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186篇 您的检索式:作者名="S.D"
    题名 作者 年代 出处 被引量
1云母的命名显示文摘定义云母为层状硅酸盐。其结构单元由两个相向排列的四面体片(Ts)和夹于其间的一个八面体片(Os)组成。这些片构成一个单元层,层与层之间被非水化层间阳离子(I)分开,其顺序是:非水化阳离子层、四面体片、八面体片、四面体片、非水化阳离子层、四面体片、八面...Milan Rieder,Giancarlo Cavazzini,Yurii S.D’yakonov, Viktor A.Frank Kamenetskii,Glauco Gottardi,Stephen Guggenheim,Pavel V.Koval′, Georg Muller,Ana M.R.Neiva,Edward W.Radoslovich,Jean Louis Robert, Francesco P.Sassi,Hiroshi Takeda,Zdenek Weiss,Davi 1999矿物岩石地球化学通报1999,18,3:8
2西藏日喀则白垩纪弧前盆地:沉积物和盆地演化显示文摘研究区位于拉萨地块及其深成岩类(冈底斯带)以南沿印度河-雅鲁藏布江缝合带的120km范围内。在圈捕洋壳或过渡地壳顶部的藏南日喀则弧前盆地的演化始于中白垩世。原先的被动陆缘沉积残余,特别是浅水碳酸盐,保存于强烈变形(缩短约65%)和部分侵蚀的盆地充填物的北缘。保存的弧前复理石沉积厚达6—8km,主要由与俯冲有关的火山弧(冈底斯带)排出的火山碎屑(安山岩质和安粗岩质)物质组成。除诸如陆棚碳酸盐之类的再搬运的盆内组分之外,较深侵蚀面处或较远源的深成岩和沉积岩均提供盆地充填物。可划分出5个主要的深海水道体系作为位置大体固定的点源。水道中的水流方向总是指向南面的生长加积楔或俯冲带,因此指示该盆地永久性地充填到外脊并逐渐变浅。弧前复理石至少可细分为三个巨层序,从宽阔而切割较深的粗粒水道充填物开始,而以半远洋泥灰岩(沉积于碳酸盐补偿深度CCD之上)和黑色页岩告终。水道的侧向迁移、水道舌状体的转换以及火山脉动产生了主要为向上变细的高频率旋回。弧前盆地内的海相沉积作用于麦斯特里希特期(Maastrichtian)或古新世结束,代之以富含源自深侵蚀的岩浆弧的粗碎屑的始新统一渐新统秋乌组(与凯拉斯和更西的印度河磨拉石等时)河流沉积。因为弧前复理石和磨拉石型秋乌组均在中新世(?)同期变形,我们认为秋乌组代表海相弧前盆地充填作用在大陆的继续,如加利福尼亚大峡谷弧前盆地中观察到的一样。G.Einsele S.Dürr W.Frisch 刘光华 H.P.Luterbacher L.Ratschbacher W.Ricken J.Wendt A.Wetzel 刘宝珺 余光明 郑海翔 1993沉积与特提斯地质1993,14,1:5
3A Study of Spot Welding of Advanced High Strength Steels for Automotive Applications显示文摘The application of advanced high strength steels in automotive industry has highlighted the need for research into spot weldability of these steels.Using weld lobe diagrams,the spot weldability of DP600 steel was found to be poor with conventional weld schedules.An enhanced weld schedule consisting of two pulses with reduced current on the second pulse gave a substantial increase in the lobe width;the first pulse removed the zinc coating and the second pulse controlled the nugget growth.A data acquisition system was designed to monitor weld expulsion during the weld operation.Of the three possible control strategies proposed,especially with AC welding equipment,the dynamic resistance signal is easily obtained and the least expensive.Expulsion phenomena,microstructural characterization and mechanical properties of spot-welded hot dipped galvanized DP600 steel and interstitial free steel were investigated.Further work on dissimilar welds in DP 600 and HSLA 350 was also conducted with emphasis on tensile and fatigue properties and fracture characteristics.The performance of dissimilar spot welds was different from that of the similar spot welds in each of the HSLA350 and DP600 steels.The DP600 weld properties played a dominating role in the hardness and tensile properties of the dissimilar spot welds.However,the fatigue performance of the dissimilar welds was similar to that of the HSLA welds.Details will be presented at the conference.Bhole S.D Khan M.S 2011Journal of Iron and Steel Research(International)2011,18,S1:3
4Smoking Cessation Strategies in Patients with Peripheral Arterial Disease: An Evidence-based Approach显示文摘S.D Hobbs A.W Bradbury 2003European Journal of Vascular & Endovascular Surgery2003,,:2
5Generalizable occupant-driven optimization model fordomestic hot water production in NZEB显示文摘The primary objective of this paper is to demonstrate improved energy efficiency for domestic hot water(DHW)production in residential buildings.This is done by deriving data-driven optimal heating schedules(used interchangeably with policies)automatically.The optimization leverages actively learnt occupant behaviour and models for thermodynamics of the storage vessel to operate the heating mechanism-an air-source heat pump(ASHP)in this case-at the highest possible efficiency.The proposed algorithm,while tested on an ASHP,is essentially decoupled from the heating mechanism making it sufficiently robust to generalize to other types of heating mechanisms as well.Simulation results for this optimization based on data from 46 Net-Zero Energy Buildings(NZEB)in the Netherlands are presented.These show a reduction of energy consumption for DHW by 20%using a computationally inexpensive heuristic approach,and 27%when using a more intensive hybrid ant colony optimization based method.The energy savings are strongly dependent on occupant comfort level.This is demonstrated in real-world settings for a low-consumption house where active control was performed using heuristics for 3.5months and resulted in energy savings of 27%(61 kW h).It is straightforward to extend the same models to perform automatic demand side management(ADSM)by treating the DHW vessel as a flexibility bearing device.H.Kaz-mi S.D'Oca C.Delmastro S.Lodeweyckx S.P.Corgnati 侯恩哲 2016建筑节能2016,44,8:2
