助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   碘 在 有机化工 分类中 的翻译结果: 查询用时:0.047秒
图标索引 在分类学科中查询
所有学科
有机化工
内分泌腺及全身性疾病
预防医学与卫生学
化学
轻工业手工业
基础医学
无机化工
畜牧与动物医学
环境科学与资源利用
更多类别查询

图标索引 历史查询
 

    
相关语句
  iodine
    STRUCTURE AND PROPERTIES OF IODINEDOPED POLYANILINE
    掺杂聚苯胺的结构与性能
短句来源
    Selective Addition of Aldehydes by Allyl Iodine And Tin
    烯丙基与锡和醛的选择性加成
短句来源
    The yield of the activated carbon was 62.87% when the methylene blue adsorption reached 200 mL/g and the iodine number was 1 174.37 mg/g.
    该工艺条件下再生活性炭的吸附值1 174.37 mg/g,亚甲基蓝吸附值200 mL/g,得率为62.87%。
短句来源
    Selective Addition of Aldehydes by Allyl Iodine and Tin
    烯丙基和锡与醛的选择加成反应
短句来源
    THE ~(13)C NMR STUDIES ON HETEROCYCLIC COMPOUNDS CONTAINING IODINE
    杂环类化合物的~(13)CNMR谱研究
短句来源
更多       
  iodo
    Michael addition of 3 iodo 4 oxo 4H 1 benzopyran 4 one with 2 thio pyrimidines
    3--苯并吡喃-4-酮与2-硫代嘧啶类的Michael加成反应
短句来源
    Synthesis of S (-) N [(1 ethyl 2 pyrrolidinyl) methyl] 2 hydroxy 3 iodo 6 methoxybenzamide
    S-N-[(1-乙基-2-吡咯烷基)甲基]-2-羟基-3--6-甲氧基苯甲酰胺的合成
短句来源
    Four new 2 (2 hydroxybenzoyl) 5 oxo 5 H thiazo[2,3 b ] pyrimidine derivatives have been synthesized by Michael reaction of the 3 iodo 4 oxo 4 H 1 benzopyran with 2 thio pyrimidines.
    报道了具有α,β-不饱和羰基的3--苯并吡喃-4-酮(1)与2-硫代嘧啶发生Michael加成反应,合成出4个2-(2-羟苯甲酰基)-5-氧-5H-噻唑并[2,3-b]嘧啶的衍生物。
短句来源
    The new 3(2,4pentandionyl)4oxo4Hbenxopyrom4one were synthesized by Michael reaction of the 3iodo4oxo 4H1benopyrom with 2,4pentanedione. The structure of this prepared compound was characterized by elemental analysis,nuclear magnetic resonance, infrared spectroscopy and mass spectroscopy. 
    3苯并吡喃4酮与2,4戊二酮发生Michael加成反应,合成了3(2,4戊二酮基)苯并吡喃4酮.化合物的结构经元素分析、核磁共振、红外光谱和质谱予以证实.
短句来源
    This paper reports the synthesis of S (-) N [(1 ethyl 2 pyrrolidinyl) methyl] 2 hydroxy 3 iodo 6 methoxybenzamide ( S IBZM) The compound has been identified by IR and 1HNMR
    报道了苯甲酰胺衍生物S-N-[(1-乙基-2-吡咯烷基)甲基]-2-羟基-3--6-甲氧基苯甲酰胺(S-IBZM)的合成,产物经红外、核磁共振等测定,与结构相符。
短句来源
更多       
  iodonium
    Application of Phenyl(phenylethynyl)iodonium Tosylate──Synthesis of Isopropylidene-5-alkyl-5-phenyle Malonates
    苯基(苯乙炔基)对甲苯磺酸(Ⅲ)的应用──5-烃基-5-苯乙炔基丙二酸亚异丙酯的合成
短句来源
    The Study of Cationic Photocuring Initiated by Dye-Photoredox Iodonium Salt
    光氧化还原盐引发阳离子固化的研究
短句来源
    STUDY OF A NOVEL PHOTOSENSITIVE INITIATING SYSTEM OF COUMARIN DYE/IODONIUM SALT
    新型的香豆素染料/鎓盐光敏引发系统的研究
短句来源
    STUDY ON CATIONIC POLYMERIZATION INITIATING BY CYCLIC IODONIUM
    环状鎓盐引发阳离子聚合研究
短句来源
    Development of UV-Curable epoxy-acrylate photosensitive adhesive Initiated by Iodonium Salt
    鎓盐引发的环氧—丙烯酸酯复合光敏胶的研制
短句来源
更多       
  iodin e
    STRUCTURE AND PROPERTIES OF IODINEDOPED POLYANILINE
    掺杂聚苯胺的结构与性能
短句来源
    Selective Addition of Aldehydes by Allyl Iodine And Tin
    烯丙基与锡和醛的选择性加成
短句来源
    The yield of the activated carbon was 62.87% when the methylene blue adsorption reached 200 mL/g and the iodine number was 1 174.37 mg/g.
    该工艺条件下再生活性炭的吸附值1 174.37 mg/g,亚甲基蓝吸附值200 mL/g,得率为62.87%。
短句来源
    Selective Addition of Aldehydes by Allyl Iodine and Tin
    烯丙基和锡与醛的选择加成反应
短句来源
    THE ~(13)C NMR STUDIES ON HETEROCYCLIC COMPOUNDS CONTAINING IODINE
    杂环类化合物的~(13)CNMR谱研究
短句来源
更多       

