搜索结果: 1-15 共查到“理学 center”相关记录233条 . 查询时间(0.089 秒)
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Baby stars hatch from stellar eggs near galaxy’s center(图)
Baby stars hatch stellar eggs near galaxy center
2021/4/9
Astronomers have found stellar eggs containing baby stars around the center of the Milky Way galaxy. To make the discovery, the scientists used NSF's Atacama Large Millimeter/submillimeter Array (ALMA...
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Scientists take cues from Jules Verne to study life at the 'center of the Earth'(图)
Scientists Jules Verne center of the Earth
2019/11/22
In a modern-day journey to the center of the Earth, scientists are exploring the depths of the Soudan Underground Mine in Minnesota's Vermilion Range.There the researchers are working to understand th...
Wallflower or Center of the Pack? Baboons Find Their Place
Wallflower Center of the Pack Baboons Their Place
2017/7/20
Are you the kind of person who, at a party, tends to be surrounded by friends in the middle of the crowd, or do you prefer to find a quiet corner where you can sit and talk? Recent work by scientists ...
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Professor John Clarke,Boston University Center for Space Physics(图)
Boston University Center for Space Physics Professor John Clarke Planetary atmospheres UV astrophysics
2017/3/23
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Professor Ted Fritz,Boston University Center for Space Physics(图)
Boston University Center for Space Physics Professor Ted Fritz Space plasma physics magnetospheric physics
2017/3/23
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Professor Michael Mendillo,Boston University Center for Space Physics(图)
Boston University Center for Space Physics Professor Michael Mendillo Space physics planetary atmospheres
2017/3/23
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Professor Meers Oppenheim,Boston University Center for Space Physics(图)
Boston University Center for Space Physics Professor Meers Oppenheim Computational and theoretical space plasma physics
2017/3/23
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Associate Professor Merav Opher,Boston University Center for Space Physics(图)
Boston University Center for Space Physics Associate Professor Merav Opher Computational and theoretical plasma physics in space and astrophysics
2017/3/23
Merav Opher’s interests are in how plasma and magnetic effects reveal themselves in astrophysical and space physics environments. In particular, in how stars interact with the surrounding media, how t...
长江大学物理科学与技术学院力学课件第五章 Center of Mass and Linear Momentum
长江大学 物理科学与技术学院 力学 课件 第五章 Center of Mass and Linear Momentum
2017/2/23
长江大学物理科学与技术学院力学课件第五章 Center of Mass and Linear Momentum。
A better way to simulate accretion of the supermassive black hole at the center of the Milky Way is developed by PPPL and Princeton scientists
simulate accretion supermassive black hole Milky Way developed PPPL Princeton scientists
2017/1/9
Scientists at Princeton University and the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have developed a rigorous new method for modeling the accretion disk that feeds ...
Photochemistry of a Bacterial Photosynthetic Reaction Center Missing the Initial Bacteriochlorophyll Electron Acceptor
Carbon nanotubes Composite Terahertz properties
2016/5/25
A novel chromophore composition of the bacterial photosynthetic reaction center (RC) has been discovered: RCs lacking the L-side monomeric bacteriochlorophyll chromophore result from mutation of the n...
Energetics of Primary Charge Separation in Bacterial Photosynthetic Reaction Center Mutants:Triplet Decay in Large Magnetic Fields
horseradish peroxidase lignin peroxidase enzymatic oxidations N-demethylation methylene blue azure B azure C
2016/5/24
The triplet state of aromatic molecules forms and decays by intersystem crossing, as originally demonstrated by Kasha and Lewis. By contrast, the triplet state of the primary electron donor, 3 P, in p...
Excited State Electronic Asymmetry of the Special Pair in Photosynthetic Reaction Center Mutants:Absorption and Stark Spectroscopy
Dimerization Electron Transport Electrons Hydrogen Bonding Models, Chemical Mutagenesis, Site-Directed Oxidation-Reduction Photosynthetic Reaction Center Complex Proteins Rhodobacter sphaeroides Spectrophotometry Static Electricity
2016/5/23
The electronic absorption line shape and Stark spectrum of the lowest energy Q(y)() transition of the special pair in bacterial reaction centers contain a wealth of information on mixing with charge t...
Temperature Dependece of the Qy Resonance Raman Spectra of Bacteriochlorophylls,the Primary Electron Donor,and Bacteriopheophytins in the Bacterial Photosynthetic Reaction Center
Bacteriochlorophylls chemistry Electron Transport Infrared Rays Light-Harvesting Protein Complexes Pheophytins chemistry Photosynthetic Reaction Center Complex Proteins chemistry Research Support, U.S. Gov't, Non-P.H.S. Research Support,U.S. Gov't,P.H.S. Rhodobacter sphaeroides chemistry Spectrophotometry
2016/5/23
Qy-excited resonance Raman spectra of the accessory bacteriochlorophylls (B), the bacteriopheophytins (H), and the primary electron donor (P) in the bacterial photosynthetic reaction center (RC) of Rh...
Dielectric Asymmetry in the Photosynthetic Reaction Center
Dielectric Asymmetry Photosynthetic Reaction Center
2016/5/23
Although the three-dimensional structure of the bacterial photosynthetic reaction center (RC) reveals a high level of structural symmetry, with two nearly equivalent potential electron transfer pathwa...