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| 1 | Productivity analysis of horizontal wells intercepted by multiple finite-conductivity fractures显示文摘Horizontal wells in the anisotropic reservoirs can be stimulated by hydraulic fracturing in order to create multiple finite-conductivity vertical fractures. Several methods for evaluating the productivity of the horizontal wells have been presented in the literature. With such methods, however, it is still difficult to obtain an accurate result. This paper firstly presents the dimensionless conductivity theory of vertical fractures. Then models for calculating the equivalent wellbore radius and the skin factor due to flow convergence to the well bore are proposed after analyzing the steady-state flow in porous reservoirs. By applying the superposition principle to the pressure drop, a new method for evaluating the productivity of horizontal wells intercepted by multiple finite-conductivity fractures is developed. The influence of fracture conductivity and fracture half length on the horizontal well productivity is quantitatively analyzed with a synthetic case. Optimum fracture number and fracture space are further discussed in this study. The results prove that the method outlined here should be useful to design optimum fracturing of horizontal wells. | Wang Xiaodong Li Guanghe Wang Fei | 2010 | Petroleum Science2010，7，3： | 7 |
| 2 | A fully automatic registration approach based on contour and SIFT for HJ-1 images显示文摘To achieve a fully automatic registration between HJ-1 CCD images and HJ-1 infrared images is a difficult task as it must deal with the varying illuminations and resolutions of the images,different perspectives,and the local deformations within the images.In this paper,aimed at those registration issues,a fully automatic registration approach based on contour and SIFT is proposed.The registration technique performs a pre-registration process using contour feature matching algorithm that decides the overlapping region between a reference image and an input image.Once the coarse regions are obtained,it performs a fine registration process based on SIFT detector and a local adaptive matching strategy.In the fine registration process,image blocking theory is used,which not only speeds up the features extraction and matching,but also makes the matching point pairs distributed uniformly in images,and further improves the accuracy of input image rectification.Experiments with visible images and infrared images from HJ-1A/B demonstrate the efficiency and the accuracy of the proposed technique for multisource remote sensing images registration. | NI XiLiang CAO ChunXiang DING Lin JIANG Tao ZHANG Hao JIA HuiCong LI GuangHe ZHAO Jian CHEN Wei JI Wei XU Min GAO MengXu ZHENG Sheng TIAN Rong LIU Cheng LI Sha | 2012 | Science China Earth Sciences2012，55，10： | 5 |
| 3 | Environmental changes during modern period from the record of Gaoyou Lake sediments, Jiangsu显示文摘基于从高伊奥·莱克拿的核心的参数的分析,包括磁性的危险性,谷物尺寸特征和沉积的率,环境变化与历史的记录和高伊奥·莱克水水平材料的帮助在现代时期期间被检验。在现代时期期间,磁性的危险性和一种更低的沉积谷物尺寸的更高的价值与湿气候与一致,这被结束,当磁性的危险性和一种更高的谷物尺寸的更低的价值与干燥气候是相关的时。结果显示在到 2003AD 的从 1880 的 123 年时期的气候能被划分成四个阶段:二个低水水平阶段(1880 鈥 ? 915AD, 1948 鈥 ? 981AD ) 并且二个高水位线水平阶段(1915 鈥 ? 948AD, 1981 鈥 ? 003AD ) 。看来,地区性的气候通常在 30 年的周期经历了一个 dry-wet-dry-wet 模式。目前,它在一个湿时期的结束,因此地区性的气候被期望在不久的将来变得干燥。这个结论在 Gaoyou 区域的历史的文学与气候记录相应,并且它也在诺思江苏区域与气候的变化匹配。 | LI Shuheng FU Guanghe GUO Wei HE Huachun ZHANG Zhenke | 2007 | Journal of Geographical Sciences2007，17，1： | 5 |
| 4 | China released the Action Plan on Prevention and Control of Soil Pollution显示文摘 | Fang Zhang Guanghe Li | 2016 | Frontiers of Environmental Science & Engineering2016，10，4： | 3 |
