Results 11 to 20 of about 2,845,050 (305)

The effects of nonlocal impact ionization on the speed of avalanche photodiodes [PDF]

open access: yes, 2003
The nonlocal enhancement in the velocities of charge carriers to ionization is shown to outweigh the opposing effects of dead space, increasing the avalanche speed of short avalanche photodiodes (APDs) over the predictions of a conventional local model ...
David, J.P.R.   +4 more
core   +1 more source

Bryozoan statoblasts from lake sediments in Madagascar, including two new species

open access: yesEuropean Journal of Taxonomy, 2023
Madagascar is a freshwater biodiversity hotspot, yet the current understanding of freshwater bryozoan diversity is limited. Using a dissecting microscope, bryozoan statoblasts were collected during macrofossil analysis of a sediment core, which was ...
Timothy S. Wood   +2 more
doaj   +1 more source

Ratification quotas in international agreements [PDF]

open access: yes, 2006
This paper analyses the role of ratification quotas in multilateral agreements over emission reduction. The higher is the quota, the lower is the level of emissions in case the agreement comes into force, but the higher is also the risk of failure.
Kohnz, Simone
core   +5 more sources

Pathological, bacteriological, and molecular characteristics of natural outbreaks of Johne's disease in goats of Fars Province, Iran

open access: yesInternational Journal of Mycobacteriology, 2016
Objective/Background: Johne's disease, also called paratuberculosis, is a very important chronic infectious disease of ruminants worldwide. The causative agent is an acid-fast bacterium, Mycobacterium avium paratuberculosis (MAP).
F Zarei Kordshouli   +2 more
doaj   +1 more source

Research on cross-sectional shape to improve mass efficiency of high-strength thin plate hollow frame bending strength

open access: yesNihon Kikai Gakkai ronbunshu, 2021
From the viewpoint of suppressing global warming, it is required to reduce CO2 emissions during driving by improving the fuel efficiency of automobiles.
Masanori HONDA   +3 more
doaj   +1 more source

Aportaciones al conocimiento florístico de la Sierra de Aracena (Huelva, España) [PDF]

open access: yes, 1985
A check list of the Sierra de Aracena (Huelva, Spain) is presented. A total of 900 vascular plants have been identificated.Se ha realizado un catálogo floristico de la Sierra de Aracena (Huelva, España), en el que se citan 900 táxones de plantas ...
Cabezudo, Baltasar, Rivera, J.
core   +4 more sources

Venezia ’900: il secolo delle mostre

open access: yesLaboratoire Italien, 2014
For Venice, the 20th century was a century of exhibitions, since the “invention” of the Biennale in 1895. With the development of cultural tourism, art exhibitions have flourished.
Nico Stringa
doaj   +1 more source

Unified definition of stress intensity factors at a sharp three-dimensional jointed corner

open access: yesNihon Kikai Gakkai ronbunshu, 2021
In the manufacture of electronic devices and MEMS, a wide variety of materials are jointed. For light-weight automobiles, CFRP materials are jointed with metallic materials.
Omar IBRAHIM   +2 more
doaj   +1 more source

Development and pilot of clinical performance indicators for English ambulance services [PDF]

open access: yes, 2010
Introduction: There is a compelling need to develop clinical performance indicators for ambulance services in order to move from indicators based primarily on response times and in light of the changing clinical demands on services.
Black, Sarah   +5 more
core   +1 more source

The research on NOx formation in MILD combustion of primary combustion gas in waste incinerator

open access: yesNihon Kikai Gakkai ronbunshu, 2021
The flame structure and NOx formation of the inversed diffusion flame (IDF) and MILD combustion formed in the secondary combustion area of waste incinerator were experimentally investigated in order to clarify the NOx generation mechanism in the waste ...
Shuo TIAN   +4 more
doaj   +1 more source

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