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In addition, the interaction between polysilicic acid and hydrolysis aluminum species in PASiS was discussed.

水处理实验结果表明,PASiS的絮凝效果优于PAC,PAS,PASC和PAM等絮凝剂,而又以共聚法制备的PASiS的絮凝效果更佳;不同碱化度、硅酸聚合度及铝硅摩尔比的PASiS表现出不同的絮凝性能,吸附架桥及捕获沉淀是其主要絮凝机理。

The experimental results show that the interaction between polysilicic acid characterized negative charge and hydrolyzed aluminum species results in the decrease in the charge-neutralizing ability of PASC, in comparison with PAC.

研究结果表明,在 PASC 中,由于带负电荷的聚硅酸与铝水解聚合产物间的相互作用,使得 PASC 的电中和能力较 PAC 有所下降,其下降程度与 PASC 的碱化度和 Al/Si 摩尔比密切相关,B 值和 Al/Si 摩尔比越小,则 PASC 的电中和能力就越弱。

The research conclusions above mean that polysilicic acid can react with hydrolyzed aluminum species to form aluminum-silicate polymer composite, which made the species distribution in PASC changed.

但对PASC而言,情况有所不同,在低碱化度和低Al/Si摩尔比情况下,Al13和Alb之间不存在对应关系,Al13和Alb比值远远小于1.0,随着B值和Al/Si摩尔比的升高,Al13/Alb比值逐渐趋近于1.0。

The isolation result of solvent system is credible, and the method could be used to prepare reference substance of dl-tedrahypalmatine and protopine.

该溶剂体系分离结果可靠,可作为延胡索乙素、原阿片碱化学对照品的制备分离方法。

The different stresses were obtained by mixing saline sodic soil with normal soil at different ratios. The results showed that the pollen electron microscopic surface characteristics changed under the salinity and sodicity stresses.

以非盐碱土壤为对照,将不同比例的盐碱土和非盐碱土壤充分混合,设置5个土壤盐碱胁迫梯度,根据苏打盐碱土的特殊性,以土壤碱化度为胁迫指标因子,用盆栽实验研究了盐碱胁迫下水稻花粉表面形态特征、花粉生活力和柱头对花粉的接受能力等。

Method] Alcohol solvent extraction method was used to extract the total extract of Thermopsis lanceolata, and it was treated by acid-soluble and alkalization. Then chloroform was used to extract the total alkaloids. Finally, GC-MS was used to analyze and identify the chemical composition.

方法]采用醇类溶剂提取法,提出披针叶黄华总浸膏,经酸溶、碱化处理,再用氯仿萃取出总生物碱,利用GC-MS法对其化学成分进行分析鉴定。

ABSTRACT OBJECTIVE: To study the anesthetical potency of alkalinized bupivacaine.

目的:了解布吡卡因碱化溶液的药效。

Methods: M-acetaminphen was used as an internal standard, and alkalinized samples of plasma were extracted with ethyl acetate.

以间乙酰氨基酚为内标,血浆样品经碱化后,用乙酸乙酯提取。

It is important to keep in mind that the urine can be alkalinized by the presence of ureasplitting organisms in the urinary tract.

我们必须记住,如果尿路中存在能产生尿素酶的微生物,尿液可以被碱化

Purple is a natural clay, rich in sodium, potassium, iron, calcium, zinc and other elements, can be alkalinized water quality, and enhance the body's immunity so good for health.

紫砂是一种天然陶土,富含钠、钾、铁、钙、锌等元素,可碱化水质,提高人体的免疫力,对健康很有好处。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

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