您要查找的是不是:
- The different methods which calculate the preheat temperature are compared,the CET? method is most accurate. 对F/B复相钢采用cet公式预测止裂温度较为准确。
- The influences of coating material, preheating temperature, spray parameters, thickness of bond coatings and postheating treatment on the coating properties were examined. 探讨了涂层材料、预热温度、喷涂工艺参数、中间过渡层厚度及后续热处理温度等对涂层结合性能和抗热冲击疲劳性能的影响规律。
- When there are no codes governing the welding, one must determine whether preheat is required, and if so, what preheat temperature will be appropriate. 当不存在码管焊接时,我们必须确定是否预热需要,如果是的话,什么预热温度,将是适当的做法。
- This paper has proved that the roll preheat temperature and rise velocity of inductors has influence which is not to be overlook on the output power and current of inductors. 本文用大量生产记录和试验数据证明,轧辊预热温度和感应器上升速度对感应器输出功率和电流有不可忽视的影响。
- 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。
- Preheat before welding and post-heat can obviously diminish welding cracking.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。
- Many results such as olefin yield profile along the resonant rube, influence of quenching, the effects of reaction temperature, preheating temperature of feedstock on the olcfin yield and oxygen consumption were obtained. 在实验室、模试、中试和工业试验装置上进行了直馏汽油脉动氧化裂解试验。 其中,中间试验连续稳定运转30天,取得了共振管不同部位的气体产品收率、骤冷影响、反应温度、原料油和混合气预热温度对烯烃收率和耗氧量的关系,以及高温裂解制烯、炔烃等。
- The influences of the factors (casting size,pouring temperature, preheating temperature,graphite sand depth) on the effect of carburizing case depth, carbon concentration gradient have been studied. 研究了铸件尺寸、浇注温度、铸型预热温度、石墨砂层厚度等因素对渗层深度、碳浓度分布等的影响;
- The elastic recovery of molding products was reduced and the molding accuracy in size of products was improved through increasing the preheating temperature of stock and the pressure holding time. 提高坯料预热温度和(或)保压时间,可使模压制品的弹性回复明显减小、成型尺寸精度显著提高。
- Controlling the preheating temperature for fuel oil of heat Medium heater is a key to increase the efficiency and stable operation of heater,also a way to save energy and reduce loss. 对热媒炉燃料油预热温度的控制是热媒炉提高炉效、稳定运行的关键,也是节能降耗的有效途径。
- Acccording to the testing result, we found that the preheating temperature and pre-draw ratio are two most important factors which influenced the different dyeing effect of the filament. 发现预拉伸倍数和预加热温度是影响白纹丝异染效果的两个最重要因素。
- The results show that the fracture appearance of the bond is in the form of intergranular (IG) and quasicleavage (QC), and the proportion of QC increases with increasing preheating temperature. 结果表明:焊接熔合区断口为沿晶(IG)+准解理(QC)型,随着预热温度增加,QC比例增加;
- The influence of technological parameter such as preheat temperature, heat treatment temperature, weld heat input and welding consumable on the weld of T91/P91 steel was synthetically analysed by means of SMAW during the course of welding process. 综合分析了手工电弧焊焊接过程中的预热温度、热处理温度、焊接线能量等主要工艺因素以及焊接材料对T91/P91钢焊缝性能的影响。
- 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;
- 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。
- In our practice, when the shape of section change greatly, we should improve the preheat temperature quickly for the powder, otherwise the last part will be deformed, the worst is to be destroyed. 当零件截面形状发生突然变化时,粉末预热温度需要随之变化,否则成形件将严重变形甚至不能使用。
- Impact ductility of girth joint of X70 pipeline steel was mainly affected by heat input, preheat temperature and thickness.The calculated results by using regression equation are in good agreem... X70管线钢环缝接头冲击韧性的影响因素主要为焊接热输入、预热温度和板厚,应用该数学模型计算的冲击吸收功与试验值符合较好。
- critical- preheating temperature 临界预热温度
- A small adjustment will equalize the temperature in the two rooms. 稍作些调节就会使两间房内的温度相等。
- Having optimized preheat temperatures, solder pot temperatures, and flux volume, the conveyor speed may have to be reduced to accommodate the solder wetting when using lead-free solder. 对预热温度、焊料槽温度和焊剂体积进行优化后,还可将传送带速度降低,以适应使用无铅焊料时的熔湿速度。