2023年香港AP考点新增考位,赶快报名!
此前,AP香港考评局已经开放2022-2023年度AP大考的考试报名,社会考生也可参与,因此AP考位十分紧张,使得不少考生担心考位问题。 在众多考生的呼吁下,香港考场宣布于10月31日开放新增考位,此前没有抢到考位的...
此前,AP香港考评局已经开放2022-2023年度AP大考的考试报名,社会考生也可参与,因此AP考位十分紧张,使得不少考生担心考位问题。 在众多考生的呼吁下,香港考场宣布于10月31日开放新增考位,此前没有抢到考位的...
Properties of Binomial Distribution What is a binomial distribution? A binomial distribution is a discrete probability distribution The discrete random variable follows a binomial distribution if i...
Edexcel IGCSE Physics: Double Science 复习笔记:7.2.5 Dangers of Radiation Dangers of Radiation Ionising radiation can damage human cells and tissues If the atoms that make up a DNA strand a...
Edexcel IGCSE Physics: Double Science 复习笔记:7.2.4 Contamination & Irradiation Contamination & Irradiation Contamination Contamination is defined as: The unwanted presence ...
Edexcel IGCSE Physics: Double Science 复习笔记:7.2.3 Uses of Radioactivity Uses of Radioactivity Radiation is used in a number of different ways: Medical procedures including diagnosis and ...
Edexcel IGCSE Physics: Double Science 复习笔记:7.2.2 Half-Life Half-Life It is impossible to know when a particular unstable nucleus will decay But the rate at which the activity of a sampl...
Edexcel IGCSE Physics: Double Science 复习笔记:7.2.1 Activity & Decay Activity and Decay Objects containing radioactive nuclei are called sources of radiation Sources of radiation decay...
Edexcel IGCSE Physics: Double Science 复习笔记:7.1.6 Detecting Radiation Detecting Radiation It is important to regulate the exposure of humans to radiation The amount of radiation received...
Edexcel IGCSE Physics: Double Science 复习笔记:7.1.5 Decay Equations Decay Equations Radioactive decay events can be shown using a decay equation A decay equation is similar to a che...
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