查询词典 preheating

In order to improve the penetrability of sintering feed, the steam was used for preheating sintering feed.

为改善料层透气性，利用蒸汽对烧结混合料进行预热。

Study results show that the thermal transmission characteristic of the radiation recuperator is variable during the heat treating process,and the average preheating temperature of air is not capable of achieving the rated design value of the recuperator.

结果表明，燃气辐射换热器的传热特性在整个热处理过程中是不断变化的，空气平均预热温度并不能达到换热器的额定设计值，故在周期式热处理炉上使用辐射换热器并不完全合适。

This paper introduces the major equipment of the polysilicon reducing furnace electrical system ,and emphasizes the working prin-ciples of preheating voltage regulator and reducing voltage regulator.

介绍了多晶硅还原炉电气系统的主要设备，着重分析了预热调压器和还原调压器的工作原理，并且提出了一种新型的还原调压器设计思想，减少了谐波含量，提高了功率因数。

Full sirocco preheating system, 3-segment:3-segment heating distributed evenly, soldering paste dregs will discharge out with hot air;Do not damage PCB and original parts, good effect to all kinds products.

全热风预热系统、三段式：三段预热分部均匀，助焊剂雾化残流会热风排出机外：不伤害PCB及原器件，针对各种产品有较好的效果。

The experimental results show that shortening of updraft drying time and prolonging of Preheating time will increase the output and compression strength of pellets.

试验结果表明，缩短鼓风干燥时间，延长预热时间和提高气流流速有利于较快提高料层温度，从而提高球团抗压强度和产量。

Based on the raw material conditions of pelletizing process at Ma Steel the process parameters, such as bed depth of grate, temperatures of updraught drying , downdraught drying, preheating and roasting in oxidized pellet production were studied with a grate-kiln simulator.

基于马钢球团原料条件，在模拟试验装置中研究了链箅机—回转窑氧化球团生产的料层高度、鼓风干燥热风温度、抽风干燥热风温度、预热热风温度和回转窑焙烧等工艺参数。

Putting forward save energy falls that the burnt measure has: improves reduction of furnace charge; Use large quantities of weights and many rings cotton material and the feeding system of standard-sized sheet wind gap school assignment;Adding coal gas and blast shedding the wet installation and preheating raising the wind temperature etc with carrying on hot-blast stove combustion-supporting air and coal gas.

提出节能降焦的措施有：改善炉料的还原性；采用大批重、多环布料、全开风口作业的装料制度；购买高品位入炉矿石、炉料分级入炉；添加煤气和鼓风的脱湿设施和进行热风炉助燃空气和煤气预热提高风温等。

An antifreezing ventilation system at winter in a gold mine is designed by use of the earth temperature preheating technology.

利用地温预热入风流技术，设计了金厂沟梁金矿冬季防冻通风系统。

Based on analyzing the dilatometric curves, metallographic structures of test samples of these simulation procedures, four factors which have influences on the tendency of the appearance of the cold cracks in HAZ have been studied, these factors are preheating, slow cooling, expanding the cooling time (t8/5 and t8/3), and heat preservation.

通过对这些模拟过程的热膨胀曲线、试样金相组织等的分析，研究了焊前预热、焊后缓冷、延长冷却时间t8/5与t8/3、焊后保温这四种因素对焊接热影响区冷裂纹产生倾向的影响。

The results showed that the elongated fibriform microstructure of Ti-Ni based alloys was obtained when the first preheating temperature was 850℃and the second was 750℃. After annealing at 400~600℃, the fibriform microstructure of the alloys was restored and refined microstructure was obtained.

结果表明：钛镍基合金经过850℃第一道次挤压和750℃第二道次挤压后，形成了细长的纤维状组织；经400～600℃退火处理后，其纤维状组织得到回复，形成细小组织。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。