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    Wyświetlanie 1-27 z 27
    Tytuł:
    Orderings and preorderings in rings with involution
    Autorzy:
    Idris, Ismail
    Powiązania:
    https://bibliotekanauki.pl/articles/965823.pdf
    Data publikacji:
    2000
    Wydawca:
    Polska Akademia Nauk. Instytut Matematyczny PAN
    Opis:
    The notions of a preordering and an ordering of a ring R with involution are investigated. An algebraic condition for the existence of an ordering of R is given. Also, a condition for enlarging an ordering of R to an overring is given. As for the case of a field, any preordering of R can be extended to some ordering. Finally, we investigate the class of archimedean ordered rings with involution.
    Źródło:
    Colloquium Mathematicum; 2000, 83, 1; 15-20
    0010-1354
    Pojawia się w:
    Colloquium Mathematicum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Industrial Revolution 4.0: An Overview of Readiness and Potential Economic Effects in Malaysia from Millennial’s Perspective
    Autorzy:
    Idris, Rafiq
    Powiązania:
    https://bibliotekanauki.pl/articles/1076012.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Industrial Revolution 4.0
    millennials
    potential effects
    public university
    readiness
    Opis:
    Industrial Revolution 4.0 (IR 4.0) and Internet of Things (IOT) have become subjects of much interest in recent years and are expected to gain momentum locally and internationally when they become part of the core initiative of various governments. With the advent of the 4th global industrial revolution, the government recognized the importance of integrating the IR 4.0 initiative into the national agenda as a mean to keep pace with the latest advancements. In this regard, is the Malaysian workforce ready for the change? How is this being perceive by the millennials? Are millennials familiar with internet of things, FINTECH, additive manufacturing, big data or smart manufacturing? This study attempts to investigate whether or not millennials studying at local public university are clear about IR 4.0. In addition, the study attempts to seek millennials on various issues pertaining IR4.0. A survey involving 400 students of public university in Malaysia are being undertaken. The finding of the study indicates that 90% of the respondents have heard about IR4.0. In addition, 70% expressed that they have some understanding on what is happening and expected to happen in the Fourth Industrial Revolution (IR 4.0) in general. There are also concern with regard to the potential impact of IR4.0 on unemployment and the economy.
    Źródło:
    World Scientific News; 2019, 118; 273-280
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Vowel Harmony in Úwù
    Autorzy:
    Idris, Olawale Allison
    Powiązania:
    https://bibliotekanauki.pl/articles/1177795.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Autosegmental phonology
    Partial harmony
    Tongue root harmony
    Úwù
    Vowel harmony
    Opis:
    Úwù is one of the many endangered languages in Nigeria {(Abiodun (2004, 2007); Choon (2012)}. The language is spoken by an estimated population of about 3000 people in a small community known as Àyèré in Ìjùmú Local Government Area (LGA) of Kogi State, Crozier and Blench (1992). There is an ongoing controversy over the status of the language as to whether it is a dialect of Yorùbá or a distinct language. This is due to the lexical and structural similarities between the two linguistic codes. This paper describes the vowel harmony system of Úwù with a view to showing its level of relatedness to Yoruba, and by implication documents this aspect of the language for posterity. Harmonic constraint in Úwù is based on tongue root positions where ATR mid-vowels do not interact with RTR mid-vowels in a phonological word. Harmonic principle in Úwù is most reflected in words of VCV and CVCV structures. The analysis of selected data is premised on the Autosegmental Theory of Phonology {see (Hulst and Smith 1985); (Goldsmith 1990)}. The study reveals that Úwù operates a seven vowel system that manifests a partial harmony system, comprising of seven oral and five nasal vowels. Apart from this, the language operates a root-controlled assimilation process, and the direction of harmonic spread in Úwù is leftward, since affixes in Úwù are mainly prefixes. Although, there are few instances that suggest that neutral vowels are both opaque and transparent in Úwù, the paper concludes that neutral vowels are actually opaque in the language.
    Źródło:
    World Scientific News; 2018, 99; 15-33
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Primary Response and Concern of Sabah’s Geopark Potential Economic Effects: Preliminary Study
    Autorzy:
    Idris, Rafiq
    Mansur, Kasim
    Powiązania:
    https://bibliotekanauki.pl/articles/1031597.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Concern
    Economic Effects
    Geopark
    Kinabalu
    Malaysia
    Response
    Sabah
    Opis:
    Sabah, Malaysia is moving steps forward by announcing the gazettement of some areas as geoparks. Part of the areas include the district of Ranau, Kota Marudu and Kota Belud. Some of the areas involved if not all are under a national park program prior to this. This gazettement undoubtedly has the potential to bring economic benefit to the state. It has the potential to increase land value, stimulating economic activities especially in the services sector via tourism activities, enhancing protection for environment and as a mean to control aggressive use of land for development. On the other hand, there are some concerns of stakeholders. Issues such as potential restriction for farmers to do agriculture related activities and relocation of village among others are potential concern among communities in Ranau, Kota Marudu and Kota Belud. In this regard, in order to examine the real concerns of various stakeholders, some series of roundtable discussions and interviews have been undertaken. Based on the preliminary assessment, very small number of individuals have worry about the geopark idea. Majority look at it positively.
    Źródło:
    World Scientific News; 2020, 146; 36-46
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study of water management on rainfed land in downstream Renggung watershed
    Autorzy:
    Fahrudin, -
    Idris, M. H.
    Mahrup, -
    Powiązania:
    https://bibliotekanauki.pl/articles/1203883.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy
    Tematy:
    rainfed
    Renggung watershed
    water management
    Opis:
    The downstream area of Renggung Watershed is a water conservation zone which is also dominated by rainfed land with dominant vertisol soil-clay fraction. Watershed downstream reaches 40% and is 30% of total area of Renggung Watershed. Rainfed farming is a factor in dry land farming, but the presence of rainfed land in downstream Renggung watershed does not receive intensification treatment as water becomes a limiting factor for plant growth. About 87-90% rainfall events in downstream Renggung watershed happen during the rainy season, from November to April, with 3-4 wet months, while about 10-13% happen during the dry season, from May to October. This means that water is abundant in wet months, but there is a shortage of water during the dry period. Based on zone group, 72% of potential water from rainfall occurs in the downstream zone, 18.3% occurs in the middle zone, and 10.4% in the upstream zone. Three quarters of potential water from rainfall occurs in downstream. Water management on rainfed land in downstream Renggung watershed is still not optimum, which is caused by (a) dependence on supply of water downstream from HLD BR, but discharge has declines in the last six months; (b) poor water management at the farming level, because plants are not cultivated in the right season; and (c) poor management institutions and water user groups, so forums to facilitate and mediate issues in terms of management and use of irrigation water is not optimal.