 

查询“碘”译词为其他词的双语例句

     

    查询“碘”译词为用户自定义的双语例句

        我想查看译文中含有:的双语例句
    例句
    为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
      iodine
    Characterization of iodine species in the marine aerosol: To understand their roles in particle formation processes
          
    In this contribution, iodine chemistry in the Marine Boundary Layer (MBL) is introduced.
          
    A series of methodologies for the measurements of iodine species in the gas and particle phases of the coastal atmosphere has been developed.
          
    Iodine species in the gas phase in real air samples has been determined in two field campaigns at the west coast of Ireland, indicating that gaseous iodo-hydrocarbons and elemental iodine are the precursors of new particle formation.
          
    Particulate iodine speciation from the same measurement campaigns show that the non-water-soluble iodine compounds are the main iodine species during the marine particle formation.
          
    更多          
      iodo
    Iodine species in the gas phase in real air samples has been determined in two field campaigns at the west coast of Ireland, indicating that gaseous iodo-hydrocarbons and elemental iodine are the precursors of new particle formation.
          
    The results indicate that the barbituric acid participating in the halogenation reaction converts to an iodo derivative of the parent compound.
          
    The method is based on the extraction of a Mo(V)-ferron (7-iodo-8-hydroxyquinoline-5-sulphonic acid) complex into trioctylamine-chloroform in a sulphuric acid medium using ascorbic acid as a reductant.
          
    Bromo- and Iodo-Containing Alkaloids from Marine Microorganisms and Sponges
          
    The structures of nearly 140 natural bromo- and iodo-containing alkaloids are shown.
          
    更多          
      iodonium
    Anthraquinone production was not inhibited in the non-transformed and transformed cultures by Ca2+ channel blockers, as well as by diphenylene iodonium, an inhibitor of NADPH oxidase, and by the protein kinase inhibitor staurosporine.
          
    Quinacrine and diphenylene iodonium, inhibitors of NAD(P)H oxidase of cell plasma membrane, had no effect on the respiration and photosynthetic O2 evolution by leaf slices, but prevented the CN--induced guard cell death.
          
    Synthesis and Structure of Mixed Phosphonium-iodonium Ylide
          
    A mixed phosphonium-iodonium ylide, phenyliodoniumethoxycarbonylmethylenetriphenylphosphorane borofluoride, was synthesized.
          
    Properties of mixed phosphonium-iodonium ylides were investigated, and the compounds were shown to be capable to behave as O-nucleophiles in nucleophilic substitution reactions.
          
