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Summary  

An analysis of 2058 papers published by Chinese authors and 2678 papers published by Indian authors in the field of computer science during 1971-2000 indicates that India's output is significantly higher than the Chinese output. However, China is catching up fast. Chinese researchers prefer to publish their research results in domestic journals, while Indian researchers prefer to publish their research results in journals published in the advanced countries of the West. Also the share of papers in journals covered by SCI for India was higher than from China. However, no significant difference has been observed in the impact of the research output of the two countries as seen by different impact indicators. Team research is more common in India as compared to China.

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Abstract  

An analysis of 3174 papers published in journals in the field of laserscience and technology indicate that only 401 papers were single authoredand the rest 2773 were co-authored papers. Of the 2773 papers, only 687 werewritten in local (inter-departmental), domestic (inter-institutional) andinternational collaboration. As reflected by the values of collaborative coefficientand co-authorship index, it is observed that the proportion of mega-authoredpapers for Japan, France, Italy, and the Netherlands was more, while for Canada,China, and Australia the proportion of single authored papers was more. Mostof the collaborative papers had bilateral domestic and international collaboration.Domestic collaborations were higher for USA, Japan, France and Australia,while international collaboration was higher for China, Israel, the Netherlands,and Switzerland.

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Summary  

An analysis of 16891 publications published by Indian scientists during 1993-2002 and indexed by Science Citation Index Expanded (Web of Science) indicates that the publication output in the agricultural sciences is on the decline since 1998 onwards.  'Dairy and animal sciences' followed by 'veterinary sciences' constitute the largest component of the Indian agricultural research output. Agricultural universities and institutes under the aegis of Indian Council of Agricultural Research (ICAR) are the major producers of research output. Most of the papers have been published in domestic journals and in low normalized impact factor journals with a low rate of citation per paper. Most of the highly productive institutions are either agricultural universities or the institutes under the aegis of ICAR. Most of the prolific authors are from the highly productive institutions. However, only a few highly cited authors are from highly productive institutions. 

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Scientometrics
Authors:
K. C. Garg
,
B. M. Gupta
,
Tabassum Jamal
,
Santanu Roy
, and
Suresh Kumar

Summary An analysis of 330 questionnaires received from project investigators funded by AICTE indicates that project investigators preferred to present their research results at conferences rather than in national and international journals. Impact of funding has been better on human resource capability development as compared to research and technological output. Analysis of data using data envelopment analysis indicates that projects funded under electronics and communication engineering, mechanical engineering, electrical engineering and management displayed some consistency and uniformity with regard to impact on various output parameters.

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The study was undertaken to increase the shelf-life of fruits of guava (Psidium guajava L. cultivar Banarsi Surkha). Uniform size and healthy fruits at green mature stage from winter season crop were exposed at atmospheric pressure to vapours of absolute ethanol and acetic acid for 2 h and hot water (vapour heat treatment) for 10 min. In the present investigation, only ethanol vapour treatment proved to be promising in enhancing the shelf-life of guava fruits, as other treatments showed phytotoxic effect. Ethanol treated fruits showed smaller weight loss and higher flesh firmness during storage. The activities of polygalacturonase, ß-galactosidase and cellulase were decreased by all the vapour treatments, however, ethanol was the most effective. It also reduced ethylene evolution and the contents of total soluble solids and ascorbic acid. All the vapour treatments could effectively decrease the mold colony forming units of surface microflora and eliminate coliforms. The results are discussed in relation to the mode of action of these vapours in delaying ripening of fruits.

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