查询词典 dilute solution

"Cyanide process: or MacArthur-Forrest process, Method of extract ing silver and gold from their ores by dissolving them in a dilute solution of sodium cyanide or potassium cyanide."

氰化法：亦称麦克阿瑟－福莱斯特法，是将含金和银的矿石溶解于氰化钠和氰化钾稀溶液中，以提取金和银的一种方法。

The measurements of self-diffusion coefficient,spin-spin relaxation and interproton distance at 318 K suggest that N,N′-bis-α,ω- alkane propane diammonium dibromide (16-3-16) quasi-global micelles are formed in the dilute solution at a concentration of 0.26 mmol/L and the head groups are in a saw-toothed form staying at the surface of the micelle to overcome the strong electrostatic repulsion force.

从自扩散系数、横向弛豫和质子距离等NMR测定参数推测，在浓度为0.26 mmol/L（318 K）的N，N′-双-α，ω-丙烷溴化铵(16-3-16)溶液中形成了近似球形的胶束，胶束表面的带正电荷的铵基极性头呈锯齿状排列以减弱分子间静电排斥力的影响。

In many cases, it is unnecessary to dilute the sample solution prior to analysis.

在许多情况下，在分析之前也不必要稀释试样。

Properties White powder, inodorous, non-toxic, soluble in dilute alkali solution, carbon disulfide, benzene, acetone, dichloromethane and a little soluble in chloroform, insoluble in alcohol, carbon tetrachloride and ethyl acetate.

性质 白色粉末。无毒、无味。溶于稀碱、二硫化碳、苯、丙酮和二氯甲烷，微溶于氯仿，难溶于乙醇、四氯化碳、醋酸乙酯。

UV and HPLC were used for the first time to study the photo-cis-trans isomerism in dilute DNS solution.

首次采用紫外光谱和高压液相色谱初步研究了4，4'-二硝基二苯乙烯-2，2'-二磺酸稀溶液中的光致顺反异构现象。

DSC-TGA thermal analysis and XRD characterization results demonstrate that Fe is precipitated as Fe3O4 during alkaline decomposition of jarosite. The contents of Fe, In and Zn in decomposition residue are 38.81%, 0.23% and 12.89%, respectively. After selective leaching of In and Zn with dilute HCl solution, the iron concentrates obtained from magnetic separation can be used as raw material for iron smelting.

DSC-TGA热分析和X射线衍射分析结果表明：在NaOH分解过程中，铁矾渣中的铁主要以Fe3O4形式沉淀入渣；分解渣中Fe、In和Zn的含量分别为38.81%、0.23%和12.89%；经稀盐酸选择性浸出铟和锌后，进一步磁选富集可作为炼铁原料。

Apparatus CO2、Gas bottles、Calcium carbonate（CaCO3）、dilute hydrochloric acid、 Candles、Beaker、purple litmus solution、clear limewater, etc

制二氧化碳装置一套、集气瓶、碳酸钙、稀盐酸、小蜡烛两支、带梯形铁片的小烧杯、紫色石蕊试液、澄清石灰水等。

Meanwhile the effects of additives on viscosity and zeta potential of dilute NaCS solution were investigated.

结果表明，通过添加物对稀电解质溶液性质的影响可判断共对胶囊特性的影响。

Thus, treatment of a Russian Podzol Bh horizon with cold dilute HCI solution resulted in the dissolution of large quantities of FA

所以，在用冷的稀HCI处理苏联灰壤Bh层时造成大量FA的溶失。

They then added a dilute concentration of potassium chloride to one protocell and a more concentrated solution to the other.

然后他们向其中的一原细胞加入稀释的氯化钾，向另一个加入一样但浓度较高的。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。