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This paper gives the basic understanding of compilers. The beginning of paper explain the term compiler followed by its working, need and knowledge required in building compilers. Further we have explained the different types of compiler and the application of compilers. The paper shows the study of different types of compilers.Thus, going through this paper one will end up with a good understanding of compilers and their future aspect.
Abstract
An ethnomedicinal plant, Pterolobium hexapetalum (Roth) Santapau & Wag (Leguminosae) was analyzed for antimicrobial activity. Bioassay of antimicrobial activity of hexane, chloroform and ethanol leaf extract showed significant activity against the human pathogens such as Proteus vulgaris, Pseudomonas aeruginosa causing urinary tract infections and septicaemia, Salmonella typhi causing typhoid fever, Vibrio species causing diarrheal infections and the fungus Candida albicans. The antimicrobial activity expressed the concentration-dependent against all the tested microorganisms. Ethanol extracts exhibited the highest antimicrobial activity. The present findings provide an authentic scientific evidence for the traditional usages by various tribes in India. The bioactive compounds responsible for these antimicrobial activities against the tested microorganisms should be isolated and identified to develop a new lead of therapeutic interest.
A6Preliminary Phytochemical Screening and Antimicrobial activity pdf
Abstract
The present research work is about the melissopalynological studies of from honey samples of Apis florae collected from different places of Western Ghats. All the samples of multifloral type around 32 pollen morphotypes are observed from there four honey samples. Pollen of Acacia is the one represented in all the samples. Among the four honey samples H1 shows the maximum number (22) of pollen morphotypes to conclude this study shows the forage behavior of Apis florae.
Abstract
This paper describes Tidy FS, a simple and small distributed file system that provides the abstractions necessary for data parallel computations on clusters. In recent years there has been an explosion of interest in computing using clusters of commodity, shared nothing computers.Frequently the primary I/O workload for such clusters is generated by a distributed execution engine such as Map Reduce, or Dryad, and is high-throughput, sequential, and read-mostly. Other large-scale distributed file systems have emerged to meet these workloads, notably the Google File System (GFS) and the Hadoop Distributed File System (HDFS). Tidy FS differs from these earlier systems mostly by being simpler. The system avoids complex replication protocols and read/write code paths by exploiting properties of the workload such as the absence of concurrent writes to a file by multiple clients ,and the existence of end-to-end fault tolerance in the execution engine. We describe the design of Tidy FS and report some of our experiences operating the system over the past year for a community of a few dozen users. We note some advantages that stem from the system’s simplicity and also enumerate lessons learned from our design choices that point out areas for future development.
Abstract
A field experiment was carried out the pearl millet (Pennisetum americanum L., Leeke) in a mixture of garden soil, manure, and sand (1:1:1) to investigate the effects of supplementary calcium carbonate on plants grown at high NaCl concentration (50 mM). The treatments were: (i) control, (ii)NaCl treatment alone (50 mM); (iii) combined salt (50mM NaCl+10mM CaCo3). The plants grown under NaCl stress produced low fresh and dry weight and relative water content that those grown in control plants. Supplemental calcium carbonate added to NaCl treated plants significantly improved the growth and physiolocal differences affected by stress (e.g. plant growth, and membrane permeability) and also increase the K+ , Ca2+ , and N content in pearl millet. The effects of supplemental CaCO3 in maintaining membrane permeability, increase the content of Ca2+ , N and K+ and reduce the content of Na+ in pearl millet crops production caused by high NaCl salinity.
A3 Role of calcium carbonate on growth, membrane stability pdf
Abstract
The development of the Internet during the past four decades had a profound impact on society in general, and on the field of library and information science in particular. This technology has involved processes, functions, services, media and information resources: the library as a whole. Its use has changed the fundamental roles, paradigms, and organizational culture of libraries and librarians. Today, library professionals are using it to provide library and information services to library clients. It is being used to provide access to electronic library collections, electronic reference services, electronic document delivery, and communicate with library users. Hundreds of discussion groups on various topics related to library and information work, electronic journals, and Web sites are also available on the Internet. Therefore, library professionals also have an opportunity to use the Internet for professional development and upgrading their skills.
A2 A STUDY OF INTERNET USAGE AMONG LIBRARY PROFESSIONALS pdf
Abstract
The effectiveness and efficiency of Chlorophyll mutants were observed in treated material of Sorghum with gamma rays and EMS. The study was undertaken in sorghum (Sorghum bicolor (L.) Moench) variety CSV-23 to access the efficiency and effectiveness of Physical and chemical mutagens. EMS treatment were found highly effective than the gamma rays. Mutagened effectiveness and efficiency decreased with increased in all mutagenic treatments. In general the mutation frequency was high in M1 plants than M2.
A 1Effectiveness and efficiency of Chemical and Physical Mutagens pdf