化学需氧量(Chemical Oxygen Demand)
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美国《化学文摘》,Chemical Abstracts简称CA,是世界上著名的检索刊物之一,自称是“()”,它创刊于1907年。
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While testing a cargo tank,your oxygen indicator reads 25% oxygen in the tank. You would then ().
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英译中(Translate):chemical potential()
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总有机碳(Total Oxygen Carbon,简称TOC)
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化学沉积作用(chemical sedimentation)
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A combination combustible gas and oxygen indicator is an instrument that measures the() of both combustible gas and oxygen; each is indicated on a separate meter.
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BOD5:生物化学需氧量(biochemical oxygen demand)的简写,表示在20摄氏度,5天微生物氧化分解有机物消耗水中溶解氧量,第一阶段为碳化(C-BOD),第二阶段为消化(N-BOD)
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化学致癌物(chemical carcinogen)
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化学补偿控制 chemical shimming control
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An oxygen indicator can be used to determine if there is().
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化学风化作用(chemical weathering)
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生物需氧量(Biological Oxygen Demand)
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化学杂交剂(Chemical Hybridizing Agent,CHA)
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A chemist can _the oxygen from hydrogen in water.
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Don't touch the laboratory equipment and chemicals after entering the physical and chemical laboratories, in order to avoid personal injuries.进入理化实验室,不准触摸化验仪器及化学品,以免造成人身伤害。
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Is oxygen the only gas ( ) helps fire burn?
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Water _______ hydrogen and oxygen.
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chemical的造词理据是()
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A chemical compound that contains two atoms of oxygen and one atom of another chemical element is called ______
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\Heat and light can be given off by this chemical change\可译为\这种化学反应能放出光和热\,这种翻译方式属于被动语态翻译中的()。
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______ retain their fluid state when exposed to oxygen, but when squeezed into thin joints that block the oxygen, they set up into hard, strong adhesives.
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动脉血氧饱和度saturation of blood oxygen,SaO 名词解释
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Is oxygen the only gas______helps fire burn?
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The doctor _a tube in the patient’s nose for oxygen()