检索结果-南通市图书馆

Extended Battery to Cope with ELAP for APR1400

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Journal of Energy and Power Engineering 2017年第1期11卷 56-62页

作者： hamdy Samier hamdy abdelbadea Chang Choong-Koo KEPCO International Nuclear graduate School-KINgS 658-91 Haemaji-ro Seosaeing-myeon Ulju-gun Ulsan 689-882 Koera

Since the Fukushima nuclear accident, the interest in securing a reliable emergency power has increased, and as follow-up measures, each country is conducting various studies for enhancement of safety such as re-examination of EDg （emergency diesel generator） capacity, securement of additional emergency power, etc. This study was performed to find the way to implement a reliable DC system in coping with 72 hours extended station blackout for APR1400 within the battery room size. By using the largest capacity battery in the market which satisfies the requirements for Class 1E to perform a duty cycle for 24 hours, after the decay of the qualified class-lE lead acid battery a Non-Class 1E Lithium ion based battery system can be used as a backup system for 48 hours.

关键词： Station blackout ELAP (extended loss of AC power) FLEXES equipment Non-Class-1 E Lithium ion based system.

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

咸水灌溉实施及管理的研究进展(英文)

农业工程学报 1993年第3期9卷 34-44页

作者： Ataf hamdy 意大利地中海农学院

作者综述讨论了有关利用咸水灌溉及其管理的各种观点和基本建议。首先分析了利用咸水灌溉的潜力,从灌溉制度、周期及灌水方法几个方面详细讨论了咸水灌溉的实施及管理,最后研究控制土壤盐分的淋洗的技术问题,包括如何选择淋洗时间的技... 详细信息

作者综述讨论了有关利用咸水灌溉及其管理的各种观点和基本建议。首先分析了利用咸水灌溉的潜力,从灌溉制度、周期及灌水方法几个方面详细讨论了咸水灌溉的实施及管理,最后研究控制土壤盐分的淋洗的技术问题,包括如何选择淋洗时间的技术问题。作者提出自己的几个观点。①作物生长是土壤盐分及质势的函数;②淋洗盐的适宜技术对有效控制土壤盐分很重要。③为有效合理安全使用咸水灌溉需特别考虑采用的灌溉方法,它们引起的盐分分布各有特点,应采用有效的控盐措施与之相适应。

关键词：咸水灌溉管理盐分控制

Anti-nutritional characteristics and mechanism of soybean agglutinin

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

BIOCELL 2021年第3期45卷 451-459页

作者： LI PAN JIAWEI LIU MOHAMMED hamdy FAROUK gUIXIN QIN NAN BAO YUAN ZHAO HUI SUN Key Laboratory of Animal Production Product Quality and SecurityMinistry of EducationKey Laboratory of Animal Nutrition and Feed ScienceCollege of Animal Science and TechnologyJilin Agricultural UniversityChangchun130118China Animal Production Department Faculty of AgricultureAl-Azhar UniversityCairo11884Egypt

Soybean agglutinin(SBA)is an important anti-nutritional factor in *** can induce animal growth inhibition,cause pathological changes of intestinal tissue,and decrease in the immune system ***,a great deal of research has been done on the effects of SBA on cell morphology,division,apoptosis,autophagy,as well as the correlated signal transduction *** review mainly covers the chemical and biological characteristics of SBA,describes the multifaceted aspects of SBA anti-nutritional functions,and highlights the possible cellular and molecular mechanism of anti-nutritional effects of *** review has important implications for the prevention and treatment of SBA-induced diseases,drug development,processing techniques of plant products,prevention of food-borne toxins,as well as human and animal health protection.

关键词： Soybean agglutinin Autophagy Cell apoptosis Anti-nutritional functions Cell signaling

Endoscopic decompression of the median nerve for idiopathic Carpal tunnel syndrome

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Neuroscience & Medicine 2018年第1期9卷 1-8页

作者： hamdy Mohammed Behairy Department of Neurosurgery Al-Azhar University Cairo Egypt

Carpal tunnel syndrome is one of the commonest entrapment neuropathies. Hand pain and numbness are mostly the presenting symptoms. Endoscopic carpal tunnel release (ECTR) has been demonstrated to reduce recovery time and allow faster return to the work. The purpose of this prospective descriptive study was to evaluate the efficacy and advantages of (ECTR) through single proximal incision. In this study, the procedure was done for 36 hands in 36 patients. The results showed that females:male = 9:1, mean age was 42 years. Right hand dominance was 90% and affected in 67%. Preoperatively, the condition was moderate in 61% and severe in 39%. The average operating time was 10 minutes and the mean follow up period was 6 months with no major postoperative complications. In 8%, transient neurapraxia was found and resolved in 1 week and tenderness was found in 70% and resolved in 4 weeks. we concluded that endoscopic carpal tunnel release is an effective minimal incisional safe procedure with a high success rate, rapid return to work.

