Research and development for fhe production of pyrocatechol and hydroquinone by reaction of phenol with hydrogen peroxide and percarboxylic acid as hydroxylating reagent are introduced.
着重介绍用过氧化氢和过氧化羧酸作羟基化剂,使苯酚羟基化生成邻苯二酚和对苯二酚的研究开发进展。
| 单词 | hydroquinone |
| 例句 |
英语例句库
Research and development for fhe production of pyrocatechol and hydroquinone by reaction of phenol with hydrogen peroxide and percarboxylic acid as hydroxylating reagent are introduced. 着重介绍用过氧化氢和过氧化羧酸作羟基化剂,使苯酚羟基化生成邻苯二酚和对苯二酚的研究开发进展。 This paper intends to report three experimentally simple preparations of naphthoquinone, hydroquinone and the corresponding mixed quinhydrone,all redox chemistry being carried out in the solid state. 报导了通过固体氧化还原作用以制取α-萘醌,氢醌以及对应的醌氢醌试剂,所有反应均在固体状态下进行. 声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
原声例句
VOA常速英语_非洲 When used medically, hydroquinone can be an effective treatment for skin discoloration. 在医学上使用对苯二酚可以有效地治疗皮肤变色。 VOA Special 2014年7月合集 She uses a cream that is made from carrots and not the strong chemical, hydroquinone. 她使用胡萝卜制成的一种面霜，不含强化学物质对苯二酚。 VOA常速英语_非洲 Critics point out the ban have failed to stop smuggled hydroquinone products from being sold openly. 批评人士指出，禁令未能阻止走私对苯二酚产品公开销售。 VOA常速英语_非洲 The East African Legislative Assembly last week passed a resolution on the region-wide ban of hydroquinone's manufacture and importation. 上周，东非立法会议通过了一项关于在整个地区禁止对苯二酚生产和进口的决议。 VOA常速英语_非洲 Skin whitening products often use high concentration of hydroquinone which can cause skin problems or mix with other bleaching chemicals become toxic. 皮肤美白产品经常使用高浓度的对苯二酚，这会导致皮肤问题，或与其他漂白化学品混合，从而产生毒性。 |
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