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Qiu Guangming

Qiu Guangming 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 Qiu Guangming rather than just read about it. In short: Qiu Guangming (丘光明, b. 1936) is a researcher best known for her works on the history of Chinese metrology. Qiu was born in Nanjing in 1936.

Key takeaways

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

Reference excerpt

Qiu Guangming (丘光明, b. 1936) is a researcher best known for her works on the history of Chinese metrology. Qiu was born in Nanjing in 1936. In 1937, her parents fled the Japanese attack on the city, and resettled in Chongqing. Desiring to be an artist, the young Qiu studied painting, and then taught it for a while. In 1963, she was assigned to work in a factory in Beijing in a job unrelated to her youthful aspirations—the production of measuring equipment for the Chinese National Institute of Metrology (NIM). During the Cultural Revolution, many researchers at the NIM had been fired, and in 1976 Qiu was asked to become part of their staff. Although not formally awarded the title of researcher until the 1990s, Qiu worked in a small group established on her arrival and tasked to survey historical Chinese metrology. Although she officially retired in 1999, Qiu became attached to her historical investigations, and continued to work at the Institute thereafter. According to Robert P. Crease, as the focus of the Institute shifted, no new personnel were hired to continue historical research, making Qiu the last surviving member of this group at NIM. Up until the 1980s, the reference work in Chinese metrology was a book by Wu Chenglou (吳承洛), Zhongguo dulianghengshi (中國度量衡史), first printed in 1937 and republished/revised a few times since (1957, 1993). It relies however mostly on literary accounts. The subsequently published research, among which Qiu books are prominent, has put more emphasis on archeological discoveries. Her 1992 book Zhongguo lidai duliangheng kao catalogs 1,481 extant metrological instruments spanning Chinese history from the Shang dynasty to modern times. A 2004 bibliographical survey notes that the book "contains many photographs of archeological remains, rubbings of inscriptions and illustrations drawn by Qiu Guangming herself. Archeological remains are described, and each major section is accompanied by a research article, containing tables summarizing the quantitative findings."

Selected publications Zhongguo lidai duliangheng kao (中國歷代度量衡考 — Investigations into the length, capacity and weight measures of China through the ages), Beijing: Kexue chubanshe (科学出版社 — Science Press), 1992, 520 p., ISBN 7-03-003283-7 Jiliangshi (计量史 — A history of metrology), Changsha: Hunan Jiaoyu chubanshe (湖南教育出版社), 2002, 669 p., ISBN 7-5355-3850-9; part of Zhongguo wulixueshi daxi 中國物理學史大系 — The great series of Chinese history of physics with translation by Yanming Zhang (张延明), Zhongguo gudai jiliang shi tujian (中国古代计量史图鉴 — A concise history of ancient Chinese measures and weights), Hefei: Hefei gongyedaxue chubanshe (合肥工业大学出版社 — Hefei University Press), 2005, 190p., ISBN 7-81093-284-5; bilingual edition: Chinese-English

References

Worked examples

Example 1 — a first encounter with Qiu Guangming

Start with the simplest possible case. Write down what Qiu Guangming 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 Qiu Guangming 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 Qiu Guangming 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 Qiu Guangming

In research
Qiu Guangming 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 Qiu Guangming 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
Qiu Guangming is common in secondary-school and first-year university syllabi. It links to neighbouring topics 20th-century Chinese historians, Artists from Nanjing, Historians from Jiangsu, so understanding it makes those chapters shorter.
In everyday life
Look for Qiu Guangming 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 Qiu Guangming in 20 minutes

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

Frequently asked questions

What is Qiu Guangming in simple terms?

Qiu Guangming (丘光明, b. 1936) is a researcher best known for her works on the history of Chinese metrology. Qiu was born in Nanjing in 1936.

Why does Qiu Guangming 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 Qiu Guangming?

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 Qiu Guangming.

Tags

  • 20th-century Chinese historians
  • Artists from Nanjing
  • Historians from Jiangsu
  • Living people
  • Metrology
  • Writers from Nanjing

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