氢
- 与 氢 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The hydrogen is produced by the reaction of Al and autoecious mechanism during anode effect dealing process, which has important effect on the formation of Al electrolyte. Hydrogen produced in the course of Al electrolysis pollutes aluminum liquid by diffusion and autoecious mechanism is the main rootstock affecting the metallurgical quality of liquid-Al in short-flow process.
水分与铝反应所产生的氢通过Al2O3夹杂物气体寄生机制进入铝液,对电解铝液中氢的形成有重要影响;铝电解过程生成的氢通过扩散和寄生机制对铝液的污染,是短流程工艺影响铝熔体冶金质量的主要根源。
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The results show that the originated materials for electrolyte aluminium is Al2O3 and AlF3 has good property to absorb vapour. After the water contained in the originated materials goes into electrolyte, AlF3 reacts with water hydrolyzed and the rest of water is electrolyzed into hydrogen and oxygen. Hydrogen enteres aluminum liquid by diffusing and autoecious in Al2O3, which is the main source of hydrogen in electrolyte aluminum liquid.
研究结果表明:电解铝所用的原材料(Al2O3和AlF3等)有良好的吸水性能,所携带的水分进入电解液后,或与氟化盐发生水解反应,或被电解成氢和氧,析出的氢通过扩散和Al2O3寄生机制进入铝液,这是电解铝液中氢的主要来源。
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The result indicates that the hydrogen bond formed by Arg24 in PTP-1B and benzotriazole molecules is of great importance for the selectivity of the compounds.
计算结果表明PTP-1B中的Arg24与化合物的氢键相互作用是提高选择性的重要因素,并且在R2位引入氢键供体且体积较大的强供电子基团,将有利于化合物抑制活性的提高,而在R2位取代基的末端引入氢键受体且体积较大的强吸电子基团,将有利于化合物选择性的提高。
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New ruthenium benzylidene complexes benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-diphenylphosphinoacetato] monochlororuthenium (46), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene][k~2-3-propionato]monochlororuthenium (47), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-2-benzonato]monochlororuthenium (48) featured five-membered, flexible six-membered and rigidsix-membered chelating rings respectively are prepared by reactions of complex 41 withcorresponding sodium phosphino-carboxylates. It is confirmed by X-ray crystallographicanalysis that the coordination geometries of complexes 46 and 47 are distorted squarepyramids with phosphino-carboxylate ligands chelating to ruthenium, and the coordinationbetween ruthenium and benzylidene ligands are strengthened.
用二苯基瞵乙酸盐、二苯基膦丙酸盐、二苯基膦苯甲酸盐与钌卡宾配合物41反应合成了三个新的钌卡宾配合物:含五元膦-氧螯合环的1,3-二-(2,6-二甲苯基)-4,5-二氢咪唑基1-苯亚甲基--一氯合钌(46)、含六元柔性膦-氧螯合环的[1,3-二-(2,6-二甲苯基)-4,5-二氢咪唑基1-苯亚甲基--一氯合钌(47)及含六元刚性膦-氧螯合环的[1,3-二-(2,6-二甲苯基)-4,5-二氢咪唑基]-苯亚甲基--一氯合钌(48)。X射线单晶衍射分析证明,配合物46、47都为变形的四方锥构型,膦-氧与钌形成螯合配位,其中苯亚甲基与钌的配位得以加强。
