西南大学 化学专业英语 课件02.ppt

1、Vocabulary 1.concern I vt. (1)涉及， 对.有关系，影响 He doesnt bother about things that dont him. 对那些于他无关的事他不去烦心。 This s us deeply. 这事对我们关系极大。 （2）使关心， 使挂念， 使担心 oneself with state affairs 关心国家大事 be concerned about 关心， 挂念 be extremely ed over (或at ) sth. 为某事忧虑重重,n.(1) (利害）关系；所关切的事;（口）事物 have no with sth. 同某事无关

2、(2) 关心, 关怀, 担心, 忧虑,挂念 concerned a. (1) 有关的 all parties 有关各方 (2) 关切的, 担心的: with a air. 带着关切的神情. concerning prep. 关于,2. Mineral n.(1) 矿物,矿石 (2)化无机物 a.(1)矿物的,矿石的 (2) 无机的 :acid 无机酸 3. Strike 过去式: struck 过去分词: struck 或 stricken 4. isolate isolated double bond 孤立双键 isolated system 孤立体系,5. cellulose seljul

3、ous n. 植物纤维物质; 化 纤维素 cellulose acetate 醋酸纤维素 cellulose sulfates 硫酸纤维素 cellulous a.生 细胞的，构成细胞的 6. fat fatty a. 脂肪的,油脂的 fatty acid 脂肪酸 fatty acid amide 脂肪酸酰胺,7. Alkali n. 化碱,强碱 alkalify vt. 加强碱于 alkaline a. 碱的, 含碱的,碱性的 alkalinity n. 化 碱度, 碱性 碱金属: alkali metal 碱土金属: alkali(ne) earth metal 碱浴: alkaline

4、bath 碱 水解: alkaline hydrolysis,8. glycerin(e) 甘油 glycerol 甘油 甘油三乙酸酯: glycerin triacetate 甘油三硝酸酯: glycerol trinitrate 9.Nucleus (复 nuclei) n.原 (原子)核 环上取代的: nucleus substituted 环上取代反应: nucleus substitution,核酸: nucleic acid 核素: nuclein 核子: nucleon 亲核试剂: nucleophile 亲电试剂: electrophile 亲水物: hydrophile hy

5、drophilic group 亲水基团 hydrophobic sol 憎水溶胶,chirality n 手性,手征性 chiral 手性(的) 手性催化剂: chiral catalyst 手性中心: chiral center 手性配合物: chiral coordination compound 手性分子: chiral molecule 手性试剂: chiral reagent 手性分离: chiral separation,It is concerned with substances that occur naturally-the minerals of the earth,

6、the gases of the air, the water and salts of the seas, the chemicals found in living creatures and also with substances created by humans,It is concerned with natural changes-the burning of a tree that has been struck by lightning, the chemical changes that are central to life and also with new tran

7、sformations invented and created by chemists,Chemists are involved in two different types of activity. Some chemists investigate the natural world and try to understand it, while other chemists create new substances and new ways to perform chemical changes that do not occur in nature.,Only in the la

8、st century have chemists learned the detailed chemical structure of these natural color. 倒装句 Only in this way can we wipe out the enemy troops.,In this process the cellulose of wood-a chemical compound containing carbon, hydrogen and oxygen all linked by chemical bonds-undergoes a chemical reaction

9、that breaks the hydrogen and oxygen away as water and leaves the carbon behind as charcoal.,Modern chemistry is devoted to understanding the chemical structure and properties of natural chemical and of chemical created by building on what nature has supplied.,Covalent bonds, in which two atoms are held together by