查询词典 sodium carbonate

The effect of metal salts on the physical structure of CaCO_3 was studied by using sodium carbonate as the additive and PoreMaster-60 mercury porosimeter.

利用添加剂调制改性的方法，考察了以碳酸钠为代表的金属盐对石灰石微观结构的影响，得出调制改性优化了石灰石的物理结构，并在离子比γ为15∶1的加入量效果最佳。

Effects of roast temperature, roast time, the amounts of sodium carbonate on decomposition of bastnaesite concentrate and effects of leaching temperature, leaching time, concentration of hydrochloric acid, the amounts of hydrochloric acid on leaching ratio of trivalent rare earth and tetravalent cerium was studied systematically.

系统地研究了焙烧温度、焙烧时间和碳酸钠的加入量对氟碳铈矿精矿焙烧分解的影响及浸出时间、浸出温度、盐酸浓度和盐酸用量对三价稀土和铈的浸出率的影响。

From 1889 the city found in Egypt, Fayum papyrus fragments in the literature that, in about 1850 BC, in the 12th dynasty of Egyptian women enjoyed privileges had already begun to adopt some of the most ancient method of contraception, including vaginal suppository made with crocodile excrement, with honey and alkaline (naturally occurring sodium carbonate) infiltration into the vagina and the vagina Resin substances.

从于1889年在埃及法尤姆城发现的莎草纸文献残片中得知，在大约公元前1850年，在第十二王朝享有特权的埃及妇女就已开始采用一些最古老的方法避孕，这包括用鳄鱼排泄物制成阴道栓，用蜂蜜和硷浸润阴道以及在阴道内放入树脂类物质等。

METHODS: Fluoxetine and internal standard clozapine were extracted from plasma with ethyl acetate after being alkalized by sodium carbonate saturated solution.

以氯氮平为内标，血浆样品用饱和碳酸钠溶液碱化，经乙酸乙酯振荡萃取后，进样分析。

Optimum condition of corn protein defatted using the sodium carbonate was determi ned, through the orthogonal experiment.

为延长玉米深加工产业链，和实现玉米的高附加值转化进行了有益的探索。

Bast fibers of Edgeworthia papyrifera purchased from mainland China and the Taimali research station of TFRI were pulped with the soda process, the alkali sulfite process, and sodium carbonate liquor, respectively. The yield, the kappa number, and the defiberating ratio under various alkali charges and alkali concentrations were evaluated.

本试验以自大陆进口之三桠树皮及林业试验所太麻里分所栽植之三桠树皮进行制浆试验，制浆之方法有苏打法、碱性亚硫酸钠法及以碳酸钠为蒸煮药品等三种，并由用碱量及药液浓度之变化来探讨三桠树皮之收率、卡巴值及解纤率。

The effect of reaction temperature, time, water volume, oxidant, acetic acid, ethanol, and sodium carbonate on the yield of reducing sugar were investigated.

在亚临界水的状态下对稻壳和麦麸进行水热糖化实验，考察了反应温度、反应时间、加入水的体积以及氧化剂、醋酸、乙醇、碳酸钠等对还原糖产率的影响。

And the best conditions were as following: alcohol as solvent, sodium carbonate as acid absorbing agent, refluxing for 8h.

通过因素分析确定了合成RNB的最优化条件为：以乙醇为溶剂，Na_2CO_3为缚酸剂回流反应8h。

Aspirin is synthesized through O-acylating reaction from salicylic acid and anhydride acetic acid with anhydrous sodium carbonate as catalyst.

以水杨酸和乙酸酐为原料，采用无水碳酸钠作为催化剂经O-酰化反应合成了阿司匹林。

The optimum conditions of synthesize RNB had been accomplished by the methods of factor analysis. And the best conditions were as following: alcohol as solvent, sodium carbonate as acid absorbing agent, refluxing for 8h.

通过因素分析确定了合成RNB的最优化条件为：以乙醇为溶剂，Na_2CO_3为缚酸剂回流反应8h。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。