检索结果-南通市图书馆

A new four-dimensional hyperjerk system with stable equilibrium point, circuit implementation, and its synchronization by using an adaptive integrator backstepping control

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Chinese Physics B 2018年第10期27卷 231-239页

作者： j P Singh V T Pham T Hayat S jafari F E Alsaadi B K Roy department of Electrical Engineering National Institute of Technology Silchar 788010 India School of Electronics and Telecommunications Hanoi University of Science and Technology 01 Dai Co Viet Hanoi Viet Nam department of Mathematics Faculty of Science King Abdulaziz University Jeddah 21589 Saudi Arabia department of Mathematics Quaid-I-Azam University Islamabad 44000 Pakistan Ambikar University of Technology Tehran 15875-4413Iran department of Information Technology Faculty of Computing and IT King Abdulaziz University Jeddah Saudi Arabia

This paper reports a new simple four-dimensional（4 d） hyperjerk chaotic system. The proposed system has only one stable equilibrium point. Hence, its strange attractor belongs to the category of hidden attractors. The proposed system exhibits various dynamical behaviors including chaotic, periodic, stable nature, and coexistence of various attractors. Numerous theoretical and numerical methods are used for the analyses of this system. The chaotic behavior of the new system is validated using circuit implementation. Further, the synchronization of the proposed systems is shown by designing an adaptive integrator backstepping controller. Numerical simulation validates the synchronization strategy.

关键词： new hyperjerk chaotic system stable equilibrium hidden attractors adaptive backstepping control synchronization

Tacrolimus (FK506) for Graft-versus-host disease after Allogeneic Blood Stem Cell Transplantation for Hematologic Malignancies

在线全文

学校读者我要写书评

暂无评论

The Chinese-German journal of Clinical Oncology 2004年第1期3卷 2-4,64页

作者： S.Gerull T.Luft M.Scheuer M.Kornacker H.j.Gebest S.Schonland j.Perz A.d.Ho 德国海德堡大学内科学院 69115

This report is a retrospective analysis of 27 patients who received Tacrolimus because of intol- erance or for refractoriness to Cyclosporin A (CyA) as prophylaxis against acute and chronic GvHd at a single institution. 9 patients were treated with Tacrolimus as acute GvHd developed despite optimal concentrations of CyA and 8 developed chronic GvHd despite continuation of CyA. 10 patients developed World Health Organisation Score (WHO) grade 2–3 toxicity to CyA. Overall 21 of 27 patients responded to Tacrolimus. Patients who underwent reduced conditioning responded as well as those patients who un- derwent conventional conditioning regimens. Tacrolimus is well tolerated and e?ective and might be an alternative primary agent for prevention of GvHd. Its role in reduced conditioning regimens needs to be further explored.

