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The electrode has a highly selectivity for silver ion over alkali, alkaline earth and common transition metal ions.

该电极可作为测定维生素B1药片中维生素B1含量的电位滴定指示电极和水样中银离子含量的直接测定。

Art electronic dtrimeter for dead-stop redox titradons is here described. The circuit consists of a pentode D. C. amplifier and a cathode-ray tuning indicator.

介紹了一種用電子管線路的極化滴定儀的裝置和使用,其靈敏度和極化電壓均可調節。

This method is fast,accurate,simple and is used to the routine check of the metallic iron in sponge iron with satisfactory result.

介绍了用三氯化铁-重铬酸钾容量法测定海绵铁中金属铁的方法,试样用三氯化铁溶液选择性地使金属铁溶解,过滤分离不溶物,移取部分滤液,用重铬酸钾容量法直接滴定,方法快速准确,操作简便,用于海绵铁中金属铁的日常检测,可获得满意结果。

For those new to lamotrigine, patient titration kits will be available containing 5 weeks of treatment.

对于新用药的病人,可通过为期5周的剂量滴定来确定剂量。

Among them,the chemosensory properties of two molecular tweezers derived from diethoxycarbonyl glycoluril for metal ions were studied by fluorescent spectroscope.It was found that they both exhibited selective recognition towards Fe~(3+)among 13 metal ions investigated in DMF/CH_3OH(50:1, v/v)with fluorescence quenching,and formed 1:1 stoichiometry complex with Fe~(3+).

通过荧光光谱滴定考察了其中两个二乙基酯基甘脲分子钳异构体对13种不同金属离子的识别作用,研究表明在DMF/MeOH(50:1 v/v)中,它们能够很好地选择性地识别Fe~(3+)离子,与Fe~(3+)离子形成1:1的复合物并且呈现荧光淬灭效应,可作为Fe~(3+)的荧光化学传感器。

On the condition of the existence of the buffer solution of ammonium acetate (PH5-6) and ammonium thiocyanate, quantitatively reduce Cu2+ into Cu+ by using sodium thiosulphate .

本文在PH5-6的乙酸铵缓冲溶液及硫氰酸铵存在下,用硫代硫酸钠定量还原Cu~(2+)为Cu~+,Cu~+与SCN~-结合,形成稳定的硫氰酸亚铜白色沉淀,反应终点可由全自动电位滴定仪确定。

In process of zinc norfloxacine by two-step, the reaction between sodium hydrate and zinc sulphate can be avoided to improve the quality of products. Thermogravimetry shows there is the crystal water of 3 molecules in the zinc norfloxacine. Complexometry can be used to assay zinc norfloxacine.

结论采用两步法合成氟哌酸锌可以避免NaOH与ZnSO4的反应,使产品质量得以提高;通过热重量分析,表明氟哌酸锌分子中含有3分子的结晶水;络合滴定法可作为氟哌酸锌的检测方法。

The dosage is determined by pH control approach, which does not require a routine jar test. This method can simultaneously determine the optimal pH and economical dosage for oxide-CMP wastewater. The coagulant can be added directly into the raw water without the pH adjusting at first. According to this method, the coagulant acts like a titrant and the pH of the oxide-CMP wastewater is monitored. The optimal dosage is the one that corresponds to a specific pH.

本论文主要以「pH控制法」来决定线上加药剂量值,其与传统瓶杯试验不同的是,其加药逻辑可直接对线上加药进行控制且毋须定期确认参数。pH控制法视混凝剂为酸滴定药剂,直接对进流之氧化层研磨废水进行加药,及至特定pH时,加药停止,此时之加药量即为电性中和去稳之控制点,远较过量加药法经济。

This method could be used in determination of sodium glutamate in chicken essence.

对鸡精样品进行预处理后,采用高氯酸滴定法测定鸡精中谷氨酸钠的含量,方法重现性RSD为1.53,回收率为98.0%,可应用于鸡精产品中谷氨酸钠含量的检测。

Sodium glutamate content in chicken essence was determined by perchloric acid titration after pretreatment with the sample.

对鸡精样品进行预处理后,采用高氯酸滴定法测定鸡精中谷氨酸钠的含量,方法重现性RSD为1.53,回收率为98.0%,可应用于鸡精产品中谷氨酸钠含量的检测。

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推荐网络例句

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。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。