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Wyświetlanie 1-25 z 25
Tytuł:
Assessing the relationship of lst, ndvi and evi with land cover changes in the lagos lagoon environment
Autorzy:
Alademomi, Alfred S.
Okolie, Chukwuma J.
Daramola, Olagoke E .
Agboola, Raphael O .
Salami, Tosin J.
Powiązania:
https://bibliotekanauki.pl/articles/1050894.pdf
Data publikacji:
2020-09-30
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
Coastal Environment
Remote Sensing
Land Cover
LST
NDVI
EVI
Lagos Lagoon
Opis:
The Lagos Lagoon is under increased pressure from growth in human population, growing demands for natural resources, human activities, and socioeconomic factors. The degree of these activities and the impacts are directly proportional to urban expansion and growth. In the light of this situation, the objectives of this study were: (i) to estimate through satellite imagery analysis the extent of changes in the Lagos Lagoon environment for the periods 1984, 2002, 2013 and 2019 using Landsat-derived data on land cover, Land Surface Temperature (LST), Normalised Difference Vegetation Index (NDVI) and Enhanced Vegetation Index (EVI); and (ii) to evaluate the relationship between the derived data and determine their relative influence on the lagoon environment. The derived data were subjected to descriptive statistics, and relationships were explored using Pearson’s correlation and regression analysis. The effect of land cover on LST was measured using the Contribution Index and a trend analysis was carried out. From the results, the mean LSTs for the four years were 22.68°C (1984), 24.34°C (2002), 26.46°C (2013) and 28.40°C (2019). Generally, the mean LSTs is in opposite trend with the mean NDVIs and EVIs as associated with their dominant land cover type. The strongest positive correlations were observed between NDVI and EVI while NDVI had the closest fit with LST in the regression. Built-up areas have the highest contributions to LST while vegetation had a cooling influence. The depletion in vegetative cover has compromised the biodiversity of this environment and efforts are required to reverse this trend.
Źródło:
Quaestiones Geographicae; 2020, 39, 3; 111-123
0137-477X
2081-6383
Pojawia się w:
Quaestiones Geographicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of Foreign Currency Portfolio in Indonesia
Autorzy:
Ningsih, Evi Sulfiah
Adam, Pasrun
Subiyanto, Subiyanto
Supian, Sudrajat
Powiązania:
https://bibliotekanauki.pl/articles/1165228.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Foreign Exchange
Markowitz Model
Optimal Portfolio
Return
Risk
Opis:
The study entitled Analysis of Foreign Currency Portfolio In Indonesia is a case study of a foreign exchange market portfolio taking a research site at Bank Indonesia. Markowitz was the first to introduce the concept of portfolio risk, which in general risk can be reduced by combining multiple assets into a portfolio or so-called diversification. This research was conducted to analyze the optimal portfolio of foreign exchange investment in order to make investments give maximum return and certain risk that is obtained optimally. Based on the results of the research of the four currencies used as sample analysis, the four currencies can form as optimal portfolio of CHF, CNY, GBP and JYP, while the highest rate of return using portfolio theory is in Chinese Yuan (CNY) by 71%. The expected return of the currency is dominating compared to other foreign currencies.
Źródło:
World Scientific News; 2018, 107; 72-83
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Addition of carrageenan fluor on preference level of mackerel nugget
Autorzy:
Fatimah, Shinta Siti
Pratama, Rusky Intan
Junianto, Junianto
Liviawati, Evi
Powiązania:
https://bibliotekanauki.pl/articles/1078459.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
carrageenan flour
elasticity level
mackerel nuggets
Opis:
This study aims to determine the preference level of mackerel nuggets supplemented with carrageenan. This research was conducted at the Fisheries Processing Laboratory of the Faculty of Fisheries and Marine Sciences and Central Laboratory of Padjadjaran University, in August - September 2018. The research method used was the experimental method with five treatments of carrageenan flour addition - about 0%, 0.5%, 1%, 1.5%, and 2% based on mackerel fish surimi weight. The parameters observed were the level of preference which included appearance, aroma, texture and taste of mackerel fish nuggets. The panelists used in this study were 20 semi-trained individuals. The results showed that the addition of carrageenan flour treatment by 0.5% of the surimi weight produced the most preferred mackerel fish nuggets according to panelist selection.
