铅室法

In the old lead chamber processnitrogen dioxide (NO2) was used for the oxidation though in practice mixtures of nitrogen oxides were used.

早期的铅室法工艺中用二氧化氮来氧化二氧化硫，尽管在实际生产中用的是氮氧化物的混合物。

Before the wide spread adoption of contact process, the chamber process was used.

在接触法普遍采用之前，使用铅室法。

Lead chamber process was improved continually in development henceforth.

此后，铅室法在发展中不断得到完善。

Methods: Output factors of lead block fields were measured for four standard applicators under various electron beam energy.

用电离室法实测在各种能量下对四种限光筒的不同铅挡野的射野输出因子。

Six years later, John Roebuck in England adapted principium of nitroso process to build up a 6ft (1.89m) square lead-line chamber and carried out nitroso process reaction inside.

经过6年后，按亚硝基法原理，英国人丁·罗巴克在伯明翰建成一座6ft(1.89m)见方的铅室，在铅室内进行上述亚硝基制酸反应，成为世界上最早的铅室法制酸工厂。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。