نتایج جستجو برای: extrusion processes
تعداد نتایج: 539234 فیلتر نتایج به سال:
Outbreaks of salmonellosis and recalls of low-moisture foods including extruded products highlight the need for the food and feed industries to validate their extrusion processes to ensure the destruction of pathogenic microorganisms. Response surface methodology was employed to study the effect of moisture and temperature on inactivation by extrusion of Enterococcus faecium NRRL B-2354 in a c...
Direct Writing (DW), also known as Robocasting, is an extrusion-based layer-by-layer manufacturing technique suitable for complex geometries. Different types of materials such metals, composites, ceramics, biomaterials, and shape memory alloys can be used DW. The simplicity cost-efficiency DW makes it convenient different applications, from biomedical to optics. Recent studies on show a tendenc...
To preserve epithelial barrier function, dying cells are squeezed out of an epithelium by "apoptotic cell extrusion." Specifically, a cell destined for apoptosis signals its live neighboring epithelial cells to form and contract a ring of actin and myosin II that squeezes the dying cell out of the epithelial sheet. Although most apoptotic cells extrude apically, we find that some exit basally. ...
This paper reports on an experimental and finite element analysis (FEA) of the cold extrusion of high-grade (AA1100) aluminium. The influence of die angle, reduction ratio and die land on the extrusion force during the extrusion process was investigated. A forward extrusion die was designed and manufactured for the purpose of the experimental research. Interchangeable elements of the extrusion ...
After a spermatozoon enters the egg, rapid processes such as the cortical granules exocytosis (CGE) occur. Other, later processes are observed as well, and they include resumption of the second meiotic division, second polar body (PBII) extrusion and rearrangement of the DNA inside the pronuclei (PN). The above mentioned biochemical processes involve signal transduction pathways that are well k...
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