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并发脉络膜上腔出血:一个病例对照研究

世界核心医学期刊文摘（眼科学分册） 2005年第5期1卷 21-22页

作者： Moshfeghi D.M. kim B.Y. kaiser p.k. 司冰心

To identify the risk factors, prognostic factors, and clinical outcomes of pat ients with perioperative appositional suprachoroidal hemorrhage (ASCH). Case-co ntrol study. Tertiary referral center. Subjects included all patients with perio perative ASCH documented by B-scan ultrasound between May 1990 and March 2001. Two or three control patients were selected for each case, matched by surgeon, p rocedure, and date of surgery within 1 month. Surgery was performed as necessary . main outcome measures. The odds of ASCH associated with clinical risk factors. secondary outcome measure: visual acuity. Thirty-seven cases with ASCH were identified. Ninety-two proce dure-and surgeon-matched control subjects (2.48:1) were selected. Twenty-six cases (71%) of ASCH were related to a glaucoma operation. Risk factors for the development of ASCH included previous vitrectomy (p=.003, odds ratio of 12) and older age (p=.007, odds ratio 1.57/decade of increasing age). Hypertension was f ound to be protective (p=.02, odds ratio of 0.33). Factors associated with a poo r visual outcome in patients with ASCH included apposition >30 days (p=.01), his tory of uveitis (p=.04), history of dry age-related macular degeneration (p=.05 ), and history of extracapsular cataract extraction (p=.05). Median pre-ASCH vi sual acuity was 20/100, and final median visual acuity was 20/1600. Risk factors for the development of ASCH include previous vitrectomy and older age. patients with these risk factors should be informed of their greater chance of poor visu al acuity and anatomic outcomes secondary to the development of ASCH.

关键词：脉络膜上腔病例对照研究玻璃体切割术手术日期青光眼手术围手术期临床危险因素葡萄膜炎诊疗中心临床疗效

Comparisons of oxbow lake fish assemblages in relation to bigheaded carp establishment in the lower White River, Arkansas

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Ecological processes 2024年第1期13卷 188-205页

作者： Michael A.Eggleton Cody J.Salzmann Joseph E.kaiser Shannon C.F.Smith Department of Aquaculture and Fisheries University of Arkansas at Pine Bluff Arkansas Game and Fish Commission Virginia Institute of Marine Science

Background Since the late 1990s, bigheaded carps(largely silver carp [Hypophthalmichthys molitrix] but also bighead carp [H. nobilis]) have established throughout the lower Mississippi River basin. Using previously studied oxbow lakes in the lower White River basin, Arkansas, we compared current(2017, “post-carp” establishment) fish assemblages to historical(2002, “pre-carp” establishment) fish assemblages. Fish assemblages were comprehensively assessed using multiple gears, including boat electrofishing, mini-fyke nets, and experimental small-mesh gill *** T-tests suggested that fish assemblage indices of richness, diversity, evenness, and dominance were often greater(p post-carp period as reflected by boat electrofishing and experimental gill nets. However, all indices were generally similar(p > 0.05) between the pre-carp and post-carp period with fish assemblages depicted using mini-fyke nets. Nonmetric multidimensional scaling analyses indicated that fish assemblages differed structurally between pre-carp and post-carp periods. Assemblage differences were linked to both small and large abundance changes for more than 20 species. Abundances of gizzard shad(Dorosoma cepedianum), emerald shiner(Notropis atherinoides), pugnose minnow(Opsopoeodus emiliae), crappies(pomoxis spp.), bluegill(Lepomis macrochirus), orangespotted sunfish(L. humilis), and yellow bass(Morone mississippiensis) declined between the pre-carp and postcarp periods. Conversely, abundances of weed shiner(N. texanus), pallid shiner(Hybopsis amnis), longear sunfish(L. megalotis), buffalofishes(Ictiobus spp.), and gars(Lepisosteus spp.) generally increased during the same *** Although not possible to conclude assemblage shifts were entirely related to bigheaded carps due to the absence of an appropriate reference system where carps did not establish, the wide establishment of these carps is one of the most pervasive changes to have occurred in the lower White

关键词： Bigheaded carp Silver carp Aquatic nuisance species Fish assemblage Oxbow lake Large river

Dual-Functional Electrode promoting Dendrite-Free and CO_(2) Utilization Enabled High-Reversible Symmetric Na-CO_(2) Batteries

