鈉還原 的英文怎麼說

中文拼音 [nàháiyuán]
鈉還原 英文
sodium reduction
  • 鈉 : 名詞[化學] （金屬元素） sodium （na）
  • 還 : 還副詞1 （表示現象繼續存在或動作繼續進行; 仍舊） still; yet 2 （表示在某種程度之上有所增加） even...
  • 原 : Ⅰ形容詞1 （最初的; 原來的） primary; original; former 2 （沒有加工的） unprocessed; raw Ⅱ動詞（原...
  • 還原 : 1 （恢復原狀） return to the original condition or shape; restore2 [化學] （還原作用） reduction;...
  1. Methods for chemical analysis of iron, steel and alloy. the hypophosphite reduction - iodimetric method for the determination of arsenic content

    鋼鐵及合金化學分析方法次磷酸鈉還原-碘量法測定砷量
  2. An electroless nickel process with sodium hypophosphite as reducing agents in alkaline bath, which is applied on polyurethane foam substrate, was studied in detail in this paper

    本文採用聚氨酯海綿為基體材料，以次磷酸鈉為還原劑，在堿性化學鍍鎳溶液中對低磷化學鍍鎳磷合金工藝進行了詳細的研究。
  3. A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid

    利用六偏磷酸鈉作為穩定劑，通過控制反應物的濃度及比例，制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒，光譜測試結果表明，顆粒具有明顯的量子尺寸效應，適當過量的cd ~ （ 2 + ）離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能；採用檸檬酸鈉還原氯金酸，制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒；採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。
  4. The results of lauryl sodium sulfate - polyacrylamide gel electrophoreses ( sds - page ) of the aggregate precipitate and supernatant and the result of high - performance size - exclusion chromatography of the supernatant indicated that, by wrongly linked intermolecular disulfide bonds soluble bi - molecular and tri - molecular egg white lysozyme aggregate could be simultaneously formed except being renatured to native and active egg white lysozymes during the refolding procedure of denatured - reduced egg white lysozyme ; the aggregate precipitate could be further formed by the non - covalent bonds interaction between the soluble hi - molecular egg white lysozyme aggregates, and the soluble tri - molecular egg white lysozyme aggregate could still stay at the supernatant

    沉澱和上清液的不連續十二烷基硫酸鈉聚丙烯酰胺凝膠電泳（ sds - page ）和高效凝膠排阻層析分析結果表明，還原脲變性蛋白溶菌酶在稀釋復性過程中除了能夠復性成天然態蛋白溶菌酶分子外，還會形成可溶的蛋白溶菌酶分子二聚體和三聚體，二聚體和三聚體主要是靠分子間二硫鍵的錯配連接而成的；可溶的蛋白溶菌酶分子二聚體之間通過非共價鍵相互作用而形成集聚體沉澱，而可溶的三聚體溶菌酶分子則仍處于復性液上清液中。
  5. Determination of nitrate nitrogen in fertilizer by reduction of sodium thiosulphate instead of chromium power

    用硫代硫酸鈉代替鉻粉還原測定肥料中硝酸態氮
  6. Surface modified au nanoparticles have been synthesized based on the reduction of hydrogen tetrachloroaurate ( haucl4 ) by sodium borohydride ( nabh ^ in methanol

    通過硼氫化鈉nabh _ 4還原氫金氯四haucl _ 4 ，成功地製作了羧酸酯表面修飾的金納米粒子。
  7. Major products : water quality testing monitoring instrument : ph meter, conductivity meter, tds meters, orp meter ; pna meter, salt meter ; rotary speed measurement of the machinery manufacturing equipment : many functions tachometer ; air quality testing instrument : thermometer, hygrometer ; others : refractometer, water pump

    主要產品：水質檢測監控儀： ph酸度計ec電導率儀tds計orp氧化還原計鈉度計鹽度計機械製造設備轉速測量：多功能轉速表光電轉速表空氣質量檢測儀：數字溫度計溫濕度表光學檢測儀器：折射儀以及污水潛水泵。
  8. When dissolved, the inorganic peroxygen compounds convert to hydrogen peroxide ( the oxidizing agent ) and the residue of the compound ( e. g.,

    酸性亞硫酸鈉（ nahso3 ）通常使用於過錳酸鉀之漂白后還原。
  9. The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

