نتایج جستجو برای: buffer zone

تعداد نتایج: 152622  

2000
R. C. Robinson G. Barbe S. Murphy

Application of asulam herbicide by helicopter, as a primary treatment of bracken, requires appropriate buffer zones to protect non-target plants, conservation areas and water catchments from spray drift. Drift from large-scale applications of asulam were monitored at two moorland sites where helicopters were fitted with Delavan RD ‘Raindrop’ drift-reducing, hollow-cone nozzles. Drift was measur...

Journal: :Japanese journal of infectious diseases 2013
Nayu Sukehiro Nori Kida Masahiro Umezawa Takayuki Murakami Naoko Arai Tsunesada Jinnai Shunichi Inagaki Hidetoshi Tsuchiya Hiroshi Maruyama Yoshio Tsuda

The invasion of the yellow fever mosquito Aedes aegypti at Narita International Airport, Japan was detected for the first time. During the course of routine vector surveillance at Narita International Airport, 27 Ae. aegypti adults emerged from larvae and pupae collected from a single larvitrap placed near No. 88 spot at passenger terminal 2 on August 8, 2012. After the appearance of Ae. aegypt...

2005
D. W. Rassam

One of the beneficial roles of riparian buffers is the capacity to attenuate groundwater nitrate before it can discharge to streams. Denitrification is one of the most important processes that permanently removes nitrate from groundwater; it requires anoxic conditions, a carbon source, and a suitable residence time as the reaction is microbially mediated. As denitrification rates are highly dep...

2005
Démian Nave

Most Delaunay refinement-based meshing algorithms maintain a vertex-free “buffer zone” enclosing the edges and faces in the mesh boundary to guarantee a lower bound on edge lengths. To maintain this buffer zone, vertex insertions on or near the domain boundary must be strictly ordered—it is this ordering requirement that makes parallelization difficult. In this paper, we show that it is possibl...

2017
Akriti Khadka

The effects of invasion by Mikania micrantha in the buffer zone of Chitwan National Park (CNP) of Nepal are well documented; however the studies were confined to appraising the perception of household and did not assess the changes in livelihood activities after the invasion. This study presents the effects of invasion of M. micrantha on the livelihood of buffer zone of the Chitwan National Par...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1996
N P Issa A J Hudspeth

Neurotransmitter is released when Ca2+ triggers the fusion of synaptic vesicles with the plasmalemma. To study factors that regulate Ca2+ concentration at the presynaptic active zones of hair cells, we used laser-scanning confocal microscopy with the fluorescent Ca2+ indicator fluo 3. The experimental results were compared with the predictions of a model of presynaptic Ca2+ concentration in whi...

Journal: :Biomedical chromatography : BMC 1996
N Ercal K Le P Treeratphan R Matthews

A new method for the determination of reduced and oxidized glutathione by using capillary zone electrophoresis was developed and compared with the N-(1-pyrenyl)maleimide high-performance liquid chromotography method. The tissue samples were obtained from C57BL/6 mice and homogenized in deionized water. The detection wavelength was set at 214 nm. A 50-cm effective length x 75 microns i.d. uncoat...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2013
I C Valle D F Buss D F Baptista

We assessed two dimensions of stream connectivity: longitudinal (between forest patches along the stream) and lateral (riparian vegetation), using macroinvertebrate assemblages as bioindicators. Sites representing different land-uses were sampled in a lowland basin that holds a mosaic of protected areas. Land-use analysis, forest successional stages and riparian zone widths were calculated by t...

Journal: :Journal of pharmaceutical and biomedical analysis 2008
Kaname Ohyama Naoya Kishikawa Hiroo Nakagawa Naotaka Kuroda Masaharu Nishikido Mugen Teshima Hideto To Takashi Kitahara Hitoshi Sasaki

A simple capillary electrophoretic method was developed for simultaneous determination of mycophenolic acid (MPA) and its metabolites, acyl glucuronide (AcMPAG) and phenol glucuronide (MPAG), in human serum. The method utilized only running buffer in the separation, prior acidification of serum, and extraction with ethyl acetate. Separation was performed by capillary zone electrophoresis using ...

2008
A. R. Solangi S. Q. Memon M. Y. Khuhawar M. I. Bhanger

A simple and rapid capillary zone electrophoretic (CZE) method has been established for separation and quantification of a mixture of eight cephalosporins – cefadroxil (CFL), cefixime (CIX), cefuroxime sodium (CFR), ceftriaxone sodium (CTR), ceftizoxime (CFT), cefaclor (CFC), cefradine (CFD), and cefotoxime (CTA). Conditions affecting the separation were pH, buffer concentration, and applied po...

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