astronomy

Zhao Qiguo

Zhao Qiguo is a astronomy 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 Zhao Qiguo rather than just read about it. In short: Zhao Qiguo (Chinese: 赵其国; 25 February 1930 – 3 January 2023) was a Chinese soil scientist, and an academician of the Chinese Academy of Sciences. He was president of the Soil Science Society of China from 1987 to 1995.

Key takeaways

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

Reference excerpt

Zhao Qiguo (Chinese: 赵其国; 25 February 1930 – 3 January 2023) was a Chinese soil scientist, and an academician of the Chinese Academy of Sciences. He was president of the Soil Science Society of China from 1987 to 1995.

Biography Zhao was born in Hankou (now Wuhan, Hubei), on 25 February 1930. In 1949, he was admitted to the Department of Agronomy, Wuhan University. Due to the 1952 reorganisation of Chinese higher education, he became a student of Huazhong Agricultural University. After university in 1953, Zhao became the leader of Yunnan and Guizhou South China Rubber and Tropical Crop Suitable Forest Land Investigation Team. Between 1964 and 1968, he was deputy leader and then leader of China's expert group in Cuba. In 1973, he became the leader of Heilongjiang Wildland Resources Investigation Team, and served until 1978. In 1983, he was promoted to become director of the Institute of Soil Science, Chinese Academy of Sciences, a post he kept until 1995. On 3 January 2023, Zhao died in Nanjing, Jiangsu, at the age of 92.

Honours and awards 1991 Member of the Chinese Academy of Sciences (CAS) 1991 State Natural Science Award (Second Class) 2004 State Science and Technology Progress Award (Second Class)

References

Worked examples

Example 1 — a first encounter with Zhao Qiguo

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

In research: Zhao Qiguo appears in astronomy 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 Zhao Qiguo 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: Zhao Qiguo is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1930 births, 2023 deaths, 20th-century Chinese scientists, so understanding it makes those chapters shorter.
In everyday life: Look for Zhao Qiguo 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 Zhao Qiguo in 20 minutes

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

Frequently asked questions

What is Zhao Qiguo in simple terms?

Why does Zhao Qiguo matter?

Because it connects several astronomy 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 Zhao Qiguo?

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 Zhao Qiguo.