preheat temperature

Increasing preheat temperature can decrease the stress peak ;

提高预热温度可以降低应力峰值；

Reducing fuel consumption by raising air preheat temperature

提高空气预热温度降低燃料消耗

As preheat temperature increases , rate of beryllium welding cracking decreases .

焊前预热及焊后缓冷对抑制裂纹作用显著，且随着预热温度提高裂纹率呈下降趋势。

Study on The Effect of Tungsten Content and Preheat Temperature on Combustion synthesized Product in Ti-W-C System

W含量及预热温度对Ti-W-C体系燃烧合成产物的影响研究

There is a critical mould preheat temperature existing for the effect of preheat temperature on grain size .

模具预热温度对晶粒尺寸的影响存在一个临界值，当预热温度超过临界值时，晶粒尺寸急剧增加。

When the shell preheat temperature at 200 ℃, the casting cavity can be basically filled .

在型壳预热温度为200℃时，铸件基本可以充满型腔。

Effect of Double-Regenerative Burner Structure and Preheat Temperature on Flame of the Annular Furnace

双蓄热燃烧器结构和预热对环形炉特性的影响炉底双侧烧嘴均热炉

A simple approach for preheat temperature determination in fine-grained quartz optically stimulated luminescence dating

黄土细颗粒石英光释光测年中预热温度选取的简易方法

In this paper , the welding procedure of X65 has been studied to determine the preheat temperature .

为了探讨潮湿环境对焊接质量的影响，以X65级管线钢为例进行了焊接性分析，确定其预热温度。

The results show that , with the increase of heat input and preheat temperature , the peak value of the residual stress decreases .

结果表明，随着热输入的增大和预热温度的提高，残余应力峰值逐渐降低。

Determination of preheat temperature for welding q390e / q420e girder of Songhua River Bridge

松花江斜拉大桥Q390E/Q420E钢梁焊接预热温度的确定

Temperature compensation study at low-temperature regions by increase heat sources in the powder bed surface at the basic research of preheat temperature field of powder bed .

为此本文在粉床表面的预热温度场研究基础上，通过在粉床表面增加热源的方式对温度较低区域开展温度补偿研究。

The effect of W content and preheat temperature on phase components and powder size of combustion synthesized product in Ti W C system were studied .

研究了W含量及预热温度对Ti-W-C体系燃烧合成产物相组成及粉末形貌的影响。

Then an extrusion simulation trial was established to exploring the extrusion speed , metal preheat temperature , friction coefficient change to the extrusion process .

其次，建立挤压成形的模拟试验，探讨挤压速度、坯料预热温度、摩擦变化三种工艺参数的对挤压过程的影响。

This paper analysed the cause of the heat energy consumption high , some improving preheat temperature and decreasing digester heat resources 's way have been put forward .

本文通过对高压溶出热能消耗高的原因分析，提出了提高预热温度是降低高压溶出热能消耗的有效途径，可达到增产节能的目的。

The effects of input power , O2 / C molar ratio and preheat temperature on methane conversion and hydrogen selectivity were investigated experimentally .

分析了输入功率、氧气／甲烷摩尔比、以及预热温度对甲烷转化率和氢气选择性的影响。

The effects of different process parameters such as laser power , scanning speed , preheat temperature , powder-bed depth on the sintered quality were studied systematically .

系统研究了激光功率、扫描速度、预热温度、铺粉厚度等工艺参数对成型试样质量的影响。

The effects of technical parameters to quenching result are researched , heat transfer coefficient , preheat temperature and quenchant temperature are regarded as the object variable .

结果表明，换热系数是影响淬火结果的主要因素，淬火介质的温度及零件的预热温度对于零件淬火后的性能影响很小；

The effects of chloridization reactor , preheat temperature , chlorine flow rate , reaction temperature and reaction time on the conversion of chlorine gas were examined .

考察了氯化反应器、预热温度、氯气流速、反应温度及反应时间对氯气转化率的影响。

The relationships among the preheat temperature , adiabatic temperature and the melt rate of Mg_2Ni are definite through the calculation of adiabatic temperature under ideal state .

通过对理想状态下反应绝热温度的计算，明确了体系的预热温度与反应绝热温度及产物熔化率的关系。

On the other hand , without controlling the temperature and pressure , increase of the preheat temperature will cause small changes of the yields of gas , gasoline and coke .

在再生器压力、沉降器压力和提升管出口温度均不被控制时，提高原料预热温度，气体、汽油和焦炭产率及反应深度变化很小。

In this paper , its stress field under working conditions was simulated at the same time , the effects of time of thermal shock , preheat temperature and thermal conductivity of refractory were researched .

运用有限单元法，模拟长水口在工作状态下的热应力场，研究了热冲击时间、预热温度以及材料的热导率对热应力的影响。

The mould temperature and stress field were simulated at different pouring temperature , mould preheat temperature , pouring velocity and mould material . Then the influence law of factors mentioned above was accordingly obtained .

在不同浇注温度、模具预热温度、浇注速度、模具材料的条件下，对模具的温度场和应力场进行数值模拟，得出上述各因素对模拟结果的影响规律。

The characteristics of jet structure of kerosene injection into quiescent atmosphere and Mach 2.5 crossflow at various preheat temperature were investigated experimentally by using direct photo and schlieren visualization .

利用直接照相和纹影显示研究了不同预热温度的煤油喷注到静态大气和马赫数25的横向气流时射流结构。

The air preheat temperature , swirler number and excess air ratio is mainly factor that influence the Stirling combustor 's velocity and temperature distribution and exhaust level . These parameters have been optimized .

空气预热温度、旋流数和过量空气系数对斯特林燃烧室速度场、温度场分布以及排放有重要影响，本文分别对这些参数进行了优化。

As different billet preheat temperature was simulated , the deformation metal temperature was gradually increased along the extrusion direction while the increase of billet preheat temperature , and extrusion pressure was declined gradually .

采用不同的坯料预热温度进行模拟，变形金属温度沿挤压方向逐渐升高，随着坯料预热温度的升高，挤压压力逐渐下降。

The results show that for a steel plate preheat temperature of 510 ℃ and a 32 % Al-7 graphite slurry solid fraction , the Fe-Al compound increases gradually at the interface with diffusion time .

结果表明：在钢板预热温度为510℃、Al-7石墨半固态浆料固相率（体积分数）为32%的条件下，随着扩散时间的增加，复合界面上生成的铁铝化合物逐渐增多；

As a result , the combustion reaction becomes complete , single phase ( Ti , W ) C is synthesized advantageously and the powder size increases with the decrease of W content and the increase of preheat temperature .

结果，燃烧反应随之完全，有利于合成单相（Ti，W）C粉末，且产物粉末粒度增加。

By material welding characteristics analyses , edge preparation and weld preheat temperature , and weld process parameters , and heat treating temperature after welding are well considered , And the welding process is strictly controlled and crack defects are successfully removed .

文章通过对超高压汽轮机中联门材质的焊接性分析，确定坡口加工及焊缝形状、焊前预热温度、焊接工艺参数及焊后热处理温度，并严格控制焊接工艺过程。

Selective laser sintering of coated sand was investigated with a number of experiments . Effects of different process parameters such as laser power , scanning rate , preheat temperature , spot diameter on the dimension accuracy and sintered quality were studied systematically .

通过对铸造用覆膜砂烧结实验，激光功率、扫描速度、预热温度、光斑直径工艺参数对烧结试样成型精度和烧结质量的影响，总结出了制件尺寸随各工艺参数变化的趋势。