Replacing the existing heat exchanger in the extraction section can prevent the corrosion of the products from the decomposition of sulfolane to the heat exchanger; 对抽提工段的换热器进行更换,可以防止环丁砜分解物对换热器的腐蚀;
The result showed the heat resistance of the complex material was obviously superior to that of common phenolic resin, the initial thermal decomposition temperature of the complex material was above 410 ℃, the residual ratio of carbon was ≥ 46% at 800 ℃. 结果表明:坡缕石/桐油酚醛树脂的耐热性均显著优于普通的酚醛树脂,其初始热分解温度为410℃,当热分解温度≥800℃时,残炭率≥46%。
In view of the fracture mechanics, heat conduction and dynamics of thermal decomposition of solid propellant, the meso-scale hot-spot model of crack friction was established. 利用断裂力学、热传导、推进剂热分解动力学方法,建立裂纹摩擦热点细观模型。
The reason why it is named fin is that it can be used to enhance heat transfer as a newtype fin, such as enhancing heat exchanger burner, obtaining heat from boiling bed, strengthening condenser of splitting decomposition and cooling high temperature mineral etc. 之所以称之为翅是因为它以一种翅片形式引入到空间表面进行强化换热,如可用于高温沸腾床内取热、急冷换热器、高温矿物的冷却等。
The heat properties of the composite were studied by DMA and TGA. The results showed that when the content of CNTs was less than 1.0%, the glassy transition temperature of the composites lower than that of PMMA and the decomposition point had no evidently change; DMA和TGA的研究表明,碳纳米管用量少于10%的复合物玻璃化温度降低,分解温度无显著变化。
No obvious abnormal heat capacity was observed within this low temperature range. The thermal decomposition temperature range of the complex was near 333 K. Its decomposition temperature, decomposition enthalpy and entropy were 320.010 K, 40.714 kJ/ mol and 127.227 J/ molK, respectively. 333K附近是该配合物的分解温区,配合物的分解温度、分解焓和分解熵分别是320.010K、40.714kJ/mol和127.227J/molK。
The uniform energy equation is constructed for whole domain, and its nonlinear heat transfer problem is directly treated instead of the domain decomposition. 在整个区域建立统一的能量方程,将分区域求解问题化为整个区域的非线性问题处理。
The propellant containning FS has larger the apparent heat of decomposition, so the burning rate and the burning rate enhancement of the propellant are higher. 和参比推进剂相比,含FS的推进剂表观分解热大,故燃速也高,增速作用亦大。
In the heating process of the complex, the infrared spectra of the solid products of heat decomposition of the complex at 21 different selected temperatures have been measured, and the mechanism of heat decomposition was infered. 测定在21个不同温度下配合物发生分解反应后产物的红外谱图;提出了配合物热分解机理的一些论断;
The excellent heat properties of PASA were determined by TG analysis, the decomposition temperature of PASA is up to 312 degress. TG分析显示PASA具有优良的耐热性能,其分解温度高达312℃。
A Controlled Gas-mixture for the Heat Treatment of Matel ── A Technology of Pressurized Ammonia Decomposition 金属热处理中的一种可控气氛&加压氨分解技术
The thermal decomposition Kinetics parameters can indicate the heat resistance quantitatively and confirm the relation of heat decomposition rate with temperature, it is very useful for application. 通过热分解动力学参数可以综合地、定量地表征聚合物的热稳定性,并且可确定热分解速率与温度之间的关系,给出热分解速率的峰值,对实际应用有指导意义。
The results show that in comparision with the control propellant, the larger the apparent heat of decomposition of the propellant containing carbon substances, the higher the burning rates of the propellant. 结果表明:使推进剂表观分解热愈大的碳物质,则导致推进剂的燃速愈高。
So vermiculite enhanced the fireproof and heat insulation properties of nylon by increasing activation energy barrier and decreasing decomposition rate. 蛭石通过增大热分解的能垒,降低分解速度,从而提高复合膜涂层锦纶的隔热性能。
The non-static use of textile materials in the fire scene with a high temperature and heat fluxes, would inevitably result in insufficiency of the thermal protective performance and the aging decomposition of the material. 而纺织材料在火场等高温强热流环境下的非静态使用,不可避免地会有热防护功效不足和材料老化的问题。
Quality results showed that after heat treatment, moisture content of wheat were significantly affected and dry matter content were changed a little, viability of wheat were reduced, respiratory rate and decomposition of nutrients were accelerated. 品质测定结果表明:热处理对小麦含水率有明显影响,对干物质含量影响较小,热处理降低了小麦的生活力,加快了小麦的呼吸速率及营养物质分解。
The introduction of an equivalent specific heat capacity at constant pressure can decrease the simulation error because of the heat loss from combustion chamber and the decomposition heat of polyatomic gas. 引用等效比定压热容可减小因装置散热和多原子气体高温离解引起的仿真误差。