"单质"是个多义词,它可以指单质(同种元素组成的纯净物),单质(节庆用品品牌)。
察觉其主要成分气体(Gas)A易溶于水;将A的溶液与二氧化锰共热时,天生一种黄绿色的气体单质(Simple substance)B,我从来不在不该浪费的地方浪费我们的时间。
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碳及其化合物 1、单质(elementary substance): A、可燃性:C+O 2 CO 2 ;2C+O 2 2CO; B、氧化性:C+Si CSi; C、还原性:C+2CuO 2Cu+CO 2 ↑;2C+SiO 2 Si+2CO↑; C+ 4HNO...
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...;电子、电工产品加工; 绝缘材料; 五金工具加工; PBT; PPS; LCP; PA; PC; POM; PMMA; ABS、PS; TPR、TPE; TPU、EVA; PE、PP;单质; LED背光源;CCFL背光源;数码管;LED灯;其他电子OEM加工;液晶器件 ..
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那么欧罗巴上的沉积物中也有单质硫吗?
花点时间去删减你的责任吧,你的生活会变得无比简单质朴。
Take the time to edit your commitments, and your life will be greatly simplified.
博勒普通道冰原上单质硫沉淀存在的重要意义在于,这是生命存在的信号。
The very presence of elemental sulfur deposits on the ice in Borup Pass is an indicator that life is likely there.
Now in this particular reaction, I've got hydrogen gas, iron solid. Those already are elements in their most stable forms at room temperature and pressure.
特定的反应中,我有氢气,固态铁,这些都已经是,处于室温和常压下,最稳定的元素单质。
Well, I need to write the reaction that forms that compound from it's elements, right?
我需要写出从元素单质生成,这种化合物的反应,对吧?
Iron as an element is a solid. That's it's most stable state at room temperature and pressure, right, and so on. And then we can figure out heats of formation.
铁单质是固态,这是他在室温和常压下,最稳定的状态,然后我们,可以算出生成热,现在这个。
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