نتایج جستجو برای: channels

تعداد نتایج: 139397  

Introduction: There is currently a debate over the interaction between Ca2+ channels and cannabinoid system on learning and memory processing. In this study, we examined the effect of acute injection of cannabinoid agonist (Win- 55212-2) (Win) or antagonist (AM251), following chronic injection of verapamil, as a L-type Ca2+ channels blocker, on passive avoidance (PA) test in male Wistar rats...

Journal: :international journal of nano dimension 0
el-sharkawy h. a. egyptian petroleum research institute (epri), petrochemical department, nasr city, cairo, egypt, p.o. box 11727.

this article describes an accurate subpico flowmeter bifurcatedin to liquid and gas flowrates less than 1mol/s for both mems/nems and cryogenic technology applications. the mems/nems are described as either two gauges (instrument), or quartz fluctuating forks, even if the liquid or gas flows through an element, as well as cryogenic technology consisting of arrays of either parallel photonic cry...

Journal: :journal of agricultural science and technology 2010
s. kouchakzadeh

most previous laboratory studies of local scour at bridge abutments were performed in rectangular channels in which the distributions of flow velocity and bed shear stress were considered uniform in the transverse direction. in reality however, bridge abutments are usually located in the floodplain zone of rivers where velocity and shear stress distributions are directly affected by the lat...

Purpose: The aim and objective of this report is to identify the benefits of interactive communication channels and to advice the FMCG business on how these new methods are better than the conventional methods. Design/ Methodology/Approach:  In this research article facts about advertisement and its effectiveness were collected from different surveys conducted by various agencies. Mainly second...

The momentum equation in the kinematic wave model is a power-law equation with two parameters. These parameters, which relate the discharge to the flow area, are commonly derived using Manning’s equation. In general, the values of these parameters depend on the flow depth except for some special cross sections. In this paper, improved estimates of the kinematic wave parameters for circular chan...

H. R. M Khalesifard, J. Mostafavi-Amjad,

Micro-channels are made over the Ag+/Na+ ion-exchanged soda-lime glass surface by interaction of an intense Ar+ laser beam and the silver ions inside the glass matrix. The Ar+ laser beam reduces the Ag+ ions inside the matrix. The Ag+ atoms aggregate into silver nano-clusters around the interaction area, inside the glass matrix. Aggregation of the silver atoms and the thermal effects of the int...

Hamid Gholami Pourbadie, Mohammad Sayyah,

Neuronal cells communicate with each other by producing electrical signals or action potentials (APs). Different ion channels, including Na+, K+ and Ca2+ channels, are involved in generation of AP. Once an AP is generated in the soma, it travels down entire the axon length toward its terminal in a self-generating fashion that ultimately conveys information between neurons in the neural circuit....

In this paper, a novel approximate solution to determine the Nusselt number for thermally developed, slug (low-prandtl), laminar, single phase flow in channels of arbitrary cross section is presented. Using the Saint-Venant principle in torsion of beams, it is shown that the thermally developed Nusselt number for low-prandtl flow is only a function of the geometrical parameters of the channel c...

Journal: :journal of agricultural science and technology 2014
s. m. mojaverian f. rasouli s. a. hosseini-yekani

one of the really important challenges facing agricultural producers is the choice of their product distribution channels. the present study is aimed at investigating the citrus marketing channel strategy and its determinants among citrus orchardists of mazandaran using a nested logit model. some two hundred and fifty two orchardists from 15 cities of mazandaran were taken as the study samples....

Journal: :مجله علوم اعصاب شفای خاتم 0
li-ming lee department of neurology, clinic of neurology and institute for translational neurology, university of münster, münster, germany juncal fernandez-orth department of neurology, clinic of neurology and institute for translational neurology, university of münster, münster, germany tobias ruck department of neurology, clinic of neurology and institute for translational neurology, university of münster, münster, germany stefan bittner department of neurology, university medical center of the johannes gutenberg-university, mainz, germany nikole bobak labex icst, institut de pharmacologie moléculaire et cellulaire, cnrs, and université de nice sophia-antipolis, sophia-antipolis, valbonne, france florian lesage labex icst, institut de pharmacologie moléculaire et cellulaire, cnrs, and université de nice sophia-antipolis, sophia-antipolis, valbonne, france

twik2 ion channels (k2p6.1, encoded by a gene named kcnk6) belong to the family of two-pore domain potassium channels. twik2 is also considered as a “silent” channel because of its inability to produce measurable currents in heterologous expression systems and its intracellular retention. it is expressed in different mammalian tissues including lymphoid organs and the vascular system. however, ...

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