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Wyszukujesz frazę "Ramesh, A." wg kryterium: Autor


Wyświetlanie 1-9 z 9
Tytuł:
Hydrophilic Modified clay Nanocomposites: Effect of clay on Thermal and Vibrational Properties
Autorzy:
Kishore, A.
Venkatesh, D. B.
Kumar, M. A.
Ramesh, A.
Murthy, K. N.
Karthikeyan, N.
Powiązania:
https://bibliotekanauki.pl/articles/411937.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Hydrophilic nanoclay
Epoxy Nanocomposites
mechanical properties
Opis:
Epoxy (LY-556/HY-951) system filled with modified clay (MC) was synthesized by using mechanical shear mixing with the addition of hardener as tri-ethylene-tetra-amine (TETA). The effect of the fumed silica can be negated by the application of a shear force (e.g. mixing, brushing, spraying etc), allowing the liquid to flow, level out and permit the escape of entrapped air. The reinforcement effects of MC in the epoxy polymer on thermal, mechanical and vibration properties were studied. Curing study shows that the addition MC does not show any effect in the curing behavior of epoxy polymer. Thermogravimetry analysis (TGA) shows enhanced thermal stability for epoxy with MC fillers. The epoxy with MC fillers shows considerable improvement on tensile and impact properties over pure epoxy polymer. SEM studies shows that addition of clay significantly turns the epoxy system from brittle to ductile nature was played instrumental in scaling performance. The improvement in tensile and impact properties of nanocomposites is supported with the fracture surface studies. Epoxy with MC fillers shows enhanced vibration characteristics than that of the pure epoxy polymer. FTIR studies indicated the formation of C-H bonds on the surface of the nanocomposites.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 8; 73-86
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of fiber length on tensile properties of polyester resin composites reinforced by the fibers of Sansevieria trifasciata
Autorzy:
Hari Sankar, P.
Hemacahndra Reddy, K.
Mohana Reddy, Y.V.
Ashok Kumar, M.
Ramesh, A.
Powiązania:
https://bibliotekanauki.pl/articles/11876.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
fibre length
tensile property
polyester composite
resin
fibre
Sansevieria trifasciata
polyester
mechanical property
Opis:
This paper presents the study of the tensile properties of Sansevieria trifasciata – fiber (here after called STF) reinforced polyester composites. The composite sample was fabricated with five different fiber lengths of STF (2, 4, 6, 8 and 10 mm). The fabrication was made by hand lay-up technique. Mechanical properties were determined using tensile testing. An interact between fiber and matrix was observed from the SEM (scanning electron microscope) micrographs. The study reveals that the tensile strength increased with fiber length without effecting the elongation at break of the composite.
Źródło:
International Letters of Natural Sciences; 2014, 03
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ethnobotanical Study of Utilization of Medicinal Plant for Diabetics in the Tribal Peoples of Parvathamalai Hills, Tiruvannamali, India
Autorzy:
Ramesh, P.
Subramani, A.
Powiązania:
https://bibliotekanauki.pl/articles/1193883.pdf
Data publikacji:
2015
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Diabetes
Ethnomedicinal
Ethnomedicinal Ethnobotanical Study
Medicinal plants
Parvathamalai
Plant for Diabetics
Thiruvannamalai
Tribal Peoples
Opis:
Ethnomedicinal field surveys were conducted in several places of Parvathamalai hills of Thiruvannamalai district. The ethnic groups have very rich tradition of herbal medicines used in the treatment of various ailments. The ethnomedicinal information was collected on the basis of interview and field studies with local healers. Medicinal plants were collected and identified with help from indigenous healers. Such medicines have been shown to have significant healing power, either in their natural state or as the source of new products processed by them. Our study is mainly concentrated with plants used in relation to cure of diabetes. In our report, the part/parts of plants used, scientific name, Vernacular names and Family names of the collected plants are also given in this report.