    Źródło:
    Meteorology Hydrology and Water Management. Research and Operational Applications; 2017, 5, 1; 29-35
    2299-3835
    2353-5652
    Pojawia się w:
    Meteorology Hydrology and Water Management. Research and Operational Applications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study of conceptual knowledge and mode of reasoning relating to the characteristics of covalent bonds in future algerian physics teachers
    Autorzy:
    Hazzi, Salah
    Djouahra, Idris
    Dumon, Alain
    Powiązania:
    https://bibliotekanauki.pl/articles/2175228.pdf
    Data publikacji:
    2022
    Wydawca:
    Towarzystwo Chemii i Inżynierii Ekologicznej
    Tematy:
    covalent bond
    orbital overlap
    bond stability
    bond length
    localised system
    conjugated system
    wiązania kowalencyjne
    stabilność wiązania
    długość wiązania
    układ miejscowy
    układy sprzężone
    Opis:
    In this study we tried to analyse how future teachers of Ecole Normale Supérieure (ENS) school who are at the end of education have integrated the specifications of covalent bonds in the different bond orders in terms of symmetry, stability, length, localisation (in the case of structures of ethane, ethylene and acetylene) or delocalisation of electrons (case of benzene). The analysis of responses to a written questionnaire shows that the majority of students have only integrated some knowledge, which may be termed as procedural, on the structural elements of molecules such as stability and the length of bonds. Although possessing some conceptual knowledge, students tend to use an alternative way of reasoning arising from the mental representation that single and multiple bonds are independent entities: the single bond is a ”σ bond” while the double bond is considered only as a ”π bond”.
    Źródło:
    Chemistry-Didactics-Ecology-Metrology; 2022, 27, 1-2; 105--121
    2084-4506
    Pojawia się w:
    Chemistry-Didactics-Ecology-Metrology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Performance assessment of industrial system (African Textile Manufacturers, LTD) through copula linguistic approach
    Autorzy:
    Abubakar, Muhammad Idris
    Singh, Vijay Vir
    Powiązania:
    https://bibliotekanauki.pl/articles/406421.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    availability
    reliability
    MTTF
    cost analysis
    supplementary variable
    Opis:
    This paper deals with the performance assessment of a textile industry, namely African Textile Manufactures (ATM) Ltd., in Chalawa, Kano industrial estate, Federal Republic of Nigeria. The entire system ATM has different sections of machines for processing various assignments. The machines in the sections have diverse capabilities. We assumed the following subsystems: spinning, weaving, pretreatment, printing, and steaming. The failure rates of subsystems are constant, and they follow exponential distribution, while the repairs follow two types of distributions, namely general distribution and Gumbel–Hougaard family copula distribution. The system analyzed by employing supplementary variable and the Laplace transform. Various measures of reliability have been computed for differential values of failures and two types of repair. The conclusions and some recommendations are addressed to improving the management of ATM.
    Źródło:
    Operations Research and Decisions; 2019, 29, 4; 5-22
    2081-8858
    2391-6060
    Pojawia się w:
    Operations Research and Decisions
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Does dyned affect students’ attitudes and language skills in EFL? A case study
    Autorzy:
    Shaikh, Güler
    Koçak, Ömer
    Göksu, İdris
    Powiązania:
    https://bibliotekanauki.pl/articles/2097401.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej w Lublinie. IATEFL Poland Computer Special Interest Group
    Tematy:
    CALL
    DynEd
    EFL
    computer-assisted instruction
    language skills
    Opis:
    Computer-assisted language learning (CALL) is one of the developing approaches that can assist to improve the language skills (reading, writing, listening) of students in English as a foreign language (EFL). CALL has been used to teach EFL learners through language drills or skills practice to stimulate discussion and interaction, or as a tool to improve writing and research. This study aims to point out the effects of DynEd on attitudes and language skills in EFL of middle school students in Turkey. The study contributes to the area of EFL learning and fosters students’ perceptions of EFL. The sample of this study, which utilized an ex-post facto design, recruited 136 middle school students as participants. According to the results, it can be said that, in addition to the conventional teaching environment, the use of DynEd significantly improved both the language skills and attitudes of the students in EFL. However, DynEd did not make any difference in students’ attitudes towards EFL according to grade level and gender. Moreover, students using DynEd have expressed positive views about DynEd.
    Źródło:
    Teaching English with Technology; 2021, 21, 1; 75-93
    1642-1027
    Pojawia się w:
    Teaching English with Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    E-commerce opportunities in the 4.0 era innovative entrepreneurship management development
    Szanse e-handlowe w erze 4.0 innowacyjny rozwój zarządzania przedsiębiorczością
    Autorzy:
    Kurniawati, Elya
    Al Siddiq, Imamul Huda
    Idris, -
    Powiązania:
    https://bibliotekanauki.pl/articles/953188.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Częstochowska
    Tematy:
    e-commerce
    entrepreneurship
    era 4.0
    innovative management
    MSMEs
    e-handel
    przedsiębiorczość
    innowacyjne zarządzanie
    MŚP
    Opis:
    E-commerce is an innovation employed by East Java Micro, Small, and Medium Enterprises. It is used to seize opportunities in developing innovative entrepreneurial management. Innovation is crucial for business entities' survival in the 4.0 era, including MSMEs. Exploiting opportunities and innovations is the key to creating new products that ensure MSMEs survival. This research was aimed to determine the perceptions about e-commerce opportunities in influencing consumer satisfaction and trust, in providing the best customer service, in satisfying customer expectations, and threats to MSMEs. This research is quantitative descriptive research. This study applied quantitative descriptive approach with survey method. The data obtained from questionnaires and interviews were analyzed using Pearson Correlation Product Moment analysis. The research results exhibited the following e-commerce opportunities to influences satisfaction and trust in performing transactions, provides the best service, satisfying customer expectations, and not being a threat to MSMEs.
