查询词典 conductivity

The results show that in Cu/Copper-coated graphite composite,the volume density and the electrical conductivity decreased with the increasing of copper-copper-coated graphite,while the graphite in it is fairly well-distributed and the copper helps to form the three dimensional net-shape,thus making the composite have better electrical conductivity than the c...

结果表明，随镀铜石墨含量的增加，铜-镀铜石墨复合材料的密度和导电性降低，但其组织中石墨分布更均匀，并且铜有利于构成三维网状，使该复合材料具有更好的导电性。

Then we studied the photothermal deflection on membrane with high transparence for the first time. When the product of the thermal conductivity and thickness of film is correspond to that of substrate, the thermal conductivity and diffusivity of film could be measured by photo-thermal deflection method.

然后，第一次探讨了透明性好的带衬底的薄膜材料的光热偏转理论，讨论了只有在薄膜热导率与厚度的乘积与衬底的热导率与厚度的积相比拟时，可以使用光热偏转方法测量薄膜的热导率和热扩散率。

Growth of plants was suppressed by 150mmol . L~-1NaCl stress, at the meantime, relative electric conductivity, leaf proline content and chlorophyll a/b increased, chlorophyll content, photosynthesic rate and transpiration rate decreased. Relative electric conductivity in root was more than that of leaf. The content of abscisin acid increased, while the content of gibberellin, Indoleacetic acid and zeatin decreased under salinity stress.

NaCl胁迫抑制草莓生长，引起草莓膜透性增加，脯氨酸含量和叶绿素a/b增大，叶绿素含量、净光合速率、蒸腾速率减小，ABA含量增加，ZT、IAA和GA含量减少，各处理根系膜透性大于叶片，且内源激素含量变化幅度比叶片小。

The method of electroless nickel plating was used in this study, let Ni-P particle is suspended form the plating solution, therethrough spontaneous reaction use the alloy is clodding full of the Glass Fiber Woven Cloth, attach the Glass Fiber Woven Cloth have like alloy particle good conductivity, Improved the electric properties of this fibers and help improved high electromagnetic shielding, with Theromoset Resin mixture the conductivity filler graphite, composite with High Electromagnetic Shielding Composites.

摘要本研究使用无电极镀镍之方法，将粒子悬浮在电镀液中，籍由氧化还原反应使玻璃纤维不织布得到完整的包覆金属层，并赋予玻璃纤维不织布具有纯金属粒子一般优异的导电率，藉此提高纤维之导电性并且有助于增加遮蔽电磁波的能力与效果，再与热固性树脂并混入导电性填充材石墨粉墨，复合成具电磁波遮蔽之复合材料。

It will be more reasonable to use the result of gas log conductivity testing as the guideline for evaluation of potential before fracturing, optimization of fracturing design, forecast of effects and selection of proppants. The method of gas log conductivity should be used for laboratory research on fracturing of gas reservoirs.

用气测导流能力的实验结果来指导气井的压前潜力评估、压裂优化设计、压后效果预测和支撑剂的优选评价将更具合理性和针对性，气藏压裂的支撑裂缝导流能力实验最好采用气测方法。

It is showed that the propping fracture conductivity of gas log is 1.5 to 2.5 times higher than that of liquid log under the same testing conditions (such as haydite type, sanding concentration, temperature and pressure). A lower average sanding concentration in gas well fracturing should be adopted than that in oil well fracturing so as to obtain the same propping fracture conductivity.

结果显示，在相同实验条件下（陶粒类型、铺砂浓度、实验温度和压力），气测导流能力值比液测值高1.5~2.5倍，表明要获得相同的支撑裂缝导流能力，气井压裂中的铺砂浓度应比油藏低。

The isograms of soil saturated hydraulic conductivity and dry bulk density indicate that the change of soil saturated hydraulic conductivity does not only depend on soil dry bulk density, and has some relations with organic matter content, clay content and root distribution.

坡面土壤饱和导水率和干容重的等值线图表明，土壤饱和导水率的变化趋势并不仅仅取决于土壤干容重的相对大小，可能与有机质含量、黏粒含量以及根系分布情况等也有一定的关系。

Long-necked valve cover design mainly the design of the neck length L, L refers to the stuffing to the bottom of the sealing seat surface distance (Figure 1), which, and the material thermal conductivity, thermal conductivity and surface area factor, cooling 隔膜阀 area, and other factors, more complicated calculation, generally obtained from the experiment.

长颈阀盖的设计主要是颈部长度L的设计，L指的是填料函底部到上密封座上表面的距离（如图1），它和材料的导热系数、导热面积及平衡阀表面散热系数、散热面积等因素有关，计算比较繁琐，一般由实验法求得。

The measures for reducing thermal conductivity were shown in the thesis through the analysis of the mathematical model of thermal conductivity, including: addition of dopant atoms, increasing porosity and minishing coating thickness.

通过分析导热系数的数学模型，分别从添加掺杂物、孔隙率和涂层厚度的角度提出了降低导热系数的方法。

At the same temperature, the conductivity and molar conductivity were increasing with the concentration.

在相同温度下，电导率及摩尔电导率随浓度的增大而增大；在相同浓度下，电导率及摩尔电导率随温度的升高而增大。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