| 5 | Relationships between loading rates and nitrogen removal effectiveness in subsurface flow constructed wetlands显示文摘Nitrogen removal of wetlands under 40 differ-ent inflow loadings were studied in the field during 15months. The removal efficiency of four different sets ofbeds, namely the reed bed, the Zizania caduciflor bed, themixing planting bed, and the control bed were studied.The outflow loading and total nitrogen (TN) removal rateof these beds under different inflow loadings and pollutionloadings were investigated. The inflow loadings of 4 sub-surface flow systems (SFS) ranged from 400 to 8000 mg·(m^(2) ·d) 21 , while outflow loadings were less than 7000 mg·(m^(2) ·d) 21 . The results showed that the inflow and outflowloading of TN removal rate in SFS presented an obviouslinear relationship. The optical inflow loading to run thesystem was between 2000 to 4000 mg·(m^(2) ·d) 21 . Averageremoval rate was between 1062 and 2007 mg·(m^(2) ·d) 21 .SFS with plant had a better removal rate than the control.TN removal rates of the reed and Zizania caduciflora bedwere 63% and 27% higher than the control bed,respectively. The results regarding the TN absorption ofplants indicated that the absorption amount was verylimited, less than 5% of the total removal. It proved thatplants clearly increase TN removal rates by improving thewater flow, andincreasingthe biomass, as wellas activitiesof microorganisms around the roots. The researchprovided a perspective for understanding the TN removalmechanism and design for SFS. | Rongshe ZHANG Guanghe LI Qi ZHOU Xu ZHANG | 2008 | Frontiers of Environmental Science & Engineering2008，2，1： | 2 |
| 6 | Microbial community and functional genes in the rhizosphere of alfalfa in crude oil-contaminated soil显示文摘与粗略的污染油的土壤构造的一个 rhizobox 系统与苜蓿(Medicago sativa L.) 被生长在土壤上评估根围效果,并且探索工厂在土壤由提高原油的移动的潜在的机制微生物引起的人口和功能的结构。在 80 天的实验期间, 31.6% 油从邻近的根围(AR ) 被移开;这价值是 27% , 53%higher 分别地从远根围(FR ) 并且从非根围(NR ) 比油的百分比搬迁了。不是自养的细菌和降级烃的细菌的人口比在 NR 在 AR 和 FR 是更高的。然而,原油的移动率断然在根围与降级烃的细菌的比例被相关。总共, 796, 731,和 379 功能的基因被 microarray 分别地在 AR, FR,和 NR 检测。与碳降级和器官的补习有关的功能的基因的更高的比例,与 NR 土壤相比在根围土壤被发现,建议根围有选择地增加了许多这些特定的功能的基因。保持水的能力的增加和在土壤的 pH 以及咸度的减少都跟随了 AR 的顺序 > FR > NR。正规部件分析证明那咸度是在根围影响微生物引起的功能的结构的最重要的环境因素,那咸度否定地与许多碳和器官的降级基因被相关。 | YiZHONG Jian WANG Yizhi SONG Yuting LIANG Guanghe LI | 2012 | Frontiers of Environmental Science & Engineering2012，6，6： | 2 |
| 7 | A four-stage constructed wetland system for treating polluted water from an urban river显示文摘 | Jia Haifeng Sun Zhaoxia Li Guanghe | 2014 | Ecological Engineering2014，71，： | 1 |
| 8 | Detailed characterization of polar compounds of residual oil in contaminated soil revealed by Fourier transform ion cyclotron resonance mass spectrometry显示文摘 | Jian Wang Xu Zhang Guanghe Li | 2011 | Chemosphere2011，，4： | 1 |
| 9 | Stability of inner dump slope under coal pillar support:case study in an open‑pit coal mine显示文摘The stability of an inner dump slope was investigated under the efect of coal pillar support considering the development position of dumping.Based on the instability mechanism and load distribution characteristics of the supporting coal pillar,the three-dimensional mechanical efects of the supporting coal pillar are characterized.Using the two-dimensional equivalent principle and the residual thrust method,the stability of the inner dump slope was analyzed under the efect of pillar support at diferent dump development positions.The quantitative efects of various factors on the inner dump slope stability were revealed,and the coal pillar shape parameters were optimized through numerical simulations.The results indicate that the slope stability coefcient is linearly related to the top width and height of the coal pillar,slope angle,and base inclination angle,and has an exponential relation with the coal pillar strike length and slope height increment.There are quadratic and absolute value relations with the coal pillar outer and the inner bottom angle,respectively.The top width of the coal pillar in the inner dump of Shengli East No.2 open-pit coal mine should be at a level of+824 m,and the optimal top width and height are 15 and 36.7 m,respectively.The instability mechanism of the supporting and retaining coal pillar obtained by numerical simulations and the stability of the inner dump are in good agreement with the theoretical analysis.Our results provide a theoretical basis for the design,treatment,and safe implementation of similar open-pit mine slope engineering. | Guanghe Li Xiaoxu Yang Dong Wang Yanting Wang Xiangyu Yu | 2022 | International Journal of Coal Science & Technology2022，9，2： | 1 |
