Aim: The objective of this study was to isolate microbial species having the ability for production of invertase enzyme and to study some optimal culture conditions for maximum invertase production by an isolate of Aspergillus niger OSH5 which showed the highest invertase activit...
Open access
Research Article10.9734/BMRJ/2015/11539
This paper solves a stochastic three-level decision maker’s model. This approach uses stochastic parameters in the objective function to solve a three level quadratic programming problem. The probabilistic nature of the objective functions is converted to an equivalence determini...
Open access
Research Article10.9734/BJMCS/2015/19962
This paper presents a fuzzy approach for solving a three-decision maker’s model and presents how to solve three–level chance constraints quadratic programming problem. After converting probabilistic nature of the constraints to equivalence deterministic constraints each level att...
Open access
Research Article10.9734/BJMCS/2015/14586
The suitability of a Nigerian bentonitic (Ubakala) clay material to be used as drilling mud for oil well drilling was investigated, with Wyoming bentonite being used as a standard. Particle size distribution, Cation Exchange Capacity of the sample were determined and compared. X-...
Open access
Research Article10.9734/BJAST/2011/407