Results 211 to 220 of about 892,023 (265)

Nitrogen vacancies in graphitic carbon nitride and their role in heterogeneous photocatalysis.

open access: yesMater Horiz
Landi A   +7 more
europepmc   +1 more source

Estimation of canopy gap size and gap shape using a hemispherical photograph

Trees - Structure and Function, 2009
Gap size and gap shape are two important properties of forest gaps that can influence microsite conditions in a forest stand and determine the recruitment and establishment of trees. There is no universally adopted method for measuring the gap size, although several options are available.
Jiaojun Zhu, Lile Hu, Li Junsheng
exaly   +2 more sources

Size Quantization in n-GaP

Semiconductors, 2020
The size-quantized energy spectrum and the electron wave function in the X3 and X1 subbands of the conduction band of n-GaP are calculated.
V. R. Rasulov   +3 more
openaire   +1 more source

On Gapped Set Intersection Size Estimation

Proceedings of the 24th ACM International on Conference on Information and Knowledge Management, 2015
There exists considerable literature on estimating the cardinality of set intersection result. In this paper, we consider a generalized problem for integer sets where, given a gap parameter δ, two elements are deemed as matches if their numeric difference equals δ or is within δ. We call this problem the gapped set intersection size estimation (GSISE/),
Chen Chen 0017   +2 more
openaire   +1 more source

The Employer Size-Wage Gap: Evidence for Britain

Economica, 1993
. University of Edinburgh and University of SussexFinal version received 5 May 1992.This paper presents estimates for the employer plant size-wage gap for Britain. Using anordered probit model, selectivity-corrected wage equations are estimated for three plant sizecategories.
Main, Brian G M, Reilly, Barry
openaire   +1 more source

A patient-sized gap to fill

British Journal of Nursing, 2018
Alan Nobbs, Senior Programme Lead, NHS Leadership Academy, reflects on how moving from hands-on nursing to a strategic role left him with feelings of loss, but he now gains equal satisfaction from motivating colleagues
openaire   +2 more sources

GAPS IN MAMMALIAN BODY SIZE DISTRIBUTIONS REEXAMINED

Ecology, 1999
Holling suggested that discontinuities in the body size distributions among species of animals are a universal feature of terrestrial biomes. We compared the magnitudes of body size gaps of mammal communities of North America and Australia to those generated by a simple random null model.
Evan Siemann, James H. Brown
openaire   +1 more source

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