高温化学的

First ,it according to the characteristic of the package material, combine the compare of the some type package materials, and educe the china has the advantages of endure the high temperature, high strength,airproof,good chemistry stability and so on.

首先根据陶瓷材料的特性，结合其它多种典型的包装材料进行比较，得出陶瓷具有耐高温，高强度，高刚度，密封性好，化学稳定性好等优点。

Then using 3,4,5-trichlorobenzotrifluoride as starting material to prepare 2,6-dichloro-4-trifluoromethylaniline through three routines, The direct ammonolysis method may realize the maximum use of the atom and it meets the modern green chemistry requirement. But the reaction must carry on under the high temperature and high pressure condition, and side reaction had occurred, the conversion was high, but the yield of the product was only 68%.

直接氨解法可以实现原子的最大利用率，符合现代绿色化学原子经济性要求，但是反应需在高温高压条件下进行，且有副反应发生，原料转化率高，但所需产品的收率只有68%。

Expanded graphite is a new kind of carbonaceous adsorption material. It is an oxidized, organic compound inserted, and then washed with water, dried with calefaction, expanded at high temperature.

膨胀石墨是一种新型的碳素吸附材料，是由天然鳞片石墨经化学氧化，有机化合物插层、水洗、干燥、高温膨胀而制得的蠕虫状物质。

By the furnace body, the stainless steel crucible, electrically operated toward the multiple swinging material frame, stainless steel fast Leng Bao, the heating unit and control the warm cabinet to be composed automatically, may use the different resolver, carries on components quenching, the tempering heating, the isothermal quench to cool, the liquid thermochemical treatment and so on many kinds of crafts, the furnace body becomes by the section and the steel plate welding, the stove surface uses δ=14mm the board to make, the nitre salt furnace lining uses the ultra light quality high strength 0.6g/cm3 micro bead refractory brick, clamps the stratification aluminum silicate textile fiber, the furnace lining and the furnace shell fills the heat preservation inflation heat preservation powder, the entire structure for the standard energy conservation furnace lining, the nitre salt stove's heating element uses the thick diameter 0Cr25Al5 high temperature resistance wire to circle spiral-shaped according to the average temperature cloth silk law,Places in the furnace lining puts on the silk brick, puts the silk brick to use the front part to go up 20° against falls the silk brick, the resistance wire is not easy to drop out.

由炉体、不锈钢坩锅、电动往复式摆动料架、不锈钢速冷包、电热元件和自动控温柜组成，可以使用不同溶剂，进行零件淬火、回火加热、等温淬火冷却，液体化学热处理等多种工艺，炉体由型钢和钢板焊接而成，炉面采用δ=14mm板制成，硝盐炉衬采用超轻质高强度0.6g/cm3微珠耐火砖，夹层置硅酸铝纤维，炉衬与炉壳间填充保温膨胀保温粉，整个结构为标准型节能炉衬，硝盐炉的发热元件采用较粗直径0Cr25Al5高温电阻丝绕成螺旋状按照均温布丝法，安置在炉衬的搁丝砖上，搁丝砖采用前部上翘20°防掉丝砖，电阻丝不易掉出。

Ceramic materials have the advantages of good chemical stability,high-temperature resistance,size stability and light diffuse reflection .

陶瓷材料具有良好的化学稳定性、耐高温性、尺寸稳定性、光漫反射特性等优点，在大功率激光器上有较好的应用前景。

"They heated small pieces of carbon steel in a closed fireclay crucible placed in a coke fire. This was the first process used in Europe in which the temperature (2,900 F, or 1,600 C) was high enough to melt the steel, producing a homogeneous metal of uniform composition."

"他们将小块碳钢放入封闭耐火黏土坩埚中，用焦炭加热，获得1，600℃高温，首次能将钢材熔化，得到化学成分完全一致的均质金属，用于制造钟表的发条。"

High temperature performance of acid lining of the induction crucible furnace mainly depends on the physical and chemical properties and mineral composition of used refractory .

坩埚式感应炉酸性炉衬的高温性能，主要取决于所用耐火材料的物理、化学性能及矿物组成。

The laser beam irradiates the calculi and produces high temperature, which leads to the chemical decomposition of the ureteral calculi, and then smashes the calculi.

钬激光直接作用于结石，在其表面产生高温，导致结石化学成份热分解，从而达到碎石的目的。

Our successful products are as follows:Coarse Filter Cotton,Ceiling Filter,Floor Filter,Heat-Resistant Air Filter,all kinds of Pocket,Foldaway Filters,Primary Filter,Secondary Filter,HEPA Filter,Activated Carbon Filters,and all different kinds of clean products and equipments used in the cleaning room and ventilation system of HVAC(heating and ventilation application).

各类产品广泛用于：工业喷涂、汽车厂、机场、半导体厂、食品厂、通信电子、化学制药、五金塑胶、家用电器、机电设备、精密仪器、环保等各个空气净化领域。主要产品有：喷涂室用初效过滤棉、顶棉、漆雾毡，干燥箱用耐高温过滤器。初中效袋式，板式，折叠过滤器。HEPA空气过滤器，活性炭过滤器，过滤网，油烟过滤网等洁净室及HVAC通风系统的空气净化设备与产品。

Chemical methods are used to make the aluminosilicates existing in bauxites re-act chemically in the high temperature with hydroxyl groups lost, which makes aluminosilicate crystals collapse due to desiccation, finally the amorphous Si02 may be.

化学方法主要是使铝土矿中的铝硅酸盐矿物在高温条件下发生脱舟基反应。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。