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Energy & Environmental Materials 2024年第3期7卷 123-132页

作者： Changfan Xu Jiajia Qiu Yulian Dong Yueliang Li Yonglong Shen Huaping Zhao Ute kaiser Guosheng Shao Yong Lei Fachgebiet Angewandte Nanophysik Institut für Physik&IMN MacroNanoTechnische Universität Ilmenau 98693Ilmenau Germany Central Facility for Electron Microscopy Electron Microscopy Group of Materials ScienceUlm UniversityUlm 89081Germany School of Materials Science and Engineering Zhengzhou UniversityZhengzhou 450001China

Sodium-carbon dioxide(Na-CO_(2))batteries are regarded as promising energy storage technologies because of their impressive theoretical energy density and CO_(2)reutilization,but their practical applications are restricted by uncontrollable sodium dendrite growth and poor electrochemical kinetics of CO_(2)*** suitable multifunctional electrodes for dendritefree anodes and kinetics-enhanced CO_(2)cathodes is considered one of the most important ways to advance the practical application of Na-CO_(2)***,RuO2 nanoparticles encapsulated in carbon paper(RuCp)are rationally designed and employed as both Na anode host and CO_(2)cathode in Na-CO_(2)*** outstanding sodiophilicity and high catalytic activity of RuCp electrodes can simultaneously contribute to homogenous Na+distribution and dendrite-free sodium structure at the anode,as well as strengthen discharge and charge kinetics at the *** morphological evolution confirmed the uniform deposition of Na on RuCp anode with dense and flat interfaces,delivering enhanced Coulombic efficiency of 99.5%and cycling stability near 1500 ***,Na-CO_(2)batteries with RuCp cathode demonstrated excellent cycling stability(>350 cycles).Significantly,implementation of a dendrite-free RuCp@Na anode and catalytic-site-rich RuCp cathode allowed for the construction of a symmetric Na-CO_(2)battery with long-duration cyclability,offering inspiration for extensive practical uses of Na-CO_(2)batteries.

关键词： CO_(2)cathode dendrite free electrocatalysis Na metal anode symmetric CO_(2)batteries

Turning Trash into Treasure: Developing an Intelligent Bin for plastic Bottle Recycling

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Journal of Social Computing 2024年第1期5卷 1-14页

作者： Sirajam Munira Niloy paul Md Ashraful Alam Md.Mahmudur Rahman M.Shamim kaiser Institute of Information Technology Jahangirnagar UniversityDhaka 1342Bangladesh

plastic pollution has emerged as a major global concern due to its enduring nature and limited recycling *** response to this critical challenge,this paper presents a novel approach utilizing a Detection-Based Reward System(DBRS)alongside an innovative business model to promote effective plastic waste management,reduce plastic waste accumulation in the nature,and uphold environmental *** the YOLOv5 algorithm for its exceptional accuracy,speed,and open-source availability,plastic bottle detection becomes a pivotal aspect of this *** seamlessly enroll in the system,triggering an automated detection process that computes reward points corresponding to their deposited plastic *** reward points are meticulously stored within a centralized *** its operational facets,this comprehensive system encompasses a robust business model,strategically poised to capture widespread engagement with waste disposal practices,thereby contributing to the realization of Sustainable Development Goals(SDGs)geared towards fostering a healthier ***,the DBRS attains cutting-edge performance in plastic bottle detection,boasting an impressive mean Average precision(mAp)of 0.973,underscoring its efficacy in tackling plastic pollution.

关键词： smart environment reward system YOLOv5 deep learning business model

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玻璃体内曲安奈德注射后假定无菌性眼内炎

世界核心医学期刊文摘（眼科学分册） 2005年第6期1卷 58-58页

作者： Moshfeghi D.M. kaiser p.k. Bakri S.J. 程燕 1225 Crane St. Menlo Park CA 94025 United States

