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
- 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。 - 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。 - Though the most rigorous arable land protection system is adopt in China, there are still many problems in the arable land utilization and management, while constant quantity decrease and overall quality degradation represent the major ones.
尽管我国有着世界上最严格的耕地保护制度，但是，当前我国的耕地利用与管理存在诸多突出问题，主要表现为耕地数量不断减少和耕地质量总体水平下降。 - By introducing the constant strain as another basic unknown quantity besides the rigid displacement at centroid of block elements, the elasticity of bock elements can be considered and the precision are improved.
引入块体的常应变作为基本未知量，从而使计算能够考虑块体的弹性，大大增加了计算的精度。 - 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。 - Adsorption rate constant and equilibrium adsorption quantity increases with increases of ionic radius.
吸附速率常数、平衡吸附量随着离子半径增大而增大。 - 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。 - Researching on Semimicro Chemical Analysis Experiment With Constant Quantity Instrument
用常量仪器进行半微量化学分析实验的研究 - 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。 - The addition of drag reduction agent improves transport capacity greatly, reduces transport cost, makes flexible transport of oil possible and reduces bearing pressure of old pipeline in constant flow quantity.
减阻剂的使用大大提高了管道运输的能力，降低了运输成本，使得油品弹性运输成为可能，减小了恒定流量老化管道承受的压力。