    本文的實驗主要是在天津芥園水廠的中試系統上完成的，論文的成果和結論主要包括： 1 ）通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種； 2 ）中試實驗確定粉末活性炭的較佳投加點為混合池投加，較佳投加量為10mg l ，此時可使濾后水的cod _ （ mn ）降低40 ，且可較好地控制濾后水的嗅味和色度； 3 ）初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內，投量增大時可吸附部分分子量大於6000的有機物4 ）中試實驗表明：粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果，且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用； 5 ）研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響：粉末活性炭的氧化改性會使其表面的酸性官能團大量增強，表面極性增加；經20的過氧化氫改性的活性炭在增大混凝劑投加量（ fecl _ 3投量為15mg l ）時對有機物的總體去除效果較原活性炭提高12 ， 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ； 6 ）研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響：經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ；負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力，一般可提高8左右。
  10. During the course of purification, the method of orthophenanthroline staining is used to detect the ferritin. 30 | il of the fractions eluted from the aca ^ gel column were pulled into the cells of the minim incubation plate. then sopil 20 % dithionite and 40 | il 0. 1 % orthophenanthroline solution were pulled into respectively

    在酶標板小孔中加入30 l待測液，加入30 l20的連二亞硫酸鈉溶液還原后，再加入40 l0 . 1鄰菲咯啉溶液，根據有無桔紅色顏色產生確定是否含鐵蛋白。
  11. Dihydroxybenzyl alcohol is synthesized from 3, 5 - dihydroxybenzoic acid by acylation and reduction by sodium borohydride reagent systems, which gives a convenient synthetic method

    摘要以3 ， 5 -二羥基苯甲酸為原料，經酰化、硼氫化鈉還原體系還原，合成了3 ， 5 -二羥基苯甲醇。
  12. Abstract : cetirizine hydrochloride was synthesized from chlorobenzene and benzoyl chloride by the friedel - crafts reaction ， reduction, and chlorination followed by condensation with piperizine, 2 - chloroethanol and sodium chloroacetate in turn in 28. 2 % overall yield based on chlorobenzene

    文摘:以氯苯和苯甲酰氯為起始原料，經付克反應、還原、氯化，再分別與哌嗪、氯乙醇、氯乙酸鈉縮合，成鹽制得鹽酸西替利嗪，總收率為28 . 2 %
  13. Sodium metaborate is a by - product from deoxidation of sodium borohydride

    摘要偏硼酸鈉是硼氫化鈉的還原副產物。
  14. The determination of micro arsenic by reduced molyboloarsenate speclrophotometry after seperation by sodium borohydride

    硼氫化鈉還原鉬藍吸光光度法測定微量砷的研究
  15. The asymmetric reduction mechanism of p - methylcyclohexanone by sodium borohydride was investigated with ab initio calculations

    用從頭計算方法對硼氫化鈉不對稱還原對甲基環己酮的機理進行了研究。
  16. The borohydride reducing reagent supported by the strong acid cation exchange resin was prepared by the strong acid cation exchange resin reacting with sodium borohydride. the reductive ability of the resin reducing the carbonyl compounds is strong, so the yields are generally pretty high ( 51 % ？

    用強酸型離子交換樹脂與硼氫化鈉作用制備了強酸型離子交換樹脂支載的硼氫化還原劑.探討了在不同溶劑中制備的還原樹脂的還原能力；應用於還原羰基化合物時有良好的產率（ 51 % ？
  17. Recovery gold from waste solution containing trace gold by solvent extraction

    亞硫酸鈉還原法在黃金生產中應用的探索
  18. Sodium hydroxyde for industrial use. determination of sulphur compounds. method by reduction and titrimetry

    工業用氫氧化鈉.硫化物含量的測定.還原法和滴定法
  19. Sodium tripolyphosphate and pyrophosphate for industrial use ; determination of orthophosphate ; photometric method using reduced phosphomolybdic complex

    工業用三聚磷酸鈉和焦磷酸鈉.正磷酸鹽測定.還原鉬磷酸鹽光度法
  20. Sodium hydroxide for chemical fiber use - determination of silicon mass fraction - reduced molybdo silicate spectrometric method

    化纖用氫氧化鈉中硅含量的測定還原硅鉬酸鹽分光光度法
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