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Terrazzo is a material often used for flooring and consists of an aggregate (typically marble, though glass or other materials are common) in a matrix of cementitious or epoxy material. The aggregate ...
Effect of 1-Methylnaphthalene Solvent on Cracking of Oil Sand Bitumen with Iron Oxide Catalyst in Steam Atmosphere
Oil sand bitumen Steam catalytic cracking Iron oxide catalyst 1-Methylnaphthalene
2010/9/8
Catalytic cracking of bitumen with steam was examined. The heavy oil fraction of bitumen reacted with active oxygen species generated from steam with the iron oxide catalyst, producing significant amo...
Oxidative Cracking of Aromatic Compounds Related to Lignin Constituents with Steam Using ZrO2–Al2O3–FeOx Catalyst
Iron oxide catalyst Biomass Lignin-constituent aromatic Phenol Oxidative cracking
2010/9/8
The catalytic activity of iron oxide composite catalyst (ZrO2–Al2O3–FeOx) was investigated for converting aromatic compounds derived from plant biomass into useful aromatics. Catalytic cracking of lig...
Application of element deletion method for numerical analyses of cracking
Cracking Element deletion method Specific plastic work
2009/12/14
Purpose: To develop a numerical algorithm to simulate cracking and its evolution for machining, shearing and multi-pass hot bar rolling processes.
Design/methodology/approach: Element deletion method...
Influence of Catalyst Type and Regeneration on Upgrading of Crude Bio-oil through Catalytical Thermal Cracking
catalytic cracking biomass catalyst
2009/11/16
Catalysts, such as HZSM-5(Si/Al=50), HZSM-5(25), zeolite 5A, CaHZSM-5(50), ZnHZSM-5(50), and Kaolin were used in upgrading of crude biomass oil from pyrolysis in a fixed-bed reactor under atmospheric ...
Die-casting dies are exposed to high thermal and mechanical loads. Thermal fatigue cracking of dies due to
thermal cycling may importantly shorten the life-time of the die. Cracks degrade the surface...
Design,Manufacture and Investigation of Cracking Efficiency of a Stone Cracking Machine with Periodic Loading and Sloping Jaw
Stone cracking machine Apricot and Almond
2009/10/13
In this study, a stone cracking machine with periodic loading, and a shaky and sloping jaw which breaks apricot and almond stones was designed and manufactured. For determining the cracking eciency o...
VAPOUR PHASE CRACKING OF TAR FROM PYROLYSIS OF BIRCH WOOD
wood pyrolysis tar cracking secondary reaction
2009/10/13
The vapour phase cracking of tar from pyrolysis of birch wood (particles, 0.5-1.0 mm) was studied in a thermogravimetric analyser (TGA) and in a coupling of the TGA with a consecutive tubular reactor....
稻秆气化焦油催化裂解脱除过程模型改进与优化（Improving and Optimizing the LS-SVM Model of the Rice Straw Gasification Tar Removal Process by Catalytic Cracking）
稻秆 气化 焦油催化裂解 模型改进 优化
2010/4/1
对所建立的稻秆气化焦油催化裂解脱除过程LS-SVM模型进行了改进，将原模型的核函数由高斯径向基RBF核函数改为线性lin核函数，并对改进以后的模型进行了验证，在此基础上对稻秆气化焦油催化裂解过程作了优化。结果表明，改进以后的模型具有更好的模拟效果和泛化能力，且当催化裂解温度为949.1356℃，气相停留时间为0.9819s时，焦油催化裂解率达到最大值98.6877%。 The LS-SVM mod...
Influence of water on yields and isotopic fractionations of gas hydrocarbons generated from oil cracking
crude oil pyrolysis experiment water gas yield carbon and hydrogen isotope
2017/8/9
Few investigations have been made to discuss the influence of water on the yields and carbon and hydrogen isotopic ratios of gas hydrocarbons generated from oil cracking although water occurs in oil r...
Tarnish Resistance, Corrosion and Stress - Corrosion Cracking of Gold Alloys
Tarnish Resistance Corrosion Stress
2009/7/29
Tarnishing, corrosion and stress corrosion cracking (SCC) of gold alloys are related phenomena. Theypresent problems when they occur in gold jewellery, dental gold alloys and electronic devices. They ...
Hydrothermal Cracking of Furfural Extract into Middle Distillate Using Ni/Silica-alumina and Ni/Molecular Sieve Hybrid Catalyst
Furfural extract Hybrid catalyst Molecular sieve 13X
2009/7/24
Heavy residual products in petroleum refineries are a useful source of hydrocarbons, so are a potential substrate for producing middle distillates by hydrocracking technology to increase the supply ...
Hydrocracking of Vacuum Residual Oil（Part3）Combination of Hydrothermal Cracking and Hydrocracking
Hydrocracking Hydrothermal cracking Vacuum residue Bottom cycle Spent catalyst
2009/7/23
An integrated hydrocracking process using a combination of hydrothermal cracking and hydrocracking was proposed and tested using a micro-autoclave. In the first hydrothermal cracking stage, Arab heav...
Rare earth metals influence on morphology of non-metallic inclusions and mechanism of GP240GH and G17CrMo5-5cast steel cracking
Cast steel Rare earth metals Modification Non-metallic inclusions Fractography
2011/4/1
This paper presents results of research carried out in order to specify the influence of the rare earth metals on the morphology of the occuring non-metallic inclusions as well as on the cracking me...
Influence of Deformation-Induced Martensite on Stress Corrosion Cracking of AISI 321 Stainless Steel
stress corrosion cracking martensite deformation
2009/4/21
Specimens of AISI 321 stainless steel (0Cr18Ni9Ti) of various martensite contents were prepared by the low temperature(－70℃ ) elongation method.X-ray diffraction (XRD) and transmission electron microg...