Non-degradable persistent trace metals are the most problematic to the environment in the present decade; copper is one of the major toxic metal which is present in many industrial effluents. In this present study, the sorption and transport behavior of copper in sandy soil has been studied by laboratory batch, column and aquifer model experiments....

Char-lands of Northwestern part of Bangladesh, is one step more undeveloped then the main land of Bangladesh. As well as Bangladesh is a developing country itself, where the char-lands has treated as a different entity rather than the main land....

India is the home to more than 500 flowering plants that can yield dyes. Though there is a large plant resource base, little has been exploited so far....

To check rapidly deteriorating environmental conditions, many management tools are being used by different industries. In order to address environmental issues the corporate sector has seen a drastic increase in the use of environmental management systems....

Tolly\"\"s Nullah is fed with fresh water during flood- tidal flush of the Hooghly (Ganga) River. Tolly\"\"s Nullah, running through the southern part of Kolkata metropolis is subjected to the influx of effluents from domestic sewage and rainwater run-off....

In this study, various cost items related to cost of cultivation of tomato are examined. These are cost of labour, cost of ploughing, cost of seedling, cost of manure & fertilizer, cost of irrigation, cost of insecticide & pesticide, and miscellaneous expenses. These are productive costs. The non productive cost is interest on working capital....

So far a detailed study on Heterojunction Bipolar Transistor made of Inp/InGaAs with nearly Gaussian Base doping profile , has not been done .Because of that a detailed study on Inp-InGaAs HBT is presented in this work. Two important factors for determining the performance of a transistor are base transit time and current gain (?)....

This book is designed to cater to all the needs of all categories of students learning microbiology in various disciplines - life sciences, agriculture, engineering and technology,medicine etc.I invite the readers for the wonderful and exciting world of microbiology and learn the experiments to maximum possible with ease and pleasure....

Venture Capital is the utmost significant financing for the brain-capital based software developing enterprises in Kolkata and the author thinks it is an emerging issue for the knowledge-capital intensive society like ours. Essence of Venture Capital has emerged in any part of the global village since the end part of the 20th Century....