Results 21 to 30 of about 17,966,355 (73)

Combined calculi for photon orbital and spin angular momenta

open access: yes, 2014
Context. Wavelength, photon spin angular momentum (PSAM), and photon orbital angular momentum (POAM), completely describe the state of a photon or an electric field (an ensemble of photons).
Elias II, Nicholas M.
core   +1 more source

For Better, or For Worse: Photographing in a Digitally Cluttered Crowd [PDF]

open access: yes, 2018
In recent years, smartphones have been utilized to photograph treasured moments. However, some are unaware they are distracting others in events such as weddings.
Carty II, Dale L.
core   +1 more source

A magnetic tight-binding model : the origin and the effects of the exchange-correlation hole in transition metals

open access: yes, 2019
The accuracy of a method solving an electronic many-body problem lies in the estimation of the exact exchange-correlation term. Many approximations are formulated for some special situations and how to tackle the correlations, leading to overestimated or
Eone II, Jacques René
core  

Effects of labeling and consumer health trends on preferred ground beef color characteristics, fat content, and palatability in simulated retail display [PDF]

open access: yes, 2017
Nutritional concerns and attempts to limit fat in the diet over the past decades have impacted the protein market, decreasing red meat consumption as well as prompting the advent of lean and extra lean ground beef.
Pohlman, Fred W, II
core   +2 more sources

Mercury Content of Waters in the Midcontinent Region [PDF]

open access: yes, 1980
Two major areas of the midcontinent region were investigated for their aqueous mercury concentrations. Sixteen surface water and 17 ground water samples were collected in an eleven county area of N.W. Arkansas, S.W. Missouri and N.E. Oklahoma (Ozark area)
Barber, Larry, II, Steele, Kenneth F.
core   +2 more sources

Reproductive Risk Factors for Breast Cancer: A Case Control Study [PDF]

open access: yes, 2009
Background: Breast cancer is second most important cancer among Indian women. Although risk factors are not much prevalent as in western countries, incidence rate is increasing in India.
Hiwarkar, PA, Kulkarni, PN, Meshram, II
core  

Facilitating Effective Food Security Policy Reform [PDF]

open access: yes
Food Security and Poverty, Downloads December 2008 - July 2009: 10,
Food Security II Faculty
core   +1 more source

Forward and inverse kinematics of double universal joint robot wrists [PDF]

open access: yes
A robot wrist consisting of two universal joints can eliminate the wrist singularity problem found on many individual robots. Forward and inverse position and velocity kinematics are presented for such a wrist having three degrees of freedom.
Williams, Robert L., II
core   +1 more source

Ice nuclei measurements from solid rocket motor effluents [PDF]

open access: yes
The ice crystal forming nuclei (IN) measured in solid rocket motor (SRM) exhaust products is discussed in relation to space shuttle exhaust. Preliminary results from laboratory investigations and flight preparations for March 1978 Titan launch are ...
Hindman, E. E., II
core   +1 more source

Regime changes and monetary stagflation [PDF]

open access: yes
This paper examines whether monetary shocks can consistently generate stagflation in a dynamic, stochastic setting. I assume that the monetary authority can induce transitory shocks and longer-lasting monetary regime changes in its operating instrument ...
Edward S. Knotek II
core  

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