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complexes     
相关语句
  配合物
     ETHYLENE OLIGOMERIZATION CATALYZED BY TRANSITION METAL COMPLEXES
     过渡金属配合物催化乙烯齐聚的研究
短句来源
     Model Complexes of Manganese-Containing Metalloenzyme: Studies on Synthesis, Structure and Properties of Mn(Ⅲ),Mn(Ⅳ) and Mixed-Valence Multnuclear Manganese Complexes
     金属锰酶模型配合物:Mn(Ⅲ)、(Ⅳ)及混合价多核锰配合物的合成、结构及性质研究
短句来源
     Synthesis, Characterization and Catalytic Carbonylation Reactions of Phosphine Liands Containing Phosphonate and Their Palladium Complexes
     含膦酸根等水溶性膦配体及其钯配合物的合成、表征和催化羰基化反应
短句来源
     Design,Synthesis,Supramolecular Recognition and Mimic Enzyme Catalysis of Macrocyclic Polyamine Metal Complexes
     新型大环多胺金属配合物的设计合成、超分子识别与仿酶催化作用
短句来源
     Study on Oligomerization of Ethylene to Linear Low Carbon α-olefins by ⅣB、Ⅷ Groups Metal Complexes
     ⅣB、Ⅷ族金属配合物体系催化乙烯齐聚合成直链低碳α-烯烃的研究
短句来源
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  络合物
     Theoretical Studies on Reactions Catalyzed by Transition-metal Complexes
     过渡金属络合物催化反应的理论研究
短句来源
     Experimental and Theoretical Study on the Photodissociation of Metal Ion-molecule Complexes
     金属离子—分子络合物光解实验与理论研究
短句来源
     Studies on Asymmetric Cyanation of Carbonyl Compounds Catalyzed by a Novel C_2-Symmetric Chiral N,N'-Dioxide Titanium Complexes
     具有C_2对称性的新型手性双氮氧钛络合物催化羰基化合物的不对称腈化反应研究
短句来源
     Study on the Photodissociation Dynamics of Metal Ion-molecule Complexes
     金属离子—分子络合物光解动力学研究
短句来源
     POLAROGRAPHIC STUDIES OF METAL COMPLEXES Ⅱ.THE CADMIUM-THIOCYANATE SYSTEM
     金属络合物的极谱研究 Ⅱ.硫氰酸根和镉的络合物
短句来源
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  复合物
     The Co-relations of Chromosome Remodeling Complexes (BAF) with Transcriptional Factor (NF1/CTF) and RNA Polymerase Ⅱ in Gene Transcriptional Activity
     染色体改构复合物(BAF)与转录因子(NF1/CTF)和RNA聚合酶Ⅱ在基因转录活动中的联系
短句来源
     Primary Refolding of the HLA-A~*0201-peptide Complexes and Its Application in HBV Variation
     HLA-A~*0201-肽复合物的初步构建与应用
短句来源
     Experimental Study of Mixed Heat Shock Proteins/peptides Complexes for Immunotherapy of Mice Sarcoma
     混合HSPs/肽复合物疫苗免疫治疗小鼠内瘤的实验研究
短句来源
     Synthesis and Properties of Novel Carbon Nanotubes/Polymer Graft Composites and Metal Complexes
     碳纳米管/高分子接枝复合物及其配合物的合成与性能研究
短句来源
     Purification of gp96-peptide Complexes from Bladder Cancer Tissue and Analysis of Peptides Isolated from gp96 by Mass Spectrometry
     膀胱癌组织gp96-肽复合物的纯化及抗原肽的生物质谱分析研究
短句来源
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  复合体
     These complexes are controlled by the Cdk inhibitors, p16 family of proteins, p16INK4a, p15INK4B and p18INK4C.
     CDK家族与cyclinD1的复合体又受到p16家族(包括p16INK4A,p15INK4B和p18INK4C)的抑制。
短句来源
     The heteromeric complexes of A1/D1、A2a/D2 receptor provided the molecular basisfor the functional interactions of A1/D1 and A2a/D2 receptor.
     A1/D1、A2a/D2受体形成受体异聚复合体构成了受体-受体之间相互作用的分子基础。
短句来源
     The annealing behavior of electron irradiation induced 830cm~(-1) band transforming to 889, 904, 969, 986 1000 and 1006cm~(-1) bands supports the multiple oxygen-defect complexes model previously proposed by Corbett and Stein.
     电子辐照产生的830cm~(-1)峰在退火时转化成889、904、969、986、1000及1006cm~(-1)峰的退火曲线支持了Corbett和Stein提出的多重氧-缺陷复合体的模型。
短句来源
     7. The quality of cumulus oocyte complexes showed positive influence on oocytes maturation in vitro, the maturation rate( 86.1%, 66.3%, 35.6%) and cleavage rate (42.8%, 31.9%, 10.5%) of the three-graded (A,B,C) oocytes were significantly different.
     7.卵丘-卵母细胞复合体的质量影响卵母细胞的体外成熟,A、B、C三级卵母细胞成熟率分别为86.1%、66.3%、35.6%,卵裂率分别为42.8%、31.9%、10.5%,差异均显著(P<0.05)。
短句来源
     CD_(44) and Inter-α-Trypsin Inhibitor Expressionin the Cumulus-Oocyte Complexes of Mice
     小鼠卵丘-卵母细胞复合体CD_(44)和间α胰蛋白酶抑制剂的表达
短句来源
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  complexes
On spherical representations of quivers and generalized complexes
      
