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Then, an ideal random-packed-sphere model with simple cubic, body-centered cubic and face-centered cubic structures is presented to predicate the specific protonic and electronic conductivities of the catalyst layers. A correlation equation of the specific conductivity is obtained and the model is validated by the good agreement between the calculations and the measured data.

然后，分别用简单立方、体心立方和面心立方三种自由堆积球结构首次建立了描述催化层有效质子和电子传导率的理论预测模型，分析了电解质本体电导率、球半径、接触系数和接触角对质子传导的影响，得出催化层有效质子和电子传导率的计算公式，模拟结果与实验数据吻合良好，证实了模型的有效性。

Thermal Barrier Coatings is a kind of ceramic layer of excellent high temperature oxidation resistance as well as very low thermal conductivity, which is deposited onto the surface of substrate by the assistant of bond coat layer. TBCs can effectively reduce the service temperature of the protected substrate, alleviate the thermal shock loading, reduce the requirement for cooling air, and so, the thermal efficiency of apparatus is improved. Therefore, TBCs have been widely used in the fields of space flight, chemical industry, and metallurgy or energy sources industry.

热障涂层(Thermal Barrier Coatings，简称TBCs)是一种陶瓷涂层，具有优良的抗高温氧化和非常低的热传导系数，它通过粘结层沉积在耐高温金属或超合金的表面，可以有效降低被保护基材的服役温度，减轻其热冲击载荷，降低对冷却空气的需求，提高器件的热效率，从而被广泛应用于航空航天、化工、冶金和能源等领域。

In this paper, the relationship between the saturated hydraulic conductivity and soil macropore in evergreen broad-leaved forest of Yinyun Mountain was studied.

研究了缙云山常绿阔叶林下土壤饱和导水率和土壤大孔隙的关系。

In order to improve the conductivity and abrasive resistance of copper-graphite composite brush ,influence of carbon fiber content on the electrical wear behaviors of the copper-graphite brush were investigated under two conditions of electrifying and non-electrifying.

为进一步改善铜-石墨复合材料电刷的导电和耐磨性，提高其使用寿命，研究了在不通电和通电2种条件下，碳纤维含量对铜-石墨电刷磨损量的影响。

In order to improve the conductivity and abrasive resistance of copper-graphite composite brush,influence of carbon fiber content on the electrical wear behaviors of the copper-graphite brush were investigated under two conditions of electrifying and non-electrifying.

结果表明，在试验条件下，在合金接触线-黄铜粉末冶金滑块系统的电磨损过程中，Cu-Cr-Zr合金接触线的电磨损率随电流强度升高显著加强，由加载较小电流引起的磨损份额为0。

Research results show that the system performance is influenced greatly by the thermal conductivity of the activated carbon and the contact heat transfer coefficient.

因此为了能得到较高的性能系数和制冷量，首先应该使吸附材料活性炭的导热系数得到提高，其次才是考虑提高接触换热系数。

Ratio of 0.3-3. The matrix is oxide with a certain electric conductivity, and has such advantages as high-voltage cathode luminescence efficiency, high stability, and high anti-aging performance when compared with traditional insulating oxide matrix, semiconductor sulfide or oxysulfide matrix.

所选的基质材料具有一定的导电性能且为氧化物基质材料，与传统的绝缘体氧化物和半导体硫化物或硫氧化物基质相比具有良好的低压阴极射线发光效率，稳定性及抗衰老能力。

Celery seed was taken as material. The effects of PEG treatment on vigor indicator and electrical conductivity had been studied.

以芹菜种子为试验材料，研究了不同浓度的聚乙二醇及其不同浸种时间对芹菜种子活力指标以及电导率的影响。

The results showed that O. fragrans seeds were desiccation-sensitive as the seed viability declined to 6% when the seed moisture content was reduced to 11.6%. The seed electrical conductivity increased with the declining moisture content, a sign, which was caused by increasing cell membrane cleavage. Superoxide dismutase activity decreased rapidly during desiccation; but peroxidase activity increased to the maximal value when dehydration for 12 h, then declined rapidly when seeds were dehydrated more than 12 h.

结果表明：'紫柄籽银桂'种子不耐脱水，种子生活力随着含水量的下降而降低，种子含水量下降到11.6%时，生活力仅为6%；自然脱水过程中，种子细胞膜系统受到损伤，相对电导率不断上升；种子内SOD活性随着含水量下降而呈总体下降的趋势；POD先呈波动性上升，脱水12 h时达到最大值，之后急剧下降。

"Our system has three layers. The first one is a PS insulator. Next is the cement layer. It's thermal conductivity is very low."

「因为我们这个系统有三层，一层是PS隔热版，再来是规划水泥版，它本身的热传导细数很低。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。