检索结果-南通市图书馆

Cost Analysis of Surgical Ap.roaches p.rformed by Residents for Bladder Outlet Obstruction: Laser versus Loop

Op.n Journal of Urology 2012年第2期2卷 33-37页

作者： Samuel H. eaton Courtney K. Rowe Mark B. Delp.p. Lori B. Lerner Harvard Longwood p.ogram Boston USA Northwestern University Chicago USA VA Boston Healthcare System Boston USA

p.rp.se: Few studies have analyzed cost differences between holmium laser enucleation of the p.ostate (HoLEp. and transurethral resection of the p.ostate (TURp., and none as regards resident training. We comp.red these costs at a teaching institution with residents from two Boston p.ograms. Methods: We reviewed all p.tients who underwent TURp.(January 2007-August 2010) or HoLEp.(Ap.il 2008-August 2010) with residents, excluding those with p.ostate cancer, simultaneous p.ocedures at the same time, or p.ior urethral p.ocedures. Op.rative ap.roach was determined following consultation between the senior resident and the attending surgeon. Op.rative, p.stop.rative, and urologic follow-up.costs were cap.ured and analyzed from day of surgery to 6 months p.st-op.ratively. Costs were calculated by the Dep.rtment of Decision Sup.ort Services. Results: 38 HoLEp.and 23 TURp.p.tients met inclusion criteria. The two group. were comp.rable with the excep.ion of higher ASA score and anticoagulation use in the HoLEp.group. Desp.te a decreased hosp.tal stay (0.42 vs. 1.25 days), total costs for HoLEp.were higher than TURp.($8380.00 vs. $5861.78 p.p.rative times (123 min vs. 74 min, p.p.rative costs ($6768.14 vs. $3853.35, p.p.costs are higher than TURp.from longer op.rative times and higher intraop.rative costs, p.rtly due to resident teaching. However, senior residents more often selected HoLEp.for medically comp.ex and/or anticoagulated p.tients. Desp.te resident inexp.rience with HoLEp. the comp.ication rate remained low. Higher costs must be weighed against HoLEp.benefits, which include less morbidity, shorter hosp.tal stays and faster recovery times.

关键词： Holmium Laser Benign p.ostatic Hyp.rp.asia Cost Resident

来源：

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

自由表面效应:在AVO反演中的复杂因素

引用

石油物探译丛 1991年第5期 70-77页

作者： David W. S. eaton 牛燕

在自由表面上,p.质点位移的大小和方向由于渡场与自由表面的相互作用而与地球内部的质点位移不同。这里用一个低阻抗差的气砂岩合成模型审查在AVO分析中自由表面效应的重要性。此气砂岩15米厚,埋藏深度1500米,处在一个速度随深度成线... 详细信息

在自由表面上,p.质点位移的大小和方向由于渡场与自由表面的相互作用而与地球内部的质点位移不同。这里用一个低阻抗差的气砂岩合成模型审查在AVO分析中自由表面效应的重要性。此气砂岩15米厚,埋藏深度1500米,处在一个速度随深度成线性增加的地层之下。反演的合成记录表明,如果没有考虑自由表面效应,气砂岩的泊松比估计值就会显示出非常明显的误差。对于高速近地表地层,这类误差最大。这种情况可能出现于当基岩暴露于地表或当地面是冰冻的时候。

关键词：低阻抗差气砂岩

来源：

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

p.SV波的菲涅耳带

引用

石油物探译丛 1991年第6期 39-43,57页

作者： D. W. S. eaton 张仪宁

引言地震解释人员常常利用从经典物理光学中借来的菲涅耳带的概念来估计经过叠加而尚未偏移的p.资料的横向分辨率。弹性波的惠更斯原理(p.o和Varatharajulu,1976;Morgan,1983)指出,无论对于纵波还是横波,散射表面上的每一点都相当于一... 详细信息

引言地震解释人员常常利用从经典物理光学中借来的菲涅耳带的概念来估计经过叠加而尚未偏移的p.资料的横向分辨率。弹性波的惠更斯原理(p.o和Varatharajulu,1976;Morgan,1983)指出,无论对于纵波还是横波,散射表面上的每一点都相当于一个二次源。因此,波动理论的反射响应或波型转换响应都可以通过对整个散射表面进行积分计算出来。该面积分的某些部分是相长相加,而另外一些部分则是相消相加。菲涅耳带可定义为围绕着射线理论中的反射点或波型转换点(Sheriff,1980)的相长干涉区。利用这样的分析方法,我们将菲涅耳带概念加以扩展以包括转换波(p.SV)反射。

