搜索结果: 136-150 共查到“理学 Production”相关记录660条 . 查询时间(0.093 秒)
Simulation of Pair Production in Extreme Strong EM Fields
Schwinger-mechanism pair production space-time dependent fields
2012/5/29
In this article we review a theoretical framework for pair production from strong external electromagnetic fields. We propose a numerical method to solve the resulting equations of motion and present ...
Shielding Experiments Under JASMIN Collaboration at Fermilab(III) - Measurement of High-Energy Neutrons Penetrating a Thick Iron Shield from the Antiproton Production Target by AU Activation Method
JASMIN Collaboration High-Energy Neutrons Thick Iron AU Activation Method
2012/5/17
In an antiproton production (Pbar) target station of the Fermi National Accelerator Laboratory (FNAL), the secondary particles produced by bombarding a target with 120-GeV protons are shielded by a th...
Methane production and accumulation in the Nankai accretionary prism: Results from IODP Expeditions 315 and 316
Nankai accretionary prism IODP origin of methane carbon isotope methanogenesis
2017/4/11
Pore waters were taken from core sediments of Sites C0001, C0004, and C0008 on the landward slope of the Nankai
Trough and Site C0002 in the forearc basin of the Nankai accretionary prism off Kumano ...
Propagation of gamma rays and production of free electrons in air
Propagation of gamma rays production of free electrons Plasma Physics
2012/4/20
A new concept of remote detection of concealed radioactive materials has been recently proposed \cite{Gr.Nusin.2010}-\cite{NusinSprangle}. It is based on the breakdown in air at the focal point of a h...
Bromoform production from seawater treated with bromoperoxidase
Bromoform production seawater treated bromoperoxidase
2014/4/4
Bromoform (CHBr3; 11–486 fmol L−1 h−1), dibromomethane (CH2Br2; 0–9.4 fmol L−1 h−1), and low amounts of chloride-substituted chlorobromomethanes were produced from southern Cal...
Methyl halide production by cultures of marine proteobacteria Erythrobacter and Pseudomonas and isolated bacteria from brackish water
Methyl halide production proteobacteria Erythrobacter
2014/4/4
Bacteria were investigated for the production of methyl chloride, methyl bromide, and methyl iodide from
brackish water. Bacteria were isolated and incubated at 25uC, and the concentrations of methyl...
Carbon dynamics and community production in the Mississippi River plume
Carbon dynamics community production Mississippi River plume
2014/4/2
Dissolved inorganic carbon (DIC), total alkalinity (TAlk), pH, and dissolved oxygen (DO) were determined in the Mississippi River plume during five cruises conducted in the spring, summer, and fall. I...
Deterministic production of free-propagating Fock states of programmable photon number from a single atom-cavity system
Deterministic production free-propagating Fock states programmable photon number single atom-cavity system
2012/2/28
We propose a mechanism for producing Fock states on demand leaking from a single mode optical cavity interacting with a single atom and a laser pulse. The number of photons can be chosen, as it is det...
Optimization of a Mu2e production solenoid heat and radiation shield using MARS15
Optimization Mu2e production solenoid heat radiation shield MARS15
2012/2/28
A Monte-Carlo study of several Mu2e Production Solenoid (PS) absorber (heat shield) versions using the MARS15 code has been performed. Optimizations for material as well as cost (amount of tungsten) h...
Radiation and thermal analysis of production solenoid for Mu2e experimental setup
Radiation thermal analysis production solenoid Mu2e experimental setup
2012/2/28
The Muon-to-Electron (Mu2e) experiment at Fermilab, will seek the evidence of direct muon to electron conversion at the sensitivity level where it cannot be explained by the Standard Model. An 8-GeV 2...
Shielding experiments by the JASMIN collaboration at Fermilab (II) - Radioactivity measurement induced by secondary particles from the anti-proton production target
Shielding experiments the JASMIN collaboration Fermilab Radioactivity measurement secondary particles
2012/2/28
The JASMIN Collaboration has performed an experiment to conduct measurements of nuclear reaction rates around the anti-proton production (Pbar) target at the Fermi National Accelerator Laboratory (FNA...
Two-Stage Dilute Acid Hydrolysis of Dairy Manure for Nutrient Release, Solids Reduction and Reducing Sugar Production
Microwave Advanced Oxidation Solids Destruction Reducing Sugar Generation Nutrient Solubilization
2013/3/8
The microwave enhanced advanced oxidation process (MW/H2O2-AOP) aided with dilute sulfuric acid was applied in a two-stage treatment of dairy manure for nutrient release, solids reduction, and reducin...
Pair Production from Asymmetric Head-on Laser Collisions
Pair Production Asymmetric Head-on Laser Collisions High Energy Physics Phenomenology
2011/8/19
Abstract: We evaluate particle production in highly asymmetric head-on collisions of lasers pulses due to non-perturbative coherent action of many photons. We obtain the yield of electron-positron pai...
Peak Nothing: Recent Trends in Mineral Resource Production
Peak Nothing Recent Trends Mineral Resource Production Geophysics
2011/8/11
Abstract: The production histories of seventeen raw materials are analyzed with the logistic model. Although many of these resources have exhibited logistic behavior in the past, they now show exponen...
Common mistakes on "the production of electromagnetic waves" in many popular textbooks
Common mistakes electromagnetic waves college physics textbooks
2011/8/5
Abstract: The present article uncovers a common mistake in many college physics textbooks, specifically, on its presentation and interpretation about generation and propagation of electromagnetic wave...