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Cooling performance of earth-to-air heat exchangers applied to a poultry barn in semi-desert areas of south Iraq

International Journal of Agricultural and Biological Engineering 2018年第3期11卷 47-53页

作者： wasseem morshed Lorenzo Leso Leonardo Conti Giuseppe Rossi Stefano Simonini Matteo Barbari Department of Agricultural Food and Forestry SystemsUniversity of FirenzeVia San Bonaventura13.50145 FirenzeItaly

Earth-to-air heat exchangers(EAHE)can reduce the energy consumption required for heating and cooling of *** composition and the thermal characteristics of the soil influence the heat exchange capacity,and the soil moisture can furthermore affect thermal performance of *** aim of this study was to compare the thermal performance of EAHE in dry and artificially wetted *** were carried out in the Basra Province(Iraq),in a semi-desert *** experimental EAHE were built in a poultry barn and tested from June 2013 to September *** pipe exchangers were buried at 2 m *** heat exchanger operated in dry soil(DE),while the other one operated in artificially wetted soil(WE).In the WE system,a drip tubing placed 10 cm above the air pipe wetted the soil around the *** temperatures at the inlet and at the outlet of both the exchangers as well as soil temperature at 2 m deep were continuously *** experimental results confirmed that wetting the soil around EAHE improves the general heat exchange *** coefficient of cooling performance(COP)of the earth-to-air heat exchangers system was evaluated on the basis of the ratio between the heat removed from the air or added to the air and the energy *** the day,with an average COP of 6.41,the WE system cooled the air more than the DE system,which reported a value of *** average,in the hottest hours of the day,the outlet temperature of the WE was 37.35℃ while in the DE it was 38.91℃.Moreover,during the nighttime,the WE system warmed the air more than the DE system.

关键词： Earth-to-air heat exchangers thermal performance cooling artificially wetted soil poultry barn heat stress

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Gastrointestinal Behcet's disease:A review

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World Journal of Gastroenterology 2015年第13期21卷 3801-3812页

作者： wasseem Skef Matthew J Hamilton Thurayya Arayssi Department of Medicine St.Elizabeth’s Medical CenterBostonMA 02135United States Division of Gastroenterology Brigham and Women’s Hospital and Harvard Medical SchoolBostonMA 02115United States Weill Cornell Medical College in Qatar Doha 24144Qatar

Beh?et's disease(BD) is an idiopathic, chronic, relapsing, multi-systemic vasculitis characterized by recurrent oral and genital aphthous ulcers, ocular disease and skin lesions. Prevalence of BD is highest in countries along the ancient silk road from the Mediterranean basin to East Asia. By comparison, the prevalence in North American and Northern European countries is low. Gastrointestinal manifestations of Beh?et's disease are of particular importance as they are associated with significant morbidity and mortality. Although ileocecal involvement is most commonly described, BD may involve any segment of the intestinal tract as well as the various organs within the gastrointestinal system. Diagnosis is based on clinical criteria- there are no pathognomonic laboratory tests. Methods for monitoring disease activity on therapy are available but imperfect. Evidence-based treatment strategies are lacking. Different classes of medications have been successfully used for the treatment of intestinal BD which include 5-aminosalicylic acid, corticosteroids, immunomodulators, and anti-tumor necrosis factor alpha monoclonal antibody therapy. Like inflammatory bowel disease, surgery is reserved for those who are resistant to medical therapy. A subset of patients have a poor disease course. Accurate methods to detect these patients and the optimal strategy for their treatment are not known at this time.

关键词： Behget syndrome Behget disease Upper gastrointestinal tract Inflammatory bowel disease Lower gastrointestinal tract Ulcer

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Primary effusion lymphoma-like lymphoma in a patient with inflammatory bowel disease

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World Journal of Gastroenterology 2014年第3期20卷 857-862页

作者： Elchanan Nussinson Fahmi Shibli Azmi Shahbari wasseem Rock Mazen Elias Irit Elmalah Gastroenterology Institute Emek Medical Center Department of Internal Medicine C Emek Medical Center Department of Pathology Emek Medical Center

A 77-year-old man with inflammatory bowel disease (IBD) and who was treated with anti-tumor necrosis factor (TNF), 6-mercaptopurine and corticosteroids, presented with primary effusion lymphoma-like lymphoma (PEL-like lymphoma) with massive ascites. The patient’s clinical course was complicated by acute renal insufficiency and hypotension, which led to death within 2 wk. In general, patients with IBD may have an increased risk for development of lymphoma, which is frequently associated with immunosuppressive and/or anti-TNF antibody therapies. PEL is a rare subset of lymphoma localized to serous body cavities, lacks tumor mass or nodal involvement, and is associated with infection by human herpes virus 8 (HHV-8). Primary neoplastic effusion may also be present in patients with large B-cell lymphoma without evidence of human immunodeficiency virus or HHV-8 infections. This type of lymphoma is classified as PEL-like lymphoma. Both PEL and PEL-like lymphoma types have been reported in patients undergoing immunosuppressive therapy, but to the best of our knowledge, the case described herein represents the first PEL-like lymphoma occurring in a patient with IBD.

关键词： Inflammatory bowel disease Lymphoma Primary effusion lymphoma Primary effusion lymphoma-like lymphoma Immunosuppressive therapy

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