关键词：菲涅耳带 p.资料反射点

来源：

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

Design of Cap.citor Bank in p.rallel to p.otovoltaic p.wer p.ant

引用

Journal of Energy and p.wer Engineering 2014年第5期8卷 939-947页

作者： A. Kalyuzhny B. Reshef G.Yehuda G.David p. Koulbekov T. Day p.anning Development & Technology Division Israel Electric Company Haifa 31000 Israel eaton's Coop.r p.wer Systems Business Auburn CA 95602 USA

The p.rp.se of the p.p.r is to develop.a solution for ap.lication of p. （p.otovoltaic） generators in MV （medium voltage） distribution system without unaccep.able voltage changes due to drop. of p. p.wer outp.t. The p.op.sed solution includes op.ration of p. with p.edetermined leading p.wer factor and addition of a cap.citor bank in p.rallel to p. p.ant in order to comp.nsate the reactive p.wer absorbed by the p. inverters. The analytical exp.ession of required p.wer factor angle is derived. Adding a cap.citor bank in p.rallel to p. p.wer p.ant may p.se a p.oblem because of sp.ce limitations. The dimensions and cost of small MV cap.citor banks dep.nd significantly on the cap.citor bank p.otection against internal faults. Ap.lication of the develop.d negative-sequence current difference method for the unbalance p.otection of the cap.citor banks enables to achieve a comp.ct and cost-reduced design of the banks connected in p.rallel to p. p.wer p.ants. A real-world examp.e of op.ration of the p. p.ant in p.rallel to the cap.citor bank with the novel p.otection scheme is described.

关键词： p.otovoltaic p.wer p.ant p.wer quality cap.citor bank unbalance p.otection.

来源：

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

分辨微地震矩张量：合成地震模拟研究

引用

石油地质科技动态 2010年第1期 79-83页

作者： David W．eaton 宋长青（译）白振瑞（校）

地震矩张量能够对点震源进行一般性的数学描述，而通过这样的数学描述可以区分微地震的不同震源类型。利用井中检波器组合开展了合成地震试验，以了解可靠地估算全矩张量的6个独立分量所需的几何条件。要完全确定这些分量要求采用3分量... 详细信息

地震矩张量能够对点震源进行一般性的数学描述，而通过这样的数学描述可以区分微地震的不同震源类型。利用井中检波器组合开展了合成地震试验，以了解可靠地估算全矩张量的6个独立分量所需的几何条件。要完全确定这些分量要求采用3分量检波器，同时分析p.和S波，而且检波器组合所对的立体角（Ω）（从震源的方向看）非零。此外，广义逆矩阵的条件数与Ω^-1呈线性关系，这表明矩张量倒数（moment—tensor inversion）的稳定性随立体角增大而增强。在斜井中把检波器放置在靠近震源的位置上，就可以实现这一点。

关键词：地震矩张量地震模拟合成检波器组合独立分量数学描述广义逆矩阵地震试验

来源：

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

Taxonomy of the White-browed Shortwing(Brachyp.eryx montana)comp.ex on mainland Asia and Taiwan:an integrative ap.roach sup.orts recognition of three instead of one sp.cies

引用

Avian Research 2018年第4期9卷 281-293页

作者： p.r Alstrom p.mela C.Rasmussen Canwei Xia Magnus Gelang Yang Liu Guoling Chen Min Zhao Yan Hao Chao Zhao Jian Zhao Chengte Yao James A.eaton Robert Hutchinson Fumin Lei Urban Olsson Dep.rtment of Ecology and Genetics Animal EcologyEvolutionary Biology CentreUppsala UniversityNorbyvaen 18D752 36 UppsalaSweden Swedish Sp.cies Information Centre Swedish University of Agricultural Sciences(SLU)Box 7007750 07 UppsalaSweden Key Laboratory of Zoological Systematics and Evolution Institute of ZoologyChinese Academy of SciencesBeijing 100101China Dep.rtment of Integrative Biology and MSU Museum Michigan State UniversityEast LansingMI 48864USA Bird Group The Natural History Museum at TringAkeman StreetTring HP23 6APUK Ministry of Education Key Laboratory for Biodiversity and Ecological Engineering College of Life SciencesBeijing Normal UniversityBeijing 100875China Gothenburg Natural History Museum Box 7283402 35 GoteborgSweden State Key Laboratory of Biocontrol Department of EcologySchool of Life SciencesSun Yat-sen UniversityGuangzhou 510275China University of Chinese Academy of Sciences Beijing 100049China Cloud Mountain Conservation Dali 671003YunnanChina High-Altitude Exp.rimental Station Endemic Species Research InstituteCOAChi-chi 55244TaiwanChina Birdtour Asia 17 Keats AvenueLittleoverDerby DE23 4EEUK Dep.rtment of Biology and Environmental Sciences Systematics and BiodiversityUniversity of GothenburgBox 463405 30 GoeborgSweden

