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. 2 Effects of initial pH on removal of Pb2+(a) and DDA(b) 电流密度是影响脉冲电催化内电解流化床效果的重要因素,图3所示为外加电场强度对铝及苯胺黑药去除的影响.由图3可知,在不同电流密度条件下,废水中污染物的残留浓度大致随着反应时间的延长而降低,随着外加电场电流密度的增加,废水中Pb2+及苯胺黑药的残留浓度逐渐减小,但随着处理时......
依次为:浅成相中酸性闪长杂岩(包括石英二长闪长岩和石英闪长岩)-浅成相花岗斑岩-超浅成相或次火山岩相酸性岩和酸性脉岩(长石石英斑岩,石英岩,石英斑岩脉和霏细岩脉等).矿田内超浅成侵入岩主要为霏细岩脉,具富钾特征,铝饱和指数ACKN平均值为1.44,大于1.1,在花岗岩成因系列w(Na2O)-w(K2O)图解(见图2)上,岩体投影点落入"S"型花岗岩范围内.岩体富集Au等成矿元素,与成矿关系密切......
选新的高效选别方法. 关键词:异极矿；成矿规律；可浮性；作用机理 文章编号:1004-0609(2018)-02-0406-10 中图分类号: 文献标志码:A 锌是一种重要的有色金属原材料,目前,锌在有色金属的消费中仅次于铜和铝.广泛应用于合金制造,电镀及建筑等领域,还可用作橡胶和油漆中的化学添... recovery of hemimorphite as function of pH with 3×10-4 mol/L sodium oleate (Replotted from LIU et al[31]) 图3 不同pH值下异极矿表面Zeta电位[31] Fig. 3 Zeta potential of hemimorphite as function of pH......
无机双液注浆材料,其具有快凝,早强,高渗透性等特征.研制的注浆材料成分简单,主要由A,B两种无机材料混合制成.无机材料A的主要成分是超细硫铝酸盐水泥,无机材料B的主要成分为硬石膏和生石灰,两种无机材料的辅助成分分别是一定比例的添加剂.试验前通过研制无机材料A,B的成分比例,混合制成试验所需的一定强度的注浆材料. 2) 注浆材料试件和水泥砂浆块试件制备:根据试验要求,选用正方体试件模具制作边长为10......
] SHANG C X, BOUOUDINA M, SONG Y, GUO Z X. Mechanical alloying and electronic simulations of (MgH2+M) systems (M=Al, Ti, Fe, Ni, Cu and Nb) for hydrogen storage[J]. In J Hydrogenenergy, 2004, 29(1): 73?80......
and current profiles and reducing power was considered by using differential evolution algorithm [9]. In Ref. [10], FARHOODNEAA et al applied a multi-based new heuristic optimization technique using......
) (In press). LI Xi-bing, Cao Zhi-wei, ZHOU Jian, et al. Innovation of mining models and construction of intelligent green mine in hard rock mine: In Kaiyang Phosphate Mine as an example[J......
methods to determine degradation and forecaste how long failure would take, has developed different processes to calculate the RUL. For example RAI et al [5] have investigated a variety of methods according......
several times by in situ sampling, laboratory sieving and manual picking, etc., the SWD under FESEM shows a surprising cementing ability to fines (see Figure 12 by TANG et al [28] for detailed......
longitudinal speed profile considering vehicle dynamics. In Ref. [31], valid speed regions were determined using vehicle dynamics based on a transformation method introduced by BOBROW et al [33], in which......
