carbonate

In order to recover the tungstenic dust, sodium carbonate was added to it and smelting test was carried out in a 0. 1MVA electric arc furnace.

要钨，利用钨灰与碳酸钠0．1MVA内进行了试验，制成粗钨酸钠。

The main kinds of rocks include carbonate rocks, tuffite, siliceous rocks and quartz sand-stone.

主要岩石类型包括碳酸盐岩、沈积凝灰岩、矽质岩和石英砂岩。

Nanometer sized lead oxide was prepared by pyrogenetic decomposition of lead carbonate synthesized by chemical precipitation.

采用均匀沉淀法合成碳酸铅,此基础上通过高温分解制备纳米氧化铅。

The area we debated is in infraneritic environment at the Meishucunian Age,early Cambrian Period,when deposited a suit of carbonate and phosphate.

川西南滇东地区早寒武世梅树村期处于上扬子浅海环境,沉积一套浅海碳酸盐和磷酸盐。

Meanwhile,fluid effect and vein pyromorphism in the course of fault development play a part in the thermal decomposition of carbonate rock.

同时断裂发育过程中流体的参与、岩脉的热作用对碳酸盐岩的变质热分解也起了一定的作用,并使变质反应复杂化。

The value of oil absorption, viscosity of Nujol mull, specific surface area, contact angle, distribution of particle size and dispersivity of the calcium carbonate particles were also characterized.

对改性前后碳酸钙粉体的接触角、吸油率、石蜡糊粘度、粒度分布、分散性等性能进行了比较。

Calcifuge Describing plants that grow on soils containing very little calcium carbonate, such as sandy or peaty soils and cannot grow on basic substrates such as most chalk and limestone soils.

碳酸钙含量低的土壤中生存的植物，例如沙地或泥地中生长。这种植物石灰石之类的碱性基质中不能生长。

The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).

研究了碳酸丙烯酯和甲醇经酯交换制备碳酸二甲酯的催化剂及反应工艺条件。

The ability of the gas phase inhibitor—cyclohexylamine carbonate (CHC)for chemical equipment was studied.

研究了气相缓蚀剂碳酸环己胺（CHC）用于化工装备保护的可能性。

The synthesis methods of double (three chlorine methyl) carbonate by using solvent and nonsolvent method are introduced.

给出了溶剂法和非溶剂法两种合成双(三氯甲基)碳酸酯的方法。

The current preperation methods of strontinum carbonate from celesite are carbon reduction method and double decomposition method.

中国天青石资源十分丰富,但矿石品位低、杂质含量高,需经选矿除杂后才能作生产碳酸锶的原料。

Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.

海绿石、碳酸盐骨骸碎屑、海相化石和胶磷矿普遍出现。

As viewed from application of the technoogy of producing high-pure manganes carbonate using poor manganese, ferrisulphas and ammonium hydrogen carbonate as raw material is introduced.

本文从应用的角度出发,介绍了以贫锰矿、硫酸亚铁、碳酸氢控等原料,生产高纯碳酸锰的方法。

"aragonite: an orthorhombic mineral form of crystalline calcium carbonate, dimorphous with calcite."

文石结晶富钙碳化物的一种正交晶矿物,具有方解石的两种晶态。

A new technology to recover potassium carbonate from the wastes of triazolone andmultipIe-effect azole production by exchange method is introduced.

介绍了用离子交换法从生产农药三唑酮、多效唑的废渣中碳酸钾的新工艺。

Experiments show that causticizing by adding a small quantity of slaked lime can eliminate the interference of carbonate ions and humic acid salts.

添加少量的熟石灰可即刻消除碳酸根和腐植酸盐等有机杂质的影响。

The relative mass correction factors of methyl alcohol, glycide, glycerol, and glycerol carbonate with different concentrations were investigated.

摘要考察了不同组成浓度下甲醇、缩水甘油、甘油和甘油碳酸酯体系相对校正因子的变化。

We have observed similar protection and viability with other water-insoluble compounds such as calcium alginate, dimethylglyoxime, zinc carbonate, barium carbonate, and 1-aminoanthraquinone.

我们已观察到其他非水溶性化合物（如海藻酸钙、丁二酮肟、碳酸锌、碳酸钡及1-氨基蒽醌）也有类似的保护和生存能力。

10.basement and unmetamorphosed terrigenous shallow carbonate rock in the Austria Alps -South Alps obduc-tion nappe and radiolarian silicalite in fault basins.

奥地利阿尔卑斯—南阿尔卑斯仰冲叠覆体中的基底和未受变质的南大陆边缘的浅水碳酸盐岩及断陷盆地内较深水放射虫硅质岩。

Each caplet has a micro-thin coating to mark it easier to swallow,and contains Acetylsalicylic acid 500 mg,magnesium carbonate 150 mg,dihydroxy-aluminium aminoacetate 75mg.

每粒有糖衣便于吞服，并含有阿司匹林500毫克，碳酸镁150毫克，甘羟铝75毫克。