primary cracking
英 [ˈpraɪməri ˈkrækɪŋ]
美 [ˈpraɪmeri ˈkrækɪŋ]
网络 初次裂解
双语例句
- Discussion on the primary causes and preventing measures for cracking and broken of cement concrete pavement;
针对沥青路面上加铺水泥混凝土路面断板原因进行了分析，提出了具体解决的办法。 - There are reactor coolant system weld issues, they're used and they're getting primary water stress corrosion cracking.
还有反应堆冷却剂系统焊接问题，它们使用了并且得到原生水，应力腐蚀裂痕。 - The results show that during the primary wear stage the wear pattern consists mainly of grain breaking and cracking, while during the steady wear stage it consists mainly of grain fracture and abrasion.
指出：在初期磨损阶段，砂带磨损形式主要是磨粒脱落与破裂；在稳定磨损阶段，砂带主要磨损形式是磨粒破碎与磨损。 - It is concluded that the local tensile stress created during quenching process and the stress concentration due to sharp V-shaped notch are the primary reasons of cracking.
认为，淬火过程中产生的局部拉应力加上尖锐V型槽口引起的应力集中是造成开裂的主要原因。 - 《 The relation primary research for the cracking activities or selections and the unit cell constants of ultrastable Y zeolites or La~ ( 3+)-exchanged ultrastable Y zeolites 》
《超稳Y和La~（3+）交换超稳Y沸石的晶胞常数与裂解活性和选择性关系初探》 - Experimental results show that the primary problems existing in the weather resistant steel SPA-H are found to be central cracking in the slab and surface defects of the strip and measures to solve those problems accordingly suggested and desirable effects achieved.
试验表明，连铸坯中间裂纹和钢带表面质量缺陷是SPA-H耐候钢带生产中存在的主要问题，提出了相应的解决措施，并取得较好效果。 - Primary progress of cleaning production was systematically summarized for manufacture of molecular sieve cracking catalyst.
系统地总结了分子筛裂化催化剂清洁工艺生产中已取得的主要进展。 - During welding process, inter-metallic compounds ( Fe2Ta) which produced at 1460 ℃ was the primary factor caused the welding joint cracking.
在焊接过程中，高温下形成的金属间化合物（Fe2Ta）是引起焊缝开裂的主要原因。 - With the consideration of all the reactions involved in the polyesterification of BHET ( bis-β-hydroxyethyl terepliathalate) such as the primary forward polycondensation reaction, its reverse reaction and the cracking reaction, a kinetic equation was derived.
考虑了对苯二甲酸乙二酯（BHET）缩聚过程的主反应、逆反应及热裂解反应，得到一个动力学方程式。 - A study of the primary reactions of thermal cracking of light gas oil
轻柴油裂解一次反应研究 - DCC catalyst consists of a modified mesopore zeolite with pentasil structure for primary product of naphtha range to undergo secondary cracking for producing light olefins.
催化裂解催化剂是一个含改性五元环中孔沸石的固体酸催化剂，汽油一次产物在中孔沸石内进行二次裂化转化为轻烯烃。 - The primary factors of the cracking of KLN crystal have been discussed;
探讨了KLN晶体生长时开裂的主要原因； - The results show that the main forms of cracks in hardfacing metal are primary crystallization crack and quench harding crack. The cracking resistance of hardfacing metal can be improved by adding RE oxide in coat of electrode.
结果表明，堆焊金属中的开裂形式为结晶裂纹和淬硬裂纹，加入稀土氧化物能提高堆焊金属的抗开裂性能。 - In order to decrease shrinkage crack stem of cement stabilized gravel by controlling the maximum of dosage, and the lower limit by controlling the dosage as much as possible to ensure stability of primary fatigue cracking does not appear.
通过控制水泥剂量上限尽可能减少水稳碎石基层的干温缩开裂，通过控制水泥剂量的下限来尽可能确保水稳基层不出现疲劳开裂。 - Shrinkage and cracking were the primary factors influencing the durability of modern concrete, and the drying shrinkage is the common and primary reason of concrete cracking.
收缩开裂是影响现代混凝土耐久性的主要因素，而干缩变形又是引起混凝土开裂的最常见也是最主要的原因。 - Catalytic cracking is a primary approach for the endothermic reaction, however, coke formation during cracking is a primary obstacle.
催化裂解是实现吸热反应的主要途径，而催化裂解结焦成为超高音速飞行器应用吸热型碳氢燃料的主要障碍。 - Flue gas turbine is primary equipment for energy recovery as heavy oil catalytic cracking unit ( FCCU). It will generate electricity by exchanging the heat to mechanical energy. Currently, it is the most effective to recover energy in our country.
烟气轮机（以下简称烟机）作为重油催化裂化装置中主要的能量回收设备，可将烟气含有的热量转化为机械能发电，是当前国内外催化裂化装置回收能量的最有效方法。