收缩率

研究了WNiCu高比重合金注射成形工艺过程收缩率和性能。

Shrinkage and characteristics of sintered W Ni Cu heavy alloy were studied .

低沸水收缩率PETFDY的生产

The production of low boiling water shrinkage PET FDY

PA成型收缩率与注射工艺条件的关系

Ralation Between Molding Shrinkage for PA Processing and the Injection Conditions

Z向断面收缩率与塑性夹杂物级别的关系

Dependence of Z-direction Section Shrinkage on Plastic Inclusion Level

结果表明，ML对胶料的硫化速度影响不大，但对加工工艺有影响：随ML的增高，胶料的压出膨胀率、收缩率和能耗均增大；

The results showed that ML had less effect on vulcanization rate , while had effect on processing .

利用线性收缩率、致密度以及晶粒度等参数探讨YAG烧结体烧结性能。

And the sintering performance is studied by the linear shrinkage , density and grain size .

但其冲击强度较小，拉伸强度偏低，并且成型收缩率较大，这就大大限制了PP的应用。

However , it has limited impact strength and large mold shrinkage , which greatly limit its application .

D组的贮脂细胞收缩率为17.7%，低于C组（P<0.05）；

The percentage of contracted fat storing cells in the group D ( 17.7 % ) was lower than in the group C ( P < 0.05 ) .

RPC的长期收缩率远小于普通混凝土。

After long period , the RPC shows even less shrinkage than normal concrete .

光束钎焊对接接头的断裂强度σb、相对延伸率δ、断面收缩率ψ均低于被钎焊母材。

The breaking strength σ b , relative elongation δ and fracture surface shrinkage ψ of butt joint by light beam brazing are lower than those of brazed base material .

研究结果表明，PC的尺寸稳定性较好，收缩率为0.3%～0.8%；流动性好的PC比流动性差的收缩率大；

The results showed that the range of shrinkage of PC is 0.003-0.008 . The better the fluidity of PC , the bigger its shrinkage .

采用参量变换法研究了PVA和甘油含量分别对纤维密度和收缩率的影响；

The influence on fibers density and shrinkage by PVA and glycerin content is studied via parameter-transformation procession .

中高沸水收缩率涤纶FDY生产工艺探讨

Discussion on production technology for med-high boiling rate of pet FDY

研究了熔体流动性、分子取向、填料等因素对聚碳酸酯（PC）成型收缩率的影响。

The effects of the fluidity of polymers melt , orientation , and the filler in the polymer on shrinkage of Polycarbonates were studied in this paper .

牵伸工艺对涤纶FDY沸水收缩率的影响

Influences of the BWS of pet FDY from drawing technology

本文采用多元组分对PP进行了协同改性，以期制备高强、高韧且成型收缩率较小的改性聚丙烯复合材料。

In order to get PP composites with low mold shrinkage and high strength and toughness , multi-components were adopted in this work to co-modify PP.

低模温注射成型的PET/MFMB制品退火处理收缩率比纯PET制品的小得多。

A much lower annealing shrinkage rate was found for all the PET / MFMB products molded by injection at low mold temperature than those of pure PET .

掺加NES高效减水剂的混凝土其收缩率都比基准混凝土的收缩率小。

The rates of shrinkage are smaller than the reference concrete .

室温电阻率为105μΩ·cm，低温冷收缩率小于一般Fe-Cr-Ni奥氏体钢。

Higher electric resistivity up to 105 μΩ· cm and lower cold contraction than conventional Fe-Cr-Ni austenitic steels .

采用BP神经网络建立注塑成型工艺参数与注塑制品收缩率之间的网络模型，并通过试验数据对成型工艺参数进行优化。

BP Neural Network is applied in this paper to establish the model between the process parameters and the shrinkage , and to optimize the process parameters by the test data .

LPA对UPR收缩率和力学性能的影响

Effect of low profile additives on the shrinkage and mechanical properties of unsaturated polyester

塑料水槽的设计的内容包括制品的材料选择，壁厚的确定，收缩率的确定以及用UG软件绘制的过程。

The flume 's design includes the selection of the material , thickness , contractibility and how to use UG to plot it .

结果表明，复合膜层的热膨胀系数和烧结收缩率随着YSZ组分的增加而增加；

The data showed that linear expansion coefficient and sintered shrinkage increased with the increase of YSZ content .

MATLAB模拟结果显示，对于空气复合纤维，卷曲度随单纤维半径的减小而增大，与自由收缩率呈正比例关系，且随复合比的增加而增大。

MATLAB simulation results show that in the air composite situation , the degree of crimp increased when we decrease the radius of single fiber or increase the free shrinkage and component ratio .

指出PLA产品存在收缩率较高的问题，目前尚无商业化PLA熔喷产品的生产。

It was pointed out that the shrinkage of PLA products had been higher and the commercialized PLA meltblown product has not been produced currently .

结果表明，与纯PET纤维相比，蒙脱土改性PET纤维具有较高的模量和较低的收缩率，改性纤维的上染率亦有明显提高。

The results show that the MMT modified fibers possess higher modulus and lower shrinkage compared with the pure PET fiber . Moreover , the dyeing properties of the modified fibers are significantly improved .

结果表明，MTC固化体的体积收缩率远小于水泥石的体积收缩率。

The results show that the volume shrinkage of MTC solidified body is far less than that of conventional cement .

子宫内安放的避孕环（缩写为IUD）心材的体积收缩率、边交界材的皱缩因子和皱缩深度变化最大。

The greatest variation takes place in the volume contractive rate of the heartwood , collapse factor and collapse depth of the sapwood .

该产品生产工艺简单，适应性强，与普通PP树脂相比，其弯曲强度、弯曲模量和热变形温度可显著提高，制品的收缩率和翘曲率明显降低。

Comparing with PP resins , these two composites had much higher flexural strength , flexural modulus , heat deformation temperature , better aging properties and lower shrinkage the processing technologies were simple .

研究了高残炭率硼酚醛（mass>70%）炭化时的线性收缩率及PAN基炭布增强酚醛层压板复合材料的自由热应变。

The linear contraction ratio of high char yield boron contained phenolics ( mass > 70 % ) and PAN based carbon fabrics reinforced phenolics laminates during carbonization are studied and discussed .