2022高含金量美国文学艺术大赛Scholastic Art & Writing Awards已开启!
拥有100年历史、风靡全球的 高含金量美国文学艺术大赛 受到藤校、著名艺术学院的广泛认可 Scholastic Art & Writing Awards 学乐艺术与写作奖 比赛难度性:★★★★★ 比赛影响力:★★★★★ 比赛权威性:★★★★★ 带你...
拥有100年历史、风靡全球的 高含金量美国文学艺术大赛 受到藤校、著名艺术学院的广泛认可 Scholastic Art & Writing Awards 学乐艺术与写作奖 比赛难度性:★★★★★ 比赛影响力:★★★★★ 比赛权威性:★★★★★ 带你...
拿到AIME入场券后申请就万事大吉了? 虽然AMC系列赛事有非常高的含金量 但仅靠这项背景履历 就想“躺平”从全球数以万计的学霸中脱颖而出? 同样是晋级AIME的TA们可没有安于现状 快来看看拿到康奈尔/宾大全奖offer...
选校,想必是最让准留学生们纠结的问题了。不过大家最关注的,就要数英国大学的综合排名和专业排名了。2023QS世界雇主声誉度排名已发布!在被广泛使用的QS排名里,“雇主声誉”是最富有特色的一项指标。 众所周知,...
Hydrolysis of Esters Hydrolysis of Esters - Acid The reverse of the esterification reaction is called hydrolysis Ester hydrolysis is a useful reaction for creating biodegradable plastics Est...
Reactions of Carboxylic Acids In aqueous solution they are only slightly ionised, to give low concentrations of hydronium ions and alkanoate ions (often called carboxylate ions) This partial...
Preparation of Carboxylic Acids Carboxylic acids are compounds with a -COOH functional group They can be prepared by a series of different reactions Oxidation of primary alcohols & aldeh...
Physical Properties of Carboxylic Acids Carboxylic acids Carboxylic acid is the name given to the family of compounds that contain the carboxyl functional group, -COOH The general formula of...
Reactions of Carbonyls Carbonyl compounds can undergo a number of reactions, some of which allow you to distinguish between an aldehyde and a ketone Oxidation - with acidified potassium dich...
Aldehydes & Ketones Aldehydes and ketones contain the carbonyl functional group, C=O This is why aldehydes and ketones are also known as carbonyls The difference between aldehydes and ke...
© 2025. All Rights Reserved. 沪ICP备2023009024号-1