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copper complex     
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  铜配合物
     Synthesis and Single - Crystal Structure of the Copper Complex [Cu(C_3N_2H_3)_2(H_2NC_6H_4SO_3)_2(H_2O)_2]· 2H_2O
     铜配合物[Cu(C_3N_2H_3)_2(H_2NC_6H_4SO_3)_2(H_2O)_2]·2H_2O的合成和晶体结构
短句来源
     Synthesis, Crystal Structure and Thermal Stability of Binuclear Copper Complex: [Cu(C_(14)H_8O_3)(C_9H_7N)(C_2H_5OH)]_2 with 9-hydroxy-fluorene-9-carboxylic Acid
     9-羟基-芴-9-羧酸双核铜配合物[Cu(C_(14)H_8O_3)(C_9H_7N)(C_2H_5OH)]_2的合成、晶体结构及热稳定性研究
短句来源
     Synthesis and Crystal Structure of Tetranuclear Copper Complex [CuBr(p-OCH_3Ph)_3]_4·1.5CH_3OH
     四核铜配合物 [CuBrP(p-OCH_3Ph) _3]_4 ·1.5CH_3OH的合成和晶体结构
短句来源
     Hydrothermal Synthesis and Crystal Structure of a New Dinuclear Copper Complex: [Cu_2(Ophen)_2]·2H_2O(HOphen=2-Hydroxy-1,10-Phenanthroline)
     双核铜配合物[Cu_2(Ophen)_2]·2H_2O(HOphen=2-羟基-1,10-啉菲咯啉)的水热合成和晶体结构
短句来源
     Hydrothermal Synthesis and Crystal Structure of a New Mixed-valent Copper Complex [Cu~ⅠCu~Ⅱ(Ophen)_2Cl]·H_2O (HOphen=2-Hydroxy-1,10-phenanthroline)
     新型混价铜配合物[Cu~ⅠCu~Ⅱ(Ophen)_2Cl]·H_2O(HOphen=2-羟基-1,10-邻菲咯啉)的水热合成和晶体结构
短句来源
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  铜络合物
     Maximum absorption wavelength is at 558 nm for copper complex and at 560 nm forzinc complex. Beer’s law is obeyed in the ranges of 0~37.5 mg/L for copper and 0~238 mg/L for zinc.
     铜络合物的最高吸收峰在558nm,锌络合物的最高吸收峰在560nm,在25mL溶液中,铜在0~37.5mg/L,锌在0~238mg/L范围内符合beer定律。
短句来源
     Apparent molar absorption coefficient of copper complex is 4.27μ105 in the proposed method for the spectrophotometric determination of copper, and the calibration curve is linear over the range Cu2+ 0-5.4μg/25ml.
     光度测定法中铜络合物的表观摩尔吸光系数为4.27×10~5,铜的浓度在0—5.4μg/25ml范围内符合比尔定律。
短句来源
     THE CRYSTAL AND MOLECULAR STRUCTURE OF TETRAHYDROTHIAZOLE-2-THIONE COPPER COMPLEX
     四氢噻唑-2-硫酮铜络合物的晶体结构与分子结构
短句来源
     Determination of Copper in Sulphuric Acid by Adsorptive Wave Polarography of Copper Complex Compound
     铜络合物吸附波极谱法测定硫酸中的铜
短句来源
     Determination of Amoxicillin by Amoxicillin Copper Complex Spectrophotometric Method
     阿莫西林-铜络合物光度法测定阿莫西林
短句来源
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  铜的配合物
     With sterically hindered 1 - naphthalenethiol ligand, the copper complex [α- C10H7SCu]n reacted with CS2, in the presence of Ph3P, to give a product of CS2 insertion into Cu-S bonds.
     合成了具有一定空阻的配体α-萘硫酚及其铜的配合物[α-C_(10)H_7SCu]_n.
短句来源
  铜络合
     Treatment of Wastewater Containing Direct Copper Complex Azo Dye by Coagulation Sedimentation Fenton Oxidation Methods
     混凝沉淀及Fenton氧化法处理含直接铜络合偶氮染料废水
短句来源
     Study on New Treatment Techniques of Industral Wastewater Containing Direct Copper Complex Azo Dye
     含直接铜络合偶氮染料工业废水处理技术研究
短句来源
     Serum copper complex protein and its changes in cancers
     癌症患者血清铜络合蛋白的检测
短句来源
     Objective To study the changes of copper complex protein (CCP) in cancer patients.
     目的研究血清铜络合蛋白(CCP)在癌症患者的改变。
短句来源
     Coagulation sedimentation Fenton oxidation experiments and Internal electrolytical decolorization experiments were conducted to treat the wastewater containing direct copper complex azo dye.
     本文采用某染料厂含直接铜络合偶氮染料废水,依次进行了混凝沉淀、Fenton和铁屑内电解法实验。
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      copper complex
    After filtration, the solid mass consisting of a copper complex and naphthalene is dissolved with 5 mL of dimethylformamide, and the metal is determined by second-derivative spectrophotometry.
          