    更多          
      iodin e
    The possibility of iodine-induced hyperthy roidism was not considered because there was no known previous io dine administration.
          


    A detailed procedure, which is essentially a modification of Baker and Briggs' method, is described here for the synthesis of α-phenyl-β-(3,5-diiodo-4-hydroxy-phenyl)-propionic acid (Priodax). Two derivatives of Priodax, one ,being new, were also prepared. The Priodax obtained exhibits low toxicity and produces good cholecystographic shadows. An attempt was made to employ hydriodic acid and red phosphorus for the simultaneous reduction and demethylation of p-methoxy-a-phenylcinnamic acid without success. How-...

    A detailed procedure, which is essentially a modification of Baker and Briggs' method, is described here for the synthesis of α-phenyl-β-(3,5-diiodo-4-hydroxy-phenyl)-propionic acid (Priodax). Two derivatives of Priodax, one ,being new, were also prepared. The Priodax obtained exhibits low toxicity and produces good cholecystographic shadows. An attempt was made to employ hydriodic acid and red phosphorus for the simultaneous reduction and demethylation of p-methoxy-a-phenylcinnamic acid without success. How- ever, this substituted cinnamic acid can be reduced in good yield by means of sodium amalgam.

    本文主要報告α-苯基-β-(3,5-二-4-羥苯基)-丙酸的詳細合成方法。所得產品毒性較舶來品稍低,在X射線下不透光度很大,適合臨床上胆囊造影之用。實驗過程中,曾以氫酸及紅磷還原對甲氧基-α-苯代肉桂酸,未獲成功。但此還原反應在鈉汞齊作用下,可以順利進行。

    A new alkaloid, sipeimine, has been isolated by the authors from a Chinese drug, Si-Pei-Mu, with a yield of 0.12-0.2% (based upon the dry drug), being the highest for Fritillaria alkaloid so far. Sipeimine has an empirical formula C_(27)H_(43)O_3N, m.p. 269℃, [α]_D -33.8° (CHCI_3), [α]_D-39.4°(C_2H_5OH). It crystallises in colorless prisms, and is easily soluble in chloroform or ethyl acetate, soluble in methanol, ethanol, acetone or ether but insoluble in water, sodium hydroxide or petroleum ether. From it,...

    A new alkaloid, sipeimine, has been isolated by the authors from a Chinese drug, Si-Pei-Mu, with a yield of 0.12-0.2% (based upon the dry drug), being the highest for Fritillaria alkaloid so far. Sipeimine has an empirical formula C_(27)H_(43)O_3N, m.p. 269℃, [α]_D -33.8° (CHCI_3), [α]_D-39.4°(C_2H_5OH). It crystallises in colorless prisms, and is easily soluble in chloroform or ethyl acetate, soluble in methanol, ethanol, acetone or ether but insoluble in water, sodium hydroxide or petroleum ether. From it, a hydrochloride in the form of a colorless, amorphous and hygroscopic powder with a m.p. 210° (sealed tube), [α]_D-51.1° (H_2O), a thiocyanate, C_(27)H_(43)O_3N·HCNS·H_2O, in the form of colorless prisms with a m.p. 170° (262° decomp.), an aurichloride with a m.p. 1638 (decomp.) and a platinichloride with a m.p. 239° (decomp.) are prepared. Sipeimine is a strong monoacidic tertiary base, containing one alcoholic hydroxyl group and one carbonyl group. Its methiodide, C_(27)H_(43)O_3N·CH_3I, colorless needles, m.p. 252°(decomp.), methoperchlorate, C_(27)H_(43)O_3N·CH_3ClO_4, colorless needles, m.p. 281° (decomp.), monoacetyl derivative, C_(29)H_(45)O_4N, colorless prisms, m.p. 189°, [α]_D-39.6° (CHCl_3) and mono-oxime C_(27)H_(44)O_3N_2, colorless needles, m.p. 171°, are obtained. It contains at least three carbon-methyl groups but has no active ethylenic linkage, nor has any active methylene group been detected. It does not form sparingly soluble digitonide with digitonin. From the similarity of its empirical formula, botanical origin and properties, sipeimine probably belongs to the steroidal alkaloids as peimine does. A partial formula is presented as follows:

