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In order to recover the tungstenic dust, sodium carbonate was added to it and smelting test was carried out in a 0. 1MVA electric arc furnace.

要为回收钨,利用钨0.1MVA电炉内进行了回收试验,制成粗钨

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footworn, footy, foozle, foozlt, fop, fopen, fopling, foppery, foppish, foppishly,

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3G, 401(K), a,

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麻省理工魔术背后的化学

Now in water sodium carbonate breaks apart into CO3 2- 2? HC03 - and OH - HCO? ?

在水中碳酸钠分解为CO?OH?

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VOA英语_科技

We usually try to combine this sodium carbonate with the bleaching solution and precipitate out a powder.

我们通尝试把这种碳酸钠经过漂白的溶液结合,然后沉淀出粉末。

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报》(文章版)

Lake Magadi provides more sodium carbonate – used in cleaning products, food production and glass manufacturing – than anywhere else in Africa.

马加迪湖提供的碳酸钠--用于清洁产品、食品生产玻璃制造--比非洲其都要多。

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历年英语六级阅读真题

Bats, swallows, and more are chemically preserved in the pose in which they perished, sealed in the deposits of sodium carbonate in the water.

蝙蝠、燕子更多的动物遗骸以化学式保存成它们死亡时的姿势中,被封存在水中碳酸钠的沉积物中。

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for all the world, for all time, for all X, for anything, for certain, for ever, for example, for fear that, for free, for good,

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3G, 401(K), a,
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