查询词典 temperature conductivity

The highest room temperature ionic conductivity of 1.4×10－5 S·cm－1 and lithium ion transference number of 0.353 were recorded when the content of ZSM5 was up to 10%.

ZSM5的含量为10%时， CPE同时具有最高离子电导率1.4×10－5 S·cm－1(25 ℃)和最大锂离子迁移数0.353。

The ionic transference number t〓 was measured as a function of temperature and oxygen partial pressure using EMF method. It was found that t〓 is small in both high and low oxygen partial pressure because of the appearance of hole and electron conductivity.

在第三章中介绍了固体氧化物离子电导和电子电导的测量方法，并应用Hebb-Wagner直流稳态极化法和YSZ电子阻塞电极法测量了〓的电子电导和离子电导。

The maximal conductivity of the ceramic is 3.2×10－2 S·cm－1 in O2 at 1000 ℃. The conduction in the ceramic is purely oxide-ionic with oxygen ion transference number of 1 over the whole temperature range of 600～1000 ℃. This ceramic is obviously superior to YSZ ceramic in oxygen pump performance.

结果表明，该陶瓷样品在600～1000 ℃下氧离子迁移数为1，氧离子电导率的最大值为3.2×10－2 S·cm－1，是一个优良的氧离子导体；它的氧泵性能明显地优于YSZ。

Keywords PCMs,the solid-liquid phase change,conductivity factor,time-temperature curve,comparison curve,strenghten heat conduction

Article From 河北工业大学；化学工艺硕士论文 2004年度贮能材料；固液相变；导热系数；时间-温度曲线法；比较法；强化传热

With the mature leaves of red-flowered strawberry variety Pink Panda and L. perenne L. as materials, their change law of relative electrical conductivity under different low-temperature treatments was studied, their each LT50 was counted by combining the Logistic equation and the cold resistance of Pink Panda was identified.

方法］以红花草莓品种&粉红熊猫&和多年生黑麦草的成熟叶片为试验材料，研究它们在不同低温处理条件下相对电导率变化规律，并配合Logistic方程计算出各自的半致死低温，鉴定&粉红熊猫&的抗寒性。

And conventional thermal insulation materials (glass fiber carpets, cotton silicate), the insulation can achieve the same effect on the premise of reducing one to several times the thickness and weight, thermal conductivity with the temperature rise is much smaller than conventional insulation Material.

与常规隔热材料相比，可以在达到同样隔热效果的前提下降低一至几倍的厚度及重量，热导率随温度上升趋势远小于常规隔热材料。

The project for passenger cars with engine piston aluminum alloy, alloy components through optimal design, rare earth - Modification of phosphorus salt air and bottom melting slabs, metal-cast aluminum piston at the end of riser feeding process, heat treatment process parameters of choice , Nano-Detroit surface coating materials, such as key technology research and development with a density of small, light weight, thermal conductivity, and coefficient of thermal expansion of small, high temperature and have sufficient strength, wear and corrosion resistance , Aluminum piston size and good stability, its integrated technical indicators have reached the leading domestic level.

项目介绍（简介、技术特点、应用范围、市场前景、效益分析及对投资者要求。500字以内）本项目针对乘用车发动机用铝合金活塞，通过合金成分优化设计、稀土－磷盐复合变质处理与炉底透气砖熔炼技术、铝活塞金属型铸造底冒口补缩工艺、热处理工艺参数的选择、纳米级活塞表面涂层材料等关键技术的研究，开发出具有密度小、质量轻、热传导性好、热膨胀系数小，并具有足够的高温强度、耐磨和耐蚀性能、尺寸稳定性好的铝合金活塞，其综合技术指标达到国内领先水平。

First of all, the factors which influence the thermal barrier effect and the relationship between the factors and heat resistance were analyzed. Then, the paper gave the mathematical model of the effect of thermal conductivity, coating thickness, environment temperature difference, and heat exchange coefficient on thermal barrier effect.

研究主要内容如下：本文首先分析了隔热效果的几种影响因素以及它们与隔热效果之间的关系，推导出了包含热障涂层厚度、导热系数、环境温差和对流系数等在内的影响因素与隔热效果之间的数学模型。

Because iron is recognized the major constitute of the Earth's core, and the Bloch-Grüneisen formula holds true in the solid-liquid mixed phase region, the electrical conductivity distribution in the Earth's core was calculated by combining with the temperature structure of the Earth's core with the PREM model. The electrical of conductivities of the Earth's core vary from 4300Ω〓cm〓 to 8400Ω〓cm〓, and increase with the pressures or depth.

既然Bloch-Grüneisen公式被证明在地核的温度、压力条件下及铁的固-液混合相区仍然有效，对于主要成分由ε-铁组成的地核，就允许用Bloch-Grüneisen公式并结合地核的温度结构以及PREM模型计算整个地核（包括液态外地核与固态内地核）的电导率分布。

The temperature dependence of ionic conductivity was in accord with Arrhenius equation.

聚合物电解质离子电导率对温度的依赖关系符合Arrhenius方程。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。