نتایج جستجو برای: 5 parallel transects with 300

تعداد نتایج: 9656609  

Journal: :Ocean Science 2022

Abstract. A self-contained turbulence instrument from Rockland Scientific was installed on a light autonomous underwater vehicle (AUV) OceanScan Marine Systems and Technology Lda. We report the data quality discuss limitations of dissipation estimated two shear probes during deployment in Barents Sea February 2021. The AUV mission lasted for 5 h, operating at typical horizontal speed 1.1 m s−1....

Journal: :international journal of advanced biological and biomedical research 2015
fatemeh panahi mohammad hassan asareh mohammad jafari alireza givar ali tavili

objective: salt stress is a world-wide problem and soil salinity is common in arid and semi-arid regions. this study was undertaken to investigate salt tolerance in salsola orientalis in laboratory and natural conditions and recognize the mechanisms that allow it to tolerate these conditions. methods: this study had two parts of greenhouse and natural habitats. the treatment solutions for salin...

2015
Scott M. Reid Vadim Panov

The distribution and status of native and non-native crayfish are monitored across hundreds of lakes in Ontario (Canada). However, a corresponding effort has not been undertaken in flowing waters. Reliable and efficient sampling methods are essential for the detection of new aquatic invaders and tracking the spread of existing invasive species. In this study, a recent dataset for the invasive r...

2005
Ian M. Westbrooke Ralph G. Powlesland

This study investigates the hypothesis that tomtits are significantly less susceptible to 1080 poison operations when cereal rather than carrot bait applications are used, both at relatively low sowing rates. We made counts of territorial male tomtits along transects during standard 1080 possum control operations in 2001 to 2003. The transects had 3–5 kg ha sowing rates of either carrot or cere...

Objective: Salt stress is a world-wide problem and soil salinity is common in arid and semi-arid regions. This study was undertaken to investigate salt tolerance in Salsola orientalis in laboratory and natural conditions and recognize the mechanisms that allow it to tolerate these conditions. Methods: This study had two parts of greenhouse and natural habitats. The treatment s...

Objective: Salt stress is a world-wide problem and soil salinity is common in arid and semi-arid regions. This study was undertaken to investigate salt tolerance in Salsola orientalis in laboratory and natural conditions and recognize the mechanisms that allow it to tolerate these conditions. Methods: This study had two parts of greenhouse and natural habitats. The treatment s...

Journal: :Neuron 2010
Anne M. Taylor Daniela C. Dieterich Hiroshi T. Ito Sally A. Kim Erin M. Schuman

The polarized nature of neurons and the size and density of synapses complicates the manipulation and visualization of cell biological processes that control synaptic function. Here we developed a microfluidic local perfusion (microLP) chamber to access and manipulate synaptic regions and presynaptic and postsynaptic compartments in vitro. This chamber directs the formation of synapses in >100 ...

2009
Edward H. Bair Karl W. Birkeland Jeff Dozier

We present results on the geometry and depth distributions for transects along the crowns of small to large avalanches. Previous research suggests that power laws in aggregate distributions of crown depths result from observers recording maximum depth. We therefore studied individual crown transects to obtain information about the parent distributions, using in situ and photogrammetric measurem...

2009
Pieter I. Olivier Sam M. Ferreira Rudi J. van Aarde

We used dung surveys to estimate population size and extracted an age structure from boli diameters for the elephants living in the Maputo Elephant Reserve. Our estimate was based on published defecation rates, dung decay rates, distance-sampling techniques and 1,672 dung piles encountered on 204 line-transects. The reserve had at least 311 (95% CI: 198–490) elephants at a density of 0.60 (95% ...

ژورنال: سلامت کار ایران 2009
جاوید روزی, نیلوفر, منظم, محمد رضا, نصیری, پروین,

Background and aimsThe paper presents the results of an investigation on the acoustic  performance of tilted profile parallel barriers with quadratic residue diffuser tops and faces.MethodsA2D boundary element method (BEM) is used to predict the barrier insertion loss. The results of rigid and with absorptive coverage are also calculated for comparisons. Using QRD on the top surface and faces o...

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