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plastic process
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  塑性加工
     The plastic process analyses on uniform and non uniform cylindrical upsetting were made in detail on the basis of the principle of generalized variational inequality with friction.
     基于摩擦约束广义变分不等式原理 ,对圆柱体均匀镦粗和圆柱体非均匀镦粗等金属成形工艺问题进行详细的塑性加工工步分析。
短句来源
     Round Ring Coordinate of Axial Symmetry and Its Application to Plastic Process
     圆环坐标系的建立及其在塑性加工中的应用
短句来源
     Tube plastic forming has been an important research direction of the 21~(st) century in advanced plastic process techniques as the result of its characteristic of light weight, high ductility, low consumption and precise production.
     管材塑性加工由于具备塑性加工产品的轻量化、强韧性和低消耗、精确制造等特点,已经成为21世纪先进塑性加工技术的重要研究方向。
短句来源
     The plastic process analyses on rectangular plate upsetting were made in detail on the basis of the principle of generalized variational inequality subjected to friction.
     基于摩擦约束广义变分不等式原理 ,对长矩形板镦粗进行详细的塑性加工工步分析。
短句来源
     The application of the numerical simulation technique to the plastic process is the key issue to upgrade the plastic process level.
     如何将数值模拟技术应用于塑性加工过程,是提高塑性加工科学水平的关键。
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  塑料加工
     The Application of Vibration Using Engineering in Plastic Process and Its Development Trend
     振动利用工程在塑料加工中的应用及其发展趋势
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     Theory of Photosensitivity Rapid Prototyping and Application in Plastic Process
     UV固化快速成型原理及在塑料加工中的应用
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     Structure, property, preparation, research development of phosphite antioxidants and their application in plastic process and consumption in domestic and international were introduced, and the market prospect for compound phosphite antioxidants were described.
     简述了亚磷酸酯抗氧剂的结构、性能、制备方法、开发进展及在塑料加工中的使用效果、国内外需求状况,介绍了亚磷酸酯复合抗氧剂及其主要衍生产品的市场前景,并提出开发建议。
短句来源
     Plastic's raw material, process acid medicament and plastic process machine are plastic industry's three biggest essential elements.
     塑料原材料、加工助剂和塑料加工机械是构成塑料产业的三大基本要素。
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  “plastic process”译为未确定词的双语例句
     Within the context, it will be essential to further understand the genetic profiles from plastic process and understand the contributions of gene and environment to phenotypes.
     因此,进一步理解可塑性过程的基因背景、理解基因和环境对表型的作用非常必要。
短句来源
     For the fact of impact plastic in oil field, the elasticity and plasticity mechanics^ contact non-lined and lined theory were combined to cell disperse using line finite, the casing model of mechanics and finite, the distortion and plastic process were calculated with the Newton-Raphson and the load increment. The strength and distortion for the casing impact plastic were analyzed by the numbers.
     根据现场套管冲击整形的实际情况,结合弹塑性力学及接触非线性和有限元理论,运用有限元法进行单元离散,建立了整形器与变形套管的力学模型和有限元接触模型,采用Newton-Raphson方法和载荷增量法计算其变形和整形过程。
短句来源
     The previous two factors are constant during the process of injection molding, only the plastic process parameters can be regulated by the operator with the injection process and experience knowledge.
     在制品的注塑过程中,前两个方面都是固定的,只有注塑参数可以由操作者根据注塑情况和经验知识进行调整。
短句来源
     e. the plastic process inwhich a number of dislocations were emitted from the crack-tip by crack-tip deformationand the brittle process in which the cleavage of DFZ occured.
     裂纹扩展包括裂尖发射位错的塑性过程以及 DFZ 解理的脆性过程。
短句来源
     In order to expand the use of the datacollecting system for CSS 1110 electronic testing machine, a datacollecting and processing software is developed by using the C Programming Language. With the software, testing and processing of various data can be carried out, including large plastic process such as immonotonous process.
     为扩展CSS-1110试验机数据采集系统软件的应用范围,用C语言进行软件开发,实现包括非单调的大塑性变形过程等各类试验数据的测试与处理。
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  plastic process
We conclude that the vascularization of a developing mammalian embryo is a plastic process dependent on the dynamic interaction between fundamental genetic and physiological factors.
      
