نتایج جستجو برای: drainage pattern

تعداد نتایج: 388183  

Background: Historically open surgical drainage has been the treatment of choice for pyogenic liver abscess. The records of 54 patients with pyogenic liver abscess were reviewed to determine whether earlier diagnosis with current imaging tests and definitive treatment with antibiotics and aspiration drainage was an effective alternative to surgery. Methods: The clinical features, laborator...

ژورنال: علوم آب و خاک 2019
Abedi Koupai, J., Matinzadeh, M. M., Nozari, H., Sadeghi-Lari, A., Shayannejad, M.,

Selection of drainage equation with acceptable accuracy has always been a challenge for designers to design subsurface drainage systems. In this research, seven steady state drainage equations were used for predicting daily and cumulative drainage rate on a farmland of sugarcane in Imam agro-industrial Company. These drainage equation included Hooghoudt, Ernst, Kirkham and Dagan that have been ...

شمعانیان, غلامحسین, قلی پور, محسن, مظاهری, سید احمد, رقیمی, مصطفی,

Nowadays, acid mine drainage (AMD) is one of the most important problems in coal mine contamination. The Karmozd coal mines in Mazandaran Province are one of the largest and oldest coal extractions in Central Alborze Coal Basin. The samples of coals, host rocks, mine drainages and secondary surface minerals have been collected in summer season of 2005. On the basis of hydrogeochemistry studies ...

Journal: :آب و خاک 0
محمدرضا عسگری عبدالمجید لیاقت مسعود پارسی نژاد

abstract although lateral drains play the main role in removal of excess water from soil profile in subsurface drainage systems, but it is assumed that perforated collectors can directly remove a part of drainwater from soils. this part of discharge in subsurface drains is not usually taken into consideration in drainage design criteria, due to lack required information and its difficult estima...

Journal: :The Biological bulletin 2004
Evan J Fedorko R Gil Pontius Stephen P Aldrich Luc Claessens Charles Hopkinson Wilfred M Wollheim

This paper proposes a method to improve landscape-pollution interaction regression models through the inclusion of a variable that describes the spatial distribution of a land type with respect to the pattern of runoff within a drainage catchment. The proposed index is used as an independent variable to enhance the strength, as quantified by R2 values, of regression relationships between empiri...

Journal: :International journal of applied research 2022

Remote Sensing & GIS technique was used for extracting geomorphological characteristics of watersheds. Its application provides an efficient and accurate means evaluation these characteristics. Drainage system delineation is important to better understand hydrologic system, water resource management its planning. Morphometric analysis any drainage basin in a systematic method has great importan...

2011
Jon D. Pelletier

Four experiments in alluvial drainage basin evolution were carried out in the Rainfall Erosion Facility (REF) at Colorado State University to investigate the dependence of basin evolution on initial topography. Basins were initially undissected. Each experiment began with a unique initial condition representing various end-members of relief and hypsometry. Drainage network development, hillslop...

1997
Pascal Fua

We propose an automated approach to modeling drainage channels—and, more generally, linear features that lie on the terrain—from multiple images, which results not only in high-resolution, accurate and consistent models of the features, but also of the surrounding terrain. In our specific case, we have chosen to exploit the fact that rivers flow downhill and lie at the bottom of local depressio...

Journal: :Zootaxa 2013
Davut Turan Maurice Kottelat Esra Doğan

Two new species of Squalius are described from the Seyhan River drainage in Turkey: S. adanaensis from the lower part of the drainage and S. seyhanensis from the upper part. Squalius adanaensis is distinguished from the other species of the genus in Anatolia, among other characters, by having the flank scales with a dark spot on each scale pocket but covered by the posterior margin of the previ...

2012
Tomoki Kimura

The pattern and incidence of lymphatic spread of non-small cell lung cancer (NSCLC) is differentiated according to location, size and histologic type of primary tumors. As the primary tumor size increases, the incidence of lymphatic metastasis increases. Ogata et al reported the incidence of mediastinal lymphatic metastasis increased from 24% for tumors under 2 cm in size to more than 40% for t...

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