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Arterial faults and their role in mineralizing systems

Geoscience Frontiers 2019年第6期10卷 2093-2100页

作者： richard H.Sibson Department of Geology University of Otago

In quartzo-feldspathic continental crust with moderate-to-high heat flow,seismic activity extends to depths of 10-20 km,bounded by isotherms in the 350-450 C *** overpressuring above hydrostatic in seismogenic crust,is heterogeneous but tends to develop in the lower seismogenic zone(basal seismogenic zone reservoir=***) where the transition between hydrostatically pressured and overpressured crust is likely an irregular,time-dependent.3-D interface with overpressuring concentrated around active faults and their ductile shear zone *** term Arterial Fault is applied to fault structures that root in portions of the crust where pore fluids are overpressured(***> hydrostatic pressure) and serve as feeders for such fluids and their contained solutes into overlying parts of the *** arterial flow may occur on any type of fault,it is most likely to be associated with reverse faults in areas of horizontal compression where fluid overpressuring is most easily *** stability and flow permeability of faults are both affected by the state of stress on the fault(shear stress,τ;normal stress,σn),the level of pore-fluid pressure,Pf,and episodes of fault slip,allowing for a complex interplay between fault movement and fluid *** seismically active faults the time dependence of permeability is critical,leading to fault-valve behaviour whereby overpressures accumulate at depth during interseismic intervals with fluid discharged along enhanced fault-fracture permeability following each rupture *** of mineralization also suggest that flow along faults is non-uniform,concentrating along tortuous pathways within the fault *** hydrostatic head above ground level for near-lithostatic overpressures at depth(<1.65×depth of zone) provides a measure of arterial *** for arterial faults include fault systems developed in compacting sedimentary basins,faults penetrating zones of active plutonic intrusi

关键词： Fault conduits Fluid overpressures Arterial potential Valve action Mineralization

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Regulating autophagy:a novel role for SETX(Senataxin)

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Neural Regeneration Research 2021年第10期16卷 2008-2009页

作者： Patricia richard Emanuel Rosonina Stellate Therapeutics Inc. JLABS@NYCNew YorkUSA Department of Biology York UniversityTorontoCanada

Mutations in the gene encoding SETX,also known as Senataxin,are mainly linked to two distinct neurodegenerative diseases,a cerebellar ataxia known as oculomotor apraxia type 2(AOA2)and a form of juvenile amyotrophic l... 详细信息

关键词： al. diseases degenerative

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The Influence of Underlying Stresses from Environmental Hazards on Resilience in Bangladesh: A System View

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International Journal of Disaster Risk Science 2019年第4期10卷 511-528页

作者： Philip Lake richard Fenner Building Sustainability Group ArupLondon W1T 4BQUK Centre for Sustainable Development Engineering DepartmentCambridge UniversityCambridge CB21TNUK

Bangladesh is one of the countries most vulnerable to climate change,while its people also suffer from a range of environmental hazards linked to the growing prevalence of non-communicable *** diseases are responsible for increasing morbidity and mortality and lead to other stresses within the *** stresses create continuous impacts on the health and well-being of the population,compounding their vulnerability and inhibiting their capacity to cope with frequent event-related shocks,such as floods and drought.A systems approach is taken to examine four important environmental hazards in Bangladesh—arsenic contamination of drinking water,arsenic transmission through the food chain,indoor air quality,and air pollution.A review of these hazards is presented in a conceptual framework that links human well-being with the key system components of infrastructure,institutions,knowledge,and *** reveals key underlying factors between the hazards and uncovers system structures that can lead to more effective hazard mitigation,and the establishment of strategic intervention *** article concludes that elimination of these continuous stresses will only come about through the culmination of multiple interventions over time,undertaken in an iterative manner that builds on the continual advancement of hazard *** role of individual behaviors,together with factors such as risk awareness and perception of the hazards,has been identified as crucial for achieving successful mitigation *** knowledge of the hazards,public awareness,and government accountability are focus points to reduce population exposure and enhance response capacity.

关键词： Air pollution Arsenic contamination Bangladesh Drinking water contamination Environmental hazards Resilience

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On monomial linearisation and supercharacters of pattern subgroups

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Science China Mathematics 2018年第2期61卷 227-252页

作者： Qiong Guo richard Dipper College of Sciences Shanghai Institute of Technology Shanghai 201418 China Institut fur Algebra und Zahlentheorie Universitat Stuttgart Stuttgart 70569 Germany

Column closed pattern subgroups U of the finite upper unitriangular groups U_n(q) are defined as sets of matrices in U_n(q) having zeros in a prescribed set of columns besides the diagonal ones. We explain Jedlitschky's construction of monomial linearisation in his thesis and apply this to CU yielding a generalisation of Yan's coadjoint cluster representations. Then we give a complete classification of the resulting supercharacters,by describing the resulting orbits and determining the Hom-spaces between orbit modules.

