另一个问题是最终产品的提纯。
The other issue concerns the purification of final products.
提纯挥发性弱的物质。
我们已经把它提纯了。
如果你在做有机化学，想要提纯一些东西，这是很痛苦的？
If you're doing organic chemistry, and you're trying to purify things, this is a real pain, right?
激光还可以用于材料提纯。
这些金属可以用所谓“逐区提纯法”来提纯。
These metals may be purified by a technique called zone refining .
这些金属可以用所谓“逐区提纯法”来提纯。
These metals may be purified by a technique called zone refining.
这是一种贵金属二次资源的利用回收和提纯方法。
The method is to recycle and purify the secondary resources of noble metals.
在分析香兰素性质的基础上提出了新的提纯方法。
Based on the study of vanillin characteristics, new purification methods are presented.
如果高度提纯，这种色素的红光吸收型是蓝绿色的。
When highly purified, the red-absorbing form of the pigment is blue-green.
实验研究结果表明，微波可强化硅藻土的酸浸提纯。
The results of the experiments indicated that microwave could promote and strengthen acid leaching purification of diatomite ore.
刘德舟的墨色世界是一种美的高度提纯和心灵净化。
Liu Dezhou's ink world is a highly purification of beauty and soul.
真空蒸馏提纯硒利用元素的挥发性不同进行金属硒的提纯。
Purifying selenium by vacuum distillation. Metal selenium purification is on the base of different elemental volatility.
市售角鲨烯提取自鱼油—尤其是鲨鱼肝油，提纯后可用于药物制品和疫苗。
Squalene is commercially extracted from fish oil, and in particular shark liver oil. Squalene used in pharmaceutical products and vaccines is purified from this source.
本文论述了利用混合溶剂——结晶法提纯除虫脲的分析技术。
The method was established for purification of diflubenzuron by crystal technique with mixed solvents.
沼气燃烧之后可以供热或者发电，也可以将其提纯，用作汽车的燃料。
That gas is burned to create heat and electricity, or is refined as a fuel for cars.
并对GPV株系毒源进行了提纯；对其提纯方法有所改进和简化。
We have purified the samples of GPV strain, and improved and simplified the procedure of purification.
工人正在倾倒锂和盐水混合物，这些混合物会被运回实验室作进一步提纯。
A worker pours off the lithium and salt mixture that will be taken to a lab for further refining.
作为一种化学原料，它也被用于制造杀虫剂、提纯水、净化污水和制氨。
As a chemical it's also used in insecticides, water purification, sewage treatment and the production of ammonia.
经过：他用加热的方法提纯葡萄酒以便运输，打算到达目的地后再兑水还原。
What Happened: He used heat to concentrate wine in order to make it easier to transport, with the idea of adding water to reconstitute it when he arrived.
我知道威士忌是蒸馏来的。你刚才说“纯”，提纯和分离有什么不同呢？
I knew whisky is distilled. You say "pure", but what is the difference between purification and separation?
所以如果你真的去提纯，比方说，从乙醇水混合物里提纯乙醇，这就是操作方法。
So of course if you're really purifying, say, ethanol from an ethanol water mixture, that's how you do it.
介绍超临界二氧化碳萃取技术提纯辣椒红色素的工作原理及工艺流程。
This article introduces the working principle and technological process of the supercritical carbon dioxide extraction technology in refining paprika oleoresin.
本文研究了铕酞菁、钕酞菁利镨酞菁配合物的合成、提纯与表征的方法。
The synthesis, refinement and characterization of the phthalocyanine of europium, praseodymium and neodymium were intensively studied.
我们已经忘了，水可以洗濯洁净，火可以精炼提纯，大地是每个人的母亲。
We have forgotten that Water can cleanse, and Fire purify, and that the Earth is mother to us all.
与传统分离提纯技术相比，液膜分离技术具有简便、高效且成本低的特点。
Liquid membrane technique is a simple, efficient and cost-saving method compared with conventional separation and purification techniques.
溶析结晶是一种重要的分离和提纯技术，广泛应用于化工、医药、食品等领域。
It is an important separation and purification technique, which is widely used in the areas of chemical industry, pharmaceutical and food industry.
简约是一种时尚，但它不是现代都市喧嚣中的附着物，更是一种生活的提纯。
To be simple is to be fashionable. However, simplicity is not an attachment to the bustling city, but something representing a pure life.
九叶诗派的诗歌本体是一种提纯与升华了的经验，一种心灵与外物对话的情感哲学；
The noumenon of the poetry by Jiuye school is the purified and distiued experience and the emotional philosophy.
九叶诗派的诗歌本体是一种提纯与升华了的经验，一种心灵与外物对话的情感哲学；
The noumenon of the poetry by Jiuye school is the purified and distiued experience and the emotional philosophy.
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