1、

Structure design of slide valve of catalytic cracking unit

催化裂化装置滑阀的结构设计

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2、

Slide valve is the key equipment in catalytic cracking unit. The working condition is very severe.

滑阀是催化裂化装置的关键设备,其工作条件十分苛刻。

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3、

Three-dimension nonlinear cracking study of inducing slit of RCC gravity dam during construction period

碾压混凝土重力坝诱导缝施工期三维非线性开裂分析

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4、

The effects of three kinds of combined weld on the weld crack of medium-carbon alloy steels are studied by using slit type cracking test and microscopic analysis method.

采用Y形坡口裂纹试验和显微分析方法,研究了三种不同的组合焊缝对中碳合金钢焊接裂纹的影响。

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5、

The model of slit type cracking test for finite element analysis is established by HYPERMESH, the composite function of welding heating source and induction heating source is defined by FORTRAN program.

在有限元分析过程中,以斜Y坡口冷裂纹拘束试验为分析对象,利用HYPERMESH建立了有限元分析模型,采用FORTRAN语言编程实现了电弧热源和感应加热热源的复合作用。

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6、

During the construction of TSQ ⅰ CFRD, some problems including the separation of deck from the cushion on the top of phase ⅰ and phase ⅱ decks, cracking of the slope face of cushion and partial deck occurred.

在天生桥一级水电站混凝土面板堆石坝的施工中,发生了一、二期面板顶部脱空、上游垫层坡面开裂和面板局部裂缝问题。

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7、
8、

Study on the reasons caused the cracking and hollowing of wear-resisting floor and repairing measures

浅析耐磨地面裂缝空鼓的原因及修补措施

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9、

The factors which affect the application of aerated concrete wall involve cracking, finish hollowing and seepage.

加气混凝土墙体开裂、空鼓及渗漏一直困扰着加气混凝土的广泛应用。

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10、

Quality problems such as hollowing and cracking in autoclaved aerated concrete walls can be avoided by controlling several key working procedures.

不需要特殊的工艺和材料,只需控制好几个关键工序,就可以避免加气混凝土墙体出现收缩裂缝、空鼓等质量通病。

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11、

Cracking breaks larger molecules into smaller ones.

热裂解将大分子分解成小分子.

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12、

The mortar shrinkage was also reduced by 36% as compared with clay mortar and by 25% with lime mortar. The resistance to rupture of mortar was highly improved and the common quality faults such as cracking and cavities were effectively prevented.

降低砂浆的收缩,28d收缩值比粘土混合砂浆降低了36%,比石灰混合砂浆降低了25%,改善了砂浆的抗裂性,能有效预防砂浆空鼓、开裂等质量通病。

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13、

The application of aerated concrete in building was restricted for the cavity and cracking occurred seriously on stucco coating of the aerated concrete wall surface.

加气混凝土在建筑墙体应用中由于墙面粉刷层空鼓开裂现象严重,成为制约其在建筑中推广应用的瓶颈。

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14、

The influences on deformation and strength of cylinder head by both thermal load and mechanical Joad are compared, and the causes of cylinder head cracking and the causes of gasket damage are explained.

分析了热负荷及机械负荷对缸盖变形和结构强度的影响,查明了气缸盖火力面产生裂纹和发生冲气缸垫现象的主要原因。

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15、

The double lift pipe in a 800 kt/ a catalytic cracking unit, including reaction – regeneration fractionation, absorption – stablization, waste heat boiler and gasoline mercaptan removal, was remoulded.

中国石油锦西石化公司采用石油大学与华东设计院共同开发的双提升管催化裂化技术,对80万t/a催化裂化装置反应$C再生、分馏、吸收稳定、余热锅炉、汽油脱硫醇等部分进行改造。

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16、

Comparison tests were made between RU small riser catalyst test apparatus and commercial residue fluid catalytic cracking ( RFCC) unit under the same reaction and regeneration condition. The results showed that a strong correlation between both of them.

通过不同阶段随机抽样实验比较,使用工业重油催化裂化(RFCC)装置进料和催化剂(平衡剂),采用相同的反应和再生条件,在RU小型提升管催化剂评价装置上做比较实验。

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17、
18、

Simulation for Acetic Acid Cracking Furnace with Two Section of Reaction Coil

两段管醋酸裂化炉的数学模型

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19、

Effect of cracking reaction of tar component on the activity of calcium oxide

氧化钙催化活性在焦油裂解过程中的变化规律

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20、

Study on Photo Sensitizer Applied to Oxidation Desulfurization from Catalytic Cracking Gasoline by Photocatalysis

催化裂化汽油光催化氧化脱硫光敏剂的研究

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