    The copper complex can alternatively be quantitatively adsorbed on tetradecyldimethylbenzylammonium-naphthalene adsorbent packed in a column and determined similarly.
          
    The possibilities of using pheophorbid (a), chlorin e6, its copper complex, 6-N-(2-aminoethylamido)chlorin e6 dimethyl ester, and its complexes with Cu(II), Ni(II), Co(II), and Zn(II) as dyes for cellulose, acetate, and wool fibers were studied.
          
    Complexation of copper, cobalt, and chromium nitrates with 3-hydroxypyridine in ethanol solutions was studied, and the formation constant of the copper complex was calculated.
          
    Heterocyclic β-aminovinyl ketones (HL) and the copper complex CuL2 are synthesized and studied by IR and 1H NMR spectroscopies.
          
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    The possibility of using EDTA as a masking agent for copper in the photo-metric determination of nickel by the dimethyglyoxime method has been inves-tigated. It is found that (1) neither the color of the nickel nor that of the coppercomplex can be formed if EDTA is added before the dimethyg]yoxime reagent. (2)If EDTA is added aftet the color has been developed, the nickel complex remainsunchanged while the copper complex is destroyed; but in strong alkaline solution,the dimethylglyoxime-copper complex...

    The possibility of using EDTA as a masking agent for copper in the photo-metric determination of nickel by the dimethyglyoxime method has been inves-tigated. It is found that (1) neither the color of the nickel nor that of the coppercomplex can be formed if EDTA is added before the dimethyg]yoxime reagent. (2)If EDTA is added aftet the color has been developed, the nickel complex remainsunchanged while the copper complex is destroyed; but in strong alkaline solution,the dimethylglyoxime-copper complex appears to be more stable, and cannot becompletely destroyed by EDTA. A method for the determination of nickel in the presence of a large amountof copper is described. By means of this method, small amount of nickel can bedetermined with great accuracy if the ratio of Cu/Ni does not exceed 1, 000: 1.Cobalt, manganese, and large amounts of chromium, vanadium and silver interfere. This method has been used in the determination of nickel in copper ore.

    本文报告用丁二肟法比色测定镍时,用EDTA作为铜的隐蔽剂的可能性。找出:(1)若在加丁二肟前加EDTA,则镍及铜均不能形成丁二肟络合物。(2)若在先加丁二肟再加EDTA,则丁二肟镍不变,而相应的铜络合物破坏(在强硷性溶液中破坏不完全)。文中叙述在大量铜存在时少量镍的测定法。当铜量不超过镍一千倍时,可得准确的结果。钴、锰以及大量的铬、钒及银干扰。

    Both natural l-α-narcotine (Ⅰ) and artificial l-β-narcotine (Ⅱ) were reduced by LiAlH_4 to the α-diol (Ⅲ), m.p. 132°, [α]_D~(15)+51.2°(CHCl_3), Al_2O_3 thin layer chromatography R_f 0.63 (ether), and the β-diol (Ⅳ), m.p. 60~61°, [α]_D~(15) -59.5° (CHCl_3), Al_2O_3 thin layer chromatography R_f 0.45 (ether), respectively. The latter was contaminated with a small amount of α-diol (Ⅲ), the yield of which was increased to 32% as the reaction time is prolonged to four hours. A copper complex (Ⅴ') could be prepared...

    Both natural l-α-narcotine (Ⅰ) and artificial l-β-narcotine (Ⅱ) were reduced by LiAlH_4 to the α-diol (Ⅲ), m.p. 132°, [α]_D~(15)+51.2°(CHCl_3), Al_2O_3 thin layer chromatography R_f 0.63 (ether), and the β-diol (Ⅳ), m.p. 60~61°, [α]_D~(15) -59.5° (CHCl_3), Al_2O_3 thin layer chromatography R_f 0.45 (ether), respectively. The latter was contaminated with a small amount of α-diol (Ⅲ), the yield of which was increased to 32% as the reaction time is prolonged to four hours. A copper complex (Ⅴ') could be prepared from the β-diol (Ⅳ), but not from the α-diol (Ⅲ). From these facts, the relative configurations of both l-α-narcotine (Ⅰ) and l-β-narcotine (Ⅱ) should be referred to as belonging to the erythro- and threo-series, respectively.