    由西貝母提得新植物鹼西貝素(sipeimine)C_(27)H_(43)O_3N,熔點269°,[α]_D——33.8°(CHCl_3),[α]_D-39.4°(C_(2)H_(5)OH),為無色柱狀結晶,易溶於氯仿,可溶於甲醇、乙醇、丙酮及醚,不溶於水、石油醚及苛性鹼溶液。其氫氯酸鹽,熔點210°;硫氰酸鹽,熔點262°;氯金酸鹽,熔點163°(分解):氯鉑酸鹽,熔點239°(分解)。西貝素合一個叔胺基[甲季銨鹽,熔點252°(分解)],一個醇羥基[乙醯西貝素,熔點189°,乙醯西貝素氫氯酸鹽,熔點271°(分解)],一個羰基(肟,熔點171°),及至少三個碳甲基。其部分分子式如下:

    Direct selenium dehydrogenation of sipeimine gave two basic products. The one has an empirical formula C_(26)H_(31)N (Ⅰ), m.p. 175° and gives a picrate, m.p. 212°. The other has an empirical formula C_(26)H_(25)N (Ⅱ), m.p. 228°, giving a picrate m.p. 224°, a methiodide, m.p. 276°(decomp.), an octahydro-derivative, C_(26)H_(33)N, m.p. 146°, and a keto-derivative, C_(26)H_(23)ON, m.p. 269°. The second basic compound has been proved to be identical with veranthridine, obtained by Jacobs from veratrum alkaloid,...

    Direct selenium dehydrogenation of sipeimine gave two basic products. The one has an empirical formula C_(26)H_(31)N (Ⅰ), m.p. 175° and gives a picrate, m.p. 212°. The other has an empirical formula C_(26)H_(25)N (Ⅱ), m.p. 228°, giving a picrate m.p. 224°, a methiodide, m.p. 276°(decomp.), an octahydro-derivative, C_(26)H_(33)N, m.p. 146°, and a keto-derivative, C_(26)H_(23)ON, m.p. 269°. The second basic compound has been proved to be identical with veranthridine, obtained by Jacobs from veratrum alkaloid, cevine, by their ultraviolet absorption spectra, melting points, and their corresponding derivatives. Thus the relationship between fritillaria and veratrum alkaloids is established. The present results further strongly support our earlier proposed skeleton for sipeimine and ensure the 20-methyl position in (Ⅴ).C_(26)H_(31)N is probably a hexahydro-derivative of veranthridine.

    西貝素用硒脫氫,得下列二種鹼性產物,(1)C_(26)H_(31)N(Ⅰ),熔點175°,苦味酸鹽,熔點212°。(2)C_(26)H_(25)N(Ⅱ),熔點228°,苦味酸鹽,熔點224°;甲季銨鹽,熔點276°(分解);氧化產物C_(26)H_(23)ON(Ⅲ),熔點269°;氫化產物C_(26)H_(33)N(Ⅳ),熔點146°。證明Ⅱ与veranthridine為同一物,因此溝通了貝母植物鹼與藜蘆植物鹼的關係。並進一步證明了西貝素的骨架(Ⅴ),及確定了20-甲基的位置。C_(26)H_(31)N可能是veranthridine六氫衍生物。

     
    << 更多相关文摘    
    图标索引 相关查询

     


     
    CNKI小工具
    在英文学术搜索中查有关的内容
    在知识搜索中查有关的内容
    在数字搜索中查有关的内容
    在概念知识元中查有关的内容
    在学术趋势中查有关的内容
     
     

    CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
    版权图标  2008 CNKI-中国知网
    京ICP证040431号 互联网出版许可证 新出网证(京)字008号
    北京市公安局海淀分局 备案号:110 1081725
    版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社