LOGO English for Chemists lesson 2 GV: Châu Nhật Bằng Trường: ĐH Bà Rịa – Vũng Tàu www.themegallery.com 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 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 [...]... tennis; however, I hate golf adverb 3 Semicolon I enjoy tennis; I hate golf www.themegallery.com Grammar of sentences Coordinators Conjunctive adverbs Sentence and moreover besides… You study English at school; moreover, you should watch TV in English at home but however nevertheless Ihave learnt English for a long time; however, I can not speak well or otherwise I try hard to study English; otherwise, . sentences Coordinators Conjunctive adverbs Sentence and moreover besides… You study English at school; moreover, you should watch TV in English at home. but however nevertheless Ihave learnt