    Handel elektroniczny jest innowacją stosowaną przez mikro, małe i średnie przedsiębiorstwa East Java. Służy do wykorzystywania możliwości rozwoju innowacyjnego zarządzania przedsiębiorczością. Innowacja ma kluczowe znaczenie dla przetrwania podmiotów gospodarczych w erze 4.0, w tym MŚP. Wykorzystanie możliwości i innowacji jest kluczem do tworzenia nowych produktów zapewniających przetrwanie MŚP. Badanie to miało na celu określenie postrzegania możliwości handlu elektronicznego w zakresie wpływania na zadowolenie i zaufanie konsumentów, zapewnianie najlepszej obsługi klienta, spełnianie oczekiwań klientów i zagrożeń dla MŚP. Te badania są ilościowymi badaniami opisowymi. W badaniu zastosowano ilościowe podejście opisowe z metodą ankietową. Dane uzyskane z kwestionariuszy i wywiadów przeanalizowano za pomocą analizy korelacji Pearsona. Wyniki badań pokazały następujące możliwości handlu elektronicznego, które mają wpływ na zadowolenie i zaufanie w przeprowadzaniu transakcji, zapewniają najlepszą obsługę, spełniają oczekiwania klientów i nie stanowią zagrożenia dla MŚP.
    Źródło:
    Polish Journal of Management Studies; 2020, 21, 1; 199-210
    2081-7452
    Pojawia się w:
    Polish Journal of Management Studies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Systematic Review on Ecosystem Services (ES) of Ecotourism in South-East Asia (ASEAN)
    Przegląd usług pełnionych przez ekosystemy (ES) w kontekście ekoturystyki w Azji Południowo-Wschodniej (ASEAN)
    Autorzy:
    Abas, Azlan
    Aiyub, Kadaruddin
    Idris, Nor Azizan
    Powiązania:
    https://bibliotekanauki.pl/articles/1841000.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Komitet Człowiek i Środowisko PAN
    Tematy:
    ecosystem services
    ecotourism
    ASEAN
    Sustainable Development Goals
    environmental management
    usługi pełnione przez ekosystemy
    ekoturystyka
    Cele zrównoważonego rozwoju
    zarządzanie środowiskiem
    Opis:
    Ecotourism ecosystem services can rarely been identified specifically in detail. Hence, little is known about interactions and relationship between ecotourism and its services. We have chosen South-East Asia (ASEAN) as our case studies because of its multi-diverse ecotourism ecosystem. We conducted a systematic review of studies that aim to understand the relationship and interaction between the ecotourism ecosystem and its services to summarize research from this emerging topic and to identify the patterns for ecotourism ecosystem services in ASEAN from different case studies. The results show that 7 out 10 ASEAN countries have studied on ecotourism ecosystem services. Most studies indicated the importance of the services provided by the ecotourism sector as cultural (aesthetic, scientific research and recreational) and supporting (habitat conservation). Our review also found some limitations of this study: first, no data gathered from 3 countries (Brunei Darussalam, Vietnam and Myanmar) and second, the study only focused on monetary methods (WTP etc.) and third, calls for more studies and comparative studies to identify services provided by ecotourism sector in ASEAN. Finally, we discuss how our review fits into the Pakse Declaration 2016 and policy development to address climate change.
    Trudno szczegółowo określić usługi pełnione przez ekosystemy ekoturystyczne. Niewiele więc wiadomo na temat interakcji i związków między ekoturystyką a jej usługami. W naszych badaniach wybraliśmy kraje Azji Południowo-Wschodniej (ASEAN), ze względu na ich różnorodny ekosystem ekoturystyczny. Przeprowadziliśmy systematyczny przegląd, który miał na celu zrozumienie relacji i interakcji między ekosystemem ekoturystycznym i ich usługami, aby zidentyfikować wzorce usług ekosystemów ekoturystycznych w ASEAN na podstawie różnych studiów przypadku. Wyniki pokazują, że 7 na 10 krajów ASEAN przeprowadziło badania dotyczące ekoturystycznych usług ekosystemowych. Większość badań wskazywała na znaczenie usług świadczonych przez sektor ekoturystyki jako kulturowych (estetycznych, naukowo-badawczych i rekreacyjnych) oraz wspierających (ochrona siedlisk). W naszym przeglądzie występują także pewne ograniczenia. Po pierwsze, brak danych z 3 krajów (Brunei Darussalam, Wietnam i Mjanma). Po drugie, badanie dotyczyło tylko metod pieniężnych (WTP itp.). Po trzecie, przeprowadzone badania sugerują konieczność prowadzenia dalszych prac porównawcze w celu określenia usług świadczonych przez sektor ekoturystyki w ASEAN. Na koniec omawiamy, w jaki sposób nasz przegląd wpisuje się w Deklarację Pakse z 2016 r. i rozwój polityki dotyczącej zmian klimatycznych.
    Źródło:
    Problemy Ekorozwoju; 2021, 16, 1; 113-122
    1895-6912
    Pojawia się w:
    Problemy Ekorozwoju
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The performance and emissions characteristics of a compressed natural gas spark ignition engine
    Autorzy:
    Abu Bakar, R.
    Semin, Semin
    Idris, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/950140.pdf
    Data publikacji:
    2008
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    compressed natural gas engine
    emission
    performance
    spark ignition
    Opis:
    This paper presents the experimental results of a spark ignition engine to evaluate its performance and emissions characteristics while using conventional fuel and alternative fuel; compressed natural gas (CNG). To evaluate the performance, the engine is operated between 1500-4000 rpm, under steady state condition with wide open throttle (WOT). The emissions test was performed with various constant loads at each speed. The first experiment is did by using conventional fuel and followed by CNG. The engine performance and emissions results such as brake power, brake specific fuel consumption (BSFC), CO, HC and NOx from CNG were measured and compared to conventional fuel. The experiment has performed at Automotive Laboratory Faculty of Mechanical Engineering, University Malaysia Pahang by using in-housed developed engine test rig. From the experiment being done it is demonstrated that the potential of reducing emissions while applying CNG as fuel is obvious. However, the further study of required improving the performance of the engine. The results and analysis will be useful for the development of dedicated CNG engine in the future. The application of CNG as fuel for spark ignition engine gives the average reduction power of 25% at WOT, 45% at POT and gives the average brake power reduction of 37% at WOT and 56% at POT base from spark ignition engine. Average BSFC of CNG are near about 33% higher than gasoline for WOT and 39% higher than gasoline for POT. The average CO emission reduction is reduction is 66% at WOT and 64% at POT. The average reduction of CO2 emission at WOT while using CNG is 6% and at POT only 1%. The average reduction of HC emission at WOT is 76% and at POT is 74%. The average reduction of NOx emission at WOT is 15% and at POT is 18%. The disadvantages of CNG as fuel in spark ignition engine has reduced power 37-56%, but the advantages for environment protection CNG as fuel has reduced the exhaust gas emissions.
