有人问他华氏温标下水的沸点。
水的沸点是摄氏100度。
1夸脱水和1加仑水,哪个有更高的沸点?
Which has a higher boiling point, a quart of water or a gallon of water?
你39℃摄氏度的体温是有点高,但完全没达到沸点呢。
In centigrade, your temperature is 39℃, which is a bit high, but not exactly boiling point.
另一个重要的特性是氦的独特沸点,比其他任何元素的沸点都低。
Another important attribute is the unique boiling point of helium, which is lower than that of any other element.
加热到水沸点的时候,塑料会融化。
乘以纯的物质的沸点温度的平方。
这里面有沸点或者沸腾线。
让这个温度等于,纯的物质的沸点温度。
Let's take it to be the temperature of the boiling point of the pure material.
有问题吗?关于凝固点降低,和沸点上升。
Any questions about those freezing point depression and boiling point elevation. Yes.
但是对于原始大分子却是在沸点附近容易复制。
But for primitive macromolecules to easily split apart for replication requires temperatures near boiling!
这里有巨大的能量,库仑力,高熔点与高沸点。
These are huge energies, Coulombic forces, high melting points and boiling points.
我们每个人都有不同的沸点。
在所有元素中,氦的沸点最低,只有4.2 K。
“大概235华氏度”——已经比沸点高出很多了。
因此,如此强的化学键意味着更高的熔点,和沸点。
So strong bonds means high melting points and boiling points.
更高的沸点。
物质的沸点,或者升华温度是什么?,在某个压强下?
What's the boiling point or the sublimation temperature of some material at a particular pressure?
汽油沸点低,如果倒入少许在手上,它立即就蒸发掉。
Petrol has a low boiling point; if a little is poured into the hand, it soon vaporizes.
然后他做了插值,发现水的沸点是212度。
因为R134a的沸点相对较低,温水的热量足以将它汽化。
Since R134a has a relatively low boiling point, the water is hot enough to convert it into a gas.
我们来画相图,蒸汽压下降,意味着凝固点降低,和沸点降低。
And we also drew a phase diagram to show how this vapor pressure lowering was going to imply freezing point depression and boiling point depression.
这些文件清楚的表明,韩国相信北方的内部压力已经达到了沸点。
The cables make it clear that the South Koreans believe that internal tensions in the North have reached a boiling point.
我们最后要得到沸点的改变,等于常数,不要和亨利定律的常数混淆。
We're going to find that the change in the boiling point Kb is going to be some constant K sub b, which is not to be confused with Henry's law's constant.
最终的生物燃料不仅要是一种高能量的水不溶物,而且沸点也要高于乙醇。
The resulting biofuel is not only energy-rich and water repellent but it also has a higher boiling point than ethanol.
所以,你们能想象,这就是为什么我们不能获得鐽,的沸点和导电率的原因。
So, you can imagine, that is why we don't have the boiling point of darmstadtium and its electrical conductivity.
在我的试验中,对于液态氮来说,比其沸点高几百度的皮肤就是那个平底锅。
To liquid nitrogen, flesh is like that skillet-a surface hundreds of degrees above its boiling point.
在我的试验中,对于液态氮来说,比其沸点高几百度的皮肤就是那个平底锅。
To liquid nitrogen, flesh is like that skillet-a surface hundreds of degrees above its boiling point.
应用推荐