Źródło:
World News of Natural Sciences; 2019, 22; 180-189
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Removal of Cadmium (II) by Adsorption Using Water Hyacinth (Eichhornia crassipes) Dried Biomass
Autorzy:
Rosidah
Rahayu, Sata Yoshida Sri
Susanti, Evi
Powiązania:
https://bibliotekanauki.pl/articles/24201797.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
heavy metals
cadmium
phytoremediation
water hyacinth
biosorbent
Opis:
Using water hyacinth as a phytoremediation agent produces abundant biomass due to periodic harvesting in the system. One of the alternative uses of water hyacinth biomass can be a bio-sorbent to absorb metal contamination in the waters. This study aims to determine the quality of activated water hyacinth bio-sorbent, potentially reducing metal cadmium (Cd). The research was conducted from January to April 2022. The results showed that the parameters of water content, iodine absorption, and methylene blue in water hyacinth bio-sorbent had met the quality standard of activated carbon based on SNI No. 06-3730-1995. In contrast, the ash content still did not. In water, hyacinth stem bio-sorbents (stems + ZnCl2 and stems 300 °C + ZnCl2) obtained higher ash content (25.87 and 73.30%) than the ash content of water hyacinth root and leaf bio-sorbent with the same activation treatment. The optimum adsorption capacity (Qe) for the roots + ZnCl2 occurred at a contact time of 45 minutes which was 8.13 mg/g with an absorption efficiency (Ef) of 34.20%. For the root 300 °C + ZnCl2, the optimum adsorption capacity and absorption efficiency occurred at a contact time of 8 hours, namely 9.08 mg/g and 38.66%, respectively. The optimum adsorption capacity and absorption efficiency of the leaves + ZnCl2 occurred at a contact time of 4 hours, namely 7.63 mg/g and 32.12%, respectively. Meanwhile, at the leaves 300 °C + ZnCl2, the optimum adsorption capacity and absorption efficiency occurred at a contact time of 8 hours with a value of Qe = 11.84 mg/g and Ef = 49.35%.
Źródło:
Journal of Ecological Engineering; 2023, 24, 3; 246--253
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Idea Bożej wszechmocy a problem zła
Autorzy:
Pabjan, Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/669343.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Papieski Jana Pawła II w Krakowie
Tematy:
God’s omnipotence
problem of evil
physical evi
laws of nature
Boża wszechmoc
problem zła
zło fizyczne
prawa przyrody
Opis:
This article deals with the relation between the theological idea of God’s omnipotence and the problem of evil which refers to the question of how to reconcile the existence of evil with God who is good. One of the main arguments of theodicy, which is a philosophical discipline dealing with this question, points to some important limitations of God’s omnipotence. According to this argument, God’s power is limited by different factors. One of them is human freedom: God can not prevent evil resulting from free decisions of people, because He himself decided them to be free. But this argument can be extended to the whole created world: God gives freedom not only to man, but to the whole universe as well, and this is why it can freely evolve in the boundaries of laws of nature. Physical evil is a simple consequence of such freedom of created world. The paper is composed of three parts. At first, the very idea of God’s omnipotence is discussed. Then the relation of God’s omnipotence and the laws of nature is expounded. In the end the so called non-interventionist model of God’s action in nature is presented.
Tematyka artykułu oscyluje wokół koncepcji Bożej wszechmocy postrzeganej przez pryzmat głównego problemu teodycei, która stara się znaleźć odpowiedź na pytanie, dlaczego Bóg pozwala na zło. Jeden z argumentów wykorzystywanych w ramach tej dyscypliny odnosi się do różnego rodzaju ograniczeń Bożej wszechmocy, które decydują o tym, że z pewnych względów wszechmocny Stwórca nie może zapobiec różnym formom zła. Takim ograniczeniem jest np. wolność darowana człowiekowi – pozwalając na istnienie wolnej woli Bóg nie może powstrzymać działań człowieka prowadzących do zła. W artykule poddano analizie nieco inny aspekt tego samego ograniczenia, który ma związek z funkcjonowaniem świata przyrody: Bóg daje wolność nie tylko rozumnemu człowiekowi, ale również całej materii, która w granicach wyznaczonych przez prawa przyrody może doświadczać autentycznej autonomii. W tej interpretacji zło fizyczne jawi się jako prosta konsekwencja integralności procesów przyrodniczych. Pierwsza część artykułu dotyczy samej idei Bożej wszechmocy; w drugiej części idea ta zostaje odniesiona do koncepcji praw przyrody; w trzeciej i ostatniej omówiony jest tzw. nieinterwencjonistyczny model działania Boga w przyrodzie.
