热流

Central difference method and backward difference method were used for transient thermal analyzing,and the result suggested that two methods have same accurate for this problem.

太阳辐射热流、地球红外辐射热流及地球反照热流是航天器产生不均匀时变温度场主要热量来源。

The conventional design method is analyzed, then the total frame of hot runner design based on knowledge is put forward, and knowledge of hot runner design is organized, and the knowledge base of hot runner is built. At last hot runner structural design is finished in detail.

第三章，分析了传统的热流道结构设计方法，给出了基于知识的热流道结构设计的总体框架，利用知识单元进行组织热流道设计知识，建立相应的热流道设计知识库，分析基于知识的推理方法和热流道设计任务规划，并在热流道设计知识库基础上完成结构设计。

The determined thermal conductivity values vary from 0882 to 678 W/m?K and the calculated heat flow values in Jianghan Basin range from 419 to 609 mW/m2,with a average of 523 mW/m2.It shows that the influence of tectonothermal event before Cenozoic in Jianghan Basin has faded away,and the basin has cooled down.

结果显示江汉盆地热流419～609 mW/m2，平均523 mW/m2，盆地总体表现为较低的大地热流，反映了中新生代以来构造活动逐渐减弱，盆地不断冷却的结果；从盆地内热流分布看，热流分布南高北低，反映了江汉盆地构造活动的不均一性。

Results from the experiment on an EHD experiment bench show that condensation heat transfer in a horizontal tube responds strongly to the EHD technique; the effect is greater for lower heat flux but lesser for higher heat flux; the enhancement coefficient is proportional to the exerted voltage for a constant heat flux and reaches as high as 156% under the conditions described in this paper.

在电流体力学强化传热试验台上进行了水平管内凝结传热的强化试验研究，结果表明，EHD技术对水平管内的凝结传热有明显的强化效果；低热流密度时，强化效果较好，增大热流密度时，强化效果减弱；热流密度维持不变时，强化系数随强化电压的升高而增大；在本试验条件下，对凝结传热的最大强化系数为 1 5 6%。

The numerical results are obtained by using the inverse Laplace transform method; and the results are used to analyze the influences of the coupling parameters of thermo-hydro-mechanical dynamic response.

采用Laplace逆变换得到数值结果，分析了热流固耦合参数的影响特性，并将热流固耦合结果与热弹性条件下的结果进行比较，以验证热流固耦合条件下结果的正确性。

Most of the current finite element software packages treat it using the net-radiation method or absorbed radiation method based on the assumption of isothermal surface with uniform radiation heat flux,which brings the conflict between the precision and the quantity of grids.

进行了选用高阶单元、采用高斯积分精确计算单元表面变辐射热流方法的研究，从而摆脱了一致表面温度和辐射热流的假设，使得在相同网格密度的情况下计算精度大大提高；同时，从包含辐射换热问题的有限元计算方程出发，采用与有限元数值计算时相同的积分方案，只在独立的积分点处计算辐射热流，克服了积分方法计算效率低的缺点。

In this paper we will mainly study the gauge fixing Yang-Mills heat flow of a principal bundle For a principle bundle with a compact seme-simple Lie group as its structure group over a compact Riemannian manifold without boundary, the evolutions of the curvature and its higher derivatives under the flow above will be derived, and the energy inequality and the Bochner type estimates will be obtained.

中文摘要：本论文主要讨论主丛上的规范固定Yang-Mills热流我们在紧致无边黎曼流形上的以半单紧致李群为结构群的主丛上，推导了在规范固定Yang-Mills热流下曲率及其高阶导数的演化方程，得到了该热流的能量不等式和Bochner估计，由此可推出单调性公式和小作用量正则性，以及曲率各阶导数的局部一致估计。

In this paper we will mainly study the gauge fixing Yang-Mills heat flow of a principal bundleFor a principle bundle with a compact seme-simple Lie group as its structure group over a compact Riemannian manifold without boundary, the evolutions of the curvature and its higher derivatives under the flow above will be derived, and the energy inequality and the Bochner type estimates will be obtained. Then, the monotonicity formula and the small action regularity theorem can be proved. We will give the locally uniform estimates for the higher derivatives of the curvature.

本论文主要讨论主丛上的规范固定Yang-Mills热流我们在紧致无边黎曼流形上的以半单紧致李群为结构群的主丛上，推导了在规范固定Yang-Mills热流下曲率及其高阶导数的演化方程，得到了该热流的能量不等式和Bochner估计，由此可推出单调性公式和小作用量正则性，以及曲率各阶导数的局部一致估计。

However, the present-day's heat flow in the rift basin depends on the age of rifting.

裂谷盆地的地热随地质历史的演化逐渐降低，在裂谷拉张阶段具有很高的热流值，但现今的热流值则取决于裂谷发生的时间：中新生代裂谷仍保留较高的热流值且具有典型的&热幔冷壳&结构，而古裂谷现今的热流值较低。

Radioactive heat-producing element abundance in the crust of continental China estimated from terrestrial heat flow and the helium isotopic composition of underground fluids

根据实测岩石热导率和测温资料计算了柴达木盆地的大地热流值并编制了热流分布图，对 47个测点的热流值进行了统计。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。