edgepedia

Physical world and mathematics

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Jin (斤) (mass)

The jin (斤) is a Chinese customary unit of mass, about 500 g in mainland China and around 600 g in Taiwan and Hong Kong.

Jin Kon Kim

Jin Kon Kim (김진곤) is a Korean polymer scientist and Professor Emeritus at POSTECH known for block copolymer self-assembly, mesoporous materials, and more than 300 papers.

Jin Meng

Jin Meng, also cited as Meng Jin, is a vertebrate paleontologist who curates fossil mammals at the American Museum of Natural History and studies Mesozoic mammal evolution.

Jin Wu (吴京)

Jin Wu (吴京, 1934–2008) was an ocean engineer and fluid dynamicist elected to the US National Academy of Engineering in 1995, who served as Taiwan's Minister of Education from 1996 to 1998.

Jin Z. Zhang

Jin Z. Zhang, also published as Jin Zhong Zhang, is a professor of chemistry and biochemistry at UC Santa Cruz known for ultrafast laser spectroscopy of semiconductor and metal nanomaterials.

Jin-Quan Yu

Jin-Quan Yu (余金权) is a synthetic chemist at Scripps Research known for palladium-catalyzed C–H activation with directing groups and bifunctional ligands, widely used in drug discovery.

Jin‐Ho Choy

Jin-Ho Choy (최진호), born in 1948, is a South Korean inorganic and materials chemist known for two-dimensional nanohybrid materials and drug and gene delivery research.

Jin'ichi Nagumo

Jin'ichi Nagumo (南雲仁一, 1926–1999) was a Japanese applied mathematician and engineer, professor at the University of Tokyo, best known for the 1962 FitzHugh–Nagumo nerve-axon equation.

Jing Li

Jing Li (李静) is a solid-state inorganic chemist who is Distinguished Professor of Chemistry at Rutgers, known for metal–organic frameworks and hybrid semiconductors for clean-energy applications.

Jing‐Li Luo

Jing-Li Luo (骆静利), also published as Jingli Luo, is a Canadian electrochemist known for solid oxide fuel cells, formerly a professor at the University of Alberta and now a distinguished professor at Shenzhen University.

Jingguang G. Chen

Jingguang G. Chen is an American chemical engineer and Thayer Lindsley Professor at Columbia University who studies bimetallic and carbide catalysts for hydrogen production and CO2 conversion.

Jingrong Jean Cui

Jingrong Jean Cui, known as J. Jean Cui, is a medicinal chemist who led the design of the FDA-approved cancer drugs crizotinib, lorlatinib, and repotrectinib.

Jingsheng Chen

Jingsheng Chen (陈景升) is a materials scientist and professor at the National University of Singapore known for current-induced and field-free spin–orbit torque switching of perpendicular magnetization.

Jinsang Kim

Jinsang Kim is a materials chemist at the University of Michigan, where he holds the Raoul Kopelman Collegiate Professorship and works on metal-free organic phosphors and biosensors.

Jinwoo Cheon

Jinwoo Cheon (천진우) is a South Korean inorganic chemist and nanomedicine researcher who works on magnetic nanoparticles for imaging, therapy, and wireless cell control, and founded magnetogenetics.

Jiong Lu

Jiong Lu (吕炯) is a Singapore-based chemist and professor at the National University of Singapore known for atomically precise work on graphene nanoribbons, quantum antidots, and single-atom catalysts.

Jiri Jonas

Jiri Jonas is a Czech-born physical chemist, professor emeritus at the University of Illinois Urbana-Champaign, who pioneered high-pressure NMR spectroscopy and directed the Beckman Institute from 1993 to 2001.

Jiří Souček

Jiří Souček (1943–2024) was a Czech mathematician born in Prague who worked on analysis and the calculus of variations, coauthoring the two-volume Springer monograph Cartesian Currents in the Calculus of Variations (1998).

Jiro Abe

Jiro Abe (阿部 二朗) is a Japanese materials chemist and professor at Aoyama Gakuin University, known since 2005 for the world's first high-speed photochromic molecule, decolorizing in about 180 milliseconds.

Jirō Maki

Jirō Maki (牧二郎, born 1929) is a Japanese theoretical particle physicist who worked in Shoichi Sakata's Nagoya group and co-authored the 1962 paper introducing two-neutrino mixing, the origin of the PMNS matrix.

Jiro Takeuchi

Jiro Takeuchi (竹内 二郎) is a Japanese mathematician and professor at Tokyo University of Science known for work on the Cauchy problem for Schrödinger-type partial differential operators.

Jitter

Jitter, also called timing jitter, is the deviation of a signal's transitions from their ideal timing relative to a reference clock; in packet networks it means variation in delay between arriving packets.

Jiun-Haw Chu

Jiun-Haw Chu is an experimental condensed matter physicist and Professor of Physics at the University of Washington, known for quantum materials research including 2D magnetism.

Jiwoong Park

Jiwoong Park is a condensed-matter physicist and James Franck Professor at the University of Chicago, known for growing and imaging atomically thin two-dimensional materials like graphene.

JJY

JJY is the call sign of Japan's standard time and frequency radio signal, operated by NICT since 1940 and best known for setting radio-controlled clocks and watches.

JMP (statistical software)

JMP, pronounced "jump," is a family of statistical analysis software created by SAS co-founder John Sall in 1989, linking interactive data visualization with statistics through a point-and-click interface.

Joachim Barrande

Joachim Barrande (1799–1883) was a French geologist and paleontologist who settled in Prague after the 1830 July Revolution and spent decades describing Bohemia's Early Palaeozoic fossils in his 22-volume Système silurien.

Joachim Burgdörfer

Joachim Burgdörfer is an Austrian theoretical atomic physicist, professor at TU Wien since 1997, known for the over-the-barrier model of ion neutralization and attosecond photoemission delays.

Joachim Lambek

Joachim (Jim) Lambek (1922–2014) was a German-born Canadian mathematician at McGill University who founded the Lambek calculus and became a central figure in category theory.

Joachim Maier

Joachim Maier (born 1955) is a German physical chemist known for pioneering nanoionics and for leading solid-state research at the Max Planck Institute in Stuttgart.