2022年怡和獎學金即將開放申請，申請牛劍的同學不要錯過！
最近有不少小伙伴咨詢英國本科有哪些獎學金可以申請。如果有，自己需要滿足什么條件？又該如何申請？何時申請呢？恰好本月中旬怡和獎學金將開放申請，本期小編與大家一起快速了解每年申請競爭相當激烈且金額豐厚...
CIE A Level Chemistry復習筆記7.4.1 Alcohols
Reaction of Alcohols With Acyl Chlorides Acyl chlorides?are?reactive?organic compounds with a?-COCl?functional group The carbonyl carbon is?electron-deficient?and has a?partial positive charge It i...
CIE A Level Chemistry復習筆記7.3.2 Reactivity of Halogenoarenes
Difference in Reactivity of Halogenoalkanes & Halogenoarenes Halogenoarenes?are very?unreactive?compared to?halogenoalkanes The difference in reactivity between the two compounds is because of ...
CIE A Level Chemistry復習筆記7.3.1 Production of Halogenoarenes
Production of Halogenoarenes Halogenoarenes?are arenes which are bonded to?halogen?atoms They can be prepared from?substitution reactions?of arenes with chlorine or bromine in the presence of an an...
CIE A Level Chemistry復習筆記7.2.4 Directing Effects of Substituents on Arenes
Arenes: Directing Effects of Substituents Arenes readily undergo?electrophilic substitution?of one of their hydrogen atoms with another species Substituents?that are already present on the arenes c...
CIE A Level Chemistry復習筆記7.2.3 Location of Halogenation on Arenes
Arenes: Location of Halogenation Arenes will undergo substitution reactions?with halogens to form aryl halides This reaction is also called a?halogenation?reaction Depending on the reaction conditi...
CIE A Level Chemistry復習筆記7.2.2 Electrophilic Substitution of Arenes
Arenes: Electrophilic Substitution The?electrophilic substitution?reaction in arenes consists of?three steps: Generation of an?electrophile Electrophilic attack Regenerating?aromaticity Mechanism o...
CIE A Level Chemistry復習筆記7.2.1 Reactions of Arenes
Reactions of Arenes Arenes are very stable compounds due to the?delocalisation of π electrons?in the ring This is because the negative charge is spread out over the molecule instead of being confin...
2022年澳大利亞留學計算機科學專業CS院校推薦
隨著科技的發展，互聯網時代下對科技人員的需求日益增多。而計算機相關專業一直是留學生的熱門選擇之一，在澳洲留學生群體之間更是如此。很多熱衷于計算機科學Master of computer science 的留學生們，也將澳洲大...
