نتایج جستجو برای: 1320

تعداد نتایج: 1355  

1985
T. J. Cornwell D. J. Saikia P. Shastri L. Feretti G. Giovannini P. Parma C. J. Salter

We present VLA Α-array observations at λ20, 6 and 2 cm and B-array observations at λ20 and 6 cm of the quasar B2 1320 + 299, which has a very unusual radio structure. In addition to a component, A, coincident with the quasar, there are two lobes of radio emission, Β and C, on the same side of A. These are located at distances of 25 and 50 arcsec respectively from A. The present observations sho...

2003
V. M. Guibout

The dynamics of reconfiguring a formation of spacecraft is studied. We pose the problem as a two-point boundary value problem where the initial and final positions and times are known and the necessary velocities for the reconfiguration transfers must be found. We present an algorithm that solves this problem for reconfiguration about a nominal trajectory in arbitrary gravity fields, providing ...

Journal: :Physical review letters 2009
M Nozar C Salgado D P Weygand L Guo G Adams Ji Li P Eugenio M J Amaryan M Anghinolfi G Asryan H Avakian H Bagdasaryan N Baillie J P Ball N A Baltzell S Barrow M Battaglieri I Bedlinskiy M Bektasoglu M Bellis N Benmouna B L Berman A S Biselli L Blaszczyk B E Bonner S Bouchigny S Boiarinov R Bradford D Branford W J Briscoe W K Brooks S Bültmann V D Burkert C Butuceanu J R Calarco S L Careccia D S Carman B Carnahan L Casey A Cazes S Chen L Cheng P L Cole P Collins P Coltharp D Cords P Corvisiero D Crabb H Crannell V Crede J P Cummings D Dale N Dashyan R De Masi R De Vita E De Sanctis P V Degtyarenko H Denizli L Dennis A Deur K V Dharmawardane K S Dhuga R Dickson C Djalali G E Dodge D Doughty M Dugger S Dytman O P Dzyubak H Egiyan K S Egiyan L El Fassi L Elouadrhiri R Fatemi G Fedotov R J Feuerbach T A Forest A Fradi H Funsten M Garçon G Gavalian N Gevorgyan G P Gilfoyle K L Giovanetti F X Girod J T Goetz R W Gothe K A Griffioen M Guidal M Guillo N Guler V Gyurjyan C Hadjidakis K Hafidi H Hakobyan C Hanretty J Hardie N Hassall D Heddle F W Hersman K Hicks I Hleiqawi M Holtrop C E Hyde-Wright Y Ilieva D G Ireland B S Ishkhanov E L Isupov M M Ito D Jenkins H S Jo J R Johnstone K Joo H G Juengst N Kalantarians J D Kellie M Khandaker W Kim A Klein F J Klein M Kossov Z Krahn L H Kramer V Kubarovsky J Kuhn S E Kuhn S V Kuleshov V Kuznetsov J Lachniet J M Laget J Langheinrich D Lawrence K Livingston H Y Lu M Maccormick N Markov P Mattione S McAleer B McKinnon J W C McNabb B A Mecking S Mehrabyan M D Mestayer C A Meyer T Mibe K Mikhailov M Mirazita R Miskimen V Mokeev B Moreno K Moriya S A Morrow M Moteabbed J Mueller E Munevar G S Mutchler P Nadel-Turonski R Nasseripour S Niccolai G Niculescu I Niculescu B B Niczyporuk M R Niroula R A Niyazov G V O'Rielly M Osipenko A I Ostrovidov K Park E Pasyuk C Paterson S Anefalos Pereira S A Philips J Pierce N Pivnyuk D Pocanic O Pogorelko E Polli I Popa S Pozdniakov B M Preedom J W Price Y Prok D Protopopescu L M Qin B A Raue G Riccardi G Ricco M Ripani B G Ritchie F Ronchetti G Rosner P Rossi P D Rubin F Sabatié J Salamanca J P Santoro V Sapunenko R A Schumacher V S Serov Y G Sharabian D Sharov N V Shvedunov A V Skabelin E S Smith L C Smith D I Sober D Sokhan A Stavinsky S S Stepanyan S Stepanyan B E Stokes P Stoler I I Strakovsky S Strauch M Taiuti D J Tedeschi U Thoma A Tkabladze S Tkachenko L Todor M Ungaro M F Vineyard A V Vlassov D P Watts L B Weinstein M Williams E Wolin M H Wood A Yegneswaran L Zana J Zhang B Zhao Z W Zhao

A search for exotic mesons in the pi;{+}pi;{+}pi;{-} system photoproduced by the charge exchange reaction gammap-->pi;{+}pi;{+}pi;{-}(n) was carried out by the CLAS Collaboration at Jefferson Lab. A tagged-photon beam with energies in the 4.8 to 5.4 GeV range, produced through bremsstrahlung from a 5.744 GeV electron beam, was incident on a liquid-hydrogen target. A partial wave analysis was pe...

Journal: :Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] 2003
Arlene S Rogachefsky Mussarat Hussain David J Goldberg

BACKGROUND Acne scar correction remains a challenge to the dermatologic surgeon. With nonablative laser resurfacing, this correction is imputed to dermal collagen remodeling and acne scar reorganization. Although atrophic acne scars tend to respond to laser treatment, the deeper ice pick and boxcar scars tend to be laser resistant. OBJECTIVE To investigate the treatment of atrophic and a mixe...

1999
G. N. Shestakov

It is shown that the list of unusual mesons planned for a careful study in photoproduction can be extended by the exotic states X(1600) with I(J) = 2(2) which should be looked for in the ρρ decay channels in the reactions γN → ρρN and γN → ρρ∆. The full classification of the ρρ states by their quantum numbers is presented. A simple model for the spin structure of the γp → f2(1270)p, γp → a2(132...

2017
Yun Li Jun Ju Xiaoxiao Liu Tao Gao Zhidong Wang Qianwei Ni Chao Ma Zhenyan Zhao Yixiong Ren Moyi Sun

In this study, we aimed to develop and validate nomograms for predicting long-term overall survival (OS) and cancer-specific survival (CSS) in major salivary gland cancer (MSGC) patients. These nomograms were developed using a retrospective cohort (N=4218) from the Surveillance, Epidemiology, and End Results (SEER) database, and externally validated using an independent data cohort (N=244). We ...

Journal: :Journal of women's health 2012
Ji Won Yoo Shunichi Nakagawa Sulgi Kim

BACKGROUND We examined whether the recent reimbursement reductions on the bone mineral density (BMD) test affected BMD testing in female Medicare beneficiaries with or without supplemental private health insurance. METHODS Retrospectively analyzing hospital administrative and clinical data on female Medicare beneficiaries (n=1320), we reviewed whether participants received BMD testing before ...

Journal: :Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] 2004
Elizabeth L Tanzi Tina S Alster

BACKGROUND Atrophic scar revision techniques, although numerous, have been hampered by inadequate clinical responses and prolonged postoperative recovery periods. Nonablative laser treatment has been shown to effect significant dermal collagen remodeling with minimal posttreatment sequelae. Although many studies have been published regarding the effectiveness of these nonablative lasers on rhyt...

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