碳酸化

Taking the production process of light magnesium carbonate as a research objective, this thesis studies the inherently safe process of chemical process and provides some suggestions for improving of the inherent safe level for chemical industry.

本论文以轻质碳酸镁的制备过程为研究对象，分析了化工过程本质安全化的相关问题，并给出了提高石化企业本质安全水平的建议。

New relations of minerals, mineral paragenesis and replacement have also been found.

在岩石学研究方面，找到了霓长岩，发现了霓长岩化作用，确定了火成碳酸岩岩石的存在。

In petrology, fenite and fenitization have been identified,and the existence of igneous carbonatite has been confirmed.

在地球化学和矿床成因方面，提出了稀土稀有金属矿化与火成碳酸岩岩浆活动有成因联系的见解。

Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonatein fixed bed reactor was investigated.

以碳酸二乙酯为乙基化试剂，与苯酚在气固相条件下催化合成苯乙醚。

The main production technique of DMC contains phosgene method, ester exchange method, and the carbonyl oxidized method.

碳酸二甲酯主要生产工艺有光气法、酯交换法和甲醇氧化羰基化法。

The Plant is an important business of the country in production of potash.

鲁化是国内重要的碳酸钾生产企业之一，有固定的客户。

By spraying and coating the potassium carbonate solution onto the surface of glass spheres, the layering growth mechanism of granulating process was studied in fluidized bed.

通过在流化床中将碳酸钾溶液雾化后喷涂在处于流化状态的玻璃珠上，研究了流化床造粒过程的层式生长机理。

High-purity strontium carbonate, six water strontium chloride, nitrate strontium, strontium hydroxide, acetic acid strontium, strontium fluoride, hydrogen phosphate strontium, strontium peroxide, high-purity barium carbonate, barium acetate, high-purity hydrogen and oxygen in water 8 Barium, industrial-grade eight water barium hydroxide, barium peroxide, four water chlorination products such as the annual output of manganese 8,000 tons.

高纯碳酸锶，六水氯化锶，硝酸锶，氢氧化锶，醋酸锶，氟化锶，磷酸氢锶，过氧化锶，高纯碳酸钡，醋酸钡，高纯八水氢氧化钡，工业级八水氢氧化钡，过氧化钡，四水氯化锰等产品年产量8000吨。

Adenosine was used as the raw material, dissolved in triethyl phosphate and then esterified with thiophosphoryl chloride under 0~5℃ for 8h without water and oxgen, in alkaline condition provided by 2,6-dimethylpyridine, introducing thiophosphoryl ester to adenosine.Then superfluous triethylamine was added and reacted under 5℃ for 1h to synthesize rough 5'-AMPS.The unpurified product was appled to a DEAE Sephadex A-25 column and eluted with triethylammonium bicarbonate.

用腺苷为起始原料，溶解于磷酸三乙脂中后，在无水无氧环境中及2，6-二甲基吡啶提供的碱性条件下与三氯硫磷以0~5℃下发生酯化反应8h，将硫代磷酸酯引入腺苷，然后再与过量三乙胺在5℃下反应1h，合成粗产品，再用碳酸氢三乙胺作洗脱液，过DEAE Sephadex A-25凝胶柱纯化。

The Applications of Samarium Diiodide and Ytterbium Trifluoromethethanesulfonate in Organic Synthesis, the Applications of Bis Carbonate in Sythesis of Chloroformates

论文标题：二磺化钐及三氟甲磺酸镱在有机合成中的应用，双碳酸酯在氯甲酸酯合成中的应用

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。