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摘要: The article based on the solid phase techniques,researched for the affection of additives in Cr 2O 3 production,especially to the remains of Cr(Ⅵ) and the surface property .关键词:solid phase techniques additives Cr2O3 年份: 2004 ...
(7) (2) (2) 都是什么意思?1氢 H 1.007 94(7)2氦 He 4.002 602(2)3锂 Li 6.941(2)4铍 Be 9.012 182(3)5硼 B 10.811(7)6碳 C 12.017(8)7氮 N 14.006 7(2)8氧 O 15.999 4(3)9氟 F 18.998 403 2(5)10 氖 Ne 20.179 7(6)11 钠 Na 22.989 ...
摘要: The obtained impedance plot is presented in Fig 3b.Nyquist plot from Fig. 3b can be interpretedusing the equivalent circuit shown in Fig. 5. [3] M. Mischler, "Triboelectrochemical techniques andinterpretation methods in tribocorrosion: A comparative evaluation"....
The reaction is first order each in sulfoxide, oxalic acid, Cr(VI), and H. The products of oxidation are sulfones and carbon dioxide. Electron-releasing groups in the phenyl ring accelerate the rate while electron-withdrawing groups retard it. The Hammett correlation yields a reaction constant ...
NB-IoT系统在In band 操作模式下,时以下哪种情况下允许 LTE CRS 作为额外的参考信号用于物理下行数据信道解调? A. LTE 与 NB-IoT 具有相同的 PCI 和不同的天线端口 B. LTE 与 NB-IoT 具有不同的 PCI 和不同的天线端口 C. LTE 与 NB-IoT 具有相同的 PCI 和相同的天线端口 D. LTE 与 NB-IoT ...
为深化体教融合,持续推动石景山区青少年足球运动健康发展,北京市石景山区体育局、区教委于7月3日-15日联合举办2024年石景山区中小学生足球联赛,旨在为全区中小学生搭建良好的足球竞技交流平台,以赛促学、以赛促训,培育选拔优秀足球运动后备人才。本次比赛设小学男子甲组、小学男子乙组、小学女子组、初中男子组、高中男子...
This complex displayed a broad metal-to-ligand charge transfer band at ~457nm in aqueous solution. Ru(II) complex undergo relatively reversible one-electron oxidation and reduction involving the Ru(II)/Ru(III), according to cyclic voltammetry investigations. In an aqueous solution, the complex ...
FE-CR-AL FERRITIC STAINLESS STEEL EXCELLENT IN HIGH TEMPERATURE OXIDATION RESISTANCE AND HIGH TEMPERATURE DEFORMATION RESISTANCEPROBLEM TO BE SOLVED: To obtain a heat resistant stainless steel small in high temp. deformation and excellent in high temp. oxidation resistance in an environment of repeated...