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    题名 作者 年代 出处 被引量
1Comparative Study on Rain Splash Erosion of Representative Soils in China显示文摘As the first event of soil erosion, rain splash erosion supplies materials for subsequent transportation and en-trainment. The Loess Plateau, the southern hilly region and the Northeast China are subject to serious soil and water loss; however, the characteristics of rain splash erosion in those regions are still unclear. The objectives of the study are to ana-lyze the characteristics of splash erosion on loess soil, red soil, purple soil and black soil, and to discuss the relationship between splash erosion and soil properties. Soil samples spatially distributed in the abovementioned regions were col-lected and underwent simulated rainfalls at a high intensity of 1.2mm/min, lasting for 5, 10, 15, and 20min, respectively. Rain splash and soil crust development were analyzed. It shows that black soil sample from Heilongjiang Province corre-sponds to the minimum splash erosion amount because it has high aggregate content, aggregate stability and organic mat-ter content. Loess soil sample from Inner Mongolia corresponds to the maximum splash erosion amount because it has high content of sand particles. Loess soil sample from Shanxi Province has relatively lower splash erosion amount be-cause it has high silt particle content and low aggregate stability easily to be disrupted under rainfalls with high intensity. Although aggregate contents of red soil and purple soil samples from Hubei and Guangdong provinces are high, the sta-bility is weak and prone to be disrupted, so the splash erosion amount is medium. Splash rate which fluctuates over time is observed because soil crust development follows a cycling processes of formation and disruption. In addition, there are two locations of soil crust development, one appears at the surface, and the other occurs at the subsurface.CHENG Qinjuan CAI Qiangguo MA Wenjun 2008Chinese Geographical Science2008,18,2:6
2SEDIMENT YIELD MODELING FOR SINGLE STORM EVENTS BASED ON HEAVY-DISCHARGE STAGE CHARACTERIZED BY STABLE SEDIMENT CONCENTRATION显示文摘The relation between runoff volume and sediment yield for individual events in a given watershed receives little attention compared to the relation between water discharge and sediment yield, though it may underlie the event-based sediment-yield model for large-size watershed. The data observed at 12 experimental subwatersheds in the Dalihe river watershed in hilly areas of Loess Plateau, North China, was selected to develop and validate the relation. The peak flow is often considered as an important factor affecting event sediment yield. However, in the study areas, sediment concentration remains relatively constant when water discharge exceeds a certain critical value, implying that the heavier flow is not accompanied with the higher sediment transport capacity. Hence, only the runoff volume factor was considered in the sediment-yield model. As both the total sediment and runoff discharge were largely produced during the heavy-discharge stage, and the sediment concentration was negligibly variable during this stage, a proportional function can be used to model the relation between event runoff volume and sediment yield for a given subwatershed. The applicability of this model at larger spatial scales was also discussed, and it was found that for the Yaoxinzhuang station at the Puhe River basin, which controls a drainage area of 2264km2, a directly proportional relation between event runoff volume and sediment yield may also exist.Mingguo ZHENG Qiangguo CAI Qinjuan CHENG 2007International Journal of Sediment Research2007,22,3:5
3Efficacy of Bismuth-Containing Quadruple Therapies for Clarithromycin-, Metronidazole-, and Fluoroquinolone-Resistant Helicobacter pylori Infections in a Prospective Study显示文摘Xiao Liang Xiaoqing Xu Qing Zheng Wei Zhang Qinjuan Sun Wenzhong Liu Shudong Xiao Hong Lu 2013Clinical Gastroenterology and Hepatology2013,,7:3
4An Analysis of 100 Cases of Obstructive Jaundice by CT Scans显示文摘AnAnalysisof100CasesofObstructiveJaundicebyCTScans¥HuangQinjuan,etal.ACTAACADEMIAEMEDICINAENANJING,1994,14(1):62-64Abstract:T...Huang Qinjuan,et al. ACTA ACADEMIAE MEDICINAE NANJING,1994,14(1):62-64 1994The Journal of Biomedical Research1994,18,1:2
5Research into a theoretical mode of coherent structures in the wall region of a turbulent boundary layer induced by a wall local disturbance显示文摘The idea of applying direct numerical simulation (DNS), a theoretical mode of coherent structures in the wall region of a turbulent boundary layer, has been discussed in the literature. The various aspects of the formation mechanism of the coherent structures agree well with both DNS and experimental results. In addition, a close relationship has been found between the evolutional characteristics and factors such as the magnitude and structural distribution of the wall local impulse disturbance, and the amount of energy a local disturbance introduces into the wall region. Moreover, these parameters play key roles in the formation of coherent structures near the wall region of a turbulent boundary layer. Therefore, the wall local impulse disturbance provides a theoretical model for triggering the formation of coherent structures in the wall region of a turbulent boundary layer.Changgen Lu Qinjuan Qi 2009Progress in Natural Science:Materials International2009,19,9:2