Źródło:
World Scientific News; 2015, 23; 90-105
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Study on the Impact of Lombard Effect on Recognition of Hindi Syllabic Units Using CNN Based Multimodal ASR Systems
Autorzy:
Uma Maheswari, Sadasivam
Shahina, A.
Rishickesh, Ramesh
Nayeemulla Khan, A.
Powiązania:
https://bibliotekanauki.pl/articles/176415.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
Lombard speech
multimodal ASR
throat microphone
visual speech
Convolutional Neural Network
Hidden Markov Model
late fusion
intermediate fusion
Opis:
Research work on the design of robust multimodal speech recognition systems making use of acoustic, and visual cues, extracted using the relatively noise robust alternate speech sensors is gaining interest in recent times among the speech processing research fraternity. The primary objective of this work is to study the exclusive influence of Lombard effect on the automatic recognition of the confusable syllabic consonant-vowel units of Hindi language, as a step towards building robust multimodal ASR systems in adverse environments in the context of Indian languages which are syllabic in nature. The dataset for this work comprises the confusable 145 consonant-vowel (CV) syllabic units of Hindi language recorded simultaneously using three modalities that capture the acoustic and visual speech cues, namely normal acoustic microphone (NM), throat microphone (TM) and a camera that captures the associated lip movements. The Lombard effect is induced by feeding crowd noise into the speaker’s headphone while recording. Convolutional Neural Network (CNN) models are built to categorise the CV units based on their place of articulation (POA), manner of articulation (MOA), and vowels (under clean and Lombard conditions). For validation purpose, corresponding Hidden Markov Models (HMM) are also built and tested. Unimodal Automatic Speech Recognition (ASR) systems built using each of the three speech cues from Lombard speech show a loss in recognition of MOA and vowels while POA gets a boost in all the systems due to Lombard effect. Combining the three complimentary speech cues to build bimodal and trimodal ASR systems shows that the recognition loss due to Lombard effect for MOA and vowels reduces compared to the unimodal systems, while the POA recognition is still better due to Lombard effect. A bimodal system is proposed using only alternate acoustic and visual cues which gives a better discrimination of the place and manner of articulation than even standard ASR system. Among the multimodal ASR systems studied, the proposed trimodal system based on Lombard speech gives the best recognition accuracy of 98%, 95%, and 76% for the vowels, MOA and POA, respectively, with an average improvement of 36% over the unimodal ASR systems and 9% improvement over the bimodal ASR systems.
Źródło:
Archives of Acoustics; 2020, 45, 3; 419-431
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal Comfort Properties of Bamboo/Silk Fabrics
Komfort termiczny i właściwości tkanin bambusowo-jedwabnych
Autorzy:
Geethanjali, T.
Prakash, C.
Ramesh Babu, V.
Jebastin Rajwin, A.
Powiązania:
https://bibliotekanauki.pl/articles/1419797.pdf
Data publikacji:
2021
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
bamboo
comfort
knitted fabric
thermal comfort
silk
bambus
komfort
dzianina
komfort termiczny
jedwab
Opis:
The thermal resistance of fabrics containing silk showed a higher value in comparison with lyocell-rich blends. The water vapour permeability, absorbency and wickability of lyocell and lyocell-rich blends were found to be superior as compared to 100% silk fabrics. With respect to aesthetic comfort properties, the drape of the lyocell rich fabrics was good in comparison with 100% silk fabrics.
W badaniu stwierdzono, że tkaniny zawierające jedwab mają wyższą wartość oporu cieplnego w porównaniu z mieszankami bogatymi w Lyocell. Stwierdzono również, że przepuszczalność pary wodnej, nasiąkliwość i podatność na skręcanie Lyocell i mieszanek bogatych w Lyocell były lepsze w porównaniu ze 100% tkaninami jedwabnymi. Pod względem komfortu estetycznego, tkanin bogatych w Lyocell wypadły lepiej, w porównaniu z tkaninami 100% jedwabnymi.
