高温化学的

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

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。

SiC ceramic has been extensively applied in precision bearings, sealing element, steam-turbine rotor, burner nozzle, heat interchanger parts, atomic reactor materials and etc. because of its excellent properties in high temperature mechanical properties, antioxidatio, abrasion resistance, thermal stability, smaller coefficient of thermal expansion, larger thermal conductivity, hardness, thermal shock and chemical corrosion.

SiC陶瓷具有优良的高温力学性能，抗氧化性强、耐磨损性好、热稳定性佳、热膨胀系数小、热导率大、硬度高以及抗热震和耐化学腐蚀等优良性能，被广泛应用于精密轴承、密封件、气轮机转子、燃烧喷嘴、热交换器部件及原子热反应堆材料等，并日益受到人们的重视，应用前景十分广阔。

It is the best packing for sealig and heatproof in the presence of high temperature and atrong pitting.

它在各种高温及化学侵蚀较强的场所是隔热密封的最佳盘根。

Theoretical analysis and experimental results indicate that reaction of zinc with selenide as fully as possible under H2-O2 flame at about 1500℃ is the key step in the synthesis process and prolonging holding time at high temperature, which makes the diffuse reaction adequately take place, is favourable to obtain stoichiometry ZnSe polycrystalline.

理论分析和实验研究均表明：前期H2-O2焰下高温灼烧(~1500℃)使Zn和Se充分反应，是合成工艺的关键；延长后期恒温时间（不少于2周），使扩散反应进行完全，有利于获得更接近化学计量比的ZnSe多晶料。

All Duraboard products offer low thermal conductivity, high temperature stability, uniform density, and excellent resistance to thermal shock and chemical attack.

所有Duraboard产品都具有低导热率、高温稳定性、均匀的密度，以及优异的抗热冲击及化学侵蚀能力。

In this paper, we adopted rapid thermal chemical vapor deposition and zone melting recrystallization methods to deposit polycrystalline silicon thin films and studied the preparation technologies of the solar cells on SiSiC and Al_2O_3 ceramic substrates by high temperature method.

本文采用快速热化学气相沉积和区熔再结晶相结合的方法，在SiSiC和Al_2O_3等陶瓷衬底上制备多晶硅薄膜，并初步探索了高温路线制备多晶硅薄膜太阳电池的相关工艺。

In this paper, the optimization of chemical composition of austenitic cast iron with D-type graphite was introduced.

对 D型石墨奥氏体基体铸铁的化学成分进行了试验设计，研究了高温不同温度下它的抗氧化性能，探讨了抗氧化机理。

Theopportunity of cross linking reaction between the wood of impreg PF resin treated by hightemperature(150℃-160℃)heating and free radical of wood increased.

木材和PF预聚物之间相互作用的机理可能是；①木材自由基活化了PF预聚物分子，产生-C＝O键；②PF预聚物浸注于木材中，经高温(150℃～160℃)加热处理同木材自由基发生各种复杂反应的机会多，形成化学交联。

To gain better chemical and physical performance, a compound needled filter felt comprises of 2 or more kinds of fiber material.

它是由二种或二种以上的耐高温纤维混合及层壮复合，以实现更高、更新的物理及化学性能。

Five synthesis methods of AlN powder were discussed,namely direct nitrogenation of Al powder,carbothermal reduction of Al2O3,chemical vapor deposition,sol-gel method,self-propagating high-temperature synthesis and plasma chemical synthesis.

凝胶法、自蔓延高温合成法和等离子化学合成法；分析AlN烧结助剂的选择和5种烧结工艺：热压烧结、无压烧结、放电等离子烧结、微波烧结及自蔓延烧结；阐述AlN基板的制备工艺及其影响因素。

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。