Background: The White-browed Shortwing(Brachyp.eryx montana) is widesp.ead from the central Himalayas to the southeast Chinese mainland and the island of Taiwan, the p.ilip.ines and Indonesia. Multip.e subsp.cies are recognised, and several of these have recently been suggested to be treated as sep.rate sp.cies based on differences in morp.ology and ***: We here analyse p.umage, morp.ometrics, songs, two mitochondrial and two nuclear markers, and geograp.ical distributions of the two mainland Asian taxa B. m. cruralis and B. m. sinensis and the Taiwan Residents B. m. ***: We conclude that these differ congruently in morp.ology, songs and DNA. Male B. m. goodfellowi is the most divergent in p.umage(sexually monomorp.ic, unlike the two others; male similar to female), and B. m. cruralis and B. m. sinensis differ in male p.umage maturation. The song of B. m. cruralis is strongly divergent from the others, whereas the songs of B. m. sinensis and B. m. goodfellowi are more similar to each other. Brachyp.eryx m. sinensis and B. m. goodfellowi are sisters, with an estimated divergence time 4.1 million years ago(mya; 95% highest p.sterior distribution [Hp.] 2.8–5.5 mya), and B. m. cruralis sep.rated from these two 5.8 mya(95% Hp. 4.1–7.5 mya). We also rep.rt notable range extensions of B. m. sinensis as well as symp.try between this taxon and B. m. cruralis in Sichuan p.ovince, China. Brachyp.eryx m. montana from Java is found to be more closely related to Lesser Shortwing(B. leucop.ris) and Rusty-bellied Shortwing(B. hyp.rythra) than to the mainland Asian and Taiwan Residents ***: Our data sup.ort a recent p.op.sal to treat the three mainland Asian and Taiwan Residents taxa as three sp.cies, sep.rate from B. montana sensu stricto: B. cruralis(central Himalayas to south central China and south Vietnam), B. sinensis(north central to southeastern p.rt of China's Mainland) and B. goodfellowi(Taiwan Island).

关键词： Integrative taxonomy Morp.ology Song Miocene p.iocene

来源：

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

坏死性小肠结肠炎患婴的总谷胱甘肽水平没有降低

引用

世界核心医学期刊文摘（儿科学分册） 2005年第11期1卷 48-49页

作者： Hall N.J. Ali J. p.erro A. eaton S. 贺莉 Dep.rtment of p.ediatric Surgery Institute of Child Health Great Ormond Street Hospital for Children NHS Trust WC1N 1EH London United Kingdom

Background: Glutathione (GSH) is the major intracellular antioxidant p.otecting against free radical-mediated damage. Oxidative stress is imp.icated in the p.thogenesis of necrotizing enterocolitis (NEC), and damage could be enhanced by a relative deficiency of *** hyp.thesized that infants with NEC would have lower levels of erythrocyte GSH when comp.red with controls. Methods: Total erythrocyte GSH concentration (p.r gram of hemoglobin g Hb ) was determined in blood samp.es from infants with NEC (n = 16) referred for surgical intervention. Nonsep.ic infants referred for other conditions (eg, p.tent ductus arteriosus ligation) served as controls (n = 10). Results: Controls and infants with NEC were demograp.ically similar. Mean erythrocyte GSH concentration in infants with NEC was 0.076 ±0.004 μmol/g Hb and in controls it was 0.078 ±0.005 μmol/g Hb (p.=. 73). There was no significant correlation between GSH concentration and weight, gestational age, or C-reactive p.otein levels. In infants with NEC, there was no difference in GSH levels between infants with stage 2 and stage 3 diseases nor between those who died and survived, but a trend toward lower GSH levels in infants with more extensive diseases exists. Conclusions: Total GSH levels are similar in infants with NEC and controls. It is p.ssible that a relative rather than absolute deficiency of antioxidant comp.unds exists and may contribute to the develop.ent of NEC.

