传导

The elementary solution to Cauchy problem of heat equation is given by applying Fourier transformation.

应用Fourier变换求出热传导方程的基本解，分析了基本解与正态分布密度函数的关系，从而借助密度函数解释热传导方程解的性质。

Results: compared with the control group, the amplitude and conduction velocity of biphasic action potential were gradually and significantly reduced in the hyperosmotic dextroglucose sub groups (concentrations at 20% and 40%), hyperosmotic mannitol sub group (concentration at 20%) and hyperosmotic sorbitol sub groups (concentrations at 20% and 40%) in a time dependent manner.

结果：与对照组比较，20%、40%葡萄糖组，20%甘露醇组和20%、40%山梨醇组的动作电位幅度有显著降低，传导速度有显著减慢，呈时间依赖关系；10%葡萄糖组、10%甘露醇组和10%山梨醇组高渗溶液均可使蛙坐骨神经干动作电位幅值有不同程度上升，传导速度略微减慢。

This paper introduces the food refrigerated theory and the basis of the current industry refrigerated developments in the situation; And then in the long cylindrical-shaped food heat conduction process and the mathematical model using the method of differential thermal conduction equations for discrete, Programming come through long cylindrical-shaped food cooling process numerical solution; After further analysis of numerical solution of the test results; Finally, the impact of the cooling process food all relevant factors, such as moisture content, wind speed and temperature of the cooling medium for in-depth research, while comparing the different shapes of food to food cooling process.

本文首先介绍了有关食品冷冻冷藏的基础理论和目前冷冻冷藏行业的发展的发展概况；然后研究了长圆柱状食品热传导过程的数学模型并利用差分的方法对热传导方程进行离散，通过编程得出长圆柱状食品冷却过程的数值解；之后再分析解对数值解的结果进行验证；最后对影响食品冷却过程的各相关因素，如含水率、风速和冷却介质温度等进行了深入的研究，同时又对比了不同形状的食品对食品冷却过程的影响。

In gases,conduction is a result of elastic collision of molecules;in liquids and electrically nonconducting solids,it is believed to be caused by longitudinal oscillations of the lattice structure.

在气体里，传导是molecules；in 液体有弹性碰撞的结果并且电子不传导的固体，它应该由格子结构的纵向动摆造成。

In electroanalysis, the advantage comes from the high selectivity of enzyme and the low detection potential of DET. In glucose biofuel cell application the DET of GOD in fabricating of electrode can work efficiently as anode in sugar/air battery.

葡萄糖氧化酵素的直接电子传导现象更可被利用在分析与能源方面，在分析上可以利用直接电子传导的低电位特性与酵素的专一性来进行侦测；在能源方面可以运用在生物葡萄糖燃料电池的阳极端来使用。

Segment ulnar nerve conduction studies showed that most of the lesions were located above or below the medial epicondyle 2-3cm.③ Abnormal flexor carpi ulnaris muscle electromyography was not found involved in ulnar neuropathy at the elbow. Conclusion Short??

结果 ①尺神经病变组中有19例出现尺神经在肘上至肘下段运动神经传导速度减慢；②尺神经肘上至肘下段短节段性神经传导检测结果显示具体病变部位多数集中在肱骨内上髁上下2-3cm内；③尺神经在肘部病变者并非均有尺侧腕屈肌肌电图的异常。

Results ① Nineteen patients were found ulnar motor nerve conduction slowing across the elbow.② Shortsegment ulnar nerve conduction studies showed that most of the lesions were located above or below the medial epicondyle 2-3cm.③ Abnormal flexor carpi ulnaris muscle electromyography was not found involved in ulnar neuropathy at the elbow.

结果 ①尺神经病变组中有19例出现尺神经在肘上至肘下段运动神经传导速度减慢；②尺神经肘上至肘下段短节段性神经传导检测结果显示具体病变部位多数集中在肱骨内上髁上下2-3cm内；③尺神经在肘部病变者并非均有尺侧腕屈肌肌电图的异常。

In order to solve the thermal effect problem of laser rod by diode laser end-pumped,based on the heat conduct theory,a novel eigenfunction group of heat conduction equation was established and the general solutions of temperature field and thermal distortion field within laser rod were obtained.

为了解决激光二极管端面泵浦激光棒引起的热效应问题，基于热传导理论，建构了热传导方程新的本征函数解，得出了激光棒内温度场与热形变场的一般解析表达式。

In this paper, a simple method of solving the stress-fluid coupling equation at certain boundary conditions is proposed based on the corresponding relation of the seepage equation of stress-fluid coupling and heat conduction equation and using the structural mechanical module and heat conduction module in the ANSYS software.

本文根据流固耦合方程和热传导方程的对应关系，找出了在一定边界条件下，可用ANSYS中的结构力学模块和热传导模块求解流固耦合方程的简便方法。

According to axisymmetric unsteady heat conduction equation of orthogonal aniso tropic material and boundary conditions,the equilibrium equation of a system of finite elements is deduced with triangular element of high accuracy,and programs are designed.

根据均匀正交各向异性材料轴对称热传导方程及其边界条件，利用变分法及欧拉理论，选取 6 节点的高精度三角形单元类型，推导了一般轴对称非定常热传导有限元基本方程。并编制了相应的计算程序。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。