查询词典 diffusion constant

Matter is in constant motion and constant change.

物质总是在不断运动，不断变化的。

Matter be In constant motion and constant change .

物质总是在不断运动，不断发展。

Firstly, according to the effect of the integration time constant of three-phase PFC controlled by one-cycle control, the single and triple integrator realization are compared, and how to determine the value of the time constant is investigated theoretically from the view of switch voltage stress and system stability.

针对三相PFC中积分时间常数的影响，分别讨论了三积分器实现方案与单积分器实现方案中积分时间常数变化对功率因数校正效果的影响，并从开关电压应力和系统稳定性的角度讨论了积分时间常数的确定原则。

R2 Newton estimated this constant of proportionality, called the gravitational constant G, also referred to as the 'big G', from the gravitational acceleration of the falling apple and an approximate guess for the average density of the Earth.

牛顿根据下落中苹果的重力加速度和他对地球密度的近似猜测估算了这个称为"万有引力常数"的比例常数G。

The research put emphasis onto actual application in constant force hanger on the basis of the research of constant force hanger structure and optimized design theory and MATLAB heredity calculation.

本课题研究了恒力吊架结构，优化设计理论和MATLAB遗传算法在恒力吊架设计中的具体应用。

The secondary settling tank in COST 624/682 benchmark wastewater treatment plant under storm weather was used for steady-state and dynamic simulations of settling tank operation under two different control strategies, constant return rate and constant return ratio.

以COST624/682中基准污水厂二沉池为研究对象，利用模型对暴雨天气下恒定回流量和恒定回流比2种措施控制下沉淀池的运行情况进行了稳态和动态模拟。

The observer is adaptive one because an adaptation law which can adjust the Lipschitz constant of Lipschitz term is introduced. For this reason, the Lipschitz constant can be unknown in our design.

通过引进一项对Lipschitz非线性项的Lipschitz常数自适应调节的微分调节项，使得观测器具有自适应性，从而设计具有不必知道Lipschitz常数之大小的优点。

The initial apparent rate constant, reaction order in term of Ru(superscript 3+)+ or (superscript 3+) concentration, equilibrium constant for the reaction of bipyridyl and Ru(superscript 3+) or (superscript 3+) in the presence of hydroxylamine hydrogenchloride were determined.

在盐酸羟胺存在下，测定了Ru(上标 3+)和(上标 3+)与bipy的反应表观速率常数、浓度级次及反应平衡常数。

Of Einstein, C2 is a constant as it is the square of the constant C, velocity of light.

爱因斯坦说E=MC2，C是光速，是一个常数，常数的平方当然也是一个常数。

Introduction was given to the principle of auto-control system for constant filtration velocity and constant water level in No.

介绍了东莞第三水厂恒滤速、恒水位过滤自控系统的原理，探讨了水位控制精度低的原因及改进方法。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。