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Wyszukujesz frazę "Kumar, S." wg kryterium: Autor

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    Wyświetlanie 1-10 z 10
    Tytuł:
    Meiotic studies in some members of Caryophyllaceae Juss. from the Western Himalayas
    Autorzy:
    Jeelani, S.M.
    Rani, S.
    Kumar, S.
    Kumari, S.
    Gupta, R.C.
    Powiązania:
    https://bibliotekanauki.pl/articles/19318.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Caryophyllaceae
    Himalayas
    meiotic process
    chromosome number
    meiosis
    Western Himalayas
    pollen grain size
    Arenaria kashmirica
    Silene conoidea
    Silene edgeworthii
    Silene moorcroftiana
    Silene nepalensis
    Stellaria media
    Stellaria monosperma
    Stellaria semivestita
    Lychnis coronaria
    Silene vulgaris
    India
    Gypsophilla ceratioides
    Opis:
    The paper reports meiotic studies on 50 populations comprising 12 species belonging to 5 genera of Caryophyllaceae from the Western Himalayas. The chromosome numbers in Arenaria kashmirica (n=20), Silene conoidea (n=20), S. edgeworthii (n=12 and n=24), S. moorcroftiana (n=24), S. nepalensis (n=12), Stellaria media (n=13), S. monosperma (n=13) and S. semivestita (n=13) are reported for the first time. The chromosome numbers in Lychnis coronaria (n=12) and Silene vulgaris (n=24) are given for the first time from India, along with Gypsophilla ceratioides (n=15) from the Western Himalayas. The course of meiosis varies from normal to abnormal in different populations of Silene conoidea, S. edgeworthii, S. vulgaris, Stellaria media, S. monosperma and S. semivestita. The course of meiosis was abnormal in all studied populations of Lychnis coronaria. Abnormal microsporogenesis (cytomixis, chromosomal stickiness, unoriented bivalents, formation of laggards and bridges) led to reduced pollen fertility and differences in pollen grain size.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2011, 53, 1
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spatio-temporal variations in sulfur-oxidizing and sulfate-reducing bacterial activities during upwelling, off South-West coast of India
    Autorzy:
    Kamaleson, A.S.
    Gonsalves, M.-J.
    Kumar, S.
    Jineesh, V.K.
    LokaBharathi, P.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/47551.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    spatio-temporal variability
    sulphate reduction
    sulphur oxidation
    bacterial activity
    microbial degradation
    environment parameter
    upwelling
    Arabian Sea
    India
    coastal water
    Źródło:
    Oceanologia; 2019, 61, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Seasonal changes of sedimentation rates and sediment characteristics status in the Gulf of Mannar Coral Island, India
    Autorzy:
    Yogesh Kumar, J.S.
    Geetha, S.
    Sornaraj, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/11860.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    seasonal change
    sedimentation rate
    sediment status
    Mannar Gulf
    Coral Island
    coral reef
    marine sediment
    Thoothukudi group
    Vembar group
    India
    Opis:
    Corals are known to flourish in various turbid environments around the world. The quantitative distinction between clear and turbid water in coral habitats is not well defined nor are the amount of sediment in suspension and rates of sedimentation used to evaluate the condition of reef environments well established. This study of sedimentation rate, sediment composition and pH, OC deposition was on a fringing reef flat off Thoothukudi and Vembar group of islands, Gulf of Mannar, India. In the present study the sedimentation rate ranged from 1.97 mg/cm2/day to 12.31 mg/cm2/day. The percentage of sand in the sediment was higher than silt and clay. The organic carbon level in all the study stations ranged from 0.03 to 2.54. The sediment pH of the six studied stations was highly acidic in nature at all the study sites in the Gulf of Mannar.
    Źródło:
    International Letters of Natural Sciences; 2014, 01
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Characteristics, types and causes of chest pain in an urban family practice secondary care center in South India
    Autorzy:
    Kumar G.S., Yeshvanth
    Rajkumar Honest, Prince Christopher
    Subramanian, Apoorva
    Abraham, Ranjit
    Teja Velaga, Saran
    Pricilla, Ruby Angeline
    Kirubah Vasandhi, David
    Sunil, Abraham
    Powiązania:
    https://bibliotekanauki.pl/articles/553099.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Przyjaciół Medycyny Rodzinnej i Lekarzy Rodzinnych
    Tematy:
    chest pain
    family practice
    secondary care
    India.
    Źródło:
    Family Medicine & Primary Care Review; 2017, 4; 377-381
    1734-3402
    Pojawia się w:
    Family Medicine & Primary Care Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On Nigerian and Indian Toponyms: Socio-Cultural Divergence and Development
    Autorzy:
    Oha, Anthony C.
