英语翻译If a free carbon atom were to form 2 covalent bonds with two free hydrogen atoms it has been calculated that about 1028KJ/mol of energy would be released.To promote a 2s electron in carbon to a 2p orbitals(excitation energy )and then to h

英语翻译If a free carbon atom were to form 2 covalent bonds with two free hydrogen atoms it has been calculated that about 1028KJ/mol of energy would be released.To promote a 2s electron in carbon to a 2p orbitals(excitation energy )and then to h 英语翻译Low-cost quasi-solid-state dye-sensitized solar cells based on a metal-free organic dye and a carbon aerogel counter electrode中metal-free怎么翻译才好呢? carbon dioxide-free water怎么翻译啊. carbon please come to my party if you__this evening.A will be free B be free C are free 选哪个 英语翻译If you love something very very much ,let it go free .If it does a heavy carbon footprint是什么意思 If the () of carbon dioxide in the atmosphere is increased as a result of air pollution.ArateBproportionCextentDamount I have to finish the report.If I ______ tomorrow,I would help you.A should be free B am free C will be free D is free how is it possible to use carbon dating to determine the age of a fossil if the among of Carbon-14 has already decayed?How do you know what the initial amount of Carbon 14 was?Show the beta decay of a carbon 14atom.大意就是 怎么用炭14去确 英语翻译If we free the criminal,even partly,from accountability,we become a society of endless excuses where no one accepts responsibility for anything. 英语翻译If machine was by made in Japan,and consignee could support documents which cargo exported before to make a prove,import will be available by free Tax. 英语翻译Perhaps if such techniques had arisen earlier,we would now be living in a world free from instruction sets and fetch-execute bottlenecks! 英语翻译Everyone in Britain should have an annual carbon ration and be penalised if they use too much fuel,according to the head of the Environment Agency.Lord Smith of Finsbury believes that implementing individual carbon allowances for every pe 英语翻译Are you really being lnvited?If someone asks if you are free at a certain time and invites you to an event,you are not required to commit yourself until you know what the invitation is for.For example,if you say that you’re free and the 英语翻译.英译汉Less heat is lost at night,for that reason,than would be lost if carbon dioxide were not present in the atmosphere. 英语翻译oath emotion depends on your minds and life will be free if you aye flexible 英语翻译Steel is an alloy of iron and carbon with other elements added to produce specific properties.the various types of steel can be grouped under two major headings.carbon steel .a steel in which the main alloying element is carbon .carbon st