1) thermal gradient CVI
热梯度CVI
1.
Microstructure and properties of C/C composites prepared by thermal gradient CVI process;
热梯度CVI C/C材料的结构与性能
2.
Using nitrogen, hydrogen respectively as the carrier gas, the C/C composite was fabricated by the thermal gradient CVI process under the condition of 1000℃,0.
在1000℃,0 5kPa丙烯分压条件下,以N2、H2为载气和无载气情况下于热梯度CVI炉中制备了C/C复合材料,研究了载气特别是氢气对材料基体热解炭显微结构的影响。
3.
The carbon cloth and carbon fiber felt are laminated alternately and then needled to prepare the porous carbon/carbon preforms, from which the carbon/carbon composites for aircraft brakes are fabricated by the thermal gradient CVI process.
以炭布与炭纤维薄毡交替成叠层 ,采用针刺技术在垂直布面方向引入增强纤维 ,制成准三维预制体 ,在自行研制的热梯度CVI炉中制备了航空刹车用C/C复合材料 ;采用偏光显微镜研究了沉积炭的显微结构 。
2) isobaric thermal gradient CVI
等压热梯度CVI
3) microwave pyrolysis CVI
微波热解CVI
1.
The textures of samples were observed,the densification rules of microwave pyrolysis CVI were analyzed by densification rate and radial-direction density distribution with different residence time.
2s)对微波热解CVI工艺制备炭/炭复合材料的致密化速率、样品的体积密度及其密度均匀性的影响,并对其组织结构进行了观察。
4) thermal gradient
热梯度;温度梯度
5) thermal gradient
热梯度
1.
Manufacturing of C/C composite brake materials by means of thermal gradient CVD densification techique;
热梯度式CVD增密技术制造C/C复合刹车材料——综合性研究报告[Ⅰ]
2.
The result shows that the DCS was found to be relevant to the thermal parameters such as solidification time,cooling rate and thermal gradient.
A201铝合金有127℃的宽凝固范围,适合作为研究对象;经有系统的改变冒口大小,及平板铸件的长度和厚度,可变化铝合金凝固时的各种热参数,例如:局部凝固时间、冷却速率、热梯度等,而经由DCS的计算,可得出其间的关系。
3.
During thermal gradient chemical vapor infiltration(TCVI)fabricating C/C compos- ites,the complex change of the temperature field is difficult to solve by using analytics.
针对C/C复合材料热梯度化学气相渗透工艺(TCVI)致密化过程温度场难以用解析法求解的问题,建立了TCVI过程非稳态温度场有限元模型,给出了该过程温度场变化的分布曲线,研究了温度场变化规律及致密化效率与沉积温度的关系,数值模拟结果与实验结果吻合较好,为提高TCVI工艺致密化效率提供了理论指导。
6) geothermal gradient
地热梯度
1.
Based on the comprehensive analyses of stratigraphic temperature measurements in the Haila′er Basin,this paper investigates the present geothermal gradient and heat flow of different units,the controlling factors of the present geothermal field and its function in forming oil and gas.
对海拉尔盆地68口井试油测温资料及30口井连续测温资料进行了研究,分析海拉尔盆地不同构造单元地热梯度及地温平面变化,探讨现今地温场的控制因素及现今地温在油气生成中的作用。
2.
Combined with the vitrinite reflectance ( R o) depth relationship calculated by the chemical kinetic model of vitrinite evolution, the theoretical maturity thresholds ( R o) for oil preservation under different geothermal gradient co.
利用国内外业已报道的有机质成油和油裂解成气的化学动力学模型 ,计算了不同类型的有机质在地史条件下的净成油剖面 (有机质成油—油成气耗油 ) ,由此评价了液态油保存的深度下限 ;结合镜质体成烃的化学动力学模型所计算的镜质体反射率与深度的关系 ,评价了不同地热梯度条件下液态油保存的理论上的成熟度 (Ro 值 )下限。
补充资料：负温度系数热敏电阻陶瓷(见热敏陶瓷)
负温度系数热敏电阻陶瓷(见热敏陶瓷)
thermo-sensitive ceramics with negative temperature coefficient
负温度系数热敏电阻陶瓷thermo一sensitiveeeramies with negative temperature eoeffieient在某一特定温度范围，电阻率随温度的升高而明显减小的热敏陶瓷。简称NTC陶瓷。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条