关键词： carpal tunnel syndrome endoscopic release

Omicron: Egyptian nurses’ knowledge and attitudes

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Integrative Nursing 2022年第1期4卷 15-19页

作者： Mostafa SHABAN Marwa Mamdouh SHABAN Osama RAMADAN Huda hamdy MOHAMMED Department of Nursing College of Applied Medical SciencesJouf UniversitySakakaSaudi Arabia Department of Community Health Nursing Faculty of NursingCairo UniversityCairoEgypt Department of Maternal and New-born Health Nursing Faculty of NursingHelwan UniversityHelwanEgypt

Objective:The current study aimed to assess the knowledge and attitudes of nurses toward the current COVID-19 pandemic and Omicron *** and Methods:A cross-sectional online survey was *** 277 Egyptian nurses completed an electronic questionnaire comprising demographics with 5 items,nurses’knowledge on Omicron with 18 questions,and nurses’attitudes on Omicron with 5 *** data collected were expressed using numbers,percentages,and mean and standard ***:The mean age of nurses was 27±5 years,nearly 50%of the nurses were bachelor *** total score of correct answers related to knowledge was 75%,showing the different degrees of knowledge about *** majority of nurses showed positive attitudes toward controlling and managing the COVID-19 ***:Egyptian nurses have average knowledge about Omicron and a positive attitude toward controlling the COVID-19 *** should be scope for further assessment to enhance understanding about ***,health education programs should be developed for nursing staff to improve information,beliefs,behaviors,and attitudes towards the Omicron variant in particular and the COVID-19 pandemic in general.

关键词： Attitude COVID-19 Egypt knowledge Omicron pandemic

Utilizing Wiltse Approach for Minimal Access Posterolateral Lumbar Stabilization

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journal of Modern Neurosurgery 2018年第1期8卷 101-108页

作者： hamdy Mohammed Behairy Department of Neurosurgery Al-Azhar University Cairo Egypt

An aggressive separation and prolonged overstretching of the paraspinal muscles in the posterior midline approach during lumbar non fusion dynamic stabilization in cases of spondylolisthesis resulting from pars interarticularis fracture may result in postoperative flat back deformity and intractable chronic pain. It is hypothesized that utilizing Wiltse paraspinal inter-muscular approach for this purpose may result in reduction of operative time, protection of integrity, vascularity, nerve supply and strength of paraspinal muscles, shortening of hospitalization and minimizing development of chronic postoperative back pain. So, I have performed this prospective descriptive study that involved 24 patients having single level lumbar instability at L4-5 or L5-S1 levels. All patients were operated upon using Wiltse minimal access posterolateral surgical technique for non-fusion dynamic stabilization. The final results revealed that males were 66%, females were 33% and ages were 42 ± 6 years. Trauma was reported in 12%. Low back pain and tenderness were reported in 100% and root affection reported in 25%. Plain X-ray and MRI were done in 100% and C.T. was done in 8% of cases. Level L4-5 was affected in 17% while level L5-S1 was affected in 83%. Anterolisthesis “grades 0” was found in 8%, grades 1 in 88% and retrolisthesis in 4% of cases. Operative time was 1 hour ± 10 min., blood loss was 60 ± 20 ml., patients ambulation was after 6 - 8 hours, hospital stay was 12 - 24 hours. None of cases were complicated with infection, screw loosening, or fixation system break. Back pain VAS diminished from 7 preoperative to 5 in 2nd day, then became 4 by 1 week, 3 by 1 month and 0 by 6 months. It was concluded that utilizing Wiltse approach for posterolateral lumbar stabilization minimizes tissue damage and improves the speed of recovery and outcome.

