rate of cracking
英 [reɪt ɒv ˈkrækɪŋ]
美 [reɪt əv ˈkrækɪŋ]
裂化速率
双语例句
- The strengthening elastics distributed rationally in the meeting area of the air paths will reduce the rate of cracking.
在气道汇集区域内合理布置的加强筋将降低开裂的几率。 - Further more, the extent of cracking is correlated with increasing rate of evaporation and total water evaporated, and plastic-shrinkage cracking will not occur in cement mortar if the rate of evaporation is below 0.7 kg/ ( m~ 2 · h).
砂浆表面的水分蒸发越快、蒸发量越大，砂浆越容易出现塑性收缩裂缝，且裂缝总量也较大；当砂浆表面水分蒸发速度小于0.7kg/（m2.h）时，砂浆不会产生塑性收缩裂缝。 - It is concluded that n-heptane cracking reaction on all the Na~+-zeolites studied follows a pseudo-free radical mechanism and that the deactivation rate of all Na~+-zeolites is slower than that of acidic cracking catalysts.
发现在所考察的沸石上正庚烷裂解都是按类自由基机理进行的，并且Na~+沸石上裂化活性随反应时间的增长下降得比酸性催化剂慢。 - Compared between the single and the multipass welding, the mode and rate of cracking propagation demonstrated that weld metal has good capability to resist crack propagation.
通过比较单道焊和双道焊的裂纹率及裂纹扩展方式说明，MIG焊（熔化极惰性气体保护电弧焊）焊缝具有良好的抗裂能力； - The establishing of perfect legal medical experts consultation system will quicken the step of investigation of homicide case, increase the rate of case cracking, maintain the steady of social public order.
建立规范、完善的法医会诊制度将促进命案的及时侦破，提高命案侦破率，维护社会治安稳定。 - After cement mortars mixed with polypropylene fiber, the total water evaporated and rate of evaporation decrease, times to the first plastic-shrinkage cracking are longer, number and extent of cracking decrease.
掺加聚丙烯纤维后砂浆表面的水分蒸发总量和水分蒸发速度等都有所下降，塑性收缩裂缝出现较晚，裂缝数量和裂缝总权值也显著减少； - The results showed that high cooling rate of hot rolled billet resulted in abnormal microstructure formation and high hardness, which caused shear cracking.
结果表明，原材料热轧后冷速过快，造成组织异常，硬度偏高，导致了剪切开裂。 - The results showed that the corrosion weight loss rate of high Mn steel was distinctly greater than that of medium carbon chromium steel. The high Mn steel caustic embrittlement cracking was distinct in corrosion.
结果表明，高锰钢的平均腐蚀速率显著高于中碳铬合金钢，腐蚀过程中高锰钢有较严重的碱脆开裂现象。 - 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。 - The transverse cracking rate of the Nb containing slab is far greater than that of other steel grade since the former contains Nb and other cracking susceptive elements.
含铌钢由于含有铌等裂纹敏感性元素，其铸坯横裂纹发生率远远大于其它钢种。 - Considering the fact that the cracking reaction is inhibited by it's products, a new rate equation of the cracking primary reaction is used.
考虑到裂解产物对反应的阻抑，文中采用了一个新的裂解一次反应速率方程。 - The rationality is discussed that fatigue life and fatigue crack growth rate determined in impact fatigue testing are used as a measure of fatigue cracking resistance of hot drop-forging die steel.
本文探讨了用冲击疫劳试验测定的疲劳寿命和疲劳裂纹扩展速率衡量热锤锻模材料疲劳抗力的合理性。 - The measures to control the vapor purging time and flow rate of vapour, enlarge the oil-gas space and increase the number of air hole as well as venting area are given, which can effectively prevent the tank top from cracking.
提出采取严格控制扫线作业时间和扫线蒸汽流量，增大油气空间的体积和增加罐顶通气孔数量和面积等措施，可有效地预防该类事故的发生。 - It can improve the micro-structures of material and impress residual compressive stress into surfaces of metal work piece by laser shock waves, reduce the rate of fatigue cracking and stress corrosion cracking in structure metal needed for its applications, so this treatment extends the fatigue lifetime.
它利用激光冲击波技术使零件表层材料的亚结构得到改善和产生有益残余压应力，因此降低了生成疲劳裂纹源的比例和增加抗应力腐蚀的能力，从而延长零件的疲劳使用寿命。 - Tn its applications, a simulative system based on RFB fuzzy neural network is accomplished for predicting product rate of catalytic cracking.
