查询词典 cracking

Hypotheses for the formation of Ithaca Chasma include cracking of Tethy's outer crust as the moon cooled long ago, and that somehow the rift is related to the huge Great Basin impact crater named Odysseus, visible elsewhere on the unusual moon.

关于Ithaca Chasma如何形成的假说包括在很久以前土卫三慢慢变冷的过程中，其外表地壳裂开，以及那条裂缝可能与在别处一个叫奥德修斯的巨大陨石坑有关。

As a result of aromatization of organic matter during the thermal cracking of original bitumen into gas,the aromatic hydrocarbons in the bitumen are characterized by abnormally abundant tetra-and penta-cyclic compounds,and predominated by parent aromatic compounds without alkyl chain,such as fluoranthene,pyrene,chrysene, benzofluoranthene etc.

沥青的芳烃组成独特，富含四、五环芳烃化合物，且以萤蒽、芘、和苯并萤蒽等无烷基取代的母体芳烃化合物为主，反映出沥青裂解成气过程中的有机质芳构化作用。

Present status and application of isoprene,cyclopentadiene and m-pentadiene in cracking C_5 fraction products were reviewed.

重点介绍了国内外裂解C5分离产物异戊二烯、环戊二烯和间戊二烯利用近况，提出C5综合利用具有很广阔的发展前景和现实意义。

The gas phase oxidative cracking processes of decalin and cyclohexane were investigated by using the quartz tube reactor at atmospheric pressure.

采用石英管反应器，在常压下研究了十氢萘和环己烷的气相氧化裂解过程。

High reaction performance and decoking ability were obtained in gas-phase oxidative cracking of decalin , as compared with its pyrolysis reaction.

十氢萘气相氧化裂解与传统的热裂解工艺相比，O2的存在降低了十氢萘 GOC反应的活化能，使反应在较低温度下具有高的反应性能；O2同时起到消除积炭的作用，提高体系的抗积炭能力。

There is a set of 300000 T/Y normal decompressing line of advanced level and a set of 100000 T/Y catalyze and cracking equipment.

公司拥有一套生产工艺先进、自动化程度高的年加工原油能力为30万吨/年常减压装置和一套自动化程度达到国际先进水平的10万吨/年催化裂化装置。

Theoretical analyses are made for obtaining the intrinsic relation between cracking and non-linear deformational response in conjunction with the experimental observations.

为了定量地描述裂纹扩展和变形响应的关系，定性地观察裂纹的扩展情况是不够的，特别是在受压力载荷下，需要用

Fatigue cracking is one of the major modes of premature distresses in asphalt pavements. Cracks of asphalt pavements start as microcracks and later propagate, densify, and coalesce due to repeated traffic loading or low temperature thermal stresses or combinations of both to form macrocracks, and result in structural distresses of asphalt pavements.

疲劳开裂是沥青路面主要的早期破损形式之一，由于交通荷载和低温应力的反复作用，沥青路面中的微裂纹不断扩展、增密并贯穿连通形成宏观裂纹，导致。。。

The cracking reaction of Ethylidene diacetate is the key step to manufacture vinyl acetate from C1 compound. The technological development is based on the study of the reaction property and the reactor, and is guided by the process simulation results.

二醋酸亚乙酯裂解反应是C1路线制醋酸乙烯的关键步骤，其工艺的开发离不开反应过程的研究和反应器的确定，而过程数学模拟可以指导过程开发。

Based on the above results, the anti-cracking mechanism of the diatomite asphalt mixture is analyzed from the angle of contraction performance and breaking energy.

在此基础上，从混合料收缩性能和破坏能量2个角度分析了硅藻土沥青混合料的低温抗裂机理。

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。