Tiếng anh cho nhà hóa học

Chia sẻ: Nguyễn Văn Tới | Ngày: | Loại File: PPT | Số trang:17

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Tài liệu tiếng anh giúp các nhà hóa học nâng cao trình độ tiếng anh, hiểu sâu hơn các kiến thức, các ký hiệu hóa học nhằm phục vụ cho công tác nghiên cứu

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LOGO English for Chemists lesson 2 GV: Châu Nhật Bằng Trường: ĐH Bà Rịa – Vũng Tàu
Vocabulary  Composition: thành phần - Paraffins - Naphthenes - Aromatics - Asphaltenes - sulfur: lưu huỳnh - oxygen, nitrogen, hydrogen - metal www.themegallery.com
Vocabulary Characteristics: tính chất  Density: tỉ trọng  API (American Petroleum Institute) gravity: độ API  Sulfur content: nồng độ lưu huỳnh  Viscosity: độ nhớt  Pour point: nhiệt độ đông đặc  Salt content: nồng độ muối  www.themegallery.com
Vocabulary Classification: phân loại  Sweet oil: dầu ngọt  Sour oil: dầu chua  Heavy oil: dầu nặng  Light oil: dầu nhẹ  www.themegallery.com
Vocabulary  OPEC Organization of Petroleum Exporting Countries  IUPAC: International Union of Pure and Applied Chemistry  SI:International System of Units (Système International d’unités)  Barrel (bbl): 1bbl= 42 US gallon=159 liters www.themegallery.com
Grammar of sentences  Clauses Clauses are the building blocks of sentences. A clause is group of words that contains a subject and a verbs Ex - chemistry is a science - when the first oil well was first drilled in 1859 These are not clauses: - after drilling the first oil well - to produce kerosene www.themegallery.com
Prefixes  Un- ( uncomfortable, uncountable, unemployed, unhappy, unlucky, unprofessional, unknown, unusual, unwell…)  In-( incorrect, inactive, inconvenient, indirect, invisible…)  Dis-(dishonest, disorder, disbelief, dislike, disagree…)  Ir-, il-, im- (irregular, irresponsible, illegal, illogical, impossible, impolite…) www.themegallery.com
Suffixes  -able, -ible (remarkable, avoidable, memorable, valuable, divisible..)  -ed (bored, shocked, pleased…)  -ing (boring, shocking, pleasing, worrying…) www.themegallery.com
Plural Noun -s 1 cat 2 cats 1 ipad 2 ipads 1 cup 2 cups 1 club 2 clubs www.themegallery.com
Plural Noun -ES when noun end with one of these sounds s z ch sh dg 1 page 2 pages 1 box 2 boxes 1 lunch 2 lunches www.themegallery.com
Plural Noun Irregular Noun Man men Woman women Child children Person People Mouse Mice Datum data Nucleus nuclei Spectrum spectra www.themegallery.com
Grammar of sentences Clauses Dependent Independent Subordinator + S + V S+V Subordinator: if, although, after, before, after, as soon as, unless, who, which, that, …. www.themegallery.com
Grammar of sentences COMPOUNDCOMPLEX COMPLEX Kind of sentences COMPOUND SIMPLE www.themegallery.com
Grammar of sentences  Simple sentence A simple sentence is one independent clause Ex: - I enjoy playing tennis with my friends every weekend - I enjoy playing tennis and look forward to it every weekend - My friends and I played tennis and went swimming this weekend www.themegallery.com
Grammar of sentences  Compound sentence A compound sentence is two or more independent clauses joined toghether 3 ways 1. Coordinator I enjoy tennis, but I hate golf. 2. Conjunctive I enjoy tennis; however, I hate golf. adverb 3. Semicolon I enjoy tennis; I hate golf. www.themegallery.com
Grammar of sentences Coordinators Conjunctive Sentence adverbs and moreover You study English at school; moreover, you should watch TV in besides… English at home. but however Ihave learnt English for a long time; however, I can not speak well nevertheless.. or otherwise I try hard to study English; otherwise, I need to find a new way to study it so consequently I have tried my best; therefore, I know I will be successful therefore thus…. www.themegallery.com
LOGO www.themegallery.com