    Źródło:
    Journal of KONES; 2008, 15, 2; 9-14
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The role of family support in self-control of individuals with hypertension in Sindangasih village, Cianjur regency
    Rola wsparcia rodziny w samokontroli osób z nadciśnieniem tętniczym we wsi Sindangasih, regencja Cianjur
    Autorzy:
    Arini Ayu, Shinta
    Sari Rahayu, Eka
    Eshadrianti Idris, Fajriah
    Powiązania:
    https://bibliotekanauki.pl/articles/18864615.pdf
    Data publikacji:
    2023-06-29
    Wydawca:
    Państwowa Akademia Nauk Stosowanych we Włocławku
    Tematy:
    wsparcie rodziny
    samokontrola
    nadciśnienie
    family support
    self-control
    hypertension
    Opis:
    Introduction. One of the social support systems is obtained from the family, family members play a very important role in influencing or changing their own lifestyle towards efforts to improve health including self-care for people with hypertension. Aim. This study identified the role of family support on self-control individuals with hypertension in Sindangasih Village, Kab. Cianjur. Research Methods. The design of this study is correlation analytic with the cross-sectional. Sampling using purposive sampling with a total sample of 106 people. Data Primary obtained from questionnaires and observation results. The research was conducted in the village Sindangasih with a timeframe of November 2022 - May 2023. Results. The results of the statistical test using quantitative correlation research with a significance level (a) s0.05, indicating that there is a correlation between the role of family emotional support and the self-care behavior of people with hypertension (p=0.000), there is a correlation between the role of family esteem support and the self-care behavior of people with hypertension (p=0.001), there is a correlation between the role of family information support and the self-care behavior of people with hypertension (p=0.001), there is a correlation between the role of family instrumental support and the self-care behavior of people with hypertension (p=0.000), there is a correlation between the role of family support and self-care behavior of hypertension sufferers (p=0.000) in Sindangasih Village, Kab. Cianjur. Conclusion. Family support can be a strategy that can be used to manage hypertension and other diseases because it is included in both and positive impact on patient self-care habits.
    Wstęp. Jeden z systemów wsparcia społecznego uzyskuje się od rodziny, członkowie rodziny odgrywają bardzo ważną rolę we wpływaniu lub zmianie własnego stylu życia w kierunku dążenia do poprawy zdrowia, w tym samoopieki osób z nadciśnieniem tętniczym. Cel. W badaniu tym zidentyfikowano rolę wsparcia rodziny dla samokontrolujących się osób z nadciśnieniem tętniczym w wiosce Sindangasih, Kab. Ciandżur. Metody badawcze. Projekt tego badania opiera się na analizie korelacji z przekrojem. Dobór próby metodą celowego doboru próby na łącznej próbie 106 osób. Dane Pierwotne uzyskane z kwestionariuszy i wyników obserwacji. Badania przeprowadzono w wiosce Sindangasih w okresie listopad 2022 – maj 2023. Wyniki. Wyniki testu statystycznego z wykorzystaniem ilościowych badań korelacyjnych o poziomie istotności (a) s0,05, wskazujące na istnienie związku pomiędzy rolą wsparcia emocjonalnego rodziny a zachowaniami samoopiekuńczymi osób z nadciśnieniem tętniczym (p=0,000), istnieje korelacja między rolą wsparcia poczucia własnej wartości rodziny a zachowaniami samoopiekuńczymi osób z nadciśnieniem tętniczym (p=0,001), istnieje korelacja między rolą wsparcia informacyjnego rodziny a zachowaniami samoopiekuńczymi osób z nadciśnieniem tętniczym (p =0,001), istnieje korelacja między rolą wsparcia instrumentalnego rodziny a zachowaniami samoopiekuńczymi osób z nadciśnieniem tętniczym (p=0,000), istnieje korelacja między rolą wsparcia rodziny a zachowaniami samoopiekuńczymi osób z nadciśnieniem tętniczym (p=0,000) w wiosce Sindangasih, Kab. Ciandżur. Wnioski. Wsparcie rodziny może być strategią, którą można zastosować w leczeniu nadciśnienia tętniczego i innych chorób, ponieważ jest ono uwzględnione w obu przypadkach i ma pozytywny wpływ na nawyki samoopieki pacjenta.
    Źródło:
    Innowacje w Pielęgniarstwie i Naukach o Zdrowiu; 2023, 8, 2; 7-36
    2451-1846
    Pojawia się w:
    Innowacje w Pielęgniarstwie i Naukach o Zdrowiu
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genitive Construction in Àhàn and Àyèré
    Autorzy:
    Abiọdun, Michael A.
    Adeoye, Jelili A.
    Allison, Idris O.
    Powiązania:
    https://bibliotekanauki.pl/articles/1177832.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Ahan
    Ayere
    Benue - Congo languages
    endangered languages
    Opis:
    Àhàn and Àyèré are two endangered languages spoken respectively in Nigeria. This paper describes the process of genitive construction in the two languages showing how close they are to some Benue – Congo languages in the derivation of genitive. Findings show that genitive marker in both Àhàn and Àyèré is / ólí / as found in some Benue-Congo languages such as Yorùbá, Igede, Èbìrà and Ukaan. The paper further reports that Àyèré has another marker /óní/ that appears to perform the function of deriving genitive ,however the marker, along with the nominal prefix /a/, derive a form that has the semantic coding of “a person who does a particular thing”.
    Źródło:
    World Scientific News; 2018, 99; 235-243
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reclamation from palm oil mill effluent using an integrated zero discharge membrane-based process
    Autorzy:
    Ahmad, A. L.
    Idris, I.
    Chan, C. Y.
