نتایج جستجو برای: جایگاه cng
تعداد نتایج: 33049 فیلتر نتایج به سال:
Cyclic nucleotide-gated (CNG) ion channels mediate cellular responses to sensory stimuli. In vertebrate photoreceptors, CNG channels respond to the light-induced decrease in cGMP by closing an ion-conducting pore that is permeable to cations, including Ca(2+) ions. Rod CNG channels are directly inhibited by Ca(2+)-calmodulin (Ca(2+)/CaM), but the physiological role of this modulation is unknown...
با افزایش استفاده از وسایل نقلیه و موتوری بحث مکان-یابی جایگاه‌های سوخت‌رسانی به این وسایل نقلیه در شهرها مورد توجه قرار گرفت. پراکنش نامناسب مکانی جایگاه‌های سوخت گاز طبیعی در شهرها از جمله مشکلاتی است که ذهن بسیاری از محققان مسائل شهری را به خود مشغول نموده است. موقعیت مکانی نیز از مهم ترین عوامل موثر در موقعیت یک جایگاه سوخت محسوب می‌شود و منجر به کسب درآمد بیشتر برای آن-ها و ارائه خدمات منا...
OBJECTIVE To test the hypothesis that very low birth weight infants fed by continuous nasogastric gavage (CNG) would achieve full enteral feedings (100 kcal/kg/d) at an earlier postnatal age and have less feeding intolerance (FI) than infants fed by intermittent bolus gavage (IBG). METHODS Eighty infants were stratified by birth weight (700 to 1000 g and 1001 to 1250 g) and randomized into CN...
Cyclic nucleotide-gated (CNG) channels are important mediators in the transduction pathways of rod and cone photoreceptors. Native CNG channels are heterotetramers composed of homologous A and B subunits. In heterologous expression systems, B subunits alone cannot form functional CNG channels, but they confer a number of channel properties when coexpressed with A subunits. To investigate the im...
Illumination of vertebrate rod photoreceptors leads to a decrease in the cytoplasmic cGMP concentration and closure of cyclic nucleotide-gated (CNG) channels. Except for Ca(2+), which plays a negative feedback role in adaptation, and 11-cis-retinal, supplied by the retinal pigment epithelium, all of the biochemical machinery of phototransduction is thought to be contained within rod outer segme...
Primary cilia are ubiquitous sensory organelles that concentrate transmembrane signaling proteins essential for sensing environmental cues. Mislocalization of crucial ciliary signaling proteins, such as the tetrameric cyclic nucleotide-gated (CNG) channels, can lead to cellular dysfunction and disease. Although several cis- and trans-acting factors required for ciliary protein trafficking and l...
Energy is one of the main pillars of the economic cycle. The environmental pollution caused by the consumption of gasoline and diesel fuel, the problems and limitations of supplying and supplying fuel within the country, moving towards self-sufficiency in the supply of gasoline and diesel fuel, reducing government spending against income and also allocating macro subsidies to keep their prices...
Energy is one of the main pillars of the economic cycle. The environmental pollution caused by the consumption of gasoline and diesel fuel, the problems and limitations of supplying and supplying fuel within the country, moving towards self-sufficiency in the supply of gasoline and diesel fuel, reducing government spending against income and also allocating macro subsidies to keep their prices...
The global policy solution seeks to reduce the usage of fossil fuels and greenhouse gas (GHG) emissions, biogas (BG) represents a solutions these problems. use could help cope with increased amounts waste fuels. Biogas be used in compressed natural (CNG) engines, but engine electronic control unit (ECU) needs modified. In this research, spark ignition (SI) was tested for mixtures hydrogen (volu...
Combustion phasing is the main obstacle to the development of controlled auto-ignition based (CAI) engines to achieve low emissions and low fuel consumption operation. Fuel combinations with substantial differences in reactivity, such as diesel/compressed natural gas (CNG), show desirable combustion outputs and demonstrate great possibility in controlling the combustion. This paper discusses a ...
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