Źródło:
Fibres & Textiles in Eastern Europe; 2021, 2 (146); 36-40
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of a Method to Compute the Overall Key Performance Index for a Spinning Mill to Aid Supply Chain Management
Opracowanie metody obliczania ogólnego kluczowego wskaźnika wydajności dla przędzalni w celu wspomagania zarządzania łańcuchem dostaw
Autorzy:
Anand, K. T.
Rajan, A. John
Bapu, B. R. Ramesh
Powiązania:
https://bibliotekanauki.pl/articles/232949.pdf
Data publikacji:
2019
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
key performance index
overall KPI
kluczowe wskaźniki wydajności
KPI
Opis:
This paper aims to provide a convenient measure of evaluating the performance of spinning mills using the overall Key Performance Index. Although many authors have advocated the concept of the key performance index, their studies were confined to departments other than spinning. The methodology followed in this paper is based on providing weightages to machine utilisation, spindle production, end breaks, HOK (number of operative hours required to produce 100 kg of yarn), roving production, yarn realisation, CSP (count strength product), units/kg of yarn and to compute the overall Key Performance Index in a logical manner. It has come to light that some mills have achieved an overall Key Performance Index (OKPI) of more than 100 and less than 100 in certain other mills. Also the important factors which are significant for supply chain management have been highlighted. A very useful source of information and advice for various spinning mills to develop their own supply chain strategies is provided. Especially with the introduction of technical textiles, supply chain management has become a critical area.
Celem artykułu było zapewnienie wygodnej miary oceny wydajności przędzalni przy użyciu ogólnego kluczowego wskaźnika wydajności. Chociaż w wielu opublikowanych pracach opowiadano się za koncepcją kluczowego wskaźnika wydajności, dotychczasowe badania ograniczały się do innych działów niż przędzalnictwo. Metodologia zastosowana w artykule opiera się na zapewnieniu wag użytkowania maszyny, produkcji wrzeciona, przerw końcowych, HOK (liczba godzin operacyjnych potrzebnych do wyprodukowania 100 kg przędzy), produkcji niedoprzędów, realizacji przędzy, CSP (iloczyn wytrzymałościowy), jednostek/kg przędzy. W pracy podkreślono czynniki istotne dla zarządzania łańcuchem dostaw. Artykuł może stanowić bardzo przydatne źródło informacji i porad dla różnych przędzalni w celu opracowania własnych strategii łańcucha dostaw, szczególnie biorąc pod uwagę fakt, że zarządzanie łańcuchem dostaw stało się krytycznym obszarem, zwłaszcza po wprowadzeniu tkanin technicznych.
Źródło:
Fibres & Textiles in Eastern Europe; 2019, 6 (138); 20-26
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessing the effect of oral diseases on oral health related quality of life of institutionalized elderly using Oral Health Impact Profile (OHIP-14) questionnaire: a pilot study
Autorzy:
Saxena, A.
Nagarajappa, R.
Naik, D.
Abid, M.
Ramesh, G.