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Mission:"equality and mutual benefit, reputation first, unity and cooperation and friendship between the long-term" supply products: ethylenediamine; diethylamide; triethylamine; Diethylenetriamine; three ethylene diamine; three ethylene amines 40; 40 Five ethylene amines; five ethylene amines 6; caprolactam; DMF; allyl amine; N, N dimethylaniline; propylamine; are butylamine; are TOA; 3 Poly Cyanamide; 1,2 c diamine; ethanolamine; diethanolamine, triethanolamine; potassium iodide, potassium hydroxide, potassium permanganate, toluene, xylene, toluene of chlorine ; Acetone, butanone; acetylacetone; ethyl acetate, butyl acetate; Y-butyrolactone; DMC; acetyl of methyl acetate; Sanfu acetyl acid; Sanfu acetyl B Ethyl; methanol, ethanol, isopropanol; propylene glycol; glycerol; propargyl alcohol; 1.3 propylene glycol; xylitol; acetic acid; have acid; mercaptoacetic acid; vary Bitterness; adipic acid; trifluoroacetic acid; oxalic acid, the amino acid; o-amygdalin acid; DL-Acid; anhydrous piperazine; six non-piperazine, furfural, castor oil, ethylene Aldehyde; glutaraldehyde, multi-POM; isopropyl ether; anisole; tetrahydropyrrole; pure pyridine; 1.2 dichloroethane; methylene chloride, chloroform, carbon tetrachloride; hydrazine hydrate; Nonylphenol;-m-cresol; Se phenol; phenol; the tert-butyl phenol; Titanium Dioxide; iron; full Tangfen; Bisphenol A; azo two different nitrile; sodium azide; sodium carbonate ; Sodium chloride; iron oxide; cuprous chloride; thionyl chloride; D4; sodium bicarbonate; ammonia, potassium chloride; anhydrous sodium sulphite; ammonium persulfate; glycol Dingmi; B Glycol ether; calcium chloride; cyclohexanone; cyclohexane, methyl tertiary butyl ether, potassium carbonate, ferric chloride, potassium nitrate; Linsuansanna; zinc oxide; sodium nitrite; antimony oxide; Tartrate; OP-10; TX-10; tablets base; AES; sodium benzoate, sodium citrate; partial sodium silicate, sodium perborate, a sodium carbonate, sodium benzene; Asia sodium chlorate; Wuluo Care products; urea; hydrochloric acid, sulfuric acid, lactic acid; amino acid, hydrogen peroxide, ammonium bicarbonate
公司宗旨:&平等互利,信誉至上,团结合作,友谊长久&乙二胺;二乙胺;三乙胺;二乙烯三胺;三乙烯二胺;三乙烯四胺;四乙烯五胺;五乙烯六胺;己内酰胺;二甲基甲酰胺;烯丙基胺;N,N二甲基苯胺;正丙胺;正丁胺;正辛胺;三聚氰胺;1,2丙二胺;一乙醇胺;二乙醇胺;三乙醇胺;碘化钾;氢氧化钾;高锰酸钾;甲苯;二甲苯;对氯甲苯;丙酮;丁酮;乙酰丙酮;醋酸乙酯;醋酸丁酯;Y-丁内酯;碳酸二甲酯;乙酰乙酸甲酯;三伏乙酰乙酸;三伏乙酰乙酸乙酯;甲醇;无水乙醇;异丙醇;丙二醇;丙三醇;丙炔醇;1.3丙二醇;木糖醇;冰醋酸;己醛酸;巯基乙酸;异辛酸;己二酸;三氟乙酸;乙二酸;对氨基苯乙酸;邻氯苦杏仁酸;DL-扁桃酸;无水哌嗪;六无哌嗪;糠醛;蓖麻油;乙二醛;戊二醛;多聚甲醛;异丙醚;苯甲醚;四氢吡咯;纯吡啶;1.2二氯乙烷;二氯甲烷;三氯甲烷;四氯化碳;水合肼;壬基酚;纯间甲酚;硒酚;苯酚;对叔丁基苯酚;钛白粉;铁粉;全糖粉;双酚A;偶氮二异丁腈;叠氮化钠;碳酸钠;氯化钠;三氧化二铁;氯化亚铜;氯化亚砜;D4;碳酸氢钠;氨水;氯化钾;无水亚硫酸钠;过硫酸铵;乙二醇丁醚;乙二醇乙醚;氯化钙;环己酮;环己烷;甲基叔丁基醚;碳酸钾;三氯化铁;硝酸钾;磷酸三钠;氧化锌;亚硝酸钠;氧化锑;酒石酸;OP-10;TX-10;粒碱;AES;苯甲酸钠;柠檬酸钠;偏硅酸钠;过硼酸钠;过碳酸钠;苯磺酸钠;亚氯酸钠;乌洛托品;尿素;盐酸;硫酸;乳酸;氨基磺酸;双氧水;碳酸氢铵
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Commercial results indicate that FH-UDS deep hydrodesulfurization catalyst has well HDS/HDN activities and stability and can satisfy demands for producing low sulfur dieslel under high caustical conditions.
