查询词典 dilute solution

Place in a 250 ml conical flask fitted with a ground-glass stopper, 10.0 ml of the solution, 50 ml of water R, 12 ml of dilute acetic acid R and 3 g of potassium iodide R.

滴定 在250ml的带磨砂玻璃塞的锥形瓶中，加入10.0 ml的此溶液，50ml的水，12ml的稀乙酸和3 g的碘酸钾。

It has been observed that pyrocatechol and m-phenylenediamin can sensitively inhibit the discoloration of neutral red oxidation by the H2O2 and in the presence of catalyzer Fe in dilute sulfuric acid solution but the inhibitory effects of two organic compounds can not be added. Based on this research, the advantages of artificial neural network were adopted to handle the experimental data and a new inhibitory kinetic spectrophotometry of simultaneous determination for pyrocatechol and m-phenylenediamin with artificial neural networks was established.

在硫酸性介质中，Fe能够催化H2O2氧化中性红褪色反应，邻苯二酚和间苯二胺都能阻抑该催化氧化褪色反应的速度，研究发现：两者对Fe催化H2O2氧化中性红褪色反应阻抑作用不具有加和性，根据这一现象，用人工神经网络处理非线性体系的优势进行数据处理，从而建立了一种新的测定邻苯二酚和间苯二胺混合物的人工神经网络阻抑动力学光度法。

They immersed a lead object first in copper acetate (a compound made by letting vinegar corrode copper), and then in a silver solution created by dissolving silver chloride in dilute ammonia (which ancient chemists made from urine).

它们首先把铅制品浸没在醋酸铜（通过醋酸腐蚀铜而制得的化合物）中，然后放在银溶液中，银溶液是通过把氯化银溶解在稀释的氨水中而制得的。

The phase behavior of cetyltrimethylammonium bromide and sodium dodecyl sulfonate mixed system in dilute aqueous solution region has been studied.

研究了十六烷基三甲基溴化铵和十二烷基磺酸钠复配体系在稀溶液区的相行为。

For use, dilute the Stock Solution with water in the ratio of 1 to 800, and sterilize.

使用时，将贮备液以1：800的比例加水稀释，并灭菌。

In order to improve their water solubility, 4"-fatty amido-3"-sodium carboxylate azobenzene-4-sodium sulfonates were synthesized. They are azo compounds with two hydrophilic groups of carboxyl and sulfonyl. They decrease the surface tension in dilute solution slowly, and show some surfactivity, but are not surfactants. The probable reason is their relative strong hydrophile. Furthermore, their colors are not fresh and far from our destination.

为了改善其水溶性，改用对氨基苯甲酸为原料合成了4′-脂肪酰氨基-3′-羧酸钠偶氮苯-4-磺酸钠盐，以偶氮结构为主的亲水基团上连有羧酸基和磺酸基两个亲水性较强的基团，但可能由于其亲水性太强，在稀溶液中只能缓慢地降低溶液的表面张力，具有一定的表面活性，但不是表面活性剂，而且颜色不鲜艳，距离我们的目标较远。

Trimethylamine hydrochloride in water, and dilute quantitatively, and stepwise if necessary, to obtain a solution having a known concentration of 500μ g per mL.

标准溶液－精确称量一定的盐酸三甲胺溶于水中，稀释获得一个500μ g per mL 浓度的已知溶液。

Pretreatment of wood chips with dilute oxalic acid solution for about 10 minutes reduces electrical energy requirements for mechanical pulping by 25%, improves paper strength properties, reduces pitch content, improves dewatering, and produces value-added chemicals enabling a biorefinery dimension.

将木片用稀草酸溶液预处理10分钟减少木浆电能源需求的25%，提高纸张强度性能，降低了沥青含量，提高了脱水，并精炼厂产生增值化学品。

Ferrous Oxidation in Xylenol Orange is a spectrophotometry to detect primary product of Lipid peroxidation in plasma -- Lipid HydroperoxidesIn acid dilute solution,ROOH can oxidate Fe2+ into Fe3+,and Fe3+ can combine with Xylenol Orange to produce a kind of bluish - purple compound.

本文介绍一种用FOX法测定血浆中脂质过氧化的初级产物——脂质氢过氧化物的分光光度法。

The best grafting conditions of bamboo fiber which grafted by acroleic acid and acryl amide in HNO_3 dilute solution system by planing.

用正交法探讨了竹纤维在HNO3稀溶液体系中以丙烯酸和丙烯酰胺单体接枝共聚反应的最佳条件，结果表明，当引发剂硝酸铈铵浓度为20mmol。

Who? I never heard of him, Paul said, before asking teammate James Posey if he had heard of him.

赛后，科比说，他一直都是一名非常出色的射手，今天他打得很棒。

When I joined the company, I rotated around the different sections.

我加入这个公司时，轮换过几个不同的部门。