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Effects of CeO2 on structure and properties of Ni-Mn-K/bauxite catalysts for water-gas shift reactio
Multiple-metal catalysts (Ni-Mn-Ce-K/bauxite) for Water-Gas Shift (WGS) reaction were prepared by impregnation, and the ......
通过桐柏老湾金矿上上河矿区＂打滑＂地层的施工,介绍了试验性生产及室内金刚石钻头的优化选择试验,总结了钻进＂打滑＂地层所遇到的问题以......
针对山东莱州纱岭、前陈,招远水旺庄等典型的深孔硬岩强研磨性地层情况,对孕镶金刚石钻头在原料、配方、模具以及各项生产工艺等方......
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Malaria is considered as one of the main health problem in the Republic of Yemen. In February 2006 National Malaria Cont......
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Effects of CeO2 on structure and properties of Ni-Mn-K/bauxite catalysts for water-gas shift reactio
为水气体移动(WGS ) 反应的多重金属的催化剂(Ni-Mn-Ce-K/bauxite ) 被受精准备，并且催化结构和性质被 N2 调查物理， XRD， H2-TPR，和 C......
将仿生学的非光滑原理应用到孕镶金刚石钻头的设计中，研制出新型的仿生孕镶金刚石钻头，比普通金刚石钻头钻进时效提高了30％～80％。仿生钻......
采用磁控溅射方法在金刚石表面镀覆一层金属Ｔｉ，经热压成形制成金刚石磨块，利用扫描电子显微镜对金刚石磨块中金刚石与胎体的界面成份进......
研究了活性炭种类、浸渍剂种类及浓度、添加剂种类及浓度、反应温度六种因素对改性活性炭脱硫效果的影响，结果表明活性炭和浸渍剂种......
研究了水溶液中粉煤灰（ＦＡ）和浸渍粉煤灰（ＩＦＡ）吸附有害的邻甲酚，试验了颗粒大小、浸渍条件、ｐＨ值和温度等因素对吸附量的影响。结果表明，在稀溶液......
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利用丁酸络合浸渍法在致密YSZ／多孔YSZ复合体中制备Ni—YSZ阳极。采用SEM、压汞法、阿基米德排水法、XRD、电子天平增重、电化学工......
Central venous catheters are commonly used in critically ill patients.Such catheterization may entail mechanical and inf......
将锆（Ⅳ）负载在通过氢氧化钠（Na OH）水解的粒状废弃皮革上制备出新型氟离子（F^-）吸附剂。采用扫描电子显微镜（SEM）、X射线能量色散光谱分析......
木材是工业和生活中必不可少的天然材料，我国一直是木材及其制品的生产和消费大国。近年来，由于天然林保护工程的实施，木材缺口进一步......
A membrane process for metal recovery from aqueous solutions was studied. Metal ions diffused from the feed compartment ......
Recently impregnated diamond bits have been widely applied in drilling hard and me-dium-hard formations in the world.It ......
实验选用两种铁盐，采用催化剂预分散在原料油中以及预担载在原料煤上两种催化剂制备方法，并将制备的催化剂应用于煤油共处理反应体系......
A general mathematical model with its governing equations in dimensionless forms has beendeveloped to describe the remov......
Study of the efficacy of a Wheaton coated bottle with permethrin and deltamethrin in laboratory cond
Objective:To determine the efficacy of WHO impregnated paper and CDC coated bottle based on number of storage days and n......
