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| 1 | Belowground carbon balance and carbon accumulation rate in the successional series of monsoon evergreen broad-leaved forest显示文摘The balance, accumulation rate and temporal dynamics of belowground carbon in the successional series of monsoon evergreen broadleaved forest are obtained in this paper, based on long-term observations to the soil organic matter, input and standing biomass of litter and coarse woody debris, and dissolved organic carbon carried in the hydrological process of subtropical climax forest ecosystem—monsoon evergreen broad-leaved forest, and its two successional forests of natural restoration—coniferous and broad-leaved mixed forest and Pinus massoniana forest, as well as data of root biomass obtained once every five years and respiration measurement of soil, litter and coarse woody debris respiration for 1 year. The major results include: the belowground carbon pools of monsoon evergreen broad-leaved forest, coniferous and broad-leaved mixed forest, and Pinus massoniana forest are 23191 ± 2538 g·m?2, 16889 ± 1936 g·m?2 and 12680 ± 1854 g·m?2, respec- tively, in 2002. Mean annual carbon accumulation rates of the three forest types during the 24a from 1978 to 2002 are 383 ± 97 g·m?2·a?1, 193 ± 85 g·m?2·a?1 and 213 ± 86 g·m?2·a?1, respectively. The belowground carbon pools in the three forest types keep increasing during the observation period, suggesting that belowground carbon pools are carbon sinks to the atmosphere. There are seasonal variations, namely, they are strong carbon sources from April to June, weak carbon sources from July to September; while they are strong carbon sinks from October to November, weak carbon sinks from December to March. | ZHOU Guoyi1, ZHOU Cunyu1, LIU Shuguang2, TANG Xuli1, OUYANG Xuejun1, ZHANG Deqiang1, LIU Shizhong1, LIU Juxiu1, YAN Junhua1, ZHOU Chuanyan1, LUO Yan1, GUAN Lili1 & LIU Yan1 1. Dinghushan Forest Ecosystem Research Station, Chinese Academy of Sciences, Guangzhou 510650, China 2. SAIC, EROS Data Center, U.S. Geological Survey, Sioux Falls, SD 57198, USA | 2006 | Science China Earth Sciences2006，49，3： | 36 |
| 2 | Strength evolution and deformation behaviour of cemented paste backfill at early ages: Effect of curing stress, filling strategy and drainage显示文摘In this study, a pressure cell apparatus is developed to investigate the early age evolution of the strength and deformation behaviour of cemented paste backfill(CPB) when subjected to various loading conditions under different curing scenarios. The different curing scenarios that are simulated include:(1)drained and undrained conditions,(2) different filling rates,(3) different filling sequences, and(4) different curing stresses. The findings show that drainage, curing stress, curing time and filling rate influence the mechanical and deformation behaviours of CPB materials. The coupled effects of consolidation, drainage and suction contribute to the strength development of drained CPB subjected to curing stress. On the other hand, particle rearrangement caused by the applied pressure and suction development due to self-desiccation plays a significant role in the strength gain of undrained CPB cured under stress.Furthermore, curing stress induces slightly faster rate of cement hydration, which can contribute to strength acquisition. | Ghirian Alireza Fall Mamadou | 2016 | International Journal of Mining Science and Technology2016，26，5： | 17 |
| 3 | 市政排涝自吸泵启动过程气液两相流动及压力脉动分析显示文摘为了探明自吸泵的自吸机理.以外混式自吸泵为研究对象,利用CFX仿真软件中的VOF(volume of fluid)两相流模型和k-ε湍流模型,并结合网格滑移技术进行自吸过程非稳态数值模拟,分析了不同时刻下泵内气液两相体积、液相速度、出口气体体积分数和压力的分布情况.同时改变非稳态模拟的时间步长及总时长,监测自吸过程叶轮及蜗壳内监测点的压力变化.结果表明:自吸泵的吸气与排气主要集中在启动过程的初期和中期,叶轮入口和泵出口的气体体积分数分别超过60%和75%;叶轮出口的气液混合带导致了叶轮出口到蜗壳内侧大片区域内的流动紊乱现象,降低了叶轮的做功能力,进而影响了泵的正常排气;叶轮监测点压力脉动幅值与距叶片工作面的大小有关,蜗壳内监测点压力脉动幅值与距叶轮外缘的大小有关. | 杨波 潘中永 Ibra FALL | 2020 | 江苏大学学报(自然科学版)2020，41，5： | 8 |
| 4 | OPTIMUM CHANNEL GEOMETRY AND MINIMUM ENERGY DISSIPATION RATE显示文摘The theory of minimum rate of energy dissipation in conjunction with Yang’s sediment transport equation and Manning’s equation for water discharge is used to derive the optimum open channel geometry. The optimum channel geometry thus derived is consistent with those based on the tractive force approach and is identical to those hosed on the least wetted perimeter for a given cross-sectional area with the maximum conveyance. laboratory and field data are used to support the theoretical analyses. | Chih Ted Yang and Charles C. S. Song International and Special Projects Coordinator, U. S. Bureau of Reclamation, Denyer, Colorado 80225, U. S. A. Professor, St. Anthony Falls Hydraulic Laboratory, University of Minnesota, MinneaPOlis, Minnesota 55414, U. S. A. | 1990 | International Journal of Sediment Research1990，5，1： | 5 |
