In this paper, numerical simulation for TiN films generated on titanium surface using laser gas alloying (LGA) method is performed by finite difference method.

本文用有限差分法对金属钛表面脉冲激光生成氮化钛薄膜过程的温度场进行了三维数值模拟计算。

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The laser gas analyzer was applied to ironmaking process of blast furnace successfully, and meets the needs of gas analysis very well in blast furnace process control.

激光原位气体分析仪在高炉炼铁过程中的成功应用，表明了该仪器很好地满足了高炉炼铁过程气体检测的需要。

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The effects of gas mixture ratio, gas passivation, optical window deposition and laser gas storage time on the lifetime of a transverse flow XeCl excimer laser were studied in detail.

本文研究了混合气体比例、气体钝化、窗口污染和存放时间对横向流动氯化氙准分子激光器寿命的影响。

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The element to be purified is first incorporated into a chemical that can be turned into a gas. (In this case, the exact compound is still proprietary information.) Then an infra-red laser is shone through the gas.

ECONOMIST: Diamonds

The laser sensor can be reset by a blast of nitrogen gas.

BBC: Plastic lasers shed light on hidden explosives

Those made by his firm use advanced laser-fluorescence technology: more accurate, simpler, cheaper and more robust, he says, than the gas-chromatography apparatus in common use so far.

ECONOMIST: Doom and gloom are not universal