This paper describes the principle of laser Flash method and the measured results of axial thermal conductivity of carbon fibers by Flash method.
介绍用激光脉冲法测量碳纤维轴向热导率的方法原理和测试结果。
What is actually measured in the method is the concrete conductivity, which depends on both the pore structure and pore fluid chemicals of concrete.
该方法本质上测量的是混凝土电导率,其值的大小取决于混凝土的孔隙结构和孔溶液的化学成分。
In order to overcome the disadvantages of traditional method of gas concentration detection, a new method is proposed which keeps thermal conductivity sensor at a constant temperature.
为了克服传统热导传感器气体检测方法的诸多缺陷,提出了一种使传感器保持在恒温状态的气体浓度检测的新方法。
On this basis, the feasibility of studying the conductivity of mortar as a new method of interface investigation was discussed.
在此基础上着重讨论了将研究砂浆的导电性作为界面研究新方法的可行性。
This article described the determination of hydrogen in steel, copper, niobium, tantalum and titanium with ceramic crucible by high frequency induction-thermal conductivity method.
介绍了采用陶瓷坩埚用高频加热-热导法测定钢铁、铜、铌、钽、钛中的氢。
The testing method of soybean seed vigor by electrical conductivity test was appropriate because of its convenience, fastness and accuracy.
电导法测定简便、快速、准确,可作为大豆种子活力测定的适宜方法。
A method for measuring the electron conductivity in mixed conductor is pre-sented.
提出了一种求取混合导电体电子电导率的方法。
The verification method and principle for the conductivity meter of light fuel oil are described.
叙述轻质油料电导率仪的检定原理及检定方法。
The probe method for measuring the thermal conductivity of multifunction material hollow glassy microsphere is presented.
介绍了一种用探针法测定多功能新材料空心玻璃微球热导率的方法。
The main influencing factors on electrolysis efficiency of the method were: oxide cathode conductivity, O2- diffusion, cathode potential, anode material.
影响该方法电解效率的主要因素有:氧化物阴极导电性、O2-扩散、阴极电势、阳极材料。
Three temperature and three conductivity method for the real time measuring the concentrations of the chemical composition of sodium aluminum solution is proposed.
提出了实时测量铝酸钠溶液化学成分(苛性钠、氧化铝和碳酸钠)浓度的三温三电导法。
This paper describes a rapid weight-loss method for the on-line calibration of conductivity moisture meter.
本文采用快速失重式水分测量装置作为水分标定装置,对电导式水分仪进行在线标定。
The results showed that the soluble salt in S. salsa planted soil decreased by 41 % (method of weight) and 37% ( method of electric conductivity) compared with that of control respectively.
结果表明,种植区碱蓬根系土壤的可溶性盐分与对照土壤相比下降了41%(重量法)和37%(电导法);
According to the uniformity principle of temperature gradient, the high conductivity material constructs are optimized by bionic optimization method.
以温度梯度均匀化为准则,利用仿生优化方法得到了域内有均匀和非均匀热源时高导热材料的最优布置。
A three layer series-parallel model of the Voltage Shorted Compaction (VSC) method for conductivity measurement of organic conductor was proposed.
对用于有机导体电导测量的电压端短路法(VSC)提出了一个三层的串-并联物理模型。
Results show that the measuring method with the conductivity electrode placed at the nozzle outlet can describe objectively the distribution of the tundish fluid flow.
结果表明,只有将电导电极置于水口出流部位的测定方法才能客观地反映中间包内流体的流场分布情况。
In this paper, the diaphragms and strips with finite conductivity are studied by the method of lines.
本文应用直线法分析非理想导体所构成的薄感性膜片,其等效电抗和等效电阻能同时计算获得。
The method converges faster than conventional successive approximation method (SAM) and can be applied to high conductivity contrast formation.
与传统的逐次逼近解法(SAM)相比,该方法收敛性强,应用范围广,可适用于高电导率对比地层。
In this paper, the thermal conductivity of railway ballast is measured by steady comparison method.
采用稳态比较法,对铁路碎石道碴层的导热系数进行了测试。
In this paper the polyaniline free standing film with better electric conductivity and mechanical properties was prepared by electrochemical method and doping with perchloric acid.
采用电化学方法,以高氯酸为掺杂剂,合成了具有较好导电性能和机械性能的聚苯胺自支撑膜。
In order to improve the convergence rate, a correct Fourier expand method was introduced to differential theory of the finite conductivity diffraction grating.
在有限电导率光栅的微分理论中引入校正傅里叶展开方法,改善了计算收敛性。
According to static electricity problem in paper feeding, printing and other production processes, the method of eliminating static electricity by electrical conductivity of paper was put forward.
针对纸张输送、印刷以及其他工序中的静电问题,提出了利用纸张导电性来消除静电的方法。
In this paper, the concept and the method of scaling are described, and some examples of scaling of soil water characteristic curve and unsaturated hydraulic conductivity are given.
本文简述了标定的原理、田间土壤水分特征曲线和非饱和导水率的标定方法,还给出了水分运动参数标定的实例。
Electrical conductivity method can be used to monitor dynamically the dehydration process of hydrous minerals, and to study the distribution and migration kinetics of free water.
电导率法是适用于含水矿物脱水过程动态监测及脱水过程中水的分布、迁移等动力学过程就位研究的有效方法。
A transient method with rectangular pulse heating has been developed to measure the specific heat and thermal conductivity of solid structural materials at low temperatures.
提出了一种采用方波热脉冲测量低温下固体结构材料的比热和热导率的非稳态方法。
A new measurement technique for thermal conductivity of solids at high temperature by the hot wire method is developed.
开发出一种使用热线法测量和确定高温下固体材料导热系数的新方法。
We adopt the method of the relative composite standard uncertainty for estimating the uncertainty of copper alloy electric-conductivity measured by Kelvin method.
采用相对合成标准不确定度的评估方法,对用开尔文法测量铜合金导电率结果的不确定度进行了评估。
Two models with high conductivity contrast are used to demonstrate convergence and efficiency of the AMG method.
对两个存在大的电性差异的模型进行了模拟计算,以验证代数多重网格法的收敛效率。
The integral equations were computed by modified successive approximation method (MSAM). The method needs less computer memory requirements and is suitable for high-conductivity-contrast formation.
采用改进型逐次逼近解法(MSAM)计算了积分方程,该方法所需内存量小,且可适用于高电导率对比度地层。
The integral equations were computed by modified successive approximation method (MSAM). The method needs less computer memory requirements and is suitable for high-conductivity-contrast formation.
采用改进型逐次逼近解法(MSAM)计算了积分方程,该方法所需内存量小,且可适用于高电导率对比度地层。
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