    Kumar, Bachchan
    Anyanwu, Bibian
    Omoera, Osakue S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1179271.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    English
    India
    Language development
    Nigeria
    Socio-cultural divergence
    Toponyms/Place-names
    Opis:
    In onomastic studies, toponyms are defined as place-names or names given to geographical locations which include towns, streets, and tourist centres. It is pertinent to note that India and Nigeria were both British colonies. Thus, English is placed as the official language of business and politics in both countries. However, Indians were quick to understand the power of language, due to the philosophical influence of Mahatma Gandhi, which enabled them to embrace Hindi language early, as a second official language. Deploying onomastics, semiotics, interpretative approach to translation, text analysis and cultural studies, we have selected one hundred (100) toponyms from different parts of India and Nigeria and analysed them in order to show the development of place-names in both countries in the new millennium. In Nigeria, the influence of British English is everywhere in the names of cities, towns, villages, streets, tourist centres, rivers, including ‘Douglas Road’, ‘Wetheral Road’, ‘Owerri’ instead of ‘Owere’, ‘Awka’ instead of ‘Oka’, ‘Warri instead of ‘Wori,’ among others. In India, however, we see indigenized naming forms such as ‘Tilak Nagar’, ‘Mahavir Nagar’, ‘Rama Krishna Ashram Marg’ and ‘Rajiv Chowk’. English language in India is fast dying, while in Nigeria, the reverse is the case. The conclusion reached is that while India is making serious efforts towards a complete linguistic independence, through the development of place-names, Nigeria is promoting anglicised place- names, which is detrimental to the development of indigenous Nigerian languages.
    Źródło:
    World Scientific News; 2017, 80; 268-283
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prosthetic status and prosthetic needs amongst geriatric fishermen population of Kutch coast, Gujarat, India
    Autorzy:
    Kumar, D.R.V.
    Raju, D.S.
    Naidu, L.
    Deshpande, S.
    Chadha, M.
    Agarwal, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/874703.pdf
    Data publikacji:
    2015
    Wydawca:
    Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
    Tematy:
    geriatrics
    prosthetic status
    prosthetic need
    fisherman
    dental hygiene
    dental health
    environmental factor
    oral health
    human population
    Kutch coast
    Gujarat state
    India
    Opis:
    Background. Literature among fishermen of India is scanty. The external factors like diet, quality of dental hygiene and environmental factors have an effect on oral health. Moreover elderly age group offer very little importance towards their oral health. Objective. To assess the prosthetic status and prosthetic treatment needs among the geriatric fishermen population of Kutch coast, Gujarat, India. Material and Methods. A cross sectional descriptive study was conducted among 1200 elderly people (above 60 years) of Kutch coast, Gujarat, India. They were interviewed and examined using a proforma designed with the help of WHO Oral Health Survey 1997. Chi square test was used for comparisons. Confidence level and p-value were set at 95% and 5% respectively. Results. Out of 1200 elderly people, 836 were males and 364 were females. Considering the prosthetic status, majority (76.7%) had no prosthesis followed by full removable dentures (12.3%). An insight into the prosthetic needs showed that majority (27.3%) had a need for multiunit prosthesis. Conclusion. In this study, it was seen that overall prosthetic status was low and prosthetic need was high. Therefore new avenues have to be discovered to make the prosthetic treatment readily available to the elderly.
    Źródło:
    Roczniki Państwowego Zakładu Higieny; 2015, 66, 2
    0035-7715
    Pojawia się w:
    Roczniki Państwowego Zakładu Higieny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    First tillodont from India: Additional evidence for an early Eocene faunal connection between Europe and India?
    Autorzy:
    Rose, K D
    Rana, R.S.
    Sahni, A.
    Kumar, K.
    Singh, L.
    Smith, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/22886.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    tillodont
    India
    Europe
    Eocene
    Paleocene
    faunal connection
    Cenozoic
    mammal
    Ypresian
    anthracobunid
    lagomorph
    fauna
    Opis:
    Vastan Lignite Mine in southeastern Gujarat, India, produces the oldest known Cenozoic land−mammals and the only early Eocene continental vertebrate fauna known from India (e.g., Bajpai et al. 2005; Rana et al. 2005, 2008; Rose et al. 2006, 2008, 2009; Smith et al. 2007; Rage et al. 2008). The fauna comes from the Cambay Shale Formation and has been dated as middle Ypresian (~52 Ma, early Cuisian) based on a common nummulitid foraminiferan from about 15 m above the vertebrate−producing layer (Sahni et al. 2006; Rana et al. 2008). However, a recent study of dinoflagellate cysts from the section suggests that the deposits may be as old as 54–55 Ma (Garg et al. 2008). Although some elements of the fauna, such as anthracobunids and lagomorphs, have Asian affinities, a surprising number of taxa among the snakes, bats, insectivores, primates, rodents, and artiodactyls appear to be most closely related to early Eocene European or North American taxa. This may simply reflect the poor state of knowledge of contemporary south Asian vertebrate faunas; alternatively, it might be evidence of previously unsuspected early Eocene faunal exchange between Europe and southwest Asia. We report here two teeth of a tillodont from Vastan Mine, which constitute the first record of the mammalian order Tillodontia known from India. Despite the much greater generic diversity of tillodonts in Asia than elsewhere, the Vastan tillodont shows clear affinities with Euramerican esthonychines.