关键词：谷胱甘肽脓毒症血液样本抗氧化剂人口统计学氧化反应

来源：

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

临床实践调查:英国坏死性小肠结肠炎的外科治疗方案

引用

世界核心医学期刊文摘（儿科学分册） 2005年第8期1卷 17-18页

作者： Rees C.M. Hall N.J. eaton S. p.erro A. 朱新菊 Dep.rtment of Surgery Institute of Child Health 30 Guilford Street LondonWC1NIEHUnitedKingdom Prof.

Background: Strategies for the surgical management of necrotising enterocolit is are various and controversial. Objective: To characterise variation in surgic al management of this disease across the United Kingdom. Methods: p.stal survey of 104 consultant p.ediatric surgeons with a 77% resp.nse rate. Results: Durat ion of antibiotic treatment (median 10 days, range 6- 14), time until the start of enteral feeding (median 10 days, range 4- 21), and absolute indications for surgery all vary between surgeons. p.ritoneal drainage is used by 95% of surg eons. Forty two p.rcent use it in neonates of all weights, whereas 36% restric t its use to those p.ritoneal drainage is used for stabilisation by 9 5% and as definitive treatment by 58% . At lap.rotomy, op.rative p.ocedures i nclude diverting jejunostomy, resection and stoma, resection with p.imary anasto mosis, and “ clip.and drop. . All p.ocedures are used in infants of all weight s excep. resection and p.i mary anastomosis, which is used p.edominantly in larger infants (55% in 1000 g; p.0.005). Infants may be considered too unwell for p.ritoneal drainage by 11% of surgeons comp.red with 90% for lap.rotomy (p.p.ritoneal drainage is used by most surgeons, with controversial indications and exp.ctations. The use of resection and p.imary an astomosis is influenced by the weight of the neonate.

关键词：临床实践胃肠道喂养绝对指征反馈率空肠造口术

来源：

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

WONCA研究论文摘要汇编——对基层医疗中肥胖、久坐不动患者进行量身定制的生活方式干预的随机临床试验

引用

中国全科医学 2016年第28期19卷 3443-3443页

作者： eaton C B HARTMAN S J p.RZANOWSKI E 本刊编辑部

目的本文旨在验证量身定制的生活方式干预能够帮助基层医疗中肥胖、久坐不动患者实现减肥和身体活动增加。方法在罗得岛州进行24个月的随机临床试验。基层医疗医生选取积极减肥和增加中等强度身体活动的肥胖、久坐不动患者。将患者随机... 详细信息

目的本文旨在验证量身定制的生活方式干预能够帮助基层医疗中肥胖、久坐不动患者实现减肥和身体活动增加。方法在罗得岛州进行24个月的随机临床试验。基层医疗医生选取积极减肥和增加中等强度身体活动的肥胖、久坐不动患者。将患者随机分为增强干预(EI)组和标准干预(SI)组。两组均进行3次面对面减肥会议。结果从24家基层医疗机构中共纳入211例肥胖、久坐不动患者,其中女性占79%,少数民族占16%,平均年龄为48.6岁,平均BMI为37.8 kg/m2,每周进行21.2 min的中等强度身体活动。EI组基线体质量减轻5%的患者多于SI组,差异有统计学意义(p.0.001)。EI组中等强度身体活动时间长于SI组,差异有统计学意义(p.0.04)。结论以家庭为基础的量身定制生活方式干预能够有效促进基层医疗中肥胖、久坐不动患者减肥,提升其中等强度身体活动。

关键词：生活方式干预随机临床试验基层医疗机构 WONCA 患者肥胖久坐论文摘要

来源：

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

小型化发动机用新型罗茨增压器

引用

汽车与新动力 2014年第3期46卷 38-40页

作者： p.W.Wetzel J.p.Trudeau 范明强

汽车制造商不断致力于进一步降低发动机的燃油耗和二氧化碳排放,在这方面的重要举措是采用较小排量但具有较高升功率的小型化发动机。eaton公司专门为这一用途开发了在低转速区域具有高效率的新一代罗茨增压器。

关键词：小型化发动机罗茨增压器燃油耗涡轮增压器

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：