Powiązania:
https://bibliotekanauki.pl/articles/876800.pdf
Data publikacji:
2020
Wydawca:
Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
Źródło:
Roczniki Państwowego Zakładu Higieny; 2020, 71, 3
0035-7715
Pojawia się w:
Roczniki Państwowego Zakładu Higieny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Serodiagnosis of Toxoplasmosis using Lateral Flow Chromatographic Immunoassay among Animals and Humans in Sunsari District of Nepal
Autorzy:
Sah, Ramesh Prasad
Talukder, Md Hasanuzzaman
Rahman, A. K. M. Anisur
Powiązania:
https://bibliotekanauki.pl/articles/1167051.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Animals
Nepal
human
seroprevalence
toxoplasmosis
Opis:
Toxoplasmosis is a cosmopolitan parasitic zoonosis, infecting human and other warm blooded animals worldwide. This disease has economic importance in regard to animal reproduction, and it leads to abortions and neonatal complications in humans. This study was carried out to determine the seroprevalence of Toxoplasma gondii in sheep, cattle, cats and human in Inaruwa and surrounding areas of Sunsari district, Nepal. Altogether 336 blood samples, of which 50 from sheep, 92 from cattle, 44 from cats and 150 from human were collected and tested immediately using lateral flow chromatographic immunoassay (Toxo IgG/IgM Combo Rapid test®). Associated biometric information such as age, sex, pregnancy status, occupation, association with cat was recorded and analyzed to determine the association of risk factors with the disease. Data were analyzed using R 3.2.2 (The R foundation for Statistical Computing, 2015). Seroprevalence of toxoplasmosis was detected 12.00% (95% CI: 4.53- 24.31%) in sheep, 8.70% (95% CI: 3.83- 16.42%) in cattle, 36.36% (95%CI: 22.41- 52.23%) in cats and 12.67% (95% CI: 7.80- 19.07%) in human. In case of human, 31 to 45 years age group were found more susceptible to toxoplasmosis (21.74%, OR: 6.4) in comparison to 21 to 30 years (10.0%) and up to 20 years (4.17%) age groups. Toxoplasmosis was found highly significantly associated with abortion (58.33%, OR= 15.4, P=0.0001) in human in the tested individuals. Regarding occupation, 20.83% butchers were seropositive followed by farmers (15.52%), housewives (10.0%) and diagnostic lab technicians (8.0%). Female and higher age group showed high prevalence of toxoplasmosis in all studied species. Therefore, this assay is a useful method for the serological screening of toxoplasmosis in different animals and humans.
Źródło:
World Scientific News; 2018, 105; 145-156
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of Thermal Comfort Properties of Different Kinds of Polyester Knitted Fabrics
Badanie właściwości komfortu termicznego różnych rodzajów dzianin poliestrowych
Autorzy:
Mohapatra, Shradhanjali
Vidya, T.
Kumar, D. Vasanth
Rajwin, A. Jebastin
Babu, V. Ramesh
Prakash, C.
Shah, B. Anas
Roy, Reetuparna
Powiązania:
https://bibliotekanauki.pl/articles/2056314.pdf
Data publikacji:
2021
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
comfort
knitted fabric
microdenier polyester
polyester
single jersey
thermal comfort
komfort
dzianina
poliester microdenier
poliester
komfort termiczny
Opis:
This research focused on the thermal comfort behaviour of polyester with respect to the type of yarn (spun, micro denier, continuous filament and hollow), linear density of the yarn (111 and 166 dtex), and the loop length of knitted fabric (0.25, 0.27 and 0.29 cm).The air permeability of continuous filament yarn fabric and micro denier yarn knitted fabrics was noted to be higher than that of spun yarn knitted fabrics. 111 dtex micro denier yarn fabric has the highest air permeability and 111 dtex spun yarn fabric the lowest air permeability value among all the other fabric samples. Comparatively, coarser spun yarn fabric has lower air permeability characteristics than finer microdenier fabric.The water permeability of the fabric shows a significant difference between the spun yarn, continuous filament yarn and Micro denier yarn knitted fabrics and between the linear density of the yarn. The water vapour permeability of spun yarn of 166 dtex single jersey fabric is higher, while the water vapour permeability of continuous filament yarn fabric of 166 dtex is lower. The thermal conductivity value is high for continuous filament polyester fabric of 100 D and low for microdenier polyester fabric of 166 dtex. Based on the statistical analysis, it is clearly shown that there are significant differences between the three different polyester yarn fabrics of two different denier of the same fabric. Furthermore, the count and different polyester yarn affect the comfort properties of single jersey fabrics.
Badania koncentrowały się na zachowaniu komfortu cieplnego poliestru w odniesieniu do rodzaju przędzy, gęstości liniowej przędzy (111 dtex i 166 dtex) oraz długości pętelki dzianiny (0,25 cm, 0,27 cm oraz 0,29 cm). Zbadano właściwości wytworzonych dzianin takie jak: przepuszczalność powietrza, wody, pary wodnej oraz przewodność cieplną, a wyniki poddano analizie statystycznej.
Źródło:
Fibres & Textiles in Eastern Europe; 2021, 5 (149); 50--55
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-9 z 9

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