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硼砂

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Phenolphthalein, together with borax,is used to test for saccharide derivatives,e.g.

酚酞与硼砂一起用于检测糖类衍生物,如甘油。

The conventional calibration method and the standard addition method were compared in the assay of lead, cadmium, copper, and nickel in mineral Chinese medicines (borex, dragon teeth, oyster, smithsonite, and limonitium) by atomic absorption spectrometry.

传统中药大致可分为植物性、动物性及矿物性等三大类,本研究取自市售坊间常用种矿物性中药炉乾石、龙骨粉、牡蛎粉、硼砂、禹余粮等,以传统强酸氧化回流加热消化法。

Inorganic phosphates and sodium borate decreased aromatic and heterocyclic compounds in pyrolysis process.

无机磷酸盐和硼砂有效降低木质素热解过程中芳香族化合物及杂环化合物的比例。

High concentration of SO〓 did not interfere the determination of NO〓 because SO〓 was eluted later than NO〓. The effects of the concentration of sodium borate and CTAB on separation were also examined.

由于加入甲醇后,SO〓在NO〓后出峰,有利于河水中高浓度SO〓存在下,少量NO〓的测定,同时也考察了硼砂和CTAB的浓度对分离的影响。

In chapter 6, a method for separation and determination of Cl〓, NO〓 and SO〓 in river water by CE with indirect UV detection was described. Background electrolyte consisted of sodium borate, chromate, and CTAB was employed for the separation.

在第六章,采用毛细管电泳间接紫外法在硼砂-铬酸根-CTAB体系中分离与测定了河水中的Cl〓,NO〓和SO〓。

Methods The background electrolyte was 50 mmolL^(-1) sodium borate containing 5% acetonitrile. The voltage was 12 kV and the wavelength was set at 228 nm. The fingerprint, produced from electropherograms of ten different batches of samples, was established and 11 common peaks were confirmed.

以的50 mmolL^(-1)硼砂(含体积分数为5%的乙腈溶液)为背景电解质,运行电压12 kv,紫外检测波长228 nm,以10个不同产地药材的电泳图谱建立了甜瓜蒂毛细管电泳指纹图谱。

With an effective length of 30 cm. The running buffer was a mixture of 25 mmol/L sodium borate and 100 mmol/L boric acid (pH 8.6). Effective mobilities of the two medicines changed with altering the concentration of β-cyclodextrin.

所用未涂层熔融石英毛细管的规格为内径50 μm,总长37 cm,有效长度30 cm,电泳缓冲液为25 mmol/L硼砂+100 mmol/L硼酸(pH 8.6),并加入不同浓度的β-CD。

Currently, the Company has developed a 10 sodium borate to the main raw materials of "instant Boron efficient products - polymerization B", import boutique borax-based raw materials,"Shi-based products for Boron - strong boron and boron lot" and "Good buy" series of fertilizer, product selection of raw materials, scientific formula to meet the nutritional needs of crops.

目前,本公司已开发出以十硼酸钠为主原料的"高效速溶硼肥产品——聚合硼"、进口精品硼砂为主原料的"基施专用硼肥产品——强力硼、硼多多"及"好再买"系列微肥,产品精选原料,科学配方,能够满足作物的营养需求。

The background electrolyte was a 75 mmol/L sodium borate solution adjusted to pH 9.7 with 0.1 mmol/L NaOH solution. The detection wavelength was 228 nm and a voltage of 14 kV was applied. The Forsythia suspensa Vahl was extracted by water and a set of CEFP containing 29 peaks was obtained.

中文内容:摘要:采用毛细管区带电泳法,以75 mmol/L硼砂溶液(用0.1 mmol/L氢氧化钠溶液调pH 9.7)为背景电解质,运行电压14 kV,检测波长228 nm,重力进样15 s(高度9 cm),建立了连翘药材的毛细管电泳指纹图谱。

On the base of sodium hydroxide and zinc acetate to adsorb the sulfide and the sodium borate buffer added to enhance the deposition effect,the deposition of zinc hydroxide and zinc sulfide was separated from the solution by a centrifuge ,then the soluble sulfide was determined by the method of methylence blue.

在Zn(CH3COO)2和NaOH溶液固定硫化物和硼砂缓冲液加强沉淀效果的基础上,提出用离心法将硫化物从溶液中分离出来,采用亚甲基蓝法测定水样中硫化物浓度的方法。

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The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作:对伸臂位于顶部的单层框架—筒体模型进行分析,提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。

Its advantage is that it can be used in smaller units.

其优点在于可以在较小的单位中应用。