There was a place in which from the earth there came-- it wasn't steam, what would it be?
在那里有个地方,从地下能冒出,似乎不是蒸汽,是什么来着
And there is a preserved steam railway down
而且那里有一个保留下来的蒸汽火车,
One-third of every steamboat built in the United States before 1850 exploded and destroyed became a wreck.
850年以前,美国制造的每三艘蒸汽船,就有一艘爆炸或毁坏,彻底地报销
So, if you start with sodium vapor and chlorine gas, electron transfer will occur.
所以,如果从以钠蒸汽和氯气开始,电子传递就会发生了。
Now, if you're an engineer, and you use the ideal gas law to design a chemical plant or a boiler or an electrical plant, you know, a steam plant, you're going to be in big trouble.
比如说锅炉,蒸汽机,我们会遇到一个大问题:,我们设计的机器将无法运作,因为对大部分实际气体。
In addition to studying molecules and making molecules, some chemists Tim Swager want to detect molecules, and a chemist who likes to detect molecules TNT is Tim Swager. So, Tim Swager's lab has designed sensors that detect vapors, Fido and so they will detect TNT, for example.
除了研究和制备分子,有些化学家想要探测分子,其中的一位就是,他的实验组设计了用来探测蒸汽的感应器,可以用来检测比如说,而且他把化学应用到这个机器人手臂里,他们叫它。
Steamboats became the romantic symbol of this great transportation revolution and all of this movement.
蒸汽船成了浪漫的象征,代表着伟大的交通革命及其所有运动
Steamboats were wonderful and exciting and romantic.
蒸汽船是如此美妙,令人激动及浪漫
When you go down the highway and you look up and see those sodium vapor lamps, the sodium vapor exists as the dimer Na2.
你在下高速公路时,会看到一些钠蒸汽灯,蒸汽灯中钠就有以Na2存在的。
应用推荐