查询词典 cracking

Commonly used as stem materials in pressure-rated ales, silicon bronze has greater resistance to stress corrosion cracking than common brasses.

通常在压力等级阀门中作为阀杆材料使用。在防止金属超压力引起的腐蚀造成的断裂方面，硅青铜比常见的黄铜具有更好的性能。

Soon we could hear their footfalls as they ran, and the cracking of the branches as they breasted across a bit of thicket

很快我们已可以听到他们奔跑的脚步声，以及丛林中的树林遭到他们横冲直撞发出的断裂声。

Soon we could hear their footfalls as they ran, and the cracking of the branches as they breasted across a bit of thicket.

很快我们就能听到他们奔跑的脚步声，以及他们横冲直撞时林中树枝的断裂声。

The way to stop concrete cracking is to bung up small cracks before they enlarge.

抑制混凝土继续开裂的方法是在小裂缝扩大之前把他们填满。

And has very high thermal and hydrothermal stability. When it is used to prepare catalyst, under catalytic cracking condition, the output rates of ethylene and from ethylene to butylene can reach more than 18% and more than 50% respectively.

该分子筛的结构和活性中心具有很高的热和水热稳定性，它的最显著的特点是，用其制成的催化剂在催化热裂解条件下，乙烯产率可达18％以上，乙烯～丁烯产率可达50％以上。

Butylene catalytic cracking over ZSM-5, SAPO-11, and MCM-22 catalysts in a continuous flowing fixed bed reactor was investigated.

在常压连续固定床反应器上考察了ZSM-5、SAPO-11和MCM-22分子筛的1-丁烯催化裂解性能。

"Rare in nature, olefins are obtained by the cracking of petroleum fractions at high temperatures. The simplest ones (ethylene, propylene, butylene, butadiene, and isoprene) are the basis of the petrochemical s industry."

烯烃在自然界很稀少，但在石油裂解成汽油过程中可大量生成，低级的单烯烃已成为庞大的石油化学工业的基础。

"Rare in nature, olefins are obtained by the cracking of petroleum fraction s at high temperatures. The simplest ones (ethylene, propylene, butylene, butadiene, and isoprene) are the basis of the petrochemicals industry."

烯烃在自然界很稀少，但在石油裂解成汽油过程中可大量生成，低级的单烯烃已成为庞大的石油化学工业的基础。

"Rare in nature, olefins are obtained by the cracking of petroleum fractions at high temperatures. The simplest ones (ethylene, propylene, butylene, butadiene, and isoprene) are the basis of the petrochemicals industry."

烯烃在自然界很稀少，但在石油裂解成汽油过程中可大量生成，低级的单烯烃已成为庞大的石油化学工业的基础。

It uses two normal-pressure fluidized beds and makes the material circulate between the two beds, the fluidized bed boiler produces steam and the fluidized bed coal cracking furnace is used for pyrolyzing coal powder to produce meidum caloricity coal gas; the heat quantity needed for coal pyrolysis is provided by hot ash acted as heat carrier.

流化床煤气－蒸汽联产工艺及装置，它采用两个常压流化床，使物料在两床之间循环，流化床锅炉产生蒸汽，流化床煤裂解炉用来热解粉煤，产生中热值煤气；热灰作为热载体提供煤热解所需的热量。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我