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běn
  • benzene;benzol
苯
[běn]
  • 一种有机化合物,无色液体,有特殊的气味,可从煤焦油,石油中提取,是多种化学工业的原料和溶剂。

[běn]
[名]
1

{化} (碳氢化合物) benzene; benzol:

  • 合成苯

    synthetic benzene

  1. 苯蒸发了,形成了一大团气体。

    The benzene vaporized and formed a huge cloud of gas

  2. 低剂量气态苯暴露对小鼠骨髓细胞DNA的损伤作用

    DNA Damage in Bone-Marrow Cells of Mice Exposed to Low Level of Gaseous Benzene

  3. 不含碱性氮的化合物包括吡咯、吲哚、咔唑和苯咔唑。

    Non-basic nitrogen-containing series include pyrroles , indoles , carbazoles and benzcarbazoles .

  4. 手术后30天依靠阿苯达唑进行辅助药物治疗。

    Adjuvant medical therapy with albendazole was administered for30 days after surgery .

  5. 从苯乙腈制取苯基硝基甲烷就用这个方法。

    This is a generally known method for obtaining phenylnitromethane from benzyl cyanide .

  6. 这种合成苯衍生物的方法,将在本章第一部分介绍。

    This mode of benzenoid synthesis is presented in the first part of this chapter .

  7. 像苯一甲苯那样的接近理想溶液,其蒸气压曲线与此图板极为吻合。

    A nearly ideal solution like benzene-toluene shows a vapor-pressure curve that conforms very closely to the plot .

  8. 在更高的温度范围内,这些化合物的绝大部分又被苯噻吩和更复杂的环状化合物置换。

    The predominance of these series is replaced in turn by benzothiophenes and increasingly complex ring-like compounds in the higher temperature ranges .

  9. 某些苯代(或多苯)环氧乙烷是制取带苯环(或二苯)碳烯的极好原料

    Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes .

  10. 2-(p-叠氮苯基)苯并噻唑的合成

    The Synthesis of 2 - ( p-azidophenyl ) benzothiazole

  11. 苯接触与淋巴细胞DNA损伤

    Benzene exposure and lymphocytic DNA damage

  12. 高效液相色谱同时测定维生素C、苯甲酸、山梨酸、糖精钠

    Determination of Vitamin C , Benzoic Acid , Sorbic Acid , Saccharin Sodium Salt in Food with High Performance Liquid Chromatograph

  13. 稳定膦叶立德和邻苯二甲酸酐反应的NMR研究

    NMR studies on reaction of stabilized phosphorus ylide with phthalic anhydride

  14. 香草醛邻氨基苯甲酸席夫碱Cu(Ⅱ)配合物的合成、表征及抗菌活性研究

    Synthesis , characterization and antibacterial activity of copper (ⅱ ) complex from vanillin and anthranilic acid

  15. HPLC测定食品中苯甲酸、山梨酸、糖精钠的样品前处理

    Pretreatment of food sample for determination of benzoic acid , sorbic acid and saccharin sodium by HPLC

  16. 对瞬态吸收光谱中的主要吸收峰作了归属,表明中间产物为OH加合物、H加合物、苯自由基等。

    The main absorption peaks in these spectra were attributed to OH-adduct , H-adduct and C 6H 5 as the intermediate products .

  17. 研究了Tb(3+)离子与三种苯二甲酸发生的荧光反应。

    The fluorescent reactions of Tb3 + with three phthalic acids were studied in this paper .

  18. 间三氟甲基苯乙腈(TAN)是一种新型的医药、农药中间体。

    3-Trifluoromethyl phenylacetonitrile ( TAN ) is a new-type intermediate for medicine and agri-cultural pesticide .

  19. 目的研究苯并[a]芘(BaP)染毒对小鼠脑组织胞核DNA的损伤。

    Objective To study the DNA damage of benzo [ a ] pyrene on mice brain tissue .

  20. 结果对照组中随苯染毒浓度的增加、染毒时间的延长,骨髓细胞DNA损伤增强,细胞凋亡率增加。

    Results In control group , the DNA damage and the apoptosis of bone marrow cells was increased with the growing concentration and time of benzene treatment .

  21. 慢性苯中毒患者T淋巴细胞rDNA转录活性的研究

    Study of T lymphocyte rDNA transcription activity in chronic benzene poisoning patients

  22. 研究了以两亲聚合物P(C9-AA)作乳化剂,制备大颗粒及具有一定稳定性的苯丙乳液的方法;

    P ( C 9-AA ) was synthesized and used as emulsifiers to prepare large particles and stable poly ( styrene / acrylate / methyl methacrylate / acrylic acid ) emulsion .

  23. 目的研究甲醛和苯联合染毒对小鼠脾脏、胸腺淋巴细胞DNA和RNA合成的影响。

    Objective To explore the effect of combined exposure of formaldehyde and benzene on DNA and RNA synthesis in spleen and thymic lymphocytes in mice .

  24. 反式-4-[4'-(N,N-二丁基氨基)苯乙烯基]-N-甲基吡啶对甲基苯磺酸盐的合成、表征及光学性质研究

    Synthesis , Characterization and Optical Property of Trans 4 - [ 4 ′ - ( N , N-Dibutyl Amino ) Styryl ] - N - Methyl Pyridinium Toluene-p-Sulfonate

  25. 抗氧化剂异VC钠有一定的阻止硝酸盐还原成亚硝酸盐的作用,而苯甲酸钠无此作用。

    VC - Na antioxidant could prevent the reduction from nitrate to nitrite in some exten , but sodium benzoate could not .

  26. 以苯荒酸为配体的[Bu4N]2[W2Ag3S8(C6H5CSS)]钨银硫簇合物的合成和晶体结构

    Synthesis and Crystal Structure of [ Bu_4N ] _2 [ W_2Ag_3S_8 ( C_6H_5CSS ) ] with Dithiobenzoic Acid as the Ligand

  27. 取代甲醛肟羧酸酯的合成及生物活性研究(V)&拟除虫菊酸4-二甲(乙)氨基苯甲醛肟酯抗植物病毒活性

    Synthesis and Bioactivity of Substituted Benzaldehyde Oxime Carboxylates ( V ) & Antivirus Activity of 4-Dimethyl ( ethyl ) amine Benzaldehyde Oxime Ester of Pyrethroid Acids

  28. 微波辐射SnCl4·5H2O催化合成苯甲酸苯乙酯

    Synthesis of the Phenylethyl Benzoate by SnCl_4 · 5H_2O Under Microwave Irradiation

  29. 合成了两种新的三苯基锡与邻氨基苯甲酸型Schif碱的配合物,经元素分析、UV、IR、1HNMR测定,对其结构进行了表征。

    Two novel triphenyltin complexes have been synthesized . The products were characterized by elementary analysis , UV , IR and 1H NMR .

  30. Schiff碱水杨醛苯甲酰腙钴(Ⅱ)和锌(Ⅱ)络合物的红外光谱

    Infrared Spectroscopy of Cobalt (ⅱ) and Zinc (ⅱ) Metal Ion Complex with Schiff Base Salicylaldehyde Benzoyl Hydrazone