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- isolated J point depression 孤立性J点压低
- J point depression with downward sloping ST segment J点压低伴下斜型ST段
- J point depression with slowly upsloping ST segment J点压低伴缓慢上斜型ST段
- J point depression with horizental sloping ST segment J点压低伴水平型ST段
- J point depression J点压低
- The copolymers of EFMA have effects on pour point depression and viscosity reduction of waxy crude oil. 合成了EFMA降凝剂,并考察了它的合成条件和降凝效果。
- The four properties, vapour pressure lowering, freezing point depression, boiling elevation, and osmotic pressure, are known as the colligative properties of solutions. 溶液的这四个特性:蒸汽压下降、凝固点降低,沸点升高和渗透压,称为溶液的依数性。
- Effects of raw material and product color of alkyl naphthalene on the pour point depression of lube oil were investigated. 考察烷基萘的原料(石蜡熔点)和产品色度对该剂降凝效果的影响。
- Mass fraction of Pt being 0.4%, that of F being 1.50%, the bifunctional catalysts prepared by tertiary ammonium exchange h ave better property of pour point depression. 经 3次?交换 ;w(Pt)为 0 .;4%25;载体酸性改进剂w (F)为 1
- A device for determining molar mass with freezing point depression was improved,which consists of the Dewar bottle,sample container,Beckmann thermometer,and motor stirrer. 介绍一个改进的凝固点下降法测定摩尔质量实验装置,它由保温瓶、凝固点杯、贝克曼温度计、电动搅拌器等几部分构成。
- The quality of diesel oil producing was advanced by isomery pour point depression technique applying in hydrogenation unit in Harbin Petroleum Company Branch of PetroChina. 介绍了中国石油哈尔滨石化公司柴油加氢精制-临氢降凝装置采用异构降凝技术提高产品柴油质量的生产情况。
- 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。
- 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。
- The hermetic confines of an isolated life. 与世隔绝生活的不受外界干扰的区域
- Sufferers from the infectious disease are isolated. 感染到这种传染病的人被隔离起来。
- 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。
- The enemy was holed up in a few isolated strongholds. 敌人龟缩在几个孤立的据点里。
- 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。
- 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。
- A deep or isolated place of confinement; a dungeon. 地牢,土牢深而隔离的拘留地; 地牢