In particular, all complexes are spherical representations.
      
We introduce a category of representations that we call generalized complexes and classify spherical generalized complexes.
      
SYNTHESIS BIODISTRIBUTION AND QSAR STUDIES OF FIVE Tc-99M LABELED NOVEL N3S PSEUDO-PEPTIDE COMPLEXES
      
In this paper, we will discuss the construction problems about the invariant sets and invariant measures of continuous maps which map complexes into themselves, using simplicial approximation and Markov chains.
      
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When metal ions Mn+ combines with liganda L -b to form a series of mono-and polynuclear complexes as follows:the various concentration equilibrium constants Kpq at constant ionic strength can be evaluated from the polarographic half wave potential measurements through the function Y0 as follows:where ks and (kc)0 are diffusion current constants and ΔE1/2 the difference of thehalf wave potentials of the simple and the complexed metal ions respectively.The method for evaluation of Kpq's from Y0 has been...

When metal ions Mn+ combines with liganda L -b to form a series of mono-and polynuclear complexes as follows:the various concentration equilibrium constants Kpq at constant ionic strength can be evaluated from the polarographic half wave potential measurements through the function Y0 as follows:where ks and (kc)0 are diffusion current constants and ΔE1/2 the difference of thehalf wave potentials of the simple and the complexed metal ions respectively.The method for evaluation of Kpq's from Y0 has been described in detail.

本文讨论从极谱半波电势求多核络合物的各级稳定常数的一般处理法。

The inorganic salts of antimony, arsenic and bismuth are toxic substances, but their hard dissociated organic derivatives are less toxic and are widely used in the- rapy. Organic chelating compounds such as ethylenediaminetetraacetic acid (I) are often used as agents for detoxification of heavy metals. It appears that complexes formed by therapeutic metals and ethylenediaminetetraacetic acid would be less toxic as well and might be useful therapeutically. Such compounds have been prepared in the present...

