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Continued Emissions of the Ozone-Depleting Substance Carbon Tetrachloride From Eastern Asia
Lunt, M. F.,Park, S.,Li, S.,Henne, S.,Manning, A. J.,Ganesan, A. L.,Simpson, I. J.,Blake, D. R.,Liang, Q.,O'Doherty, S.,Harth, C. M.,Mü,hle, J.,Salameh, P. K.,Weiss, R. F.,Krummel, P. B.,Fraser, P American Geophysical Union 2018 Geophysical research letters Vol.45 No.20
Kelly J. Bridges,Lauren N. Simpson,Carli L. Bullis,Andy Rekito,Christina M. Sayama,Khoi D. Than 대한척추외과학회 2018 Asian Spine Journal Vol.12 No.3
Study Design: A literature review. Purpose: To explore the utility of laminoplasty in combination with instrumented fusion, with a focus on neurological outcomes and changes in kyphotic deformity. Overview of Literature: Management of cervical spondylotic myelopathy (CSM) to reduce morbidity within the neurosurgical population. Methods: A US National Library of Medicine PubMed search was conducted for manuscripts pertaining to cervical laminoplasty and fusion for the management of CSM. Several relevant studies were shortlisted for review, and the bibliographies of the articles were searched for additional references. The search was limited to human studies, English-language literature, and reports on more than one patient. Results: Combined laminoplasty and fusion was found to provide at least comparable, if not superior, neurological outcomes in specific patient populations with CSM. The Japanese Orthopedic Association scores, local kyphosis, and C2–C7 angle have been reviewed in several manuscripts, and improvement in each of these categories was found with laminoplasty and fusion. Conclusions: The treatment of CSM necessitates an individualized approach based on the pathoanatomical variation. Laminoplasty and fusion can be appropriately used for patients with CSM in a setting of local kyphotic deformity, ossification of the posterior longitudinal ligament, associated segmental instability, and the need for strong stabilization.
( Kathy J. Simpson ),( Shannon L. Williams ),( Patricia DeIRey ),( Teri M. Ciapponi ),( Hsiu Ling Wen ) 한국스포츠정책과학원(구 한국스포츠개발원) 2001 International Journal of Applied Sports Sciences Vol.13 No.1
The objective of the study was to determine the contributions of each limb to generate near-maximal running velocity and accurate foot placement onto the takeoff board during the approach phase of the long jump for elite, transtibial and transfemoral athletes. Using a panning technique, the 1996 Paralympic long jump competitions were videotaped Paired t-tests (p < 0.05) were used to investigate interlimb lower extremity symmetry for kinematic variables for the 20 transtibial and 3 transfemoral competitors. Based on inductive analysis methodology, the intertrial, individual participant kinematic SD patterns were categorized to estimate the visual control strategies used to attain accuracy. Some transtibial performers exhibited little interlimb asymmetry and increased running velocity by increasing step lengths and frequencies. The variety of locomotor strategies demonstrated could be due partly to the varying abilities among the performers to modulate the prosthetic limb step length or flight time. For transfemoral performers, increased velocity was accomplished via longer nonprosthetic limb step lengths. For the three transfemoral performers, the total number of steps, the approach velocity and accuracy modulation were affected by the limitations of the prosthetic limb. For visual targeting, very few jumpers exhibited the classic time-before-contact toe position SD pattern.
βdecay ofCd129and excited states inIn129
Taprogge, J.,Jungclaus, A.,Grawe, H.,Nishimura, S.,Doornenbal, P.,Lorusso, G.,Simpson, G. S.,Sö,derströ,m, P.-A.,Sumikama, T.,Xu, Z. Y.,Baba, H.,Browne, F.,Fukuda, N.,Gernhä,user, R.,Gey, American Physical Society 2015 PHYSICAL REVIEW C - Vol.91 No.5
Taprogge, J.,Jungclaus, A.,Grawe, H.,Nishimura, S.,Xu, Z.Y.,Doornenbal, P.,Lorusso, G.,Ná,cher, E.,Simpson, G.S.,Sö,derströ,m, P.-A.,Sumikama, T.,Baba, H.,Browne, F.,Fukuda, N.,Gernh&aum North-Holland Pub. Co 2014 Physics letters. Section B Vol.738 No.-
<P><B>Abstract</B></P> <P>The decay of an isomeric state in the neutron-rich nucleus <SUP>129</SUP>Cd has been observed via the detection of internal conversion and Compton electrons providing first experimental information on excited states in this nucleus. The isomer was populated in the projectile fission of a <SUP>238</SUP>U beam at the Radioactive Isotope Beam Factory at RIKEN. From the measured yields of <I>γ</I>-rays and internal conversion electrons, a multipolarity of <I>E</I>3 was tentatively assigned to the isomeric transition. A half-life of <SUB> T 1 / 2 </SUB> = 3.6 ( 2 ) ms was determined for the new state which was assigned a spin of ( 21 / <SUP> 2 + </SUP> ) , based on a comparison to shell model calculations performed using state-of-the-art realistic effective interactions.</P>
Scale Up of Ceramic Waste Forms for Electrorefiner Salts Produced during Spent Fuel Treatment
Kenneth J. Bateman,Matthew C. Morrisona,Devin S. Rappleye,Michael F. Simpson,Steven M. Frank 한국방사성폐기물학회 2015 방사성폐기물학회지 Vol.13 No.S
A full-scale process has been developed to immobilize fission products that accumulate within the Mark IV electrorefiner (ER) electrolyte at Idaho National Laboratory. ER salt was blended with treatment additives, followed by pressureless consolidation (PC) in a furnace to produce a durable ceramic waste form (CWF). The goal is the development of a process to consolidate actual radioactive ER salt into a form suitable for transportation and disposal. Four batches (300 to 400 kg per batch) of full-scale pre-qualification material preparation runs have been prepared. From these four batches of nonradioactive salt-loaded surrogate material, three full-scale PC trials have been conducted. The first PC test run, established equipment parameters with a basic CWF container design. The second trial included a modified CWF container design, real-time measurement of CWF consolidation, and an audio recording to identify cracking during the CWF cool-down. During the third trial, salt was doped (from the fourth material preparation batch) to create a nonradioactive salt material and to more closely represent actual ER salt. The second and third trials were also used to validate a model developed for the CWF. The CWF model is beneficial for understanding and predicting the physical processes that occur during the heat cycle. This would be particularly useful when the CWF is located in a hot cell, which makes accessing and examining a CWF difficult.