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1)  temperature shrinking property
温缩特性
1.
The research on temperature shrinking property of stabilized shale soil used as pavement base;
稳定页岩土基层的温缩特性研究
2)  temperature shrinkage property
温缩性能
3)  shrinkage characteristic
收缩特性
1.
The dimensions of fan-shaped plastic parts before or after shrinking are measured and analyzed,and the shrinkage characteristics are discussed based on injection molding experiments.
在注射成型实验的基础上,对扇形制品收缩前后各部分尺寸进行了测量、分析,探讨了扇形制品的收缩特性。
2.
The volume shrinkage characteristics of porous materials in the drying process are investigated based on the definitions of Volume Shrinkage Coefficient and Shrinkage Isotropicity,with fresh ginger,carrot,potato and banana as the drying materials.
以生姜、胡萝卜、土豆和香蕉为实验材料,引入体积收缩系数和各向同性率的概念,研究了多孔物料干燥过程中的体积收缩特性,分析了脱水量与物料收缩率之间的关系,并探讨了干燥介质温度和相对湿度对收缩特性的影响。
3.
By adopting a visualization method, the effects of drying temperature and specific surface on moisture separation, surface configuration and shrinkage characteristic in the drying process of caky sludge were studied.
采用可视化研究方法,通过一系列饼状污泥干燥实验,考察了干燥温度和比表面积对饼状污泥干燥过程水分析出特性以及饼状污泥在干燥过程中的表观形态、收缩特性的影响。
4)  shrinkage characteristics
收缩特性
1.
By injection molding experiments, shrinkage characteristics of convex, con cave, square and fan-shaped parts are investigated.
设计制作了一套一模四腔的模具(包括正方形、凸形、凹形和扇形等4种形状制品的型腔),通过注塑成形实验,来确定这几种特殊结构制品的收缩特性。
5)  contraction cracking characteristic
缩裂特性
1.
The lime earth belongs to the semi-rigid base,and the cracks will be produced by the variation of temperature and humidity because of its inherent contraction cracking characteristics.
灰土属半刚性基层,因其固有的缩裂特性,会因温度和湿度变化产生裂缝。
6)  contraction under shear
剪缩特性
1.
The research results reveal that the residual soil of granite presents contraction under shear and its bulk modulus of resilience increases significantly with deviator stress rising.
发现花岗岩残积土具有剪缩特性,回弹体积模量随偏应力增大而显著提高;确定了花岗岩残积土的变形强度参数,并首次得到该土的液化曲线;建立了火成岩残积土的振动残余变形与模拟地震加速度及荷载之间的关系,并用其预估厦门填海地基的震陷量。
补充资料:正温度系数热敏陶瓷阻-温特性曲线
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性质:描述正温度系数热敏陶瓷电阻率与温度关系的曲线。钛酸钡基PTC热敏陶瓷阻-温特性曲线。电阻率随着温度的升高,先是降低,当达到某一值Tmin时,曲线出现极值,经过极值后电阻率随温度升高而急剧上升,此时对应的温度Tb称为开关温度。电阻率随温度上升达到最大值时所对应的温度为Tm。经过Tm后,阻温特性曲线发生弯曲,电阻率开始逐步降低,此时对应的温度为Tp。温度处于Tb至Tm之间时,热敏陶瓷呈现正温度系数(PTC)特性。其电阻温度系数αT= ,式中Rb,Rp为Tb,Tp温度下的相 应零功率电阻值。αT大于10%/℃,为开关型热敏陶瓷电阻器。αT小于10%/℃,为缓变型热敏陶瓷电阻器。

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