Źródło:
Tarnowskie Studia Teologiczne; 2017, 36, 2
2391-6826
0239-4472
Pojawia się w:
Tarnowskie Studia Teologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Frank Wijckmans, Maaike Visser, Sarah Jacques, Evi Noël, The EU Private Damages Directive. Practical Insights (Minutes of the Closed Workshop 2015), Intersentia, Cambridge–Antwerp–Portland 2016, ss. 110 (omówienie)
Frank Wijkmans, Maaike Visser, Sarah Jaques, Evi Noël, The EU Private Damages Directive. Practical Insights (Minutes of the Closed Workshop 2015), Intersentia, Cambridge-Antwerp-Portland 2015 (review by Agata Jurkowska-Gomułka)
Autorzy:
Jurkowska-Gomułka, Agata
Powiązania:
https://bibliotekanauki.pl/articles/508637.pdf
Data publikacji:
2016-09-30
Wydawca:
Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania
Źródło:
internetowy Kwartalnik Antymonopolowy i Regulacyjny; 2016, 5, 5; 157-158
2299-5749
Pojawia się w:
internetowy Kwartalnik Antymonopolowy i Regulacyjny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of Climate Impact on Vegetation Cover in Kherson Oblast (Ukraine) Using Normalized Difference and Enhanced Vegetation Indices
Autorzy:
Lykhovyd, Pavlo
Powiązania:
https://bibliotekanauki.pl/articles/1838338.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
MODIS NDVI
MODIS EVI
vegetation cover
local meteorology
Opis:
Remote sensing is a convenient tool for the study of vegetation cover conditions and dynamics using normalized difference and enhanced vegetation indices. Determination of the connection between weather and vegetation indices plays an important role in better understanding peculiarities of ecosystems reaction to changing climate conditions. The study devoted to the evaluation of annual and long-term dynamics under vegetation cover conditions, and its reaction to the climate factor, was performed through the establishment of the link between remote sensing information (smoothed time series data on normalized and enhanced vegetation indices) and results of on-land hydrometeorological observations for air temperature and precipitation amounts in Kherson oblast of Ukraine during the period from 2012 to 2019 by the means of linear regression analysis of the data. The values of the studied vegetation indices (Terrain MODIS NDVI and MODIS EVI 250 m smoothed time series) were calculated and generalized by the means of GDAL raster analysis toolkit in QGIS 3.10. Statistical data processing was performed using BioStat v7 software. It was found that there is a strong tendency towards the enhancement of vegetation in the region year by year. Climate has strong effect on the vegetation, and the main input belongs to air temperature, while precipitation amounts cannot be considered as a driving force of changes in the growth of vegetation. Enhanced vegetation index seems to be more reliable for the estimation of vegetation cover conditions in comparison to normalized difference vegetation index.
Źródło:
Journal of Ecological Engineering; 2021, 22, 6; 126-135
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sensory Evaluation of Bonylip Barb Fish Meat Cream Soup
Autorzy:
Karimah, Qurrata Ayuni
Junianto, Junianto
Liviawaty, Evi
Pratama, Rusky Intan
Powiązania:
https://bibliotekanauki.pl/articles/1076661.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Ostheochilus hasselti
bonylip barb meat
cream soup
preference level
Opis:
Bonylip barb is an Indonesian endemic fish that has not been widely used. One potential application is the addition of bonylip barb fish meat to cream soup products. Cream soup is a thick soup that has a cloudy color due to the addition of milk and holds the prominent aroma and taste of milk. This study aims to determine the amount of bonylip barb fish meat that can be added in to produce the most preferred cream soup. Research on bonylip barb fish cream soup creation was carried out at the Fisheries Technology Laboratory of the Faculty of Fisheries and Marine Sciences, Padjadjaran University. The study was conducted in May-June 2019. The method used was experimental with 4 treatments of bonylip barb fish addition, namely 0%, 10%, 20%, and 30% of dry weight. Organoleptic tests were carried out by 20 semi-trained panellists. The variables observed were organoleptic color, aroma, taste and texture. The results showed that 30% addition of bonylip barb fish produced the most preferred cream soup product. This had a color hedonic mean value of 6.7; aroma 6.5; taste 7.3; and texture 6.8.
Źródło:
World News of Natural Sciences; 2019, 26; 146-156
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of soil infiltration rate equation based on soil properties using multiple linear regression
Autorzy:
Harisuseno, Donny
Cahya, Evi N.
Powiązania:
https://bibliotekanauki.pl/articles/1844413.pdf
Data publikacji:
2020
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
infiltration rate
model performance
multiple linear regression
soil property
Opis:
Infiltration process plays important role in water balance concept particularly in runoff analysis, groundwater recharged, and water conservation. Hence, increasing knowledge concerning infiltration process becomes essential for water manager to gain an effective solution to water resources problems. This study employed multiple linear regression for estimating infiltration rate where the soil properties used as the predictor variable and measured infiltration rate as the response variable. Field measurement was conducted at sixteen points to obtain infiltration rate using double ring infiltrometer and soil properties namely soil porosity, silt, clay, sand content, degree of saturation, and water content. The result showed that measured infiltration rate had an average initial infiltration rate (f0) of 6.92 mm∙min–1 and final infiltration rate (fc) of 1.49 mm∙min–1. Soil porosity and sand content showed a positive correlation with infiltration rate by 0.842, 0.639, respectively, while silt, clay, water content, and degree of saturation exhibited a negative correlation by –0.631, –0.743, –0.66 and –0.49, respectively. Three types of regression equations were established based on type of soil properties used as predictor variables. The model performance analysis was conducted for each equation and the result shows that the equation with five predictor variables fMLR_3 = – 62.014 + 1.142 soil porosity – 0.205 clay, – 0.063 sand – 0.301, silt + 0.07 soil water content with R2 (0.87) and Nash–Sutcliffe (0.998) gave the best result for estimating infiltration rate. The study found that soil porosity contributes mostly to the regression equation that indicates great influence in controlling soil infiltration behavior.