| 10 | In situ remediation of petroleum compounds in groundwater aquifer with chlorine dioxide显示文摘 | Zhu Kun Chen Hui Li Guanghe Liu Zhaochang | 1997 | Water Research1997，，5： | 1 |
| 11 | Analyses of maize em- bryo invasion by Sugarcane mosaic virus 显示文摘 | Li Li Wang Xifeng Zhou Guanghe | 2007 | Plant Science2007，172，： | 1 |
| 12 | The effect of texture and irrigation on the soil moisture vertical-temporal variability in an urban artificial landscape: a case study of Olympic Forest Park in Beijing显示文摘在自然风景的土壤潮湿可变性广泛地被学习了;然而,更少的注意关于质地层化和灌溉管理的可能的影响在城市的风景对它的可变性被给予了。因此,案例研究在北京奥林匹克森林派克里被执行连续地从 4 月 26 日在三典型侧面监视土壤到 2010 年 11 月 11 日。质地层化显著地在潮湿在领域能力下面主要的非灌溉的侧面影响了潮湿的垂直分发。在灌溉是足够的在领域能力上面维持潮湿的侧面,导致的严肃流动与深度增加了潮湿并且因此消除了质地的影响。在非灌溉的地点,上面的层(在 80 厘米上面) 有接近的时间规模的展出长期的潮湿坚持平均降雨间隔。然而,粗糙粗糙的层削弱了降雨的影响,并且罚款粗糙的层削弱了土壤水分蒸发蒸腾损失总量的影响,哪个在更深的层导致了随机的像噪音的潮湿系列。在灌溉地点,经常的灌溉在上面的层抵销土壤水分蒸发蒸腾损失总量的影响(在 60 厘米上面) 并且遮蔽在更深的层的降雨的影响。作为结果,在上面的层的潮湿水平也作为一个随机的像噪音的系列表现了;而由于深蒸发,深层的潮湿比一个月长有坚持时间规模,与深作出对有利的裁决的典型时间规模一致蒸发。 | Xiaofeng ZHANG Xu ZHANG Guanghe LI | 2015 | Frontiers of Environmental Science & Engineering2015，9，2： | 1 |
| 13 | A four-stage constructed wetland system for treating polluted water from an urban river显示文摘 | Haifeng Jia Zhaoxia Sun Guanghe Li | 2014 | Ecological Engineering2014，，： | 1 |
| 14 | Microarray-based functional gene analysis of soil microbial communities during ozonation and biodegradation of crude oil显示文摘 | Yuting Liang Joy D. Van Nostrand Jian Wang Xu Zhang Jizhong Zhou Guanghe Li | 2008 | Chemosphere2008，，2： | 1 |
| 15 | Mercury emiss- ion and speciation of coal-fired power plants in China 显示文摘 | Wang Shuxiao Zhang Lei Li Guanghe | 2010 | Atmospheric Chemistry and Physics2010，10，： | 1 |
| 16 | In-situ remediation of petroleum compounds in groundwater aquifer with chlorine dioxide 显示文摘 | Zhu kun Chen hui Li Guanghe | 1998 | Water Research1998，32，5： | 1 |
| 17 | Ecological Barrier Deterioration Driven by Human Activities Poses Fatal Threats to Public Health due to Emerging Infectious Diseases显示文摘The coronavirus disease 2019(COVID-19)and concerns about several other pandemics in the 21st century have attracted extensive global attention.These emerging infectious diseases threaten global public health and raise urgent studies on unraveling the underlying mechanisms of their transmission from animals to humans.Although numerous works have intensively discussed the cross-species and endemic barriers to the occurrence and spread of emerging infectious diseases,both types of barriers play synergistic roles in wildlife habitats.Thus far,there is still a lack of a complete understanding of viral diffusion,migration,and transmission in ecosystems from a macro perspective.In this review,we conceptualize the ecological barrier that represents the combined effects of cross-species and endemic barriers for either the natural or intermediate hosts of viruses.We comprehensively discuss the key influential factors affecting the ecological barrier against viral transmission from virus hosts in their natural habitats into human society,including transmission routes,contact probability,contact frequency,and viral characteristics.Considering the significant impacts of human activities and global industrialization on the strength of the ecological barrier,ecological barrier deterioration driven by human activities is critically analyzed for potential mechanisms.Global climate change can trigger and expand the range of emerging infectious diseases,and human disturbances promote higher contact frequency and greater transmission possibility.In addition,globalization drives more transmission routes and produces new high-risk regions in city areas.This review aims to provide a new concept for and comprehensive evidence of the ecological barrier blocking the transmission and spread of emerging infectious diseases.It also offers new insights into potential strategies to protect the ecological barrier and reduce the wide-ranging risks of emerging infectious diseases to public health. | Dayi Zhang Yunfeng Yang Miao Li Yun Lu Yi Liu Jingkun Jiang Ruiping Liu Jianguo Liu Xia Huang Guanghe Li Jiuhui Qu | 2022 | Engineering2022，8，3： | 0 |
