Results 61 to 70 of about 5,069,927 (255)

Prediction of Potential Suitable Distribution Areas for an Endangered Salamander in China

open access: yesAnimals
Climate change has been considered to pose critical threats for wildlife. During the past decade, species distribution models were widely used to assess the effects of climate change on the distribution of species’ suitable habitats.
Jiacheng Tao   +5 more
doaj   +1 more source

The impact of wakeup schedule distribution in synchronous power save protocols on the performance of multihop wireless networks [PDF]

open access: yes, 2007
By definition, the operation of an asynchronous power save protocol permits an arbitrary distribution of nodes' wakeup schedules. This wakeup schedule distribution creates an uncoordinated pattern of times at which nodes will attempt to transmit ...
Ahlgren, Bengt   +2 more
core   +1 more source

Spatial Interference: From Coherent To Incoherent

open access: yes, 2008
It is well known that direct observation of interference and diffraction pattern in the intensity distribution requires a spatially coherent source. Optical waves emitted from portions beyond the coherence area possess statistically independent phases ...
De-Zhong Cao   +7 more
core   +1 more source

Distribution Pattern and Abundance of the Marine Hermit Crabs Population in Sindangkerta Beach of Cipatujah District, Tasikmalaya Regency [PDF]

open access: yes, 2018
The research has been conducted on April 2016. It aims to obtain the quantitative information concerning the distribution pattern and abundance of the Marine Hermit Crabs population. The applied research method is the descriptive method with the research
Permana, A. (Ari)   +2 more
core  

Magnetic pattern at supergranulation scale: the Void Size Distribution [PDF]

open access: yes, 2014
The large-scale magnetic pattern of the quiet sun is dominated by the magnetic network. This network, created by photospheric magnetic fields swept into convective downflows, delineates the boundaries of large scale cells of overturning plasma and ...
Berrilli, Francesco   +2 more
core   +3 more sources

Distribution Pattern of Stressful Events in Districts of Tehran, Iran: Evidence from a Regional Survey

open access: yesJournal of Research Development in Nursing and Midwifery, 2022
Background: Tehran metropolis has been the center of urban growth in Iran in recent decades, which has led to the growth of psychological problems and stressful events.
Fateh Tavangar   +2 more
doaj  

The Distribution of the Domination Number of a Family of Random Interval Catch Digraphs [PDF]

open access: yes, 2010
We study a new kind of proximity graphs called proportional-edge proximity catch digraphs (PCDs)in a randomized setting. PCDs are a special kind of random catch digraphs that have been developed recently and have applications in statistical pattern ...
Ceyhan, Elvan
core  

The precession of the HH 111 flow in the infrared [PDF]

open access: yes, 2011
We present Spitzer IRAC images of the HH 111 outflow, that show a wealth of condensations/knots in both jet and counterjet. Studying the positional distribution of these knots, we find very suggestive evidence of a mirror symmetric pattern in the jet ...
Arce   +25 more
core   +2 more sources

Scaling in the distribution of intertrade durations of Chinese stocks [PDF]

open access: yes, 2008
The distribution of intertrade durations, defined as the waiting times between two consecutive transactions, is investigated based upon the limit order book data of 23 liquid Chinese stocks listed on the Shenzhen Stock Exchange in the whole year 2003.
Chen, Wei   +2 more
core   +1 more source

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