نتایج جستجو برای: plumb pb

تعداد نتایج: 36683  

Journal: :Science 1942
J T Patterson

ONE of the duties of the office of vice-president, if not the only one, is that of giving the address on the occasion of the annual Zoologists' dinner. Examination of a number of the papers which have been read by my predecessors in office shows that the speaker has entire freedom in the selection of his subject and the method of its presentation. The several addresses which were examined deal ...

Journal: :E3S web of conferences 2023

The results of satellite determinations, the recalculation geocentric coordinates into topocentric ones, and technology for creating a reference network its use transmitting to mounting horizons are shown. article compares obtained from determinations without taking account deviation plumb line with data on proposed technology. indicate effectiveness using coordinate system in assessing monitor...

1998
J. Rafelski

The hadronic particle production data from relativistic nuclear Pb–Pb 158 A GeV collisions are successfully described within the chemical non-equilibrium model, provided that the analysis does not include Ω and Ω abundances. We show that there is a subtle influence of the Coulomb potential on strange quarks in quark matter which is also seen in our data analysis, and this Coulomb effect confirm...

2013
Rui Melo Michel Antunes João Pedro Barreto Gabriel Falcão Paiva Fernandes Nuno Gonçalves

Estimating the amount and center of distortion from lines in the scene has been addressed in the literature by the socalled “plumb-line” approach. In this paper we propose a new geometric method to estimate not only the distortion parameters but the entire camera calibration (up to an “angular” scale factor) using a minimum of 3 lines. We propose a new framework for the unsupervised simultaneou...

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...

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