Źródło:
Journal of Water and Land Development; 2020, 47; 77-88
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of Climate Impact on Vegetation Cover in Kherson Oblast (Ukraine) Using Normalized Difference and Enhanced Vegetation Indices
Autorzy:
Lykhovyd, Pavlo
Powiązania:
https://bibliotekanauki.pl/articles/1838309.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
MODIS NDVI
MODIS EVI
vegetation cover
local meteorology
Opis:
Remote sensing is a convenient tool for the study of vegetation cover conditions and dynamics using normalized difference and enhanced vegetation indices. Determination of the connection between weather and vegetation indices plays an important role in better understanding peculiarities of ecosystems reaction to changing climate conditions. The study devoted to the evaluation of annual and long-term dynamics under vegetation cover conditions, and its reaction to the climate factor, was performed through the establishment of the link between remote sensing information (smoothed time series data on normalized and enhanced vegetation indices) and results of on-land hydrometeorological observations for air temperature and precipitation amounts in Kherson oblast of Ukraine during the period from 2012 to 2019 by the means of linear regression analysis of the data. The values of the studied vegetation indices (Terrain MODIS NDVI and MODIS EVI 250 m smoothed time series) were calculated and generalized by the means of GDAL raster analysis toolkit in QGIS 3.10. Statistical data processing was performed using BioStat v7 software. It was found that there is a strong tendency towards the enhancement of vegetation in the region year by year. Climate has strong effect on the vegetation, and the main input belongs to air temperature, while precipitation amounts cannot be considered as a driving force of changes in the growth of vegetation. Enhanced vegetation index seems to be more reliable for the estimation of vegetation cover conditions in comparison to normalized difference vegetation index.
Źródło:
Journal of Ecological Engineering; 2021, 22, 6; 126-135
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effect of Addition Mocaf Flour to the Preference Level of Gray Eel Catfish Sausage
Autorzy:
Elang, Mochamad
Liviawaty, Evi
Junianto, Junianto
Rochima, Emma
Powiązania:
https://bibliotekanauki.pl/articles/1160999.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
gray eel catfish
mocaf flour
preference level
sausage
Opis:
The purpose of this research to determine the most preferred amount of mocaf flour addition to gray eel catfish sausage. Methods of the research was the experimental method with treatment five comparisons percentage addition of mocaf flour to the amount wheat flour. The treatments included A (0% mocaf flour and 100% wheat flour), B (15% mocaf flour and 85% wheat flour), C (20% mocaf flour and 80% wheat flour), D (25% mocaf flour and 75% wheat flour), E (30% mocaf flour and 70% wheat flour). Processed sausages using 15% flour from total surimi which is assumed to be 100%. Observations carried out on organoleptic characteristics that hedonic test (preference level) includes the appearance, aroma, texture, taste and then physical characteristics, namely folding test of the gray eel catfish sausages. The results showed that the addition of mocaf flour 25% is the treatment that most panelists like because it has an alternative value of 8,74 and the highest average value of folding test is 4,0 found in sausage with the addition of mocaf flour as much 0%.
Źródło:
World Scientific News; 2018, 112; 24-54
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Book review: Benny Morris, Dror Ze’evi, The Thirty-Year Genocide. Turkey’s Destruction of Its Christian Minorities 1894–1924, Harvard University Press, Cambridge– London 2019, pp. 656
Autorzy:
Di Marco, Myriam Lucia
Powiązania:
https://bibliotekanauki.pl/articles/1993954.pdf
Data publikacji:
2021-06-05
Wydawca:
Papieski Wydział Teologiczny we Wrocławiu
Źródło:
Wrocławski Przegląd Teologiczny; 2021, 29, 1; 435-440
2544-6460
Pojawia się w:
Wrocławski Przegląd Teologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zapach idei. Synestezja i ideastezja w Correspondances Charles’a Baudelaire’a
The flavour of ideas. Synaesthesia and ideasthesia in Charles Baudelaire’s Correspondences
Autorzy:
Kozłowska, Zuzanna
Powiązania:
https://bibliotekanauki.pl/articles/1389480.pdf
Data publikacji:
2016-03-04
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
ideasthesia
synaesthesia
Correspondences
Charles Baudelaire
The Flowers of Evi
Opis:
The article constitutes a re-reading of Charles Baudelaire’s Correspondences in the light of the controversial concept of ideasthesia. The author proposes that the sonnet operates on three levels of sensory cognition: an initial stage of rational sensory segmentation, a subsequent synaesthetic fusion of odours, sounds and colours, and finally – an ideasthetic synthesis of feeling and knowing.  The final stage of sensory processing triumphantly concludes the Symbolist quest for an elusive “beyond”, approximating the material and the ideal – the mechanism of which resembles an ideasthetic processing of sensory data. The poem mirrors the cognitive optimism characteristic of Baudelaire’s early thinking, soon to dissipate into melancholic (or Manichean) cognitive bankruptcy.
