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New constraints on the P-T path of HT/UHT metapelites from the Highland Complex of Sri lanka

Geoscience Frontiers 2017年第6期8卷 1405-1430页

作者： P.l.Dharmapriya Sanjeewa P.K.malaviarachchi l.m.kriegsman Andrea Galli K.Sajeev Chengli Zhang Postgraduate Institute of Science University of Peradeniya20400Sri Lanka Department of Geology Faculty of ScienceUniversity of Peradeniya20400Sri Lanka Naturalis Biodiversity Center Darwinweg 2NL-2333 CR LeidenThe Netherlands Department of Earth Sciences Utrecht UniversityBudapestlaan 4NL-3584 CD UtrechtThe Netherlands Department of Earth Sciences ETH ZurichSonnegstrasse 5CH-8092 ZurichSwitzerland Centre for Earth Sciences Indian Institute of ScienceBangalore 560012India Key laboratory of Continental Dynamics of Northwest University Department of GeologyNorthwest UniversityXi’an 710069China

We report here rare evidence for the early prograde P-Tevolution of garnet-sillimanite-graphite gneiss(khondalite)from the central Highland Complex,Sri *** types of garnet porphyroblasts(Grt_1,Grt_2,Grt_3 and Grt_4)are observed in the rock with specific types of inclusion *** Grt_3 shows evidence for non-coaxial *** the information shows a sequence of main inclusion phases,from old to young:oriented quartz inclusions at core,staurolite and prismatic sillimanite at mantle,kyanite and kyanite pseudomorph,and biotite at rim in Grt_1;fibrolitic sillimanite pseudomorphing kyanite±corundum,kyanite,and spinel+sillimanite after garnet+corundum in Grt_2;biotite,sillimanite,quartz±spinel in Grt_3;and ilmenite,rulite,quartz and sillimanite in Grt_*** pre-melting,original rock composition was calculated through stepwise re-integration of melt into the residual,XRF based composition,allowing the early prograde metamorphic evolution to be deduced from petrographical observations and *** earliest recognizable stage occurred in the sillimanite field at around 575℃ at 4.5 *** collision associated with Gondwana amalgamation led to crustal thickening along a P-T trajectory with an average dP/dT of ~30 bar/℃ in the kyanite field,up to ~660℃ at 6.5 kbar,before crossing the wet-solidus at around 675 ℃ at 7.5 *** highest pressure occurred at P > 10 kbar and T around 780℃ before prograde decompression associated with further *** 825℃ and 10.5 kbar,the rock re-entered into the sillimanite *** temperature peaked at 900℃ at ca.9-9.5 *** near-isobaric cooling led to the growth of Grt_4 and rutile at T ~880℃.local pyrophyllite rims around sillimanite suggest a late stage of rehydration at Tly occurred after uplift to upper crustal levels.U-Pb dating of zircons by lAICPmS of the khondalite yielded two concordant ^(206)Pb/^(238)U age groups with mean values of 542±2 ma(mSWD=0.24,Th/U=0.01-0.

关键词： Prograde evolution melt re-integration Highland Complex Sri lanka UHT granulites

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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

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Getting physical with medical education:Exercise based virtual anatomy review classes for medical students

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World Journal of methodology 2025年第1期15卷 20-25页

作者： Nadeesha R Samarasinghe Taniya S Nagpal michele l Barbeau Charys m martin Division of General Surgery Faculty of MedicineUniversity of British ColumbiaVancouver V6T 1Z3BCCanada Faculty of Kinesiology Sport and RecreationUniversity of AlbertaEdmonton T6G 2R3ABCanada Anatomy and Cell Biology University of Western OntarioLondon N6A 3K7ONCanada Department of Anatomy and Cell Biology Schulich School of Medicine and DentistryThe University of Western OntarioLondon N6A 3K7ONCanada

The benefits of regular physical activity are well ***,few studies have examined the effectiveness of integrating physical activity(PA)into curricula within a post-secondary *** investigate the incorporation of PA into medical curriculum,we developed a series of optional exercise-based review sessions designed to reinforce musculoskeletal(mSK)anatomy course *** synchronous sessions were co-taught by a group fitness instructor and an anatomy *** fitness instructor would lead students through both strength and yoga style exercises,while the anatomy instructor asked questions about relevant anatomical structures related to course material previously *** the sessions,participants were asked to evaluate the classes on their self-reported exam preparedness in improving mSK anatomy knowledge,PA levels,and mental *** participants completed surveys;a majority agreed that the classes increased understanding of mSK concepts(90.0%)and activity levels(97.7%).many(70.0%)felt that the classes helped reduce *** majority of respondents(90.0%)agreed that the classes contributed to increased feelings of social ***,medical students saw benefit in PA based interventions to supplement mSK course *** with increasing activity levels and promoting health behaviours,integrating PA into medical curriculum may improve comprehension of learning material,alleviate stress and foster social connectivity among medical students.

