نتایج جستجو برای: membrane materials
تعداد نتایج: 812920 فیلتر نتایج به سال:
Currently, membrane filters, which need to be replaced regularly as they get worn, are used in filtration facilities globally. The old filters and housings become continuous industrial waste currently 100% incinerated. To solve this environmental problem, study proposes the development of an eco-friendly concrete by mixing resources with concrete. Through this, pollution wastage due incineratio...
Hollow fiber membrane contactors have been applied in various industries e.g. chemistry, petroleum, biotechnology and medicine. They are also widely used in artificial organs e.g. artificial lung, kidney and liver as well as some pharmaceutical procedures such as separation and purification of biological materials. Intrinsic properties of hollow fiber membranes, such as high packing density and...
Water, among the most valuable natural resources available on earth, is under serious threat as a result of undesirable human activities: for example, marine dumping, atmospheric deposition, domestic, industrial and agricultural practices. Optimizing current methodologies and developing new and effective techniques to remove contaminants from water is the current focus of interest, in order to ...
statement of the problem: recently allogenic mesenchymal stem cells are proposed to have multipotential progenitor cell capabilities to differentiate into cementoblasts, osteoblasts, and periodontal ligament fibroblasts. purpose: the aim of the present study was to compare the efficacy of human umbilical stem cells cultured on polylactic acid (pla), polyglycolic acid (pga) membrane with pla/pga...
in this study the catalytic dehydrogenation of ethylbenzene to styrene was investigated in a simulated tubular sodalite membrane reactor. the high quality microporous sodalite membrane was synthesized by direct hydrothermal method and characterized by single gas permeation measurements. the performance of the prepared membrane showed high potential for application in a dehydrogenation membrane ...
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