astronomy

Xi Zhenfeng

Xi Zhenfeng 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 Xi Zhenfeng rather than just read about it. In short: Xi Zhenfeng (Chinese: 席振峰; pinyin: Xí Zhènfēng; born April 2, 1963, in Henan) is a Chinese organic chemist. Xi received his B.S. degree from Xiamen University in 1983, and his M.S. degree from Nanjing University, Zhengzhou University and Henan Institute of Chemistry in 1989.

Key takeaways

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

Reference excerpt

Xi Zhenfeng (Chinese: 席振峰; pinyin: Xí Zhènfēng; born April 2, 1963, in Henan) is a Chinese organic chemist. Xi received his B.S. degree from Xiamen University in 1983, and his M.S. degree from Nanjing University, Zhengzhou University and Henan Institute of Chemistry in 1989. He joined Professor Tamotsu Takahashi's group at the Institute for Molecular Sciences, Japan, as a Ph.D. course student in 1993 and obtained a Ph.D. degree in 1996. He took an assistant professor position at Hokkaido University, Japan, in 1997, after he worked as a postdoctoral research fellow with Professor Takahashi at Catalyst Research Centre, Hokkaido University. In 1998, he joined the Department of Chemistry, Peking University, China, as an associate professor and was promoted to professor in 1999. He is a Chang Jiang Scholar Distinguished Professor (since 2001) of Peking University. In 2015, he became the academician of Chinese Academy of Sciences. His research interests are focused on organometallic chemistry and organic synthesis, including development of synthetic methodologies based on selective cleavage of C–H, C–C and C–X bonds mediated by organometallic compounds, development of organometallic reagents, study on mechanisms of reactions involving reactive organometallic intermediates, and synthesis of functional structures. He is now serving as editor or consultant for several international academic journals, including:

Applied Organometallic Chemistry (John-Wiley), Associate Editor (since 2008). Tetrahedron and Tetrahedron Letters (Elsevier), Board of Consulting Editors (since 2008). Synlett and Synthesis (Thieme), Advisory Board (since 2009). Asian Journal of Organic Chemistry (John-Wiley), Editorial Board (since 2012). Organic Letters (ACS), Associate Editor (since 2013). He has been visiting professors for several universities/institutes in the worlds, including:

Hokkaido University, Japan, 2006 University of Rennes 1, France, 2007 RIKEN, Japan, 2010

References and links

Worked examples

Example 1 — a first encounter with Xi Zhenfeng

Start with the simplest possible case. Write down what Xi Zhenfeng 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 Xi Zhenfeng 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 Xi Zhenfeng 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 Xi Zhenfeng

In research: Xi Zhenfeng 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 Xi Zhenfeng 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: Xi Zhenfeng is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1963 births, Academic staff of Hokkaido University, Academic staff of Peking University, so understanding it makes those chapters shorter.
In everyday life: Look for Xi Zhenfeng 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 Xi Zhenfeng in 20 minutes

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

Frequently asked questions

What is Xi Zhenfeng in simple terms?

Why does Xi Zhenfeng 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 Xi Zhenfeng?

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 Xi Zhenfeng.