守恒定律
- 名conservation law;law of conservation
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我们用一个非物理学的比喻来说明守恒定律的性质。
A nonphysics analogy illustrates the nature of conservation law .
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带有优先级的令牌环形LAN守恒定律的探讨
The discussion of conservation law for token ring LAN with priority
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根据质量守恒定律和果蔬采后呼吸生理,推导出薄膜气调包装(MAP)的数学模型。
According to the law of conservation of mass , the mathematics model of Modified-Atmosphere Packaging ( MAP ) is educed .
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由此得到了一组守恒定律及J、M积分。
A group of conservation laws and J , M integrals are obtained .
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Killing矢量与守恒定律
Killing Vectors and Conservation laws
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大声点。,LEWIN:,So,speak,up。,我们可以尝试用,机械能守恒定律吗?,这样用有什么问题吗?
LEWIN Shall we try the conservation of mechanical energy Is there anything wrong with that ?
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可积(度量)Weyl时空中的广义守恒定律
ON THE σ - PRODUCTS General Conservation Law in Integrable Weyl Space
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为了对载人航天器中SPE制氧系统进行优化改进,根据热力学守恒定律、能量输运规律以及相关电化学理论,建立了系统工作过程的数学模型,通过数值模拟方法对系统进行了性能分析。
A mathematical model including thermodynamics , energy transport and electrochemistry was used to optimize the SPE oxygen generation system in a manned spacecraft .
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它从守恒定律和热力学定律导出,没有类似于CJ假设之类的附加条件。
The conjugate detonation model is derived from conservation and thermodynamic laws without any additional conditions as the CJ assumption .
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运用Mohr-Coulomb准则和能量守恒定律分别推导单个砂粒滑动判别条件和滚动条件;
Mohr-Coulomb criterion and energy conservation law were applied to deduce the sliding critical condition and rolling condition of single sand .
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本文证明了中微子并不破坏宇称守恒定律和P与CP的破坏都来源于真空,如将真空也计算在内,则P、C、T守恒定律都普遍成立。
This paper shows that the neutrino does not violate the law of parity conservation , P and CP violation comes from the vacuum . If we take vacuum into account , the law of P.C. T conservation is universally true .
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根据能量守恒定律,推导出串联2-2复合材料中压电陶瓷PZT层上和聚合物PVDF层上的电场强度Ec、Ep。
According to energy conversation law , electric field strength E c and E p of piezoelectric ceramic PZT layer and polymer PVDF layer in the composites were derived , respectively .
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基于能量守恒定律和岩石的基本力学性质,进一步发展了由作者提出的一种用于模拟岩石非线性破坏演化的新方法&物理细胞自动机(PCA)模型。
Based on the energy conservation law and mechanical properties of rock , the physical cellular automat ( PCA ), a new model set up by authors to simulate the nonlinear evolution of rock failure , is developed ;
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本文根据质量守恒定律、Fick第一扩散定律和Boussinesq假设导出了井巷污染物紊流传质的通用数学模型及纵向(?)
Develops a general mathematical model of the turbulent mass transfer of mine pollutant on the basis of mass conservation , Fick 's first law of diffusion and Boussinesq 's hypothesis .
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依据物理学的基本原理,分析和讨论了RC电路充电过程中的能量转化问题,并运用能量守恒定律回答了电场能量的来源及分布规律。
The paper analyzes and discusses the problem of energy conversion in the charging process of RC Circuit based on the theory of physics . It also accounts for the energy source of electric field and distributing features by means of energy conservation law .
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从麦克斯韦(Maxwell)方程组和物质电磁性质方程出发,得到了可应用于线性网络和非线性网络的电荷守恒定律和电磁场能量转换与守恒定律。
Based on Maxwell 's equations and material electromagnetic property equations , the electric charge conservation law and electromagnetic field energy transduction and conservation law can be obtained , which can be applied to linear network and nonlinear network .