    Ismail, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/778766.pdf
    Data publikacji:
    2015
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    palm oil mill effluent (POME)
    membrane
    wastewater
    water recycling
    carotenes
    Opis:
    This research emphasizes eloquently on membrane technology for treatment of palm oil mill effluent (POME) as it is the Malaysia’s largest and most important agro based industry. Findings established significant quality improvement with an efficient recovery of water from palm oil mill via innovative membrane application. Conventional bio-methods, whilst adhering to the Department of Environment’s (DOE) discharge regulations, produces brownish liquid which pales in comparison to the crystal clear water obtained through membrane treatment. The pre-treatment process consists of coagulation-flocculation using green environmental coagulant bases such as Moringa oleifera (MO) seeds. The ultrafiltration polyvinylidene difluoride (PVDF) and thin film composite (TFC) reverse osmosis were vital for the membrane processes. The system gave 99% suspended solids reduction in suspended solid and 78% of water present was successfully recovered. This technology guarantees water recovery with drinking water quality; meeting the US Environmental Protection Agency (USEPA) standard or could be recycled into the plant with sludge utilization for palm oil estates, thus enabling the concept of zero discharge to be executed in the industries. In addition, green and healthy antioxidants such as oil and beta-carotene can be recovered from POME further demonstrate. Silica gel showed better performance in separation of carotenes from oil at temperature 40°C using adsorption chromatography with 1154.55 ppm. The attractiveness of this technology, enabling the utilization of reuse of agricultural waste into potentially value added products.
    Źródło:
    Polish Journal of Chemical Technology; 2015, 17, 4; 49-55
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mathematical modeling and analysis of mycobacterium tuberculosis transmission in humans with hospitalization and reinfection
    Autorzy:
    Mustapha, Umar T.
    Idris, Buhari
    Musa, Salihu S.
    Yusuf, Abdullahi
    Powiązania:
    https://bibliotekanauki.pl/articles/2175508.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
    Tematy:
    Mycobacterium tuberculosis
    mathematical modeling
    reproduction number
    stability analysis
    sensitivity analysis
    prątek gruźlicy
    modelowanie matematyczne
    współczynnik reprodukcji
    analiza stabilności
    analiza wrażliwości
    Opis:
    Tuberculosis (TB), a serious public health infection that mainly affects the lungs, is caused by bacteria (Mycobacterium tuberculosis, TB). This research is designed and analyzed using a compartmental modelling approach to study the transmission dynamics of TB with different stages of infection. Qualitative analysis of the proposed model reveals that the model exhibits two equilibrium points: the disease-free equilibrium point (DFE) and the endemic equilibrium (EE). The basic reproduction number (R0 ) is determined using the next generation matrix technique, and stability analysis is carried out to show whether the disease can persist or die out in population. Further analysis of the model shows that the EE is globally asymptotically stable (GAS) when R0 > 1. With the aid of the forward sensitivity index method, we determine the most sensitive parameters of the model to control the spread of TB infection effectively. Our analysis shows that treatment (medication) and campaign awareness coupled with other key control measures, could help maintain the spread of MTB infection in human geographical boundaries.
    Źródło:
    Journal of Applied Mathematics and Computational Mechanics; 2022, 21, 1; 55--66
    2299-9965
    Pojawia się w:
    Journal of Applied Mathematics and Computational Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A closer look at the Consumer Conformity in Industry 4.0 : Purchase Intention redefined
    Bliższe spojrzenie na zgodność konsumentów w Przemyśle 4.0 : nowa definicja zamierzenia zakupu
    Autorzy:
    Princes, Elfindah
    Manurung, Adler Haymans
    So, Idris Gautama
    Abdinagoro, Sri Bramantoro
    Powiązania:
    https://bibliotekanauki.pl/articles/1830649.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Częstochowska
    Tematy:
    consumer conformity
    image related concerns
    purchase intention
    social ties
    social comparison
    strategic complements
    zgodność konsumencka
    obawy związane z obrazem
    zamiar zakupu
    więzi społeczne
    porównanie społeczne
    strategiczne uzupełnienia
    Opis:
    The speed of digitalization in Industry 4.0 has caused disruptions in all sectors. The digital world has driven consumer’s behavior into a conformance known as consumer conformity. Very limited research on conformity process affecting Purchase Intention have caused overlapping and inconsistent results. The researcher argues that the previous studies on the factors influencing Purchase Intention, such as brand quality, service quality, advertisements, etc. are not relevant again in the era of Industry 4.0, and it is urgent that the business leaders address this issue to increase Purchase Intention. This research uses a quantitative analysis on 470 consumers of fashion industry located in Indonesia. The result strengthens the researcher’s argument that unlike previous studies, Purchase Intention is strongly affected by social influences that are mediated by the Consumer Conformity. The Social Ties, Strategic Complements, Social Comparison and Image Related Concerns cannot directly influence Purchase Intention without the mediation of Consumer Conformity. Furthermore, due to digitalization, the Image Related Concerns with the most exposure to the online social world have the strongest effect on Consumer Conformity. Hence, strategies on marketing strategies should be centered on delivering messages to drive Image Related Concerns and have impacts on Purchase Intention using the big data available through the Internet of Things.
    Szybkość cyfryzacji w Przemyśle 4.0 spowodowała zakłócenia we wszystkich sektorach. Świat cyfrowy doprowadził zachowania konsumentów do zgodności znanej jako konformizm konsumencki. Bardzo ograniczone badania dotyczące procesu zgodności wpływającego na zamiar zakupu spowodowały nakładanie się i niespójne wyniki. Badacz przekonuje, że wcześniejsze badania dotyczące czynników wpływających na zamiar zakupu, takich jak jakość marki, jakość usług, reklamy itp. Nie są ponownie istotne w erze Przemysłu 4.0 i pilne jest, aby liderzy biznesowi zajęli się tym problemem, aby zwiększyć Zamiar zakupu. W badaniu wykorzystano analizę ilościową 470 konsumentów przemysłu modowego zlokalizowanych w Indonezji. Wynik wzmacnia argument badacza, że w przeciwieństwie do poprzednich badań, na zamiar zakupu silnie wpływają wpływy społeczne, które są zapośredniczane przez zgodność konsumencką. Więzi społeczne, uzupełnienia strategiczne, porównania społeczne i problemy związane z wizerunkiem nie mogą bezpośrednio wpływać na zamiar zakupu bez pośrednictwa zgodności z wymogami konsumenta. Ponadto, ze względu na digitalizację, problemy związane z obrazem, które są najbardziej narażone na społeczny świat online, mają największy wpływ na zgodność z wymogami konsumenckimi. W związku z tym strategie dotyczące strategii marketingowych powinny koncentrować się na dostarczaniu komunikatów w celu wywołania obaw związanych z obrazem i mieć wpływ na zamiar zakupu przy użyciu dużych zbiorów danych dostępnych w Internecie przedmiotów.
