天然碱

以天然碱生产重质纯碱结晶设计

Design of Crystal Process of Heavy Soda Ash from Trona

天然碱和天然小苏打资源及开发动态

Resources of trona and nahcolite and their development

对NaOH溶解开采深埋型天然碱时井内易结晶、碱液浓度低的原因进行了分析。

The reason of easy-crystallized and low alkali content in the well by means of NaOH dissolving exploitage for embeded natural alkali has been analyzed .

利用Na2CO3-Na2SO4-NaCl-H2O四元体系相图分离天然碱

Using the phase diagram of naco_3-na_2so_4-nacl-h_2o , the four components system to separate the natural soda

因为钠存在于天然碱苏打（Soda）中，Na的取名sodium一词即源于此，英文原意“苏打”。

Soda comes from medieval Latin soda , which may have been derived from Latin sod ā num ' samphire , glasswort " ( the plant samphire was burned to obtain soda for making glass ) .

用11种金属材料在试验温度为150℃、NaOH浓度为41%～47%的内蒙古天然碱苛化烧碱液中，进行了全浸式静态和动态腐蚀试验。

A static and dynamic corrosion tests were . carried out with materials of eleven metals immersed in Nei Mong-gu natural soda containing 41 % ~ 47 % NaOH and with a temperature of 150 ℃ .

应用钻孔水溶采矿工艺开采深层天然碱矿藏

Developing Deep Natural Alkaline Deposits with Borehole Water - dissolving Technique

天然碱工业伴生废渣的再生循环利用

The recycle of alkaline scrap material produced in natural alkali industry

吴城天然碱矿溶采理论与实践

Theory and practice of solution mining in Wucheng Trona Mine

天然碱代替纯碱的磷矿选矿试验

Phosphate processing test with trona in place of soda ash

河南省天然碱矿资源及其开发利用

The situation and utilization of trona in Henan Province

经过煅烧的天然碱可以在浮选作业中代替纯碱使用。

The calcined trona can replace soda ash for use in the flotation operation .

天然碱生产高质量纯碱的技术条件

Technical Conditions of Quality Soda Manufacture from Trona

天然碱中碳酸钠、碳酸氢钠、总碱度的分析方法研究

The Study on Analytical Method of Na_2CO_3 、 NaHCO_3 and Total Alkality in Natural Alkali

用中药渣制备天然碱泥用生物絮凝剂的研究

A study on Preparation of microbial flocculant for natural soda by using medicinal herb residue

金属耐天然碱苛化烧碱液腐蚀的性能废碱液处理

Treatment of the Waste Alkaline Liquid

大孔吸附树脂脱除天然碱中有机质的实验海洋天然有机化合物

Experimental investigation on the removal of organic matter in trona using macroporous adsorption resins marine natural organic compounds

废旧碱性二氧化锰电池特点和湿法再资源化研究天然碱工业伴生废渣的再生循环利用

Scrap Alkaline Zn / MnO2 Battery and Its Recovery The recycle of alkaline scrap material produced in natural alkali industry

锡林郭勒苏尼特碱业有限公司的天然碱矿床是可溶性矿床，过去采用单一的采掘机械开采，回采率仅为78%左右。

A recovery of78 % was only obtained by mining soluble deposit with single machinery process in Xilingele Trona Mine .

内蒙古化学史研究&Ⅸ.内蒙古东部地区天然碱的早期开采与应用

The history of chemistry in Inner Mongolia ⅸ . the earliest exploitation and application of trona in the eastern part of Inner Mongolia

在实验室条件下，用内蒙天然碱进行了包钢铁水的预处理试验，研究了铁水脱磷、脱硫和脱铌的热力学和动力学参数。

Thermodynamic and kinetic parameters in removing phosphorus , sulphur and niobium from hotmetal using natural soda ash have been studied in laboratory experiments .

首次将升膜蒸发器应用于天然碱制烧碱行业。介绍了该设备的工艺设计参数及结构设计方案。

The technical process design parameters and structure design scheme of climbing film evaporator which was adopted in the industry of producing caustic alkali from urao for the first time were introduced .

为了解决玻璃工业发展所需纯碱供不应求的矛盾和充分利用资源，以分离后的天然碱代替纯碱。

In order to solve the contradiction in the shortage of soda for the development of the glass industry and to make full use of natural re - sources , We use the separated natural soda in place of soda & ash .

若在碱层中、上部形成水的通道，或天然碱层之上覆盖盐岩层时.采用注气控制顶溶，以防顶扳过早坍塌。

If the channel of water is formed in the middle or upper part of the soda layer , or the native soda layer is covered with a salt layer , top-dissolution can be controlled by air injection to protect the top plate from early collapsing .

在以天然碱为原料生产重质纯碱时，伴生大量碱性废渣（俗称苛化泥），此废渣堆放或坑埋，碱化土壤，污染环境和空气，若用大型回转窑煅烧处理，成本高不经济。

When produce dense sodium carbonate with the material of natural alkali , a plenty of alkaline scrap material or alkaline mud which can alkalify the earth , pollute the air and environment is manufactured , using the scrap material by calcine with a large movable kiln is expensive .

再生细骨料与天然砂碱骨料反应特点比较

Characteristic Comparison of Alkali-Aggregate Reaction for Recycled Fine Aggregate and Natural Sand

天然喜树碱具有明显的抗肿瘤活性，尤其对消化道、肿瘤白血病、膀胱癌等更强的治疗效果，引起人们的广泛关注和研究。

Natural camptothecin has obvious anti-tumor activity , especially for gastrointestinal cancer , leukemia , bladder cancer , such as the effect of stronger activity . Attracted wide attention and research .

基于我国天然含碱矿物岩石资源、矿冶工业尾砂等十分丰富，本文讨论了扩展玻璃工业原料结构的前景。

In view of the fact that in our country abound with natural resources of alkali-metaloxides containing minerals and rocks , mineral waste of mining and metallurgical indu-stries etc , the perspective of the enlargement of structure of raw materials in glass in-dustry has been discussed .

天然植物油碱异构化合成共轭亚油酸的研究

Preparation of Conjugated Linoleic Acids from Natural Vegetable Oil by Alkali Isomerization

天然沸石对碱-硅酸反应的抑制及其机理

Effect of natural zeolite on alkali - silica reaction