酸处理

The total iron in iron ore was titrated by potassium permanganate standard solution with sodium diphenylamine sulfonate as indicator.

用HNO3-HF处理，硫-磷混酸溶解试样，在盐酸介质中，用二氯化锡－三氯化钛将Fe(上标 3+)还原为Fe(上标 2+)，以二苯胺磺酸钠为指示剂，以高锰酸钾标准溶液滴定铁矿石中的全铁量。

The samples were discontinuously immersed into soft drink for one week, then treated with different fluoride for another week.

用饮料对釉质间断性酸蚀l周，然后使用不同的氟化物处理酸蚀的釉质表面1周。

The rats were divided into 6 groups and received chitosan embrocation, hyaluronidase injection, hyaluronidase injection plus chitosan embrocation, saline embrocation, or saline injection, or received no treatment as control.

随机分为6组，分别给局部外涂几丁糖、局部注射透明质酸酶、局部注射透明质酸酶联合外涂几丁糖、局部外涂生理盐水、局部注射生理盐水和不进行任何处理。

Based on that the instability of ferrate, fresh ferrate prepared by electrolysis was released directly to treat wastewater.

针对高铁酸盐难以长时间稳定存在的特点，实验用电解新制的高铁酸盐直接投加进行废水处理。

Ferrate is a strong and environmentally friendly oxidant, coagulant, and water treatment agent, which lead to its unprecedented future practical application in many fields.

高铁酸盐具有极强的氧化性和优良的絮凝功能，是一种优良的水处理剂，正是由于高铁酸盐在水处理方面的优异性能才使它获得了前所未有的发展前景。

Consequently, degradation of acid fuchsine from aqueous solutions through photocatalytic process that involves addition of a heteropolyacid catalyst was studied, as well as its optimum conditions in industry production and its mechanism.

本课题选取酸性品红染料为降解对象，试验研究了杂多酸光催化降解酸性品红反应的工艺条件，机理，以及用负载型杂多酸来改善催化环境，旨在寻找一种染料废水的环境友好处理新工艺。

Amino acid analysis indicates that the contents of Ser,Thr,and Cys of the alkali treated rice protein decrease obviously under pH 13.5 at a glutelin concentration of 9%.

氨基酸分析表明，9%的谷蛋白含量、pH值为13.5碱处理大米谷蛋白的丝氨酸、苏氨酸、胱氨酸含量明显下降。

The results showed that ABT can increase the content of geniposidic acid in a long time, the range of variation was more than 9%, but most of the time, it would decrease the contents of chiorogenic acid, total flavonoids and gutta-percha, the range of variation was large too.

结果表明：ABT生根粉处理后，杜仲叶中京尼平武酸的含量在较长时间段内增加，增加幅度超过了9%；绿原酸、总黄酮和杜仲胶的含量减少，减少幅度较大。

According to the existence of propionyloxy functional group in bilirubin molecular structure, bile is reacted with limewash. Thereby, solids are obtained.

根据胆红素分子结构中含有丙酸基官能团，将胆汁和石灰水反应，得固体颗粒，经酸化、乙醇处理、氯仿提取、浓缩、精制，得胆红素。

The invention discloses a method for measuring seawater chemical oxygen demand by photometry, wherein the seawater exemplar is first pre-processed, then using the basic potassium hypermanganate as reaction system, the potassium permanganate is deacidized quantitatively by organics to produce manganate, using pure water or margin solution as reference ratio, measuring the absorbance an of the manganate at its maximum absorbing wave length 430 nm, drafting the A-COD value operating curve, obtaining the concentration of the organics in the water, i.e.

本发明公开了一种对海水化学需氧量进行测定的光度测定法，该方法首先将海水样品进行预处理，再以碱性高锰酸钾为反应体系，这样海水中的有机物在强碱性介质中与过量的高锰酸钾迅速反应，高锰酸钾被有机物定量还原后生成锰酸盐，以纯水或空白溶液作参比，在锰酸盐的最大吸收波长430nm处测其吸光度A，该吸光度A与海水样品中的有机物的含量具有正相关关系。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。