氫化物還原 的英文怎麼說

中文拼音 [qīnghuàháiyuán]
氫化物還原 英文
hydride reduction
  • : 名詞[化學] (氣體元素) hydrogen (h)
  • : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
  • : 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...
  • : 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. It is resistant to borohydride reduction in alcoholic solvents.

    在醇溶劑中,它不能被硼氫化物還原
  2. Ivermectins ( a mixture containing more than 80 % of 22, 23 - dihydroavermectin bla and less than 20 % of 22, 23 - dihydroavermectin b1b ), which have the same effective antiparasitic activities and the lower level of toxic side - effects than avermectins, are currently synthesized by chemically reducing the double bond between c22 and c23 of avermectins b1

    阿維菌素b1在c - 22 , 23位的學加稱為伊維菌素( ivermectins ) ,具有與阿維菌素相同的殺蟲活性,但毒性更低,更安全。目前國內外報道的伊維菌素生產均是用法,生產成本很高。
  3. Lin s x, wang q, wang y l. interactions between escherichia coliarginyl trna sythetase and its substrates, biochemistry. 1988, 27 : 6348

    汪靜英,王應睞.琥珀酸脫酶的研究- -琥珀酸脫細胞色素c的性質.生學與生理學報. 1981 . 13 : 347 - 352
  4. This paper describes several latest industrial microbial technologies in detail, which are the synthesis of the chiral diols by epoxide hydrolase from microbie, cofactors regeneration for redox with fdh, production of nano / micro wire by the phage display, metabolic network rebuilding for conventional fermentation and the application of the organic solvent tolerance and the metagenomics technology

    本文綜述了幾項最新的工業微生技術,主要包括:微生環氧水解酶催合成手性二醇、微生甲酸脫酶用於再生氧反應的輔因子、通過噬菌體展示技術得到納米級金屬絲、代謝網路改造和重建用於傳統發酵生產以及有機溶劑耐受菌和宏基因組技術的應用。
  5. This paper proposed a convenient way for producing disulfides, along which disulfides can be readily prepared in moderate to good yields via the reduction of alkylthiocyanates by the low - valent titanium reagent in thf at 0

    在四呋喃、 0反應條件下,低價鈦試劑能容易地硫氰酸酯生成相應的二硫,得到中等至良好的產率
  6. Several polysubstituted biphenyl compounds containing four skeletons were firstsynthesized from ellagic acid via a reduction with dibal - h. the cytotoxicity activities of these compounds were evaluated against human tumor cells in vitro

    以鞣花酸為料經關鍵的二異丁基首次合成了數個擁有4個骨架的多取代聯苯,並對其人類腫瘤細胞毒活性進行了體外測試。
  7. 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活性炭廠生產的煤質炭為適合天津水的炭種; 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水中有機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 )研究並初步確定氧改性對粉末活性炭表面性質和有機的去除效果的影響:粉末活性炭的氧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 )時對有機的總體去除效果較活性炭提高12 , 1次氯酸鈉改性活性炭對有機的去除效果較活性炭提高6 ; 6 )研究並初步確定改性、負載金屬離子對水中有機的去除效果的影響: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質的去除能力,一般可提高8左右。
  8. The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry

    本文系統研究了水霧預合金鋼粉生產工藝及合金方法對鐵基粉末冶金材料性能影響,詳細研究了冶煉、霧工藝參數對預合金鋼粉學成份和理性能影響,並得出如下結論: ( 1 )採用高壓水霧技術可用於生產高密度、高強度、尺寸穩定性的低損含量的水霧預合金鋼粉。 ( 2 )冶煉溫度越高,高壓水壓力越大,所得生粉顆粒粒度越細。 ( 3 )水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。
  9. The co - expression of l l6 - hsd1 and gr in the saxne chorionic trophoblast suggests possible intrcrine achons ofglucoconicoid generated by l l6 - hsdl within the cells. 2. ewe radiomctric conversion assay showed that trctrient of the cells with the synthetic glucocorticoid - - dexarnethasone ( l0 - ' m ) for 24h increased the conversion of conisone to cortisol, and thes increase was blocked by the gr antagonist ru486

    雙標免疫組織學染色結果顯示11p hsdi和gr共存於同一個滋養層細胞,提示在體內無活性的gc代謝產?一17羥d脫皮質酮經11p hsdi后可以直接與同一個細胞內的gr結合,即以內在分泌( intracrine )形式發揮作用
  10. L l6 - hsd2 is localized to the sppytiotrophoblast of the placenty providing a fimctional barrier protecting the fetus from matemal glucocorticoids. a sequence resembling glucocorticoid response element ( gre ) has been identified in the promoter region of the human l l0 - hsdl gene. glucocorticoids have been shown to induce the expression of 11p - hsdl in the hippomus in vitro " whereas controversial results were obtained in the hepatocyte

    體內至少存在兩型11 - hsd ,在細胞完整的狀態下, 11 - hsd1主要為酶,它活gc的代謝產17 -羥- 11 -脫皮質酮(嚙齒類為脫皮質酮)為有活性的皮質醇(嚙齒類為皮質酮) ,而11 - hsd2為氧酶,它催皮質醇為無活性的17 -羥- 11 -脫皮質酮,因此11 - hsd1加強gc的作用,而11 - hsd2減弱gc的作用。
  11. Sodium metaborate is a by - product from deoxidation of sodium borohydride

    摘要偏硼酸鈉是硼鈉的副產
  12. This study was to investigate the effects of sulfur dioxide inhalation at different concentrations on some glutathione - related enzymes such as glutathione s - transferase ( gst ), glucose 6 - phosphate dehydrogenase ( g6pd ) and glutathione reductase ( gred ) in brain, lung, heart, liver, kidney and spleen of mice by the technology of biochemical toxicology. the results were showed as follows, so2 exposure at different concentrations caused the changes of glutathione redox system. moreover, the activities of antioxidative enzymes and the contents of reduced glutathione ( gsh ) were decreased significantly in different tissues at higher concentrations of soa

    本研究利用生毒理學技術研究了不同濃度二氧硫吸入( 22 2mg m ~ 3 , 64 3mg m ~ 3 , 148 23mg m ~ 3 )對純系昆明小鼠腦、肺、心、肝、腎、脾六種組織的谷胱甘肽酶( glutathionereductase , gred ) 、谷胱甘肽硫轉移酶( glutathiones - transferase , gst )和葡萄糖- 6 -磷酸脫酶( glucose6 - phosphmedehydrogenase , g6pd )活性的影響,結果表明so _ 2吸入使小鼠不同組織的谷胱甘肽氧系統發生了改變,表現為隨著so _ 2吸入濃度的增加,該系統中的抗氧酶活性的顯著變和抗氧質水平的顯著降低,且存在著組織差異性。
  13. 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鈉作用制備了強酸型離子交換樹脂支載的硼劑.探討了在不同溶劑中制備的樹脂的能力;應用於羰基時有良好的產率( 51 % ?
  14. Sodium hydroxyde for industrial use. determination of sulphur compounds. method by reduction and titrimetry

    工業用鈉.硫含量的測定.法和滴定法
  15. Potassium hydroxide for industrial use. determination of sulphur compounds. method by reduction and titrimetry

    工業用鉀.硫含量的測定.法和滴定法
  16. Standard test method for trace nitrogen in aromatic hydrocarbons by oxidative combustion and reduced pressure chemiluminescence detection

    通過氧燃燒和壓力學發光檢測法測定航空用碳中痕量氮的標準試驗方法
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