关键词： Lumbar Spine Instability Posterolateral Wiltse Approach Minimal Access Lumbar Stabilization

Minimal Access Surgical Evacuation of Unilateral Chronic Subdural Hematoma

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Neuroscience 2018年第1期8卷 82-89页

作者： hamdy Mohammed Behairy Department of Neurosurgery Al-Azhar University Cairo Egypt

Chronic subdural hematoma (CSDH) is one of the most common neurosurgical conditions occurring mostly in elderly and ideally treated with surgical drainage. Many surgical techniques of different degrees of invasiveness have been proposed for its treatment with controversy about the best surgical procedure. The study aims to evaluate the efficacy of the minimal access technique of single burr-hole craniostomy and massive irrigation for treatment of unilateral CSDH. The study is a prospective descriptive study involved all patients with symptomatic radiologically proven unilateral CSDH admitted and treated surgically in department of Neurosurgery, Al-Hussein University hospital, Al-Azhar University, Cairo, Egypt, over 3 years, from January 2013 to January 2016. In the results we found that total 64 patients of CSDH, treated surgically by this procedure. Men formed 72% and women 28%. Age range was 51 to 82 years;the mean age was 65 years. Clinical presentation was impaired consciousness in 7%, headache (59%), right hemiparesis in 56% and left hemiparesis in 37%. CT was done for 91% and MRI 27% patients. The hematoma was left in 61% and right in 39%. Surgical evacuation utilizing this procedure was done in all patients. Complete recovery was obtained in 82% of patients and partial recovery in 11% of patients. Follow up for 4 months was done. Recurrence was detected in 6% of patients. We concluded that unilateral CSDH can be treated effectively by single nondependent burr-hole craniostomy and massive irrigation with excellent outcome.

关键词： Chronic Subdural Hematoma Burr-Hole Evacuation

Tissue Doppler,speckling tracking and four-dimensional echocardiographic assessment of right ventricular function in children with dilated cardiomyopathy

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Clinical Pediatrics 2022年第1期11卷 71-84页

作者： Mohammed Al-Biltagi Osama Elrazaky Wegdan Mawlana Esraa Srour Ahmed hamdy Shabana Department of Pediatrics Faculty of MedicineTanta UniversityTanta 31512AlgharbiaEgypt Department of Pediatrics University Medical CenterArabian Gulf UniversityManama 26671ManamaBahrain

BACKgROUND Right ventricular(RV)function is frequently overlooked during dilated cardiomyopathy(DCM)*** To evaluate RV function in children with idiopathic DCM using relatively recent echocardiographic *** We prospectively studied the cardiac function in 50 children with idiopathic DCM and 50 healthy children as a control group,using four-dimensional echocardiography(4-DE),Tissue Doppler Imaging(TDI),and two-dimensional-speckles tracking echocardiography(2-D-STE).RV EF was measured by *** The auto left(LV)ejection fractions(EF)measured by 2-D-STE were significantly lower in the patients'group than in the *** sphericity index was also significantly lower in children with DCM than in the *** EF measured by 4-DE was significantly lower in the patient's group than the *** S wave,e´/a'ratio,myocardial performance index(MPI),and tricuspid annular plane systolic excursion(TAPSE)were significantly impaired in children with DCM than in *** LV and RV global longitudinal strains(gLS)were significantly reduced in children with DCM than in *** was significantly associated with the duration since diagnosis,tricuspid annulus S wave,RV MPI,and TAPSE,but not with the age of the patients,RV EF,or e´/a'*** There was impairment of the RV LgS and other systolic and diastolic parameters in children with *** and TDI can help to detect the early decline of RV function.

关键词： Tissue Doppler Speckling tracking Echocardiography Dilated cardiomyopathy Children Right ventricle

Clinical correlates of common corneal neovascular diseases: a literature review

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

International Journal of Ophthalmology(English edition) 2015年第1期8卷 182-193页

作者： Nizar Saleh abdelfattah Mohamed Amgad Amira A Zayed hamdy Salem Ahmed E Elkhanany Heba Hussein Nawal Abd El-Baky Doheny Image Reading Center Doheny Eye InstituteUniversity of California Faculty of Medicine Cairo University Department of Surgery Mayo Clinic Faculty of Medicine University of Alexandria Department of Medical Oncology Mayo Clinic Faculty of Oral and Dental Medicine Cairo University Antibody Laboratory Protein Research DepartmentGenetic Engineering and Biotechnology Research InstituteCity for Scientific Research and Technology Applications

A large subset of corneal pathologies involves the formation of new vessels(neovascularization), leading to compromised visual acuity. This article aims to review the clinical causes and presentations of corneal neovascularization(CNV) by examining the mechanisms behind common CNV-related corneal pathologies, with a particular focus on herpes simplex stromal keratitis,contact lenses-induced keratitis and CNV secondary to keratoplasty. Moreover, we reviewed CNV in the context of different types of corneal transplantation and keratoprosthesis, and summarized the most relevant treatment available so far.

关键词： cornea neovascularization herpes simplex keratitis keratoplasty contact lens keratoprosthesis