    Źródło:
    Polish Journal of Management Studies; 2020, 22, 1; 401-417
    2081-7452
    Pojawia się w:
    Polish Journal of Management Studies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of fish waste and duck manure on the growth and yield of pak choi
    Autorzy:
    Idris, Muhammad
    Bangun, Imam H.
    Ani, Nurma
    Hutagaol, Dermawan
    Siddik, Fajar
    Powiązania:
    https://bibliotekanauki.pl/articles/28411661.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    Brassica rapa L.
    plant parameters
    liquid organic fertiliser
    manure
    nutrient
    Opis:
    In 2021, pak choi production in Indonesia was 727.47 Mg, marking an increase of 8.2% compared to the 2020 production, which was 667.47 Mg. Therefore, there is a clear need for cultivation improvement, particularly through the implementation of organic fertilisers. This study aimed to investigate the impact of liquid organic fertiliser (LOF) derived from fish waste and duck manure on the growth and yield of the pak choi plant (Brassica rapa. L. var. Nauli F1). A randomised block design factorial was used with two factors and three replications. The first factor considered was LOF from fish waste, comprising three levels (LOF0= control, LOF1= 25 cm3∙dm-3 of water, and LOF2= 50 cm3∙dm-3 of water). The second factor focused on duck manure fertiliser (DMF) and involved four levels (DMF0= control, DMF1= 3.7 kg∙plot-1, DMF2= 5.55 kg∙plot-1, and DMF3= 7.4 kg∙plot-1). The results showed that the application of LOF from fish waste positively influenced the growth and yield of pak choi, with the most effective treatment observed in LOF1(25 cm3∙dm-3 of water). However, the application of DMF did not yield a significant difference in its effect on the growth and yield of the pak choi plant. The control treatment (DMF0) reported comparable results and the combination of LOF from fish waste and DMF did not show a significant effect, with the most favourable findings observed in the LOF2DMF0 treatment (50 cm3∙dm-3 and control).
    Źródło:
    Journal of Water and Land Development; 2023, 59; 100--107
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rheological studies of high-density fracturing fluid using high-density brine and carboxymethyl hydroxypropyl guar (CMHPG) for high-temperature well condition
    Autorzy:
    Raja Idris, R.F.W.
    Rosli, N.R.
    Mohammadian, E.
    Hasan, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/24200634.pdf
    Data publikacji:
    2023
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    fracturing fluid
    CMHPG
    rheology
    crosslinker
    NaBr
    płyn szczelinujący
    reologia
    związek sieciujący
    Opis:
    Purpose: This work investigated carboxymethyl hydroxypropyl guar (CMHPG) as a potential base polymer for a fracturing fluid used in deep tight gas wells, synonym to high-temperature reservoirs. Fracturing is a common method to improve oil production by creating fractures in potentially productive reservoirs using fracturing fluids. Fracturing fluids are typically composed of water, sand, proppant, and many different additives to alter the capabilities of the fluid. Design/methodology/approach: A stable high-density fracturing fluid (HDFF) was developed to cope with scorching good temperatures up to 350°F (177°C)as well as to reduce the surface treating pressure. The HDFF consists of NaBr heavy brine, CMHPG, clay stabilizers, and zirconium and borate crosslinkers. A linear gel fluid was prepared by combining NaBr brine with CMHPG before adding the additives. The resulting fluid was then tested using a high-pressure, high-temperature (HPHT) rheometer. Findings: The results showed that the performance of the HDFF was optimum in an alkaline environment between pH 10 to 12. The efficiency of zirconium and borate crosslinkers were optimum at 0.7 ppm and 1.5 ppt, respectively. Concentrations higher than these values are not only uneconomical but will cause the fluid to be overly crosslinked, consequently reducing efficiency. In actual field operation, this is disastrous when the fluid does not flow to the fracturing column but instead swirls around the drill string as the drill string rotates. On the other hand, a reduction of concentration below the optimum values can cause fluid instability at high temperature reservoirs. Research limitations/implications: The study was limited to using two different kinds of crosslinkers and various concentrations. Future studies can be conducted using other kinds of crosslinkers, as well as an investigation into the effects of varying temperatures, pressures, and pH on the HDFF using CMHPG. Practical implications: It can be concluded that HDFF using CMHPG as the base polymer can be a potential use in formulating fracturing fluids. Originality/value: Information on the rheological behaviour of HDFF using NaBr and CMHPG can provide a reference point for future scientists in developing a new formulation of fracturing fluid.
    Źródło:
    Archives of Materials Science and Engineering; 2023, 120, 2; 49--59
    1897-2764
    Pojawia się w:
    Archives of Materials Science and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geophysical assessment for gold mineralization potential over the southern part of Kebbi State using aeromagnetic data
    Autorzy:
    Augie, Abdulrahaman Idris
    Salako, Kazeem Adeyinka
    Rafiu, Adewuyi Abdulwaheed
    Jimoh, Mufutau Owolabi
    Powiązania:
    https://bibliotekanauki.pl/articles/2124698.pdf
    Data publikacji:
    2022
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    gold mineralization
    Yauri-Zuru schist belt
    Centre for Exploration Targeting (CET)
    first vertical derivatives (FVD)
    second vertical derivatives (SVD)
    source parameter imaging (SPI)
    tilt derivative (TDR)
    Opis:
    The magnetic signatures over the southern part of Kebbi State and its environs were analyzed together with the geological settings of the area to delineate the structures that may host gold mineralization. The aeromagnetic data used was the survey carried out by Fugro airborne surveys between 2005 and 2010 on behalf of the Federal Government of Nigeria. The reduction to equator (RTE), first and second vertical derivatives (FVD and SVD), Centre for Exploration Targeting (CET), analytic signal (AS), source parameter imaging (SPI) and tilt derivative (TDR) techniques were applied to the magnetic data covering the area. The results of the AS technique revealed that the study area is characterized with high amplitudes of magnetic anomalies (above 0.048 nT/m) and these could be of ferromagnetic minerals such as gold. The FVD, SVD, CET and TDR techniques also helped in delineating the lineaments (such as faults, fractures or shears zones) believed to be associated with alteration zones which play an important role in determining gold mineralized zones. The direction of the orientation of these features/lineaments trended in the NE-SW direction. The faults, fractures or shears zones delineated represent veins of possible mineralization. The depth of occurrence to the causative bodies using SPI algorithms was found to be below 137 m. Structures delineated within the area, when compared with the geological setting of the area, correspond to: quartz-mica schist, granite, biotite, gneiss, diorite, medium coarse-grained and biotite hornblende granite. Results from these techniques revealed alteration zones that may host gold. These regions correspond to the following areas: SE parts of Yauri and Shanga, Fakai, Ngaski, Zuru, Magama, Rijau, and the eastern part of Wasagu/Danko and Bukkuyum.