关键词：血液恶性肿瘤异源血干细胞移植术他克莫司移植物抗宿主反应环胞霉素A 耐受性

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

PROBABILITY

Chinese Physics C 2014年第9期38卷 467-471页

作者： K.A.Olive K.Agashe C.Amsler M.Antonelli j.-F.Arguin d.M.Asner H.Baer H.R.Band R.M.Barnett T.Basaglia C.W.Bauer j.j.Beatty V.I.Belousov j.Beringer G.Bernardi S.Bethke H.Bichsel O.Biebe E.Blucher S.Blusk G.Brooijmans O.Buchmueller V.Burkert M.A.Bychkov R.N.Cahn M.Carena A.Ceccucci A.Cerr d.Chakraborty M.-C.Chen R.S.Chivukula K.Copic G.Cowan O.dahl G.d'Ambrosio T.damour d.de Florian A.de Gouvea T.deGrand P.de jong G.dissertor B.A.dobrescu M.doser M.drees H.K.dreiner d.A.Edwards S.Eidelman j.Erler V.V.Ezhela W.Fetscher B.d.Fields B.Foster A.Freitas T.K.Gaisser H.Gallagher L.Garren H.-j.Gerber G.Gerbier T.Gershon T.Gherghetta S.Golwala M.Goodman C.Grab A.V.Gritsan C.Grojean d.E.Groom M.Grnewald A.Gurtu T.Gutsche H.E.Haber K.Hagiwara C.Hanhart S.Hashimoto Y.Hayato K.G.Hayes M.Heffner B.Heltsley j.j.Hernandez-Rey K.Hikasa A.Hocker j.Holder A.Holtkamp j.Huston j.d.jackson K.F.johnson T.junk M.Kado d.Karlen U.F.Katz S.R.Klein E.Klempt R.V.Kowalewski F.Krauss M.Kreps B.Krusche Yu.V.Kuyanov Y.Kwon O.Lahav j.Laiho P.Langacker A.Liddle Z.Ligeti C.-j.Lin T.M.Liss L.Littenberg K.S.Lugovsky S.B.Lugovsky F.Maltoni T.Mannel A.V.Manohar W.j.Marciano A.d.Martin A.Masoni j.Matthews d.Milstead P.Molaro K.Monig F.Moortgat M.j.Mortonson H.Murayama K.Nakamura M.Narain P.Nason S.Navas M.Neubert P.Nevski Y.Nir L.Pape j.Parsons C.Patrignani j.A.Peacock M.Pennington S.T.Petcov Kavli IPMU A.Piepke A.Pomarol A.Quadt S.Raby j.Rademacker G.Raffel B.N.Ratcliff P.Richardson A.Ringwald S.Roesler S.Rolli A.Romaniouk L.j.Rosenberg j L.Rosner G.Rybka C.T.Sachrajda Y.Sakai G.P.Salam S.Sarkar F.Sauli O.Schneider K.Scholberg d.Scott V.Sharma S.R.Sharpe M.Silari T.Sjostrand P.Skands j.G.Smith G.F.Smoot S.Spanier H.Spieler C.Spiering A.Stahl T.Stanev S.L.Stone T.Sumiyoshi M.j.Syphers F.Takahashi M.Tanabashi j.Terning L.Tiator M.Titov N.P.Tkachenko N.A.Tornqvist d.Tovey G.Valencia G.Venanzoni M.G.Vincter P.Vogel A.Vogt S.P.Wakely W.Walkowiak C.W.Walter d.R.Ward G.Weiglein d.H.Weinberg E.j.Weinberg M.White L.R.Wiencke C.G.Wohl L.Wolfenstein j.Womersley C.L. University of Minnesota School of Physics and Astronomy116 Church St.S.E.MinneapolisMN 55455USA University of Maryland Department of PhysicsCollege ParkMD 20742-4111USA Albert Einstein Center for Fundamental Physics Universitat BernCH-3012 BernSwitzerland Lab.Nazionali di Frascati dell'INFN CP 13via E.Fermi40I-00044 Frascati(Roma)Italy departement de physique Universite de MontrealC.P.6128succ.centre-villeMontreal(Quebec) H3C 3J7Canada Pacific Northwest National Laboratory 902 Battelle BoulevardRichlandWA 99352USA department of Physics and Astronomy University of OklahomaNormanOK 73019USA department of Physics University of WisconsinMadisonWI 53706USA Physics division Lawrence Berkeley National Laboratory1 Cyclotron RoadBerkeleyCA 94720USA CERN European Organization for Nuclear ResearchCH-1211 Geneve 23Switzerland department of Physics The Ohio State University191 W.Woodruff Ave.ColumbusOH 43210 COMPAS Group Institute for High Energy PhysicsRU- 142284ProtvinoRussia LPNHE IN2P3-CNRS et Universites de Paris 6 et 7F-75252 ParisFrance Max-Planck-Institute of Physics 80805 MunichGermany department of Physics University of WashingtonSeattleWA 98195USA Ludwig-Maximilians-Universitat Fakultdt für PhysikSchellingstr.4D-80799 MünchenGermany Enrico Fermi Institute and department of Physics University of ChicagoChicagoIL 60637-1433USA department of Physics Syracuse UniversitySyracuseNY13244USA department of Physics Columbia University538 W.120th StreetNew YorkNY10027 USA High Energy Physics Group Blackett LaboratoryImperial CollegePrince Consort RoadLondon SW7 2AZUK jefferson Lab 12000 Jefferson Ave.Newport NewsVA 23606USA department of Physics University of VirginiaPO Box 400714CharlottesvilleVA 22904USA Fermi National Accelerator Laboratory P.O.Box 500BataviaIL 60510USA Kavli Institute for Cosmological Physics University of ChicagoChicagoIL 60637-1433USA department of Physics and Astronomy University of SussexFalmerBrighton BN1 9QHUK department o

Revised September 2013 by G. Cowan （RHUL）.37.1. General [1-8] An abstract definition of probability can be given by considering a set S, called the sample space, and possible subsets A, B,... , the interpretation of which is left open. The probability P is a real-valued function defined by the following axioms due to Kolmogorov [9]：

关键词： PROBABILITY

Feasibility of semi-solid die casting of AdC12 aluminum alloy

在线全文

学校读者我要写书评

暂无评论

Transactions of Nonferrous Metals Society of China 2010年第9期20卷 1756-1762页

作者： S.jANUdOM T.RATTANOCHAIKUL R.BURA PA S.WISUTMETHANGOON j.WANNASIN department of Mining and Materials Engineering Faculty of EngineeringPrince of Songkla University department of Industrial Engineering Faculty of Engineering Rajamangala University of Technology Srivijaya department of Mechanical Engineering Faculty of EngineeringPrince of Songkla University

The feasibility of semi-solid die casting of AdC12 aluminum alloy was studied. The effects of plunger speed, gate thickness, and solid fraction of the slurry on the defects were determined. The defects investigated are gas and shrinkage porosity. In the experiments, semi-solid slurry was prepared by the gas-induced semi-solid （GISS） technique. Then, the slurry was transferred to the shot sleeve and injected into the die. The die and shot sleeve temperatures were kept at 180 ℃ and 250 ℃, respectively. The results show that the samples produced by the GISS die casting give little porosity, no blister and uniform microstructure. From all the results, it can be concluded that the GISS process is feasible to apply in the AdC12 aluminum die casting process. In addition, the GISS process can give improved properties such as decreased porosity and increased microstructure uniformity.

