相对论告诉我们的一件事是长度的收缩。
烧结零件可以实现尺寸控制，因为注塑密度明显均匀，所以烧结收缩也是均匀的。
Dimensional control can be exercised on the as-sintered component as the injected density is sensibly uniform so shrinkage on sintering is also uniform.
通径收缩能使零件尺寸缩小，开、闭所需力相应减小，同时可扩大零部件的应用范围。
Path shrink parts sizes shrink, open and close the required power is reduced, at the same time expand the scope of application components.
在光栅固定件中至少设置一个挠曲连接部，它允许基片热膨胀和收缩。
At least one flexure joint is provided in the grating mount which permits thermal expansion and contraction of the substrate.
高压压缩了聚合物并能使更多的材料流人模腔。这样，“收缩”就减少了，生产的成型件的质量就得以提高。
The pressure compresses the polymer and allows more materials to flow into the mold. Shrinkage is reduced and better quality moldings are produced.
本文主要讨论了初始温度场和铸型硬度对消失模铸造球墨铸铁件收缩缺陷的影响。
Influence of the initial temperature fields and mold hardness on the shrinkage defect of ductile iron casting by EPC process was mainly investigated in this paper.
塑件的尺寸公差不能低于收缩率的10%。
The dimensional tolerance of plastic parts shall not be less than 10% of shrinkage.
通过模拟实验结果曲线的分析表明，塑件的结构特征及浇口位置与数量的变化，对塑件的成型收缩具有重要影响，并且有一定的规律可寻。
Structures and place and number of molding gate have effect on molding shrinkage by analyzing results of simulation experiments, and have many laws.
因此，如果在大气压下向模子充料，成型件会因“收缩”而与模子的形状形成偏差。
Therefore, if molds were filled at atmospheric pressure, "shrinkage" would make the molding deviate from the SHAPE of the mold.
本文分析了注塑成型过程中简单收缩、冷却、分子取向等因素对注塑件变形的影响。
This paper discusses the three factors that affect the deformation of injection molded parts:simple nonuniform shrinkage, part cooling and molecular orientation.
两种材料通过高分子尼龙件连接，解决了木材和金属收缩系数不同的问题。
The two kinds of materials are connected together by macro-molecular nylon pieces, which eliminate the problem of the coefficient difference of shrinkage of wood and metal.
这些疤痕还提醒我，在空虚的文化群落，我们的虚荣心有时也需要穿刺，需要收缩——这不是一件坏事。
The scars remind me, too, that in this vain culture our vanity sometimes needs to be punctured and deflated - and that's not such a bad thing.
通过采用真空烧结和氢气气氛烧结、改变烧结升温速率和烧结温度，对比了烧结件的烧结质量和烧结收缩等情况。
The sintering quality and shrinkage of the sintering parts were compared under vacuum or hydrogen atmosphere and different sintering temperature and heating rate.
为了成形大断面收缩率轴类零件，进行了楔横轧二次楔入试验。
Experimental study on limit-section shrinkage of one wedge in cross wedge rolling;
为了成形大断面收缩率轴类零件，进行了楔横轧二次楔入试验。
For the sake of the axis accessory's figuration, the experiment of second wedge heavy section shrinkage was carried out.
根据塑料注射成型流动过程的特点，认为塑件的收缩是以浇口为收缩中心，据此分析了塑料齿轮的收缩规律，并进行了实验验证。
According to the procedure of injection molding, this paper presents a thought that the gate is the shrinking center of plastic products.
对于一个绞接处接头，从移开足够的绝缘开始，再滑移一件热收缩管装到需焊接的线束上。
For a splice, start by removing a sufficient amount of insulation and sliding a piece of shrink wrap onto the wires to be soldered.
根据体收缩原则，研究了适用于模具镶块铸钢件加发热覆盖剂保温的冒口设计工艺。
Based on the principle of volume contraction of freezing, the designing process of riser fitting to the cast steel inserted die with exothermic covering flux has been studied.
对我们而言，能够透过一次偶然的发现，将有关收缩、舒张和休克的细胞与分子机制等不同脉络的知识结合在一起，是件非常令人兴奋的事。
It has been very exciting for us to see the different threads of knowledge about the cellular and molecular mechanisms of constriction, dilation and shock come together through a chance observation.
研究了塑件“主特征”和“限定特征”对成型收缩的影响关系，建立了考虑塑件结构特征影响的收缩关系表达式。
Mutual relation on molding shrinkage between central character and restriction character is studied, and connection formula is established.
在此基础上，利用有限元分析软件定性地分析了杆件的焊接收缩变形对隔震支座的水平变形影响。
On that basis, using finite element analysis software, a qualitative analysis was accomplished about the influence of the welding contraction deformation on the bearings deformation.
随着激光单脉冲能量输入的增加，焊接件的横向收缩变形和失稳变形变大。
With the single-pulse laser energy input increasing, the transverse shrinkage and buckling distortion are improved.
常见典型几何形状塑件收缩特性的研究，对此类典型几何形状塑件对应的成型零件工作尺寸计算有着重要的指导意义。
The research has the directive significance to calculate the working dimensions for the injection molding parts of these typical shape.
两种材料通过高分子尼龙件连接，充分照顾了木材和金属收缩系数不同的属性。
Two materials combined through the technique by macromolecules, on the basis of the different shrinkages from aluminum and the wood.
由于球铁的收缩大于膨胀，球铁件铸造必需外部补缩。
Since contraction of nodular iron is bigger than its expansion nodular iron castings must be fed from outside to prevent shrinkage defect.
注塑件变形始于塑料的收缩，型腔中压力梯度、温度梯度以及剪切应力的客观存在导致了注塑件各部位收缩的不均一。
Plastics shrinkage causes the deformation of injection molded parts. The pressure gradient, temperature gradient and shear stress in the cavity make nonuniform shrinkage.
一般要求的塑料制品通常只按有关手册或资料大致确定塑料收缩率的大小，精密要求较高的塑料制品要求制作样条模来验证塑件的正确收缩率。
Shrinkage is one of the main factors influencing the plastic product size precision, was indeed molding mold design size of the main parameters.
一般要求的塑料制品通常只按有关手册或资料大致确定塑料收缩率的大小，精密要求较高的塑料制品要求制作样条模来验证塑件的正确收缩率。
Shrinkage is one of the main factors influencing the plastic product size precision, was indeed molding mold design size of the main parameters.
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