| 5 | Chemically induced changes in the geotechnical response of cementing paste backfill in shaking table test显示文摘Cemented paste backfill(CPB)is extensively used for underground mine support and/or tailings management.However,CPB behavior under cyclic loadings might be affected by the chemistry of its porewater,which often contains sulphate ions.Till today,no studies have addressed the effect of sulphate on the response of CPB to cyclic loadings by using shaking table technique.This study presents new findings of assessing the effect of the sulphate in the pore water of CPB on its geotechnical response to cyclic loading by using shaking table.CPB mixtures were prepared(with and without sulphate),poured into a flexible laminar shear box,cured to 4 h,and then exposed to cyclic loading using one-dimensional(1D)shaking table.Several parameters(e.g.pore water pressure,settlement,lateral deformation,acceleration,electrical conductivity,effective stress,and liquefaction susceptibility)were monitored or determined before,during,and after shaking.Obtained results indicate that the sulphate-bearing CPB cured to 4 h can be prone to liquefaction under the studied conditions.However,sulphate-free CPB samples are resistant to liquefaction.These results are expected to contribute to a better understanding of the effect of water chemistry on the cyclic behavior of CPB,consequently enhancing the cost-effective design of CPB structures. | Imad Alainachi Mamadou Fall | 2021 | Journal of Rock Mechanics and Geotechnical Engineering2021，13，3： | 4 |
| 6 | Modeling the effect of sulphate on strength development of paste backfill and binder mixture optimization显示文摘 | M. Fall M. Benzaazoua | 2004 | Cement and Concrete Research2004，，2： | 2 |
| 7 | MODELING OF RIVER MORPHOLOGIC CHANGES显示文摘MODELINGOFRIVERMORPHOLOGICCHANGESCharlesC.S.SONG;YifanZHENG;andChihTedYANG(Professor,St.AnthonyFallsHydraulicLaboratory,Depar... | Charles C. S. SONG Yifan ZHENG and Chih Ted YANG( , St. Anthony Falls Hydraulic Laboratory, Department of Civil Engineering, University of Minnesota, Minneapolis MN 55414, U. S. A.)( Bechtel Corporation, formerly Reseaxch Assistant, St. Anthony Falls H | 1995 | International Journal of Sediment Research1995，10，2： | 2 |
| 8 | Review of the malaria epidemiology and trends in Zambia显示文摘A comprehensive desk review of malaria trends was conducted between 2000-2010 in Zambia to study malaria epidemiology and trends to guide strategies and approaches for effective malaria control.This review considered data from the National Health Information Management System,Malaria Surveys and Programme Review reports and analyzed malaria in-patient cases and deaths in relation to intervention coverage for all ages.Data showed three distinct epidemiological strata after a notable malaria reduction(66%)in in-patient cases and deaths,particularly between 2000-2008.These changes occurred following the(re-)introduction and expansion of indoor residual spraying up to 90%coverage,scale-up of coverage of long-lasting insecticidetreated nets in household from 50%to 70%,and artemisin-based combination therapy nationwide.However,malaria cases and deaths re-surged,increasing in 2009-2010 in the northern-eastern parts of Zambia.Delays in the disbursement of funds affected the implementation of interventions,which resulted in resurgence of cases and deaths.In spite of a decline in malaria disease burden over the past decade in Zambia,a reversal in impact is notable in the year 2009-2010,signifying that control gains are fragile and must be sustained toeliminate malaria. | Freddie Masaninga Emmanuel Chanda Pascalina Chanda-Kapata Busiku Hamainza Hieronymo T Masendu Mulakwa Kamuliwo Wambinji Kapelwa John Chimumbwa John Govere Mac Otten Ibrahima Soce Fall Olusegun Babaniyi | 2013 | Asian Pacific Journal of Tropical Biomedicine2013，3，2： | 2 |
| 9 | A column study of the hydro-mechanical behavior of mature fine tailings under atmospheric drying显示文摘In this paper, the hydro-mechanical behavior and physical properties of mature fine tailings(MFT) under atmospheric drying are investigated through a column study. In the study, evaporation takes place in the development of suction in the upper parts of the column and increasing suction leads to higher strength in the tailings. After 5 days, the suction in the first lift is around 17 k Pa in the upper part of the column.When a second lift is added, the first lift initially loses strength but over a 30 days' period, the strength is recovered to its prior value and suction in the second lift reaches 500 k Pa. The vane shear strength values show a substantial increase in the strength of the MFT after 30 days under atmospheric drying and drainage. The 90% strength found in the column exceeds the threshold(5 k Pa). The hydraulic-mechanical properties of the deposited tailings are closely coupled due to several mechanisms, such as evaporation,drainage, self-consolidation, suction and crack development. The findings of this study will provide a better understanding of the placement behavior of multiple lifts of MFT and thus contribute to reclamation design standards and reduce the use of dedicated disposal areas. | Anis Roshani Mamadou Fall Kevin Kennedy | 2017 | International Journal of Mining Science and Technology2017，27，2： | 2 |
