查询词典 thermal conductivity

The thermal conductivity of the silica aerogels was determined using the transient hot-wire ...

结果表明：两种方法制备的气凝胶均是典型的纳米孔超级绝热材料，后者热导率略高但成本低许多，所以更具应用推广潜力。

A new experimental apparatus has been developed for measuring the thermal conductivity of liquid by the two transient hot-wire method, which is based on the theory of one-dimensional unsteady heat conduction in infinite medium.

摘 要：采用双热线瞬态热线法研制出一套瞬态双热线液体导热系数测试装置，在阐述该测试仪器的基本原理和测试方法的基础上，就该仪器对乙醇、乙二醇、甘油和去离子水进行测试的实验情况及结果进行了分析与比较。

According to biology thermal conductivity equation,a hyperthermia treatment maths model is established.

在生物热传递方程的基础上，建立了典型的热疗数学模型。

The indexes (including the appearance, dimension, density, thermal conductivity, temperature for shrinkage under hot load and so on) in this standard are identical with the Japan standard, but those the Japan standard doesn't have (for instance, the pipe shell eccentricity, water content, shot content, incombustibility and so on) are added.

本标准中外观、尺寸、密度、导热系数、热荷重收缩温度等指标与日本标准等同，增列了日本标准所没有的管壳偏心度、含水率、渣球含量、不燃性等指标。

As a new material with many functions: being light, heat insulation, bearing acid and alkali, non-toxic, incombustible, not having fetid odor, the floating bead of pulverize coal ash was firstly chosen to produce light preservation material. In the article, a suitable production way and a new method of using pulverize coal ash systematically were found, which had active effect on stove industry and the refractoriness of light preservation brick with floating bead is 1100~1300℃, the suitable temperature was 400~1150℃, thermal conductivity is 0.105~0.127W.

粉煤灰漂珠作为一种新兴多功能材料，由于它具有轻质、绝热、耐酸碱、无毒、不燃烧、无臭味等特点，将之用作生产轻质保温材料首选材料，并探索出一条合理的生产工艺路线，为粉煤灰的综合利用开辟了一条新途径，对窑炉工业的发展将产生积极的推动作用；生产的轻型漂珠保温砖的耐火度为1100~1300℃，最佳使用温度为400~1150℃，导热系数为0.105~0.127W。

Based on the Joule heating effect of the electrically conductive concrete, the finite element method is introduced to analyze the thermal conductivity of the material.

本文提出了利用导电混凝土的电热效应，通过有限元分析计算以及由此而设计的实验得到导电混凝土导热系数的方法，并通过实验证明了该方法的可行性。

From the point of kinetic theory of gases, these paper analyzed parameter characteristics of vacuum cavity model on vacuum survey of all-glass evacuated solar collector tubes, and suggests emphatically relationships between vacuum and molecular velocity, thermal conductivity and other parameters.

从气体动理论出发，分析了太阳真空集热管真空度测量的负压腔模型的动态特性，并重点讨论了分子速度、导率等参数与真空度测量之间的内在联系。

From the point of kinetic theory of gases, these paper analyzed parameter characteristics of vacuum cavity model on vacuum survey of all-glass evacuated solar collector tubes , and suggests emphatically relationships between vacuum and molecular velocity, thermal conductivity and other parameters.

从气体动理论出发，分析了太阳真空集热管真空度测量的负压腔模型的动态特性，并重点讨论了分子速度、热导率等参数与真空度测量之间的内在联系。

In most crystal systems and in laminated materials the number of components of the thermal conductivity is less than six.

在大多数晶系和层状物质中，热导率的分量数小于6。

It is generally recognized that soil thermal conductivity is increased at elevated temperatures due to the enhanced latent heat transfer.

由于水汽潜热传热在高温下的显著作用，高温下的土壤热导率显著高于常温值。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。