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世界核心医学期刊文摘（儿科学分册） 2006年第6期2卷 48-50页

作者： butler L.D. symons b.k. Henderson S.L. 王一飞 Department of Psychiatry and behavioral Sciences Stanford University School of Medicine 401 Quarry Rd Stanford CA 94305-5718 United States Dr.

Objective. Voiding cystourethrography (VCUG) is a commonly performed radiologic procedure in children that can be both painful and frightening. Given the distress that some children experience during the VCUG and the need for children to be alert and cooperative during the procedure, finding a psychological intervention that helps children to manage anxiety, distress, and pain is clearly desirable. This study was designed to examine whether relaxation and analgesia facilitated with hypnosis could reduce distress and procedure time for children who undergo this procedure. Methods. Forty-four children who were scheduled for an upcoming VCUG were randomized to receive hypnosis (n = 21) or routine care (n = 23) while undergoing the procedure. The sample consisted of 29 (66%) girls and 15 (34%) boys with a mean age of 7.6 years (SD: 2.5; range: 4-15 years). Ethnicracial backgrounds were 72.7%white, 18.2%Asian, 4.5%Latino, 2.3%black, and 2.3%Filipino. The mean number of previous VCUGs was 2.95 (SD: 2.51; mode: 2; range: 1-15). Potential participants were identified through computerized hospital records of upcoming VCUGs. Parents were contacted by telephone and invited to participate if their child was eligible. To be eligible for the study, the child must have underg one at least 1 previous VCUG, been at least 4 years of age at that time, and experienced distress during that procedure, and both the child and the participating parent had to be English speaking. Each eligible child and parent met with the research assistant (RA) before the day of the scheduled procedure for an initial assessment. Children were queried regarding the degree of crying, fear, and pain that they had experienced during their most recent VCUG. Parents completed a series of parallel questions. Immediately after this assessment, those who were randomized to the hypnosis condition were given a 1-hour training session in self-hypnotic visual imagery by a trained therapist. Parents and children were in

关键词：儿童疼痛催眠疗法痛苦操作时间医疗操作缩短减轻放射学检查方法创伤性膀胱尿道造影术

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双模量油封——一种新的动力迴流油封设计观点

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世界橡胶工业 1987年第2期 42-47页

作者： James D.symons 朱韶华

引言自从动力回流油封开发以来,已成功地应用在传递系统的前泵,前轴,张絮装置及小齿轮装置中的密封部位。动力回流油封的开发成功与有效应用,需要在油封——轴间的接触处形成接触回流槽,(见图1b)。为获得这一回流槽,必须在制造油封时加... 详细信息

引言自从动力回流油封开发以来,已成功地应用在传递系统的前泵,前轴,张絮装置及小齿轮装置中的密封部位。动力回流油封的开发成功与有效应用,需要在油封——轴间的接触处形成接触回流槽,(见图1b)。为获得这一回流槽,必须在制造油封时加强对生产的严格控制,以保持密封唇口处的回流槽形状。然而在多数情况下,生产中的变化因素使得所制造的许多动力回流油封并不比标准的尖唇口油封好(形成如图12所示的接触状况)。这意味着这类油封并不是“动力回流”型的,不能有效地将从界面处泄漏到油封空气侧的液体传递回

关键词：油封唇口封盖标准型双模量波纹形

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Measurements of dihadron correlations relative to the event plane in Au+Au collisions at√^(S)NN=200 GeV

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Chinese Physics C 2021年第4期45卷 198-241页

