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- Some differences have also been found in the formation products produced by mechanical alloying and rapid quenching, for example, on melting point depression, hardenability and thermal stability. 机械合金化也对力学性能产生很大影响,比较机械合金化技术和快淬技术制备同一种亚稳材料,发现在熔点降低,硬度和热稳定性等方面有差异。
- melting point depressant 降熔元素
- The melting point of a substance. 某物质的熔点
- It can visibility depress the slag viscosity and melting point,improve slag's fastness with adding a few CaF2. 炉渣中加入少量CaF_2时,可以显著降低炉渣粘度和熔点,改善其稳定性。
- What is the oxygen melting point? 氧气的的溶点是多少?
- In contrast, iron has a much higher melting point. 相反,铁有着高的多的熔点。
- The melting point of lead is lower than that of iron. 铅的熔点比铁的低。
- Account should be taken of the low melting point of this substance. 应该考虑到这种物质的熔点低.
- The melting point of copper is not so high as that of iron. 铜的熔点不如铁高。
- A pour point depressant (PPD) for improving the cold fluidity of diesel oils was studied. 摘要对柴油降凝剂进行了研究,降凝剂为苯乙烯、顺丁烯二酸酐及正十八胺三元共聚物。
- Pure substance normally have sharp melting points. 纯质在正常情况下有鲜明的熔点。
- A terpolymer of styrene,diisooctyl maleate,octadelyl acrylate was synthesized as pour point depressant for base-oils. 合成了苯乙烯-马来酸二异辛酯-丙烯酸十八酯三元共聚物用作基础油降凝剂。
- At last,we discuses the use of pour point depressant and viscosity reducer for super viscosity crude oil. 同时对特稠油的降凝降粘应用作了一定探讨。
- The erosion of metals varied depending largely on the melting point. 金属的烧蚀在很大程度上随熔点而变化。
- Synthesis and purification of long chain alkyl acrylate as intermediate of pour point depressant were introduced . 介绍了降凝剂中间体丙烯酸高碳醇酯的合成和产品分离提纯方法。
- An application of wheel flow simulator in the evaluation of pour point depressant is described in this paper. 探讨了用转轮流动模拟器评价原油降凝剂的效果和模拟输油管道输送添加降凝剂含蜡原油的工业性试验的可行性。
- Bismuth does lower the melting point and improves wetting but has limitations. 铋确实能够降低熔点,并提高熔湿特性,但是它也具有局限性。
- This paper studies shear effect on the viscosity and gel point of Daqing waxy crude beneficiated* by pour point depressant (PPD) through experiments. 通过管流剪切、过泵剪切模拟试验以及管输模拟试验,研究了剪切作用对加剂大庆原油粘度和凝点的影响。
- Melting Point :630 oC,,Density 62g/ cm3,,with badness character in heating. 熔点630度,密度6.;62克克//厘米33,导热不良。
- The pour point depressant(PPD)and drag reduction agent(DRA)play a key role in the oil transportation in Kelamayi Oilfield. “两剂”(降凝剂和减阻剂)在克拉玛依油田原油外输中发挥了非常重要的作用。