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ON THE DECOMPOSITION OF ALITE IN PORTLAND CEMENT CLINKER刘顺妮摘 要:<正>The decom position speed and mechanism ofalite in Poriland cement clinker are stuc’ied by means of op-tical microscopy,EPMA,XRD and chemical analysis.Theresults show that alite in portland cement clinker decompos-es at the maximum speed when the temperature is at 1025~1175℃.It takes......
Tuning thermal decomposition of ammonium perchlorate by nanoporous Gd2O3 for improved safety and enhanced propellant efficiencyXuezhen Zhou1,Chunyan Hu2,Xiaojun Liu1,Weifan Chen1,Qun Tang1,Yongxiu...) with different specific surface areas were prepared by a nonaqueous sol-gel method and utilized to tune the exothermal decomposition of ammonium perchlorate(AP) for enhanced propellant efficiency......
Effect of Decomposition Kinetics of Titanium Hydride on the Al Alloy Melt Foaming ProcessDonghui Yang1,2,Jianqing Chen1,Hui Wang3,Jinghua Jiang1,Aibin Ma1,Z.P.Lu31. College of Mechanics and Materials... the titanium hydride decomposition is one of the key factors to influence the Al alloy melt foaming process.In this study,a set of decomposition kinetic equations of titanium hydride was acquired by separating......
Tuning thermal decomposition of ammonium perchlorate by nanoporous Gd2O3 for improved safety and enhanced propellant efficiencyXuezhen Zhou1,Chunyan Hu2,Xiaojun Liu1,Weifan Chen1,Qun Tang1,Yongxiu...) with different specific surface areas were prepared by a nonaqueous sol-gel method and utilized to tune the exothermal decomposition of ammonium perchlorate(AP) for enhanced propellant efficiency......
Phase decomposition behavior and its effects on mechanical properties of TiNbTa0.5ZrAl0.5 refractory high entropy alloyYuankui Cao1,Weidong Zhang2,Bin Liu1,Yong Liu1,Meng Du1,Ao Fu11. State Key Lab... was evaluated, and the effects of phase decomposition on room/high temperature mechanical properties were quantitatively studied. It was found that, the thermomechanical processing at 800℃and 1200......
Decomposition reaction kinetics of Baotou RE concentrate with concentrated sulfuric acid at low temperatureWANG Xiuyana, LIU Jiemina, LI Meib, FAN Huilia, and YANG Qishana a Department of Chemistry...-DTA) and chemical analytical methods were used to study the thermal decomposition process and the thermal decomposition effect.The Freeman-Carroll method was applied to analyze the TG-DTA curves.The......
Effects of Cerium Oxide on Ni/Al2O3 Catalysts for Decomposition of CH4 and C2H4 杨咏来1,徐恒泳1,李文钊1 (1.Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China) Abstract:Characteristics of carbon deposition of CH4 and C2H4 decomposition over supported Ni and Ni-Ce catalysts were studied by using a pulse reaction as well as BET, TPR, XPS and hydrogen chemisorption......
Thermodynamic analysis on sodium carbonate decomposition of calcium molybdenum XIA Wen-tang(夏文堂), ZHAO Zhong-wei(赵中伟), LI Hong-gui(李洪桂) School of Metallurgical Science and Engineering, Central...: calcium molybdenum(CaMoO4); sodium carbonate; decomposition; thermodynamic analysis; concentration logarithm diagram  ......
Trans. Nonferrous Met. Soc. China 22(2012) 2459-2464 Synthesis and photoluminescence properties of single-crystal ZnO hexagonal pyramids by PEG400-assisted thermal decomposition route LIU... decomposition route of precursor at 240 oC in the presence of PEG400. The precursor was obtained by room-temperature solid-state grinding reaction between Zn(CH3COO)2·2H2O and Na2CO3. Crystal structure......
Hydrothermal Synthesis of V-Cr-Al-O Nanospheres and Their Effect on Decomposition of Ammonium Perchlorate李雄建33. College of Chemistry and Chemical Engineering, Hubei Normal University摘 要:decomposition of AP was investigated by the thermogravimetric analysis and differential thermal analysis(TG/DTA......