在其应用上，研制了基于径向基函数的模糊神经网络的催化裂化产品产率预测仿真系统。 - The present work shows that the nonuniform thickness of solidified skin of slab created by the nonuniform cooling rate of the skin in the crystallizer is main cause for slab surface cracking.
试验结果得知，坯壳在结晶器内冷却不均，使坯壳凝固层厚薄不同，是铸坯产生表面裂纹的主要原因。 - The thermal expansion anisotropy in crystal, larger temperature gradient and faster temperature reducing rate in crystal growth etc. are the main reason of cracking in Ce ∶ YAP crystals.
晶体的各向异性热膨胀系数，晶体生长过程中大的温度梯度以及快的降温速率等是Ce∶YAP晶体产生开裂的主要原因。 - The effect of solid materials on the oxidation rate of carbon monoxide during cracking catalyst regeneration
裂化催化剂再生过程中固体表面对CO氧化速率的影响 - Water absorption rate of ceramsite increased with the increase of its diameter. Rate of water evaporation of concretes with big diameter ceramsite was lager, but area of plastic shrinkage cracking less.
轻骨料吸水率随其粒径的增大而增大，用较大粒径轻骨料制混凝土水分蒸发速率较大，但拌合物塑性收缩裂缝较小； - An image analysis technique is used to work out the rate of the cracking area by calculating the ratio of pixels between the crack area and the pre selected area in the digital pictures with a self developed Delphi software.
应用图像分析技术，通过用Delphi语言自行编写的处理软件统计数码照片中裂缝区域与选定分析区域像素点的比值，逐步推算出开裂面积率。 - Under the condition of slow strain rate tests method ( SSRT), the susceptive indexes of the stress corrosion cracking for 316L stainless steel in wet hydrogen sulfide service were calculated.
通过慢应变速率拉伸腐蚀试验（SSRT），计算了316L不锈钢在湿硫化氢环境中的应力腐蚀敏感性指数。 - The paper describes that new type inject steam technology can reduce coke precursor, resulting in operation rate of cracking furnace over 96.8%.
采用新型注汽技术改造，降低结焦先兆物，使裂解炉开工率提高到96.8%以上。 - Its reaction rate constants were determined by B-F-G-S and Runge-Kutta. The verification results by commercial data showed that the model was reliable, fitted well and reflected the reaction rules of hydrotreated residuum fluid catalytic cracking.
通过变尺度法（B-F-G-S）和龙格库塔法确定动力学参数，并通过工业实测数据验证，表明该模型具有良好的拟合性和外推性，较好地反映了加氢渣油催化裂化反应规律。 - On Fractal Characterization as an Indicator of Rate of Propagation of Corrosion Fatigue Cracking of Chinese GC-4 Ultra-High Strength Steel
GC-4超高强度钢腐蚀疲劳断口分维特征的研究 - The carbon fiber improves the conduction of heat exchange, increases intensity of propellant, enhances the burning rate of propellant and prevents propellant from cracking.
碳纤维改善了推进剂燃烧表面的导热，增加了推进剂基体强度，可提高其燃速，预防复合推进剂的破裂。 - Influence of Drawing Rate on Formation of Hot Cracking of Aluminium Alloys in Directional Solidification Process
抽拉速率对铝合金定向凝固热裂形成的影响 - Experimental results show that, compared with the conversion rate of pyrolysis, the conversion rate of quasi-homogeneous catalytic cracking is significantly increased.
实验表明，相比于热裂解，模型燃料的拟均相催化裂解的转化率显著提高。 - There is a good relationship between the beginning of plastic shrinkage and the rate of bleeding. The rules of plastic shrinkage and cracking, however, can not be explained by the difference of bleeding and water evaporation.
泌水速率与收缩开始时间存在直接联系，而水分蒸发量-泌水量不能很好反应塑性收缩和开裂的规律。 - The starting temperature, maximum decomposition rate and ending temperature increased with the increasing of heating rate, and the cracking temperature range became wider. However, heating rate had little effect on conversion.
随着升温速率的增加，油页岩热解的初始温度、质量损失峰值、终止温度均增加，而且裂解的温度范围也变宽；升温速率对油页岩的总失重率基本没有影响。