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换热系数,W/(m2·℃)；对流换热系数与冷却水速v,冷却水热物性参数,管道截面形状等有关,由于管内温度分布不均匀,进水温度tin低于出水温度tout,取进出水温度的算术平均值作为定性温度,确定冷却水热物性参数；冷却水道截面为半圆与矩形组成的复合型水道,属于非圆形截面管道,取管道的当量直径de作为定型尺寸.由管内强制对流给热方程计算,即 ... simulation of copper-steel composite stave[D]. Beijing: Beijing Jiaotong University, 2009. [17] 王碧文, 王 涛, 王祝堂. 铜合金及其加工技术[M]. 北京: 化学工业出版社, 2006. WANG Bi-wen, WANG Tao, WANG Zhu-tang. Copper alloy......
, ZHENG Shao-hua. Analysis of drying mechanism on the tape casting laminar green tape of Mo-(Fe-B)-Fe mixed alloy powders[J]. Journal of Ceramics, 2002, 23(4): 211-216. [53] Salam L A, Matthews R D......
析,可以获得临近合金成分的相平衡关系.扩散偶法对每一个扩散偶的表征分析可以获得扩散偶成分范围内的相平衡关系.区别于平衡合金法和扩散偶法需要制备多个试样的特点,扩散多元节方法可以在一个试样上实现比前两者更大成分范围内的相平衡关系,是一种高通量的合金制备和相图测定方法. 1.1 平衡合金法(Equilibrated alloy) 平衡合金法是一种传统的并被广泛采用的相图测定方法.合金法的一... M, TIN S. Nickel-based superalloys for advanced turbine engines: Chemistry, microstructure and properties[J]. Journal of Propulsion and Power, 2006, 22(2): 361-374. [5] BLAVETTE D, CARON P, KHAN T......
, surface morphology and magnetic properties of cobalt-phosphorus alloy films. LI et al [15] reported that 2,2’-dipridyl was used as additive in electroless copper bath. The color of deposit changes from... during plating in acid tin methanesulfonate electrolytes [J]. Electrochimica Acta, 2004, 49: 4303-4311. [31] BARRERA E, P, BATINA N, I. Formation mechanisms of black and white cobalt......
are given in Table 3. The data obtained show that NH4OH and dilute H2SO4 can be considered as good stripping agents for V(V) and Cr(III), respectively, as they could lead to good recovery and separation... of zinc and chromium(III) and its application to treatment of alloy electroplating wastewater [J]. Separation Science and Technology, 2003, 38: 405-425. [29] KWAJA A R, SINGH R, TANDON S N. Mono......
adsorption on the steel. This is proven from the corrosion rate values. The observation can also be attributed to the deposition of TTD cations on the alloy in the form of white precipitates as a result... of lead and cadmium ions from aqueous solutions by tripolyphosphate-impregnated Kaolinite clay [J]. Colloids and Surface A: Physisochemical Engineering Aspects, 2007, 292: 202–211. [39] HOSSEINI M G......
help in magnetic measurements. References [1] MASSALSKI T B. Binary alloy phase diagrams [M]. 2nd ed. Materials Park, OH: ASM International, 1990. [2] IVANOVSKY A L, MEDVEDEVA N I, MEDVEDEVA J E......
. A highly sensitive and stable electrochemical sensor for simultaneous detection towards ascorbic acid, dopamine, and uric acid based on the hierarchical nanoporous PtTi alloy [J]. Biosensors......
pyrometallurgical process in typical lead smelter. However, there is no detailed and complicated study on the characterization of ABLFS, which is an essential basis of proposing the most appropriate... and leaching behaviors of ABLFS are clear. The lacking of basic knowledge on ABLFS can necessarily lead to difficulties in its treatment and disposal. The objective of this work is to determine......
R, TAMURA K, YASUDA T, KOINUMA H. Band gap engineering based onMgxZn1-xOandCdyZn1-yOternary alloy films [J]. Applied Physics Letters, 2001, 78: 1237-1239. [9] GHOSH M, RAYCHAUDHURI A K. Structure......
