نتایج جستجو برای: pb accumulations

تعداد نتایج: 39795  

2007
G. Wrochna

Trigger capability for dimuon events is discussed. The acceptance and low momentum reach are calculated. The rates of muon trigger caused by prompt muons, hadron decays and hadronic punchthrough are examined. A trigger strategy for Pb-Pb collision is proposed to ensure high efficiency for the signal and acceptable background rates. Possible modifications for lighter ions are briefly discussed. ...

2017
Jean Bollard James N Connelly Martin J Whitehouse Emily A Pringle Lydie Bonal Jes K Jørgensen Åke Nordlund Frédéric Moynier Martin Bizzarro

The most abundant components of primitive meteorites (chondrites) are millimeter-sized glassy spherical chondrules formed by transient melting events in the solar protoplanetary disk. Using Pb-Pb dates of 22 individual chondrules, we show that primary production of chondrules in the early solar system was restricted to the first million years after the formation of the Sun and that these existi...

Journal: :Bulletin of the Geological Society of Greece 2001

Journal: :Journal of bacteriology 1987
R Acosta D R Lueking

Leucine deprivation of either phototrophically or chemotrophically growing cells of Rhodobacter sphaeroides resulted in a restriction in the continued accumulations of cellular RNA, phospholipids, and protein. Phototrophically growing cells also displayed restrictions in the accumulations of cellular carotenoids and bacteriochlorophyll. Leucine deprivation, however, did not provoke the accumula...

2014
Brenda J. Little Tammie L. Gerke Jason S. Lee

Despite obvious differences in morphology, substratum chemistry and the electrolyte in which they form, accumulations of iron corrosion products have the following characteristics in common: stratification of iron oxides/hydroxides with a preponderance of α-FeOOH (goethite) and accumulation of metals. Bacteria, particularly iron-oxidizing and sulfate-reducing bacteria have been identified in so...

2011
Helena Santos

A wide research program provided by heavy ion collisions is ongoing at the Large Hadron Col-lider with the aim of studying the properties of QCD matter at extreme temperatures and densities. The large acceptance and high granularity of the ATLAS Detector is well suited to perform detailed analyses on bulk phenomena, jets and leptonic probes. Measurements of these observables provided by the 9 µ...

2013
Ying Sun Wujuan Zhang You-Hai Xu Brian Quinn Nupur Dasgupta Benjamin Liou Kenneth D. R. Setchell Gregory A. Grabowski

Gaucher disease results from GBA1 mutations that lead to defective acid β-glucosidase (GCase) mediated cleavage of glucosylceramide (GC) and glucosylsphingosine as well as heterogeneous manifestations in the viscera and CNS. The mutation, tissue, and age-dependent accumulations of different GC species were characterized in mice with Gba1 missense mutations alone or in combination with isolated ...

2017
Wei Li Li Huang Raj Ganesh S. Pala Guang-Hong Lu Feng Liu James W. Evans Yong Han

Wei Li,1 Li Huang,1,* Raj Ganesh S. Pala,2,3 Guang-Hong Lu,4,5 Feng Liu,6 James W. Evans,7,8 and Yong Han7,8,† 1Department of Physics, Southern University of Science and Technology, Shenzhen, Guangdong 518055, People’s Republic of China 2Department of Chemical Engineering, Indian Institute of Technology Kanpur, UP, 208016, India 3Material Science Programme, Indian Institute of Technology Kanpur...

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