Źródło:
Poznańskie Studia Polonistyczne. Seria Literacka; 2015, 26; 299-316
1233-8680
2450-4947
Pojawia się w:
Poznańskie Studia Polonistyczne. Seria Literacka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Differences of the way of drying nori from raw seaweed Gracilaria sp. based on the level of preference
Autorzy:
Ramadhan, Yuri Aulia
Afrianto, Eddy
Dhahiyat, Yayat
Liviawaty, Evi
Powiązania:
https://bibliotekanauki.pl/articles/1062729.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Chemical test
Drying
Gracilaria
Level of Preference
Nori
Seaweed
Opis:
The purpose of this research is to utilize Gracilaria sp. Seaweed in making nori and knowing the effect of the drying process on the level of preference of panelists on nori products. This research was conducted at the Fisheries Technology Laboratory of the Faculty of Fisheries and Marine Sciences and Food Chemistry Laboratory Processing, Food Processing Technology Department, Faculty of Agricultural Technology, Bogor Agricultural University in January 2019. The research method used was the experimental method, with 20 semi-trained panelists and three treatments using oven drying, direct sunlight, and sunlight with modification of plastic housing. The test observed in the research is the hedonic test with characteristic organoleptic parameters including appearance, aroma, texture, taste and nori state. In addition, physical and chemical tests were carried out on the best treatment. Chemical tests covered both protein content and water content. Physical tests are hardness and thickness tests. The results of the research show that all the drying treatments on the nori are still favored by the panelists, but the drying treatment using an oven is preferred by the panelists as evidenced by the average value of the appearance characteristics of 6.40; aroma 6.30; 5.90 texture and taste 6.50. The chemical characteristics were as follows: water content 16.85%, the protein content 11.88%, fiber content 5.8%, and the physical characteristics related to hardness of 150 gf, with nori thickness of 0.25 mm.
Źródło:
World Scientific News; 2019, 133; 12-22
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of Freshness of Mackerel (Rastrelliger kanagurta (Cuvier, 1816)) at Rancaekek Market, Resik Market, and Tanjungsari Market
Autorzy:
Hakim, Ghifar
Junianto, Junianto
Liviawaty, Evi
Hasan, Zahidah
Powiązania:
https://bibliotekanauki.pl/articles/1158254.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Freshness
Mackerel
Rancaekek market
Rastrelliger kanagurta
Resik market
Tanjungsari market
Opis:
This research aims to know the level of freshness of mackerel (Rastrelliger kanagurta (Cuvier, 1816)) contained in Rancaekek market, Resik market, and Tanjungsari market. Methods of the research was survey methods and the level of freshness of the sample using organoleptic test. The samples were observed organoleptically including the appearance of the eyes, gill appearance, mucus appearance, meat condition, aroma, and texture. Based on observations on the freshness of mackerel from the parameters of eye appearance, gill appearance, mucus condition, meat condition, aroma, and texture, it can be concluded that the fish marketed by Rancaekek market scored 7.1, which means that it is in the fresh category, fish marketed in the Resik market got a score of 7.4, which means it is in the fresh category, and the fish marketed by the Tanjungsari market gets a score of 6.9, which means that it is within the fresh limit.
Źródło:
World Scientific News; 2018, 114; 1-14
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Adsorption of Methyl Orange Dye by Modified Fly Ash-Based Geopolymer – Characterization, Performance, Kinetics and Isotherm Studies
Autorzy:
Purbasari, Aprilina
Ariyanti, Dessy
Fitriani, Evi
Powiązania:
https://bibliotekanauki.pl/articles/24201617.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
adsorption
methyl orange
modified fly ash-based geopolymer
CTAB surfactant
cetyltrimethylammonium bromide
Opis:
Geopolymer has been widely used as adsorbent for heavy metals and dyes. Modification on geopolymer surface with cationic surfactant can improve the anion exchange capacity of geopolymer. In this paper, fly ash-based geopolymer had been modified with cetyltrimethylammonium bromide (CTAB) which is cationic surfactant and applied as adsorbent of methyl orange (MO) anionic dye. Modified geopolymer had shown better performance as MO dye adsorbent compared to unmodified geopolymer. The adsorption of MO dye showed the best result at low pH and reached equilibrium after 90 minutes. On the basis of kinetics and isotherm studies, MO dye adsorption by modified geopolymer followed pseudo-second-order model and Langmuir model with maximum adsorption capacity of 19.231 mg∙g-1.
