加拿大QS前200大學(xué)本科錄取途徑！
隨著教育逐漸全球化，千軍萬(wàn)馬過(guò)獨(dú)木橋的“高考”已經(jīng)不是大家唯一的選擇，許多小伙伴們選擇高考結(jié)束就去國(guó)外的優(yōu)秀大學(xué)深造，由此加拿大等國(guó)也開(kāi)始認(rèn)可我們的高考成績(jī)。但是高考也不一定是適合每一個(gè)學(xué)生，大家也...
AQA A Level Physics復(fù)習(xí)筆記8.1.1 Rutherford Scattering
Rutherford Scattering Evidence for the structure of the atom was discovered by Ernest Rutherford in the beginning of the 20th century from the study of?α-particle scattering The experimental...
AQA A Level Physics復(fù)習(xí)筆記7.10.5 Transformer Inefficiencies
Inefficiencies in a Transformer Inefficiencies in a transformer appear not from just the core, but also in the wires The coils of wire have resistance This causes heat energy to be lost from...
2022 SIC S7全球站秋季賽-時(shí)間安排-環(huán)節(jié)設(shè)置
SIC S7全球站 今晚截止報(bào)名！ 截止時(shí)間：7月11日 23:59 晉級(jí)的同學(xué)們可不要錯(cuò)過(guò)時(shí)間啦！ SIC S7全球站 全球站參與者將從宏觀經(jīng)濟(jì)、行業(yè)競(jìng)爭(zhēng)、企業(yè)估值、風(fēng)險(xiǎn)管理等角度向金融大咖展示自己對(duì)所選股票的獨(dú)特解讀。 ...
AQA A Level Physics復(fù)習(xí)筆記7.10.4 Transformer Efficiency
Transformer Efficiency In reality, transformers are not 100% energy efficient This means their power output is less than the power input For an ideal (100% efficient) transformer, the...
AQA A Level Physics復(fù)習(xí)筆記7.10.3 The Operation of a Transformer
The Transformer Equation A transformer is A device that changes high alternating voltage at low current to low alternating voltage at high current, and vice versa This is designed to reduce ...
AQA A Level Physics復(fù)習(xí)筆記7.10.2 The Operation of an Oscilloscope
Oscilloscope as a DC & AC Voltmeter A Cathode-Ray Oscilloscope (CRO) is a laboratory instrument used to display, measure and analyse waveforms of electrical circuits It can therefore be used as...
AQA A Level Physics復(fù)習(xí)筆記7.10.1 Alternating Current & Voltage
Sinusoidal & Root-Mean-Square Current & Voltage An alternating current (a.c) is defined as: A current which periodically varies between a positive to a negative value with time This ...
IB DP Maths: AA HL復(fù)習(xí)筆記4.6.1 The Normal Distribution
What is a continuous random variable? A continuous random variable (often abbreviated to CRV) is a random variable that can take?any value?within a range of infinite values Continuous random variab...
美國(guó)頂尖大學(xué)學(xué)費(fèi)又漲價(jià)了！兩所美國(guó)頂尖院校宣布向國(guó)際生實(shí)行Need-Blind招生政策
隨著美國(guó)疫情的常態(tài)化，有些院校不光恢復(fù)了線下教學(xué)，還漲了學(xué)費(fèi)。相信大家前段時(shí)間都聽(tīng)說(shuō)了：美國(guó)頂尖大學(xué)的學(xué)費(fèi)又漲了！ 據(jù)悉，美國(guó)排名前30的大學(xué)中有27所正在提高下一學(xué)年的學(xué)雜費(fèi)。而自2019-2020學(xué)年以來(lái)，...
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 1.6 5 Ionic compounds: Bonds, Structure & Properties
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 1.6 5 Ionic compounds: Bonds, Structure & Properties Ionic bonding The positive and negative charges are held together by the strong?electrostatic forces...
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 1.6 4 Ionic Bonds: Dot & Cross Diagrams
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 1.6 4 Ionic Bonds: Dot & Cross Diagrams Ionic Bonds: Dot & Cross Diagrams Deducing Dot & Cross Diagrams for Ionic Compounds Sodium is a group 1 metal so...
