导热

The PCBN cutting tool, with many advantages such as good wear resistance, thermal and chemical stability, low friction factor and so on, has incomparable superiority when hard machining ferreous materials, instead of grinding, is becoming a new kind of finish machining way.

PCBN刀具具有硬度高、耐磨性好、热稳定性和化学稳定性好，导热性良好以及摩擦系数低等优点，在硬态加工铁系材料时具有无可比拟的优越性，正逐步取代磨削加工而成为一种新的精加工途径。

They owed current most advanced N-meter material and excessive items galvanothermy theca patent technologies. This technology can introduct heating forcefully, high heating-utilized, it can save electricity for 30%, its life is 10 times of galvanothermy thread. It went by the name of permanent galvanothermy system.

本集团拥有当今世界最先进的纳米材料及多项电热膜专利技术，该技术具有强烈的单向导热性：热利用率极高，省电30%，比电热丝寿命长10倍，在国际上被称为永久性电热系统。

The analysis of the basic knowledge of geothermic field of natural gas hydrate reservoir regions in seafloor indicates that it is feasible to establish the basic geothermic field model of natural gas hydrate reservoir regions in seafloor following the theory and method of basin geothermic model.

在分析海底天然气水合物赋藏区域地热场特征的基础上，借鉴盆地地热模型理论和方法，建立了海底天然气水合物赋藏区域的地热基本模型，并详细介绍了边界条件和导热系数的确定方法。

They showed the highest tensile strength and thermal conductivity, and can be semi-conductive or metallic depending on how the graphitic sheets are rolled up.

它们具有最高的轴向强度和导热系数，并且随着石墨层片卷曲方式的不同，既可以是导体，也可以是半导体。

Into its high-strength foot portion, at least one nozzle tip is insertable; a high-strength heat-conductive envelope tube having a re-entrant outer shoulder adjacent the casing is joined to a separating sleeve of the shaft.

至少一喷嘴头可插入其高强度脚部内；有毗邻型箱的内陷外台肩的高强导热包封管接到轴的隔离套筒上。

Some time agffxi power levelingo, and interesting discovery was dofus kamas made by archaeologists on the Aegean island of Kea.

导热油加热器这种现象，十分怪异：一个人不自觉在心理上变成了另一个人。

In previous researches, the numerical simulations were mainly focused on the convective heat transfer in the fluid zone of the louvered fin geometry. Virtually, the heat conduction in the fins and the convective heat transfer of air are coupled each other.

国外有学者对百叶窗翅片内的流场和温度场进行了数值模拟，事实上，在百叶窗翅片上的传热过程中，翅片的导热和空气的对流换热是相互耦合的，而这在以前的研究中忽略了。

According to the mensurative result of toughness、thermal conductivity and compressed intensity of composite of the metal resin, we select the best formula of metallic powder reinforced epoxy resin.

最后，对背衬材料进行了研究，设计一些金属改性树脂的配方，最终通过对配方制出的金属树脂进行冲击韧性、导热性和抗压强度的测定，选出了较优的环氧树脂基金属树脂的配方。

The effects of microburner dimensions, heat conductivity and thickness of wall, external heat losses and wall roughness on com-bustion characteristics were studied.

模拟结果显示，燃烧器内径的变化、壁面导热系数、对流换热系数和壁面厚度的变化影响了热量在壁面内的传递和流体内径向温度的传递，使得燃料点燃和燃烧稳定性受到影响，甚至导致燃烧停止。

For naturally cooled monobloc barrel, its thermal condition in regular regime can be evaluated by measuring the outside temperature of two arbitrary rounds;(2) During a sustained firing process, unsteady heat conduction exists in a monobloc barrel, whereas unsteady and quasi steady heat conduction exist with actively cooled composite barrels, meaning that the thermal condition changes from uncontrolled to controlled;(3) Different combinations of the convective heat transfer coefficient h and thickness of gun barrel δ have much effects on cooling the bore temperature.

利用有限元软件分析了某大口径火炮身管的温度场分布，并对自然散热条件下的单筒身管和主动冷却条件下的复合身管温度场进行了比较，其结果为(1)身管温度场分布存在初始和正规工况阶段，后者的单筒身管热状态可以通过测定任意两发身管外表面温度来评估；(2)持续射击过程中，单筒身管始终处于非稳态导热过程，主动冷却身管则包括非稳态和准稳态两个过程，实现了身管热状态由不可控向可控转变；(3)对流传热系数h和身管壁厚δ的组合对降低内膛温度具有很大影响。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