hexavalent adj.【化學】有六價的。
adj. 【化學】有六價的。 “hexavalent actinide“ 中文翻譯： 六價錒系元素“hexavalent alcohol“ 中文翻譯： 六元醇“hexavalent chrome“ 中文翻譯： 六價鉻“hexavalent chromium“ 中文翻譯： 六價鉻“hexavaccine“ 中文翻譯： 六聯疫苗“hexatzine“ 中文翻譯： 六胺“hexatrygonidae“ 中文翻譯： 六鰓鰈科“hexatriene“ 中文翻譯： 己三烯“hexavalentsexivalentsexvalent“ 中文翻譯： 六價的“hexatriacontane“ 中文翻譯： 三十六碳烷; 三十六烷
hexenbesen |
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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，并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。 |
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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 并結合xrf 、 xrd等研究手段，對不同工藝條件下所得鍍層的成份、結構、品粒特征規律進行研究，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。 |
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In view of severe pollution to environment caused by hexavalent hard chromium plating process in electroplating industry and for realization of cleaner production benefiting ecological environment , broad surface finishing technicians have been actively searching for substitute processes for hard chromium plating , among them electrodeposition of alloy coatings is an ideal substitute in the future 摘要為了實現清潔生產，改善生態環境，針對電鍍行業中嚴重污染環境的六價硬鉻電鍍工藝，廣大電鍍工作者致力于代硬鉻工藝的開發，其中電沉積合金鍍層技術將是未來比較理想的代鉻工藝。 |
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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，膜和富集物溶于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。 |
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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，本文采用的三價鉻鍍鉻方法能電鍍出鍍層光滑、均勻、致密、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。 |
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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。 |
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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 摘要采用鉬酸鹽、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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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 ) 用于防腐或屏蔽電磁干擾，涂在特定儀器設備中（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涂層中的六價鉻。 |
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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 ) 金屬板防腐蝕涂層、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。 |
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Paints and varnishes - determination of “ soluble “ metal content - part 5 : determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form - diphenylcarbazide spectro 色漆和清漆“可溶性“金屬含量的測定第5部分:液體色漆的顏料部分或粉末狀色漆中六價鉻含量的測定二苯卡巴肼分光光度法 |
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Paints and varnishes ; determination of “ soluble “ metal content ; determination of hexavalent chromium content of the pigment portion of liquid paints or of paints in powder form ; identical with iso 3856 5 , edition 1984 涂料和清漆. “可溶性”金屬含量的測定.第5部分:液體涂 |
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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.空中漂浮顆粒物質中六價鉻的測定.使用二苯卡巴肼的離子色譜法和分光光度計測量法 |
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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 |
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Standard test method for the determination of hexavalent chromium in workplace air by ion chromatography and spectrophotometric measurement using 1 , 5 - diphenylcarbazide 用1 , 5 -二苯卡巴肼離子色譜法和分光光度測定法測定工作場所氣體中六價鉻的標準試驗方法 |
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Methods of test for paints - tests involving chemical examination of liquid paints and dried paint films - determination of hexavalent chromium content of solid matter 涂料試驗方法.第b集:液體涂料與干涂料膜化學檢驗.第10部分:固態六價鉻含量測定 |
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With certain exceptions , it now prohibits the sale of a packaging with a total concentration of lead , cadmium , mercury plus hexavalent chromium that exceeds 100 ppm 某些例外,禁止出售一種包裝,以總濃度鉛、鎘、汞六價鉻超過100分之多 |
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Paints and varnishes . determination of “ soluble “ metal content . determination of hexavalent chrome content in powder paint substances 涂料和清漆.可溶金屬含量的測定.粉末狀涂料中六價鉻含量的測定 |
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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 |
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Standard test method for collection and analysis of hexavalent chromium in ambient atmospheres 在周圍環境中,工作地點或室內環境中六價氯采集和分析的標準試驗方法 |