| 10 | The standardisation of terminology in lower urinary tract function: report from the standardisation sub-committee of the International Continence Society显示文摘 | Paul Abrams Linda Cardozo Magnus Fall Derek Griffiths Peter Rosier Ulf Ulmsten Philip Van Kerrebroeck Arne Victor Alan Wein | 2003 | Urology2003，，1： | 2 |
| 11 | Geotechnical characterization of peat-based landfill cover materials显示文摘Natural methane(CH_4) oxidation that is carried out through the use of landfill covers(biocovers) is a promising method for reducing CH_4 emissions from landfills.Previous studies on peat-based landfill covers have mainly focused on their biochemical properties(e.g.CH_4 oxidation capacity).However,the utilization of peat as a cover material also requires a solid understanding of its geotechnical properties(thermal,hydraulic,and mechanical),which are critical to the performance of any biocover.Therefore,the objective of this context is to investigate and assess the geotechnical properties of peat-based cover materials(peat,peat-sand mixture),including compaction,consolidation,and hydraulic and thermal conductivities.The studied materials show high compressibility to the increase of vertical stress,with compression index(C_c) values ranging from 0.16 to 0.358.The compressibility is a function of sand content such that the peat-sand mixture(1:3) has the lowest C_c value.Both the thermal and hydraulic conductivities are functions of moisture content,dry density,and sand content.The hydraulic conductivity varies from 1.74 × 10^(-9) m/s to 7.35 × 10^(-9) m/s,and increases with the increase in sand content.The thermal conductivity of the studied samples varies between 0.54 W/(m K) and 1.41 W/(m K) and it increases with the increases in moisture and sand contents.Increases in sand content generally increase the mechanical behavior of peat-based covers;however,they also cause relatively high hydraulic and thermal conductivities which are not favored properties for biocovers. | Afshin Khoshand Mamadou Fall | 2016 | Journal of Rock Mechanics and Geotechnical Engineering2016，8，5： | 2 |
| 12 | Assessment of the modulated gradient model in decaying isotropic turbulence显示文摘A recently introduced nonlinear model undergoes evaluations based on two isotropic turbulent cases:a University of Wiscosion-Madison case at a moderate Reynolds number and a Johns Hopkins University case at a high Reynolds number.The model uses an estimation of the subgrid-scale(SGS) kinetic energy to model the magnitude of the SGS stress tensor,and uses the normalized velocity gradient tensor to model the structure of the SGS stress tensor.Testing is performed for the first case through a comparison between direct numerical simulation(DNS) results and large eddy simulation(LES) results regarding resolved kinetic energy and energy spectrum.In the second case,we examine the resolved kinetic energy,the energy spectrum,as well as other key statistics including the probability density functions of velocities and velocity gradients,the skewness factors,and the flatness factors.Simulations using the model are numerically stable,and results are satisfactorily compared with DNS results and consistent with statistical theories of turbulence. | Hao Lu a) Saint Anthony Falls Laboratory,Department of Civil Engineering,University of Minnesota-Twin Cities,2 3rd Ave.SE,Minneapolis,MN 55414,USA | 2011 | Theoretical & Applied Mechanics Letters2011，1，4： | 2 |
| 13 | The standardization of terminology of lower urinary tract function, report from the standardization sub-committee of the international continence society 显示文摘 | Abrams P Cardozo L Fall M | 2002 | Neurourol Urodyn2002，21，2： | 1 |
| 14 | Verbal Vulnerability of Perceptual Expertise显示文摘 | Schooled J W | 1995 | Journal of Experimental Psychology: Learning Memory and Cognition1995，21，： | 1 |
| 15 | Landscape Patternin Topographically Complex Landscape:Issues and Techniques for Analysis显示文摘 | Lertzmann K Fall J | 2002 | Landscape Ecology2002，17，： | 1 |
| 16 | The standardisation of terminology of lower urinary tract function:report from the Standardisation Sub-committee of the International Continence Society显示文摘 | Abrams P Cardozo L Fall M | 2002 | Neurourol Urodyn2002，21，2： | 1 |
| 17 | Design and analysis of trailing-edge flaps and servotabs for primary control 显示文摘 | Falls J Datta A Chopra I | 2010 | Journal of AHS2010，55，3： | 1 |
| 18 | Help- seeking in elementary classrooms: an observational study显示文摘 | Nelson-Le Fall S & Glor- Scheib S | 1985 | Contemporary Educational Psychology1985，10，： | 1 |
| 19 | Effect of high - energy mechabucal activation on the microstructure and electrical properties of ZnO- based varistors显示文摘 | Chong Phui Fall John Wang | 2000 | Solid State Ionics2000，132，： | 1 |
| 20 | Geographieal variation in re- lationships between parental body size and offspring pheno- type at birth显示文摘 | Leafy S Fall C Osmond C | 2006 | Acta Obstet Gynecol Scand2006，85，9： | 1 |
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