英语翻译A chemical that has a median lethal dose (LD50) of more than 50 milligrams per kilogram but not more than 500 milligrams per kilogram of body weight when administered orally to albino rats weighing between 200 and 300 grams each.

英语翻译All chemical engineers have a stake in making our industry safer so that its public image as well as its profitability improves. 英语翻译NOTE:The use of a central chemical storage area for locating unused chemicals is recommended for efficient use of chemicals.Chemicals that cannot be used should be placed in a staging area (temporary accumulation area).Each laboratory mus 英语翻译Polymorphism（or crystal Polymorphism ）is a phenomenon related to the solid state; it is the ablity of a compound in the solid state to exist in different crystalline forms having the same chemical composition.Substances that exist in 英语翻译5:Casting RepairWelding repair will not be allowed external defects may not be covered over with metal fibers6:reportsThe supplier shall keep a record of the sample chemical analysis and mechanical tests taken to assure that the compositi 英语翻译inrecent years,there has been a rapid accumulation of evidence that manydisorders are related to biochemical abnormalities,especially unusually highor low levels of neurotransmitters – chemical substances (or messengers)involved in the 英语翻译C2 Chemicals and Hazardous Substances .HP's Supplier Code of Conduct states that “chemical and other materials posing a hazard if released to the environment are to be identified and managed to ensure their safe handling,movement,storag 英语翻译C2 Chemicals and Hazardous Substances .HP's Supplier Code of Conduct states that “chemical and other materials posing a hazard if released to the environment are to be identified and managed to ensure their safe handling,movement,storag Trees can then protect themselves by producing a chemical that 什么 their leaves taste nasty.自填词 注意语法 英语翻译Bio-orthogonal chemical reactions between two exogenousmoieties in living beings are sought after tools that havepowerful applications in chemical biology,molecular imaging,and medicine.[1–4] The exquisite selectivity of these reactions 麻烦把这段英文翻译成中文```谢谢!the company concerned is a national and international chemical manufacturer that has over 500 locations globally and in excess of 200 chemical processing plants and stores. The latter is expanding rapidly The news is disappointing that a chemical works is to be built in the west of the city .这是什么句型 是什么从句that引的什么从句? 英语翻译（1）Given that many people’s moods（情绪）are regulated by the chemical action of chocolate,it was probably only a matter of time before somebody made the chocolate shop similar to a drugstore of Chinese medicine.Looking like a s 英语翻译The current situation with chemical analysis in air quality control activities is characterized by a mismatch between the prospects opened by integration of semiconductor chemical sensors into analytical practice and the limited possibili 英语翻译198045.Never before 【has（A）】 【so many（B）】 people 【in（C）】 our country been 【interested in（D）】 athletic sports.46.【Those（A）】 of us 【who（B）】 【work（C）】 in that chemical plant should have 英语翻译Dear Sirs,Your claim No.145With reference to your claim No.145 for a short weight of 1120kg.Chemical Fertilizer,we wish to express our much regret over the unfortunate incident.After a check-up by our staff,it was found that some 28 bags 英语翻译A chemical that has a median lethal dose (LD50) of more than 50 milligrams per kilogram but not more than 500 milligrams per kilogram of body weight when administered orally to albino rats weighing between 200 and 300 grams each. 英语翻译isofelt is our line of thermo-acoustic insulation which has a wide range of use.completely fire resistant,biosoluble,waterproof,containing no chemical agents that could generate fumes in the case of a fire,and can also be used in applicat 英语翻译what price would you set for a new product?your company has just been appointed the Australia agent for slippery seals inc.the seals are suitable for use in valves that carry various types of acids.A chemical plant uses 40 seals to seal v