化学专业英语常用词汇汇编.docx

1、化学专业英语常用词汇汇编专业英语Elements of 1-36常用： ppm: parts per million ppb: parts per billion pH: potential of hydrogen1. 化合物的命名：规则：金属(或某些非金属)元素+阴离子名称 (1)MgCl2 magnesium mni:zjm chloride(2)NaNO2 sodium nitrite naitrait(3)KNO3 potassiumptsim nitrate naitreit(4)硝酸 nitric acid(5)NaHCO3 sodium hydrogen carbonate练习：

2、 FeBr2 (NH4)2SO4 NH4H2PO4 KMnO4 亚硫酸 sulfurous acid H2S NO2 有机物命名 Hydrocarbon Aliphatic hydrocarbon; Aromatic Hydrocarbon Aliphatic hydrocarbon (脂肪烃) Alkane (烷); Alkene(烯); Alkyne(炔) Alcohol 醇 Aldehyde 醛 Ketone ki:tun 酮 Carboxylic acid 羧酸 Aromatic hydrocarbon(芳香烃) benzene (苯) hydroxybenzene(酚) quinon

3、e(醌)无机物中关于数字的写法mono-, di-, tri-, tetra-, penta- hexa-, hepta-, octa-, nona-, deca-一， 二， 三， 四， 五， 六， 七， 八， 九， 十有机物中关于数字的写法meth-, eth-, prop-, but-, pent-, hex-, 甲 乙 丙 丁 戊 已 hept-, oct-, non-, dec-, cyclo-, poly- 庚 辛 壬 葵 环 聚练习 甲烷 乙炔 丙酮 丁醇 戊烷 己烯 庚醛 辛烷 2-甲基壬酸 3,5-二乙基癸醇Lesson 1 Lithium liim n.锂 Beryllium

4、 briljm n.铍(Be) Sodium sudim n.钠Potassium ptsim 钾 Rubidium ru:bidim 铷Caesium si:zim 铯Nucleusnju:klis 原子核，是nuclear的复数Halogenhldn 卤素general chemistry 普通化学positivepztiv ion 阳离子orbital electron 轨道电子effective nuclear charge 有效核电荷atomic radius 原子半径，raddi的复数ionic radius 离子半径negative ion 阴离子electron cloud 电

5、子云Van der Waals non-bounded radius单质分子晶体中相邻分子间两个非键合原子核间距离的一半称为范德华半径 Lesson 2metallic mitlik characterkrikt 金属特性electropositive Ilektrupztiv a.带正电的Ionization ainaizein energy 电离能carbon 碳 germaniumd:meinim 锗tin tin 锡 lead led 铅sodiumsudim 钠 magnesiummni:zjm 镁silicon silikn 硅 chlorine kl:ri:n 氯nonmetal

6、lic nnmitlikadj.n.非金属的，非金属Electronegativity 电负性Metallic oxide 金属氧化物Metallic hydroxide haidrksaid 金属氢氧化物Hydroxyl haidrksil ions 氢氧根离子insolubleinsljubl 不溶解的Ionic ainik adj. 离子的Transition element 过渡元素Basicity bsisiti n. 碱性，碱度Oxyacid ,ksisid 含氧酸Carbonate k:bneit 碳酸盐Nitrate naitreit 硝酸盐Sulphate slfeit 硫酸

7、盐 = sulfateAmphoteric ,mfterik adj.两性的Acid sid n. adj.alkali lklai n.adj.Hydration haidrein 水合作用Hydrolyze haidrlaiz vi. 水解Oxysalt ksis:lt 含氧酸盐Complex 络合物，复合物 句子理解1) Metals are electropositive and have a tendency to loss electrons, if supplied with energy: M M+ + e. 金属是电正性的，如果供给能量，有失去电子的趋势。2) The str

8、onger this tendency, the more electropositive and more metallic an element is. （元素失电子）趋势越强，其电正性和金属性越强。3) Thus sodium and magnesium are more metallic than silicon, which in turn, is more metallic than chlorine. 因此，钠和镁的金属性比硅强，以此类推，硅的金属性比氯强。Which 引导非限定定语从句，修饰Silicon4) Oxides, which are insoluble in wat

