碳酸钠

The CRM is for the quality control of Industrial sodium carbonate and calibration of instruments.

此标样用于工业碳酸钠用质量控制，可用于标准测量仪器

Let citric acid react with sodium carbonate to obtain the product of sodium citrate in the end.

将柠檬酸与碳酸钠进行中和反应，即得到柠檬酸钠。

Conversion of cellulose of the most substantial percentage (86.4 percent) in 200 ℃, the basic conditions of sodium carbonate dealt with under eight minutes obtained.

酶转化纤维素百分率的最大量（86.4%）是在200℃，碳酸钠存在的碱性条件下处理8分钟获得的。

Can Aluminium Hydroxide be Dissolved in Excess Sodium Carbonate Solution?

氢氧化铝能溶于过量的碳酸钠溶液吗？

Similarly, if the gypsum is replaced by sodium sulfate, the sulphur and sodium carbonate solution can be obtained.

同样的原理，如果将石膏更换为芒硝，可得到硫和碳酸钠溶液，进一步加工可得纯碱。

The addition of sodium carbonate could enhance the degradation efficiency of microcystin-LR by 7.8% but, the effect was not very remarkable.

碳酸钠的加入促进了微囊藻毒素的降解，但是效果不是很明显，降解率提高最大幅度为7.8%。

Sodium carbonate can extend temperature window to lower temperature.

碳酸钠可以拓宽SNCR温度窗口，并使其向低温方相移动。

The same is carried out in the microwave, ethanol, dichloroethane, sodium carbonate, tetrabutylammonium iodide ammonium dissolved in dimethylformamide, then access to carbon dioxide.

同样是在微波炉中进行，把乙醇，氯乙烷，碳酸钠，四丁基碘化铵溶解在二甲基甲酰胺中，再通入二氧化碳。

Nonionic surfactant, sodium carbonate, Sodium MetaSilicate

非离子表面活性剂，碳酸钠，硅酸钠

Water containing a variety of minerals and organic substances, lime, sodium carbonate and silica, aluminum oxide, sodium oxide, sulfur, sodium and other minerals.

水内含 多种矿物质和有机物质，有石灰、碳酸钠、二氧化硅、三氧化二铝、氧化钠、硫磺、硫酸钠等多种矿物质。

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。