检索结果-南通市图书馆

中国家禽 2007年第18期29卷 58-60页

作者： a.sams 张红霞美国德克萨斯农工大学家禽科学系　

　　当前,商业化加工自动化程度、家禽屠体的整齐度、检测技术和计算机监测技术已经取得了一定的进步,达到了实现禽类生产在线控制的水平.……

关键词：家禽加工整齐度禽肉纤维性能肉类屠体胴体白肌肉胸脯肉质量

Diagnosis of ectopic pancreas by endoscopic ultrasound with fine-needle aspiration

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

World Journal of Gastroenterology 2015年第8期21卷 2367-2373页

作者： Augustin Attwell Sharon sams Norio Fukami Division of Gastroenterology Department of Medicine University of Colorado-Denver School of Medicine Department of Pathology University of Colorado-Denver School of Medicine

AIM:To study the clinical,endoscopic,sonographic,and cytologic features of ectopic pancreas(EP).METHODS:This was a retrospective study performedat an academic referral center including two *** review board approval was *** referred to the University Hospital or Denver Health Medical Center Gastrointestinal Endoscopy Lab for gastroduodenal subepithelial lesions(SEL)with a final diagnosis of EP between January 2009and December 2013 were *** in this group were selected for the study if they underwent endoscopic ultrasound(EUS)with fine-needle aspiration(FNA)or deep biopsy.A review of the medical record was performed specifically to review the following information:presenting symptoms,endoscopic and EUS findings,computed tomography or magnetic resonance imaging findings,pathology results,procedure-related adverse events,and subsequent treatments after *** with FNA or deep submucosal biopsy was performed in all patients on an outpatient basais by one of two physicians(Attwell A,Fukami N).Review of all subsequent clinic notes and operative reports was performed in order to determine follow-up and final ***:Between July 2009 and December 2013,10patients[3 males,7 females,median age 52(26-64)years]underwent EUS for a gastroduodenal SEL and were diagnosed with *** patient was ***(60%)lesions were in the antrum,3(30%)in the body,and 1(10%)in the duodenum.A mucosal dimple was noted in 6(60%).Mean lesion size was 17(8-25)*** wall involvement:muscularis mucosae,10%;submucosa,70%;muscularis propria,60%;and serosa,10%.Nine(90%)lesions were hypoechoic and 5(50%)were homogenous.A duct was seen in 5(50%).FNA was attempted in 9(90%)and successful in 8(80%)patients after 4(2-6)*** showed acini or ducts in 7 of 8(88%).Superficial biopsies in 7 patients(70%)showed normal gastric *** endoscopic biopsies were taken in 2 patients and diagnostic in *** patient(10%)dev

关键词： Endoscopic ultrasound Pancreatitis Ectopic pancrea

Thermal Analysis and Experimental Validation of Parabolic Trough Collector for Solar Adsorption Refrigerator

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Energy and Power Engineering 2017年第11期9卷 687-702页

作者： Mariella Mateo Rodolfo Echarri Inna.samsón Laboratorio de Energías Alternativas Instituto Tecnológico de Santo Domingo Santo Domingo Dominican Republic Instituto del Desarrollo Humano Universidad Nacional de General Sarmiento Buenos Aires Argentina Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) Buenos Aires Argentina

This work presents an algorithm able to simulate the heating of a solar collector throughout the day. The discussed collector is part of a solar adsorption refrigerator, and is used to regenerate the activated carbon contained inside a cylindrical recipient (absorber), which is located in the focal line of a parabolic trough concentrator. The developed algorithm takes into account all the transfer mechanisms when analyzing the heat transfers taking place between the collector’s components and the environment, as well as the transfer mechanisms towards the absorber’s interior. The temperature evolution for the collector’s elements is obtained, and the model is validated by comparing the experimentally measured surface temperature of the absorber with the one determined by the algorithm. The experimental data were gathered from similar collectors in two different scenarios: Santo Domingo (Dominican Republic) and Buenos Aires (Argentina). The model is satisfactorily validated with experimental data.

关键词： Mathematical Model Heat Transfer Parabolic Trough Collector Solar Adsorption Refrigerator

Effects of Size and Surface Charge of Polymeric Nanoparticles on in Vitro and in Vivo Applications

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 Biomaterials and Nanobiotechnology 2016年第2期7卷 91-108页

作者： sams M. A. Sadat Sheikh Tasnim Jahan Azita Haddadi Division of Pharmacy College of Pharmacy and Nutrition University of Saskatchewan Saskatoon Canada

Biodegradable polymeric materials are the most common carriers for use in drug delivery systems. With this trend, newer drug delivery systems using targeted and controlled release polymeric nanoparticles (NPs) are being developed to manipulate their navigation in complex in vivo environment. However, a clear understanding of the interactions between biological systems and these nanoparticulates is still unexplored. Different studies have been performed to correlate the physicochemical properties of polymeric NPs with the biological responses. Size and surface charge are the two fundamental physicochemical properties that provide a key direction to design an effective NP formulation. In this critical review, our goal is to provide a brief overview on the influences of size and surface charge of different polymeric NPs in vitro and to highlight the challenges involved with in vivo trials.

