碳酸钠

In this paper, acetylsalicylic acid has been synthesized by microwave radiation, taking anhydrous sodium carbonate as catalyst.

本论文采用微波方法合成阿司匹林，用无水碳酸钠作催化剂，研究了微波在有机合成中的应用及其加热原理。

The effect of sodium carbonate on the corrosion inhibition of aluminum alloy in sodium chloride solution was investigated by SEM and electrochemical means.

应用电化学实验方法和扫描电子显微镜研究了碳酸钠在氯化钠溶液中时铝合金的缓蚀作用。

Below is a new process of synthesizing ammonium alum by means of semifinished aluminium sulfate and the mother liquor from the preparation of sodium carbonate through double decomposition as raw materials.

研究了以芒硝复分解法制碳酸钠的母液和粗品硫酸铝为原料合成铵明矾的工艺，找出最佳工艺条件，产品质量达到国家标

To study the performance of inorganic composite catalyst for the SPC oxidation of p-methyl anisole, Cu2-Co2-KBr is used as catalyst of sodium percarbonate oxidation for p-methyl anisole synthesized by paracresol methylating. Effect of reaction conditions, such as the factors of catalyst composition, catalyst quantity, solvent, reaction temperature and time on oxidation of p-methyl anisole, is investigated.

研究了无机复合催化剂催化SPC氧化对甲基苯甲醚的反应性能：以Cu2-Co2-KBr为催化剂，利用过碳酸钠氧化对甲酚甲基化产物对甲基苯甲醚，系统研究了催化剂组成比例、催化剂用量、溶剂、反应温度、反应时间等因素对反应的影响。

The anolyte was acidified by the source gas. The effect of temperature, feed concentration of H〓S and CO〓, and gas and liquid flow rates were investigated.

结果表明，通过控制工艺条件，采用碳酸钠溶液选择性吸收混合气中的硫化氢是可行。

One of the most widely employed materials of the chemical industry, it is used in manufacturing chlorine, caustic soda, sodium carbonate, bicarbonate of soda, soap, and chlorine bleach, as well as in ceramic glaze s, metallurgy, food preservation, curing of hides, road de-icing, water softening, photography, and many consumer products, including mineral waters, mouthwashes, and table salt itself.

氯化钠是化学工业最广泛使用的材料之一，用于制造氯、氢氧化钠、碳酸钠、碳酸氢钠、含氯聚合物，另外在陶瓷釉、冶金、食物保存、皮肤消毒、道路除冰、水的软化、照相及许多消费商品、调味用。

One of the most widely employed materials of the chemical industry, it is used in manufacturing chlorine, caustic soda, sodium carbonate, bicarbonate of soda, soap, and chlorine bleach, as well as in ceramic glazes, metallurgy, food preservation, curing of hides, road de-icing, water softening, photography, and many consumer products, including mine ral waters, mouthwashes, and table salt itself.

氯化钠是化学工业最广泛使用的材料之一，用于制造氯、氢氧化钠、碳酸钠、碳酸氢钠、含氯聚合物，另外在陶瓷釉、冶金、食物保存、皮肤消毒、道路除冰、水的软化、照相及许多消费商品、调味用。

One of the most widely employed materials of the chemical industry, it is used in manufacturing chlorine, caustic soda, sodium carbonate, bicarbonate of soda, soap, and chlorine bleach, as well as in ceramic glazes, metallurgy, food preservation, curing of hides, road de-icing, water softening, photography, and many consumer products, including mineral waters, mouthwashes, and table salt itself.

氯化钠是化学工业最广泛使用的材料之一，用于制造氯、氢氧化钠、碳酸钠、碳酸氢钠、含氯聚合物，另外在陶瓷釉、冶金、食物保存、皮肤消毒、道路除冰、水的软化、照相及许多消费商品、调味用。

One of the most wi de ly employed materials of the chemical industry, it is used in manufacturing chlorine, caustic soda, sodium carbonate, bicarbonate of soda, soap, and chlorine bleach, as well as in ceramic glazes, metallurgy, food preservation, curing of hi de s, road de -icing, water softening, photography, and many consumer products, including mineral waters, mouthwashes, and table salt itself.

氯化钠是化学工业最广泛使用的材料之一，用于制造氯、氢氧化钠、碳酸钠、碳酸氢钠、含氯聚合物，另外在陶瓷釉、冶金、食物保存、皮肤消毒、道路除冰、水的软化、照相及许多消费商品、调味用。

In dephosphorising and desulfurizing process, fusing block of soda and sodium sulfate is released on the surface of molten iron at first and then remain fusing agent, with the formation of subglobular, is jetted into molten iron by submersible blowgun.

为进行脱磷和脱硫，先向铁水表面投放碳酸钠与硫酸钠的熔合块，剩余量的熔剂以接近于球状的形态用潜入式喷枪喷吹入铁水之中。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。