温度

Nanocrystalline CeO 2 were prepared by sol gel method using cerous nitrate and citric acid. The powders were analyzed by XRD. It was showed that the synthesized CeO 2 was cubic in structure and CeO 2 particles were basically spherical in shape.

摘 要：以硝酸铈和柠檬酸为原料，采用溶胶凝胶法制备了纳米CeO2 对反应温度、金属离子与配体的摩尔比、凝胶烘干温度、焙烧温度等制备条件对产物的影响进行了研究。

On the basis of experimental data, by the aid of boundary-element method, the temperature distribution, temperature gradient and colling velocity in the casting region ran be calculated.

本文建立了铝在双辊式铸轧时铸造区温度场的数学模型，根据实验数据用边界元法计算出铸造区的温度分布、温度梯度和冷却速度。

In this dissertation , based on the analysis of characteristics and methods of temperature control , a temperature control system has been developed for crimper machine ' s heating chests according to its trait , and self - turning control method based on pole placement has been studied deeply .

本文在分析了温度控制的特点以及当前国内外在温度控制上所采用的方法的基础上，针对加弹机恒温箱控制对象的具体特点，研制了采用自校正pid策略的加弹机温度控制系统，并对极点配置自校正pid控制方法进行了较为深入的研究。

The growth influence of the Dactylopius confusus under temperature processingRaises the Dactylopius confususunder 21℃-33℃five temperature conditions,the research temperature to the grain various stadiums survival percentage,it\'s body size,the insect heavy and the bosom egg quantity and various insects\' condition growth experience time influence.

温度对胭脂虫生长发育的影响在21℃—33℃五个温度条件下饲养胭脂虫，研究温度对胭脂虫各龄期的存活率，胭脂虫成虫虫体大小、虫重和怀卵量及各虫态的发育历期的影响。

Three periods are clearly divided based on decadal mean temperatures of the records for global surface temperatures of recent 120 years.

根据近 1 2 0年来全球大气温度的记录，进行了每 1 0年平均气温的分析，可以明显地划分为 3个时期即温度偏低期(1 880～ 1 91 9年，至少 40年)，过渡期(温度变化起伏不大，1 92 0～ 1 979年，约 60年)和升温期。

And on the basis of mono-factor test, using COD decreasing rate and decolour rate as targets, six factors affecting catalytic effect were selected to proceed L9(34) orthogonal experiments. The conclusion of primary and secondary factors was drawn and the turn was : kind of catalyst-amount of catalyst-pH value-temperature-amount of H2O2-amount of air . The optimization were determined to be : initial pH value : 5.5 ; temperatare : 90 C; amount of H2O2: lml/400ml waste water ; kind of catalyst: AC3 ; inciting small amount of air ; amount of catalyst: 125g activated carbon to 500g stone .

并在单因素试验的基础上，以废液COD去除率和脱色率为指标，选择废液初始pH值、反应温度、启动剂用量、催化剂类型、鼓空气量、催化剂加入量为因素，进行L_9(3~4)正交试验，确定影响因素因素的主次关系为：催化剂类型→催化剂加入量→废液初始pH值→反应温度→启动剂量→鼓空气量；最佳处理技术条件为：废液初始pH5.5；反应温度90℃；启动剂量1ml／400ml废液；AC3型催化剂；鼓小流量空气；炭石比125g／500g。

This paper investigated the true propagation paths of acoustic wave in two-dimensional temperature gradient field-single peaked symmetry and deflective respectively, using the two- dimensional acoustic ray tracing method of forward deploying triangle. Besides, a simulating calculation and analysis of this acoustic ray tracing algorithm in model temperature was given.

该文使用二维空间中的三角形前向展开方法，对二维温度梯度场中的声线轨迹进行追踪，并分别在具体的单峰对称温度场和单峰偏斜温度场模型中，对该声线追踪算法进行了仿真计算和分析。

Finally, the intelligence monitoring and diagnosis system of the temperature-field in hearth was built on the base of the model, which can monitor and diagnose all the wind-coal parameters online and display the temperature distributing in the hearth dynamically and estimate the position of the deflective burning cut-circle.

最后，在炉内二维温度场动态显示模型基础之上，开发了一个煤粉锅炉炉内温度场智能监测与诊断系统，该系统能够对各个风粉参数进行在线监测与诊断，动态显示炉内特征截面的温度分布状况以及对燃烧切圆偏斜的具体位置做出准确判断。

The electromagnetic field in the detacher and the temperature field in the workpiece during the induction heating process were simulated by computer and the distributions of the magnetic density and the temperature as well as the temperature field history were obtained.

对感应加热过程中拆卸器内的电磁场和工件内的温度场进行了计算机仿真，得出了磁场强度和温度的分布规律及温度对时间历程的变化规律。

And we mention the relationship between the four parameters and temperature in order to show the relationship between its change and stress. In the second place, with making use of the little distortion elasticity theory and diathermanous theory, the method that we study the heat stress , force stress and combined stress in the forging process is educed. And then we will find out the relationship between the four parameters and combinedstress of the forging die.

文中首先分别说明弹性模量、线膨胀系数、导热系数和比热容的定义，并且引出这四个物理性能参数与温度的关系即它们随温度变化的规律，为进一步说明模锻过程中这四个物理性能参数随温度发生变化是如何影响锻模应力场提供了理论依据。

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。