能量守恒原理

从能量守恒原理出发，结合LOM原型制造工艺的具体要求，建立扫描速度与激光功率之间的正比模型。

Starting from principle of conservation of energy , a proportional model of sweep speed and laser power is set up by combining with the specific demand of LOM prototype manufacturing technology .

根据能量守恒原理，提出基于心室功的控制算法，设计了驱动血泵电机的调速系统。

On principle of conservation of energy , the control arithmetic for blood pump motor driven based on the ventricular work is proposed .

基于能量守恒原理，从试验数据中提取了G-M冷头动态模型。

The dynamic model of the G-M heat exchangers were obtained from the experimental data based on the energy conversation .

根据能量守恒原理计算防弹头盔的打击力。

We get the hit force of helmet using energy balance principle .

基于能量守恒原理的公路线形安全性评价

Safety evaluation of road alignment based on energy conservation law

应用能量守恒原理设计钢纤维喷射混凝土衬砌厚度的方法

Method of applying energy conservative principle to steel fiber reinforced shot-concrete lining design

此外，本文还基于能量守恒原理推导了附加质量和气动阻尼的解析公式，并运用气动弹性力学原理对附加质量和气动阻尼中的气动力项进行了推导。

Then the aerodynamic force in the formula is derived by using aeroelasticity theory .

基于能量守恒原理，推导出可逆变流器输入电感的计算公式。

Based on the power balance , a calculation formula of the input inductor is derived .

在此基础上利用能量守恒原理，建立了爆炸成形弹丸速度的计算公式，并通过试验和数值模拟验证。

Accordingly , a velocity formula of EFP is proposed based on the law of energy conservation .

《势力不灭论》与能量守恒原理在中国的传播

Shi Li Bu Mie Lun and the early spread of the theory of conservation of energy in China

旋转钻进是岩上工程钻探的主要钻进方式，从能量守恒原理出发，对旋转钻进的能量进行分析。

Based on the principle of conversation of energy , the energy for rotary drilling has been analyzed .

本文针对弹丸滑翔飞行的运动特性，根据能量守恒原理，采用能量分析法对弹丸在滑翔段的弹道特性进行了研究。

A study on the trajectory properties of a gliding projectile was done according to the energy conservation law .

基于水–冰相变理论和能量守恒原理，得出冻结率表达式。

Based on the phase transition theory and the energy conservation principle , the expression of frozen ratio is derived .

要符合能量守恒原理，末总动能必须比初动能大这么多。

In order for energy to be conserved , the final total kinetic energy must be greater than the initial by this amount .

基于能量守恒原理，利用追迹法、计算机编码设计了用作长焦深元件的孔雀眼波带片。

Based on the energy conservation principle and the paraxial ray tracing method , the peacock eye zone plates are designed and encoded .

根据能量守恒原理又推导了钻机盘式刹车系统的能量转换表达式。

The expressions of energy transformation for disc brake system of drilling rigs are derived on the basis of the principle of energy conservation .

混凝土构件温度场的计算可以根据能量守恒原理，采用有限元方法进行求解。

Based on principle of conservation of energy , the thermal field of concrete component can be gotten by the method of finite element .

采用能量守恒原理估算了侵彻过程中平均减速度，与数值模拟结果一致性良好；

The rigid-body average deceleration is estimated using the law of conversation of energy , and it is in good agreement with numerical results .

本文根据箱体结构合理划分计算单元，根据能量守恒原理建立单元体的热平衡方程，在此基础上计算出箱体的动态负荷。

Calculating units are divided according to structure of a freezer body and heat balance equations of the units are built based on conservation of energy .

气相控制阶段，障碍物对火蔓延没有影响。根据能量守恒原理，建立数学模型并分析确定了对流传热是液相中的主导传热模式。

It was confirmed that convection is the dominant heat transfer mode in liquid phase by a model founded according to energy balance of the control volume .

在遵守能量守恒原理的前提下，介质的非线性会引发地震波场中各波型间能量的再分配。

Namely , because of medium nonlinearity , the energy of different modes of seismic waves is reassigned and displayed in records but fits the energy conservation law .

从结构阻尼理论出发，根据能量守恒原理，推导了由钢筋混凝土和钢结构组成的组合高耸结构的整体阻尼比。

By aid of structural damp theory , the integral damping ratio of the composite structures which include two different materials are derived according to energy conservation principle .

基于能量守恒原理，建立了二次沿空留巷不同阶段直接顶的力学模型，推导出沿空留巷直接顶的稳定性判据。

Based on energy conservation principle , mechanical models of immediate roof in different stage have been established , the stability criterion of immediate roof has been derived .

根据混凝土破坏过程的能量守恒原理，导出了混凝土受双轴拉压破坏的随机损伤本构方程。

In the light of the energy conservation during the process of damage failure , the stochastic damage constitutive equation of concrete material subjected to two-axial tension-compression is derived .

采用能量守恒原理，对四边固支约束的矩形钢板在空中非接触爆炸载荷作用下的塑性动力响应进行理论分析；

The theoretical analysis about the plastic dynamic response of the clamped rectangular steel plate subjected to air non-contact explosion loading is conducted with the principle of energy conservation .

通过对液氮发动机缸内控制边界物理模型的分析，基于热力学第一定律的能量守恒原理和理想气体状态方程，建立了理想的一维的基于时间的液氮发动机缸内工作过程的连续状态数学模型。

With the analysis of control volume and some assumptions to it , a one-zone , time-dependent mathematic model is obtained based on energy conservation and the ideal gas equation .

采用从简单到复杂和从特殊到一般的数学思想[1]，依次对静止型温泉池、流动型温泉池进行探讨，根据能量守恒原理建立了三个控制温泉水温变化的微分方程模型。

Adopting math idea is from simple to complex , from special to generic . In turn , have done some research on immobile hotspring pool and floating hotspring pool .

根据能量守恒原理，既考虑天然气的焦耳&汤姆逊效应，又考虑了液体的摩擦生热，推导出了计算多相管流温降的理论公式。

According to conservation of energy , when Joule-Thomson effect on natural gas and friction heat of liquid are considered , a temperature drop formula to calculate multiphase pipeline is deduced .

为了实现质子交换膜燃料电池电堆温度的有效控制，根据电堆能量守恒原理建立了电堆动态热管理模型。

For the purpose of controlling the temperature of PEMFC stacks effectively , a dynamic thermal management model of PEMFC stacks has been developed on the basis of the energy conservation principle .

依据流体动力学原理，建立了弹簧引导伞计算模型，由能量守恒原理，得出了柔性开舱可靠性的判定依据。

Based on the principle of hydrodynamics and conservation of energy , a simulation model of the spring guided umbrella is established and the reliability criterion of flexible cabin opening is obtained .