Źródło:
Journal of Ecological Engineering; 2023, 24, 3; 90--98
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A novel approach to automated behavioral diagram assessment using label similarity and subgraph edit distance
Autorzy:
Fauzan, Reza
Siahaan, Daniel Oranova
Rochimah, Siti
Triandini, Evi
Powiązania:
https://bibliotekanauki.pl/articles/2097952.pdf
Data publikacji:
2021
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
automated assessment
behavioral diagram
label similarity
similarity assessment
subgraph edit distance
Unified Modeling Language
Opis:
The Unified Modeling Language (UML) is one of the standard languages that are used in modeling software; therefore, UML is widely taught in many universities. Generally, teachers assign students to build UML diagram designs based on a predetermined project; however, the assessment of such assignments can be challenging, and teachers may be inconsistent in assessing their students’ answers. Thus, automated UML diagram assessment becomes essential to maintaining assessment consistency. This study uses a behavioral diagram as the object of research, since it is a commonly taught UML diagram. The behavioral diagram can show a dynamic view of the software. This study proposes a new approach to automatically assessing the similarity of behavior diagrams as reliably as experts do. We divide the assessment into two portions: semantic assessment, and structural assessment. Label similarity is used to calculate semantic assessment, while subgraph edit distance is used to calculate structural assessment. The results suggest that the proposed approach is as reliable as an expert in assessing the similarity between two behavior diagrams. The observed agreement value suggests a strong agreement between the use of experts and the proposed approach.
Źródło:
Computer Science; 2021, 22 (2); 191-207
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of pedotransfer functions for predicting soil bulk density : a case study in Indonesian small island
Autorzy:
Yanti, Evi Dwi
Mulyono, Asep
Djuwansah, Muhammad Rahman
Narulita, Ida
Putra, Risandi Dwirama
Surinati, Dewi
Powiązania:
https://bibliotekanauki.pl/articles/2048512.pdf
Data publikacji:
2021
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
bulk density
multiple linear regression
pedotransfer function
soil property
Opis:
Unlike many other countries, tropical regions such as Indonesia still lack publications on pedotransfer functions (PTFs), particularly ones dedicated to the predicting of soil bulk density. Soil bulk density affects soil density, porosity, water holding capacity, drainage, and the stock and flux of nutrients in the soil. However, obtaining access to a laboratory is difficult, time-consuming, and costly. Therefore, it is necessary to utilise PTFs to estimate soil bulk density. This study aims to define soil properties related to soil bulk density, develop new PTFs using multiple linear regression (MLR), and evaluate the performance and accuracy of PTFs (new and existing). Seven existing PTFs were applied in this study. For the purposes of evaluation, Pearson’s correlation (r), mean error (ME), root mean square error (RMSE), and modelling efficiency (EF) were used. The study was conducted in five soil types on Bintan Island, Indonesia. Soil depth and organic carbon (SOC) are soil properties potentially relevant for soil bulk density prediction. The ME, RMSE, and EF values were lower for the newly developed PTFs than for existing PTFs. In summary, we concluded that the newly developed PTFs have higher accuracy than existing PTFs derived from literature. The prediction of soil bulk density will be more accurate if PTFs are applied directly in the area that is to be studied.
Źródło:
Journal of Water and Land Development; 2021, 51; 181-187
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The ratio of tuna white meat surimi and red meat surimi in the making of fish burger based on the preference level
Autorzy:
Rahmawati, Rahmi
Rostini, Iis
Mulyani, Yeni
Liviawaty, Evi
Powiązania:
https://bibliotekanauki.pl/articles/1158423.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Thunnus obesus
Tuna fish
fish burger
preference level
red meat
surimi
white meat
Opis:
This research aims to determine the ratio percentage of white meat surimi and red meat surimi of tuna in the making of fish burger in the most preferred by the panelists. The method used for this research in experimental with 5 treatments, which are the usage of 100% content of white meat surimi and the combination of white meat surimi and red meat surimi with the percentage of 90%, 10%, 80%, 20%, 70%, 30%, 60%, 40% based on the weight of white and red surimi meat, involving up to 20 semi-trained panelists as rehearsal. The observed parameters are the yield calculation percentage of white and red tuna fillet, surimi’s yield and fish burger’s yield, hedonic test (preference level) based on organoleptic characteristic covering the appearance, aroma, texture and taste of tuna fish burger along with chemical test (protein value, fat value and water level) to fish burger. According to the result to the fish burger’s level of preference it can be summarized that the comparison of tuna’s white meat surimi and red meat surimi for every treatments are liked by the panelists, however the treatment of 80% white meat surimi and 20% red meat surimi tuna is the most preferred treatment by panelists with the median characteristic value of appearance, aroma, and texture of 7 (liked) and taste 9 (very liked). The amount of the protein value is 13.99%, fat value is 2.36%, and water value is 31.28%