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以RL电路暂态过程为例,运用能量的转化与守恒定律,对磁场能量的来源和分布进行了定量的分析与讨论。
Taking the temporary duration as an example , the paper analyzes and discusses the sources and distribution of the energy in magnetic field according to the law of conversion and conservation of energy .
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Einstein-Cartan引力理论中的广义协变守恒定律
General conversation laws in Einstein-Cartan theory
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李政道猜想和P.C.T守恒定律
T.d.lee 's guess and law of p.c.t conservation
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根据Fick定律和质量守恒定律建立了支配该模型的水汽扩散方程。
Equations describing vapour diffusion in the model are set up , based on Fick 's law and the law of con - servation of mass , and are solved by using computer .
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谈话法在大学生个性化思想政治教育中的运用Einstein-Cartan引力理论中的广义协变守恒定律
Use of Conversation to College Students Personalization in Ideological and Political Education GENERAL CONVERSATION LAWS IN EINSTEIN-CARTAN THEORY
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从贝蒂(Betti)互易性定理出发,用简单而统一的方法导出了线弹性力学中的若干守恒定律,同时讨论了它们在断裂力学中的应用。
From Betti 's reciprocal theorem some conservation laws in linear elasticity are derived by simple and consistent means . Their ap-plication in the fracture mechanics are also discussed .
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通过使用广义Noether定理以及广义位移变换和局域SO(1,4)变换,我们获得了RS模型中的能量&动量和角动量守恒定律。
By the use of general Noether theorem and local 50 ( 1,4 ) transformations , we obtain the conservation laws of energy-momentum and angular momentum for the RS models . The energy-momentum and angular momentum currents have superpotential and are therefore identically conserved .
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根据模拟的CHAMP卫星星历,分别采用基于牛顿运动定律的数值微分法和基于能量守恒定律的能量守恒法建立观测方程,恢复出50阶次的重力位系数。
In this paper , observation equations are constructed according to the numerical differentiation based on Newton 's law of motion and the energy conservation respectively . The gravitational potential coefficients are recovered until degree 50 based on simulated CHAMP ephemerides .
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通过对诸主均衡定律和应用Noether定理得出的守恒定律进行比较,自然地导出微极连续统力学的1个统一的主均衡定律和6个物理上可能的均衡方程。
Through a comparison between the expressions of master balance laws and the conservation laws derived by the use of Noether 's thorem a unified master balance law and six physically possible balance equations for micropolar continuum mechanics are naturally deduced .
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在汽车碰撞基本理论和OBB碰撞检测算法的基础上,采用车辆碰撞模型和能量和动量守恒定律,进行真实可靠的仿真计算。
Based on the basic theory of automobile collision and OBB collision detection algorithm , vehicle collision model and energy and momentum conservation law are adopted for authentic and reliable simulation .
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针对调节问题,利用Bode积分定理将控制系统中的熵率和系统开环不稳定极点结合起来,修正了“变异度守恒定律”;
For linear regulation problem , the entropy rate of system output was computed by using Bode integral formula , then the performance limit of disturbance rejection was formulated in terms of unstable poles of open-loop transfer function , and the'conservation law of variety ' was revised .
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对静态球对称的Dilaton-Maxwell黑洞霍金辐射的隧穿过程进行了简单直接的推导,因为推导过程中强调了能量守恒定律,故精确的辐射谱不再是纯热的。
A short and direct derivation of Hawking radiation as tunneling is presented for a static spherically symmetric Dilaton-Maxwell black hole . Because of the emphasis on energy conservation , the exact spectrum is not precisely thermal .
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根据一次表面热交换器(PSHE)的结构和流动特点,利用能量守恒定律,导出它的瞬态温度变化物理模型和数学方程式。
Based on the conservation law of energy and on the characteristics of the structure and flow of the primary surface heat exchanger ( PSHE ), a physical model and corresponding mathematical equations of transient temperature are presented .
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验证动量守恒定律实验中减少误差的几种方法
Procedures to reduce error in experiment identifying law of momentum conservation