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Jurassic Amber in Lebanon

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Acta geologica Sinica(English Edition) 2010年第4期84卷 977-983页

作者： Dany AZAR raymond gEZE Antoine EL-SAMRANI Jacaueline MAALOULY André NEL Department of Natural Sciences Faculty of Sciences ⅡLebanese UniversityFanarLebanon Museum National d'Histoire Naturelle ParisFrance

Reports of amber predating the Lower Cretaceous are unusual and scarce; they mostly refer to amber pieces of millimetric dimension. In the present study, we report the discovery of 10 new outcrops of Jurassic amber in Lebanon. Some of these had large centimetric-sized pieces of amber. The new localities are described, amber is characterized, and its infrared spectra given. Although the new Jurassic amber yielded to date no more than fungal inclusions, this material is significant and promising. The discovery, of several Jurassic outcrops provides crucial information on the prevailing paleoenvironment of that time.

关键词： amber Lebanon Late Jurassic Kimmeridgian infrared spectrum

An eigenvalue-based immunization scheme for node attacks in networks with uncertainty

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Science China(Information Sciences) 2020年第3期63卷 226-233页

作者： Yizhi REN Mengjin JIANg Ting WU Ye YAO Kim-Kwang raymond CHOO Zhen WANg School of Cyberspace Hangzhou Dianzi University School of Computer Science and Technology Hangzhou Dianzi University Department of Information Systems and Cyber Security The University of Texas at San Antonio

Dear editor,Controlling the propagation through immunization has applications in a number of fields [1]. A key facilitator for malware and attacks dissemination is the interconnectivity between networks,systems and devices. Therefore, our essential is to ‘break’ the interconnectivity structure of networks through immunized nodes, in order to make the remaining networks more resilient to external attacks [2]. An increasingly large number of

关键词： simulation An eigenvalue-based immunization scheme for node attacks in networks with uncertainty ABM

Indocyanine green fluoroscopy and liver transplantation:a new technique for the intraoperative assessment of bile duct vascularization

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Hepatobiliary & pancreatic Diseases International 2017年第4期16卷 440-442页

作者： Laurent Coubeau Julie Frezin Romain Dehon Jan Lerut raymond Reding Starzl Unit Abdominal Transplantation Department of Abdominal and Transplantation SurgeryCliniques Universitaires Saint LucUniversitécatholique Louvain(UCL)BrusselsBelgium pathology Unit Cliniques Universitaires Saint LucUniversitécatholique Louvain(UCL)BrusselsBelgium

To the Editor:Biliary tract complications remain the Achilles’heel of liver transplantation（LT）;and the transplant commu nity is exploring ways of tackling this problem.A well vascularized bile duct is a prerequisi... 详细信息

关键词： ICg by is it from of for

Triggering,clicking,locking and crepitus of the finger:A comprehensive overview

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World Journal of Orthopedics 2023年第10期14卷 733-740页

作者： pieter W Jordaan raymond Klumpp Marco Zeppieri Department of Orthopaedic Garden Route Hand UnitGeorge 6530South Africa UOC Ortopedia e Traumatologia Ospedale Treviglio-Caravaggio ASSTBergamo Ovest 24047Italy Department of Ophthalmology University Hospital of UdineUdine 33100Italy

Triggering,locking,clicking,and crepitus of the fingers are common symptoms patients present *** though crepitus and triggering can occur as part of the same underlying diagnosis,it is important to differentiate between them,as they usually indicate different possible *** differential diagnoses that should be considered include trigger finger,metacarpophalangeal joint(MCpJ)arthritis,fractures or dislocations,extensor digitorum communis subluxation or dislocation,locked MCpJ,avascular necrosis of the metacarpal head,and Dupuytren’s disease.A thorough clinical examination with appropriate special investigations can permit the clinician to make the correct *** management of a confirmed diagnosis is successful in providing symptomatic improvement.

关键词： Trigger finger Locking Crepitus Metacarpophalangeal joint Dislocation Differential diagnosis

Landslide disaster prevention and mitigation through works in Hong Kong

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Journal of Rock Mechanics and geotechnical Engineering 2013年第5期5卷 354-365页

作者： K.Y.Choi raymond W.M.Cheung geotechnical Engineering Offce Civil Engineering and Development Department The Government of the Hong Kong SAR

Hong Kong has a high concentration of developments on hilly terrain in close proximity to man-made slopes and natural *** of the high seasonal rainfall,these man-made slopes and natural hillsides would pose a risk to the public as manifested by a death toll of 470 people due to landslides since the late *** 1977,the government of the Hong Kong SAR embarked on a systematic programme,known as the Landslip preventive Measure(LpM)programme,to retroft substandard man-made *** 1977 to 2010,about 4500 substandard government man-made slopes have been upgraded through engineering *** the period,the programme had evolved progressively in response to government’s internal demand for continuous improvement and rising public expectation for slope *** 2010,the government implemented the Landslip prevention and Mitigation(LpMit)programme to dovetail with the LpM programme,with the focus on retroftting the remaining moderate-risk substandard man-made slopes and mitigating systematically the natural terrain landslide risk pursuant to the"react-to-known"hazard *** paper presents the evolution of the LpM and LpMit programmes as well as the insight on landslide prevention and mitigation through engineering works.

