检索结果-南通市图书馆

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

全髋关节置换后的股骨假体周围骨折

中国组织工程研究 2014年第4期18卷 645-650页

作者：苗绍刚鲁宁杨阳陈磊杰 bassam A.masri 昆明医科大学第二附属医院骨科云南省昆明市650101 Department of Orthopaedics University of British Columbia

背景:随着全髋关节置换及翻修患者的不断增加,股骨假体周围骨折的发生率及复杂性随之增加。目的:回顾有关股骨假体周围骨折的研究文献,探讨其危险因素、预防措施、Vancouver分型和治疗方案。方法:以电子检索方式对CNKI数据库、FMJS数据... 详细信息

背景:随着全髋关节置换及翻修患者的不断增加,股骨假体周围骨折的发生率及复杂性随之增加。目的:回顾有关股骨假体周围骨折的研究文献,探讨其危险因素、预防措施、Vancouver分型和治疗方案。方法:以电子检索方式对CNKI数据库、FMJS数据库及PubMed数据库1994年9月至2012年6月收录的有关全髋关节置换后股骨假体周围骨折的研究文献进行分析,检索词为"全髋关节置换,股骨假体周围骨折"和"total hip arthroplasty,periprosthetic femoral fractures",排除报道时间较早的研究或重复研究。结果与结论:随着全髋关节置换人数的增加,置换后股骨假体周围骨折发生率正在增加。目前公认的危险因素包括年龄、性别、创伤、固定方式、假体松动、翻修、骨溶解、置换前疾病、骨质疏松、假体类型和置换技术等。熟悉及理解股骨假体周围骨折的危险因素对其预防及治疗至关重要。Vancouver分型涉及股骨假体周围骨折位置及稳定性、假体松动情况、股骨近端骨量等,是临床上常用的分型方法。临床治疗应根据骨折类型、是否有假体松及骨缺损等采用不同的方法。

关键词：植入物骨植入物骨与关节综述全髋关节置换股骨假体周围骨折危险因素预防 Vancouver分型假体松动骨缺损

在线全文

学校读者我要写书评

暂无评论

骨科教程——全髋关节置换术后疼痛评估

骨科动态 2006年第1期2卷 57-64页

作者： PATRICK J. DUFFY bassam A. masri DONALD S. GARBUZ CLIVE P. DUNCAN 杨庆铭（译） An Instructional Course Lecture A merican Academy of Orthopaedic Surgeons 上海交通大学附属瑞金医院骨科 200025

全球每年全髋关节置换术（THA）的手术例数仍在持续不断的增加。毫无疑问，THA是近40年来矫形外科领域中最为成功的手术之一。全美国每年初次THA手术近16．8万，翻修手术达3万余例。

关键词：全髋关节置换术疼痛评估骨科教程翻修手术术后外科领域 THA

Using Remote Sensing Data to Delineate the Lineaments for Hydrothermal Mineral Prediction in Heqing Area, Northwest Yunnan Province, China

维普期刊数据库评论

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 China University of Geosciences 2007年第2期18卷 142-147页

作者： Mansour S Al-Mokredi 胡光道 bassam F Al bassam Faculty of Earth Resources China University of Geosciences

Lineament extraction and analysis is one of the routine work in mapping medium and large areas using remote sensing data, most of which are satellite images. Landsat Enhanced Thematic Mapper （ETM） of 945×1 232 pixels subscene acquired on 21 March 2000 covering the northwestern part of Yunnan Province has been digitally processed using ER Mapper software. This article aims to produce lineament density map that predicts favorable zones for hydrothermal mineral occurrences and quantify spatial associations between the known hydrothermal mineral deposits. In the process of lineament extraction a number of image processing techniques were applied. The extracted lineaments were imported into MapGIS software and a suitable grid of 100 m×100 m was chosen. The Kriging method was used to create the lineament density map of the area. The results show that remote sensing data could be useful to extract the lineaments in the area. These lineaments are closely correlated with the faults obtained through other geological investigation methods. On comparing with field data the lineament-density map identifies two important high prospective zones, where large-scale deposits are already existing. In addition the map highlights unrecognized target areas that require follow up investigation.

