Seven years ago his father, Robert, produced a diamond in a high-pressure chamber of carbon gas and dropped it into an acid solution to clean it off.
七年前他的父亲罗伯特在一间高压碳气室中制造了一颗钻石,把它放入酸性溶液中清洗干净。
Deactive resin is regenerated with 3.5% (mol) sulfuric acid solution.
失活树脂用摩尔分数为3.5%的硫酸溶液再生。
Though it is soluble in the acid solution, it can be degraded and isn't steady.
虽然它能溶于酸溶液中,但会发生降解而不稳定。
OBJECTIVE:To examine the stability of chlorinated lime and boric acid solution.
目的:考察含氯石灰硼酸溶液的稳定性。
The oxalic acid solution can be re-used through displacement for reducing the cost.
置换后草酸溶液循环使用,降低了成本。
The sulfuric acid solution was then cooled and added slowly to 360 KG of ice water.
冷却硫酸溶液并缓慢加入到360千克冰水中。
By anode oxidation, thick film is obtained when aluminium is in sulphuric acid solution.
对铝在硫酸溶液中采用阳极氧化的方法制取厚氧化膜的工艺进行了研究。
A hydraulic fracture job on a carbonate reservoir using an acid solution as the frac fluid.
利用酸溶液作压裂液对碳酸盐储层进行的水力压裂作业。
The invention provides a method for reusing yellow-ginger saponin industrial waste acid solution.
本发明提供了一种黄姜皂素工业废酸液的回用方法。
It reports that L-ascorbic acid's polarographic oxidation wave in acid solution and its application.
报道了L -抗坏血酸在酸性溶液中的极谱氧化波及其应用。
This paper analyzes the cause of insoluble impurity in acid solution which exists in barium chromate.
本文从理论上分析了铬酸钡生产中酸不溶物产生的原因。
The resistance to chemical attack of NSAAS cement in acid solution, sulfate solution, sea water was studied.
研究了中性钠盐碱矿渣水泥在酸性溶液、硫酸盐溶液和海水中的抗化学侵蚀性能。
Chitosan hydrogel was synthesized in acetic acid solution with chitosan using glutaraldehyde as crosslinker.
以壳聚糖为原料,用戊二醛作为交联剂,在醋酸溶液中合成壳聚糖水凝胶。
Kinetic experiments of Br - oxidation on a rotating disk platinum electrode in acid solution were carried out.
在酸性溶液中,使用旋转圆盘电极,研究了溴离子电极氧化反应的动力学特性。
Comparing with the membrane of chitosan, some of hybrid membranes could not be dissolved in thin acid solution.
与壳聚糖膜相比,部分杂化膜不溶解于稀酸溶液。
Compared with other amino acid solution groups, DNA shift distance in 20AA group was with the trend of decrease.
给予复方氨基酸输液的三组大鼠外周血淋巴细胞DNA移动距离差异无显著性意义,但20AA组有缩短的趋势。
Nitric acid solution (HNO3), is an oxidizing acid (depletes electron from the metal surface) which erodes the metal.
硝酸溶液(HNO3)是氧化性酸(去除材料表面的电子),它可以腐蚀材料。
The polymerization of acrylonitrile in aqueous nitric acid solution with sodium nitrite as initiator has been studied.
研究了亚硝酸钠引发硝酸溶液中丙烯腈的聚合反应。
The influence of microwave-acid solution on the effect of chestnut preservation was researched by orthogonal experiment.
采用正交试验方法研究了微波-酸浸对板栗贮藏效果的影响。
The adsorption properties of niobium oxalate complex in oxalic acid solution with W-305C exchange resin were investigated.
研究了W 305 C离子交换树脂从草酸溶液中吸附铌草酸配合物的性能。
Cocoon floss contains lots of positive charges in acid solution, so it can adsorb anion dye at acid condition theoretically.
茧衣在酸性条件下含有大量正电荷,对阴离子染料具有很好的吸附作用。
The properties of gold adsorption and desorption of R-519 resin in hydrochloric acid solution were studied by static method.
采用静态法研究了R-519树脂在盐酸介质中吸附、解吸金的性质。
The absorption of gold with CL-N235 extraction resin was studied in hydrochloric acid solution by atomic absorption spectrometry.
用原子吸收法研究了在盐酸介质中N235萃淋树脂吸附金的过程。
The adsorption properties of niobium oxalate complex in oxalic acid solution with 707 anion exchange resin have been investigated.
研究了707阴离子交换树脂从草酸溶液中吸附铌草酸配合物的特性。
The infection of different concentration chitosan- acetic acid solution surface sizing to the technical feature of paper was studied.
研究了不同浓度的壳聚糖-醋酸溶液表面施胶对纸的技术性能的影响。
The rheological behavior of polyamic acid solution and the influential factors on its viscosity were studied with a cone-plate rheometer.
采用锥板粘度计研究了聚酰胺酸溶液的流变性能及其粘度的影响因素。
Improved methods for treating metallurgical compositions involve reacting a metallurgical composition with an aqueous nitric acid solution.
用于处理冶金组合物的改进方法,该方法包括使冶金组合物与硝酸水溶液反应。
Controlling reaction conditions for acid and ozone concentration, to ignore the effects of · OH by adding the tert-butanol in acid solution.
控制反应条件为酸性和臭氧浓度恒定,再在酸性溶液中添加叔丁醇,以忽略自由基的影响。
A new process for producing polymeric iron sulfate, a new high efficient coagulant, directly from waste sulfuric acid solution is introduced.
介绍了一种用硫酸废液直接生产新型高效混凝剂——聚合硫酸铁的新工艺。
When determining TP of water using Phosphorus Molybdenum Blue Method, ascorbic acid solution was unstable, can only be kept for several weeks.
磷钼蓝法测定水中总磷,所用的抗坏血酸溶液很不稳定,只能保存数周。
应用推荐