雙十一囤課攻略:搶學位送課時,學習資料包免費得!
年末鉅惠,課程大戰(zhàn)最后一天! 錯過這次再等一年 那福利你沖不沖?沖!沖!沖! 翰林雙十一狂歡時間 2022年11月3日-11月15日 1、報名課程,返優(yōu)惠券 雙十一狂歡期間 報名翰林任意課程達到XX課時 額外獲贈優(yōu)惠券 ...
年末鉅惠,課程大戰(zhàn)最后一天! 錯過這次再等一年 那福利你沖不沖?沖!沖!沖! 翰林雙十一狂歡時間 2022年11月3日-11月15日 1、報名課程,返優(yōu)惠券 雙十一狂歡期間 報名翰林任意課程達到XX課時 額外獲贈優(yōu)惠券 ...
2022年11月14日,美國國務院、教育與文化事務局和國際教育協(xié)會(IIE)合作發(fā)布了《2022年美國門戶開放報告》。提出門戶開放的內(nèi)容有哪些?其中關(guān)于國際學生的調(diào)查結(jié)果顯示,2021至2022學年,美國大學國際學生數(shù)量...
Biochemical Tests: Proteins The Biuret test can be carried out quickly and easily in a lab to determine if a sample contains proteins Biuret ‘reagent’ contains an?alkali and copper (II) sulfate?whi...
Biochemical Tests: Lipids Identifying biological molecules Different?qualitative?reagents can be used to identfy the presence of biological molecules in samples Ethanol?is used to identify lipids B...
《哈佛國際評論》學術(shù)寫作挑戰(zhàn) 秋季賽報名倒計時 Harvard?International?Review?Academic?Writing?Competition 適合學生 全球9~12年級中學生,接受2人合作投稿 參賽時間(秋季賽) ● 報名截止時間:2022年11月15...
Biochemical Tests: Reducing Sugars & Starch Benedict’s solution?can be used to carry out a?semi-quantitative?test on a?reducing sugar solution?to determine the?concentration?of reducing sugar p...
Practical: Factors Affecting Membrane Structure & Permeability The?permeability?of?cell membranes?is affected by different?factors?or conditions, such as: Temperature Solvent concentration &nbs...
Practical: Investigating Water Potential Practical 1: Investigating water potential using potato cylinders It is possible to investigate the effects of immersing plant tissue in?solutions of differ...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記:4.5.2 Disposal of Addition Polymers Disposal of Addition Polymers Addition polymers are formed by the joining up of many small molecules wit...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記:4.5.1 Addition Polymers Monomers Polymers are large molecules of?high relative molecular mass?and are made by linking together large numbers...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記:4.4.2 Bromine & Alkenes Bromine & Alkenes Alkenes are a homologous series of hydrocarbon compounds with at least one?double bond?bet...
近日官網(wǎng)更新了數(shù)學&化學的半決賽入圍名單,至此北美賽區(qū)完整的半決賽入圍名單已新鮮出爐!讓我們來看看吧! 點我查看丘獎總決賽-內(nèi)地賽區(qū)入圍名單👆 根據(jù)官網(wǎng)賽程安排,入圍的學生將于11月19日參與半...
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