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早期给予早产儿更多表面活性剂

世界核心医学期刊文摘（儿科学分册） 2006年第8期2卷 27-27页

作者： hughes j.l. McCall E. Alderdice F. jenkins j. 刘莉 Paediatric Department Antrim HospitalAntrim BT41 2RLUnited Kingdom Dr.

Surfactant administration to infants born at less than 32 weeks gestation was compared between two time periods(1 April 1994 to 31 March 1996 and 1 April 199 9 to 31 March 2001).Overall administration increased significantly from 41%to 54%,and within one hour of birth from 13%to 60%.Regional data collection an d feedback helps promote quality improvement and implementation of published evi dence and guidelines.

关键词：表面活性剂早产儿早期诊断依据数据收集百分率出生后治疗

Emerging role of A-kinase anchoring protein 5 signaling in reward circuit function

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Neural Regeneration Research 2025年第10期20卷 2913-2914页

作者： William j.Flerlage Mark l.Dell’Acqua Brian M.Cox Fereshteh S.Nugent Uniformed Services University of the Health Sciences Department of Pharmacology and Molecular TherapeuticsBethesdaMDUSA Department of Pharmacology University of Colorado School of MedicineAnschutz Medical CampusAuroraCOUSA

There is a strong evidence supporting the hypothesis of synaptic dysfunction as a major contributor to neural circuit and network disruption underlying emotional and mood dysregulation in psychiatric disorders(Simmons et al.,2024).Diverse sets of distinct molecular signaling pathways converge on the synapse to regulate synaptogenesis,synaptic function,and synaptic plasticity in brain regions and circuits through complex interactions organized by numerous multivalent protein scaffolds,including the family of proteins known as A-kinase anchoring proteins(AKAPs).

关键词： function supporting

A MICROMECHANICAl MODEl FOR γ-TiAl BASE PST CRYSTAlS

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Acta Metallurgica Sinica(English letters) 2005年第6期18卷 686-694页

作者： j.l. Su G.K. Hu School of Mechanics-Electrics Engineering Fujian Agriculture and Forestry University Fuzhou 350002 China Department of Applied Mechanics Beijing Institute of Technology Beijing 100081 China

An analytical micromechanical method is proposed to examine the dependence of plastic deformation on the microstructure for a PST crystal. The sub-domain microstructure of the γ phase and the effect of the α2 phase are taken into account by a proper micromechanical formulation, the dislocation slip and twinning deformation mechanisms are considered in the context of crystal plasticity. The model can well predict the dependence of stress-strain relations on loading angle with respect to the microstructure. The influence of the twinning and lamellar spacing on the deformation behavior and biaxial yield surfaces for PST crystals are also examined.

关键词： TiAI alloy crystal plasticity micromechanical model yield surface

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

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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

Diorgano, Dichloro-tin (IV) Complexes of 4-X-Benzohydroxamic Acid (X=Cl, OCH_3): Synthesis, Characterization, Antitumor Activity in Vitro and the Crystal Structure of trans- [Me_2Sn (l_2) _2]

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Chinese Chemical letters 2003年第8期14卷 840-843页

作者： jing Hua ZHAO Tai Gang lIANG Qing Shan lI Armando j.l. Pombeiro SchoolofPharmaceuticalScience ShanxiMedicalUniversityTaiyuan030001

A series of diorganotin (IV) derivatives of R2Snl2 (R = Me, Et, n-Bu, ph or Cl; l = l1 or l2) and their corresponding mixed-ligand complexes R2Sn (l1)(l2) have been prepared and the structure of trans-Me2Sn (l2) 2 was characterized by FT-IR, 1H, 13C and 119Sn NMR spectroscopies, MS, elemental analysis, melting points and X-ray diffraction. The structure-activity relationships were discussed.

关键词： Diorganotin X-ray diffraction antitumor activity synthesis.

Quaternary glacial records in mountain regions：A formal stratigraphical approach

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Episodes 2005年第2期28卷 85-92页

作者： P.D.hughes P.l.Gibbard j.C.Woodward Geography SchoolofEnvironmentandDevelopmentMansfieldCooperBuildingTheUniversityofManchesterOxfordRoadManchesterM139PLUnitedKingdom. GodwinInstituteofQuaternaryResearch DepartmentofGeographyDowningPlaceUniversityofCambridgeCambridgeCB23ENUnitedKingdom.

