查询词典 sic

Key words: SiC monocrystals;temperature gradient;growth rate;polytype;enlarged growth

作者简介：李现祥（1977－），男，博士研究生，研究方向：半导体材料。

The joining of C_f/SiC composites via preceramic silicone resinat high temperature(1200℃)was studied.

对先驱体硅树脂高温(1200℃)转化陶瓷接头连接C_f/SiC复合材料进行了研究。

The joining of C_f/SiC composites with preceramic silicone resin at high temperature was studied.

对先驱体硅树脂高温转化陶瓷接头连接Cf/SiC复合材料进行了研究。

Polycarbosilane was used as the preceramic for matrix formation and 2D layered 0°/90° fabrics as the reinforcement to fabricate C/SiC composites. The effect of pyrolysis temperature and slurry concentration on the properties of the composites was systematically studied.

采用聚碳硅烷作为碳化硅先驱体，以二维0°/90°正交编织碳布叠层后作为增强体，采用真空压力浸渍的方法制备了C/SiC复合材料，研究了裂解温度和浆料浓度对复合材料性能的影响。

Joining of carbon fiber reinforced SiC composite to itself was realized via preceramic silicone polysilazane with aluminium nanopowders as joining materials.

摘 要：采用陶瓷先驱体转化法连接Cf/SiC复合材料。

Al and SiC powders were chosen as active filler and inert filler, respectively, for the fabrication of preceramic-derived multi-phased ceramics, using polycarbosilane as preceramic precursor.

采用微米级Al粉作为活性填料， SiC微粉作为惰性填料，聚碳硅烷作为陶瓷前驱体制备SiC基复相陶瓷。

Al and SiC powders were chosen as active filler and inert filler,respectively,for the fab- rication of preceramic-derived multi-phased ceramics,using polycarbosilane as preceramic precursor.

采用微米级Al粉作为活性填料，SiC微粉作为惰性填料，聚碳硅烷作为陶瓷前驱体制备SiC基复相陶瓷。

Coke properties has been studied by high temperature SiC oven、infrared gas analyzer and X-ray diffraction. First set forward the relationship between UPC and coke reactivity, strength, fine coke and coke graphitization, and creatively find the graphitization degree of coke tends to 100% when temp. reaches to 1350℃ UPC is profitableness to coke properties;②The effect of UPC on liquid slag distribution and flow functions in experiment oven has been studied by mathematics simulation The effect of UPC on taking shape and dropping of high titanium-bearing B. F. slag has been studied by using high temp. oven simulation cohesive zone and dropping zone of blast furnace.

为了弄清楚这部分UPC对高炉冶炼钒钛磁铁矿过程的影响，①在实验室利用高温SiC炉、红外线气体分析仪、X—射线衍射仪等进行了一系列UPC对焦炭性能及石墨化度的影响研究，提出了UPC与焦炭反应性、抗压强度、粉化性能及焦炭石墨化度之间的关系，创造性的发现高炉内1350℃以上，焦炭的石墨化度已达100％，UPC对焦炭性能的影响有益而无一害；②采用数学模拟方式研究了UPC对实验炉内液态渣分布及流函数的影响，并利用高温熔滴炉模拟高炉软熔带、滴落带研究UPC对高钛渣滴落性能的影响，采用旋转式粘度计测定滴落渣性能并通过高倍矿相显微镜观察了滴落渣的矿物结构。

By using pyrophyllite and natural graphite as raw materials, SiC-Al2O3 refractory composite powder were synthesized with the carbothermal reduction method.

以蜡石和天然石墨为原料，通过碳热还原法合成了SiC-Al2O3系复合耐火粉体。

The results indicate that heating temperature has a great influence factor on the synthesis of SiC-Al2O3 refractory composites powder, and the powder can be synthesis by adding a amount of natural graphite into pyrophyllite and heating the mixture to over 1 650 ℃ in argon atmosphere.

结果表明：加热温度对于SiC-Al2O3系耐火粉体的合成具有重要影响。通过在蜡石中添加适量的天然石墨，并将蜡石和石墨的混合物在氩气中经1 650 ℃以上温度热处理4 h，可以合成SiC-Al2O3耐火粉体。

Degaussed resistance is generally rectangular black phenolic resin, there are two or three pins, there are one or two thermal resistance, thermal resistance and some form of sheet is yellow body, two primers feet, like a large round high-voltage ceramic capacitors.

消磁电阻一般是黑色的长方体酚醛树脂，有两个或三个引脚，里面有一个或两个热敏电阻，有的热敏电阻外形是黄色的片状体，有两个引脚，就像一个大的圆形高压瓷片电容。

It is a two storey house with vehicular and pedestrian access from the Bray Road.

它是一座两层的房子，分别有一个车行和人行的通道从Bray路进入。