heat of cracking
英 [hiːt ɒv ˈkrækɪŋ]
美 [hiːt əv ˈkrækɪŋ]
网络 裂解热
双语例句
- Additionally, adjusting the air flow to achieve a reasonable coke yield also increased the heat of cracking into a region also consistent with residual operation.
另外，调节空气流量以达到一个合理的焦碳收率，还能提高裂化热到与渣油操作相符的范围。 - Latest studies on heat transfer enhancement of ethylene cracking furnaces in aspects of experiments and simulations were reviewed.
综述了国内外乙烯裂解炉管强化传热技术的最新研究状况。 - On the basis of characteristic of structure and heat transfer of warm up sect, superheated sect, boiler water warm up sect, radialization sect of Cracking Furnace, a mechanism simulation model is set up.
将裂解炉分为原料油预热段、过热段、锅炉水预热段、辐射段等几个部分，结合各部分的结构与传热特点，分别建立机理仿真模型。 - Creep damage is mainly caused by superheat. Because of superheat, creep cavities are formed inside microstructure, under heat stress condition, growth and join of cavities induce creep cracking.
高温蠕变损伤是由于过热引起的，过热使金相组织内部产生蠕变空洞，在热应力下空洞扩展连接而形成蠕变裂纹。 - Application of Heat-pipe Heat Exchanger to Retrofit the process of Cracking Catalyst Manufacture
热管换热器在制备裂化催化剂工艺流程中的应用研究 - The water retention, heat conduction and deformation factor of the traditional plastering mortar are not matched with aerated concrete. It is the main cause of the plaster cracking and hollowing of the aerated concrete interior wall.
传统抹灰砂浆保水性、热导率、变形系数与加气混凝土不相适应，是造成加气混凝土内墙抹灰开裂、空鼓的主要原因。 - Double ellipsoidal heat source model and finite element method were used to analyze 3-D welding temperature distributions and the driving force of weld solidification cracking.
利用双椭球形热源模型研究了SUS310不锈钢的三维焊接温度场，并与实验测量进行了比较。 - In spite of the lower heat of hydration of RCC materials due to high ratio of fly ash, cracking problem is very serious due to the high tensile stress when the temperature of the dam reduces because the continuous full-face compacted construction technique is applied.
尽管高粉煤灰掺量使得碾压混凝土水化热较低，但由于采用通仓连续碾压的施工方式，使得碾压混凝土高拱坝的温度裂缝问题依然十分突出。 - Optimization Control of Heat Transfer Intensity of Ethane and Propane Mix cracking
乙烷和丙烷共裂解的最优传热强度控制 - Technical measures for increasing heat efficiency and processing capacity of cracking furnace were introduced.
介绍了提高裂解炉热效率和加工能力所采取的技术措施。 - For MGG process, the relevant parameters in computing the heat of cracking reaction have been obtained.
在研究开发MGG工艺过程中，推导出了计算反应热的有关参数。 - Study on Radiation Heat Transfer of Large Scale Ethylene Cracking Furnace
大型乙烯裂解炉辐射传热的研究 - The heat of coke desorption and the heat of dehydration of cracking catalysts have been examined with DTA ( Differential Thermal Analysis) and/ or TG ( Thermal Gravimetry).
本文用微量差热天平（DTA-TG）和电子微量天平分别考察了裂化催化剂再生过程中焦炭和水的吸附-脱附作用。 - Abstract This paper presents some methods of computing the heat of cracking reaction which is carried out in FCC and MGG processes.
本文介绍了催化裂化及MGGI艺裂化反应热的计算方法及理论分析。 - Meanwhile, the effect of heat of cracking reaction on the heat balance between the reaction and regeneration syatems in MGG process is illustrated by meaning of commercial operation data.