BACkGROUND AND OBJECTIVE: To report acute postoperative, presumed sterile endophthalmitis following intravitreal injection of triamcinolone acetonide (IVTA). pATIENTS AND METHODS: Retrospective, interventional, multicenter study of patients with acute sterile endophthalmitis following IVTA injection. RESULTS: A total of 922 IVTA injections were performed. Eight eyes of 8 patients with presumed sterile endophthalmitis were identified. The incidence of endophthalmitis was 0.87% (95% confidence interval, 0.38% to 1.70% ). Median time to presentation was 1.5 days (range, 1 to 7 days). Median presenting visual acuity was 20/563 (range, 20/80 to light perception). Initial treatment included vitreous tap and injection of antibiotics (n=4), pars plana vitrectomy and injection of intravitreal antibiotics (n=2), or systemic treatment alone with oral levofloxacin (n=2). Six of 6 intraocular cultures were sterile. Median follow-up was 5.9 months (range,4 to 9 months) with a median visual acuity at last follow-up of 20/75 (range, 20/40 to counting fingers). CONCLUSIONS: Acute presumed sterile endophthalmitis following IVTA injection presents early in the postoperative period. Visual outcomes are generally good.

关键词：无菌性眼内炎干预性初始治疗穿刺抽吸存在假定

An operational approach to ground control in deep mines

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Journal of Rock Mechanics and Geotechnical Engineering 2022年第1期14卷 67-81页

作者： A.Moss p.k.kaiser Sonal Mining Technology Inc. 2488 Shadbolt LaneWest VancouverBCV7S 3J1Canada Laurentian University SudburyONP3E 2C6Canada Geok Inc. 680 Ramsey Lake RoadSudburyONP3E 6H5Canada

As mines go deeper and get larger,mine designs become more fragile largely due to the response of the rock mass to *** control and rock support become important levers in the mine construction schedule,production performance,and excavation *** example,in cave mines,the production footprint together with associated mine infrastructure are significant investments in a modern caving *** investment must be protected and maintained to reduce the risk of ground-related production *** is necessary to preserve the health of these excavations and their maintenance through an effective rock support *** support thus becomes a strategic element in asset *** article focuses on support design for brittle ground when displacements induced by stress-fracturing consume much of the support’s *** deals with the functionality of the support in deforming *** interlinked concepts are important when assessing excavation *** must not only account for load equilibrium but also for deformation compatibility and capacity *** importantly,the support’s displacement capacity is being consumed when the rock mass is deformed after support ***,it is necessary to design for the support capacity remaining at the time when the support is *** support capacity can be consumed,it can also be restored by means of preventive support maintenance(pSM).This concept for cost-effective ground control is introduced and illustrated on operational ***,how design can impact construction costs and schedule are *** is installed to provide a safe environment and preserve an operationally functional *** also must assure senior management that investments in high quality support and its maintenance will substantially reduce delays and with it,*** is demonstrated that the use of‘gabion-like’support systems can achieve these goals.A technical summary of th

关键词： Ground control Rock support Deformation-based support design(DBSD) Gabion panel Deep mining Support consumption preventive support maintenance(pSM) Asset management

Deformation-based support design for highly stressed ground with a focus on rockburst damage mitigation

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Journal of Rock Mechanics and Geotechnical Engineering 2022年第1期14卷 50-66页

作者： p.k.kaiser A.Moss Laurentian University SudburyONP3E 2C6Canada Geok Inc.680 Ramsey Lake Road SudburyONP3E 6H5Canada Sonal Mining Technology Inc. 2488 Shadbolt LaneWest VancouverBCV7S 3J1Canada

As mines go deeper,mine designs become more fragile and effective rock support becomes a strategic element for ground control to facilitate timely construction and cost-effective access for uninterrupted *** article focuses on the design of integrated support systems for brittle ground when large displacements due to gradual bulking of stress-fractured rock or sudden violent bulking during rockbursts are induced by static and dynamic *** provides an overview of support design principles for a rational approach to ground control in deep mines when large deformations are anticipated near *** designs must not only account for load equilibrium but also for deformation *** importantly,the design approach must account for the fact that the support’s displacement capacity is being consumed as it is deformed after support *** is therefore necessary to design for the remnant support capacity,*** capacity remaining when the support is ***,if the support capacity can be consumed,it can also be restored by means of preventive support maintenance(pSM).The pSM concept for cost-effective ground control is introduced and illustrated by quantitative and operational *** to other design approaches,the deformation-based support design(DBSD)approach provides the capacity of an integrated support system as a function of imposed *** in this support capacity due to mininginduced deformation renders excavations increasingly more vulnerable if located within the influence of active mining and seismic *** deformation measurements are robust indicators of the decay in support capacity,scanning and other displacement monitoring technologies enable measurements to verify the DBSD approach,to assess the remnant safety margin of the deformed support,and to make operational support maintenance decisions.

