The catalyst used is one three-metal system including palladium chloride, ferric chloride and the chloride of one first main group element.

所用的催化剂是由氯化钯和三氯化铁加上第一主族元素的氯化物中的一种组成三金属体系。

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One of my favorite show-off tricks is to do a complete bare-metal system rebuild, using only a Tom's Root Boot disk and an Internet connection.

我最喜欢表演的戏法是只用一张Tom的Root boot盘和网络连接完成裸机系统的重建。

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The catalyst systems, such as copper system and noble metal system, for hydrogen production by methanol steam reforming are especially discussed.

重点讨论了甲醇水蒸气重整制氢催化剂体系：铜系催化剂和贵金属系催化剂。

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So, if we want to go from that stable state to that less stable state, we need to put in a certain amount of energy to our system, that difference between the free electron and the electron bound to the metal.

所以，如果我们想使电子,从稳态到达不够稳定的状态，我们需要引入一定数量的,能量到系统中，即自由电子和束缚于金属的,电子的能量差。

麻省理工公开课 - 化学原理课程节选

As on the previous floor, there was an improvised system of metal pipes to remove the exhaust from a gas heater.

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It is a system of metal construction where parts can be attached to each other, which is often used in industry to build prototypes.

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The bq500410A achieves greater than 70-percent efficiency, and relies on a unique parasitic metal and foreign object detection feature to safely protect the system and stop delivering power if a metal object is detected between the transmitter and receiver.

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