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- triple point depression curve 三相点降低曲线
- The rank 1 torsion-free sheaves on a rational curve with one simple triple point are classified, and the moduli space is discussed. 摘要考虑含有一个简单三重点的有理曲线,对这条曲线上秩为1的无挠层进行分类,同时讨论它的模空间。
- In 1954 it was decided by international agreement to use the triple point of water as the reference point. 1954年经国际协议决定采用水的三相点作为参考点。
- The point at which the incident wave, reflected wave, and Mach fronts meet is called the "triple point". 入射冲击波、反射冲击波与马赫波波阵面汇合之点叫做“三相点。”
- 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。
- A unit of temperature equal to 1/273.16 of the Kelvin scale temperature of the triple point of water. 中义凯氏的一个单位(一度)等于水三相变化範围的273.;16分之一。
- 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。
- A unit of absolute temperature equal to1/273.16 of the absolute temperature of the triple point of water. This unit is equal to one Celsius degree. 开绝对温度单位,等于水的三态点绝对温度的1/273。16。这个单位等于一摄氏度
- It elaborates the principle of the vacuum freezy-desiccation technology by the triple point sketch map of the water. 通过水的三相点示意图,阐述真空冷冻干燥技术的原理;
- 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。
- A unit of absolute temperature equal to 1/273.16 of the absolute temperature of the triple point of water. This unit is equal to one Celsius degree. 开绝对温度单位,等于水的三态点绝对温度的1/273.;16,这个单位等于一摄氏度。
- 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
- Based on the computation of double point, triple point, and quintuple point, it computes scalar multiplication nP by using properoperations. 该算法在已知二倍点、三倍点和五倍点运算量的基础上,经过恰当的运算计算标量乘。
- 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。
- This paper put forward a refrigeration system with CO2 vapor-solid particles as refrigerant, by which the temperature lower than the triple point is achieved. 提出一种利用CO2蒸气固体颗粒作为制冷剂的制冷系统,可以以CO2为工质获得三相点以下的温度。
- Through analyses and comparisons of depression curves parameters which may represent the behaviours of stratum are obtained. 通过对抽水孔、观测孔压降曲线的分析对比,计算出能够代表地层特性的参数。
- Some practical problems arising from the adoption of the absolute scale ol temperature as standard in place of the Celsius scale are discussed. The absolute scale is fixed by assigning a numerical value (say T_3=273.1700) to the triple point of water. 本文对在给定水的三相点的绝对温度以一定的数值(例如T_3=273.;1700);同时以绝对温标代替摄氏温标以后所引起的一些实际问题作了讨论。
- 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。
- The triple point of water (TPW) is not only the sole reference point for Kelvin Thermodynamic Temperature Scale (KTTS), but also a fundamental defining fixed point of International Temperature Scale of 1990 (ITS-90). 水三相点是开尔文热力学温度的唯一基准点,也是ITS 90国际温标重要的定义固定点。