نتایج جستجو برای: پدیدهی knock
تعداد نتایج: 15981 فیلتر نتایج به سال:
The super-knock poses new challenges for further increasing the power density of spark ignition (SI) engines. critical factors and mechanism connecting regarding occurrence are still unclear. Misfire is a common phenomenon in SI engines that mixture cylinder not ignited normally, which often caused by plug failure. However, effect misfire on engine combustion has been paid enough attention to, ...
Glutathione peroxidase (GSHPx) is a critical intracellular enzyme involved in detoxification of hydrogen peroxide (H(2)O(2)) to water. In the present study we examined the susceptibility of mice with a disruption of the glutathione peroxidase gene to the neurotoxic effects of malonate, 3-nitropropionic acid (3-NP), and 1-methyl-4-phenyl-1,2,5,6-tetrahydropyridine (MPTP). Glutathione peroxidase ...
The molecular mechanism underlying renal hypertrophy and progressive nephron damage remains poorly understood. Here we generated congenic ribosomal protein S6 (rpS6) knock-in mice expressing nonphosphorylatable rpS6 and found that uninephrectomy-induced renal hypertrophy was significantly blunted in these knock-in mice. Uninephrectomy-induced increases in cyclin D1 and decreases in cyclin E in ...
Vesicular (v)- and target (t)-SNARE proteins assemble in SNARE complex to mediate membrane fusion. Tetanus neurotoxin-insensitive vesicular-associated membrane protein (TI-VAMP/VAMP7), a vesicular SNARE expressed in several cell types including neurons, was previously shown to play a major role in exocytosis involved in neurite growth in cultured neurons. Here we generated a complete constituti...
This paper studies the effect of nitric oxide (NO) on the onset of knock in a cooperative fuel research (CFR) engine. The experiments are conducted at both the standard knock intensity (SKI) condition for research octane number (RON) tests, as well as at a richer operating condition of a similar knock intensity but a higher compression ratio. Iso-octane is the fuel. The experiments show clearly...
این پایاننامه به « بررسی ابعاد سیطرهی جنسیت بر زندگی تبدیلخواهان جنسی» میپردازد. برای این منظور، دوازده نفر از تبدیلخواهان (شش نفر ftm و شش نفرmtf) مورد مصاحبهی عمیق ساختاریافته قرار گرفتند. نتایج با روش زمینهای و از طریق جداول کدگذاری دادهها مورد تجزیه و تحلیل قرار گرفت. یافتههای این تحقیق شامل شانزده تم اصلی و 196 تم فرعی میباشد. عبارتهای معناییِ تمهای اصلی بهدست-آمده بر اساس 16 جدول کدگذاری ا...
Cytochrome P450 4x1 (Cyp4x1) is expressed at very high levels in the brain but the function of this protein is unknown. It has been hypothesised to regulate metabolism of fatty acids and to affect the activity of endocannabinoid signalling systems, which are known to influence appetite and energy metabolism. The objective of the present investigation was to determine the impact of Cyp4x1 on bod...
Deficiency in the monoamine degradation enzyme monoamine oxidase A (MAOA) or prenatal exposure to the monoamine uptake inhibitor cocaine alters behavior in humans and rodents, but the mechanisms are unclear. In MAOA knock-out mice, inhibiting serotonin synthesis during development can prevent abnormal segregation of axons in the retinogeniculate and somatosensory thalamocortical systems. To inv...
Nowadays, an area-based approach seems to be common for urban policies in Western Europe. Policies are directed towards spatially defined areas in order to be more efficient in solving problems in cities. Yet, besides solving problems in the targeted area, an area-based approach has an in-built danger: it might lead to a displacement of problems. This so-called spatial knock-on effect is an eff...
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