同时，本文以工业数据说明MGGI艺裂化反应热对反应－再生系统热平衡的影响。 - Post weld local heat treatment of cracking furnace tube
裂解炉炉管焊接后的局部热处理 - A study of desorption heat during regeneration of cracking catalyst
裂化催化剂再生过程中脱附热的研究 - Due to the heat evolved in the process of hydration of cement, the temperature in the body of mass concrete will be raised apparently, and afterward, the shrinkage of concrete in the period of temperature decreasing will cause cracking.
大体积混凝土常因水泥水化过程的放热而使体内温度升高，在之后的降温阶段混凝土收缩而导致开裂。 - Because ultra-thick wall concrete thickness is relatively heavy, concrete temperature that is produced heat of hydration produce and concrete shrinking easy lead to the concrete cracking, So the control concrete cracking is the key to ultra thick wall concrete while construction.
超厚墙体混凝土由于厚度较大，混凝土水化热产生的温度以及混凝土收缩极易造成混凝土产生裂缝，因此对混凝土裂缝的控制成为超厚墙体混凝土施工中的关键之所在。 - The result shows that the cooling pipe is of obvious effect in heat conduction and temperature reduction, and can be applied to prevention of concrete cracking at the early stage.
分析结果表明，冷却水管具有明显的导热降温作用，可达到防止混凝土早期开裂的目的。 - The carbon fiber improves the conduction of heat exchange, increases intensity of propellant, enhances the burning rate of propellant and prevents propellant from cracking.
碳纤维改善了推进剂燃烧表面的导热，增加了推进剂基体强度，可提高其燃速，预防复合推进剂的破裂。 - Reaction heat of gasoline riser with Flexible Dual-Riser Fluid Catalytic Cracking Process has been analyzed and studied. Calculation results obtained from catalytic carbon and molecular expansion method show that reaction heat is 20-30 kJ/ kg at low temperature for the purpose of decreasing gasoline olefin.
对灵活多效催化裂化工艺汽油提升管的反应热进行了分析研究，并通过催化碳法和分子膨胀法计算得出，在低温下以降低汽油烯烃为目标时，反应热为20～30kJ/kg； - As for different projects, suitable surface heat preservation measures should be selected by numerical simulation so as to reduce the probability of cracking in concrete.
对于不同的工程，应通过数值仿真计算选择适合本工程的表面保温措施，以减小混凝土开裂的可能性。 - Early shrinkage of High-strength and High-performance Concrete, the differences of age between segments and the concrete hydration heat effect are three important cause of box girder early shrinkage cracking.
高强高性能混凝土材料早期的大收缩性、混凝土节段间龄期的差异性、混凝土的水化热效应是引起箱梁早期收缩开裂的三大重要原因。 - The internal structure produces a large amount of hydration heat and the temperature will greatly rise. The increase of this temperature and the subsequent huge change of the temperature will produce a series of structural problems, especially concrete cracking.
混凝土结构内部产生大量水化热，将引起很大的温升，这种温升以及随后的降温带来的巨大温度升降变化将产生一系列的结构问题，特别是混凝土的开裂问题。 - The results showed that surface comprehensive heat transfer coefficient has multiple extreme value point, and ignore the influence of quenching cracking on the maximum point, another extremum was found between the temperature of 200~ 300 ℃.
模拟结果表明表面综合换热系数具多个极值点，忽略最大值点处的淬裂情况影响，另一个较大极值出现在200-300℃之间。 - Heat cracking is a complex process influenced by various factors and it is also one of the most serious defects of castings. Current research findings still cannot forecast the heat cracking tendency of casting.
热裂是一个受多种因素影响的复杂过程，是铸件最严重的缺陷之一，现有的研究成果尚不能很好的预测铸件热裂倾向。 - Hydration heat, environmental temperature changes and shrinkage of concrete were the direct factors for concrete cracking. Concrete mix proportions, construction techniques and curing were indirect factors for concrete cracking.
分析认为水化热、环境温度变化和混凝土收缩是导致混凝土开裂的直接因素，而混凝土材料配比、施工工艺及养护是导致混凝土开裂的间接因素。