A black magnetic mineral consists of magnesium carbonate.
一种黑色的磁性矿物，由碳酸镁组成。
Dimethyl carbonate is synthesized directly from carbon dioxide and methanol in the presence of magnesium methoxide.
报道一种在甲醇镁作用下，由二氧化碳及甲醇直接合成碳酸二甲酯的反应过程。
This method can be used to determine the calcium and magnesium in carbonate and silicate.
本方法可用于碳酸盐、硅酸盐中钙镁测定。
This paper is concerned with preparation method of nano-sized magnesium oxide from ammonium carbonate and magnesium chloride.
研究了由碳酸铵和氯化镁制备纳米氧化镁的方法。
The synthesis of magnesium pyruvate from pyruvate acid with magnesium carbonate was studied.
研究了丙酮酸与碳酸镁反应合成丙酮酸镁的工艺过程。
The mass transfer and kinetics on the preparation process of light magnesium carbonate by stream-recycling carbonation were studied.
采用循环碳化浸取制备轻质碳酸镁，对循环碳化过程进行了传质过程及动力学研究。
Salt is almost always treated with additives (magnesium carbonate, magnesium oxide, calcium silicate) to prevent it from absorbing moisture and ensure that it remains free flowing and granular.
盐几乎总与添加剂(碳酸镁、氧化镁、矽酸钙)处理来防止它吸入空气中的湿气和保护它仍然随意的流动和颗粒状。
When people complain about scaling inside their water kettles, this is caused by dissolved calcium and magnesium ions forming calcium and magnesium carbonate deposits when hard water is boiled.
民众抱怨水壶产生结垢，系硬水煮沸时其溶解性钙及镁形成碳酸钙及碳酸镁沉淀物所造成。
The mineral of the shell is almost pure calcium carbonate, with some magnesium, formed of radiating crystals.
蛋壳的矿物质几乎为纯碳酸钙，还有一些镁，形成放射状结晶。
Through experiment, the suitable process parameters that produced spherical magnesium carbonate were obtained.
通过试验，获得了制备球状碳酸镁的适宜条件。
The preparing technology of transparent magnesium carbonate and its operating conditions are discussed.
研究了以白云石为原料制备透明碳酸镁的生产工艺及操作条件。
With the concentration of magnesium and carbonate ions increasing, the grain size and crystallinity decreased and the formation of microspheres number increased.
随镁离子和碳酸根浓度的增加，晶粒尺寸和结晶度降低，形成微球数量增加。
The reaction mechanism of carbonation for the production of light magnesium carbonate from dolomite is discussed.
探讨了白云石碳酸化法生产轻质碳酸镁过程中碳酸化反应机理。
Some amorphous magnesium carbonate existed in the detergent product as shown by FT-IR analysis.
红外谱图结果表明，磺酸镁清净剂产品含有无定形碳酸镁。
Scale analysis indicates that the scale mostly consists of calcium carbonate, a little of iron scale and magnesium carbonate.
经过垢样分析，结垢主要为碳酸钙、少量铁垢及碳酸镁垢。
The influence of magnesium basic carbonate on MgO activity and particle size under conditions of different calcining time, calcining temperature and surface active agent.
碱式碳酸镁在不同的锻烧时间、锻烧温度、加表面活性剂等各种条件对氧化镁活性及粒度的影响。
And then, "311-a" optimum compound design was used to study on remediation of cadmium contaminated soil with calcium carbonate, calcium magnesium phosphate and humic acid.
然后采用“311—a”最优混合设计，研究碳酸钙、钙镁磷肥、胡敏酸组合配比对治理土壤镉污染的效果。
During the reaction, the dispersant of butanethiol can effectively confine the grownup of magnesium carbonate, disperse and stable the suspend liquid of magnesium carbonate.
在液相反应过程中，加入丁硫醇作为分散剂能很好的抑制碳酸镁沉淀生长，并有效分散稳定生成的碳酸镁沉淀。
This technology changes the ore into magnesium, calcium carbonate and compound fertilizer through calcination, separation, carbonization and roasting.
该工艺将矿石通过煅烧、分离、碳化、焙烧等过程，加工成镁、碳酸钙和复合肥。
Only the powder crystal of ammonium magnesium carbonate tetrahydrate prepared was reported in previous literature, but there was no report on the synthesis of its single crystal.
对于碳酸镁铵的合成，通过查相关资料，前人仅制得该物质的粉末晶体，并未见有合成单晶的报道。
Securoc C10. This new flame retardant is based on hydrated calcium magnesium carbonate.
这种新型材料使用的基础材料是水合钙镁碳酸盐。
Zehui Chemical magnesium Industry Co., Ltd., with yearly output of magnesium carbonate reaching 20000 tons, magnesia, 15000 tons, magnesium hydroxide, 15000 tons.
泽辉化工镁盐有限公司，年产碳酸镁20000吨，年产氧化镁15000吨，年产氢氧化镁15000吨。
The dolomite of Hualishan ore area is carbonate that composed by dolomite, it is the composite salt rock of calcium carbonate and magnesium carbonate.
花梨山矿区白云岩是以白云石为主的碳酸盐岩，是碳酸钙和碳酸镁的复盐岩石。
The synthesis principle, method and influential factor of spherical magnesium carbonate were discussed in this paper.
本文探讨了以白云石为原料合成球状碳酸镁的原理、方法及影响因素。
Zehui I Chemical magnesium Industry Co., Ltd., with yearly output of magnesium carbonate reaching 20000 tons, magnesia, 15000 tons, and magnesium hydroxide, 15000 tons.
泽辉化工镁盐有限公司，年产碳酸镁20000吨，年产氧化镁15000吨，年产氢氧化镁15000吨。
This paper gives a review on the flue gas desulfurization by utilizing mg-agents such as magnesium hydroxide, magnesium oxide and magnesium carbonate.
文章对利用镁剂(氢氧化镁、氧化镁和碳酸镁)进行烟气脱硫作了评述。
The technological conditions of the production of edible basic magnesium carbonate from industrial magnesium sulfate and the main factors affecting the yield of product are studied.
研究了以工业级硫酸镁为原料生产食用级碱式碳酸镁的工艺条件及影响产品收率的主要因素。
Industrialization of producing light magnesium carbonate from boron mud was studied.
对利用硼泥生产轻质碳酸镁课题进行工业化研究。
This article investigates the principles and the technological conditions on which boron mud is used to produce light magnesium carbonate after being treated with lime and carbonation.
本文研究了硼泥经石灰处理后，再用碳化法生产轻质碳酸镁的原理和工艺条件。
This article investigates the principles and the technological conditions on which boron mud is used to produce light magnesium carbonate after being treated with lime and carbonation.
本文研究了硼泥经石灰处理后，再用碳化法生产轻质碳酸镁的原理和工艺条件。
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