physics

Liu Boli

Liu Boli is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Liu Boli rather than just read about it. In short: Liu Boli (Chinese: 刘伯里; 17 March 1931 – 2 July 2018) was a Chinese nuclear chemist and expert in radiopharmaceuticals, considered a founder of the field in China. He was a professor at Beijing Normal University and an academician of the Chinese Academy of Engineering.

Key takeaways

Liu Boli belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Liu Boli to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Liu Boli from memory before moving on to harder problems.

Reference excerpt

Liu Boli (Chinese: 刘伯里; 17 March 1931 – 2 July 2018) was a Chinese nuclear chemist and expert in radiopharmaceuticals, considered a founder of the field in China. He was a professor at Beijing Normal University and an academician of the Chinese Academy of Engineering.

Early life and education Liu was born on 17 March 1931 in Changzhou, Jiangsu Province. After graduating from Changzhou Senior High School, he studied at the Department of Chemistry of East China Normal University in Shanghai, and earned his bachelor's degree in 1953. He was assigned to Beijing Normal University, where he worked and studied under Hu Zhibin (胡志彬). In 1958, he was transferred to the Institute of Nuclear Energy of the Chinese Academy of Sciences to study nuclear chemistry under Feng Xizhang (冯锡璋). It was a turning point in his career.

Career In the 1960s, Liu and his colleagues were tasked with recycling nuclear fuels from China's nuclear reactors. He worked under primitive conditions and was exposed to radiation for more than a decade, which caused his hair to turn gray before he was 40. Starting in 1974, Liu focused on the application of nuclear science in medical fields and the research and development of radiopharmaceuticals. He became a professor at Beijing Normal University and served as deputy chair of its chemistry department and director of its Institute of Applied Chemistry. He made important discoveries in the properties of technetium-99m (99mTc), a radioactive isotope of technetium, and developed several medicines using 99mTc. He also researched radioactive isotopes of halogens, including bromine-82, iodine-131, and astatine-211. Liu's research won many awards, including the National Science and Technology Conference Award (1979), the State Education Commission Science and Technology Progress Award, Second Class (1993 and 1998), and the State Science and Technology Progress Award, Second Class (1999). He was elected as an academician of the Chinese Academy of Engineering in 1997.

Death Liu died on 2 July 2018 in Beijing, at the age of 87.

References

Worked examples

Example 1 — a first encounter with Liu Boli

Start with the simplest possible case. Write down what Liu Boli claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Liu Boli before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Liu Boli ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Liu Boli

In research: Liu Boli appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Liu Boli in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Liu Boli is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1931 births, 2018 deaths, Academic staff of Beijing Normal University, so understanding it makes those chapters shorter.
In everyday life: Look for Liu Boli outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Liu Boli in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Liu Boli means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Liu Boli out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Liu Boli in simple terms?

Why does Liu Boli matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Liu Boli?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Liu Boli.