Glacial deposits in locally-glaciated mountain regions are often expressed through their surface form and the study of these deposits constitutes a major branch of geomorphology. Studies of glacial depositional records in mountain areas have often neglected formal stratigraphical procedure resulting in an ad hoc development of quasi-stratigraphical nomenclature. Here, a formal stratigraphical procedure is recommended, since this enables a systematic approach to the subdivision of glacial deposits in mountain regions. Moreover, such an approach facilitates, in some instances, the development of a formal chronostratigraphy that can be compared to regional and global geological time scales. This is important in locally-glaciated mountain regions where glacial deposits represent one of the most important records of cold stage environments. Given that glacial landforms represent a key component of the Quaternary record, maintaining a formal link between geomorphological and geological stratigraphical procedure is a fundamental requirement of a consistent and comparable stratigraphical framework.

关键词：第四纪冰川山区地质沉积地形特征鉴别方法

NUMERICAl STUDY OF TURBUlENT IMPINGING jET WITH A REFINED k-ε MODEl

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journal of Hydrodynamics 2000年第4期12卷 8-15页

作者： Xu, j.l. Xu, Z. Huang, S.j. Zhang, K.Y. Xiao, M. 2nd Dep. Nanjing Univ. of Aeron. and Astron. Nanjing 210016 China

A refined k-Ε model re-considering the fluctuating pressure diffusion term in the dissipation rate equation (Ε-equation) is provided and used in the numerical study of circular semi-confined turbulent impinging jet. The results are compared with those of the standard k-Ε model and show that the predicting ability of the refined k-Ε model is much improved, especially for the turbulent kinetic energy k. So it is necessary to consider the effect of the fluctuating pressure diffusion term and to model this term correctly and exactly in the near wall region with the great adverse pressure gradient, where the effect of the pressure fluctuating is important. Therefore we can conclude that the new modeling idea expressed in this paper is correct and effective.

关键词： Computer simulation jets Mathematical models Turbulence

SYNTHESIS AND SOlID STATE SINTERING OF W-Ni-Fe NANO-COMPOSITE POWDERS

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Acta Metallurgica Sinica(English letters) 2000年第3期13卷 917-920页

作者： Qu, X.H. Fan, j.l. li, Y.M. Huang, B.Y. Central South Univ of Technology Changsha China

The mixture of 90 wt%W, 7 wt%Ni and 3 wt%Fe elemental powders was milled in a planetary high-energy ball mill. The evolution of the structure during milling and the sintering behavior of the milled powders were tested. The results showed that by mechanical alloying W(Ni, Fe) supersaturated solid solution with nano-meter size formed, which can enhance the sintering process. Fully dense alloy from the milled powders was obtained through solid state sintering. The tensile strength of the obtained alloy is over 900 MPa which is comparable to that of the alloy sintered by traditional liquid-phase sintering from un-milled powders of the same composition.

关键词： Tungsten alloys Nickel alloys Iron alloys Mechanical alloying Powder metals Sintering Morphology Tensile strength

Isogeometric Collocation:A Mixed Displacement-Pressure Method for Nearly Incompressible Elasticity Dedicated to Professor Karl Stark Pister for his 95th birthday

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Computer Modeling in Engineering & Sciences 2021年第12期129卷 1125-1150页

作者： S.Morganti F.Fahrendorf l.De lorenzis j.A.Evans T.j.R.hughes A.Reali Department of Electrical Computer and Biomedical EngineeringUniversita degli Studi di PaviaPavia27100Italy Institute of Applied Mechanics Technische Universitat BraunschweigBraunschweig38106Germany Department of Mechanical and Process Engineering Zurich8092Switzerland Department of Aerospace Engineering Sciences University of Colorado BoulderColorado80309USA Institute for Computational Engineering and Sciences The University of Texas at AustinTexas78712USA Department of Civil Engineering and Architecture Universita degli Studi di PaviaPavia27100Italy

We investigate primal and mixed u−p isogeometric collocation methods for application to nearly-incompressible isotropic *** primal method employs Navier’s equations in terms of the displacement unknowns,and the mixed method employs both displacement and pressure *** benchmarks for what might be considered acceptable accuracy,we employ constant-pressure Abaqus finite elements that are widely used in engineering *** a basis of comparisons,we present results for compressible *** the methods were completely satisfactory for the compressible ***,results for low-degree primal methods exhibited displacement locking and in general deteriorated in the nearly-incompressible *** results for the mixed methods behaved very well for two of the problems we studied,achieving levels of accuracy very similar to those for the compressible *** third problem,which we consider a“torture test”presented a more complex story for the mixed methods in the nearly-incompressible case.

关键词： Isogeometric analysis isogeometric collocation nearly-incompressible elasticity