constant quantity
英 [ˈkɒnstənt ˈkwɒntəti]
美 [ˈkɑːnstənt ˈkwɑːntəti]
恒量；常数
英英释义
noun
- a quantity that does not vary
双语例句
- Applying the mass heat capacities at constant pressure to heat balance calculation, the recycle quantity of reaction mixture, an important design parameter of continuous esterification reactor, and the mass of heat medium were acquired.
把质量定压热容应用于热平衡计算，求得了连续酯化反应器的重要设计参数：循环量和加热器中加热介质的进料量。 - Basing on the permeating power of helium through glass, we have derived the dynamic equation for the pressure of He in a He-Cd laser and the replenishing equations for replenisher of He at constant temperature and constant quantity.
根据玻璃渗氦特性，导出了氦&镉激光器氦气压动态方程，氦补充器恒温补充方程和恒量补充方程。 - If you have a quantity which is constant over any closed path, that quantity is a thermodynamics state function.
如果有一个物理量，对任何闭合回路积分是常数，这个物理量就是一个热力学态函数。 - With the constant high-temperature bonding-agent, the relationship was introduced between the quantity of bonding-agent and strength, porosity, porous diameter, infiltration.
主要研究了高温粘结剂的加入量对制品的强度、平均孔径、孔隙率、渗透性等性能的影响。 - Working principle of the control circuit is presented, expressions for calculating constant current value of its coil and constant current surplus quantity are derived and calculating expressions of clamping voltage and current break protecting time of the circuit are also given.
介绍了该控制电路的工作原理，导出了其线圈恒流值计算式和恒流裕量计算式，并给出了该电路的钳位电压和停车断电保护时间计算式。 - In water supply system, water supply in constant pressure means that terminal pressure keeps constant all the time when the quantity of dispended water varies.
在供水系统中，恒压供水是指在供水网系中用水量发生变化时，出口压力保持不变的供水方式。 - It is indicated that the frequently occurring cancer region lacks or severely excessively has some kinds of small quantity of elements, apart from serious pollution of water and soil and anomalous constant quantity of composition.
表明癌症高发区除水土严重污染，许多常量成份出现异常外，一些微量元素还明显缺少或严重超量。 - The constant of electrostatic charge decay time is an important physical quantity that can describe the electrostatics property of materials.
静电衰减时间常数是定量描述材料静电性能的重要物理量，可以通过测量静电电荷衰减时间达到测量静电的目的。 - Reasonable temperature control of strict science is key that the constant temperature cold storage assurance merchandise stores the quantity.
规范合理，严格科学的温度控制是恒温冷库保证商品储藏质量的关键。 - According to some disadvantages in the disposal process of the perturbation method, the concepts of perturbation quantity, constant quantity and stepwise disposal have been introduced.
本文针对目前电磁理论微扰法处理中的某些不足，提出微扰量、不变量和逐级处理这三个概念。