Rigid polyurethane foam is a polymer thermosetting heat preservation material, heat conduction coefficient 0.024 W / (m?
聚氨酯硬泡是一种高分子热固性保温材料，导热系数0.024W/（m?。
This paper discusses the methods how to improve TC-2 heat conduction coefficient, and expatiate on improvement's principle and data.
本文主要研究TC-2型导热系数测定仪的改进方法，并从实验原理和实验数据上予以阐明。
Finally, the fluid flow of the weld pool was taken into account by increasing the heat conduction coefficient at elevated temperature.
最后采用增大热传导系数的方法，考虑了熔池内流体流动对整个温度场的影响。
In the conventional vacuum insulation board, a fatal defect is that the place for holding a getter has the highest heat conduction coefficient.
传统真空隔热板中，导热系数最高的地方是放吸气剂的地方，这是它的一个致命缺陷。
The invention also relates to a method for measuring the heat conduction coefficient, the eutectic point and the congruent melting point by the device.
本发明还涉及利用该装置测量导热系数、共晶点和共熔点的方法。
Secondly, in the prefabricated system, through the addition of raw materials with lower heat conduction coefficient, raising warming performance of lining material.
其次，在该预制件体系中通过添加导热系数较低的原料，提高内衬材料的保温性能。
The heat transfer coefficient is obtained by solution of semi-infinity heat conduction theory.
用半无限大导热理论对瞬态导热过程进行换热系数求解。
Heat-transfer coefficient, heat resistivity, heat conductivity, heat exchanger, heating convection, heat conduction, heat radiation, heat convection exchange.
传热系数，热阻率，导热系数，换热器，热对流，热传导，热辐射，对流传热。
Bulk density of small materials, heat conduction tear your eyes coefficient is generally small, but at the same time decreases in the mechanical strength, so be reasonable choice.
容重小的材料，一般导热泪盈眶系数也小，但同时机械强度也随之降低，故要合理选择。
A new method to determine the thermal coefficient, which varies with temperature in a linear relation, is proposed by using the mathematical principle of the inverse problem for heat conduction.
本文采用导热反问题的数学原理，提出了一种一次测定随温度线性变化的导热系数方法。
This paper proposes an inverse heat conduction method model used in computer measurement and calculation to derive the heat transfer coefficient of quenchants during the quenching process.
提出了用计算机进行测量和计算淬火过程中淬火介质换热系数的反传热模型。
Engineering Practice shows that the coefficient of heat conduction small insulation of the fine, construction performance, stable, non-toxic and non-radioactive pollution characteristics.
工程实践表明，其具有导热系数小，绝热性优良、施工性能稳定、无毒无放射性污染等特点。
The heat transfer coefficient of quenching medium, as a key parameter in the boundary condition of heat conduction equation, plays an important role in numerical simulation of steel quenching process.
在钢高压气体淬火过程的计算模拟中，关键问题之一是温度场和应力场边界条件的确定。
The heat transfer coefficient of quenching medium, as a key parameter in the boundary condition of heat conduction equation, plays an important role in numerical simulation of steel quenching process.
在钢高压气体淬火过程的计算模拟中，关键问题之一是温度场和应力场边界条件的确定。
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