关键词： Nanoparticle Size Surface Charge In Vitro In Vivo

Dynamic Simulation of Absorber for Solar Adsorption Refrigerator: A Validated Numerical Model

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Energy and Power Engineering 2017年第8期9卷 464-477页

作者： Rodolfo Echarri Inna.samsón Andrei Gariaev Andrés Sartarelli Instituto del Desarrollo Humano Universidad Nacional de General Sarmiento Buenos Aires Argentina Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) Buenos Aires Argentina Laboratorio de Energías Alternativas Instituto Tecnológico de Santo Domingo Santo Domingo Dominican Department of Heat and Mass Transfer Processes and Systems Moscow Power Engineering Institute Moscow Russia

In this work, a numerical model is presented that describes the transfer of heat and mass inside a cylindrical regenerator of a solar adsorption refrigerator that uses the methanol/activated-carbon refrigerant pair. This model is based on the equations of mass conservation, energy conservation, Darcy’s law and the balance model between sorbate and sorbent given by the Dubinin-Astak- hov’s equation. On the other hand, the linear driving force (LDF) model is used to describe the rate of desorption. In the developed model, the spatial variation of methanol vapor pressure within the activated carbon bed is taken into account and, as one of the boundary conditions, the temperature is used at the external surface of the absorber measured experimentally along the day. Using the developed model, the temperature, pressure and concentration of methanol were calculated;both inside the grains of carbon and in the space between the grains, as a function of time. The algorithm was validated comparing the numerical results with the experimental data, obtaining a satisfactory concordance.

关键词： Adsorption Solar Ice Maker Methanol Activated Carbon

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Cyberlife 1st ed.

1994年

作者： sams Publishing Joe Williams Rosie Piga

来源：畅想之星图书光盘版（南... 评论

在线全文

畅想之星图书光盘版（南通市图书馆镜像）

学校读者我要写书评

暂无评论

用Linux组建家庭网络

互联网世界 1999年第6期 50-52页

作者： sams

The Impact of Lifestyle Factors on Migraine Frequency and Severity in Neurology

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 Biosciences and Medicines 2024年第7期12卷 301-313页

作者： Oluwatosin B. Iyun Okelue Edwards Okobi Nneka P. sams Eleni Asfaw Kebede Oboatarhe Blessing Ezie Department of Public Health and Family Medicine University of Cape Town Cape Town South Africa Larkin Community Hospital PSC Miami FL USA College of Health Sciences & Public Policy Walden University Minneapolis MN USA College of Health Sciences Addis Ababa University Addis Ababa Ethiopia Department of Family Medicine University of Benin Benin City Nigeria

Objective: This systematic review examines the impact of lifestyle factors on migraine frequency and severity through a comprehensive analysis of lifestyle factors such as diet, physical activity, sleep patterns, stress, mental health, and environmental influences. Methods: We thoroughly searched Google Scholar, PUBMED, Scopus, and Web of Science databases using keywords related to migraines and lifestyle factors. Keywords incorporated the Boolean operator “and” to narrow search results. Following the PRISMA guidelines, we identified, screened, and evaluated studies for inclusion, resulting in nine studies meeting the eligibility criteria. Results: A total of 4917 records were initially identified from Scopus (2786), PubMed (854), and Web of Science (1277). Following deduplication, 3657 records underwent title screening, with 382 additionally screened by abstract. Ultimately, 88 full-text articles were assessed, resulting in 9 studies meeting eligibility for qualitative synthesis: 7 prospective and 2 retrospective studies. Our findings highlight the multifaceted role of lifestyle factors in migraine pathophysiology and management. Dietary habits, such as high-calorie, high-fat, and gluten-containing diets were linked to migraine triggers. Moderate physical activity showed beneficial effects on migraine management, while intense exercise could exacerbate symptoms. Poor sleep hygiene and insomnia were strongly associated with increased migraine frequency and severity. Chronic stress and poor mental health significantly contributed to migraine exacerbation, with stress management techniques proving beneficial. Environmental factors, including light, sound, weather changes, and allergens, were also identified as significant migraine triggers. Conclusions: Personalized lifestyle modifications, tailored to individual patient profiles, are crucial in managing migraines. Evidence-based recommendations include balanced diets, moderate physical activity, improved sleep hygien

关键词： Migraine Lifestyle Factors Diet Physical Activity Sleep Patterns Stress Mental Health Environmental Factors Neurology