منابع مشابه
Development of an automatic vacuum degassing system and parameters optimization for degassing process
Rapid tooling technology is regarded as an important method of reducing the cost and time to market in a new product development process. Silicone rubber mold is frequently used in indirect tooling. Automatic vacuum casting system is widely used to degas in the manufacturing of silicon rubber mold, but the cost of hardware is very expensive. A low-cost automatic vacuum degassing system is desig...
متن کاملInfluence of degassing on hot-melt extrusion process.
The present study aimed to evaluate the effect of degassing on an extrusion process, with respect to extrudate quality and drug release properties. Processed formulations were extruded with and without a degassing vent port at various locations along the barrel. All the experiments were performed under constant processing temperature, feeding rate, and screw speed. During the extrusion process,...
متن کاملSome Applications of Strong Product
Let G and H be graphs. The strong product GH of graphs G and H is the graph with vertex set V(G)V(H) and u=(u1, v1) is adjacent with v= (u2, v2) whenever (v1 = v2 and u1 is adjacent with u2) or (u1 = u2 and v1 is adjacent with v2) or (u1 is adjacent with u2 and v1 is adjacent with v2). In this paper, we first collect the earlier results about strong product and then we present applications of ...
متن کاملInductive Proofs with Sets, and Some Applications in Process Algebra
We formalise proofs by structural induction on sets, speciied as an algebraic data type. The core idea is that the standard scheme for constructor induction can be used for the derivation of alternative schemes. This way, considerable exibility can be obtained for proofs in the inductive theory for the sets. For more general purposes we formulate a rule for`hybrid' induction, which allows a var...
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ژورنال
عنوان ژورنال: Tetsu-to-Hagane
سال: 1977
ISSN: 0021-1575,1883-2954
DOI: 10.2355/tetsutohagane1955.63.13_2028