关键词： column closed subgroups monomial linearisation supercharacter

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Spatial and temporal analysis of beta diversity in the Barro Colorado Island forest dynamics plot, Panama

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Forest Ecosystems 2019年第1期6卷 76-86页

作者： Pierre Legendre richard Condit Département de sciences biologiques Université de Montréal Field Museum of Natural History Morton Arboretum

Background: Ecologists are interested in assessing the spatial and temporal variation in ecological surveys repeated over time. This paper compares the 1985 and 2015 surveys of the Barro Colorado Forest Dynamics plot(BCI), Panama,divided into 1250(20 m × 20 m) ***, spatial analysis: Total beta diversity was measured as the total variance of the Hellinger-transformed community data throughout the BCI plot. Total beta was partitioned into contributions of individual sites(LCBD indices), which were tested for significance and ***, spatial analysis: LCBD indices indicated the sites with exceptional community composition. In 1985,they were mostly found in the swamp habitat. In the 2015 survey, none of the swamp quadrats had significant *** happened to the tree community in the interval?Methods, temporal analysis: The dissimilarity in community composition in each quadrat was measured between time 1(1985) and time 2(2015). Temporal Beta Indices(TBI) were computed from abundance and presence-absence data and tested for significance. TBI indices can be decomposed into B = species(or abundances-per-species) losses and C = species(or abundances-per-species) gains. B-C plots were produced; they display visually the relative importance of the loss and gain components, through time, across the ***, temporal analysis: In BCI, quadrats with significant TBI indices were found in the swamp area, which is shrinking in importance due to changes to the local climate. A published habitat classification divided the BCI forest plot into six habitat zones. Graphs of the B and C components were produced for each habitat group. Group 4(the swamp) was dominated by species(and abundances-per-species) gains whereas the five other habitat groups were dominated by losses, some groups more than ***: We identified the species that had changed the most in abundances in the swamp between T1 and *** analysis supported the hypothesis that the

关键词： Beta diversity B-C plots BCI forest dynamics plot Space-time analysis Temporal beta diversity

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A mixing–isolation–mixing model of speciation can potentially explain hotspots of species diversity

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National Science Review 2019年第2期6卷 290-291页

作者： richard J.Abbott School of Biology University of St Andrews NSR

From comparative genomic analyses between species and population genetic analyses within species, He et al.[1] provide convincing evidence that mangrove divergence across the Malacca Straight, separating the Indian an... 详细信息

关键词： isolation A mixing mixing model of speciation can potentially explain hotspots of species diversity

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Persistent X-ray-activated phosphors:mechanisms and applications

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Light(Science & Applications) 2022年第6期11卷 1008-1010页

作者： Cyrille richard Bruno Viana UniversitéParis Cité CNRSINSERMUTCBSUnitéde Technologies Chimiques et Biologiques pour la SantéFacultéde Pharmacie75006 ParisFrance IRCP CNRS UMR8247PSL UniversityChimie ParisTech11 Rue P&M Curie75005 ParisFrance

Trivalent lanthanides in wide bandgap fluoride or phosphate hosts can present persistent luminescence between 200 nm and 1.7 μm after charging by *** are reviewed and applications envisioned.

关键词： lanthanide fluoride luminescence

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e-Manufacturing:Characteristics,applications and potentials

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Progress in Natural Science:Materials International 2008年第11期18卷 1323-1328页

作者： richard J.Bateman Advanced Manufacturing & Enterprise Engineering(AMEE) School of Engineering and DesignBrunel UniversityUxbridgeMiddlesex UB8 3PHUK

In this paper,an engineering oriented approach is proposed towards e-manufacturing and its *** characteristics and potential of e-manufacturing are presented with a number of application examples developed by the authors’ research *** advances in e-manufacturing and applications are also highlighted and critically *** paper concludes with a further discussion on the promises and impact of e-manufacturing technology and philosophy on modern manufacturing industry and the practices.

关键词： e-manufacturing e-design Global manufacturing Agile manufacturing Digital manufacturing

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Biodiversity science blossoms in China

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National Science Review 2021年第7期8卷 60-61页

作者： richard B.Primack Biology Department Boston University

Over the past 35 years, China has been transformed by an economic miracle unlike anything seen in the history of the world. Hundreds of millions of people have emerged from rural poverty, cities have been re-built, cutting-edge industries have been established and a modern transportation network now knits together the country. This transformation has come at a significant cost to the environment, in terms of air pollution, water pollution, the loss and fragmentation of habitats, and threats of species extinction. Yet, as the review by Mi et al.(2021) points out, China is also now emerging as a leader in biodiversity conservation and research [1].

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Intelligent power factor compensation equipment of three phase low voltage loads

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Journal of Central South University of Technology 2002年第1期9卷 64-69页

作者：罗安董密 richard Dzudzor College of Information Science and Engineering Central South University Changsha 410083 China

An intelligent power factor correction scheme is presented for three phase low power factor loads. This new scheme is able to perform individual phase sensing of parameters by monitoring at all times to sense a change in system parameters and affects individual phase correction by applying the exact amount of reactive components needed for each phase, and can also reduce negative sequence current caused by the load to improve system balance. An optimization criterion is used for the proper calculation of reactive power steps in a power compensation installation of capacitor banks. The criterion is enabled by sampling measurements performed on the electrical plant examined within specific interval of time.

关键词： power factor correction individual phase sensing negative sequence current system balance

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