The inorganic salts of antimony, arsenic and bismuth are toxic substances, but their hard dissociated organic derivatives are less toxic and are widely used in the- rapy. Organic chelating compounds such as ethylenediaminetetraacetic acid (I) are often used as agents for detoxification of heavy metals. It appears that complexes formed by therapeutic metals and ethylenediaminetetraacetic acid would be less toxic as well and might be useful therapeutically. Such compounds have been prepared in the present work. Attempts to react ethylenediaminetetraacetic acid or its mono, di or tetra-sodi- um salts with freshly precipitated antimonous oxide were not successful. The former also failed to react with potassium antimonyltartrate. Treatment of antimony trichloride on aqueous ethylenediaminetetraacetic acid, however, gave a complex, which could be recrystallized from water without hydrolysis, and which gave no precipitate with catechol or rhodizonic acid. This complex forming reaction is most favourable at a pH of about 2.5. Neutralization of the complex with various alkalis or amines afforded the corresponding potassium, sodium, lithium, ammonium, ethylenediammonium and diethylammonium salts, which are water-soluble. Neither antimony pentachloride nor arsenic trichloride gave the corresponding chelating compounds with ethylenediaminetetraacetic acid under similar conditions. A bismuth chelate was formed by interaction of bismuth basic carbonate and aqueous ethylenediaminetetraacetic acid at 80°. This sparingly soluble chelate gave water-soluble salts on treatment with sodium hydroxide or ammonia. In order to study its structure, a pseudo-ephedrine salt, m. p. 270-271° (decomp.), (α)_D~(10)=-1.28,° was prepared. Recrystallization of this salt, however, did not cause change in optical rotation. Structure II should give optical isomers. An alternative symme- trical structura was recently suggested by Japanese authors. It was shown in our previous work that stannous tin could yield potential therapeutic compounds. Attempts were therefore made to prepare a stannous chelate of ethylenediaminetetraacetic acid. Although treatment of the latter with stannous oxide did not afford a pure compound, its disodium salt and stannous chloride interacted smoothly in water and a chelate was formed. This new com- pound gave no precipitate on treatment with alkalis, oxalate or sodium thiosulphate, but it could reduce mercuric salts, and metallic tin was separated on treatment with zinc. A water-soluble diammonium salt was prepared. Oxidation of the stannous chelate of ethylenediaminetetraacetic acid by means of hydrogen peroxide afforded the corresponding stannic chelate. Since it could not be dehydrated under reduced pressure and its aqueous solution was distinctly acidic, its structure was assumed as a tetradentate ligand (Ⅲ) rather than a hexadentate one (Ⅳ). It was recently shown by Indian authors that tervalent metals did not necessarily give hexadentate ligand chelates. The stannic chelate is less stable toward alkali than the stannous compound. Preliminary pharmacological tests revealed that the sodium salt of the antimony chelate was as active as tartar emetic against schistosomiasis japonica in white mice.

乙二胺四乙酸在醋酸及醋酸钠缓冲溶液中与三氯化锑作用,获得锑螯合物;与碱式碳酸铋作用,获得铋螯合物;它的二钠盐与氯化亚锡作用,获得亚锡螯合物;作用过程中以过氧化氢氧化时形成锡螯合盐.这些金属螯合物并经与各种碱或胺作用,制成多种水溶性盐。对血吸虫病实验治疗的初步结果指示锑螯合物钠盐的疗效与酒石酸锑钾相仿。

Potassium antimonyltartrate (Ⅰ) is an effective schistosomacidal agent. It would be of interest to see the activity of its corresponding pentavalent antimony derivative. Furthermore, chelation of the latter compound with various hydroxy acids would give a series of new compounds with different degree of stability, which might have some relations with their pharmacological properties. Treatment of aqueous potassium antimonyltartrate (Ⅰ) with 30% hydrogen peroxide gave the corresponding pentavalent antimonyltartrate...

Potassium antimonyltartrate (Ⅰ) is an effective schistosomacidal agent. It would be of interest to see the activity of its corresponding pentavalent antimony derivative. Furthermore, chelation of the latter compound with various hydroxy acids would give a series of new compounds with different degree of stability, which might have some relations with their pharmacological properties. Treatment of aqueous potassium antimonyltartrate (Ⅰ) with 30% hydrogen peroxide gave the corresponding pentavalent antimonyltartrate (Ⅱa). This compound is a weak acid, forms a di-potassium salt (Ⅱb) with potassium hydroxide but does not react with weak bases such as diethylamine or pyridine. Ⅱa, on boiling with potassium bitartrate, gave di-potassium antimonyl~(V) ditartrate (Ⅲ). This new compound could also be formed by the oxidation of antimony trichloride by means of hydrogen peroxide followed by chelation with tartaric acid and then neutralization with potassium hydroxide. Similar complexes were prepared by the action of glyceric acid, D-gluconic acid, mucic acid and gallic acid on Ⅱa. These new compounds are water-soluble substances, and they are suitable for injection. Preliminary pharmacological examination showed that they had quite low toxicity.

酒石酸銻鉀(Ⅰ)用过氧化氫氧化后生成相应五价銻化合物(Ⅱa),它与二乙胺或吡啶等弱碱不能成鹽,但与氫氧化鉀生成鉀鹽(Ⅱb),酒石酸銻鉀(Ⅱa)与酒石酸氫鉀、甘油酸、葡萄糖酸、半乳糖二酸及沒食子酸作用,生成相应于Ⅲ結構的螯合鹽。

 
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