关键词： lineament extraction hydrothermal mineral prediction Kriging method Heqing area(China)

Treatment options of inflammatory appendiceal masses in adults

在线全文

学校读者我要写书评

暂无评论

World Journal of Gastroenterology 2013年第25期19卷 3942-3950页

作者： Jenny Tannoury bassam Abboud Department of General Surgery Hotel Dieu de France Hospital Faculty of Medicine SaintJoseph University

At present, the treatment of choice for uncomplicated acute appendicitis in adults continues to be surgical. The inflammation in acute appendicitis may sometimes be enclosed by the patient's own defense mechanisms, by the formation of an inflammatory phlegmon or a circumscribed abscess. The management of these patients is controversial. Immediate appendectomy may be technically demanding. The exploration often ends up in an ileocecal resection or a right-sided hemicolectomy. Recently, the conditions for conservative management of these patients have changed due to the development of computed tomography and ultrasound, which has improved the diagnosis of enclosed inflammation and made drainage of intra-abdominal abscesses easier. New efficient antibiotics have also given new opportunities for nonsurgical treatment of complicated appendicitis. The traditional management of these patients is nonsurgical treatment followed by interval appendectomy to prevent recurrence. The need for interval appendectomy after successful nonsurgical treatment has recently been questioned because the risk of recurrence is relatively small. After successful nonsurgical treatment of an appendiceal mass, the true diagnosis is uncertain in some cases and an underlying diagnosis of cancer or Crohn's disease may be delayed. This report aims at reviewing the treatment options of patients with enclosed appendiceal inflammation, with emphasis on the success rate of nonsurgical treatment, the need for drainage of abscesses, the risk of undetected serious disease, and the need for interval appendectomy to prevent recurrence.

关键词： Appendicitis Phlegmon Abscess Computed tomography Antibiotics Percutaneous drainage Surgery

Structural and electrical investigation of BLT films deposited at different times using electron beam evaporation technique

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Optoelectronics Letters 2023年第6期19卷 347-352页

作者： bassam Abdallah Fareza Nasrallah Asmahan Obied Department of Physics Atomic Energy CommissionP.O.Box 6091DamascusSyria

Thin films Bi_(4)Ti_(3)O_(12)(BLT) were deposited using electron beam evaporation on silicon substrate at several times,also on AlN/Si and SiO_(2)/Si *** films morphology and thickness were measured via scanning electron microscopy(SEM).The crystallography was studied using X-ray diffraction(XRD) technique for films which have a(0010) preferred orientation in all substrate *** capacitance values were contingent on frequency value in C-V *** ferroelectric characterization was investigated for BLT film deposited on isolator layer(SiO_(2) or AlN) for Al/Bi_(4)Ti_(3)O_(12)/SiO_(2)/Si *** effect value varied from 1 V to 3 V depending on the thin films isolator on substrate.

关键词： beam films ferroelectric

Improved Geological Interpretation Using Landsat TM Data in Lancang-Jinghong Area, Yunnan Province, China

在线全文

学校读者我要写书评

暂无评论

Journal of China University of Geosciences 2003年第1期14卷 52-58页

作者： bassam F Al bassam Faculty of Earth Resources China Universityof Geosciences

Landsat TM digital spectral data of Lancang Jinghong area (Yunnan P ro vince) has been used for the purpose of geological interpretation. To meet this object, different image processing techniques including selected band color comp osites, principal component analysis and IHS decorrelation stretching are used t o improve the discrimination of different lithological and structural features i n the *** was found that IHS decorrelation stretching images obtained from t he transformation of false color composite 741 (in red, green and blue) prov ided the best results based on the original *** combining the characteristic s of images produced by different approaches and other canonically transformed i mages with available geological data and surface observations, the geological in terpretation could be done with satisfactory degree of accuracy.

关键词： Landsat TM color composite images principal component analysis (PCA) IHS decorrelation stretching Lancang Jinghong China.

GIS Predictive Model for Producing Hydrothermal Gold Potential Map Using Weights of Evidence Approach in Gengma Region, Sanjiang District, China

在线全文

学校读者我要写书评

暂无评论

Journal of China University of Geosciences 2003年第3期14卷 283-292页

作者： bassam F Al bassam Faculty of Earth Resources

Gengma region, Sanjiang district is known to have some large-scale gold deposits. GIS predictive model for hydrothermal gold potential was carried out in this region using weights of evidence modeling technique. Datasets used include large-scale hydrothermal gold deposit records, geological, geophysical and remote sensing imagery. Based on the geological and mineral characteristics of areas with known gold occurrences in Sanjiang, several geological features were thought to be indicative of areas with potential for the occurrence of hydrothermal gold deposits. Indicative features were extracted from geoexploration datasets for use as input in the predictive model. The features include host rock lithology, geologic structures, wallrock alteration and associated (volcanic-plutonic) igneous rocks. To determine which of the indicative geological features are important spatial predictors of area with potential for gold deposits, spatial analysis was done through the modeling method. The input maps were buffered and the optimum distance of spatial association for each geological feature was determined by calculating the contrast and studentized contrast. Five feature maps were converted to binary predictor patterns and used as evidential layers for predictive modeling. The binary patterns were integrated in two combinations, each of which consists of four patterns in order to avoid over prediction due to the effect of duplicate features in the two structural evidences. The two produced potential maps define almost similar favorable zones. Areas of intersections between these zones in the two potential maps placed the highest predictive favorable zones in the region.

