نتایج جستجو برای: semisolid processing
تعداد نتایج: 500418 فیلتر نتایج به سال:
of ill vitro release testing as a QA tool to ensure batch-to-batch uniformity has been gaining both increasing popularity and contempt in the pharmaceutical industry. Regardless of views and opinions, it is worthwhile to be prepared to conduct such studies if necessary. Currently, the most publicized methods use horizontal ("Franz or Modified Franz") diffusion cells, with an artificial support ...
The 3D printing thixo-forming process is a method that utilizes semisolid thixotropic feedstock for layer extrusion by controlling viscosity below the complete melting temperature of metallic alloys to form structure. producing has significant impact on alloy microstructure, which critical material’s printability. This study aims propose heat treatment processing window Pb-40% Sn use as billets...
The use of two semisolid media (semisolid Rappaport and semisolid Rappaport-Vassiliadis) for the isolation of Salmonella spp. from coastal waters was compared with the use of conventional media. Two hundred and fifty six samples were studied; Salmonella spp. were detected in 83. The semisolid media were the most sensitive, detecting 73 samples instead of the 53 detected by the conventional medi...
بررسی ارزش غذایی تاغ و عمل آوری آن با سود و آهک در مراحل مختلف رشدبا استفاده از روش کیسه های نایلونی
abstract this study is carried out to determine the chemical composition in the three vegetative stages of the haloxylon sp., degradation parameters, with adding naoh and ca(oh2 ). for this purpose, in may and october and january 2010 enough some haloxylon sp. of the ammary area was prepared. crude protein and ash percentage are decrease, neutral detergent fiber percentage with pragress stage ...
Metal casting is an industrially important manufacturing process offering a superior combination of design flexibility, productivity and cost-effectiveness, but has limitations due to filling related defects. Several semisolid processes are available capable at range solid fractions overcome this. The current communication aims review the front behaviour give new perspective gate in processing ...
Semisolid metal processing is a relatively new technology that offers several advantages over liquid processing and solid processing because of the unique behaviour and characteristic microstructure of metals in this state. With the aim of finding a minimum process chain for the manufacture of high-quality production at minimal cost for forming, the microstructural evolution of the ledeburitic ...
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