Źródło:
World Scientific News; 2018, 114; 68-83
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The utilization of lactic acid bacteria from rusip to inhibit the formation of histamine on salted-boiled mackerel tuna - Euthynnus affinis (Cantor, 1849)
Autorzy:
Hidayati, Nurul
Afrianto, Eddy
Hasan, Zahidah
Liviawaty, Evi
Powiązania:
https://bibliotekanauki.pl/articles/1062744.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Euthynnus affinis
Histamine
Indo-Pacific region
Lactic Acid Bacteria
Rusip
Salted-Boiled mackerel tuna
Opis:
This research aims to determine the best concentration of Rusip fermentation solution for inhibiting histamine formation and its effect on the quality of salted-boiled mackerel tuna (Euthynnus affinis). The studies were conducted in August-September 2018 at the Fisheries Product Processing Laboratory and Microbiology and Molecular Biotechnology Laboratory of Fisheries and Marine Sciences Faculty, Padjadjaran University. This work used an experimental method with 4 variables and 3 repetitions, namely salted-boiled mackerel tuna (Euthynnus affinis) that soaked in rusip fermentation solution with a concentration of 0%, 10%, 20%, and 30% for 30 minutes and storage at some above room temperature (25-27 ºC). Parameters observed included TPC, Histamine levels, pH, and organoleptic values (aroma, appearance, and texture). The result showed that the use of 30% rusip fermentation solution was able to inhibit the formation of histamine and produced the lowest histamine levels of 29.80 mg/100 g. The number of histamine-forming bacteria is positively correlated with histamine content during storage. Based on the organoleptic value (aroma, appearance, and texture), the use of 30% rusip fermentation solution was still received by panelists and fulfilled the best quality requirements according to SNI 2717-1-2009 until the fifth day of storage compared to the other treatments.
Źródło:
World Scientific News; 2019, 133; 85-97
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Using Fermented Coconut Testa by Rhizopus oryzae Went & H.C. Prinsen Geerligs, (1895) on the Growth of Red Tilapia Seeds (Oreochromis niloticus Linnaeus, 1758)
Autorzy:
Oktapiani, Rida
Haetami, Kiki
Liviawaty, Evi
Lili, Walim
Powiązania:
https://bibliotekanauki.pl/articles/1839381.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Red tilapia
coconut testa
fermentation
Rhizopus oryzae
growth
Oreochromis niloticus
Opis:
This study aims to determine the effect of the level of use of fermented coconut testa from Rhizopus oryzae for four days on optimal artificial feed on the growth of red tilapia fry. The method used in this research is an experimental method using a completely randomized design (CRD), which consists of five treatments and three replications. The treatments used were differences in the level of use of fermented coconut testa in feed (A) 0%, (B) 5%, (C) 10%, (D) 15%, and (E) 20%. Maintenance was carried out for 42 days. Parameters observed were nutritional value of fermented products, daily growth rate, feed conversion ratio, and water quality (temperature, pH and dissolved oxygen). Daily growth rate, feed conversion ratio, and water quality were observed every 7 days. Daily growth rate and feed conversion ratio data were analyzed using the Analysis of Variance (ANOVA) with a 95% confidence level, followed by Duncan's multiple spacing test, while the nutritional content of fermented products and water quality were analyzed descriptively. The results showed that the use of coconut testa fermented by R. oryzae for four days as much as 15% in the feed formulation gave the highest daily growth rate of red tilapia fish, namely 1.29% and feed conversion ratio of 2.36.
Źródło:
World Scientific News; 2021, 162; 29-42
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rejestracja panoram widokowych w zakresach pozaspektralnych jako narzędzie oceny atrakcyjności krajobrazu
Registration of panoramas in the non-visible ranges as a tool of landscape attractiveness evaluation
Autorzy:
Ozimek, A.
Łabędź, P.
Powiązania:
https://bibliotekanauki.pl/articles/87694.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
bliska podczerwień
cyfrowa analiza krajobrazu
przetwarzanie obrazu
NDVI
EVI
near infrared
digital landscape analysis
image processing
Opis:
Stopień nasycenia panoramy elementami przyrodniczymi może stanowić jeden ze wskaźników miary jej atrakcyjności, a zarazem posłużyć jako narzędzie klasyfikacji krajobrazu, czy oceny zmian w nim zachodzących. Precyzyjna segmentacja obrazu, mająca na celu wyróżnienie obiektów naturalnych oraz kulturowych na panoramach widokowych, jest praktycznie niemożliwa, jeżeli materiał stanowią fotografie rejestrowane w zakresie widma widzialnego. W artykule podjęto próbę zastosowania wskaźników NDVI oraz EVI, stosowanych w teledetekcji, dla wykrywania w panoramie elementów tworzywa naturalnego.
The extent of panorama saturation with natural elements can constitute one of indicators of its attractiveness, and at the same time, can serve as a tool for landscape classification or its transformation monitoring. The precise image segmentation, focussed on natural and cultural objects distinction, is practically impossible, while the photographs registered in the visible range are used analyses. In the paper the attempt has been made to utilize NDVI and EVI indexes, used in remote sensing, for natural elements detection.