关键词： medical education musculoskeletal Anatomy Exercise Online learning

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Complement-dependent neuroinflammation in spinal cord injury:from pathology to therapeutic implications

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Neural Regeneration Research 2025年第5期20卷 1324-1335页

作者： Hassan Saad Bachar El Baba Ali Tfaily Firas Kobeissy Juanmarco Gutierrez Gonzalez Daniel Refai Gerald R.Rodts Christian mustroph David Gimbel Jonathan Grossberg Daniel l.Barrow matthew F.Gary Ali m.Alawieh Department of Neurosurgery Emory University School of MedicineAtlantaGAUSA Department of Neurology Yale UniversityNew HavenCTUSA Center for Neurotrauma Multiomics&Biomarkers(CNMB)Morehouse School of MedicineAtlantaGAUSA

Spinal cord injury remains a major cause of disability in young adults,and beyond acute decompression and rehabilitation,there are no pharmacological treatments to limit the progression of injury and optimize recovery in this *** the thorough investigation of the complement system in triggering and propagating cerebral neuroinflammation,a similar role for complement in spinal neuroinflammation is a focus of ongoing *** this work,we survey the current literature investigating the role of complement in spinal cord injury including the sources of complement proteins,triggers of complement activation,and role of effector functions in the *** study relevant data demonstrating the different triggers of complement activation after spinal cord injury including direct binding to cellular debris,and or activation via antibody binding to damage-associated molecular *** effector functions of complement have been implicated in spinal cord injury,and we critically evaluate recent studies on the dual role of complement anaphylatoxins in spinal cord injury while emphasizing the lack of pathophysiological understanding of the role of opsonins in spinal cord *** this pathophysiological review,we systematically review the different translational approaches used in preclinical models of spinal cord injury and discuss the challenges for future translation into human *** review emphasizes the need for future studies to dissect the roles of different complement pathways in the pathology of spinal cord injury,to evaluate the phases of involvement of opsonins and anaphylatoxins,and to study the role of complement in white matter degeneration and regeneration using translational strategies to supplement genetic models.

关键词： complement neuroinflammation neuroplasticity regeneration spinal cord injury targeted therapy

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Distinct metamorphic evolution of alternating silica-saturated and silica-deficient microdomains within garnet in ultrahigh-temperature granulites: An example from Sri lanka

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Geoscience Frontiers 2017年第5期8卷 1115-1133页

作者： P.l.Dharmapriya Sanjeewa P.K.malaviarachchi leo m.kriegsman K.Sajeev Andrea Galli Y.Osanai N.D.Subasinghe C.B.Dissanayake Postgraduate Institute of Science University of Peradeniya 20400 Sri Lanka Department of Geology Faculty of Science University of Peradeniya 20400 Sri Lanka Department of Geology Naturalis Biodiversity Center Darwinweg 2 2333 CR Leiden The Netherlands Department of Earth Sciences University of Utrecht NL-3584 CD Utrecht The Netherlands Center for Earth Sciences Indian Institute of Science Bangalore 560012 India Department of Earth Sciences ETH Zurich Sonnegstrasse 5 CH-8092 Zurich Switzerland Division of Earth Sciences Department of Environmental Changes Faculty of Social and Cultural Studies Kyushu University 744 Motooka Fukuoka 819-0395 Japan National Institute of Fundamental Studies Hantana Road Kandy Sri Lanka

Here we report the occurrence of garnet porphyroblasts that have overgrown alternating silica-saturated and silica deficient microdomains via different mineral reactions. The samples were collected from ultrahigh-temperature(UHT) metapelites in the Highland Complex, Sri lanka. In some of the metapelites, garnet crystals have cores formed via a dehydration reaction, which had taken place at silicasaturated microdomains and mantle to rim areas formed via a dehydration reaction at silica-deficient microdomains. In contrast, some other garnets in the same rock cores had formed via a dehydration reaction which occurred at silica-deficient microdomains while mantle to rim areas formed via a dehydration reaction at silica-saturated microdomains. Based on the textural observations, we conclude that the studied garnets have grown across different effective bulk compositional microdomains during the prograde evolution. These microdomains could represent heterogeneous compositional layers(paleobedding/laminations) in the precursor sediments or differentiated crenulation cleavages that existed during prograde metamorphism. UHT metamorphism associated with strong ductile deformation, metamorphic differentiation and crystallization of locally produced melt may have obliterated the evidence for such microdomains in the matrix. The lack of significant compositional zoning in garnet probably due to self-diffusion during UHT metamorphism had left mineral inclusions as the sole evidence for earlier microdomains with contrasting chemistry.

关键词： UHT metapelites Garnet microdomains Highland Complex Sri lanka

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Analysis of culturable and unculturable microbial community in bensulfuron-methyl contaminated paddy soils

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Journal of Environmental Sciences 2008年第12期20卷 1494-1500页

作者： m.l.Umashankara Department of Sericulture College of YuvarajasMysore University

To investigate the influence of bensulfuron-methyl(BSm)on culturable microbial quantities and unculturable microbial community structures,conventional and molecular biological methods were employed in five BSm treated soils with three replications,respectively. The results obtained with traditional culture-dependent methods showed that a low-level of BSm had slight and transient effects on culturable microorganisms;nevertheless,high concentration of BSm resulted in a dramatic decrease in bacterial colony fo...