| 18 | Study on Antibacterial Activity of 2-Methyl-3-(methylthio)Pyrazine Against Three Strains of Spoilage Bacteria显示文摘Previous studies have shown that glycine and proline are pharmacophores that display antibacterial activity.In the present study,glycine and proline were derivated to diketopiperazine compounds by chemical synthesis method,and their antibacterial activities were evaluated by three strains of spoilage bacteria,Escherichia coli,Pseudomonas aeruginosa and Shewanella putrefaciens,and the relationship of their antibacterial activities and structures was also investigated.Uv-vis spectrophotometry was used to determine the growth curves of three kinds of active indicator bacteria.Minimum inhibitory concentration(MIC)was determined by micro broth dilution method.The results showed that 2-methyl-3-(methylthio)pyrazine had significant antibacterial activity against three strains of the bacteria,and its MIC was 1.25%.It indicates 2-methyl-3-(methylthio)pyrazine has the potential to be developed as a kind of preservative in future. | Kun LI Guanghe ZHU Danning FU Lele LI | 2024 | Agricultural Biotechnology2024，13，1： | 0 |
| 19 | Different response of bacterial community to the changes of nutrients and pollutants in sediments from an urban river network显示文摘Microbial communities in sediment are an important indicator linking to environmental pollution in urban river systems.However,how the diversity and structure of bacterial communities in sediments from an urban river network respond to different environmental factors has not been well studied.The goal of this study was to understand the patterns of bacterial communities in sediments from a highly dense urbanized river network in the lower Yangtze River Delta by Illumina MiSeq sequencing.The correlations between bacterial communities,the environmental gradient and geographical distance were analyzed by redundancy analysis(RDA)and network methods.The diversity and richness of bacterial community in sediments increased from upstream to downstream consistently with the accumulation of nutrient in the urban river network.Bacterial community composition and structure showed obvious spatial changes,leading to two distinct groups,which were significantly related to the characteristics of nutrient and heavy metal in sediments.Humic substance,available nitrogen,available phosphorus,Zn,Cu,Hg and As were selected as the key environmental factors shaping the bacterial community in sediments based on RDA.The co-occurrence patterns of bacterial networks showed that positive interaction between bacterial communities increased but the connectivity among bacterial genera and stability of sediment ecosystem reduced under a higher content of nutrient and heavy metal in average.The sensitive and ubiquitous taxa with an overproportional response to key environmental factors were detected as indicator species,which provided a novel method for the prediction of the pollution risk of sediment in an urban river network. | Fang Zhang Hao Zhang Ying Yuan Dun Liu Chenyu Zhu Di Zheng Guanghe Li Yuquan Wei Dan Sun | 2020 | Frontiers of Environmental Science & Engineering2020，14，2： | 0 |
| 20 | Construction of Platform-based Business Ecosystem显示文摘As the core and foundation of the business ecosystem,the platform determines its structure and operation mode.The research on platform strategy and business ecosystem is receiving more and more attention from all walks of life.This paper first provided the concept of a platform-based business ecosystem.Then,on the basis of the platform's'control mode'and'position on the industry chain,it designed four types of construction modes of business ecosystem:open participation,open technology,close symbiosis and channel control.In addition,combined with typical cases,it discussed the structure and operating characteristics of each type of business ecosystem.Finally,it analyzed weak points of this study and made some prospects for future study. | Guanghe HAN Siqi LI Jiayu ZHOU | 2020 | Asian Agricultural Research2020，12，6： | 0 |
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