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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.

要为回收尘,尘灰与酸钠在0.1MVA进行了回收试验,制成粗酸钠。

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chebec, chechako, chechem, chechia, Chechin, check, check bit, check book, check in, check into,

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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? ?

分解为CO?和OH?

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VOA常速英语_科技

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

我们通常尝试把这种和经过漂白的溶液结合,然后沉淀出粉末。

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《卫报》(文章版)

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

马加湖提供的--用于清洁产品、食品生产和玻璃制造--比非洲其他地方都要多。

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Scishow 精选系列

The most common salts in Spotted Lake are magnesium sulfate, sodium sulfate, and sodium carbonate.

斑点湖最常见的盐是钠和钠。

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历年六级阅读真题精听

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、燕子和更多的动物遗骸以化学方式保存成它们死亡时的姿势,被封存在的沉积物

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check up on, check with, checkage, checkback, checkboard, checkbook, checkbox, checked, checker, checkerberry,

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3G, 401(K), a,
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