导热

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。

Metallic objects such as knives, forks , spoons and lids should not be placed on the hotplate since they can get hot.

因为刀叉汤匙盖子一类金属物品会导热因此不要将这些东西置于烤盘上。

The conclusion results are positive. The shock wave with viscosity and heat conduction is validated a hyperbolic tangent type of soliton wave.

证实了有粘性和导热的激波是一类满足Sine-Gordon方程的双曲正切型孤立波。

Using heating plate can result in non uniform heating and poor accuracy, while the disadvantages of immersion heater are interferences between samples and digestion device.

本项目创造性使用预制石墨块作为导热媒质，把浴式加热和平板加热二者的优点结合在一起，解决了上述问题。

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。

Limited features in advantages of low heat conduction coefficent, favorable silence effect, incombustibility innoxiousness, corrosion-resistance, aging-resistance, easy installation, light weight, good heat preservation and long lifetime compared with other types heat preservation wind pipes, and is widely applied in industrial and civil center air conditioning area.

上海唐博复合风管有限公司生产的TB系列复合玻纤风管，与其他保温风管材料相比，具有导热系数低、消音效果好、不燃、无毒、耐腐蚀、不易老化、安装简捷、重量轻、保温性能好、寿命长等一系列优点，在工业及民用等中央空调领域中正受到广泛应用。

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。

The pearlite which is neutral inorganic substance, non-toxic, tasteless, incombustible, anti-corrosive, the quality light, the thermally conductive inferior characteristic, is one kind of anti-high temperature building material.

珍珠岩属中性无机物，具无毒、无味、不燃烧、耐腐蚀、质量轻、导热性差等特点，为一种抗高温建筑材料。

The density is in 150~2200 kg/m3 and the thermal conductivity is 0.0599W/m·K, density of 150 ~ 2200 kg/m3, thermal conductivity for 0.0599W / m · K. It has a great many merit such as anti-aging, thermal insulation, incombustible, environmental protection, benefit waste, acoustic, noise, low-cost (production cost of 40 ~ 70 yuan / m3), which is a waste of new energy-saving insulation materials benefit.

发泡体在凝固成型中体积不塌陷自然产生2%～5%的膨胀率，密度在150～2200 kg/m3，导热系数为0.0599W/m·K，耐老化，保温、不燃、环保、利废、吸音、隔音、廉价（生产成本40～70元/m3），是节能利废新型隔热材料。

They are inert to chemicals normally found in soil and have good heat conducting properties.

它们是惰性的化学品，通常存在于泥土和具有良好的导热性能。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。