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compound; it possesses higher Gibbs energy than the alloys in the 1: B-D range, and the reaction rate is very slow as well. 2) Under the experimental condition of one year of heat treatment......
, 2013, 2(5): 916-922. [82] KUMAR N S, CHANDRASEKARAN J, MARIAPPAN R, SETHURAMAN M, CHAVALI M. V2O5 nano-rods using low temperature chemical pyrophoric reaction technique: The effect of post annealing......
-AlOOH经NH3·H2O溶液解吸后,得到的钒溶液进行铵盐沉钒并最终得到V2O5.目前该原位吸附方法已在铬盐厂完成了产业化验证. 表5 CaO与钒酸根,铬酸根可能参与的化学反应及其产物的溶度积(25 ℃) Table 5 Chemical reaction of CaO with vanadate, chromate and Ksp of its products (25......
. The synthetization at high pressure and temperature by a solid state reaction of chromium and boron powders (Cr/B molar ratio= 1:4.5) resulted in formation of chromium borides CrB2 and CrB4 [32]. The obtained phases......
the detrimental effects of the presence of manganese in the solvent extraction and electrowinning processes of copper which are listed as follows: (1) decreasing the chemical reaction rate; (2......
to as the irregularities of the surface along a longitudinal direction of the road profile [43]. There are two main types of road roughness: dynamic and static [44]. Dynamic approaches evaluate the dynamic reaction......
蕴生等[121]采用CT技术研究了非贯通裂隙介质裂隙扩展演化过程.李廷春等[122]进行研究了试样内部双裂隙在单轴加载下的扩展和损伤演化规律如图4所示. 图3 加载全程的全局应变场演化图[118] Fig. 3 Evolution of global strain field under loading[118] 图4 试验结束后裂隙中心纵向CT 扫描... Wei, ZHU Yuan-lin. A real-in-time CT triaxial testing study of mesodamage evolution law of coal[J]. Chinese Journal of Rock Mechanics and Engineering, 1999, 18 (5): 497-502. [121] 陈蕴生, 李 宁, 韩......
and a laser resonator. Depending on the laser medium, lasers can be divided into gas, solid-state, chemical reaction, dye, free electron, excimer lasers, etc [93]. Since the first laser system......