C. The quench is performed with aqueous sodium hydrogen carbonate and ethyl acetate.

三是演出的淬火、乙酸乙酯碳酸氢钠水溶液。

Formed as a sublimate (mixed with ammonium hydrogen carbonate) when calcium carbonate and ammonium sulfate (or chloride) are heated together.

当碳酸钙与硫酸铵(或氯化铵)一起加热时，生成的升华物(与碳酸氢铵混合)。

The paper briefly introduced new preparation technology of the wider application of white carbon black which is made by the material of water glass and ammonium hydrogen carbonate .

研究了白炭黑新的制备技术，即采用以碳酸氢铵和水玻璃为原料制备白炭黑。

Water, containing dissolved calcium hydrogen carbonate, passes through the limestone and drops evaporate on the stalactite, increasing its length with a deposit of calcium carbonate.

含有溶解碳酸氢钙的水通过石灰石滴在钟乳石上蒸发，随着碳酸钙沉积物的增加不断增加着它的长度。

Gypsum, ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research, to produce potassium sulfate, potassium ammonium chloride and calcium carbonate.

以石膏、碳酸氢铵和氯化钾为原料，生产硫酸钾、氯化铵钾和碳酸钙，原料综合利用充分，经济效益好。

Some of this carbon dioxide is absorbed by ocean water, altering the proportion of hydrogen and carbonate ions, and making the water more acidic.

一些二氧化碳会被海水吸收，改变海水中氢和碳酸盐离子的比例，使得海水酸化。

Ocean acidification has further chemical implications: more hydrogen ions mean more bicarbonate ions, and fewer carbonate ions.

海洋酸化还会进一步引起连锁化学反应：更多的氢离子意味着碳酸氢根离子多了，而碳酸根离子少了。

Molten carbonate fuel cell (MCFC) is an energy conversion device that converts chemical energy into electricity by oxidation of hydrogen or fossil fuels.

熔融碳酸盐燃料电池(MCFC)是一种通过氢或矿物燃料的氧化将化学能直接转化成电能的能源转化装置。

The oxidizers are hydrogen peroxide, molecular oxygen, hypochlorite, organic peroxide, carbonate and so on.

所用的氧化剂有过氧化氢、分子氧、次氯酸盐、有机过氧化物、碳酸盐等。

Reducing content of hydrogen effect of fluoride, carbonate, active chide and rare earth oxide in weld by self-shielded flux-cored wire with CaF2-TiO2 MgO slag system is investigated.

探讨氟化物、大理石、高价氧化物和稀土氧化物在氟钙钛渣系自保护药芯焊丝中的降氢机理。

The invention relates to a hair dyeing method starting from a composition comprising at least one ortho-diphenol, one metal salt, hydrogen peroxide, (bi)carbonate and a basifying agent.

本发明涉及由包含至少一种邻-联苯酚、一种金属盐、过氧化氢、碳酸（氢）盐和碱化剂的组合物出发进行染发的方法。

A green method for ceric hydroxide synthesis with cerium carbonate and hydrogen peroxide as main raw...

以碳酸铈和醋酸为主要原料，最后获得氢氧化铈和醋酸钠。

The invention relates to a novel process of joint production of sodium carbonate and hydrochloric acid (or hydrogen chloride), belonging to the field of basic chemical industry.

本发明是一种纯碱和盐酸(或氯化氢)联合生产的新工艺，属基础化工领域。