The Cohesion-Tension theory of water transportation in xylem requires a continuous column of water in the vessels.

This has to do with the way a deep column of water boils.

这个深层地下水的沸腾方式有关。

When water is confined in tubes of very small bore, the forces of cohesion ( the attraction between water molecules) are so great that the strength of a column of water compares with the strength of a steel wire of the same diameter.

当水被限制在内径很小的管道中时，内聚压力（水分子之间的相互吸引力）是如此之大以致一支水柱的强度相当于一根直径相同的钢丝的强度。

In reality, such a column of water wouldn't be quite so high because here we're dealing with salt water, which is denser than fresh water.

实际上，这水柱的高度是最小的，因为我们现在讲的是海水，海水的密度大于淡水的密度。

Torricelli's work on water barometers showed that the pressure of the atmosphere could balance a column of water just over 30 feet in height.

托里切利在水银气压计方面的研究表明大气的压力可以让气压计中的水银柱上升30多英尺。

Let's accept that the pressure of one atmosphere is represented by the pressure of a column of water thirty-two feet high.

我们都承认，一个大气压力等于三十二英尺高的水柱压力。

Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher;

内聚压力理论大气压能够支持10米高的水柱，但植物可将水送得更高。

Atmospheric pressure can support a column of water up to 10 meters high.

大气压能够支持10米高的水柱，但植物可将水送得更高。

Research of dynamics of surface oxidization of 4004 alloy at a constant temperature

4004铝合金表面恒温氧化动力学研究

A constant temperature control system based on PROFIBUS-DP

基于PROFIBUS-DP现场总线的恒温控制系统

This text is based on the actual project to design a constant temperature and humidity air-conditioning system.

本文以实际工程为基础，设计一套恒温恒湿空调系统。

Keep the chemicals at a constant temperature.

把这些化学用品保持在恒温中。

Sarah, bless her, had made a cup of tea.

真得感谢萨拉，她给沏了一杯茶。

Would you like a cup of tea?

你想喝杯茶吗？

Breakfast consisted of dry bread and a cup of tea.

早餐有无黄油的面包和一杯茶。

A cup of tea? There's nothing I'd like better!

一杯茶？那最好不过了！

The flood was a danger to the livelihood of the inhabitants there.

水灾对那里居民的生计是个威胁。

The rocks are a danger to shipping.

暗礁对于航运是一个危险的东西。

Tidal wave is a danger to navigation.

海啸对航海来说是一大威胁。

He is a danger to the public.

他对于大众是个危险人物。

A dearth of technical talent seems to be another widespread problem.

缺乏技术人才则是这个行业的另一个普遍问题。