9、er, are regarded as basic if they react with acids to form salts. 不溶于水的氧化物，如果和酸能够反应生成盐，则认为是碱性的。5) Weakly electropositive elements are unaffected by water and are much less readily attacked by acids. 弱电正性的金属不与水反应，且不易与酸反应6) Salts of strongly electropositive metals have little tendency to hydrolyze and

10、 form oxysalts. 强电正性的金属盐水解形成含氧酸盐的趋势很小。It is + adj.+ to： It is advantageous to work at lower temperature It is possible to do sth. It seems advantageous to do sth. It appears useful to do sth. It proves correct to do sth. It becomes obvious to do sth. It is important to do sth. It is clear to do sth.

11、 （明显的） It is apparent to do sth.（显而易见的） It is necessary (for us) to know how to convert energy from one form into another.It is + adj. + that It is apparent that the difference between elements is in the structure of their atoms. It is important that the polymerization proceeds under nitrogen atmosp

12、hereIt is + 过去分词+ thatIt is + believed + that（accepted、mentioned、proposed、found、supposed、recommended、known）e.g. It is found that oxygen plays an important role in the reactionIt is + 名词（动名词）+ that(1) It is worth noting (mentioning) that 值得一提的是e.g. It is worth noting that the polymer is highly solubl

13、e inorganic solvents.(2) It is no use that(3) It is a fact that 事实上It +不及物动词+ tha1) It turns out that （seems、appears）2) It follows that由此可见.3) It goes without saying that. 毫无疑问e.g. It goes without saying that the material does not have good stability in air.It +系动词+ that （被动句型，See P29) It is conside

14、red that .（understood、supposed、suggested 、noticed、preferred ） It is generally recognized that It can be foreseen that It must be stressed that It has been shown that Lesson 3 VocabularyGalvanize lvnaizvt.通电流于；电镀;镀锌于ironain 铁 Zinc zik 锌rusting rsti n 生锈anodic ndik adj. 阳极的Scratch skrt vt. & vi.擦伤，刮伤S

15、acrifice skrifais n. vt. & vi.牺牲, 舍身Magnesium mni:zjm n.镁Pipeline paiplain n.管道, 管线hull hl n.船体, 船身Consolidate knslideit vt. & vi.(使)巩固; (使)加强;合并，统一hydrogenhaidrdn 氢Copper kp 铜Disproportionate disprp:nit adj. 不相称的, 不成比例的, 不均匀的;歧化需掌握的词汇Oxidation-reduction reaction 氧化还原反应ironain 铁 Zinc zik 锌Forward re

16、action 正向反应spontaneous spnteinis reaction自发反应anodic protection 阳极保护Magnesium mni:zjm n.镁Reduction potential 还原电势Strong oxidizing、reducing agent 强氧化/还原剂Standard electrode potential 标准电极电势hydrogenhaidrdn 氢Thermodynamic functions 热力学函数Free energy吉布斯自由能Copper kp 铜Disproportionate disprp:nit adj. 不相称的, 不

17、成比例的, 不均匀的;歧化Self-oxidizing/reducing agent 自氧化（还原）剂Ferrous 亚铁 Ferric 三价铁 句子理解1) Oxidation is the removal of electrons from, and reduction is the addition of electrons to an atom.氧化反应是原子失去电子，而还原反应是原子得到电子。2) Consider the galvanizing of iron, that is coating from with zinc to prevent rusting.（关于）铁的电镀，是

18、用锌作镀层来防止铁锈生成。3) If the galvanized steel （镀锌钢材）is scratched, allowing the air to oxidize some iron, the Fe2+ produced is immediately reduced to iron by the zinc, and rusting does not occur.如果镀锌钢材被刮伤，部分铁被空气氧化，生成的Fe2+（可以）立即被锌还原成铁，这样避免了锈蚀。4) This information is consolidated into a single diagram, in whi

19、ch the highest oxidation state is written at the left, and the lowest state at the right.这一知识（可以）统一为专门的图示，即高氧化态写在左边，低氧化态写在右边。5) Materials which are generally accepted as oxidizing agents have E0 values above +0.8 Volts, those such as Fe3+Fe2+ of about 0.8volts are stable (equally oxidizing and reduc

