查询词典 cracking

Purpose: dust filter in air conditioning ventilation program Speciality: utilize ultrasonic thermo-melt techniques;have firm structure but depreessed cracking;adopt high-quality electrostatic nonwovens with pockets;diffluent equally,keep pockety,reduce consumption and make full use of filter materials;without the danger of old fiber glss rupturing and the discomfort to human,as well as the condition of breeding microbe;long working life.

特性： 采用热融工艺，结构稳定，降低破漏风险；采用长效静电无纺布，内衬小口袋，既分流，均流，又保持袋形，降低损耗，充分利用滤料；无旧式玻纤断裂的危险及对人体造成的不适，无导致微生物滋生的条件，而且有较长的使用寿命，最高使用温度可达80

And the ethylene cracking furnaces are the primary equipments of the petrochemical industry, for example, about 65 percent of gross weight of the three olefins (ethylene, propylene and 1,3-butadiene) and the three aromatics (benzene, toluene and dimethylbenzene) is produced by the ethylene equipments.

乙烯绝大部分是由石油烷烃裂解而生产，乙烯裂解炉是乙烯生产中的关键设备，三烯和三苯总量的65%都来自乙烯生产装置。

From comparative research of synchronous and asynchronous reaction of dehydrogenation and cracking of dipentene,it is shown that farraginous extent of by-products from synchronous reaction is relatively high.

双戊烯脱氢裂解的同步反应和异步反应对比研究显示，双戊烯脱氢裂解的同步反应产物比较混杂，反应产物中甲苯的相对含量仅为24。

From comparative research of synchronous and asynchronous reaction of dehydrogenation and cracking of dipentene,it is shown that farraginous extent of by-products from synchronous reaction is relatively high.

双戊烯脱氢裂解的同步反应和异步反应对比研究显示，双戊烯脱氢裂解的同步反应产物比较混杂，反应产物中甲苯的相对含量仅为24.03%，双戊烯相对于甲苯的料耗比为5.34，甲苯的得率为30.79%，中间产物对伞花烃的得率为2.49%；双戊烯脱氢裂解的异步反应产物混杂程度相对较低，反应产物中甲苯的相对含量为40.74%，对伞花烃的相对含量为18.31%，双戊烯相对于甲苯的料耗比为3.33，甲苯的得率为49.26%，中间产物对伞花烃的得率为16.92%。

Heredity of the surface inclusion results in aluminum foils cracking and forming dispersively penetrated hole.

表层夹杂的遗传将导致箔材断带和弥散性穿孔。

Under optimal reaction procedures and reaction system, genomic DNA of a series of 10 times reference culture diluents of salmonella enteritidis extracted through poaching cracking process is taken as a template to carry through fluorescence quantitative PCR , and then specification curve is drawn. Based on linear relation R and augmentation efficiency E, whether the repeated sample data are consistent and whether initial templates with different copy numbers have the same augmentation efficiency are judged.

在优化的反应程序和反应体系下，以水煮裂解法提取的肠炎沙门氏菌标准菌株10倍系列稀释液的基因组DNA为模板，进行荧光定量PCR，绘制标准曲线，根据线性关系R 2 和扩增效率E来衡量重复样品数据是否一致和不同拷贝数的初始模板是否具有相同的扩增效率。

It was also found that the protecting effect of erodents on the coating surface does exist. The protecting effect will be more evident if using erosion efficiency of unit mass erodent of sand in the slurry to describe the erosivity of erodent. Besides a model is proposed to explain the protection process. The wear mechanism of the coating is the co-operation of ploughing, cracking and ablation.

对涂层的SEM分析可知，除冲蚀粒子在涂层表面的犁沟作用，冲蚀磨损的结果造成涂层的表面生成了系列针孔，其中的一部分为溶剂挥发所至，另外还存在由增强颗粒的剥落和裂纹的扩展造成的涂层剥落产生的孔洞，这将可能为水的吸收和扩散造成有利条件，使复合涂层亚表层产生内应力。

This paper introduces the light gaso line etherify technology,brings fo rward the project of building the light gaso line etherify device on th e catalyst cracking cell in the refin ery plant.

介绍了轻汽油醚化技术，提出了在炼油厂催化裂化单元建设轻汽油醚化装置的方案。

The invention relates to a catalytic cracking catalyst with faujasite. Wherein, it comprises high-silicon-aluminum faujasite at 5-95%, and fusion-resistant oxide at 5-90%; the mol ratio as SiO2/Al2O3 of faujasite is 6-20; it is Y-type zeolite, whose particles have sheet shape.

本发明涉及一种含八面沸石的催化裂化催化剂，以重量计含有高硅铝比八面沸石5％-95％，耐熔氧化物5％-95％，其中八面沸石的SiO2/Al2O3摩尔比为6―20，属于八面沸石中的Y型沸石，并具有片状形貌。

The results showed that:(1) different geometrical states of polypropylene fibres had obviously effects on the plastic shrinkage cracking properties, and PP fibres by drawing wire had better effect than fibrillated film ⅡPP fibre, the latter had better effect than fibrillated film ⅠPP fibre;(2) the plastic sh...

结果表明：(1)聚丙烯纤维几何形态对抗塑性干缩开裂性能有明显影响，拉丝PP纤维效果最好，膜裂ⅡPP纤维次之，膜裂ⅠPP纤维最差；(2)聚丙烯纤维掺量对抗塑性干缩开裂性能也有较大影响。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。