The paper discussed the feedstocks and technical feature of cracking section of Guangzhou Ethylene Unit, and the optimized operation have been mentioned.
分析了广州乙烯裂解装置的原料及工艺设计特点，并提出优化运行的建议。
Calculating method for the long-term deflection of r. C. beams with cracking section, considering the nonlinear creep stress and shrinkage stress, is presented in the paper.
本文研究考虑非线性徐变和收缩时钢筋混凝土梁长期挠度计算方法。
It can be used to check the flexibility of the convection section when the feed and operation condition changes, and it can be used to design the cracking furnace of different scale and feedstocks.
可以很好地用来判断现有裂解炉对流段对改变原料和操作条件的适应性和设计各种规模和适应各种原料的裂解炉。
It is shown that due to the presence of axial thrust and the gradual cracking of the section, a plain concrete element can deform significantly without losing its flexural strength.
论证了由于板中存在推力以及截面的逐渐开裂，素混凝土构件能显著变形而不(？)其承载能力。
Based on detailed investigation information of subgrade in Qingshuihe experimental section, the occurrence reason of cracking and classification of the cracking are studied.
通过清水河试验段路基裂缝的详细调查资料，分析了裂缝产生的原因，并对裂缝进行了分类。
It is concluded from the analysis that the culprit of cracking is the mal-fluidization of stripping steam as all the crackings of stripping section have devel - oped near the steam.
认为沉降器汽提段穿孔部位均发生在汽提蒸汽附近，汽提蒸汽流化异常状态是造成穿孔的根本原因。
The model of the cracking moment of normal section for recycled concrete beams is investigated on base of some basic assumptions.
在基本假定的基础上，分析了再生混凝土梁正截面开裂弯矩理论计算模式。
The burst part in convection section of a tube of F108 cracking furnace in alkene factory, Liaoyang Petrochmical Company, was analyzed.
针对辽阳石化分公司烯烃厂f 108裂解炉对流段炉管爆裂破坏进行了分析。
The cause of subway station top floor cracking during construction is analyzed, and the temperature stresses of the monitoring section are computed using the practical test data.
分析了施工阶段地铁车站顶板裂缝的成因，根据实测数据计算了监测段的温度应力。
According to the calculation theory of normal section bending bearing capacity, the calculation formula of cracking moment of high-strength concrete beam was derived by the concrete mechanic method.
根据正截面受弯承载力计算理论，运用混凝土力学分析方法，导出高强混凝土梁的开裂弯矩计算式。
Using good heat insulation material for the furnace wall of the radiation section can reduce the heat dissipation in the radiation section of the cracking furnace.
做好辐射段炉墙的隔热保温工作可减少裂解炉辐射段热损失。
In this paper a macro-cracking in the medium casing which is a heavy section casting of 261 turbogenerator was investigated by SEM, EDAX and others.
采用扫描电镜断口分析、微区能谱分析等方法研究了261汽轮机中汽缸大型铸件开裂问题。
In this paper a macro-cracking in the medium casing which is a heavy section casting of 261 turbogenerator was investigated by SEM, EDAX and others.
采用扫描电镜断口分析、微区能谱分析等方法研究了261汽轮机中汽缸大型铸件开裂问题。
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