采用溶液还原法,以硫酸镍为原料,水合肼为还原剂制备了超细和纳米镍粉。
Synthesis of ultrafine nickel powder by solution reduction technique and effect of the dispersant;
配法是用亚硫酸使品红溶液还原,若有醛酮类存在时便使之氧化而重新呈现品红本身的洋红色。
It is produced by the reduction of fuchsin by sulfurous acid, and is oxidized by aldehydes and ketones, restoring the magenta color of the fuchsin.
钒氧化还原流体电池的另外一个优点是:它的容量只受制于储存电解质溶液容器的尺寸。
Another advantage of a vanadium REDOX flow battery is that its capacity is limited only by the size of the tanks used to store its electrolytes.
电解:使电流通过电解质溶液而在阳极,阴极引起氧化还原反应的过程。
Electrolysis: make the current through the electrolyte solution at the anode and cathode cause REDOX reaction process.
这些化合物能溶于水,并含有游离的半缩醛羟基,所以在碱溶液中能还原银离子和铜离子。
These compounds are soluble in water, and contains the hemiacetal hydroxyl free, so in alkaline solution can reduce silver ions and copper ions.
有强还原作用,特别是在碱性溶液中。
There is a strong reduction, especially in the alkaline solution.
针对酸性氯化物中黄铁矿还原浸出锰结核的溶液成分特点,选择黄钠铁矾法进行了沉淀分离铁的研究。
Jarosite process was selected for iron removal due to the characteristics of the solution originated from the reduction leaching of manganese nodules by pyrite in chloride system.
对不同pH值溶液中聚毗咯的电化学氧化还原行为进行了现场时间分辨拉曼光谱研究。
The REDOX process and degeneration of polypyrrole (PPY) in solutions with various PH have been studied by in situ time-resolved Raman spectroscopy.
该膜电极对酸性溶液中的NO_2~-有明显的电催化还原作用,初步探讨了电催化机理。
Moreover, the super molecular film showed good catalytic activity for the reduction of NO_2~-in acidic solution and the catalytic mechanism was described.
镉试剂在0.32M氢氧化钠溶液中有清晰的还原波,峰电位在—o。
Cadion gives two distinct reduction waves in the medium of 0.32m NaOH solution.
选择方柿果实为原料,观察不同浓度赤霉素溶液对柿果实贮藏期失重率、还原糖含量、硬度、烂果率等指标的影响。
Persimmon was soaked in GA solution to observe the effects on the drop of weight, reducing sugar, hardness of the fruit.
利用纯天然仙人掌液还原制备了纳米银溶液,其制备方法简单,无污染。
Nano-silver solution was prepared by deoxygenation with natural cactus solution, which is simple and non-polluting.
改变溶液的酸度及还原剂的配制方法,找出最佳分析条件。
Methods the acidity of the solution and preparation method of reductant were changed, and the optimum analysis conditions were discovered.
在阴极还原葡萄糖研制甘露醇和山梨醇的过程中对甘露醇和山梨醇在硼砂水溶液中的旋光性进行了研究。
The opticity of mannitol and sorbitol in the borax solution is studied in the course of synthesizing mannitol and sorbitol by cathodic reduction of glucose.
溶液中同时存在几种可还原的离子。
选择浸蜡石墨作基体电极,用旋转环-盘技术,考察了碱性溶液中基体电极上的氧还原机理。
Graphite electrode soaked with paraffin was chosen as the basal electrode, on which the mechanism of oxygen reduction in alkaline solution was examined using a rotating ring-disk technique.
建立了电化学石英晶体微天平(EQCM) -循环伏安联用技术,并以此研究了碱性溶液中银的氧化还原行为。
Combined with cyclic voltammetry, the Electrochemical Quartz Crystal Microbalance (EQCM) technique was used to study the REDOX behavior of silver in an alkaline solution.
利用旋转环-盘电极方法开结合循环伏安技术研究了磷酸溶液中亚硒酸的电化学还原机理。
In this paper the electrochemical reduction mechanism of selenious acid(H 2SeO 3) in phosphoric acid solution was studied by rotating ring-disc electrode and cyclic voltammetry techniques.
本尼迪克特溶液是硫酸铜(二价)的堿性溶液,它可以通过还原糖被还原为不溶性的铜(一价)的氧化物,产生红色的沉淀物。
Benedict 's solution is an alkaline solution of copper (ii) sulfate, which is reduced to insoluble copper (I) oxide by reducing sugars, giving a red precipitate.
分析了还原剂、温度和时间对锶浸出率的影响,研究了氯化锶溶液中脱除杂质的方法和效果。
The effect of reducing agent, temperature and time on leaching of strontium are investigated, and the method for purification of strontium chloride solution is also studied.
提出了化学镀镍溶液中的还原剂对PT C陶瓷的晶界产生还原从而影响PTC效应的观点。
It was proposed that the reducing agent of electroless plating solution could have some reducing reaction to the grain boundary of PTC ceramics and thus had influence on PTC effect.
成矿溶液为中等盐度的中性偏碱性水; 成矿作用是在低温、低压、弱氧化或弱还原条件下进行的。
The ore is formed in the conditions of low temperature, low pressure and weak oxidation or weak reduction.
接枝纤维在含铜化合物,含硫还原剂溶液中反应,制备PET导电纤维。
Then the AN-grafted PET fibres were treated in a solution containing copper-compound and sulfur reducing agent to obtain PET conductive fibre.
可以维持静止的溶液层,直至基本上耗尽在溶液层中的还原剂离子。
The quiescent solution layer can be maintained until the reducing agent ion in the solution layer is substantially depleted.
用硼氢化钾作还原剂,将溶液中汞离子还原成汞的蒸气原子,用载气导入原子化器中,直接用冷原子荧光光谱法测定水样中痕量汞。
Employ potassium borohydride as reducer, reduce mercuric ion in liquor to Hg vapour, the Hg vapour is carried to atomization device by ar gas, determined by cold-atomic fluorescence.
在电场作用下,电子与空穴分离,分别迁移到粒子表面的不同位置,与溶液中相似的组分进行氧化和还原反应。
In the electric field, and thee-hole separation, were moved to different locations on the surface of particles, and the solution is similar to the component for oxidation and reduction.
酸碱度和氧化还原电位是对砂岩型铀矿后生蚀变水溶液中铀溶解和沉淀有较大影响的两个因素。
The alterations in the formation of the phreatic water oxidation sandstone type uranium deposits can be divided into two types.
在绝缘部分上由钯导电体层形成溶液形成钯导电体层,所述溶液含有钯化合物、胺化合物和还原剂。
A palladium conductor layer is formed on the insulating part from a solution for palladium conductor layer formation which contains a palladium compound, an amine compound, and a reducing agent.
二氧化硫作还原剂,用碳酸铵溶液可实现从钴壳中选择性浸出镍、钴和铜。
Selective leaching of nickel, cobalt and copper from cobalt crusts was attained by using ammonium carbonate solution and sulfur dioxide gas as a reductant.
研究了采用可溶性钙盐对以乳酸为络合剂,次磷酸盐为还原剂的失效化学镀镍溶液的再生。
The method using soluble calcium salt for regeneration of waste electroless nickel plating liquor, in which the lactic acid used as complexing agent and hypophosphite used as redcing agent is studied.
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