sodium carbonate的例句大全

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.

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。

Other Ingredients: Gelatin, Water, Calcium Carbonate, Silicon Dioxide, Magnesium Stearate, Maltodextrin and Sodium Louryl Sulfate.

其他材料: 明胶, 水, 碳酸钙, 二氧化硅, 硬脂酸镁, 麦芽糊精和硫酸月桂酸钠.

Sodium cyanate was prepared from reactants& urea and anhydrous sodium carbonate through liquid-solid chemical reaction method, in the solvent of N, N-dimethlformamide ( DMF).

使用液固化学反应法，以尿素和无水碳酸钠为原料，在N，N-二甲基甲酰胺（DMF）溶剂的反应介质中，制备了氰酸钠产品。

Results showed that sodium cyanate with 98.1% purity could be obtained in the medium of DMF, when the mole ratio of urea to anhydrous sodium carbonate was 2.5, the reaction temperature 120~ 140 ℃ and reaction time 8~ 10 h.

实验结果表明，在DMF反应介质中，当尿素与无水碳酸钠物质的量比为2.50，反应温度120~140℃，反应时间8~10h，可以制得纯度为98.1%的氰酸钠产物。

Benedict's solution: a solution of sodium citrate, sodium carbonate, and copper sulfate that changes from blue to yellow or red in the presence of reducing sugars, such as glucose.

本尼迪克特试剂：一种柠檬酸钠、碳酸钠和硫酸铜的溶液，当加入还原糖，如葡萄糖时，其颜色由蓝变为黄或红色。

The silk fibroin was deglued to remove the outside glue-like components in sodium carbonate solution.

以碳酸钠溶液脱除了丝素外表可引起炎症反应的丝胶成分.

The method of preparation and oi sodium glycine carbonate were reported.

本文报导了新颖食品和医药助剂氨基乙酸钠碳酸盐的制备和测试方法.

Taking the calcium bentonite clay as raw material, the organic bentonite clay was prepared by CTMAB after the sodium transition of sodium carbonate.

以钙基膨润土为原料，经碳酸钠钠化转型后，用溴代十六烷基三甲胺进行有机包裹制备有机膨润土。

Sodium, sulfate, magnesium, calcium, carbonate, bicarbonate, chloride, and boron should be determined in a water anylasis.

水质分析要测定钠 、 硫 、 镁 、 钙 、 碳酸盐 、 重碳酸盐 、 氯和硼的含量.