نتایج جستجو برای: torrential risk
تعداد نتایج: 943536 فیلتر نتایج به سال:
Endoscopic injection of N-butyl-2-cyanoacrylate (Histoacryl) is widely used for the control of gastric variceal bleeding with initial hemostasis rates of 87-100% [1,2]. However, Histoacryl injection has been associated with major complications, including embolism, sepsis, fistula and adherence of the needle within the varix [3,4]. We report a 32-year-old male patient with chronic hepatitis B in...
In Japan, occasionally public transportation is temporarily suspended because of typhoons or torrential downpour. Hence, it becomes difficult for many people to return to their homes. Systems for returning refugees have been proposed. However, such systems do not necessarily give Anshin to the people. Anshin is a Japanese noun which stands for sense of security. In this research, we identify th...
After the devastation caused by two weeks of torrential rain in Venezuela in the second half of December 1999, it is estimated that up to 50,000 people have died in floods and landslides; a further 200,000 people have been left homeless as whole towns along the Caribbean coast have been washed away [1]. Concerned about the dramatic extent of this human tragedy, PRIVATEERS N.V. has immediately o...
Damaging hydrogeomorphological events are defined as one or more simultaneous phenomena (e.g. accelerated erosions, landslides, flash floods and river floods), occurring in a spatially and temporal random way and triggered by rainfall with different intensity and extent. The storm rainfall values are highly dependent on weather condition and relief. However, the impact of rainstorms in Mediterr...
Abstract Torrential flows (debris and debris floods) are mainly triggered by precipitation soil hydrological processes. Most early warning systems in torrential catchments rainfall-based. However, this approach can result frequent false positives, due to its pure black-box nature, which water conditions neglected. We aim contribute the understanding of required for triggering considering also s...
با توجه به اهمیت تالاب شادگان در محیط زیست ایران و افزایش آلودگی های منطقه، در پژوهش حاضر غلظت کل و منشایابی فلزات سنگین در رسوب تالاب شادگان مورد بررسی قرار گرفت. بدین منظور نمونه برداری از رسوب سطحی 10 ایستگاه با 3 تکرار صورت گرفت. جهت تعیین غلظت کل فلزات رسوب از روش (direct aqua regia)و برای آنالیز غلظت های فلزات در بخش های ژئوشیمیایی رسوب از روش استخراج پی در پی استفاده شد. آماده سازی نمونه...
Although endovascular transcatheter embolization of arteriovenous fistulas is minimally invasive, the torrential flow prevailing within a fistula implies the risk of migration of the deployed embolization devices into the downstream venous and pulmonary circulation. We present the endovascular treatment of a giant postnephrectomy arteriovenous fistula between the right renal pedicle and the res...
This is a preliminary attempt towards a wider use of Artificial Neural Networks in the management of mountainous water supplies. It proposes a model to be used effectively in the estimation of the average annual water supply, in each mountainous watershed of Cyprus. This is really a crucial task, especially during the long dry summer months of the island. On the other hand the evaluation of the...
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