20、ing), and those below 0.8 volts becoming increasingly reducing.通常作为氧化剂的材料其（还原电势）E0大于0.8V，以及那些如Fe3+Fe2+等于0.8V的材料是稳定的（氧化和还原反应趋势相等），而那些还原电势低于0.8V的材料还原性增加。6) Since the zinc reaction in the forward reaction produces a larger negative potential, that is liberates more energy, the spontaneous reaction is 由

21、于锌的正向反应产生较大的负电势，也即释放较多能量，则自发反应是 Lesson 4 VocabularyPetroleum pitrulim 石油Geologicdildik adj.地质(学)的Prohibitiveprhibitiv adj.禁止的，抑制的Homologous hmlsadj.相应的，类似的，同源的Ingenuityndinjuiti n.机灵, 独创性, 精巧, 灵活性Terminologyt:minldi n.术语学Acquisition kwizinn.获得，获得物Nomenclature numeklt n.命名法，术语Systematizesistimtaiz v.

22、 系统化Procurement prkjumentn.获得，取得Lubricant lju:brikntn.润滑剂Aliphatic liftik adj. 脂肪族的Aromatic rumtik adj. 芳香物族的benzenebenzi:n n.苯biological baildikl adj.生物学的isolationaislein n.隔绝, 孤立, 离析Elaborate Ilbreit adj. 精心制作的, 详细阐述的, 精细 vt.精心制作, 详细阐述v.详细描述Painstaking peinzteiki n.苦干, 辛苦 adj.辛苦的, 辛勤的, 艰苦的criteria

23、 n.标准empirical empirikl adj.完全根据经验的, 经验主义的, 化实验式molecular mulekjul adj.分子的, 由分子组成的coincide kuinsaid with vi. 一致, 符合assignment sainmnt n. 分配, 委派, 任务, 作业unambiguous ,nmbijus adj.不含糊的, 明确的Standpoint stndpint n.立场，观点需要掌握的词和短语organic chemistry 有机化学organic compound 有机化合物homologous series of compounds同系物al

24、iphatic compounds 脂族化合物aromatic compounds芳香族化合物benzene derivative 苯衍生物empirical formula 实验式，经验式molecular formula 分子式structural formula 结构式molecular weight 分子量qualitative analysis 定性分析quantitative analysis定量分析常用短语 be formed through be derived from be described as be defined as be entitled be divided

25、into In summary句子理解1) Once the structural relationships of certain typical members of a particular group or family of compounds are understood, these structural features are understood for any one of the many members of the family, even though some may not be known compounds. 一旦了解了某一特定类或族中典型化合物的结构关系

26、，则可以推断这一 族中任一化合物的结构特点，（包括）那些（即使）未知化合物的结构特点。2) Another important phase of the study of organic chemistry is communication, or exchange of information, among organic chemists. Study 此处为 研究 Phase 方面3) This science of nomenclature numeklt has received considerable attention during the development of org

27、anic chemistry, and it will constitute a second important topic for consideration in connection with each homologous series of compounds to be studied.这种命名法在有机化学的发展过程中受到相当重视 ，它将构成研究每一同系物时要考虑的第二个重要主题4) A third important topic for consideration in connection with each homologous series of compounds is

28、 procurement prkjument . 与各种同系物相关的第三个主题是（如何）制取（该类物质）。5) Many organic compounds, as pointed out earlier, are naturally occurring. It is more often used, however, to mean the chemical process of changing or converting an available compound into the desired compound, either in the laboratory or on a la

29、rger scale, as in a manufacturing plant. 合成一词是指由较小的单元构筑某种分子。然而更常用的是指在实验室或生产规模的，由已知物质转化成所要求的某种物质的化学过程。6) In order that the above conversion of one compound to another may be accomplished, the chemical properties of each compound must be understood. 为使上述转化（由一种物质转化成另一种物质）能够实现，必须了解每一种物质的化学性质。7) Again, the solution of this problem would be impossible were it not for the fact that the chemical properties of a family of compounds are documented, thus making it possible to predict the chemical properties of any member of the family, even tho