在留學(xué)圈，通過學(xué)術(shù)活動(dòng)提升孩子的競爭力已經(jīng)是一個(gè)公開的“秘密”了。有意留學(xué)的家長及學(xué)生請注意！你們的機(jī)會(huì)來了，世界范圍廣受認(rèn)可的AMC 8報(bào)名通道已經(jīng)開啟！ 什么是美國數(shù)學(xué)學(xué)術(shù)活動(dòng)AMC？ 美國數(shù)學(xué)學(xué)術(shù)活動(dòng)AMC...
immc數(shù)學(xué)建模2023報(bào)名即將開始！是一項(xiàng)面向全球中學(xué)生的國際性新型數(shù)學(xué)建模學(xué)術(shù)活動(dòng)。參賽成績是申請美國、香港、新加坡名校的加分參考依據(jù)；有機(jī)會(huì)獲得國內(nèi)大學(xué)自主招生加分。所以你準(zhǔn)備好了嗎？最后時(shí)間，大家...
NEC全美經(jīng)濟(jì)挑戰(zhàn)賽火熱報(bào)名中，nec報(bào)名截止日期還有一個(gè)月，沒有報(bào)名的抓緊時(shí)間了，早報(bào)名早進(jìn)入備賽的氛圍中。作為為數(shù)不多的經(jīng)濟(jì)商科方向可選高中國際學(xué)術(shù)活動(dòng)，NEC是千萬不能錯(cuò)過的高價(jià)值學(xué)術(shù)活動(dòng)！ 報(bào)名時(shí)間2...
Interpreting Particle Tracks Particle detectors that count particles, like Geiger-Muller tubes, are useful but they cannot distinguish different types of particle Modern detectors can show the?path...
Radius of a Charged Particle in a Magnetic Field A charged particle in uniform?magnetic field?which is perpendicular to its direction of motion travels in a?circular?path This is because the?magnet...
對于2023年的AP考試，讓很多考生糾結(jié)。首先大陸AP考試報(bào)名已經(jīng)于9月19日開始，但是僅限AP學(xué)校的考生報(bào)名，還有大量的社會(huì)考生無法參與報(bào)名，同時(shí)，大陸考場也有部分科目（比如歷史類）不能考，這兩類學(xué)生都比較期...
Particle Accelerators & Detectors Linear Accelerators A linear accelerator (LINAC) is a type of particle accelerator that accelerates ions (charged particles) to very high speeds in?straight li...
Thermionic Emission When metals are?heated, the conduction electrons within them gain?energy If these electrons gain sufficient energy, they are able to leave the surface of the metal This is known...
Alpha Particle Scattering Evidence for the structure of the atom was discovered by Ernest Rutherford in the beginning of the 20th century from the study of?alpha?particle scattering This structure ...