The authors suggest that change of trace elements in serum and tissue might be useful and significant as biomarkers involving the initial plastic process.
      
This is when a second phase of the sugar-based plastic process begins.
      
Plastic process machinery, compression moulding machine, Hand operated different parts and their respective function.
      
Plastic process of severe-osteotylus-absorbed The plastic process of severe-osteotylus-absorbed is shown in Figure 8.
      
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In view of the non-existence of mechanical state function for plasticity, it is attemped in this paper to investigate the thermodynamics of plasticity in terms of dislocational ther-modynamic functions such as :U=U (s.V.m.n) .........internal energys = s (T.V.m.n.) ..........entropyF = (U-Ts) = F(T.V.m.n) ........free energy (Hemholtz)m + nn0=constant ;m, n and n0 - number of atoms in good region, of dislocations, and of atoms per dislocation ;V - plastically incompressible volume of the metal. The results obtained...

In view of the non-existence of mechanical state function for plasticity, it is attemped in this paper to investigate the thermodynamics of plasticity in terms of dislocational ther-modynamic functions such as :U=U (s.V.m.n) .........internal energys = s (T.V.m.n.) ..........entropyF = (U-Ts) = F(T.V.m.n) ........free energy (Hemholtz)m + nn0=constant ;m, n and n0 - number of atoms in good region, of dislocations, and of atoms per dislocation ;V - plastically incompressible volume of the metal. The results obtained are : (1) dFT is expressed in terms of entropy production (dis>0) and in terms of dissipation ( >0, >0),dFT = - dA - TdiS = ( - 8A - ) < 0........unloadingdFT = + A - Tdis = (+ A - ) > 0....... loadingwith:= TdiS; A = iS;A - work of deformation.(2)For thermodynamical stress - strain cycle (Th) :(3)For non-thermodynamical stress-strain cycle (M) :non-thermodynamical cycle;perpetual free-energy-machine. does not exist,therefore :total dissipation in the cycle.(4) No matter the stress - strain cycle is thermodynamieal or not, the cyclic work is always plastic and positive, and the absolute value of work is always greater in loading than in unloading. The only difference is that the plastic work is dissipated completely or partially.In as much as the state function of elasticity cannot be extended to plasticity and the state function of this paper reflects the dislocational nature of plastic processes of metal, perhaps the theory of this paper may afford a thermodynamic fundation for plasticity.

由于弹性学的热力学函数不能对塑性学推广,本文用以位错为基础的热力学函数反映了塑性现象的位错实质,并以此热力学函数建立了金属恒温弹塑性力学过程的热力学基本方程,即赫姆霍兹自由能变化dF_T的熵产生表达、耗散表达及熵产生与耗散之间的关系;对于恒温弹塑性应力-应变循环,证明了无论它是否为热力学循环,循环功都是正塑性功,加载功常大于卸载功;对于热力学循环,塑性功全部耗散;对于非热力学循环,因自由能永动机不存在,塑性功未全部耗散.本文理论很可能为金属塑性力学过程研究提供一个不可逆过程热力学基础.

The article introduces general situation of the development, production nd comsumption of engineering plastics abroad in 1987~1988, and the developments and aapplications of the general engineering plastics, special engineering plastics and their alloys.Several new plastics processes are described em-phatieally in accordance with the new developing tendency. Finally, the developing direction of engineering plastics and processing techniques are prospected.

本文介绍1987~1988年国外工程塑料的研究、生产和消费概况,以及通用工程塑料和特种工程塑料及其合金的开发和应用。並以成型技术的新发展趋势,着重介绍几种新的加工技术。最后展望工程塑料的研究方向和成型技术的发展。

Rotary forging is a new technology in plastic process.It is a non-symmetrical and continuous plastic deformation.In this paper, first by means of measuring friction turning moment and caculate the friction factor.This result may be refered in design of the equipment and the technology.

摆动辗压是一种新兴的塑性加工工艺,属于非对称连续塑性变形。本文首次通过测量摩擦扭距间接计算出摩擦系数,其结果可作为摆辗设备及工艺设计的参考。

 
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