查询词典 conservation of mass

And meanwhile, the conservation of mass, momentum and energy were discussed.

同时讨论此技术实施过程中伴随的质量、动量和能量守恒问题的解决办法。

By the law of conservation of mass, the principle of effective stress and the Darcys law as well as the equilibrium differential equations, a coupled mathematic model that included the terms of source and sink, and its corresponding direct coupled FEA model, for the analysis of groundwater seepage and stress were developed.

其次根据土体的平衡微分方程、质量守恒定律、有效应力原理以及达西定律建立了考虑源汇项的渗流场与应力场耦合数学模型，并且提出了直接耦合有限元计算方法。

Then the writer gave a practical case of law of conservation of mass. The conclusion is that the learning mode of the new curriculum is useful not only in theory but also in practice, and it is popular with students.

然后，给出了&质量守恒定律&一节的教学方案，通过实施得出结论：新课程学习方式不仅在理论上是可行的，在实践上也是行得通的而且是深受学生欢迎的。

This research reveals that dynamic action is the root reason for soil water-erosion, and that law of conservation of mass and energy is the basic principle of soil erosion, and that the coexistence of erosion and sediment is a universal rule of soilwater-erosion.

根据力学和物质与能量原理，对土壤水力侵蚀这一自然地理现象从哲学的高度进行分析，认为水动力作用是土壤水力侵蚀的根本原因；物质与能量守恒是土壤水力侵蚀的基本法则；侵蚀与沉积并存是土壤水力侵蚀的普遍规律。

The law of conservation of mass.

质量守恒定律。

The weight and percentage of plated metal of metallized fiber can be derived from measuring the weight and volume of metallized fiber via the density formula and the law of conservation of mass with konwing the density of plated metal and the basic fiber.

通过测定表面金属化纤维的质量和体积，利用密度公式和质量守恒定律，只需知道表面金属和基材纤维的密度即可推导出镀层金属的质量和表面金属化纤维的质量分数。

This research reveals that dynamic action is the root reason for soil water erosion, and that law of conservation of mass and energy is the basic principle of soil erosion, and that the coexistence of erosion and sediment is a universal rule of soilwater erosion.

提出基于能量力学机理的 3个土壤水力侵蚀的新理论，即侵蚀平衡理论、最大梯度理论和水流侵蚀力理论。

According to the law of conservation of mass and the law of Nsimultaneous equilibrium, the mathematics model of Ni -NH3-NH4 -C2O42-H2O thermodynamic equilibrium system was first built, and the corresponding logarithms concentration -pH diagrams of the system were also drawn.

本文的主要创新内容有：首次采用膜电解电溶法制备高纯氯化镍溶液，通过阴离子交换膜的选择，在自行设计的膜电解槽中控制适当的电解条件，制备出满足生产特种镍粉要求的氯化镍溶液。

The paper put forth the mechanism model of the drying and the subsequent sealing process on the basis of the law of conservation of mass, the phase equilibrium principle and the Fick's Law.

基于质量守恒定律、相平衡原理和费克定律，提出干燥过程以及随后封闭过程的机理模型。

According to thermodynamic law of conservation of mass and energy and heat transfer theory, a group of differential equations on thermal balance of cover, thermal balance of indoor air, thermal balance of multi-layers of north wall, thermal balance of multi-layers of soil, thermal balance of multi-layers of north roof and thermal balance of plant were built.

该文建立了日光温室热环境模拟模型，定量描述了日光温室内的太阳辐射、对流换热、辐射换热、热传导、自然通风和水分相变带来的潜热对日光温室热环境的影响，根据质能平衡和传热学理论，得到一组关于覆盖物、室内空气、温室分层后墙、分层地面土壤、分层后坡和作物热平衡的微分方程组。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。