查询词典 temperature conductivity

In order to optimize the design of hot blast stove, a model of heat transfer in chamber of hot blast stove was developed and the software based on the model was established. The effect of the checker thermal characteristics such as thermal conductivity, heat capacity, density etc on the temperature of blast and checkers,the heat accumulation and heat release of checkers was determined.

为优化热风炉设计，建立了热风炉蓄热室内传热过程的数学模型，制作了应用程序软件，探讨了不同的格子砖物性参数，如导热系数、比热容和密度等对格子砖温度场分布、气体温度分布以及格子砖蓄热量和放热量的影响。

In temperature range from 25 to 200 ℃, The heat conductivity along the grain of wood is approximately 2.4 or 3 times of that cross the grain. And this result is relative to composing orientation of the molecules interlink inside the cellular wall of wood.

在25～200℃内，热流平行于纹理方向的木材导热系数要大于其垂直于纹理方向的导热系数，前者是后者的2.4～3倍：这种差异与细胞壁内分子链结构的构成方向有关。

In this paper, the conductivities of double-distilled water and aqueous solution of NaCl, HOAc, C_5H_5N, etc. were determined in an elongated time period. It is found that the conductivity values of the solutions at certain temperature are not constant and change over time.

在封闭体系中，较大的时间尺度上二次水及NaCl，HOAc，C_5H_5N，苦味酸等溶液电导率在确定的温度下不再是恒定值，表现出持续变化。

In the paper, we investigate, respectively, the unsteady transport properties of heat and moisture in enclosure under constant wall heat flux and constant wall temperature when porous particles are small and Darcy number is lower, the effect of conductivity ratio, heating conditions and other parameters on the heat transfer rate of enclosure when particles are larger and Darcy number are higher.

并分别对多孔颗粒较小时的低Da数封闭腔内的非饱和渗流与传热，及颗粒较大的高Da数封闭腔内的非饱和自然对流行为进行了数值模拟，研究了低Da数时湿分与热量在恒热流与恒壁温条件下的非稳态传递特性，高Da数时封闭腔的传热与流动特性、达西效应以及导热比、加热条件等对空腔传热系数的影响。

The factors which affect the rate of evaporation in enclosed LNG storage tank are various, and they mainly are the initial filling rate, the ambient temperature , the insulation structure (effective thermal conductivity ), the initial pressure within the tank, the tank pressure of work , the amount of nitrogen in LNG, the tank volume size and so on.

影响密闭LNG储罐蒸发率的因素是多方面的，主要有储罐的初始充满率、环境温度、储罐保温结构、储罐内的初始压力、储罐的工作压力大小、LNG中含氮量的多少、储罐的容积大小等。

reduce business card printing and membership card production speed, in addition, on wettibility confecting again, usually liquid propylalcohol 11% to 13%, 3% of the water bucket liquid, water that 83% of which measured conductivity usunited = 1860, pH value is 5.6 to six, a temperature of 5 to 10 ° c.

办理办法贬矮制卡和会员卡制息速率，另外，不对湿润液从头配制，凡是异丙醇11%～13%，兼用火斗液3%、火83%其洋测得导电率us=1860，pH值为5.6～6，温度为5～10℃。

It was found that the conductivity and morphology are greatly influenced by the amount of oxidant,reaction temperature and time,and the kind of dopants.

结果表明，氧化剂用量、反应温度、反应时间、掺杂剂的种类等对最终所得材料的导电性能及结构形态有较大的影响。

In this research, digression of two types of sprayed fire-resistive material may use linear relationship for representing the thermal conductivity under changing temperature.

在本文中回归二类型被覆材料之热传导系数与温度变化，可以线性关系表示。

The research is to study two types of sprayed fire-resistive material – porous and fibrous types, with regard to their relationship among the factors such as moisture content, pore structure, high temperature thermal conductivity and fireproof capacity.

本研究探讨多孔质和纤维质两类型的被覆材料，在含水率、孔隙结构、高温热传导系数等因子与耐火性能之关系。

The effect of phase change temperature, heat fusion and thermal conductivity of the SSPCM on the average heat flux and energy storage ratio of the floor heating modular board was analyzed by simulation.

研究了定形相变材料的相变温度、相变潜热和导热系数变化对地板表面平均热流密度和蓄能比的影响；定形相变材料蓄能式采暖地板可在长时间内保持稳定的热流密度。

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。