导热系数

Micro-bore calcium silicate without rock cotton is a white, hard new thermal insulation material which has the features of light unit weight, high hardness, low heat conduction coefficient, heat resisting, corrosion-proofed, cuttable and sawable, and widely used in the pipeline of electric, metallurgy, petrochemistry, architecture and shipbuilding industry, and heat resisting, fireproofed and soundproofed equipment of the house wall.

提示：为保障您的交易安全，推荐采用&支付宝&支付；如果您因采用支付宝而受到损失，本站将全额赔偿！无石棉微孔硅酸钙是一种白色、硬质的新型保温材料，具有容重轻、强度高、导热系数小、耐高温、耐腐蚀、能切、能锯等特点被广泛应用于电力、冶金、石化、建筑、船舶等领域的设备管道、墙体屋面的保温隔热和防火隔音。

Micro-bore calcium silicate without rock cotton is a white, hard new thermal insulation material which has the features of light unit weight, high hardness, low heat conduction coefficient, heat resisting, corrosion-proofed, cuttable and sawable, and widely used in the pipeline of electric, metallurgy, petrochemistry, architecture and shipbuilding industry, and heat resisting, fireproofed and soundproofed equipment of the house wall.

速购网提示：为了保障您的交易安全，推荐采用速购宝支付；如果您使用速购宝受到损失，速购网全额赔偿！无石棉微孔硅酸钙是一种白色、硬质的新型保温材料，具有容重轻、强度高、导热系数小、耐高温、耐腐蚀、能切、能锯等特点被广泛应用于电力、冶金、石化、建筑、船舶等领域的设备管道、墙体屋面的保温隔热和防火隔音。

Micro-bore calcium silicate without rock cotton is a white, hard new thermal insulation material which has the features of light unit weight, high hardness, low heat conduction coefficient, heat resisting, corrosion-proofed, cuttable and sawable, and widely used in the pipeline of electric, metallurgy, petrochemistry, architecture and shipbuilding industry, and heat resisting, fireproofed and soundproofed equipment of the house wall.

速购网提示：为了保障您的交易安全，推荐采用速购宝支付；如果您使用速购宝受到损失，速购网全额赔偿！无石棉微孔矽酸钙是一种白色、硬质的新型保温材料，具有容重轻、强度高、导热系数小、耐高温、耐腐蚀、能切、能锯等特点被广泛应用于电力、冶金、石化、建筑、船舶等领域的设备管道、墙体屋面的保温隔热和防火隔音。

In this thesis, the engineering property of the frozen earth in the frozen railway roadbed in Anduo section (between DK1561+975-DK1562+530) of Naquhe region of Qinghai-Tibet railway was studied indoor. The change of engineering property of the earth samples with different water content , density and temperature were researched. The influence of concentration of the diffluent salt to the frozen strength was pilot studied. The thermal conductivity of the soil was experimented. With the result and data of the tests, the earth temperature field in Anduo section was demonstrated by numerical analysis, the structure parameter of the spall revetmentd and the rubble berm was given, the stability of the railway roadbed was evaluated.

本文以青藏铁路格尔木-拉萨段那曲河地区安多段(DK1561+975～DK1562+530)冻土路基为对象，对该地区冻土的工程性质进行了室内试验研究；对不同含水率、不同压实度的土样，研究在特定温度变化范围内工程性质的变化：初步分析了易溶盐含量对冻结强度的影响：测试了土样的导热系数；在室内土工试验的基础上，根据测试结果和数据，对安多段区域地温场进行了数值模拟，分析了该工点区间内合理片石护道、碎石护坡结构参数，评价了路基稳定性。

The influence of SiO2, Fe2O3 on the thermal conductivity, melting point of risers covering flux were studied in the paper and the effect of dilative graphite on expansibility and heat-insulating property were also investigated. The high temperature microstructures and the thermal insulation mechanism were researched by scanning electron microscope.

在综合硅酸盐相图理论知识及大量国内外研究资料的基础上，着重研究SiO2、Fe2O3对保温冒口覆盖剂的导热系数、熔化温度的影响，以及膨胀石墨对冒口覆盖剂膨胀性和保温性能的影响，并利用扫描电镜分析了冒口覆盖剂高温烧结微观组织形貌及其保温机理。

The viscosity and heat conductivity of magnetized ammonia-water with magnetizing intensity of 0 to 0.14 [0.26] tesla and magnetizing time of 10 to 30 minutes are measured by the method of Engler viscosity measurement and transient double wire measurement.

分别采用恩氏粘度法和瞬态双热线法测量装置，对不同磁化强度和磁化时间的氨水粘度和导热系数进行了测量，氨水溶液浓度为25%，磁化强度范围0～0.26T，磁化时间10～30min。

The analysis of the basic knowledge of geothermic field of natural gas hydrate reservoir regions in seafloor indicates that it is feasible to establish the basic geothermic field model of natural gas hydrate reservoir regions in seafloor following the theory and method of basin geothermic model.

在分析海底天然气水合物赋藏区域地热场特征的基础上，借鉴盆地地热模型理论和方法，建立了海底天然气水合物赋藏区域的地热基本模型，并详细介绍了边界条件和导热系数的确定方法。

They showed the highest tensile strength and thermal conductivity, and can be semi-conductive or metallic depending on how the graphitic sheets are rolled up.

它们具有最高的轴向强度和导热系数，并且随着石墨层片卷曲方式的不同，既可以是导体，也可以是半导体。

It is also found that the temperatures at which the CO2 density, thermal conductivity and viscosity possesses the maximum change are very closer to the pseudocritical temperature.

CO2的密度、导热系数以及粘度变化最大时的温度与准临界温度相当接近。

This sodium acetate trihydrate based material was obtained by a number of experiments for selecting proper nucleation catalysts and suspension mediums.

对该材料的蓄热性能进行研究表明，该材料相变热可达238 J/g，导热系数为1.072W/m·K(30℃时)，可用于空调冷凝热回收系统。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。