关键词： Landslide Landslide prevention Landslide mitigation Landslide risk Man-made slopes Natural terrain

Tracking market and non-traditional sources of risks in procyclical and countercyclical hedge fund strategies under extreme scenarios:a nonlinear VAR approach

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Financial Innovation 2022年第1期8卷 696-751页

作者： François-Éric Racicot raymond Théoret Telfer School of Management University of Ottawa55 Laurier Avenue EastOttawaONCanada IpAg Business School ParisFrance École des Sciences de la gestion Universitédu Québec(Montréal)315 est Ste-CatherineR2915MontréalQCCanada Chaire d’Information Financière et Organisationnelle ESG-UQAMMonntréalQuébecUniversitédu Québec(Outaouais)MontréalCanada

The subprime crisis was quite damaging for hedge *** the local projection method(Jordà2004,2005,2009),we forecast the dynamic responses of the betas of hedge fund strategies to macroeconomic and financial shocks—especially volatility and illiquidity shocks—over the subprime crisis in order to investigate their market timing *** a robustness check,using TVAR(Balke 2000),we simulate the reaction of hedge fund strategies’betas in extreme scenarios allowing moderate and strong adverse *** results show that the behavior of hedge fund strategies regarding the monitoring of systematic risk is highly nonlinear in extreme scenarios—especially during the subprime *** find that countercyclical strategies have an investment technology which differs from procyclical *** crises,the former seek to capture non-traditional risk premia by deliberately increasing their systematic risk while the later focus more on minimizing *** results suggest that the hedge fund strategies’betas respond more to illiquidity uncertainty than to illiquidity risk during *** find that illiquidity and VIX shocks are the major drivers of systemic risk in the hedge fund industry.

关键词： Hedge fund procyclicality Illiquidity risk shock Illiquidity uncertainty shock Local projection model TVAR Optimal forecast Measurement errors

Fluidization and bubbling behavior of potash particles in a deep fluidized bed

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particuology 2023年第9期80卷 103-114页

作者： Mojtaba Nabipoor Hassankiadeh Jingsi Yang Mark Berrey Dave Jordison Lifeng Zhang Donald Bergstrom raymond J.Spiteri Department of Chemical and Biological Engineering University of SaskatchewanSKS7N 5A9SaskatoonCanada The Mosaic Company Belle PlaineSKCanada Department of Mechanical Engineering University of SaskatchewanSaskatoonCanada Department of Computer Science University of SaskatchewanSaskatoonSKCanada

Most existing models for predicting bubble size and bubble frequency have been developed for freely bubbling fluidized *** prediction of bubbling behavior in deep fluidized beds,however,has been a challenge due to the higher degree of bubble coalescence and break up,high probability of the slugging regime,partial fluidization,and chaotic behavior in the bubbling *** this work,the bubbling and fluidization behavior of potash particles was investigated in a deep fluidized bed employing a twin-plane electrical capacitance tomography(ECT)*** volume fraction,average bubble velocity,average bubble diameter,and bubble frequency in both bubbling and slugging regimes were measured at two different bed height ratios(H/D=3.5 and H/D=3.78).This work is the first to illustrate a sequential view of bubbles at different superficial gas velocities in a fluidized *** results show that both the bubble diameter and rising velocity increased with increasing the superficial gas velocity for the two bed heights,with larger values observed in the deeper bed compared to the shallower *** values for bubble diameter,bubble rise velocity and bubble frequency from different models are compared with the experimental data obtained from the ECT system in this *** agreement has been achieved between the values predicted by the previous models and the experimental data for the bubble diameter and bubble rise velocity with an average absolute deviation of 16%and 15%for the bed height of 49 cm and 13%and 8%for the bed height of 53 cm,respectively.

关键词： Deep fluidized bed potash particle Electrical capacitance tomography Image reconstruction Bubbling and slugging regime

Electricity-driven ammonia oxidation and acetate production in microbial electrosynthesis systems

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Frontiers of Environmental Science & Engineering 2022年第4期16卷 27-36页

作者： Qinjun Liang Yu gao Zhigang Li Jiayi Cai Na Chu Wen Hao Yong Jiang raymond Jianxiong Zeng Fujian provincial Key Laboratory of Soil Environmental Health and Regulation College of Resources and EnvironmentFujian Agriculture and Forestry UniversityFuzhou 350002China State Key Joint Laboratory of Environment Simulation and pollution Control School of EnvironmentTsinghua UniversityBeijing 100084China

Microbial electrosynthesis(MES)is an emerging technology for producing chemicals,and coupling MES to anodic waste oxidation can simultaneously increase the competitiveness and allow additional functions to be *** this study,MES was used for the simultaneous removal of ammonia from synthetic urine and production of acetate from CO_(2).Using graphite anode,83.2%±5.3%ammonia removal and 28.4%±9.9%total nitrogen removal was achieved,with an energy consumption of 1.32 kWh/g N for total nitrogen removal,0.45 kWh/g N for ammonia nitrogen removal,and 0.044 kWh/g for acetate *** boron-doped diamond(BDD)anode,70.9%±12.1%ammonia removal and 51.5%±11.8%total nitrogen removal was obtained,with an energy consumption of 0.84 kWh/g N for total nitrogen removal,0.61 kWh/g N for ammonia nitrogen removal,and 0.043 kWh/g for acetate production.A difference in nitrate accumulation explained the difference of total nitrogen removal *** of ammonia and acetate across the membrane deteriorated the performance of *** results are important for the development of novel elcctricity-driven technologies for chemical production and pollution removal.

关键词： Biocathode Carbon dioxide Electrochemical oxidation graphite anode Boron-doped diamond

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行为矫正原理与方法第3版据原书第3版译出