standard conductivity

A gas chromatographic method for the determination of dimethyl carbonate ( DMC) purity and its impurities has been developed with HP-Wax polar capillary column and thermal conductivity detector. Cyclopentanol was used as an internal standard.

提出用HP-Wax强极性毛细管柱分离，热导检测器检测，以环戊醇作内标定量，同时测定碳酸二甲酯纯度及其杂质。

Using a small bead-in-glass thermistor probe as a heating element, an apparatus was developed for measuring thermal conductivity of liquids by the transient method. The apparatus was calibrated by using seven standard substances at 25 ℃, with an average deviation of measurements less than 2%.

以珠状热敏电阻为加热元件，建立了用瞬时法测定液体导热系数的装置，在25℃下用乙二醇等7个标准样品，对该装置进行了标定，平均偏差为2%。

Based on the measurements of the conductivity and the Cl-concentration in water samples, the standard fitting curves of instantaneous injection method of radial convergent flow was hired to obtain the dispersion parameters of unconfined aquifers in test sites.

在对水样进行电导率及Cl-浓度测试的基础上，使用径向收敛流场瞬时注入标准曲线配线法求得试验场地潜水含水层的弥散参数。

By adopting the newest international standard of water and steam ( IAPWS-97), this paper calculates the thermal properties of water and steam, such as dynamic viscosity, thermal conductivity, isobaric heat capacity and specific volume.

采用国际最新的水与蒸汽标准&IAPWS－97计算水与蒸汽的黏度、导热系数、定压比热、比容等热物理特性参数，并与IFC－67的计算结果相比较；

The tensile strength of drawing wire can reach 1421 MPa. And the highest relative conductivity can reach 30% IACS ( International Annealed Copper Standard). The effects of cold drawing on the properties of electrode wire have been investigated.

拉制硬态电极线抗拉强度可达1421MPa，相对导电率最高可达30%IACS（国际退火（软）铜标准）。

The electric-conductivity coefficient of Mo/ Cu FGM attained 27% international annealed copper standard ( IACS), and the thermal-coefficient of third and fourth layer were 204.76 and 249.71?

Mo/Cu FGM电导率为国际退火铜标准（IACS）的27%.第3层、第4层的热导率分别为204.76和249.71W。