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1)  volumetric shrinkage
体收缩率
1.
L27(313) experiments were performed in order to determine an optimum condition for minimizing the volumetric shrinkage in multi-cavity injection molded parts of polypropylene(PP).
选用L27(313)正交表设计实验,研究模具温度、熔体温度、充填时间、保压压力和保压时间以及三个两因素交互作用对多型腔模具PP塑料制品每个型腔体收缩率的影响程度。
2)  volumetric shrinkage
体积收缩率
1.
volumetric shrinkage affects the surface contour of the molded lens and leads to bad optical performance.
以非球面透镜体积收缩率为质量目标,选取模具温度、熔体温度、保压压力、保压时间、冷却时间5个关键成形工艺参数,设计了L16(45)正交实验矩阵,采用Moldflow分析软件进行虚拟实验研究,结果表明保压压力对制品的体积收缩率影响最大,得到了一组实验优化的工艺参数。
3)  volume shrinkage
体积收缩率
1.
Compared to the matrix resin,this nano hybrid resin has shown reduction of volume shrinkage 38% and increase of tensile strength 31%.
该纳米复合树脂与基体树脂相比较,体积收缩率降低38%,拉伸强度提高31%。
2.
The results show that the volume shrinkage of MTC solidified body is far less than that of conventional cement.
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。
4)  volume response of cell
细胞体积收缩率
5)  volume contraction percentage of aqueous glycerine
甘油体积收缩率
6)  shrinkage rate
收缩率
1.
Effect of roasting process on the shrinkage rate and compressive strength of silica sol ceramic mold was investigated.
采用胶态成型技术和优化的真空干燥工艺制备硅溶胶陶瓷型干坯料,并探讨焙烧工艺对其收缩率和抗压强度的影响。
2.
The shrinkage mechanisms and shrinkage process of the injection plastic products are analyzed, with the effects of process conditions on the shrinkage rate, such as average mold cavity pressure of the PA injection molding, molten mass temperature, mold temperature, mold filling up speed rate etc.
分析了注塑制品的收缩机理及收缩过程,并讨论了聚酰胺(PA)注射成型过程中模腔平均压力、熔体温度、模温、充模速率、成型时间等工艺条件对其收缩率的影响及制品后收缩率的因素,给出了减小制品收缩率,提高制品尺寸稳定性的方法。
3.
The experiment shows that the shrinkage rate of wool fabric is mainly influenced by drying transfer speed, enviroment temperature and humidity.
 通过对毛料织物进行干燥实验,对毛料收缩率的影响因素进行了探讨,实验结果表明:毛料收缩率主要受干燥时传输速度、环境温度、环境湿度的影响。
补充资料:甘油体积收缩率
分子式:
CAS号:

性质:当甘油与水混合时总体积稍有缩小,温度略有升高,其体积收缩的数值与原来的甘油和水的体积叠加值之比,以%表示,称甘油体积收缩率。甘油与水的比例不同,甘油体积收缩率亦有变化;以质量比60:40时为最大值。见下表甘油:水(质量比)甘油体积收缩率/%直接测定值按比例推算值90:1070:3060:4050:5040:6010:900.5031.0131.1011.0800.9480.2250.5161.0591.1221.0630.9340.260

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