Now it has been done before in cement kilns.

虽然人们以前用过这种方法在水泥窑中生产混凝土。

Most of the emissions come from the process of producing clinker, the key ingredient in cement.

大部分排放来自生产水泥熟料的过程，熟料是水泥的关键成分。

That means producers like Thomas Concrete can use less cement in their mixtures and still achieve the same strength.

这意味着像 Thomas Concrete 这样的生产商可以在其混合物中使用更少的水泥，但仍能达到相同的强度。

Once it goes through the kiln it becomes a material called clinker: the key binding ingredient in cement.

一旦进入窑炉，它就变成了一种叫做熟料的材料：水泥的关键粘合成分。

The essential ingredient in cement is calcium oxide, CaO.

水泥中的基本成分是氧化钙， CaO。

Other than that, these men are locked in cement closets, all day, every day.

除此之外，这些人每天都被锁在水泥壁橱里。

China has consumed more cement than the United States in the entire 20th century.

整个20世纪，中国消耗的水泥比美国还多。

The foundations were bedded in cement.

【bed】基座埋在水泥中。

Some are investigating ways to reduce emissions by decreasing the cement in concrete.

有些人正在研究通过减少混凝土中的水泥来减少排放的方法。

On Earth, builders can add a chemical to reduce the amount of water needed in cement.

在地球上，建筑商可以添加一种化学物质来减少水泥中所需的水量。

She'd never heard of someone using it in cement, " but I thought it was worth a try" .

她从未听说有人在水泥中使用它， “但我认为值得一试” 。

Marriage is hard enough, but when you throw in cement walls, armed guards, iron bars, it tends to go downhill rather quickly.

婚姻本就不容易，当你被扔进水泥墙内，狱警前，铁栏后，婚姻状况就会急转直下。

I mean, if you got to have your hands and feet in cement, this is the way to do it.

我的意思是，如果你的手脚都必须用水泥固定，这就是做到这一点的方法。

Its aim is to be able to build things in remote areas without having to hump in cement and other materials.

它的目标是能够在偏远地区建造东西，而不必使用水泥和其他材料。

Groups of women carried water from the river, which they mixed with cement in large holes we'd dug in the ground.

成群结队的妇女从河里打水，她们将水与我们在地上挖的大洞里的水泥混合。

As part of this Victorian megaproject, the Fleet river, by then little more than an open drain, was encased in cement and lost to public view.

舰队河作为这项维多利亚时代巨型工程的一部分，当时还只是一个露天排水沟，它被用水泥包裹起来，从公众视野中消失了。

The essential ingredient in cement is calcium oxide, CaO. We get that calcium oxide from limestone, which is mostly made of calcium carbonate: CaCO3.

水泥中的基本成分是氧化钙，CaO。 我们从石灰石中得到氧化钙， 它主要由碳酸钙构成：CaCO3。

He came up with a way to pour a cement house in just six hours using molds and machinery that he developed in his mining business.

他想出了一种方法， 可以使用他在采矿业务中开发的模具和机械， 在短短六个小时内浇筑一座水泥房。

The launch of " mini programs" , the millions of third-party applications which exist within WeChat-proper, in 2017 cemented the platform as the real operating system of the Chinese internet.

2017 年“小程序”的推出，即微信内部存在的数百万个第三方应用程序，巩固了该平台作为中国互联网真正操作系统的地位。

Consciously or subconsciously, he usually chose corners of the city that held some aspect of the wild: a dried lakebed in a park, the freshly turned soil of a construction site, a weed struggling out of cracks in cement.

他通常有意识或无意识地选择城市中具有某些野性特征的角落：公园里干涸的湖床、建筑工地新翻过的泥土、从水泥裂缝中挣扎的杂草。