نتایج جستجو برای: agricultural drain

تعداد نتایج: 111933  

2016
MUHAMMAD NAVEED MANZAR ALI ALI AKBAR

Aim: To compare the outcome of laparoscopic cholecystectomy with and without drain. Study design: Randomized controlled trial Place and duration of study: Surgical department of CMH lahore medical and dental college Unit I, II, III and IV, Jinnah hospital, Lahore.6 months 15-11-2009 to 14-05-2010. Patient and methods: Five hundred and seventy cases of gallstone disease were registered who fulfi...

2017
Kazutaka IZAWA

Objective] Recently, the effectiveness of closed wound drainage has been evaluated for various types of orthopedic surgery. Some studies showed insufficient evidence to support the routine use of a drain. In the current analysis, the efficacy of closed suction drainage in anterior spinal fusion for lumbar spinal tuberculosis was retrospectively evaluated. [Patients and Methods] Ninety-one conse...

2010
Laurent Ahiablame Indrajeet Chaubey Douglas Smith

Extensive network of tile drains present in the Midwest USA accelerate losses of nutrients to receiving ditches, rivers and eventually to the Gulf of Mexico. Nutrient inputs from agricultural watersheds and their role in affecting water quality have received increased attention recently; however, benthic sediment-nutrient interactions in tile-fed drainage ditches is still a matter of active res...

Journal: :Toxicological sciences : an official journal of the Society of Toxicology 2003
Daniel Schlenk Natalia Zubcov Elena Zubcov

Selenium (Se) is an element that has been of environmental concern in aquatic systems that drain arid regions heavily used for agricultural purposes. As hypersaline conditions are associated with these ecosystems, this study examined the effect of hypersaline water on the uptake, biotransformation, and toxicity of seleno-L-methionine (SeMe) in juvenile rainbow trout. Fish were acclimated for 5 ...

Journal: :acta medica iranica 0
abdolreza pazouki department of surgery, hazrat rasool hospital, school of medicine, iran university of medical sciences, tehran, iran. karamollah toolabi department of surgery, hazrat rasool hospital, school of medicine, iran university of medical sciences, tehran, iran. leila zahedi shoolami department of surgery, hazrat rasool hospital, school of medicine, iran university of medical sciences, tehran, iran. seyed ahmad fanaii department of surgery, hazrat rasool hospital, school of medicine, iran university of medical sciences, tehran, iran. mohammad vaziri department of surgery, hazrat rasool hospital, school of medicine, iran university of medical sciences, tehran, iran.

laparoscopy has made a revolution in surgical procedures and treatment of various diseases but its complications are still under investigation. intra-abdominal visceral and vessel injuries, trocar site hernia, and leaving foreign bodies into the peritoneal cavity are among some laparoscopic surgery complications. this is a rare report of penrose drain migration following incomplete laparoscopic...

2007
Fred Worrall Alona Armstrong Joseph Holden

r a 200 .046 .: +44 19 all@durh Summary Water discolouration is a major management problem for UK water companies as a proportion of the supply relies on runoff from peat-covered catchments. Many peats have been drained using surface ditches but this has been shown to lead to more severe water discolouration. Drain-blocking is now actively encouraged in UK peatlands to promote peatland habitats...

Journal: :Journal of medical genetics 1972
C A Clarke

Journal: :مهندسی بیوسیستم ایران 0
علی اکبر صلح جو استادیار بخش تحقیقات فنی و مهندسی کشاورزی مرکز تحقیقات کشاورزی و منابع طبیعی فارس

the split-block experimental design with three replications was used to study the effect of subsoiling in different distances from drain axison soil salinity,and wheat yield. the measurements included soil cone index, soil bulkdensity, infiltration rate and electrical conductivity of saturated extract. each treatment was composed of two factors. the main factors consisted of 3 different distanc...

A.N Ziaei H Ansari K Esmaili R Mansouri S.R Khodashenas

Surface and subsurface water collection in small seasonal rivers is very crucial, particularly in dry seasons. In this study a type of intake is introduced which acts as a river drainage network. An experimental model of the subsurface intake was constructed and the effective parameters such as upstream discharge, installation depth, and drain intervals were evaluated. The results showed that t...

2015
Martinus A Beek Tim S Jansen Jelle W Raats Eric L L Twiss Paul D Gobardhan Eric J H van Rhede van der Kloot

BACKGROUND Intra-abdominal abscesses are the most common complication after perforated appendicitis and remain a significant problem ranging in incidence from 14 to 18%. Drainage following appendectomy is usually determined by whether the underlying appendicitis is simple or complicated and largely determined by the surgeons' belief, based on expertise or personal opinion. In this report we dis...

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