HIGH-PURITY

作品数：124被引量：275H指数：8
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Preparation of high-purity fluorite and nanoscale calcium carbonate from low-grade fluorite
《International Journal of Minerals,Metallurgy and Materials》2024年第6期1198-1207,共10页Qianqian Lu Haisheng Han Wenjuan Sun Xingfei Zhang Weiwei Wang Bilan Zhang Wensheng Chen Qin Zou 
supported by the National Key Research Center and Development Program of the 14th Five-Year Plan,China(No.2022YFC2905105);National Natural Science Foundation of China(Nos.52122406 and 52004337);Hunan High-tech Industry Technology Innovation Leading Plan,China(No.2022GK4056);Hunan Innovative Province Construction Special Project,China(No.2020RC3001);Hunan Postgraduate Research and Innovation Project,China(No.CX20220200).
Flotation separation of calcite from fluorite is a challenge on low-grade fluorite flotation that limits the recovery and purity of fluorite concentrate.A new acid leaching–flotation process for fluorite is proposed ...
关键词：FLUORITE CALCITE nanoscale calcium carbonate waste recovery 
Fabrication and evaluation of high-performance 3D interpenetrated network structures SiC/Al composites with high-purity plate-like a-SiC framework
《Journal of Materiomics》2024年第2期499-510,共12页Jiawei Xie Jinhui Zou Liangcheng Tong Syieluing Wong Xin Guo Hang Qin Pengzhao Gao Wenming Guo Hanning Xiao 
support from the National Natural Science Foundation of China(52202060);the Fundamental Research Funds for the Central Universities of Hunan University(531118010545);the Natural Science Foundation of Hunan Province(2021JJ40174,2021JJ40088,2022JJ30133),and Chinese Academy of Sciences Technical Institute of Physics and Chemistry provided b-SiC powder.
To reinforce compatibility with the thermophysical and mechanical properties of SiC/Al composites for electronic packaging to improve the stability and reduce fatigue failure of electronic integrated devices,a novel 3...
关键词：α-SiC seed Phase transformation Thermophysical properties SiC_(3D)/Al composites Electronic packaging 
Effect of cerium on microstructure,texture and properties of ultrahigh-purity copper被引量：1
《Journal of Rare Earths》2024年第1期220-227,I0008,共9页Yunxiao Hua Haitao Liu Kexing Song Jiangwei Wang Yin'gang Guo Jing Tian Huiwen Guo 
Project supported by the Henan Province Science and Technology Tackling Key Problems Project(222102230001);the Henan Province Young Talent Lifting Engineering Project(2021HYTP018);the Central Plain Scholar Workstation Project(224400510025);the National Natural Science Foundation of China(52071133,51904090 and 52071284)。
The effects of Ce addition(310 ppm and 1500 ppm)on the microstructure,texture and properties of ultrahigh-purity copper(99.99999%)were systematically studied using scanning electron microscopy(SEM),transmission electr...
关键词：Ce addition Grain refinement TEXTURE Conductivity Ultrahigh-purity copper Rare earths 
Minimizing pest aluminum in magnesium for the production of high-purity titanium
《Journal of Magnesium and Alloys》2023年第11期4189-4196,共8页Bo Yang Rui Zheng Ge Wu Zhi-Min Chang Zhi-Wei Shan 
the support from the National Natural Science Foundation of China (No.52031011);funding from the Science and Technology Departments of Shaanxi and Xi’an,China (Nos.2021GXLH-Z-015,2016KTZDGY-04-04 and 201805064ZD15CG48)。
It is practically difficult to find titanium sponges with low and stable aluminum impurities on the market even though it is the precondition to prepare high-purity titanium. Analysis indicates that almost all the alu...
关键词：High-purity titanium Titanium sponge MAGNESIUM Aluminum impurity Silicothermic reduction 
Role of grain boundary character on Bi segregation-induced embrittlement in ultrahigh-purity copper被引量：1
《Journal of Materials Science & Technology》2023年第28期52-61,共10页Y.X.Hua K.X.Song H.T.Liu J.W.Wang C.M.Zhang Y.J.Zhou B.Pang J.T.Song J.L.He H.L.Zhao 
the National Natu-ral Science Foundation of China(Nos.52071133,51904090 and 52071284);the Henan Province Science and Technology Tackling Key Problems Project(No.222102230001);the Henan Province Young Talent Lifting Engineering Project(No.2021HYTP018);the Central Plain Scholar Workstation Project(No.224400510025);the Key R&D projects of Henan Province(No.221111230600).
