The chemical composition is actually potassium nitrate.
化学成分实际上是硝酸钾。
单词 | nitrating |
释义 |
nitrating
英汉-汉英词典
硝化
词组 | 习惯用语
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nitrating agent [化学] 硝化剂 nitrating apparatus 硝化器 Nitrates n. 硝酸盐(nitrate的复数形式) apparatus for nitrating glycerine 硝化器 cobalt nitrate 硝酸钴 ferric nitrate [无化] 硝酸铁 nitrated cellulose 硝化纤维素 iron nitrate [无化] 硝酸铁 cerium nitrate 硝酸铈 peroxyacetyl nitrate 硝酸过氧化乙酰 网络短语:nitrating 掺氮; 硝化; 氮化; nitrating tissue 硝化薄页纸;硝化原纸 nitrating acid 硝化酸;翻译 nitrating pot 硝化釜; 翻译; 硝化锅; nitrating agents 硝化剂 nitrating system 硝化体系 nitrating taffair 硝化薄页纸 nitrating test 硝化试验;翻译 nitrating reaction 硝化合成
英语例句库
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原声例句
科学60秒-科学美国人 2020年6月合集 The chemical composition is actually potassium nitrate. 化学成分实际上是硝酸钾。 TED-Ed(视频版) Global water sources are polluted by excess ammonium nitrate from cornfields. 玉米田多余的硝酸铵污染全球水源。 BBC 听力 2020年11月合集 According to the source, someone is planning to smuggle enough ammonia nitrate into Argentina to produce a bomb. 根据消息来源,有人正计划向阿根廷走私足够的硝酸氨来制造一枚炸弹。 唐顿庄园精讲 And this is solution of nitrate of silver. 这是销酸银溶液。 PBS访谈社会系列 Officials said that 2, 700 tons of ammonium nitrate blew up. 相关官员表示有2700吨硝酸铵爆炸。 经济学人-科技 The first set of particles are made of titanium nitrate. 第一组颗粒是由硝酸钛制成的。 VOA慢速英语_世界 Ship crews might dump more sulfur and nitrates into the ocean. 船员可能会向海洋中排放更多的硫和硝酸盐。 Scishow 精选系列 Only these crystals were made of sodium nitrate and sodium acetate, not sugar. 只不过这些晶体是由硝酸钠和醋酸钠制成的,而不是糖。 WIL生活启示录 The main suspect bad compounds put specifically in processed meat are nitrates and nitrites. 加工过的肉类中,主要被怀疑有害的化合物是硝酸盐和亚硝酸盐。 生活小窍门 Therefore, it has been suggested that elite athletes might not benefit from nitrates supplementation. 因此,有人认为,优秀运动员可能不会从硝酸盐补充剂中受益。
中文百科
硝化反应 Nitration(重定向自Nitrating)
![]() ![]() ![]() ![]() 硝化是向有机化合物分子中引入硝基(-NO2)的过程,硝基就是硝酸失去一个羟基形成的一价的基团。芳香族化合物硝化的反应机理为:硝酸的-OH基被质子化,接着被脱水剂脱去一分子的水形成硝酰正离子(nitronium ion,NO2)中间体,最后和苯环行亲电芳香取代反应,并脱去一分子的氢离子。 在此种的硝化反应中芳香环的电子密度会决定硝化的反应速率,当芳香环的电子密度越高,反应速率就越快。由于硝基本身为一个亲电体,所以当进行一次硝化之后往往会因为芳香环电子密度下降而抑制第二次以后的硝化反应。必须要在更剧烈的反应条件(例如:高温)或是更强的硝化剂下进行。
英语百科
Nitration 硝化反应(重定向自Nitrating)
![]() ![]() ![]() ![]() Nitration is a general class of chemical process for the introduction of a nitro group into an organic chemical compound. More loosely the term also is applied incorrectly to the different process of forming nitrate esters between alcohols and nitric acid, as occurs in the synthesis of nitroglycerin. The difference between the resulting structure of nitro compounds and nitrates is that the nitrogen atom in nitro compounds is directly bonded to a non-oxygen atom, typically carbon or another nitrogen atom, whereas in nitrate esters, also called organic nitrates, the nitrogen is bonded to an oxygen atom that in turn usually is bonded to a carbon atom. |
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