chemistry

Shen Panwen

Shen Panwen is a chemistry 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 Shen Panwen rather than just read about it. In short: Shen Panwen (Chinese: 申泮文; pinyin: Shēn Pànwén; 7 September 1916 – 4 July 2017) was a Chinese chemist. Shen was born in September 1916 in Jilin City, Jilin, with his ancestral home in Conghua, Guangzhou and studied chemistry at National Southwestern Associated University.

Key takeaways

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

Reference excerpt

Shen Panwen (Chinese: 申泮文; pinyin: Shēn Pànwén; 7 September 1916 – 4 July 2017) was a Chinese chemist. Shen was born in September 1916 in Jilin City, Jilin, with his ancestral home in Conghua, Guangzhou and studied chemistry at National Southwestern Associated University. He taught at Nanjing University and was named an academician of the Chinese Academy of Sciences in 1980.

Death Shen died at the age of 100 on 4 July 2017.

References

Worked examples

Example 1 — a first encounter with Shen Panwen

Start with the simplest possible case. Write down what Shen Panwen claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, 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 Shen Panwen 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 Shen Panwen 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 Shen Panwen

In research: Shen Panwen appears in chemistry 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 Shen Panwen 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: Shen Panwen is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1916 births, 2017 deaths, Academic staff of Nanjing University, so understanding it makes those chapters shorter.
In everyday life: Look for Shen Panwen 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 Shen Panwen in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Shen Panwen 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 Shen Panwen out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Shen Panwen in simple terms?

Why does Shen Panwen matter?

Because it connects several chemistry 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 Shen Panwen?

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 Shen Panwen.