نتایج جستجو برای: reservoir flushing
تعداد نتایج: 47710 فیلتر نتایج به سال:
Molecular epidemiology of esophageal and upper aerodigestive tract cancers revealed that alcohol is more carcinogenic in persons with inactive aldehyde dehydrogenase-2 (ALDH2) than in those with active ALDH2. A simple questionnaire has been developed to screen for the facial flushing that occurs in persons with inactive ALDH2 when they drink even a single glass of beer. In this study, 266 of 28...
Typhoon Aere in 2004 induced severe sedimentation and loss of storage capacity the Shihmen Reservoir northern Taiwan. The resulting dramatic increase turbidity water seriously affected supply. To effectively maintain stability supply reservoir’s capacity, government Taiwan began to plan construct a series improvement measures, such as sediment flushing tunnel, JhongJhuang Bank-Side Reservoir, A...
Abstract Purpose As documented by multiple studies, the construction of artificial reservoirs influences fluvial processes. The hydrographic barrier causes a water regime change, and effects are evident in accumulation sediment reservoir as well intensification erosion process below dam due to lack sediments for transport river. Moreover, use lateral canals on additional transformations river s...
Abstract: Aim Man-made reservoirs lead to several changes in their downstream rivers that depend on the hydraulic characteristics of reservoirs. However, multiple uses can also provide facilities influence ecosystem services they provide. This study addressed potential ability a Neotropical reservoir trap chemical species aiming assess role these ecosystems mitigate pollution. Methods Retention...
Follicle flushing has been proved to be ineffective in polyfollicular in vitro fertilization. To analyze the effect of flushing in monofollicular in vitro fertilization we aspirated and then flushed the follicles in 164 cycles. Total oocyte yield/aspiration was 44.5% in the aspirate, 20.7% in the 1(st) flush, 10.4% in the 2(nd) flush and 4.3% in the 3(rd) flush. By flushing, the total oocyte...
BACKGROUND This study investigated whether there is any difference in drinking amount associated with abnormal expression of gamma-glutamyl transpeptidase (GGT), one of the biological markers of excessive drinking, between flushing and non-flushing women after drinking. METHODS The subjects were 797 women aged 20-59 years old who visited health promotion center of Chungnam National University...
BACKGROUND The use of niacin in the treatment of dyslipidemias is limited by the common side effect of cutaneous vasodilation, commonly termed flushing. Flushing is thought to be due to release of the vasodilatory prostanoids prostaglandin D2 (PGD2) and prostaglandin E2 from arachidonic acid metabolism through the cyclooxygenase pathway. Arachidonic acid is also metabolized by the cytochrome P4...
Two experiments were conducted, aimed at improving the practicability of the method for transcervical embryo collection in Boer goats described by Pereira et al. [Pereira, R.J.T.A., Sohnrey, B., Holtz, W., 1998. J. Anim. Sci. 76, 360-363]. Invention of a hammock-like restraining device, use of a wider-bore flushing catheter and a modified flushing mode contributed toward this end. The importanc...
Fluvial flows carrying high sediment loads may plunge into reservoirs to form turbidity currents. However, the effects of tributary inflows on reservoir currents have remained poorly understood date. Here a 2D double layer-averaged model is used investigate series laboratory-scale numerical cases. By probing hydro-sediment-morphodynamic processes, we find that location and inflow conditions dis...
The experimental approach has been used to study successfully the relationship between the polymorphism of aldehyde dehydrogenase 2 and the flushing syndrome. In the present study, a probabilistic approach was used to analyse this relationship. Using cross-impact analysis and experimental data, the probability of the occurrence of flushing, the extent by which ALDH2*2/*2 enhances flushing more ...
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