关键词： bensulfuron-methyl(BSm) microbial quantities community structures DGGE

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The dynamic compensation temperature in a kinetic spin-5/2 Ising model on a hexagonal lattice

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Chinese Physics B 2013年第3期22卷 471-480页

作者： mt Temizer Aysegl Ozkιlι Department of Physics Bozok University66200 YozgatTurkey Institute of Science Bozok University66200 YozgatTurkey

We present a study of the dynamic behavior of a two-sublattice spin-5/2 Ising model with bilinear and crystal-field interactions in the presence of a time-dependent oscillating external magnetic field on alternating layers of a hexagonal lattice by using the Glauber-type stochastic *** lattice is formed by alternate layers of spins σ=5/2 and S=5/*** employ the Glauber transition rates to construct the mean-field dynamic ***,we investigate the time variations of the average sublattice magnetizations to find the phases in the system and then the thermal behavior of the dynamic sublattice magnetizations to characterize the nature（first-or second-order） of the phase transitions and to obtain the dynamic phase transition（DPT） *** also study the thermal behavior of the dynamic total magnetization to find the dynamic compensation temperature and to determine the type of the dynamic compensation *** present the dynamic phase diagrams,including the dynamic compensation temperatures,in nine different *** phase diagrams contain seven different fundamental phases,thirteen different mixed phases,in which the binary and ternary combination of fundamental phases and the compensation temperature or the l-type behavior strongly depend on the interaction parameters.

关键词： kinetic Ising model dynamic phase transition dynamic compensation temperature

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Dynamic heating and thermal destruction conditions of quartz particles in polydisperse plasma flow of RF-ICP torch system

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Plasma Science and Technology 2020年第11期22卷 114-126页

作者： l mIAO Yu m GRISHIN Department of Thermophysics Moscow State Technical University N E BaumanMoscow 105005Russia

Numerical simulation of turbulent mixing process of polydisperse quartz particle(particle size distribution in the range of 0.1-0.4 mm)flow with Ar and Ar-H2 plasma generated by radio frequency inductively coupled plasma(RF-ICP)torch has been *** approximate two-stage approach has been proposed to calculate the spatial-temporal distributions of temperature and resulting thermal stress in quartz particles during dynamic heating in polydisperse plasma *** influence of working gas compositions,particle size distributions,injection angle and flow rate of carrier gas on the thermal destruction conditions of quartz particles has been determined under different particle feed *** is found that all the solid quartz particles(0.1-0.4 mm)could be thermal destructed without overheating in RF-ICP torch system,when the hydrogen volume fraction in working gases is more than 1.5%-2%and particle feed rate is in a certain *** values of the maximum and minimum feed rates have been determined under different hydrogen volume *** optimal particle injection angle and flow rate of carrier gas is found around 50°-60°and 160-220 slpm,under which the value of maximum equivalent thermal stress in quartz particles is highest.

关键词： RF-ICP torch dynamic heating thermal destruction hydrogen volume fraction optimal injection conditions

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Kachchh (India) earthquake 2001——causes,severity and impact on groundwater resources

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Journal of Environmental Sciences 2003年第4期15卷 500-505页

作者： m.A.Khan m.l.Sharma CentralAridZoneResearchInstitute CentralAridZoneResearchInstitute Jodhpur342003IndiaJodhpur342003India

Earthquake 2001 in Bhuj region of Kachchh district of Gujarat(India) was one of the most devastating earthquakes in the Indian history. This earthquake has caused severe damage to human life and properties. The impact of earthquake on groundwater resources at many locations was significant. Steep rise in static water level due to earthquake was observed at Bhachau and Chandarani. At other location groundwater followed the declining trend.

关键词： earthquake geology groundwater Bhuj, Kachchh

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On calculating glacial isostatic adjustment

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Geodesy and Geodynamics 2024年第5期15卷 441-452页

作者： l.m.Cathles Cornell University IthacaNY 14853USA

modeling the earth's fluid and elastic response to the melting of the glaciers of the last ice age is the most direct way to infer the earth's radial viscosity ***,we compare two methods for calculating the viscoelastic response to surface *** one,the elastic equation of motion is converted to a viscoelastic equation using the Correspondence *** the other,elastic deformation is added to the viscous flow as isostatic adjustment *** two modeling methods predict adjustment histories that are different enough to potentially impact the interpretation of the observed glacial isostatic adjustment(GIA).The differences arise from buoyancy and whether fluid displacements are subjected to hydrostatic *** methods agree if they use the same equations and boundary *** origin of the differences is determined by varying the boundary conditions and pre-stress application.

关键词： Glacial isostatic adjustment Viscoelastic normal modes Hydrostatic pre-stress Elastic buoyancy Correspondence principle

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