变质量,variable mass
1)variable mass变质量
1.Application of variable mass energy transformation and storage technology in HVAC;变质量能量转换及储存技术在暖通空调中的应用
2.Method of stress-deformation compatibility analysis considering variable mass for roadbed settlement;考虑变质量的路基沉降应力变形协调分析法
3.Non-Noether conserved quantity for relativistic nonholonomic controllable mechanical system with variable mass;相对论性变质量非完整可控力学系统的非Noether守恒量
英文短句/例句

1.Angular Momentum Theorem of Variable Quality Objects around A Fixed Axis;变质量物体绕定轴转动的角动量定理
2.Conformal invariance and conserved quantity for holonomic mechanical systems with variable mass变质量完整动力学系统的共形不变性与守恒量
3.Variable Quality System Thermal Mechanics & Neo-Ro变质量系统热力学与新型回转压
4.Quantitative change is the necessary preparation for qualitative change.量变是质变的必要准备。
5.yield mass curve裂变产额 质量曲线
6.mass distribution of fission products裂变产物的质量分布
7.Lorentz invariant electromagnetic mass洛伦兹不变电磁质量
8."Instead of using weight as a standard we use mass, because mass does not change."我们用质量做标准而不用重量,因为质量不变。
9.A New Method for Mass Flow Measurement Based on Acoustic Damping of a Rheologic Medium基于流变介质声阻尼的质量流量测量新方法
10.Claim on quality originates from inferior quality of goods or quality changes.品质(质量)索赔是在货物质量低劣或是质量改变的条件下发生的
11.Quantitative,qualitative changes and characteristics of Canadian higher education;加拿大高等教育的量变、质变及其特征
12.Quantitative and Qualitative Change: Chinese Higher Education at the Turn of the Century量变与质变:世纪之交的中国高等教育
13.To reduce the value or impair the quality of.使变质,损坏降低价值或损害质量
14.The quality of his writing degenerated as he continued to drink.他的写作质量随着他的酗喝而变质.
15.Change "Wisdom" Enhance the Quality in it s System;改变“心智” 提高质量体系运行质态
16.In steady flow, mass flux is constant.在稳定流动中,质量通量是恒定不变的。
17.Research on the Relationship of Print Parameters and Print Quality in Flexographic Printing柔版印刷变量与印刷质量关系的研究
18.Relative quantifying technique to measure mass of fission plate in a fission chamber裂变室镀层质量厚度的相对测量技术
相关短句/例句

Metamorphic quality变质质量
3)qualitative change and quantitative change质变量变
4)Quantitative andqulitative量变质变
5)quality variable质量变量
6)variable mass system变质量质系
1.The expression of Hamilton Principle of a variable mass system has been deduced in this article from the point when the combination and separation of elementparticles occurat the same time,for the purpose of inferring a more general expression thatcan also be used to deal with the problem of a constant mass system.在变质量系的第二类拉格朗日方程的基础上 ,进一步导出了原质点的结合与分离同时进行时 ,变质量质系哈密顿原理的表达式 ,其目的是导出哈密顿原理更具有普遍性的表达式 ,该表达式同样可以计算常质量系的问
2.The second kind of expression of Lagrange s equation of variable mass system has been deduced in this article from the point when the combination and separation of an element particle occur at the same time.推导了元质点结合与分离同时进行时,变质量质系的第二类拉格朗日方程表达式。
延伸阅读

变质量体运动变质量体运动variable-massbody,motionofa运动过程中自身质量发生明显变化的物体的运动。若变质量体的转动速度和加速度同平动的速度和加速度相比可以忽略不计,则此变质量体就可视为一个变质量质点。在工程技术中有许多变质量体的例子:火箭不断喷出燃气使火箭质量发生变化;喷气飞机不断吸入空气使质量增加,又不断喷出燃气使质量减少。密歇尔斯基方程变质量质点的运动微分方程,由俄罗斯学者I.V.密歇尔斯基提出而得名。其表达式为