关键词： AdC12 aluminum alloys semi-solid die casting gas induced semi-solid (GISS) rheocasting

在线全文

学校读者我要写书评

暂无评论

用于宽频带放大器的高增益陶瓷三极管

真空电子技术 1963年第6期 46-50页

作者： j.d.Campbel 虞汉成

在遥测、高分辨雷达、相位灵敏雷达、对抗、和防干扰系统等中宽频带放大器的使用已经表现出对很高增益的低噪声管的需要。在这些应用中都要求器件能抵抗机械和热冲击以及电气参数瞬变。这类管子的最佳设计得到最大可能的跨导要对低的输... 详细信息

在遥测、高分辨雷达、相位灵敏雷达、对抗、和防干扰系统等中宽频带放大器的使用已经表现出对很高增益的低噪声管的需要。在这些应用中都要求器件能抵抗机械和热冲击以及电气参数瞬变。这类管子的最佳设计得到最大可能的跨导要对低的输入和输出电容来平衡。低的引线电感和阴极到栅极渡越时间也是重要的参数。

关键词：宽频带放大器放大系数栅极噪声系数跨导高增益

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

16种秋播作物控制风蚀的作用

水土保持科技情报 1991年第2期9卷 38-40,32页

作者： j.d.Bilbro 党梅科

在南部大平原的棉花产区,风蚀较为严重.秋季在休闲行播种覆盖作物可减轻风蚀.在1984年和1985年的9、10.11月分别播种了冬小麦、冬大麦、冬燕麦、冬黑麦、冬黑小麦、饲料高粱、珍珠稗、两种春黑小麦、3种春燕麦、3种春大麦和一种冬豌豆... 详细信息

在南部大平原的棉花产区,风蚀较为严重.秋季在休闲行播种覆盖作物可减轻风蚀.在1984年和1985年的9、10.11月分别播种了冬小麦、冬大麦、冬燕麦、冬黑麦、冬黑小麦、饲料高粱、珍珠稗、两种春黑小麦、3种春燕麦、3种春大麦和一种冬豌豆等16种作物,调查分析了地面覆盖度、植株高度及1～2月化学除草后地面覆盖的损失率.9月播种,各种作物在1月都能很好覆盖地面或达到一定的生长高度防止土壤侵蚀;10月播种,只有饲料高粱和珍珠稗两种作物表现较差;11月播种,则没有一种作物能很好覆盖地面.就以最少的土壤水分利用而最大限度地保护土壤而言,3种春大麦最好;饲料高粱和珍珠稗如果在9月初播种.表现也较好.9月播种的作物,除3种小谷类外,其它品种在化学杀除地面覆盖后,5月中旬覆盖率仍有60%以上;10月播种,只有冬大麦和春黑小麦在5月中旬覆盖率大于或等于50%.

关键词：秋播作物风蚀作物

在线全文

学校读者我要写书评

暂无评论

加拿大披碱草×黑麦杂种的细胞学分析

草原与草坪 1985年第2期 29-30页

作者： A.Hang j.d.Franckowiak 米福贵

人们已经观察到加拿大披碱草(Elymuscanadensis)对大麦的黄花萎缩病(Timian,***.)具有免疫作用,并且也能抗其它几种大麦疾病。在试图把抗性转移到栽培种的尝试中,人们已经成功地把这个种与小麦族中的几个栽培种和野生种进行了杂

关键词：加拿大披碱草细胞黑麦麦类作物杂种杂交种

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

硅在生物学上的作用

世界科学 1991年第3期 22-24页

作者： j.d.Birchall 顾天雁

环境中的铝一直是人们在讨论的一个问题,从注意酸雨对鱼类和植物的影响,一直到与人的骨疾和痴呆病的关系.最新的研究结果表明,以硅酸形态存在的硅,在生物体系排铝的过程中起了重要的作用.本文通过考察这两种元素(特别是羟基硅铝酸盐)的... 详细信息

环境中的铝一直是人们在讨论的一个问题,从注意酸雨对鱼类和植物的影响,一直到与人的骨疾和痴呆病的关系.最新的研究结果表明,以硅酸形态存在的硅,在生物体系排铝的过程中起了重要的作用.本文通过考察这两种元素(特别是羟基硅铝酸盐)的相互作用关系,来探讨铝的输送、结合、利用和毒性问题.

关键词：鱼鳃上皮组织酸雨毒性动物组织酸性降水降雨毒力鱼类水生动物鱼体生物学

High-speed Train Aerodynamic Investigation with a New Moving Model Rig

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

High-speed Train Aerodynamic Investigation with a New Moving...