    利用那可汀还原产物制备铜络合物的方法测定l-α-那可汀(Ⅰ)(天然)与l-β-那可汀(Ⅱ)(人工制得)的相对构型分别为赤与苏。结合l-α-那可汀(Ⅰ)经一系列化学变化制得1-甲氧基-13-表蛇果碱(Ⅷ)为负旋光性的事实,推论l-α-那可汀(Ⅰ)与l-β-那可汀(Ⅱ)的绝对构型分别为1R:9S与1R:9R。从已知结构关系推知Narcotoline(Ⅺ)的绝对构型为1R:9S,α-(天然)与β-gnoscopine(人工合成)的相对构型分别为赤与苏。

    The separation and identification of geometric isomers of 2-hydroxy-5-sec-octyl-enzophenone oxime (N-510) and 2-hydroxy-4-sec-octyloxybenzophenone oxime (N-530)have been nvestigated. Recrystallization of the copper complex of hydroxyoximes affords only anti-somer. olumn chromatography on silica gel gives excellent separation of both geometric isomers. The yn- and anti-isomers of such aromatic hydroxy-oximes are readily distinguishable by UV spectra nd TLC. The purity of these isomers are also checked by...

    The separation and identification of geometric isomers of 2-hydroxy-5-sec-octyl-enzophenone oxime (N-510) and 2-hydroxy-4-sec-octyloxybenzophenone oxime (N-530)have been nvestigated. Recrystallization of the copper complex of hydroxyoximes affords only anti-somer. olumn chromatography on silica gel gives excellent separation of both geometric isomers. The yn- and anti-isomers of such aromatic hydroxy-oximes are readily distinguishable by UV spectra nd TLC. The purity of these isomers are also checked by elemental analysis and non-aqueous otentiometric titration.The molecular struoture and the behaviour of the geometric isomers of romatic hydroxy-oximes in organic solvents have been studied by UV, IR, NMR as well as MW etermination (VPO method).The intramolecular hydrogen bonding, resulted from phenolic hydroxyl roton and oximido nitrogen, is predominant in the anti isomer. Meanwhile, in non-polar olvent, specially in a more concentrated solution, the existence of intermolecular hydrogen bonding in he anti-isomer of N-530 is also observed. As indicated by MW determination, the degree of ggregation is enhanced, while the concentration of the anti-isomer is increased. In a 9% olution of the anti-isomer of N-530 in n-hexane, the tetramer is formed. The cyclic imerization, as shown by Laskorin, is not the only form, The chain association is also ossible s reported by others.In contrast with the result reported by Ashbrook, there is no evidence ound by us for the formation of intramolecular hydrogen bonding in the syn-isomer of aromatic ydroxy-oximes. The intermolecular hydrogen bonding, resulted from the association of phenolic ydroxyl group with oximidohydroxy group from another molecule, seems predominate in syn-somers, however these two kinds of proton exchanges rapidly. Based on the shift of OH tretohing vibration in IR and on the chemical shift of hydroxyl proton in NMR as well as on he esult of MW determination, the strength and the stability of intermoleoular hydrogen bonding n yn-isomer are greater than that in the anti-isomer.

    应用硅胶薄层层析分离和鉴定了羟肟类萃取剂中顺、反式异构体和杂质组分;通过铜络合物重结晶法分离纯化反式异构体;用硅胶柱层析法分离顺、反式异构体。所得羟肟类萃取剂2-羟基-5-仲辛基二苯甲酮肟(N-510)和2-羟基-4-仲辛氧基二苯甲酮肟(N-530)的顺式和反式异构体,薄层层析和元素分析鉴定证明为纯化合物。用非水电位滴定法测得羟肟含量在98.5%以上. 应用紫外光谱,红外光谱,核磁共振谱和表观分子量的测定等方法对羟肟的顺、反式异构体的分子结构和在有机溶剂中的状态进行了研究.羟肟的顺式异构体以酚羟基及肟基形成分子间氢键,且两种质子进行快速交换.反式异构体的酚羟基质子除与肟基氮原子形成分子内氢键外,还可通过肟羟基形成分子间氢键.在聚集态或浓溶液中形成多聚体.

     
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