science

Wu Guoqing

Wu Guoqing is a science 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 Wu Guoqing rather than just read about it. In short: Wu Guoqing (simplified Chinese: 乌国庆; traditional Chinese: 烏國慶; 5 December 1936 – 24 June 2019) was a Chinese police detective and forensic scientist. He solved or helped solve many high-profile crimes, and was acclaimed as "China's Sherlock Holmes".

Key takeaways

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

Reference excerpt

Wu Guoqing (simplified Chinese: 乌国庆; traditional Chinese: 烏國慶; 5 December 1936 – 24 June 2019) was a Chinese police detective and forensic scientist. He solved or helped solve many high-profile crimes, and was acclaimed as "China's Sherlock Holmes". He taught forensic science at the People's Public Security University of China, the Criminal Investigation Police University of China, and other police academies, and co-authored a number of textbooks in the field.

Biography Wu was born on 5 December 1936 in Balengguan Ranch (八楞罐牧场), Ningcheng County, Rehe Province (now in Inner Mongolia). He was a Mongol and grew up riding horses on grassland. When he was 14, Wu was selected to receive medical training at Chengde Health School in the provincial capital Chengde. In 1954, he moved to Shanghai to study at the Shanghai Institute of Forensic Medicine. He excelled in his studies, and two years later was admitted to the four-year graduate program at the institute to study forensic science under the guidance of Soviet experts. Wu participated in the investigation of many high-profile cases, including the Wang Zongfang and Wang Zongwei serial murders in the 1980s, the Qiandao Lake mass murder in the 1990s, the China Northern Airlines Flight 6136 arson case, the Ma Jiajue murder case, serial bombings in Xinjiang, the Shijiazhuang bombings in 2001, and the 2002 Huizhou bus arson that killed more than 30 people. Over a career spanning more than 50 years, Wu solved about 1,000 cases. He served as chief detective of the Ministry of Public Security and was voted China's "Most Popular Police Officer" in 2011. Since the 1980s, he had been acclaimed as "China's Sherlock Holmes". According to Wu himself, the most difficult case he solved was the Chen Ping (陈平) murder case. In September 2003, the half-naked body of Chen's wife was found in her bed at her home in Xianyang, Shaanxi. She was bound and gagged, in what appeared to be a rape-and-murder scene. After collecting and analyzing the evidence, including traces of sleeping pills in her stomach, Wu determined that it was Chen, a district prosecutor, who had killed his wife and attempted to disguise it as a rape-murder case. In January 2015, Chen was convicted of murder and sentenced to death. Wu taught as an adjunct professor at the People's Public Security University of China, the National Police University of China, and the provincial police academies of Zhejiang, Jiangsu, Jiangxi, Yunnan, and Henan. He also co-authored a number of textbooks in forensic science. Wu died on 24 June 2019 at Fuxing Hospital in Beijing, aged 82.

References

Worked examples

Example 1 — a first encounter with Wu Guoqing

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

In research: Wu Guoqing appears in science 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 Wu Guoqing 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: Wu Guoqing is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1936 births, 2019 deaths, Chinese people of Mongolian descent, so understanding it makes those chapters shorter.
In everyday life: Look for Wu Guoqing 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 Wu Guoqing in 20 minutes

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

Frequently asked questions

What is Wu Guoqing in simple terms?

Why does Wu Guoqing matter?

Because it connects several science 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 Wu Guoqing?

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 Wu Guoqing.