查询词典 conductivity

Generally, electric-conductivity materials such as metal, conductive polymers, and graphite are coated on the outside surface of the capillary tip followed by the application of an external high voltage on the tip to provide a sufficient electric field to generate electrospray in seathless interface. Thus, the fabrication of the electric-conductivity material on the surface of fused-silica is one of the main issues when using sheathless interfaces.

一般来说通常需要将金属、导电高分子、或石墨等导电材料涂布於毛细管样品出口尖端，外加第二组电压於导电尖端以提供电喷洒时所需要的电场，但如何将导电材料稳定地涂布於矽氧材质的尖端表面一直是此界面探讨的主题之一。

Based on the measurement of salt content and electrical conductivity in soda solonetz soil as well as in groundwater in Da'an City,Jilin Province,the relationship between the salt content and electric conductivity was determined.

利用方程计算的土壤含盐量与实测值之间符合较好，相对误差大多在7%以下；根据电导率计算的地下水含盐量与实际测量值之间的相对误差一般在5%以下。

Based on the measurement of salt content and electrical conductivity in soda solonetz soil as well as in groundwater in Da'an City,Jilin Province,the relationship between the salt content and electric conductivity was determined.

分别测定了吉林省大安市苏打碱土含盐量与电导率以及地下水含盐量与电导率，分析了含盐量与电导率的关系。

thermal conductivity ; thermometric conductivity ; coefficient of energy storage ; heat resistance ; motor temperature rise ; motor insulation structure

本文的目的是将建筑材料的热传导基础理论用于电机、电器的热场设计之中，加快我国

According to the correlation analysis, the photosynthesizes rate had the highly significant correlation with transpiration rate and stomata conductivity and had significant correlation with intercellular CO2 concentration. The transpiration rate had highly significant correlation with stomata conductivity and photosynthesizes rate.

相关分析发现，光合速率与气孔导度、蒸腾速率呈极显著相关，与胞间CO2 浓度呈一定的相关性；蒸腾速率与气孔导度、光合速率呈极显著相关。

The measurement of ponded water infiltration,saturated hydraulic conductivity,water holding capacity,soil bulk density of different treatments of PAM show,①the velocity of ponded water infiltration and saturated hydraulic conductivity are both reduced;②water holding capacity is improved but ...

结果发现，各种处理土样与对照相比，①积水入渗速率和饱和导水率值都有所降低。②各处理土样的蓄水能力增强，保水能力未见提高。③土壤容重有一定程度的降低。④以上各种趋势随PAM施用量的增大而增强。

The heat conductivity of material improves rapidly by the content of the graphite increasing,and the heat conductivity preponderates over 1.7 w/ when the content of graphite is 5% in the material .

材料的热导率随着石墨粉含量的增加几乎成直线上升，当石墨含量为5%时材料的热导率大于1.7W/。

In electronic engineering, we usually have to bond a micro-strip board to a metalcarrier in order to provide proper stiffness, thermal conductivity and electrical conductivity, thus to make general handling,solder stencilling, pick and place of components be easier, and prevent the warping or distortion of the board during soldering.

林伟成，微带板与金属载体间的大面积焊接及胶接方法工程中常常需要把微带板和金属载体焊接或胶接起来，以获得合适的刚性、电导率和热导率，从而使丝网印刷、元器件贴装等工艺过程变得更加容易。并防止焊接过程中微带板的翘曲和变形。

The main is focused on the discussion on the crystal structure, porosity, temperature profiles, thermal conductivity, salinity and density of sea ice in Liaodong Bay based on the author's research on ice temperature profile in field, thermal conductivity coefficients in field and in laboratory, and the ice structures studied under the computerized tomography scanner.

重点以作者完成的海冰现场温度场、现场冰层导热系数和实验室导热系数以及应用正交偏光和CT扫描研究冰组构等研究成果为主体，讨论了辽东湾海冰的晶体结构、孔隙率、温度场和导热系数、盐度、密度等工程海冰指标。

The study result shows that for the five-spot pattern in this block, it is not the fact that the bigger the radius ratio and flow conductivity are, the better the postfracture response will be, but there is a proper range. The optimum fracture half length is 2530 m, and flow conductivity is 20 μm^2cm.

研究结果表明，在该区块对于五点井网，压裂效果并非半径比和导流能力越大越好，而是存在一个合适的范围，优化的裂缝半长为25~30m，导流能力为20μm^2cm较合适。

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。