查询词典 thermal conductivity

In this work, how the axial thermal conductivity of the three kinds of nanotubes is affected by axial length, temperature and tensile strain is investigated, and their thermal conductivities are compared and analized.

研究了轴向长度、温度和外加拉伸应变等因素对三种纳米管的轴向热导率的影响，并对三种纳米管的导热性能进行了比较。

The thermal properties of the ground are given by the thermal conductivity and thevolumetric heat capacity.

地面的热性能给予的导热系数和容积热容量。

The results are thermal expansion and thermal conductivity.

其结果是热膨胀和热传导。

The influence of thermal boundary resistance on thermal conductivity of composite material is discussed in particular.

研究了金刚石／银复合材料的导热率与金刚石的含量、粒度等之间的关系，着重讨论了界面热阻对复合材料导热率的影响。

The transfer of heat from heat fluid to its adjacent rocks is approximatly regarded as a stable process of thermal transmission in which heat is mainly transmitted in the way of thermal conductivity.

热流体对围岩的传热可以近似地认为是一种以热传导为主要传热方式的稳定传热过程。

All Duraboard products offer low thermal conductivity, high temperature stability, uniform density, and excellent resistance to thermal shock and chemical attack.

所有Duraboard产品都具有低导热率、高温稳定性、均匀的密度，以及优异的抗热冲击及化学侵蚀能力。

The results showed that the flake graphite has greatest effect on the thermal conductivity and thermal diffusivity of cast iron, the second is vermicular graphite, the third is nodular graphite.

用激光脉冲法和比较法测量了不同种类铸铁300~1300K的热物理参数，并对铸铁热物性与显微组织的关系作了初步讨论。

The evaluation indexes, which sign the testing results, are put forward, the indices include the difference of calefactive ratio, the heat insulation ratio, effective thermal conductivity, compound thermal resistance and response time.

二、提出了本文所研制的测试装置测试结果的评价指标，具体指标为升温速率差、织物试样的隔热率、名义导热系数和复合热阻及温度动态响应时间。

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 relatively constant values of open circuit voltage suggest the electrolyte layer withstands thermal shock due to high thermal conductivity and excellent ductibility of the metal substrate.

相对恒定的开路电压显示，电解质层经受住了热冲击，此受益于金属支撑体良好的导热性和延展性。

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％。