工业应用结果表明:FH-UDS柴油深度加氢脱硫催化剂具有良好的加氢脱硫、脱氮活性和稳定性,能够满足柴油加氢精制装置生产低硫柴油和高负荷运行的要求;对操作条件进行适当调整,可以生产出硫质量分数小于10μg/g超低硫柴油。
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To study the bioactive components from water soluble extract of the Chinese eaglewood, various column chromatography of Chinese eaglewood led to the isolation of ten compounds. Their structures were elucidated as 2,3-bis(3-hydroxyphenyl)- propan-1-ol (1), [(2R,3R)-3-(4-amino-3,5-dimethoxyphenyl)oxiran-2-yl]methanol (2), 8-chloro-4'- methoxy-5,6,7,3'-tetrahydroxy-2-(2-phenethyl)-5,6,7,8-tetrahydrochromone (3), 4'-methoxy-5,6,7,3'-tetrahydroxy-2--5,6,7,8-tetrahydrochromone (4), the isomer of 4 (5), 4'-methoxy-5,6,7,8-tetrahydroxy-2-(3'-hydroxyphenethyl)-5,6,7,8- tetrahydrochromenone (6), 4'-methoxyisoagarotetrol (7), 6-hydroxy-2-(2-hydroxy-2- phenethyl)-chromone (8), 6-hydroxy-2-(2-phenethyl)-chromone (9), 6-hydroxy-2-(4'- hydroxy-2-phenethyl)-chromone (10), and Guaiacylacetone (11) by means of spectral analysis and comparison with references.
为了进一步发现沉香中具有生理活性的化学成分,本文对国产沉香的水溶性成分进行了研究,从中分离得到11个化合物,通过红外、紫外、质谱、核磁共振(1H-NMR, 13C-NMR, COSY, HSQC, HMBC, ROESY)波谱解析,分别鉴定为:2,3-二(3-羟基苯基)-丙-1-醇(1),[(2R,3R)-3-(4-氨基-3,5-二甲氧苯基)-2-氧化烯基]甲醇(2),8-氯-4'-甲氧基-5,6,7,3'-四羟基-2-(2-苯乙基)-5,6,7,8-四氢色原酮(3),4'-甲氧基-5,6,7,3'-四羟基-2-(2-苯乙基)-5,6,7,8-四氢色原酮(4),化合物3的差向异构体(5),4'-甲氧基-5,6,7,8-四羟基-2-(3'-羟基-2-苯乙基)-5,6,7,8-四氢色原酮(6),4'-甲氧基异沉香四醇(7),6-羟基-2-(2-羟基-2-苯乙基)色原酮(8),6-羟基-2-(2-苯乙基)色原酮(9),6-羟基-2-(4'-羟基-2-苯乙基)色原酮(10)和Guaiacylacetone (11)。
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Cinnamaldehyde, a member of α,β-unsaturated aldehydes, and its semi- hydrogenated products such as cinnamyl alcohol and hydrocinnamaldehyde are important fine chemicals and intermediates especially in perfume industry and medicine manufacture.
肉桂醛是α,β-不饱和醛分子中的一种,肉桂醛分子中C=C键及C=O键加氢生成半加氢产物加氢肉桂醛和肉桂醇更是医药、香料等的重要原料及中间体。
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Therefore, the hydrogen production by Etharioligenens sp. B49 was probably by Clostridial type pathway.
初步判断高效产氢菌B49的产氢代谢途径类似于梭菌型产氢途径。
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The rate capability of the alloys is improved after plating, due to the fine particles formed through hydrogen crisping and the nickel layer contributed to the conductivity of electrodes.
镀镍层有利于贮氢合金氢化物电极大电流放电,这种作用源于微包覆过程中氢脆引起合金颗粒的细化与表面镀层增强了电极的导电性。
- 推荐网络例句
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。