Recent Patents on Engineering - Volume 2, Issue 1, 2008

In general, there are three ways of generating microbubbles. The most common class uses compression of the air stream to dissolve air into liquid, which is subsequently released through a specially designed nozzle system, to nucleate small bubbles as potentially nanobubbles, based on the cavitation principle. These bubbles subsequently grow into much larger bubbles through the rapid dissolution of the supersaturated liqui Read More

Supercritical fluid techniques for materials precipitation have been proposed as an alternative to conventional precipitation processes as they can improve the performance of these processes in terms of reduction of particle size and control of morphology and particle size distribution, without degradation or contamination of the product. These techniques have received much attention during the last years, and their feasibility Read More

Controlled drug release and drug delivery are always emerged as the area to which medicinal technology is extensively inclined. Thanks to the latest inventions and all the patents in the ambit of drug delivery, powder technology and granular science which provide the pathway to effectively control the diseases in conjunction with the latest available techniques. In this paper, exploration of various latest processes and method Read More

Compared with suspended microorganism technology, immobilized microorganism technology possesses many advantages, such as high biomass, high metabolic activity, and strong resistance to toxic chemicals, and so on. This review presents the state of the art of various immobilized microorganism methods as well as immobilization microorganism carriers whose engineering applications are mainly focused on biorea Read More

A large amount of finite elements have been developed for finite element analysis of laminated composite plates. The laminated plate theories are reviewed and summarized in this paper. The focus of this review is on the recently developed laminated finite elements since 1990. The 2-D triangular and quadrilateral displacement-based and mixed/hybrid-based finite element models, which were developed based on the firs Read More

Since recent past the research on biodiesel production and processing has got high momentum as evidenced from the large number of publications and patents on the subject. Many novel and improved protocols based on chemical, physical, and biological approaches have been reported that addresses the critical issues related to biodiesel production, recovery, purification, and associated recovery of high valued Read More

Transmultiplexer is a major component of multicarrier communication system. Traditionally, it was implemented using SSB modulator and analog filters. But due to the limitation of high level of cross talk and interference in analog device, it has been replaced by DFT based transmultiplexer system. DFT based transmultiplexer comprises digital filter bank and multirate devices to provides better reduction in interference and c Read More

Full text available