作者： H.Agakishiev M.M.Aggarwal Z.Ahammed A.V.Alakhverdyants I.Alekseev J.Alford b.D.Anderson C.D.Anson D.Arkhipkin G.S.Averichev J.balewski D.R.beavis N.k.behera R.bellwied M.J.betancourt R.R.betts A.bhasin A.k.bhat H.bichsel J.bieleik J.bielcikova b.biritz L.C.bland W.borowski J.bouchet E.braidot A.V.brandin A.bridgeman S.G.brovko E.bruna S.bueltmann I.bunzarov T.P.burton X.Z.Cai H.Caines M.Calderon de la barca Sanchez D.Cebra R.Cendejas M.C.Cervantes Z.Chajecki P.Chaloupka S.Chattopadhyay H.F.Chen J.H.Chen J.Y.Chen L.Chen J.Cheng M.Cherney A.Chikanian k.E.Choi W.Christie P.Chung M.J.M.Codrington R.Corliss J.G.Cramer H.J.Crawford S.Dash A.Davila Leyva L.C.De Silvat R.R.Debbe T.G.Dedovich A.A.Derevschikov R.Derradi de Souza L.Didenko P.Djawotho S.M.Dogra X.Dong J.L.Drachenberg J.E.Draper J.C.Dunlop L.G Efimov M.Elnim J.Engelage G Eppley M.Estienne L.Eun O.Evdokimov R.Fatemi J.Fedorisin A.Feng R.G.Fersch P.Filip E.Finch V.Fine Y.Fisyak C.A.Gagliardi D.R.Gangadharan A.Geromitsos F.Geurts P.Ghosh Y.N.Gorbunov A.Gordon O.Grebenyuk D.Grosnick S.M.Guertin A.Gupta W.Guryn b.Haag O.Hajkova A.Hamed L-X.Han J.W.Harris J.P.Hays-Wehle M.Heinz S.Heppelmann A.Hirsch E.Hjort G.W.Hoffmann D.J.Hofiman b.Huang H.Z.Huang T.J.Humanic L.Huo G.Igo P.Jacobs W.W.Jacobs C.Jena F.Jin J.Joseph E.G.Judd S.kabana k.kang J.kapitan k.kauder H.ke D.keane A.kechechyan D.kettler D.P.kikola J.kiryluk A.kisiel V.kizka A.G.knospe D.D.koetke T.kollegger J.konzer I.koralt L.koroleva W.korsch L.kotchenda V.kouchpil P.kravtsov k.krueger M.krus L.kumar P.kurnadi M.A.C.Lamont J.M.Landgraf S.LaPointe J.Lauret A.Lebedev R.Lednicky J.H.Lee W.Leight M.J.LeVine C.Lil L.Li N.Li W.Li X.Li X.Li Y.Li Z.M.Li M.A.Lisa F.Liu H.Liu J.Liu T.Ljubicic W.J.Llope R.S.Longacre W.A.Love Y.Lu E.V.Lukashov X.Luo G.L.Ma Y.G.Mai D.P.Mahapatra R.Majka O.I.Mall L.k.Mangotra R.Manweiler S.Margetis C.Markert H.Masui H.S.Matis Yu.A.Matulenko D.MeDonald T.S.McShane A.Meschanin R.Milner N.G.Minaev S.Mioduszewski A.Mischke M.k.Mitrovski b.Mohanty M.M.Mondal b.Morozov D.A.Morozov M.G.Munhoz M Argonne National Laboratory Argonnellinois 60439USA brookhaven National Laboratory UptonNew York 11973USA University of Califomia BerkeleyCaliformnia 94720USA University of California DavisCalifornia 95616USA University of Califormnia Los AngelesCalifomia 90095USA Universidade Estadual de Campinas Sao PauloBrazil University of Illinois at Chicago ChicagoIlinois 60607USA Creighton University OmahaNebraska 68178USA Czech Technical University in Prague FNSPEPrague11519Czech Republic Nuclear Physics Institute AS CR 25068 Rez/PragueCzech Republic University of Frankfurt FrankfurtGermany Institute of Physics Bhubaneswar 751005India Indian Institute of Technology MumbaiIndia Indiana University BloomingtonIndiana 47408USA Alikhanov Instiute for Theoretical and Experimental Physics MoscowRussia University of Jammu Jammu 180001India Joint Institute for Nuclear Research Dubna141980Russia kent State University KentOhio 44242USA University of kentucky LexingtonKentucky40506-0055USA Institute of Modern Physics LanzhouChina Lawrence berkeley National Laboratory BerkeleyCalifornia 94720USA Massachusetts Institute of Technology CambridgeMA 02139-4307USA Mx-Planck-Institut fir Physik MunichGermany Michigan State University East LansingMichigan 48824USA Moscow Engineering Physics Institute Moscow Russia NIkHEF and Utrecht University AmsterdamThe Netherlands Ohio State University ColumbusOhio 43210USA Old Dominion University NorfolkVA23529USA Panjab University Chandigarh 160014India PennsyIvania State University University ParkPennsylvania 16802USA Institute of High Energy Physics ProtvinoRussia Purdue University West LafayetteIndiana 47907USA Pusan National University PusanRepublic of Korea University of Rajasthan Jaipur 302004India Rice University HoustonTexas 77251USA Universidade de Sao Paulo Sao PauloBrazil University of Science&Technology of China Hefei 230026.China Shandong University JinanShandong 250100China Shanghai Institute of Applied Physics Shanghai 201800Chi

Dihadron azimuthal correlations containing a high transverse momentum(pr)trigger particle are sensit-ive to the properties of the nuclear medium created at RHIC through the strong interactions occurring between the traversing parton and the medium,*** measurements revealed a strong modification to di-hadron azimuthal correlations in Au+Au collisions with respect to ptp and d+Au *** modification in-creases with the collision centrality,suggesting a path-length or energy density dependence to the je-quenching *** paper reports STAR measurements of dihadron azimuthal correlations in mid-central(20%-60%)Au+Au collisions at√^(S)NN=200 GeV as a function of the trigger particle's azimuthal angle relative to the event plane,Ф_(s)=|Ф_(t)-ψ_(Ep)|.The azimuthal correlation is studied as a function of both the trigger and associated particle *** subtractions of the combinatorial background and anisotropic flow,assuming Zero Yield At Minimum(ZYAM),are *** correlation results are first discussed with subtraction of the even harmonic(elliptic and quadrangu-lar)flow *** away-side correlation is strongly modifed,and the modification varies withФ_(s),with a double-peak structure for out-of-plane trigger *** near-side ridge(long range pseudo-rapidity△_(η)correla-tion)appears to drop with increasingФ_(s)while the jet-like component remains approximately *** correla-tion functions are further studied with the subtraction of odd harmonic triangular flow background arising from *** is found that the triangular flow,while responsible for the majority of the amplitudes,is not sufficient to explain theφs-dependence of the ridge or the away-side double-peak *** dropping ridge withФ_(s)could be attributed to aФ_(s)-dependent lliptie anisotropy;however,the physics mechanism of the ridge remains an open *** with aФ_(s)-dependent elliptic flow,the away-side correlation structure

关键词： relativistic heavy ion collisions dihadron correlations jet-medium interactions anisotropic flow background event plane

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