Źródło:
Prace Komisji Krajobrazu Kulturowego; 2010, 14; 331-341
1896-1460
2391-5293
Pojawia się w:
Prace Komisji Krajobrazu Kulturowego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effect of Natural Silica from Rice Husk Ash and Nickel as a Catalyst on the Hydrogen Storage Properties of $MgH_2$
Autorzy:
Malahayati, -
Yufita, Evi
Ismail, Ismail
Mursal, Mursal
Idroes, Rinaldi
Jalil, Zulkarnain
Powiązania:
https://bibliotekanauki.pl/articles/2028172.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
hydrogen storage
natural silica
rice husk ash
high energy ball milling
desorption temperature
Opis:
The characteristics of $MgH_2$ as a hydrogen storage material in this study were observed by varying the composition of the catalyst. The added catalyst was a dual catalyst, namely nickel and natural silica extracted from rice husk ash with a composition of $MgH_2$ + 10 wt% $SiO_2$ + 10 wt% Ni (Sample A), then $MgH_2$ + 5 wt% $SiO_2$ + 10 wt% Ni (Sample B) , and $MgH_2$ + 10 wt% $SiO_2$ + 5 wt% Ni (sample C). The samples were prepared using the high energy ball milling (HEBM). The results showed that the natural silica extracted from rice husk ash (hereafter called “RHA“) can be used as a catalyst in $MgH_2$. Then, simultaneous use of nickel with silica as dual catalyst has shown the improvement in the hydrogen storage characteristics such as temperature and desorption time. The results of this study also indicate that the composition of the catalyst affects the particle size, although the time and milling treatment are the same. Furthermore, the particle size affects the characteristics of $MgH_2$ as a hydrogen storage material. Apart from particle size, there are other parameters that influence the characteristics of $MgH_2$, which appear during the sample preparation process such as impurity and agglomeration phases, all of which are closely related to the composition and type of catalyst used and the milling treatment applied to the sample. The 10 hours milling time used in this study has succeeded in reducing the sample to nano size. The Mg-based materials which have a nanostructure will have a larger contact area for the hydrogen reaction. The diffusion distance during the hydrogen absorption reaction also becomes smaller so as to improve the kinetic and thermodynamic characteristics of $MgH_2$.
Źródło:
Journal of Ecological Engineering; 2021, 22, 11; 79-85
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Porównanie metody Gumińskiego i teledetekcji satelitarnej w aspekcie wyznaczania dat początku okresu wegetacyjnego na obszarze Polski
Comparison of Gumiński and satellite remote sensing methods in terms of determining the dates of the onset of the growing season in Poland
Autorzy:
Bartoszek, K.
Siłuch, M.
Powiązania:
https://bibliotekanauki.pl/articles/401083.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
teledetekcja satelitarna
okres wegetacji
MODIS
EVI
aktywność fotosyntetyczna
remote sensing
growing season
photosynthetic activity
Opis:
Celem niniejszej pracy było porównanie dat początku okresu wegetacyjnego (OW) na obszarze Polski w okresie 2001–2010, które wyznaczono na podstawie dwóch niezależnych metod. Do wyznaczania dat metodą Gumińskiego wykorzystano średnie miesięczne wartości temperatury powietrza z punktów gridowych rozmieszczonych na terenie kraju. Natomiast do określenia dat początku OW metodą teledetekcji satelitarnej wykorzystano dane pochodzące z NASA LP DAAC, które były wynikiem pomiarów wykonywanych przez wielospektralny skaner MODIS umieszczony na satelitach Terra i Aqua. Wykazana została znaczna zgodność średnich terminów początku OW w Polsce wyznaczonych tymi dwoma metodami, co może sugerować istotny wpływ czynnika termicznego na wzrost aktywności fotosyntetycznej roślinności po okresie zimowym. Obydwie metody potwierdziły, że przeciętnie najwcześniej początek OW występuje w południowo-zachodniej części kraju, natomiast najpóźniej w Polsce Północnej i na obszarach górskich.
The aim of the paper is to compare the dates of the onset of the growing season in Poland in the period 2001–2010, which were determined on the basis of two independent methods. The dates determined by Gumiński method based on gridded monthly mean air temperature over Poland area. In turn, satellite data extracted from NASA LP DAAC product, which were the result of measurements performed with multispectral scanner (MODIS) on the Terra and Aqua satellites. It was demonstrated that the average dates of the onset of the growing season in Poland determined by two methods did not differ significantly. It may suggest a significant impact of thermal factor on the increase in the photosynthetic activity of vegetation after the winter months. Both methods confirmed that the earliest average dates of the onset of the growing season occur in the southwestern part of the country, and the latest in northern Poland and in the mountain areas.
Źródło:
Inżynieria Ekologiczna; 2015, 45; 99-105
2081-139X
2392-0629
Pojawia się w:
Inżynieria Ekologiczna
Dostawca treści:
Biblioteka Nauki
Artykuł
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