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Comparative study of 2mol% Li- and Mn-substituted lead-free potassium sodium niobate ceramicsDipti3,44. School of Physics & Material Sciences, Thapar University摘 要:The effect of Li and Mn substitution on the dielectric, ferroelectric and piezoelectric properties of lead free K0.5Na0.5Nb O3(KNN) was investigated. Samples were prepared using......
:TF841.3 文献标志码:A 文章编号:1672-7207(2019)01-0015-08 Research of phase transformation of potassium in roasting process... Key State Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China) Abstract: In view of the problem of low utilization of potassium......
of copper nanoparticles by chemical reduction using potassium borohydride ZHANG Qiu-li1, 2, YANG Zhi-mao1, DING Bing-jun1 (1. School of Science, Xi’an Jiaotong University, Xi’an 710049, China; 2. School... potassium borohydride as reducing agent. The effects of reactant ratio, concentration of CuSO4, reaction temperature, dispersant on the size of product and conversion rate were studied. The morphology......
. The thickness of oxide layer increases with increasing coating voltage. The oxide layer formed on AZ91 Mg alloy in electrolyte with potassium permanganate consists of MgO and Mn2O3. Corrosion... of manganese oxide in the oxide layer on AZ91 Mg alloy coated from electrolyte containing KMnO4. Key words: magnesium alloy; plasma electrolytic oxidation; corrosion; nanohardness; potassium permanganate......
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Preparation and characterization of bis(dimolybdo- nonatungstogermanate) lanthanates of potassiumWU QingyinDepartment of Chemistry, Zhejiang University, Hangzhou 310027, China摘 要:<正> The heteropoly complexes K12[Ln(GeW9Mo2O39)2] · nH2O (Ln = La, Ce, ......
Yu-yan, QIAN Qing-hua, LIU Chang, ZHOU Xue-feng, FENG Xin, LU Xiao-hua (College of Chemistry and Chemical Engineering, Nanjing University of Technology, Nanjing 210009, China) Abstract: The potassium... size and large specific surface area, and the quantum yield illuminated under 254 nm laser source is 6.9%. Key words: potassium hexatitanate film; photocatalysis; photoelectrochemical property ......
136.1 文献标识码:A Separation of aluminum and silicon in clean production process for potassium dichromate WANG Shao-na1, 2, ZHENG Shi-li 1, ZHANG Yi1 (1. Institute... in the clean production process for potassium dichromate was studied. The thermodynamic calculation results indicate that there is no produce of poisonous CaCrO4 when CaO is added into solution. When......
Existing state of potassium chloride in agglomerated sintering dust and its water leaching kinetics PENG Cui, GUO Zhan-cheng, ZHANG Fu-li State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China Received 16 September 2010; accepted 19 January 2011 Abstract: In order to examine the leaching rate of potassium chloride from the sintering......
Trans. Nonferrous Met. Soc. China 23(2013) 3770-3779 Water leaching kinetics and recovery of potassium salt from sintering dust Guang ZHAN, Zhan-cheng GUO State Key Laboratory of Advanced Metallurgy...-AES, SEM-EDS and XRD to examine the strengthening measures of leaching potassium salt from the sintering dust by water. The results showed that the main component of the sintering dust was iron......
