Sorption of uranium (VI) from aqueous solution onto powdered corn cob has been carried out using batch and fixed-bed technique. The experimental results in batch technique were fitted well with pseudo second-order kinetics model. In the fixed bed technique, Thomas and Bohart-Adams models were evaluated by linear regression analysis for U(VI) uptake in different flow rates, bed heights and initi...

Continuous-flow and batch experiments were conducted using a column reactor system containing Hanford Aquifer material in order to assess the potential of in situ bioremediation of carbon tetrachloride (CT) at the Hanford site in southcentral Washington state. Benzoate and acetate were evaluated as primary substrates both in the presence and absence of nitrate as a potential electron acceptor. ...

Dynamic mapping (matching and scheduling) heuristics for a class of independent tasks using heterogeneous distributed computing systems are studied. Two types of mapping heuristics are considered: immediate mode and batch mode heuristics. Three new heuristics, one for batch mode and two for immediate mode, are introduced as part of this research. Simulation studies are performed to compare thes...

Cell Culture Bioreactors Basic Types of Bioreactors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Stirred Tank (Well Mixed) vs. Tubular Reactor (Plug Flow) . . . . . . . . . . . . . . . . . 3 Segregated Bioreactors (Dead Zone Present) Compartmentalized Bioreactors . . 4 Implication When Growth or Reaction Occurs in the Reactor . . . . . ....

In Desktop grid computing environment, range of computing devices coexists starting from personal computers to supercomputers. These devices are inter-connected to provide a variety of computational capabilities in order to execute applications that have diverse requirements. An important decision for such computing infrastructure is how to optimally allocate computational and communication res...

Active learning sequentially selects unlabeled instances to label with the goal of reducing the effort needed to learn a good classifier. Most previous studies in active learning have focused on selecting one unlabeled instance to label at one time while retraining in each iteration. Recently a few batch mode active learning approaches have been proposed that select a set of most informative un...

The possibility of thermal lensing of dynamically emerging light-absorbing layers at cell surfaces was investigated. Analyte accumulation at a cell surface determines long-term changes in the thermal-lens signal that was used as a source of analytical information to enhance sensitivity of thermal lensing. Considering the rate of accumulation as an additional analytical signal, we achieved a thr...

Bayesian Optimization (BO) aims at optimizing an unknown function that is costly to evaluate. We focus on applications where concurrent function evaluations are possible. In such cases, BO could choose to either sequentially evaluate the function (sequential mode) or evaluate the function at a batch of multiple inputs at once (batch mode). The sequential mode generally leads to better optimizat...

Numerous initiatives have been undertaken to circumvent the problem of antibiotic resistance, including the development of new antibiotics, the use of narrow spectrum antibiotics, and the reduction of inappropriate antibiotic use. We propose an alternative but complimentary approach to reduce antibiotic resistant bacteria (ARB) by implementing more stringent technologies for treating municipal ...