关键词： Deep mining Deformation-based support design(DBSD) Cost-effective support Support consumption preventive support maintenance(pSM)

Strength of massive to moderately jointed hard rock masses

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Journal of Rock Mechanics and Geotechnical Engineering 2019年第3期11卷 562-575页

作者： R.p.Bewick p.k.kaiser F.Amann Golder Associates Ltd. 33 Mackenzie StreetSudburyOntarioP3C 4Y1Canada Laurentian University 935 Ramsey Lake RdSudburyP3E 2C6Canada RWTH Aachen Lochnerstrasse Aachen4-20D-52064Germany

The Hoek-Brown (HB) failure criterion and the geological strength index (GSI) were developed for the estimation of rock mass strength in jointed and blocky ground where rock mass failure is dominated by sliding along open joints and rotation of rock blocks. In massive, veined and moderately jointed rock in which rock blocks cannot form without failure of intact rock, the approach to obtain HB parameters must be modified. Typical situations when these modifications are required include the design of pillars, excavation and cavern stability, strainburst potential assessment, and tunnel support in deep underground conditions (around σ1/σci > 0.15, where σ1 is the major principal compressive stress and σci is the unconfined compressive strength of the homogeneous rock) in hard brittle rocks with GSI ≥ 65. In this article, the strength of massive to moderately jointed hard rock masses is investigated, and an approach is presented to estimate the rock mass strength envelope using laboratory data from uniaxial and triaxial compressive strength tests without reliance on the HB-GSI equations. The data from tests on specimens obtained from massive to moderately jointed heterogeneous (veined) rock masses are used to obtain the rock and rock mass strengths at confining stress ranges that are relevant for deep tunnelling and mining;and a methodology is presented for this purpose from laboratory data alone. By directly obtaining the equivalent HB rock mass strength envelope for massive to moderately jointed rock from laboratory tests, the HB-GSI rock mass strength estimation approach is complemented for conditions where the GSIequations are not applicable. Guidance is also provided on how to apply the proposed approach when laboratory test data are not or not yet available.

关键词： Brittle rock Uniaxial compressive strength(UCS) Geological strength index(GSI) Massive to moderately jointed rock masses

Influence of degree of interlock on confined strength of jointed hard rock masses

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Journal of Rock Mechanics and Geotechnical Engineering 2020年第6期12卷 1152-1170页

作者： Navid Bahrani peter k.kaiser a Department of Civil and Resource Engineering Dalhousie UniversityHalifaxNova ScotiaCanada b Bharti School of Engineering Laurentian UniversitySudburyOntarioCanada

The strength of jointed rock mass is strongly controlled by the degree of interlock between its constituent rock *** degree of interlock constrains the kinematic freedom of individual rock blocks to rotate and slide along the block forming *** HoekeBrown(HB)failure criterion and the geological strength index(GSI)were developed based on experiences from mine slopes and tunneling projects in moderately to poorly interlocked jointed rock *** has since then been demonstrated that the approach to estimate the HB strength parameters based on the GSI strength scaling equations(called the‘GSI strength equations’)tends to underestimate the confined peak strength of highly interlocked jointed rock masses(***>65),where the rock mass is often non-persistently jointed,and the intact rock blocks are strong and *** estimation of the confined strength of such rock masses is relevant when designing mine pillars and abutments at great depths,where the confining pressure is high enough to prevent block rotation and free sliding on block *** this article,a grain-based distinct element modeling approach is used to simulate jointed rock masses of various degrees of interlock and to investigate the influences of block shape,joint persistence and joint surface condition on the confined peak *** focus is on non-persistently jointed and blocky(persistently jointed)rock masses,consisting of hard and homogeneous rock blocks devoid of any strength degrading defects such as *** results from this investigation confirm that the GSI strength equations underestimate the confined strength of highly interlocked and non-persistently jointed rock ***,the GSI strength equations are found to be valid to estimate the confined strength of persistently jointed rock masses with smooth and non-dilatant joint surfaces.

关键词： Rock mass strength Degree of interlock Non-persistently jointed rock mass Blocky rock mass Geological strength index(GSI) GSI strength equations