astronomy

Hiroyoshi Ohashi

Hiroyoshi Ohashi 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 Hiroyoshi Ohashi rather than just read about it. In short: Hiroyoshi Ohashi (大橋広好, Ōhashi Hiroyoshi; born 1936) is a botanist formerly at the University of Tokyo and Tohoku University. He began publishing on Japanese Arisaema in the early 1960s.

Key takeaways

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

Reference excerpt

Hiroyoshi Ohashi (大橋広好, Ōhashi Hiroyoshi; born 1936) is a botanist formerly at the University of Tokyo and Tohoku University. He began publishing on Japanese Arisaema in the early 1960s. He published a couple of miscellaneous notes on Arisaema in 1963 and 1964 and these were followed by a revision of the genus for Japan jointly published in 1980 with J. Murata, and by the Araceae treatment for the Wildflowers of Japan (Ohashi, 1982). He continued the work of the noted botanist Hara on the Flora of Eastern Himalaya. He has also compiled a list of types of Arisaema in Japanese herbaria and studied pollen morphology of Japanese Arisaema (Ohashi et al., 1983).

Publications A proposal of Japanese names of cotyledon areoles and seed-coat inside areoles of legume seeds, Yasuhiko Endo, Hiroyoshi Ohashi, The Journal of Japanese Botany, 85, 2, 2010/04 Diversification of seed arrangement induced by ovule rotation and septum formation in Leguminosae, Yasuhiko Endo and Hiroyoshi Ohashi, Journal of Plant Research, 122, 5, 541-550, 2009/09 Phylogenetic Relationships of New World Vicia (Leguminosae) Inferred from nrDNA Internal Transcribed Spacer Sequences and Floral Characters, Yasuhiko Endo, Byoung-Hee Choi, Hiroyoshi Ohashi, Alfonso Delgado-Salinas, Systematic Botany, 33, 2, 356-363, 2008/05 Phylogenetic significance of stylar features in genus Vicia (Leguminosae): an analysis with molecular phylogeny, Byoung-Hee Choi, Dong-Im Seok, Yasuhiko Endo, Hiroyoshi Ohashi, Journal of Plant Research, 119, 449-457, 2006/09 A trifoliolate form of Vicia unijuga A. Br. (Leguminosae), Endo, Y. and Ohashi, H., The Journal of Japanese Botany, 80, 306-307, 2005/10 A New species of Indigofera (Leguminosae) in Luzon Isl. of the Philippines, Yasuhiko Endo, Hiroyoshi Ohashi, and Domingo A. Madulid, The Journal of Japanese Botany, 80, 261-265, 2005/10 Electrophoretic patterns of seed proteins in the East Asian Vicia species (Leguminosae) and their systematic utility, Elena Potokina, Yasuhiko Endo, Elly Eggi and Hiroyoshi Ohashi, The Journal of Japanese Botany, 78, 29-37, 2003/02 Ohashi, H. 1963. Notes on Arisaema robustum (Engl.) Nakai, a species of the Araceae in Japan. Sci. Rep. Tohoku Univ., ser. 4, Biol. 29: 431-435. _________. 1964. A note on Arisaema monophyllum var. akitense. J. Jap. Bot. 39: 19-23. _________. 1981a. List of type specimens in the herbaria of Japan - Ariseama. Herbarium, Dept. of Botany, Fac. Sci, Kyoto, Univ., Japan. _________. 1981b. Catalogue of the type specimens preserved in the Herbarium of Department of Botany in the University Museum, University of Tokyo. Part 1. Araceae. University Museum, The University of Tokyo Material Report No. 5: 1-27, pl. 1-63. __________. 1982. Araceae. pp. 127–139. In: Satake et al. (eds.), Wild Flowers of Japan. Herbaceous Plants—Monocotyledoneae. Heibonsha, Tokyo. ___________ & J. Murata. 1980. Taxonomy of the Japanese Arisaema. J. Fac. Sci. Univ. Tokyo, sec. 3, Bot. 12: 281-336. ____________, J. Murata, & M. Takahashi. 1983. Pollen morphology of the Japanese Arisaema. Sci. Rep. Tôhoku Imp. Univ., Ser. 4, Biol. 38: 219-251.

References

Worked examples

Example 1 — a first encounter with Hiroyoshi Ohashi

Start with the simplest possible case. Write down what Hiroyoshi Ohashi 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 Hiroyoshi Ohashi 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 Hiroyoshi Ohashi 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 Hiroyoshi Ohashi

In research: Hiroyoshi Ohashi 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 Hiroyoshi Ohashi 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: Hiroyoshi Ohashi is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1936 births, 20th-century Japanese botanists, Academic staff of Tohoku University, so understanding it makes those chapters shorter.
In everyday life: Look for Hiroyoshi Ohashi 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 Hiroyoshi Ohashi in 20 minutes

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

Frequently asked questions

What is Hiroyoshi Ohashi in simple terms?

Hiroyoshi Ohashi (大橋広好, Ōhashi Hiroyoshi; born 1936) is a botanist formerly at the University of Tokyo and Tohoku University. He began publishing on Japanese Arisaema in the early 1960s.

Why does Hiroyoshi Ohashi 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 Hiroyoshi Ohashi?

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 Hiroyoshi Ohashi.