6Dry matter and N accumulation and translocation for Indica and Japonica rice under Mediterranean conditions显示文摘D.A Ntanos S.D Koutroubas 2002Field Crops Research2002,,1:2
7Do medical students studying in the United Kingdom have an adequate factual knowledge of basic life support?显示文摘BACKGROUND: Healthcare professionals have a duty to maintain basic life support(BLS) skills. This study aims to evaluate medical students' factual knowledge of BLS and the training they receive.METHODS: A cross-sectional, closed-response questionnaire was distributed to the fi rst-and fourth-year students studying at institutions in the United Kingdom. The paper questionnaire sought to quantify respondent's previous BLS training, factual knowledge of the BLS algorithm using five multiple choice questions(MCQs), and valuate their desire for further BLS training. Students received 1 point for each correctly identifi ed answer to the 5 MCQ's.RESULTS: A total of 3,732 complete responses were received from 21 medical schools. Eighty percent(n=2,999) of students completed a BLS course as part of their undergraduate medical studies. There was a signifi cant difference(P<0.001) in the percentage of the fourth-year students selecting the correct answer in all the MCQ's compared to the fi rst-year students except in identifyingthe correct depth of compressions required during CPR(P=0.095). Overall 10.3%(95% CI 9.9% to 10.7%) of respondents correctly identified the answer to 5 MCQ's on BLS: 9% of the first-year students(n=194) and 12% of the fourth-year students(n=190). On an institutional level the proportion of students answering all MCQ's correctly ranged from 2% to 54% at different universities. Eighty-one percent of students(n=3,031) wished for more BLS training in their curriculum.CONCLUSION: Factual knowledge of BLS is poor among medical students in the UK. There is a disparity in standards of knowledge across institutions and respondents indicating that they would like more training.Robert D.Willmore Damjan Veljanoski Feray Ozdes Bethan Stephens James Mooney Seamus G.Crumley Arpan Doshi Philippa Davies Shreya Badhrinarayanan Emily Day Kristian Tattam April Wilson Nathan Crang Lorna Green Craig A.Mounsey Howell Fu Joseph Williams Michelle S.D'souza Dhanya Sebastian Liam A.Mcgiveron Matthew G.Percy James Cohen Imogen J.John Alice Lethbridge Imogen Watkins Omar Amin Mubasher A.Qamar John Gerrard Hanrahan Emily Cramond-Wong 2019World Journal of Emergency Medicine2019,10,2:2
8A review of maize hybrids’ dependence on high plant populations and its implications for crop yield stability显示文摘I.S Tokatlidis S.D Koutroubas 2003Field Crops Research2003,,2:2
9A 12-item short-form health survey:Construction of scales and preliminary tests of reliability and validity显示文摘Ware J.E.Jr Kosinski M Keller S.D 0,,03:1
10查看详情显示文摘Ganapati D.Y Nirav S.D 0,,:1
11Activities of extracellular enzymes in physically isolated fractions of restored grassland soils显示文摘Allison S.D Jastrow J.D 0,,:1
12Taxonomic diversity of bacteria associated with the roots of field-grown transgenic Brassica napus cv. Quest, compared to the non-transgenic B. napus cv. Excel and B. rapa cv. Parkland显示文摘S.D Siciliano J.J Germida 1999FEMS Microbiology Ecology1999,,3:1
13Effervescent atomization显示文摘S.D Sovani P.E Sojka A.H Lefebvre 2001Progress in Energy and Combustion Science2001,,4:1
14Arabidopsis map-based cloning in the post-genome era显示文摘Jander G Norris S.R Rounsley S.D Bush D.F Levin I.M Last R.L 0,,:1
15Disentangling the effects of recombination, selection, and demography on the genetic variation at a major histocompatibility complex class II gene in the alpine chamois显示文摘S.MONA B.CRESTANELLO S.BANKHEAD‐DRONNET E.PECCHIOLI S.INGROSSO S.D’AMELIO L.ROSSI P. G.MENEGUZ G.BERTORELLE 2008Molecular Ecology2008,,18:1
16查看详情显示文摘Merchant J.R Kulkarni S.D Venkatesh M.S 0,,:1
17查看详情显示文摘Shim H.W Jin Y.H Seo S.D Lee S H Kim D.W 0,,:1
18Phase relations involving arsenopyrite in the system Fe-As-S and their application显示文摘Kretschmar R.S Scott S.D 0,,:1
19MR-guided Laser Thermal Ablation of Primary and Secondary Liver Tumours显示文摘E.A Dick R Joarder M de Jode S.D Taylor-Robinson H.C Thomas G.R Foster W.M.W Gedroyc 2003Clinical Radiology2003,,2:1
20查看详情显示文摘Lu J Poppitt S.D Othman A.A Sunderland T Ruggiero K Willett M.S Diamond L.E Garcia W.D Roesch B.G Cooper GJS 0,,:1
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