    Źródło:
    Acta Palaeontologica Polonica; 2009, 54, 2; 351-355
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Identification of volatile organic compound producing Lignicolous fungal cultures from Gujarat, India
    Autorzy:
    Nagadesi, Praveen Kumar
    Arya, Arun
    Babu, Duvvi Naveen
    Prasad, K. S. M.
    Devi, P. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1178801.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    India
    Lenzites sterioides
    Lignicolous fungi
    Volatile organic compound (VOC)
    Opis:
    This study aims to identify the lignicolous basidiomycetes species that synthetize volatile organic compounds with potential applications in food industry, cosmetics, perfumery and agriculture. We have collected fruiting bodies from different woody plants and the lignicolous basidiomyctes species were identified by their macroscopic and microscopic characteristics. From the context of the fresh fruiting bodies small fragments of dikaryotic mycelium were extracted and inoculated on PDA and MEA media for isolation and pure cultures are kept in dark at a temperature of 25°C. 11 species of lignicolous basidiomycetes, belonging to 6 families and 5 orders were isolated in pure culture. The isolates were analyzed in vitro and the main characteristics that were observed are: the general aspect of the surface and the reverse of the colonies, the changing in colour and the growth rate of the mycelium and also the specific odour which indicates the presence of the organic volatile compounds. for the first time lignicolous fungi like Flavodon flavus (Klotz.) Ryv., Ganoderma lucidum(Curtis) P. Karst, Hexagonia apiaria (Pers.) Fr., Lenzites betulina (L.) Fr. Lenzites eximia Berk. & M.A. Curtis, Lenzites sterioides (Fr.) Ryv., Navisporus floccosus (Bres.) Ryv., Phellinus gilvus (Schwein.) Pat., and Trametes pini (Thore) Britzelm. were producing characteristic smell that indicates presence of Volatile organic compounds. For the first time from Gujarat, India the Volatile organic compound producing fungi were identified and their culture characters also described.
    Źródło:
    World Scientific News; 2017, 90; 150-165
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Early Eocene frogs from Vastan Lignite Mine, Gujarat, India
    Autorzy:
    Folie, A.
    Rana, R.S.
    Rose, K.D.
    Sahni, A.
    Kumar, K.
    Singh, L.
    Smith, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/20353.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Amphibia
    Bombinatoridae
    Ranidae
    Pelobatidae
    Rhacophoridae
    Eocene
    Early Eocene
    frog
    Vastan Lignite Mine
    Gujarat
    India
    Opis:
    The Ypresian Cambay Shale Formation of Vastan Lignite Mine in Gujarat, western India, has yielded a rich vertebrate fauna, including the earliest modern mammals of the Indian subcontinent. Here we describe its assemblage of four frogs, including two new genera and species, based on numerous, diverse and well−preserved ilia and vertebrae. An abundant frog, Eobarbourula delfinoi gen. and sp. nov., with a particular vertebral articulation similar to a zygosphene−zygantrum complex, represents the oldest record of the Bombinatoridae and might have been capable of displaying the Unken reflex. The large non−fossorial pelobatid Eopelobates, known from complete skeletons from the Eocene and Oligocene of Europe, is also identified at Vastan based on a single nearly complete ilium. An abundant “ranid” and a possible rhacophorid Indorana prasadi gen. and sp. nov. represent the earliest records of both families. The Vastan pelobatids and ranids confirm an early worldwide distribution of these families, and the bombinatorids and rhacophorids show possible origins of those clades on the Indian subcontinent.
    Źródło:
    Acta Palaeontologica Polonica; 2013, 58, 3
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An ailuravine rodent from the lower Eocene Cambay Formation at Vastan, western India, and its palaeobiogeographic implications
    Autorzy:
    Rana, R S
    Kumar, K.
    Escarguel, G.
    Sahni, A.
    Rose, K.D.
    Smith, T.
    Singh, H.
    Singh, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/23190.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Ischyromyidae
    Cambay Formation
    paleontology
    Euromys inexpectatus
    Euromys cardosoi
    Rodentia
    Eocene
    India
    Ailuravinae
    Meldimys musak
    Mammalia
    ailuravine rodent
    new species
    Ailuravus michauxi
    rodent
    paleobiogeography
    Western India
    Opis:
    A new ailuravine rodent, Meldimys musak sp. nov. (Mammalia: Rodentia, Ischyromyidae), is recorded from the lower Eocene lignites of western India. It is the oldest record of Rodentia from India. M. musak is more derived than the earliest Eocene ailuravine Euromys cardosoi from Portugal and more generalized than late early Eocene E. inexpectatus and Ailuravus michauxi from France. Its dental morphology closely corresponds to the middle early Eocene species M. louisi, which lived about 52 Ma in Western Europe. Meldimys was previously known only from Europe, and ailuravines were previously reported only from Europe and North America. Its occurrence in India allows the first direct correlation between the early Eocene land mammal horizons of Europe and India, and raises the possibility of a terrestrial faunal exchange between India and Eurasia close to the Palaeocene–Eocene transition.
    Źródło:
    Acta Palaeontologica Polonica; 2008, 53, 1
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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