查询词典 conductivity

In order to make good use of the ohmic heating technique, its very necessary to study the relationship between electrical conductivity and temperature and to study the affect of electric conductivity to heating rate.

为了更好的应用通电加热技术，有必要研究食品物料的电导率随温度的变化规律和电导率对加热速率的影响。

According to thermal conduction theories of anisotropic materials that are irradiated with continuously modulated laser, a photothermal measuring method about the thermal conductivity tensor and the orientation of the principal axis of the conductivity of arbitrarily opaquely anisotropic materials is given based on the theories of So(3) group rotation.

以在连续调制光辐照下的各向异性介质的热传导理论为基础，通过So(3)群转动理论，导出不透明各向异性介质的热导张量和热导主轴方向的光热测量方法。

It is found that the conductivity of the plasticize d films were increased and the temperature dependence of the conductivity is Arrhenius like.

采用差示扫描量热法和交流阻抗方法对EC增塑的 16 LiClO4 聚电解质进行了研究。

By studying effects of different drip irrigation patterns of root zone and watering treatments on young apple tree growth and root hydraulic conductivity, it shows that there is a positive correlation between root hydraulic conductivity and root dry mass and water potential.

在果树分布较多的干旱半干旱地区，农田水分和养分与盐分胁迫并存，对果树的生长产生很大的影响，研究控制性分根交替灌溉和环境因素对苹果幼树水分传输的影响对于丰富果树水分传输理论以及节水调控机制具有重要的理论和实际意义。

There is a linear positive correlation between root hydraulic conductivity and root zone soil moisture and also soil temperature showed a positive correlation with root hydraulic conductivity.

根系水分传导与根区土壤含水量和土壤温度均呈线性正相关关系，部分根区滴灌方式提高了根区土壤温度也是引起根系水分传导提高的一个重要因素。

The variation of pH and conductivity of various phosphate solution with the solution temperature were obtained based on the physical chemistry theory and ionization equilibrium theory in electrolytic solutions, and be testified experimentally under radiation of ultrasonic wave. The pH was a linear function with the reciprocal of thermodynamic temperature, and the conductivity was a linear function with the temperature in phosphate solution.

三、超声波对双水相系统组成物质、两相组成及溶质分配影响的研究根据物理化学原理和电解质溶液电离平衡理论分析推导和实验验证，揭示了超声波作用下不同组成磷酸盐溶液的pH值和电导率随溶液主体温度变化的规律：磷酸盐溶液的pH值与溶液主体绝对温度的倒数成线性关系，磷酸盐溶液的电导率与溶液主体温度成线性关系。

In this paper the technique of Thermo Time Domain Reflectometry is introduced to make measurements of a wide range of soil physical properties.We outline the theories of TDR technique for water content and electrical conductivity measurement, and heat pulse technique for determination of volumetric heat capacity, thermal conductivity, and thermal diffusivi...

本文以热脉冲技术和时域反射技术的理论为基础，介绍了利用热脉冲技术时域反射技术连续定位测定土壤含水量、电导率、温度和热特性的原理，并利用土壤热特性与容重和含水量的关系，导出了土壤容重、饱和度和通气孔度的计算公式。

Carbon xerogels with high electrical conductivity were prepared with resorcin / formaldehyde via ambient drying technology and were characterized by XRD and four-probe electrical conductivity measurement.

以间苯二酚/甲醛为反应物，采用常压干燥工艺制备了高电导率的炭气凝胶，并用 XRD 和四探针电导率测试仪对其进行了表征。

By applying Wagner polarization measurement,the effect of antifoggant s on electron conductivity and hole conductivity of silver bromide iodide T-grain emulsions was studied.

利用Wagner极化法研究稳定剂和防灰雾剂对溴碘化银T-颗粒乳剂微晶体的电子电导率和空穴电导率的影响。

By applying Wagner polarization measurement, the effect of antifoggants on electron conductivity and hole conductivity of silver bromide iodide T-grain emulsions was studied.

利用Wagner极化法研究稳定剂和防灰雾剂对溴碘化银T-颗粒乳剂微晶体的电于电导率和空穴电导率的影响。

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。