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Vertical distribution of rare earth elements in a wetland soil core from the Sanjiang Plain in China程红光,郝芳华,欧阳威,刘少卿,林春野,杨文静State Key Joint Laboratory of Environmental Simulationand Pollution Control...) in a natural wetland soil core to understand the influence of natural and anthropogenic activities on geochemical behavior of REEs. A natural wetland soil core of 95 cm was collected from the Sanjiang......
An in Vitro Investigation of Acid Etching Treatment Prior to Post and Core Cementation and Teeth Fracture Resistance马晓妮1,2,GAO Xueping3,SUN Baiyu1,2,HOU Xiujuan4,高旭1,2,徐欣1,21. School of Stomatology...="ChDivSummary" name="ChDivSummary">In order to investigate how to enhance the teeth fracture resistance after the post and core treatment, an in vitro study was conducted to measure the fracture......
Vertical distribution of rare earth elements in a wetland soil core from the Sanjiang Plain in China程红光,郝芳华,欧阳威,刘少卿,林春野,杨文静State Key Joint Laboratory of Environmental Simulationand Pollution Control...) in a natural wetland soil core to understand the influence of natural and anthropogenic activities on geochemical behavior of REEs. A natural wetland soil core of 95 cm was collected from the Sanjiang......
Fabrication of Open-cell Al Foam Core Sandwich by Vibration Aided Liquid Phase Bonding Method and Its Mechanical PropertiesHui Wang 1) ,Donghui Yang 2) ,Siyuan He 3) and Deping He 1) 1) Jiangsu Key... Al foam core sandwiches(AFCSs) were successfully fabricated by using a specially designed Zn-Al-Cu based filler alloy via vibration aided liquid phase bonding method.The effects of the vibration......
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:LiFePO4;复合材料;碳芯结构;电化学性能 中图分类号:TM912 文献标志码:A Preparation and electrochemical properties of branched LiFePO4/C composite with carbon core structure CHEN Han, GONG Wen-qiang, LIU You-liang, LIU Jian-hua (College of Metallurgy Engineering, Hunan University of Technology, Zhuzhou 412000, China) Abstract: Branched LiFePO4/C composites with carbon core structure were......
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Controlled Synthesis of Core-Shell Nickel Microspheres with Solid Core and Porous Shell by Precipitation and Thermal Decomposition Method李涛1,2,MA Guohua3,CHEN Jian4,GONG Yong41. School of Mechanical... with core-shell structure of solid core and radiate shell were synthesized by precipitation method in a mixed water solution, with oxalic acid and nickel acetate as raw materials, through dropping......
two core sediments (C1 and C2) of Xiangjiang River, Chang-Zhu-Tan region, Hunan Province, China. The heavy metal contents are relatively higher, especially for the surface or near the surface layers. The calculated anthropogenic factor values indicate that all the heavy metals except for Cr in the core samples are enriched, especially for Cd, with the maximum enriching coefficients of 119.44......
Fabrication of niobium doped Pb(Zr,Ti)O3 fibers by viscous polymer processing XU Ling-fang(徐玲芳)1, CHEN Wen(陈 文)1, 2, ZHOU Jing(周 静)1, 2, LI Jun(李 君)1, T. W. Button3, ZHANG Dou(张 斗)3...; accepted 25 April 2006 Abstract: A technique based on viscous polymer processing (VPP) was described, which can produce high ceramic content green fibers. PZT-5 ceramic powders were ball milled......