Bismuth(Bi),as an impurity element in copper and copper-based alloys,usually has a strong tendency of grain boundary(GB)segregation,which depends on the GB characters.However,the influence of such a segregation on the...
关键词：Grain boundary character EMBRITTLEMENT Bi segregation Atomic configuration Ultrahigh-purity copper 
Impurities analysis of high-purity osmium target for M-cathode application
《Rare Metals》2023年第4期1154-1159,共6页Jun-Da Ma Yang Xia Yuan-Feng Xie Chao Zhang 
financially supported by the Key R&D Program of Ministry of Science and Technology(No.2017YFB0305400)。
Impurities and their distributions in osmium targets for M-type cathodes affect the coating quality on porous tungsten and cathode emission performance.Glow discharge mass spectrometry(GDMS)and X-ray photoelectron spe...
关键词：OSMIUM IMPURITIES PURITY 
High-purity Mg and Mg-1Ca alloys:Comparative assessment of the merits regarding degradation,osteogenesis,and biosafety for orthopedic applications被引量：1
《Journal of Materials Science & Technology》2023年第9期58-66,共9页Baiyan Sui Hua Lu Xin Liu Jiao Sun 
the Science and Technology Commission of Shanghai Municipality(18DZ2201500,19DZ2203900);Innovative Research Team of High-level Local Universities in Shanghai(SHSMU-ZLCX20212400);Research Disci-pline Fund(KQXJXK2021)from Ninth People’s Hospital,Shanghai Jiao Tong University School of Medicine,and College of Stomatology,Shanghai Jiao Tong University.
High-purity magnesium(HP Mg)and Mg-1Ca,as representations of Mg-matrix implants produced by purifying and alloying,are employed in biomedical applications primarily because of their bioactivity and degradability.The s...
关键词：High-purity magnesium Mg-1Ca Microstructure Degradation in vitro and vivo BIOSAFETY 
Use of various MgO resources for high-purity Mg metal production through molten salt electrolysis and vacuum distillation被引量：1
《Journal of Magnesium and Alloys》2023年第2期562-579,共18页Hyeong-Jun Jeoung Tae-Hyuk Lee Youngjae Kim Jin-Young Lee Young Min Kim Toru HOkabe Kyung-Woo Yi Jungshin Kang 
supported by the Korea Evaluation Institute of Industrial Technology funded by the Korean Ministry of Industry in Korea (Project No.:20000970, 20–9805);Basic Research Project (22–3803) of the Korea Institute of Geoscience and Mineral Resources (KIGAM) funded by the Ministry of Science and ICT of Korea。
A green and effective electrolytic process was developed to produce high-purity Mg metal using primary and secondary resources containing Mg O as a feedstock. The electrolysis of various Mg O resources was conducted u...
关键词：High-purity magnesium Magnesium oxide resources Electrolytic process Metal cathode Vacuum distillation 
High-yield and low-cost separation of high-purity semiconducting single-walled carbon nanotubes with closed-loop recycling of raw materials and solvents被引量：1
《Nano Research》2021年第11期4281-4287,共7页Fang Liu Xingxing Chen Haoming Liu Jie Zhao Meiqi Xi Hongshan Xiao Tongkang Lu Yu Cao Yan Li Lianmao Peng Xuelei Liang 
This work was supported by the National Key Research and Development Program(No.2016YFA0201902);the National Natural Science Foundation of China(No.51991341);Young Talents Program of Beijing(No.2018000020028G349);the Open Research Fund of Key Laboratory of Space Utilization,Chinese Academy of Sciences(No.LSU-KFJJ-2020-06).
Semiconducting single-walled carbon nanotubes (s-SWCNTs) are the foundation of CNT-based electronics and optoelectronics. For practical applications, s-SWCNTs should be produced with high purity, high structural quali...
关键词：carbon nanotubes closed-loop recycling high-yield LOW-COST high purity 
Flexible synthesis of high-purity plasmonic assemblies被引量：2
《Nano Research》2021年第3期635-645,共11页Laurent Lermusiaux Anum Nisar Alison M.Funston 
This work was supported by the Australian Research Council(ARC)Grants for the ARC Centre of Excellence in Exciton Science,CE170100026 and DP140103011.
The self-assembly of nanoparticles has attracted a vast amount of attention due to the ability of the nanostructure to control light at the sub-wavelength scale,along with consequent strong electromagnetic field enhan...
关键词：deoxyribonucleic acid(DNA)self-assembly electrophoretic purification nanoparticle assemblies colloidal stability 
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