hexavalent chromium 中文意思是什麼

hexavalent chromium 解釋
六價鉻
  1. Study on formation and prevention of hexavalent chromium in leather

    的產生原因及預防研究
  2. Disposal of hexavalent chromium containing effluent by activated carbon

    活性炭吸附法處理含鉻電鍍廢水探討
  3. Separation and determination methods for hexavalent chromium in working places

    並採用放射免疫方法檢測大鼠體溫調節中樞神經降壓素
  4. Standard test method for dissolved hexavalent chromium in water by ion chromatography

    用離子色譜法測定水中可溶六價鉻的標準試驗方法
  5. Pigments and extenders - determination of matter soluble in water - hexavalent chromium content

    顏料和填充劑.水中溶解物質的測定.六價鉻含量
  6. Standard specification for non - hexavalent chromium conversion coatings on aluminum and aluminum alloys

    鋁和鋁合金上覆蓋的非六價鉻層的標準規范
  7. Determination of hexavalent chromium in corrosion protection coatings - part 1 : qualitative analysis

    腐蝕保護層中六價鉻的測定.第1部分:定性分析
  8. Standard practice for detection of hexavalent chromium on zinc and zinc aluminum alloy coated steel

    鋅及鋅鋁合金塗覆鋼上六價鉻檢測的標準實施規程
  9. Hexavalent chromium as an anti - corrosion of the carbon steel cooling system in absorption refrigerators

    在吸收式電冰箱中作為碳鋼冷卻系統防腐劑的六價鉻。
  10. Lead as soldering alloy in high performance communication electronic board and hexavalent chromium ( cr - vi ) )

    用於高功率通訊電子板及六價鉻中作為焊錫合金的鉛。
  11. Workplace air - determination of hexavalent chromium in airborne particulate matter - method by ion chromatography and spectrophotometric measurement using diphenyl carbazide

    工作場所空氣.氣載顆粒物質中六價鉻的測定.用二苯基卡巴胼的離子色譜法和光譜測定法
  12. Seen from the experiment result, it is clear that the deposited coating obtained with the trivalent chromium electrodepositing method we use is smooth, homogeneous, dense, and has good unti - erosive ability, high stiffness. the color ol ihe deposited coaling ol irivalent chromium is similar with that of hexavalent chromium. further more, this process has a good ability of homogeneous and deep depositing with simple facility, high current efficiency, and wide working current flow and even more it avoids environmental pollution

    實驗結果表明，本文採用的三價鉻鍍鉻方法能電鍍出鍍層光滑、均勻、緻密、抗蝕性好、硬度高的鍍層，而且解決了鍍層顏色的問題，使三價鉻鍍層不僅具有現行六價鉻鍍層的天藍色光澤，同時還具有電流效率高、均鍍能力與深鍍能力好、工作電流密度寬、設備簡單、無環境污染等特點。
  13. For the purpose of industrial manufacture, the practical and comprehensive system of evaluation criterion was made for the chromium electrodeposited coating ' s physical and chemical properties. besides, through parallel analysis, the indexes of trivalent chromium and hexavalent chromium electrodeposited coating were contrasted

    本文還從工業生產角度山發，對鍍鉻層理化特性提出了較為全面而實用的評價指標體系，並對三價鉻鍍鉻層與標準六價鉻鍍鉻層的各項性能指標進行了對比分析。
  14. Hexavalent chromium in corrosion preventive coatings of unpainted metal sheetings and fasteners used for corrosion protection and electromagnetic interference shielding in equipment falling under category three of directive 2002 / 96 / ec ( it and telecommunications equipment )

    用於防腐或屏蔽電磁干擾，塗在特定儀器設備中（歐盟指令2002 / 96 / ec條款3規定為it和電信設備）的金屬片或金屬扣件上防腐塗層中的六價鉻。
  15. Pit remediation & slop oil, industrial water, cutting & cooling oils, hexavalent chromium, acid & alkali with heavy metal content, steel mill & electro filter dust, spent catalysts, tempering salts, solvents recovery and recycling, sludge treatment and minimization, fuel - blending, thermal desorption and transfer centres

    廢漿池和廢油、工業污水、巖屑和冷卻油、六價鉻、含重金屬成分的酸堿、鋼廠和電過濾器粉塵、反應過后的催化劑、淬火鹽、溶劑還原和回收、油泥處理和最小化、燃料混合、熱吸附和轉運中心。
  16. The proposed method has been applied to the analysis of water samples from several sources, the recoveries of the hexavalent chromium added to the samples are quantitative, and results found are satisfactory. based on oxidation of iodide to iodate and collection of ion - associate produced by tri - iodide with cation surfactant ctmab, and a subsequent spectrophotometric method is described for sensitive and selective determination of the resulting solution owing to dissolving the membrane and analyte in an organic solvent

    在ph1 . 5的條件下，溴定量氧化碘離子最終生成的碘三離子，再與ctmab完全反應生成的離子締合物可以被膜富集，膜和富集物溶於小體積的有機溶劑后，加入0 . 1ml3mol l的硫酸抑制滯留在膜上的碘離子在有機溶劑中被空氣中的氧氣氧化而造成吸光度不穩定。
  17. With the combination of xrf and xrd, we studied the rule of component, structure, crystal grain feature of chromium deposited coating. the law of trivalent chromium electrodepositing were extracted and contrasted with that of hexavalent chromium, laying a foundation stone for the deeper research on the process of trivalent chromium electrodeposition and it ' s industrialization

    並結合xrf 、 xrd等研究手段，對不同工藝條件下所得鍍層的成份、結構、品粒特徵規律進行研究，提出了三價鉻鍍鉻的電鍍機理，為深入研究三價鉻鍍鉻工藝及工業化應用奠定了基礎。
  18. Time - order effects of vitamin c on hexavalent chromium - induced dna - protein crosslinks in rat peripheral blood lymphocytes

    姜黃素對順鉑所致大鼠腎毒性的防護作用
  19. Hexavalent chromium in corrosive preventive coatings of unpainted metal sheetings and fasteners used for corrosion protection and electromagnetic interference shielding in equipment falling under category three of directive 2002 / 96 / ec ( it and telecommunications equipment )

    金屬板防腐蝕塗層、防腐蝕牢固劑及第2002 / 96 / ec號指令中第三類設備的電磁干擾屏障所含的六價鉻。
  20. In order to develop an environment - friendly method to form a chemical conversion film on aluminium surface without the toxic hexavalent chromium compounds, a process with sodium molybdate and potassium permanganate as the oxidants in the treating solution has been investigated

    摘要採用鉬酸鹽、高錳酸鹽作為成膜氧化劑，研究了鋁合金化學轉化膜的處理溶液，優化了溶液配方與工藝參數，在鋁合金表面制備出有良好耐蝕性的轉化膜。
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