IB DP Physics: HL复习笔记8.2.2 Black-Body Radiation
Black-Body Radiation Black body radiation is the name given to the thermal radiation emitted by all bodies (objects) All objects, no matter what temperature, emit black body radiation in the form o...
美国名校是如何进行划分的？常春藤、公立常春藤、新常春藤区别是什么？
美国的名校，多少都有title傍身，最早我们熟悉的就是常春藤联盟（IVY League），虽说是以一个体育联盟的名义起家，但是依旧代表了美国私立教育的最高水准，很多人都以爬藤为目标。随着教育水平的提高、各个学校综...
IB DP Physics: HL复习笔记8.2.1 Conduction, Convection & Thermal Radiation
Conduction Thermal energy transfers from hotter areas to cooler areas by the processes of: Conduction Convection Radiation Objects will always lose heat until they are in thermal equilibrium (same ...
AQA A Level Maths: Pure复习笔记4.4.1 Geometric Sequences
Geometric Sequences What do I need to know about geometric sequences? In a geometric sequence, there is a common ratio between consecutive terms in the sequence You need to know the nth term...
IB DP Physics: HL复习笔记8.1.6 Safety Issues in Nuclear Power
Safety Issues in Nuclear Power Safety Measures for Workers Several measures are in place to reduce the worker’s exposure to radiation The fuel rods are handled remotely ie. by machines The nuclear ...
IB DP Physics: HL复习笔记8.1.5 Energy Generation
Energy Generation You need to know about the main ways of generating electricity: The equipment involved The advantages and disadvantages Calculate power obtained for different setups These revisio...
IB DP Physics: HL复习笔记8.1.4 Energy Resources
Energy Resources Energy resources are large stores of energy that can be transferred from one form into electrical energy that can be used by society Generating energy reliably requires the use of ...
IB DP Physics: HL复习笔记8.1.3 Primary & Secondary Energy Sources
Primary Energy Sources Primary energy sources are found in nature and have some stored energy capacity To be a primary energy source, there must be: No processing or refining Stored energy must occ...
IB DP Physics: HL复习笔记8.1.2 Sankey Diagrams
Sankey Diagrams Diagrams are used to represent energy transfers These are sometimes called Sankey diagrams The arrow in a Sankey diagram represents the transfer of energy: The end of the arrow poin...
IB DP Physics: HL复习笔记8.1.1 Specific Energy
Specific Energy The amount of energy that a fuel can provide for the amount of fuel used is an important consideration for the modern world In order to compare fuels by unit, either mass or volume ...
IB DP Physics: HL复习笔记7.3.7 The Standard Model of Particle Physics
The Higgs Boson The Higgs-boson was predicted in 1964 The prediction included an approximate mass for the particle, at 125 GeV c–2 This prediction came from the standard model, which required the p...
哈佛大学公布2022年新生数据，国际学生占比提高，亚裔学生录取最多！
随着2021-2022学年的结束，许多美国大学开始公布2022年新生入学数据或更新明年的申请政策。前几日，MIT发布2022年秋季新生数据，3.96%的录取率真的让很多同学大吃一惊。 近日，哈佛大学公布了2022年新生录取数据...