    Źródło:
    Geology, Geophysics and Environment; 2022, 48, 2; 177--193
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Seroprevalence of Toxoplasmosis among Human Immunodeficiency Virus infected pregnant women in Abuja Teaching Hospital, Nigeria
    Autorzy:
    Zakari, Maryam Muhammad
    Yabagi Isah, Aliyu
    Offiong, Richards
    Yunusa, Thairu
    Abdullahi, Idris Nasir
    Powiązania:
    https://bibliotekanauki.pl/articles/2038266.pdf
    Data publikacji:
    2020-09-30
    Wydawca:
    Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
    Tematy:
    HIV coinfections
    Nigeria
    pregnant women
    toxoplasmosis
    Opis:
    Introduction. Toxoplasmosis is a neglected parasitic infection that has economic and epidemiological significance. Data on toxoplasmosis seroprevalence among Human Immunodeficiency Virus (HIV) infected pregnant women may be of obstetric and neonatal concern. Aim. The study was designed to determine the seroprevalence of Toxoplasmosis and associated risk factors in HIV-positive pregnant women attending the University of Abuja Teaching Hospital, Abuja, Northcentral Nigeria. Material and methods. This was a hospital-based cross-sectional study. A total of 160 HIV seropositive pregnant women were recruited. Blood samples were collected and tested for anti-T. gondii IgM and IgG using Enzyme Linked Immunosorbent Assay (ELISA). Structured questionnaires were used to collate the sociodemographic variables of participants. Results. Out of the 160 of HIV seropositive pregnant women, the seroprevalence anti-T. gondii IgG and IgM were 29.4% and 4.4%, respectively. There was no significant association between anti-T. gondii and all sociodemographic variables studied (p>0.05). Conclusion. The overall result of this study revealed that the majority of pregnant women were exposed to toxoplasmosis much earlier in life. Hence, these findings will assist obstetricians and gynecologists in the early diagnosis and management of Toxoplasma gondii infection in pregnant women, especially HIV coinfected ones with IgM seropositivity.
    Źródło:
    European Journal of Clinical and Experimental Medicine; 2020, 3; 170-175
    2544-2406
    2544-1361
    Pojawia się w:
    European Journal of Clinical and Experimental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Numerical and theoretical analysis of an awareness COVID-19 epidemic model via generalized Atangana-Baleanu fractional derivative
    Autorzy:
    Baba, Isa Abdullahi
    Ahmed, Idris
    Al-Mdallal, Qasem M
    Jarad, Fahd
    Yunusa, Salisu
    Powiązania:
    https://bibliotekanauki.pl/articles/2175507.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
    Tematy:
    existence
    uniqueness
    generalized ABC fractional derivative
    fixed point theorems
    numerical simulations
    istnienie
    wyjątkowość
    uogólniona pochodna ułamkowa ABC
    twierdzenia o punktach stałych
    symulacje numeryczne
    Opis:
    In this paper, a COVID-19 Awareness model in the setting of a generalized fractional Atangana-Baleanu derivative is proposed. The existence and uniqueness of a solution of the proposed fractional-order model are investigated under the techniques of fixed point theorems. In addition, we perform the predictor-corrector method to find its numeric solutions and present the graphs of the various solutions using different values of the parameters embodied in the derivative.
    Źródło:
    Journal of Applied Mathematics and Computational Mechanics; 2022, 21, 1; 7--18
    2299-9965
    Pojawia się w:
    Journal of Applied Mathematics and Computational Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Serosurvey and Cellular Immune Status of HTLV-1/2 and HIV Co-infections in Bauchi State, Nigeria
    Autorzy:
    Babayo, Adamu
    Azeez, Akande Oyebanji
    Sabo, Yusuf Mohammed
    Abdullahi, Idris Nasir
    Dangana, Amos
    Powiązania:
    https://bibliotekanauki.pl/articles/454797.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
    Tematy:
    HTLV
    cellular Immunity
    HIV co-infections
    antiretroviral therapy
    Opis:
    Introduction. Human T-cell lymphotropic virus types 1 and 2 (HTLV-1 & 2) are frequent co-pathogens among immunosuppressed individuals, particularly HIV/AIDS infected persons. Dual infected persons usually present with false normal or high CD4+ T cells count as a result of the ability of HTLV to induce clonal proliferation of CD4+ T lymphocytes. There is paucity of information on this clinical entity in Nigeria. Aim. This study aimed to determine the seroprevalence of HTLV-1/2 and associated cellular immune response among antiretroviral naïve and experienced HIV infected persons at Bauchi State, Nigeria. Material and methods. One hundred and eighty two (182) HIV seropositive patients’ blood samples were analyzed for anti HTLV-1/2 IgM and IgG antibodies using ELISA while CD4+ T cells were counted using Flow cytometry technique. Socio-demographic data of the subjects and clinical history were obtained via questionnaire and medical records, respectively. Results. The seroprevalence of anti-HTLV-1/2 was 14%. This comprised 76 (41.8%) males and 106 (58.2%) females. Six (3%) were seropositive for both ant-HTLV -1&2 IgM and IgG. Of the total positive for anti-HTLV-1/2, 20 (25%) ART-naïve and 6(5.9%) ART-experience subjects. Whole blood CD4+ T cell count was significantly high in HTLV-1/-2 IgG/IgM seropositive subjects compared to their HTLV-1/-2 negative counterpart. Conclusion. All subjects (100%) who were HTLV-1/-2/HIV co-infected had normal to higher CD4+ T cell counts. It is suggested to be very careful in using only CD4+ counts to monitor HIV progression or as indicators for ART.
