volume contraction

Design of Insulated Riser of Cast Inserted Die Based on Principle of Volume Contraction of Freezing

基于体收缩原则的铸造模具镶块保温冒口设计研究

The activation energies for fruit peel, textile and board paper were lower, and their pyrolyses followed volume contraction mechanism.

而果皮、织物和纸板类的活化能较低，它们的热解符合体积缩小机理。

In order to solve the volume contraction after cement slurry curing and preclude cement plug fracture, a new oil well cement additive is developed and optimized.

为达到提高油水井打水泥塞施工有效率目的，采用在油水井水泥中加入添加剂来减少水泥浆稠化凝固后的体积收缩量及消除水泥塞裂缝。

To the dense sand, the reversibility of part of dilatation is the main reason of the volume contraction.

密砂的卸载体缩是剪胀可恢复的宏观体现。

The application has proved that the riser design of cast inserted die was simple and practical with use of volume contraction principle, and the productivity increased effectively.

实践证明，应用体收缩法设计模具钢镶块铸件的冒口工艺简单、实用，有效地提高了生产效率。

The phenomenon of volume contraction in unloading is very common in the triaxial tests of soils.

卸载体缩是很多土在剪切试验中表现出的一种变形特性.

CONSTITUTIVE MODEL OF ROCK UNDER TRIAXIAL LOADING AND UNLOADING Research on Volume Contraction due to Triaxial Unloading in CD Test

岩石在三轴加卸荷过程中的一种本构模型研究排水三轴试验卸荷体缩现象的原因

While the confining stress is large, strain hardening, volume contraction and lateral intrusion become prevalent.

高侧向应力状态时应变硬化，体缩和侧向收缩。