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| 1 | Multisystem inflammatory syndrome in pediatric COVID-19 patients:a meta-analysis显示文摘Background We aimed to systematically review the clinical and laboratory features of patients with the multisystem inflam-matory syndrome in pediatrics diagnosed during the COVID-19 pandemic.Data sources A literature search in Web of Science,PubMed,Scopus,and Science Direct was made up to June 29,2020.Results Analysis of 15 articles(318 COVID-19 patients)revealed that although many patients presented with the typical multisystem inflammatory syndrome in pediatrics,Kawasaki-like features as fever(82.4%),polymorphous maculopapular exanthema(63.7%),oral mucosal changes(58.1%),conjunctival injections(56.0%),edematous extremities(40.7%),and cervical lymphadenopathy(28.5%),atypical gastrointestinal(79.4%)and neurocognitive symptoms(31.8%)were also com-mon.They had elevated serum lactic acid dehydrogenase,D-dimer,C-reactive protein,procalcitonin,interleukin-6,troponin I levels,and lymphopenia.Nearly 77.0%developed hypotension,and 68.1%went into shock,while 41.1%had acute kidney injury.Intensive care was needed in 73.7%of cases;13.2%were intubated,and 37.9%required mechanical ventilation.Intravenous immunoglobulins and steroids were given in 87.7%and 56.9%of the patients,respectively,and anticoagulants were utilized in 67.0%.Pediatric patients were discharged after a hospital stay of 6.77 days on average(95%CI 4.93-8.6).Conclusions Recognizing the typical and atypical presentation of the multisystem inflammatory syndrome in pediatric COVID-19 patients has important implications in identifying children at risk.Monitoring cardiac and renal decompensation and early interventions in patients with multisystem inflammatory syndrome is critical to prevent further morbidity. | Eman A.Toraih Mohammad H.Hussein Rami M.Elshazli Adam Kline Ruhul Munshi Nasrin Sultana Sharven Taghavi Mary Killackey Juan Duchesne Manal S.Fawzy Emad Kandil | 2021 | World Journal of Pediatrics2021，17，2： | 2 |
| 2 | 由基本侵蚀原理导出的梯田设计标准显示文摘宽底地埂和陡埂坡梯田的设计规范由基本侵蚀原理导出.为了估算梯田宽度,假定了受限的剥离或搬运能力,在均匀坡度的模型上模拟了10年24小时暴雨.为了估算梯田渠道中的淤积,模拟试验了梯田渠道中的侵蚀与剥离.为了确定伊拉克北部干旱地区的梯田设计标准采用了一项技术.该地区是低降雨强度的代表区域,故将10年最大降雨强度来代替10年一遇、24小时暴雨作为梯田设计的基础.为了估算梯田渠道内的淤积,选择了一项简单的稳定状态的侵蚀/剥离量模型试验.渠道淤积成果表明,10cm的超高足以满足缓坡梯田和水平梯田假定的20年寿命的要求.对于伊拉克北部的条件,就梯田宽度计算技术,选用了通用土壤流失公式来验证这种新方法.在缓坡地上,这两种方法得出相似的成果.对于陡坡地而言,由于通用土壤流失公式中坡度影响的指数特性,往往会导致梯田宽度估计不足.这种新方法为那些因资金和时间受限而不能直接进行野外测量的地区选择梯田宽度提供了一种选择方案.然而,该方法的精度取决于标准侵蚀和淤积模型所需当地资料的可用性. | Mohammad H.Hussein Hanae A.Mohammad 范起敬 | 1992 | 水土保持科技情报1992，，1： | 1 |
| 3 | Designing terraces for the rainfed farming region in Iraq using the RUSLE and hydraulic principles显示文摘The rainfed region in Iraq comprises an area of more than 5 million ha of forest,grazing and farmland areas.Except the plains,the region suffers from moderate to severe water erosion due mainly to overgrazing and land mismanagement.Due to population growth and the shortage in water resources,an expansion in land used for agriculture in the region is expected.Terracing is an option when utilizing sloping land for agricultural production.A terrace design criterion was developed for the region in which terrace spacing was determined using the Revised Universal Soil Loss Equation(RUSLE);terrace channel specifications were determined using conventional hydraulic computations.Analyses showed that terracing is feasible on rolling and hilly sloping land in the high rainfall zone(seasonal rainfall 4600 mm)where economic crops are grown to offset the high cost of terrace construction and maintenance.In the medium and low rainfall zones(seasonal rainfall 400–600 mm and 300–400 mm),terracing for water erosion control is generally not needed on cultivated land less than 10%in slope where wheat and barley crops are normally grown;however,pioneer research projects are needed to assess the feasibility of terraces of the level(detention)type to conserve rain water in these two zones for a more successful rainfed farming venture. | Mohammad H.Hussein Ibrahiem M.Amien Tariq H.Kariem | 2016 | International Soil and Water Conservation Research2016，4，1： | 0 |
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