In here, in solution you have all these molecules of solvent, molecules of salt, molecules of acid, or whatever, pH that are going to be around to buffer the pH.
在这里,溶液里包含了所有这些溶剂分子,盐分子酸分子和其它东西,可以用来缓冲。
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。
We end up with a diluted solution of sulfuric acid, various metals (including gold), and waste that then needs to be filtered.
最后我们得到了稀硫酸、各种金属(包括金)和废弃物,它们都需要过滤。
Dissolve a pinch of silver and mercury in a solution of nitric acid, drop in a lump of metal amalgam, and soon a spidery, glittering "Tree of Diana" will form on the glass.
在硝酸中溶解少量银和水银,再扔一小块金属混合物,不久,蛛网一样的闪亮的“戴安娜之树”就会在玻璃上形成。
Moreover, this miracle-working solution is said to produce "ten times" the power of lead-acid batteries at half the cost, sans the need for "toxic materials or chemicals."
另外,这种神奇的解决方案可以提供铅酸电池十倍的电量,没有有毒原料没有化学危害,而且价钱只有铅酸电池的一半。
Tannometers: Used to determine the tannic acid concentration of tanning solution.
制革计:测定制革溶液单宁酸的浓度之用。
Acetowhitening test: 5% acetic acid solution Waicha or wet dressing, 3 ~ 5 minutes later, the local white lesions were positive and clear boundary.
醋酸白试验:即用5%醋酸溶液外搽或湿敷患处,3 ~5分钟后,病灶局部变白且境界清楚者为阳性。
Chemical graining: the lithographic plate surface is etched to produce a fine grain by the application of a strong acid or alkali solution.
化学磨版:用强酸或强碱溶液在平版印版的版面上腐蚀,造成幼细微粒表面。
When you add water to baking powder, the dry acid and base go into solution and start reacting to produce carbon dioxide bubbles.
当你往泡打粉里加了水,干粉状态的酸和碱溶化,并开始反应,生产出二氧化碳气泡。
Screening for 2 - bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.
筛选以2-溴代丁酸为起始原料,经氨解,酯化,酯胺解,拆分,环合五步反应制得左乙拉西坦。
These systems are a citric based solution with additional organic acids, strong reducing agents, and acid chelants.
这些系统是以柠檬酸为基础添加有机酸、强还原剂和酸螯合剂。
Specimens prepared by polishing and etching in a weak solution of nitric acid and alcohol reveal the lamellar structure of alternating plates that forms on slow cooling.
通过打磨并在弱硝酸酒精溶液中蚀刻制备的样本显示出由缓慢冷却形成的交互层状的薄片结构。
The cooking liquor, called acid, is thus a solution of calcium which contains an excess of sulfurous acid.
蒸煮所用酸液是一种含有过量硫酸的酸性亚硫酸钙的溶液。
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。
During each acid pickling operation a sample piece of same material shall be kept inside the inhibited acid solution in the tank to check the quality of cleaning.
在每次酸浸操作中,应该将同种材质的试样放置在加入缓蚀剂的溶液内检查清洁程度。
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。
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。
Europium and terbium rare earth complexes with tetra carboxylic acid were successfully prepared in aqueous solution.
摘要在水溶液中合成了铕和试的四元羧酸稀土配合物。
Electric heating pipe can be widely used in heating water, oil, air, nitrate solution, acid solution, alkali solution and low melting point metal (aluminum, zinc, tin, Babbitt).
电加热管可广泛应用于加热水、油、空气、硝盐溶液、酸溶液、碱溶液和低溶点金属(铝、锌、锡、巴氏合金)。
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。
Soluble collagen was extracted from bovine tendon in acid solution.
利用酸碱溶解法,从牛腱中提取了可溶性胶原材料。
The traditional process, the chrome plating solution the chromium acid as the foundation and sulfuric acid as catalyst, the ratio of 100 to 1.
传统的镀铬工艺,其电镀液以铬酸为基础,以硫酸作催化剂,两者的比例为100:1。
The properties and adsorption of tantalum oxalate complex from oxalic acid solution byD290 macroporous anion exchange resin have been investigated.
研究了D290大孔阴离子交换树脂从草酸水溶液中吸附钽草酸配合物的性能和动力学。
The properties and adsorption of tantalum oxalate complex from oxalic acid solution byD290 macroporous anion exchange resin have been investigated.
研究了D290大孔阴离子交换树脂从草酸水溶液中吸附钽草酸配合物的性能和动力学。
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