查询词典 conductivity

In order to reduce error of experimental data treatment, to strengthen accuracy of the result in conductivity determination of the dissociation constant of acetic acid, and also to further synthesis of experiment for training students' ability to treat data and to graph with computer, both Excel and calculator with statistical function have been utilized to perform a linear regression analysis of temperature-limiting molal conductivity of acetic acid solution.

为了减少实验数据处理的误差，提高结果的准确性；也为了进一步加强实验的综合性，培养和提高学生应用计算机处理实验数据和作图的能力，本文在电导法测定醋酸解离常数的实验中分别采用Excel电子表格和具有统计功能的计算器对醋酸溶液的温度和极限摩尔电导率数据进行线性回归分析，得到一元线性回归方程和相关系数，进而确定实验温度下醋酸溶液的极限摩尔电导率。

Provide various specifications of the thermal conductivity of silica fabrics / films, films with silica gel hot heat Laminated Materials, CD-ROM Anti-slip silicone pad dedicated, transparent silicone tube, flame-retardant silicone casing, thermal conductivity soft gel tablets, high temperature resistant silicone sealed tube / article, TFT-LCD with buffer shading silicone membrane, eggbeater with silicone tube (core material: stainless steel), PCB hot silicone cushion gaskets, such as a few more than ten kinds of series, million kinds of silicone products specifications.

提供各种规格之导热硅胶布/片、发热片用硅胶热贴合材料、CD-ROM专用硅胶止滑垫、透明硅胶套管、阻燃硅胶套管、导热软质硅胶片、耐高温硅胶密封管/条、TFT-LCD用缓冲硅胶遮光膜、打蛋器用硅胶管、PCB热压硅胶缓冲垫片、等数十余种系列，万余种规格之硅胶产品。

Study on the electrical conductivity, thermal conductivity and thermal shock performance of high temperature adhesives

磷酸的添加，不仅实现了室温条件下的固化，同时提高了粘接性能。

The conductivity of the membrane was measured by AC impedance method ,it was showed that the conductivity of the membrane prepared by electrodeposit method could get up to 10 -2 S/cm,the denseness of the membrane was investigated with a lab made negative pressure system,and it was found that the permeability of the membrane decreased by over 95% in the case of ca 2% phosphate deposit.

采用电化学沉积法和溶胶凝胶法制备了一种磷酸盐无机质子传导膜，交流阻抗法测得电化学沉积法制得的膜的电导率可达 10 -2 S/cm ，负压渗透系统研究膜的密实性表明：在磷酸盐沉积量为 2 %左右时，膜的透过性可降低 95 %以上。

The study was supported by National Nature Science Foundation of China of ""Biological foundation study of electrical indexes assessing tree vigor"". The mechanism of tree's leaf and stem capacitance and the application of electrical indexes under environmental stresses were studied. The main conclusions are summarized as following:(1) The leaf capacitance had significant positive correlations with leaf exosmosis electro conductivity, exosmosis percentage and leaf absolute moisture content, had significant negative correlations with leaf electrolyte electro conductivity and had no correlations with leaf relative water content.

本研究在国家自然科学基金"林木健康状况评价的电指标生物学基础"的支持下，对树体叶片电容和树体干部电容的机理及外界胁迫因素作用对树体电指标的影响进行了初步研究，研究的主要结论包括：(1)树木叶片电容与单位质量叶片离子外渗液电导率、叶片细胞离子外渗百分率及叶片绝对含水率呈显著的正相关关系，与单位质量叶片总电导率呈显著的负相关关系，与叶片相对含水率的相关性不显著。

The experimental data shows that the electron hole conductivity increases and free electron conductivity decreases with the increasing of the slag temperature.

在一定温度下，随着渣相中全铁含量的增加，渣相的电子电导率也相应增加。

The results showed that the mobility of free carriers is the key inluencing factor on the electrical conductivity of intrinsic nc-Si: H films but the effect of free carrier concentration is finite, while the free carrier concentration and mobility are both the main influencing factors on the electrical conductivity of phosphorus-doped nc-Si: H films. Its transportability can be reasonably explained by a HQD model.

研究结果表明影响本征纳米硅电导率的主导因素是载流子的迁移率，而自由载流子浓度影响有限；影响掺磷纳米硅薄膜电导率的因素既包括磷掺杂产生的自由载流子，又包括迁移率，其输运过程可用量子点隧穿模型合理解释。

The study shows that the pressure transient curve of fractured wells in closed circular formation can be divided into six different flow regimes. In condition of the same fracture opening width and fracture length, compared to rectangular fracture, the pressure drop with tapered fracture is bigger, and the dimensionless pressure and pressure derivative curves are higher. In condition of the same fracture opening permeability, compared to linear declining and constant conductivity fractures, the pressure drop with exponential declining conductivity fracture is the biggest, and the dimensionless pressure and pressure derivative curves are the highest.

研究结果表明：圆形封闭地层压裂井的压力动态曲线可以划分为6个流动阶段；在相同裂缝开口宽度和相同裂缝长度的条件下，与矩形裂缝相比，楔形裂缝压力消耗大，表现为无因次压力及压力导数曲线越高；在相同裂缝开口渗透率的条件下，与导流能力呈线性降低的裂缝以及常导流能力裂缝相比，导流能力呈幂指数降低的裂缝压力消耗最大，表现为无因次压力及压力导数曲线最高。

The density is in 150~2200 kg/m3 and the thermal conductivity is 0.0599W/m·K, density of 150 ~ 2200 kg/m3, thermal conductivity for 0.0599W / m · K. It has a great many merit such as anti-aging, thermal insulation, incombustible, environmental protection, benefit waste, acoustic, noise, low-cost (production cost of 40 ~ 70 yuan / m3), which is a waste of new energy-saving insulation materials benefit.

发泡体在凝固成型中体积不塌陷自然产生2%～5%的膨胀率，密度在150～2200 kg/m3，导热系数为0.0599W/m·K，耐老化，保温、不燃、环保、利废、吸音、隔音、廉价（生产成本40～70元/m3），是节能利废新型隔热材料。

With the impact extrusion of chrome and copper the electric mouths as well as submerged are welding mouths enjoy the properties of high conductivity, highstrength, wearability and longevity, which all measure up with JB4281-86, JB/T7598-94 and conductivity of Luo rigidity promulgated by the State, Inteneration and temperature have attained the top level of China and the products have already been applied in various car manufactories in China.

导电咀、埋弧焊咀，采用铬锆铜合金为原料冷挤压成型，伸冷加工，具有导电率高、高强度、耐磨性强、使用寿命长等特点，符合国家部颁标准JB4281-86、JB/T7598-94、导电率洛氏硬度，软化、温度均达国内国内先进水平，产品已在全国各大汽车制造厂得到应用。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。