    Źródło:
    European Journal of Clinical and Experimental Medicine; 2019, 4; 28-294
    2544-2406
    2544-1361
    Pojawia się w:
    European Journal of Clinical and Experimental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Longitudinal movement modeling and simulation for hybrid underwater glider
    Autorzy:
    Latifah, Ayu
    Ramelan, Agus
    Lubis, Dini Hariani Fitri
    Trilaksono, Bambang Riyanto
    Hidayat, Egi Muhammad Idris
    Powiązania:
    https://bibliotekanauki.pl/articles/2174482.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    hybrid underwater glider
    longitudinal motion
    nonlinear model
    MATLAB/Simulink
    computational fluid dynamics
    hybrydowy szybowiec podwodny
    ruch wzdłużny
    model nieliniowy
    numeryczna mechanika płynów
    Opis:
    An autonomous underwater vehicle is a vehicle that can move in water, which is also known as an unmanned undersea vehicle. One type is the hybrid underwater glider where the vehicle is designed in such a way that it is able to carry out missions in the water with less power consumption so that it can last a long time in carrying out missions. In this research, a mathematical design is carried out in the form of a nonlinear model with the aim of being able to produce a model in the longitudinal movement of the HUG vehicle which will be tested limited to a simulation using the MATLAB/Simulink program. The parameters used in the model for this longitudinal movement are obtained by the computational fluid dynamics method so that it has been simulated with various movements according to the mission of the vehicle. In the simulation, input is given in the form of variations in the value of the actuator force to be able to carry out movements according to the mission and the simulation is open loop so that the vehicle's response is in the form of position and speed of translation and rotation.
    Źródło:
    Diagnostyka; 2023, 24, 1; art. no. 2023106
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genetic variability and host specialization in Alternaria alternata colonizing Solanaceous crops in Sudan
    Autorzy:
    Abbo, A.S.
    Idris, M.O.
    Elballa, M.A.
    Hammad, A.M.
    El Sidding, M.A.R.
    Karlovsky, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/66044.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    plant disease
    early blight
    genetic variability
    host
    Alternaria alternata
    diversity
    Solanaceae
    crop
    amplified fragment length polymorphism
    Sudan
    Opis:
    Early blight disease caused by Alternaria sp. is one of the most devastating diseases of Solanaceous crops widely distributed in Sudan. The aim of this study was to determine the genetic variation among different Alternaria isolates recovered from different Solanaceae crops showing typical symptoms of early blight disease. Infected leaves of tomato, potato, eggplant and pepper were collected from different geographical zones in Sudan. The recovered fungal isolates were identified to the genus level based on cultural and morphological characteristics. Five representative isolates were sent to the CABI Bioscience, U.K. for confirmation. The genetic relationship among the isolates was determined using the amplified fragments length polymorphism (AFLP) technique and the generated data were used to create similarity matrices using the PAST 3.01 software package. Dendrograms were constructed based on Jaccard’s similarity coefficients. A total of 70 fungal isolates was recovered from the tested plants and all of them showed morphological characteristics typical of Alternaria spp. The conidia appeared in multiple-branched chains with spore sizes in the range of 2.38−13.09 μm × 12.30−43.63 μm. Therefore, the isolates were identified as Alternaria alternata (Fr.) Keissl. The identification was then confirmed by CABI.AFLPbased dendrogram which revealed five clusters with a significant cophenetic correlation coefficient (r = 0.834) between the dendrogram and the original similarity matrix irrespective of their geographical origins. Eighteen (75%) of the Alternaria isolated from tomato leaves were clustered together in cluster I and five isolates formed two separate clusters, viz. cluster IV (T-Kh5 and T-H1) and cluster V (T-H4 and T-Med2). The remaining isolate, T-Am5, grouped with one of the potato isolates in cluster III. The other isolates which were recovered from potato, pepper and eggplants were all separated from the tomato isolates in the largest cluster.
    Źródło:
    Journal of Plant Protection Research; 2018, 58, 3
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of neutrophil phagocytic, complement functions, and cytokines expression among diabetic patients in Abuja, Nigeria
    Autorzy:
    Babandina, Musa Muhammad
    Mainasara, Abdullahi Suleiman
    Bakare, Mustapha
    Emeribe, Anthony Uchenna
    Shuwa, Halima Ali
    Haruna, Shamsuddeen
    Muhammad, Aminu Said
    Abdullahi, Idris Nasir
    Powiązania:
    https://bibliotekanauki.pl/articles/454973.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
    Tematy:
    diabetes mellitus
    effector molecules
    pro-inflammatory markers
    Opis:
    Introduction. Inflammatory response in Diabetes Mellitus (DM) begins with chronic sub-clinical inflammations as a result of insulin resistance and activation of both innate and adaptive immune system as the disease progresses to complicated diabetes. Hence, the present study investigated the neutrophil phagocytic, complement function (CH50), and some cytokine profiles among diabetic and non-diabetic patients attending the National Hospital in Abuja, Nigeria. Aim. To evaluate the neutrophil phagocytic, complement function (CH50), and some cytokine profiles among post-operative septic diabetic and post-operative septic non-diabetic patients at the National Hospital in Abuja, Nigeria. Material and methods. Subjects were recruited by convenient sampling technique through interviewer-administered questionnaires. Subsequently, blood samples were collected. Fasting blood sugar (FBS) (mmol/L) was determined using glucose oxidase method. Neutrophil function test (Fmol/phag) was assayed using nitroblue tetrazolium reduction test (NBT). Hemolytic complement function (CH 50) test was conducted using serum harvested from sheep sensitized with human group (ORh D +ve) red blood cells. While serum Interleukin-4, -6, -10 and TNF- α were determined using Enzyme Linked Immunosorbent Assay (ELISA). Results. Mean ± Standard deviation (SD) of FBS concentration of 10.5 ± 1.3 (mmol/|L) among diabetic and 4.7 ± 0.9 (mmol/L) among non-diabetics was recorded. There is a decrease in neutrophil phagocytic function with a mean ± SD of 5.4 ± 2.1 (Fmol/ phag) in diabetics compared to 9.2 ± 2.1 (Fmol/phag) in non-diabetics. Similarly, complement (CH 50) function and C-reactive protein were significantly lower in diabetics when compared to non-diabetics (p<0.001). There was a significant difference in IL-6 concentration between diabetics and non-diabetics groups, but no significant difference was observed in TNF-α, IL-4 and IL-10 concentrations between study groups (p>0.05). TNF-α and IL-6 was significantly higher in diabetics with cardiovascular disorders compared to non-diabetics subjects with cardiovascular disorders (p<0.001). Conclusion. Findings from this study revealed the association of complement, neutrophil phagocytic function, CRP and IL-6 among septic diabetic patients,. In addition TNF-α and IL-6 expression was higher in DM patients with cardiovascular disorders.
    Źródło:
    European Journal of Clinical and Experimental Medicine; 2019, 3; 229-235
    2544-2406
    2544-1361
    Pojawia się w:
    European Journal of Clinical and Experimental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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