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The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.

概述了4-羟基香豆素的合成方法,绍了苯酚法,乙酰水杨酸法,水杨酸甲酯法,邻羟基苯乙酮法。

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The recovered hydrogenate has more impurity, so a new purification method was usedwhichsettl-ed the tail peak problem in finished Doxycycline Hyclate.

采用向盐酸西环素精制母液中加5-磺基水杨酸和水的方法,从精制母液中回收出氢,确定了最佳配比。

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Mild cases of diarrhea are treated with Bismuth subsalicylate (trade name Pepto-Bismol); extreme cases are treated with fluid and electrolyte replacement while the underlying disease passes.

症状较轻的可用次水杨酸铋治疗,严时要补充体液和电解质。

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Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol and methyl salicylate.

约有30种已从绿茶的香气中鉴别出来,其中主要的有苯甲醇、苯乙醇、已烯醇、沉香醇、香茅醇和甲基水杨酸酯。

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VOA Special 2016年6月合集

Elwood says many people have small amounts of salicylate in the body.

埃尔伍德表示多数人体内都含有少量的

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Osmosis-

Often anti-inflammatory medications are given, like sulfasalazine or mesalamine.

常用药物有柳氮磺吡啶、氨基等抗炎药物。

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Reel知识卷轴

Meadowsweet and the willow tree are containing a substance called salicylic acid, it's nature's version of aspirin.

绣线菊和柳树含有一叫做的物质,它是阿司匹林的自然版本。

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Scishow 精选系列

Another common treatment is salicylic acid, which doesn't kill the bacteria, but stops them from replicating.

另一常用的药物是,它不会杀灭细菌,但是能阻止细菌繁殖。

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VOA Special 2016年6月合集

In about 20 percent of patients, researchers have found a genetic mutation that may interact with the chemical.

研究人员发现,20%的患者体内产生与类化学物质有关基因突变。

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Chubbyemu胖鸸鹋

Bismuth subsalicylate is a salicylate, or more colloquially known as aspirin.

是一盐,或者更通俗的称呼:阿司匹林。

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十分钟快速妆容

It has salicylic acid and it's an exfoliant.

它含有,是一去角质产品。

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TED-Ed(视频版)

Soon, aspirin became synonymous with acetylsalicylic acid.

很快,阿司匹林就成乙酰的代名词。

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豪斯医生一

Can't you put me back on 5ASA?

不能给我开点儿乙酰吗?

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HSDR1

Can't you put me back on 5ASA? Maybe it'll work this time.

难道你不能让我继续使用5-氨基吗也许次会起作用 不大可能。

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TED-Ed(视频版)

In 1853, a French chemist managed to chemically synthesize the compound, creating a substance called acetylsalicylic acid.

1853 年, 一位法国化学家成功地化学合成化合物,产生叫做乙酰的物质。

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Scishow 精选系列

Chemicals like salicylic acid, for instance, might also activate genes that cause cells to make more collagen, or boost certain repair pathways.

像是一类的化学品,可能也能刺激造细胞的基因产生更多胶原,或者是促进某些修复活动的进行。

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Scishow 精选系列

It seems that for them, narciclasine prevents the production of enzymes and other proteins involved in aging, allowing the flowers to last longer.

对于它们来说,似乎可以阻止衰老过程中酶和其它蛋白质的产生,让它寿命更长。

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Fast Facts Non-Small-Cell Lung Cancer

The evidence for a protective effect of acetylsalicylic acid (aspirin) on lung cancer risk is inconsistent and limited to case-control studies.

乙酰(阿司匹林)对肺癌风险的保护作用的证据不一致,且仅限于病例对照研究。

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十分钟快速妆容

I don't use a tremendous amount of chemicals on my face, like no salycilic acid, or benzoyl peroxide, or anything like that.

我不在脸上使用大量的化学物质,比如、过氧化苯甲酰或其他类似的东西。

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文献阅读

A needle electrochemical sensor was developed based on a nitrogen-doped graphene (NDG) microelectrode for the analysis of salicylic acid (SA) in plants.

基于氮掺杂石墨烯(NDG)微电极,研制针状电化学传感器,用于植物中(SA)的分析。

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Crash Course 综合篇

Now if you swap the methyls out for a couple of other slightly more complicated groups, then you get acetylsalicylic acid, or aspirin.

现在, 如果将甲基换成其他几个稍微复杂一些的基团,就会得到乙酰或阿司匹林。

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译林版牛津高中英语(选修7)

About 2,500 years ago, the Greek physician Hippocrates, father of all doctors, made a juice from a tree bark containing salicylic acid for the same effect.

大约2500年前,希腊医师希波克拉底,也就是医药之父,用一含有的树的树皮做成一汁液以起到相同的效果。

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VOA Standard 2013年5月合集

Aspirin, for example, was derived in the 19th century from salicylic acid, a long-time remedy for pains and fever found in plants like willow and meadowsweet.

比如,阿司匹林是19世纪从提取出来的,长期以来药物被用来治愈疼痛和发烧,是在像柳树和绣线菊属植物样的植物中提取出来的。

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文献阅读

The NDG-based needle sensors and sensor arrays are reliable electrochemical platforms for the detection of SA in plant tissue both in vivo and in vitro.

基于NDG的针状传感器及其阵列是可靠的电化学平台,适用于植物组织中的活体与离体检测。

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