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-brass and lead-brass are listed in Table 4. As it is known from the corrosion theory of metals, the anti-corrosion ability of the alloy is the best, while its corrosion rate is less than 0.02mm/a... Article ID: 1003-6326(2005)06-1242-06 Microstructure and properties of cutting magnesium-brass containing no lead HUANG Jin-song(黄劲松)1, PENG Chao-qun(彭超群)1, ZHANG Si-qi(章四琪)2, HUANG Bai......
分析,结果如图1所示,可以看出粒径在15 μm以下的占大多数,因此,用筛子淘洗过筛后,用于后续动力学实验测试.通过化学分析的方法测定其各组分含量见表1,并对其进行XRD和扫描电镜分析,结果如图2和图3所示. 图1 铅膏粒径分布率 Fig. 1 Size distribution rate of lead paste 表1 废铅膏化学成分 Table 1... process is established. Key words: lead paste; carbonate transformation; desulfurization rate; XRD characterization; reaction kinetics Foundation item: Project(2014-36) supported by the Key Industries......
ton ore (VOVPTO) on the lead distribution rate and the equilibrium compositions of crude lead, slag and gas were studied. The results show that, for the lead sulfide with a certain amount and a certain composition, the sulfur content in the crude lead can be reduced to be less than 0.1% with the rise of T and VOVPTO, but the lead content in the slag exceeds 60% and the lead distribution rate......
Solution of rectangular bar forging with bulging of sides by strain rate vector inner-product WANG Lei1, JIN Wen-zhong2, ZHAO De-wen3, LIU Xiang-hua3 1. School of Materials Science... of a rectangular bar with flat tools. The effective strain rate for rectangular bar forging with bulging was expressed in terms of four-dimensional strain rate vector. The inner-product of the vector......
Enhanced orange emission by doping CeB6 in CaAlSiN3:Ce3+ phosphor for application in white LEDsWenjie Wu1,2,Kefu Chao1,2,Wenquan Liu1,2,Lesi Wei1,2,Dahai Hu1,2,Taiyang Wang3,O. Tegus1,21. College... emission intensity at around 550 nm for the content x of 0.01(being in comparable situation, CASN:Ce3+@CeO2 is x = 0.04) when excited at460 nm. Compared with CASN:Ce3+@CeO2, the red emission component......
Enhanced orange emission by doping CeB6 in CaAlSiN3:Ce3+ phosphor for application in white LEDsWenjie Wu1,2,Kefu Chao1,2,Wenquan Liu1,2,Lesi Wei1,2,Dahai Hu1,2,Taiyang Wang3,O. Tegus1,21. College... emission intensity at around 550 nm for the content x of 0.01(being in comparable situation, CASN:Ce3+@CeO2 is x = 0.04) when excited at460 nm. Compared with CASN:Ce3+@CeO2, the red emission component......
Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, China) Abstract: The sweeping test of EGR(exhaust gas recirculation) rate was conducted in a single cylinder engine to research the effects of residual gas fraction(RGF) on engine performance and emission. In order to reduce the cost of RGF measurement and simplify mathematical model, a method......
and NF emission analysis 4.1 Slew rate of I/O buffer Practically, an output signal at an I/O pin can be approximated by a trapezoidal wave with finite rising and falling times as shown in Figure 4.... From 100 MHz to 1 GHz, the spectrum envelop of the fast slew rate design is higher than the one of the slow slew rate design. The maximum emission level is 91.36 dB·μV at 224 MHz for the fast slew......
in the supercooled liquid region. Then, the time-temperature-transformation diagram under different heating rates indicates that increasing the heating rate can lead to an increase of the incubation time...Effects of Heating Rate on the Process Parameters of Superplastic Forming for Zr55Cu30Al10Ni5杨璠,SHI Tielin,廖广兰State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong......