检索结果-南通市图书馆

在线全文

学校读者我要写书评

暂无评论

胸部CT应用静脉内造影剂注射的价值

放射学实践 1989年第3期4卷 97-103页

作者： S.A.Beyer-Enke j.grich M.Müller S.Tüngerthal g.van Kaick 张本固 Abteilung für Onkologische Diagnostik und Therapie Institut für Radiologie und Pathophysiologie des Deutschen Krebsforschungszentrums Heidelberg 同济医科大学附属同济医院

胸部CT有较高诊断能力。在CT连续断层时应用造影剂(有时为附加应用)能明显减少对血管结构和肿瘤块影的分辨困难。

关键词：胸 CT诊断 X线造影剂静脉注射

在线全文

学校读者我要写书评

暂无评论

肝动脉出血的非手术治疗

Oncology and Translational Medicine 1996年第1期13卷 25-25页

作者： j.grich V.Kunze j.Vogel A.Riber N.Rilinger H.j.Brambs 汪玲同济医科大学附属同济医院 Universittsklinik Ulm Germany

目的研究肝段动脉栓塞治疗肝动脉出血的效果和并发症。材料和方法对23例肝段动脉出血病人进行栓塞术,其中22例肝段动脉支栓塞,1例肝固有动脉完全栓塞。用 Minispiral 和 Ethibloc 进行栓塞。出血的原因为外伤(20例)和肿瘤(3例)。结果栓... 详细信息

目的研究肝段动脉栓塞治疗肝动脉出血的效果和并发症。材料和方法对23例肝段动脉出血病人进行栓塞术,其中22例肝段动脉支栓塞,1例肝固有动脉完全栓塞。用 Minispiral 和 Ethibloc 进行栓塞。出血的原因为外伤(20例)和肿瘤(3例)。结果栓塞术后24小时内91%的出血停止。1例因门静脉闭塞增加了栓塞操作的难度,虽然出血

关键词：动脉出血栓塞术肝段

On the Set of grouplikes of a Coring

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Acta Mathematica Sinica,English Series 2012年第1期28卷 195-204页

作者： L.EL KAOUTIT j.góMEZ-TORRECILLAS Departamento de lgebra.Facultad de Educación y Humanidades Universidad de GranadaEl Greco No 10E-51002 CeutaEspaa Departamento de lgebra.Facultad de Ciencias Universidad de GranadaE18071 GranadaEspaa

We focus our attention to the set gr（ξ） of grouplike elements of a coring ξover a ring A. We do some observations on the actions of the groups U（A） and Aut（ξ~） of units of A and of automorphisms of corings of ξ, respectively, on gr（ξ）, and on the subset gal（ξ）of all galois grouplike elements. Among them, we give conditions on ξ under which gal（ξ） is a group, in such a way that there is an exact sequence of groups {1} → U（Ag） → U（A） → gal（ξ） → {1}, where Ag is the subalgebra of coinvaxiants for some g ∈ gal（ξ）.

关键词： galois corings division ring extensions non-abelian cohomology

Thermo-Mechanical Influence on the Internal Friction of a 51CrV4 Shaft

在线全文

学校读者我要写书评

暂无评论

Chinese Physics Letters 2012年第11期29卷 131-135页

作者： j.göken I.S.golovin T.S.Andrianova K.Steinhoff H.Brink Faculty of Maritime Studies University of Applied Sciences Emden-LeerBergmannstrasse 3626789 LeerGermany Department of Physical Metallurgy of Non-Ferrous Metals National Research Technological University'MISIS'119049MoscowLeninskiy Prospekt 4Russia Chair of Metal Forming Technology University of KasselKurt-Wolters-Str.334125 KasselGermany

The influence of simultaneously applied mechanical and thermal treatment is used for producing a geometrically complex shaft from 51CrV4 steel resulting in widely differing formations of ***'properties such as internal friction(IF),hardness and electrical resistivity are affected by this change of microstructure *** Snoek–Koster peak is identified and analyzed in the actual steel structure.

关键词： 51CrV4 structure steel

Apples to oranges:environmentally derived,dynamic regulation of serotonin neuron subpopulations in adulthood?

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

Neural Regeneration Research 2025年第9期20卷 2596-2597页

作者： Christopher j.O’Connell Matthew j.Robson Department of genetics College of MedicineHarvard UniversityBostonMAUSA james L.Winkle College of Pharmacy Division of Pharmaceutical SciencesUniversity of CincinnatiCincinnatiOHUSA Neuroscience graduate Program College of MedicineUniversity of CincinnatiCincinnatiOHUSA

Traumatic brain injury(TBI)is a public health problem with an undue economic burden that impacts nearly every age,ethnic,and gender group across the globe(Capizzi et al.,2020).TBIs are often sustained during a dynamic range of exposures to energetic environmental forces and as such outcomes are typically heterogeneous regarding severity and pathology(Capizzi et al.,2020).

关键词： sustained orange dynamic

INVESTIgATION ON 1/3[111] FRANK LEDgE DISLOCATIONS ATα_2/γINTERFACE IN HOT-DEFORMED Ti-45Al-10Nb ALLOY

在线全文

学校读者我要写书评

暂无评论

Acta Metallurgica Sinica(English Letters) 1997年第4期10卷 323-328页

作者： j.g Wang L.C Zhang g.L. Chenand HQ. Ye(State Key Laboratory for Advanced Metals and Materials, Unborsity of Science and Technology Beijing,Beijing 100083, China)(Laboratory of Atond Imaging of Solids, Institute of Metal Research, Chinese Academy of Scienc Univ of Science and Technology Beijing Beijing China

The dislocation ledges at the α2/7 intedece in a hot-dejormed Ti-45Al-10N alloywere analyzed by high-resolution tmnsmission electron microscopy. A new type ofdislocation ledge containing 1/3[111] Frank partial was found. The height of the ledgestDas always three [111]γplanes. The Burpers vectore of these diBlocation ledges weredetermined to be 1/2[110] and 1/2g to the 90 dey. and 30 *** partials at noral ledges, i.e. 90 dep. ShockIey Partial dislocation +1/3[111]Frank partial dislocation; and 30 deg. Shockley partial dislocation + 1/3[111] Frankparfial dislocations. The jormation mechanism of this new tare of dislocation ledgewas discussed.

关键词： titanium aluminide thermomechanical treatment phase interface tmnsmission electron microscopy

gene therapy for spinal muscular atrophy:perspectives on the possibility of optimizing SMN1 delivery to correct all neurological and systemic perturbations

在线全文

学校读者我要写书评

暂无评论

Neural Regeneration Research 2025年第7期20卷 2011-2012页

作者： Sharon j.Brown Rafael j.Yáñez-Muñoz Heidi R.Fuller School of Pharmacy and Bioengineering Keele UniversityKeeleUK Wolfson Center for Inherited Neuromuscular Disease TORCH BuildingRJAH Orthopaedic HospitalOswestryUK *** Center of Gene and Cell TherapyDepartment of Biological SciencesSchool of Life Sciences and the EnvironmentRoyal Holloway University of LondonEghamUK

Spinal muscular atrophy(SMA)is a genetic condition that results in selective lower motor neuron loss with concomitant muscle weakness and *** genetic cause of SMA was understood in 1995 when loss or impairment of the survival motor neuron 1(SMN1)gene was identified as the main contributing factor(Lefebvre et al.,1995).This,in combination with the discovery that humans have a“back-up”gene,SMN2,which can produce low levels(approximately 10%)of the full-length functional SMN protein,has led to the generation of SMA-specific gene *** was traditionally classified according to age of symptom onset and developmental milestones achieved,with life expectancy and severity varying between ***,SMN2 copy number is used as a proxy for the prediction of disease severity,with higher SMN2 copy number typically being associated with reduced severity of SMA,although this relationship is not absolute:some individuals with low SMN2 copy number have less severe SMA phenotypes and vice ***,the etiology of SMA is further complicated by other factors,such as non-typical nucleotide variants and SMN2-independent modifiers of disease severity.

关键词： atrophy traditionally absolute

INTERNAL FRICTION OF 51CrV4 SHAFT INFLUENCED BY THERMO-MECHANICAL COUPLINg

在线全文

学校读者我要写书评

暂无评论

Acta Metallurgica Sinica(English Letters) 2008年第2期21卷 79-84页

作者： j.gken M.Maikranz-Valentin K.Steinhoff T.S.Pavlova T.V.Ivleva I.S.golovin Chair of Metal Forming Technology University of Kassel KasselGermany Physics of Metals and Materials Science Department Tula State University TulaRussia

The simultaneous influence of thermal and mechanical treatment was applied to produce a geometrically complex shaft from 51CrV4 steel leading to the formation of mierostruetures which were significantly different from each other. These mierostrue- rural differences were accompanied by a local change of mechanical properties in terms of hardness, electrical resistivity and especially internal friction. The Snoek-KSster peak was recognized and analyzed in the structure of this steel.

关键词： 51CRV4 steel Functionally graded material (FgM) Internalfriction Snoek- KSster peak

Women in visual neural regeneration research

在线全文

学校读者我要写书评

暂无评论

Neural Regeneration Research 2025年第2期20卷 489-490页

作者： Tonia S.Rex David j.Calkins Vanderbilt Eye Institute Vanderbilt University Medical CenterNashvilleTNUSA

The year 2024 marks the 60^(th)anniversary of Title IX and 25 years since the New York Times revealed bias against female faculty members at the Massachusetts Institute of *** take an opportunity here to examine the state of gender bias in a relatively new yet already prominent field,neural regeneration in the visual system,for which there is a well-defined context useful for this *** National Eye Institute(NEI)provided the first round of research funding for its Audacious goals Initiative(AgI)on visual neural regeneration in 2013 and the last round in ***,we focus on this *** sources included PubMed,the National Science Foundation(NSF),the NEI,the Blue Ridge Institute for Medical Research and data from the major professional organization for eye and vision research,the Association for Research in Vision and Ophthalmology(ARVO).

关键词： neural visual Times