关键词： geographic information system weights of evidence mineral resource prediction Sanjiang district

Nuclear design of an integrated small modular reactor based on the APR-1400 for RO desalination purposes

在线全文

学校读者我要写书评

暂无评论

Nuclear Science and Techniques 2022年第8期33卷 1-15页

作者： Reem Rashed Alnuaimi bassam Khuwaileh Muhammad Zubair Donny Hartanto Department of Mechanical and Nuclear Engineering University of SharjahP.O.BOX 27272SharjahUAE Oak Ridge National Laboratory 1 Bethel Valley RoadOak RidgeTN 37830USA

The United Arab Emirates lacks conventional water resources and relies primarily on desalination plants powered by fossil fuels to produce fresh *** desalination is a proven technology,cost-competitive,and sustainable option capable of integrating the existing largescale desalination plants to produce both freshwater and ***,Small Modular Reactors(SMRs)are promising designs with advanced simplified configurations and inherent safety *** this study,an Integrated Desalination SMR that produces thermal energy compatible with the capacity of a fossil fuel-powered desalination plant in the UAE was ***,the APR-1400 reactor core was used to investigate two 150 MWthconceptual SMR core designs,core A and core B,based on two-dimensional parameters,radius,and ***,the CASMO-4 lattice code was used to generate homogenized few-group constants for optimized fuel assembly loading ***,to find the best core configuration,SIMULATE-3 was used to calculate the core key physics parameters such as power distribution,reactivity coefficients,and critical boron *** addition,different reflector materials were investigated to compensate for the expected high leakage of the small-sized SMR *** pan shape core B model(142.6132 cm diameter,100 cm height,and radially reflected by Stainless Steel)was selected as the best core configuration based on its calculated physics *** B met the design and safety criteria and indicated low total neutron leakage of 11.60%and flat power distribution with 1.50 power peaking *** to core A,it has a more negative MTC value of-6.93 pcm/°F with lower *** a 2-batch scheme,the fuel is discharged at 42.25 GWd/MTU burnup after a long cycle length of 1.58 *** core B model offers the highest specific power of 36.56 kW/kgU while utilizing the smallest heavy metal mass compared with the SMART and NuScale models.

关键词： Nuclear desalination Small modular reactor(SMR) APR-1400 CASMO-4 SIMULATE-3 Two-step method Homogenized cross sections Optimization

Repositioning of dipeptidyl peptidase-4 inhibitors and glucagon like peptide-1 agonists as potential neuroprotective agents

在线全文

学校读者我要写书评

暂无评论

Neural Regeneration Research 2019年第5期14卷 745-748页

作者： Shaker A.Mousa bassam M.Ayoub Pharmaceutical Research Institute Albany College of Pharmacy and Health Sciences The Center for Drug Research and Development (CDRD) Pharmaceutical Chemistry Department Faculty of Pharmacy The British University in Egypt

Repositioning of dipeptidyl peptidase-4 inhibitors and glucagon like peptide-1 receptor agonists is a breakthrough in the field of neural regeneration research increasing glucagon like peptide-1 bioavailability, hence its neuroprotective activities. In this article, the authors suggest not only crossing blood-brain barrier and neurodegenerative disease as off target for dipeptidyl peptidase-4 inhibitors and glucagon like peptide-1 receptor agonists, but also for ophthalmic preparations for diabetic retinopathy, which may be the latest breakthrough in the field if prepared and used in an appropriate nano-formulation to target the retinal nerves. The relation of neurodegenerative diseases' different mechanisms to the dipeptidyl peptidase-4 inhibitors and glucagon like peptide-1 receptor agonists should be further examined in preclinical and clinical settings. The repositioning of already marketed antidiabetic drugs for neurodegenerative diseases should save the high cost of the time-consuming normal drug development process. Drug repositioning is a hot topic as an alternative to molecular target based drug discovery or therapeutic switching. It is a relatively inexpensive pathway due to availability of previous pharmacological and safety data. The glucagon like peptide-1 produced in brain has been linked to enhanced learning and memory functions as a physiologic regulator in central nervous system by restoring insulin signaling. Intranasal administration of all marketed gliptins(or glucagon like peptide-1 receptor agonists) may show enhanced blood-brain barrier crossing and increased glucagon like peptide-1 levels in the brain after direct crossing of the drug for the olfactory region, targeting the cerebrospinal fluid. Further blood-brain barrier crossing tests may extend dipeptidyl peptidase-4 inhibitors' effects beyond the anti-hyperglycemic control to intranasal spray, intranasal powder, or drops targeting the blood-brain barrier and neurodegenerative diseases wit

关键词： repositioning DPP-4 inhibitors GLP-1RA neural regeneration blood-brain barrier Parkinson’s disease Alzheimer’s disease diabetic retinopathy