6Modelling lhe runoff-sediment yield relationship using a proportional function in hilly areas of the Loess Plateau, North China 显示文摘Zheng Mingguo Cai Qiangguo Cheng Qinjuan 2008Geomorphology2008,93,34:1
7Redox-active nanoparticles for inflammatory bowel disease显示文摘Homeostasis of gut microbiota is extremely essential for maintaining nutrient metabolism and regulating immunological function.The increasing evidence suggests that inflammatory bowel disease(IBD)is strongly associated with dysregulation of gut microbiota.During activated inflammation,excessive reactive oxygen species(ROS)and reactive nitrogen species(RNS)produced by inflammatory cells play a detrimental role in regulating IBD and gut microbiota.ROS/RNS cause damage to the surrounding tissues,including nutrient absorption disorders,intestinal dysmotility and barrier dysfunction.Meanwhile,ROS/RNS provide terminal electron receptors for anaerobic respiration and support the bloom of facultative anaerobes,eventually causing gut microbiota dysbiosis.Redox-active nanoparticles(NPs)with catalytic properties or enzyme-like activities can effectively scavenge ROS/RNS,and selectively target inflamed sites via ultrasmall size-mediated enhanced permeation and retention(EPR)effect,showing great potential to regulate IBD and maintain the homeostasis of gut microbiota.In addition,the widespread application of NPs in commercial products 1 has increased their accumulation in healthy organisms,and the biological effects on normal microbiota resulting from long-term exposure of NPs to gastrointestinal tract also need attention.Qinjuan Ren Si Sun Xiao-Dong Zhang 2021Nano Research2021,14,8:1
8Modelling the runoffsediment yield relationship using a proportional function in hilly areas of the Loess Plateau, North China 显示文摘Zheng Mingguo Cai Qiangguo Cheng Qinjuan 2008Geomorphology2008,93,34:1
9Effect of Fluoroquinolone Resistance on 14‐day Levofloxacin Triple and Triple Plus Bismuth Quadruple Therapy显示文摘Jingxian Liao Qing Zheng Xiao Liang Wei Zhang Qinjuan Sun Wenzhong Liu Shudong Xiao David Y. Graham Hong Lu 2013Helicobacter2013,,5:1
10Effect of casting technology on microstructure and phases of high carbon high speed steel显示文摘The as-cast microstructures of high carbon high speed steels(HC-HSS) made by sand casting,centrifugal casting and electromagnetic centrifugal casting,respectively,were studied by using of optical microscopy(OM) and D/max2200pc X-ray diffraction.The results show that the microstructure of as-cast HC-HSS is dominated by alloy carbides(W2C,VC,Cr7C3),martensite and austenite.The centrifugal casting and electromagnetic centrifugal casting apparently improve the solidification structure of HC-HSS.With the increase of magnetic intensity(B),the volume fraction of austenite in the HC-HSS solidification structure increases significantly while the eutectic ledeburite decreases.Moreover,the secondary carbides precipitated from the austenite are finer with more homogeneous distribution in the electromagnetic centrifugal castings.It has also been found that the lath of eutectic carbide in ledeburite becomes finer and carbide phase spacing in eutectic ledeburite increases along with the higher magnetic field strength.Zhang Tianming Wang Qinjuan Song Xuding Fu Hanguang 2011China Foundry2011,8,2:1
11Research on the Association of Mobile Social Network Users Privacy Information Based on Big Data Analysis显示文摘The issue of privacy protection for mobile social networks is a frontier topic in the field of social network applications.The existing researches on user privacy protection in mobile social network mainly focus on privacy preserving data publishing and access control.There is little research on the association of user privacy information,so it is not easy to design personalized privacy protection strategy,but also increase the complexity of user privacy settings.Therefore,this paper concentrates on the association of user privacy information taking big data analysis tools,so as to provide data support for personalized privacy protection strategy design.Pingshui Wang Zecheng Wang Qinjuan Ma 2019Journal of Information Hiding and Privacy Protection2019,1,1:1
12Modelling the runoff-sediment yield relationship using a proportional function in hilly areas of the Loess Plateau, North China显示文摘Zheng Mingguo Cai Qiangguo Cheng Qinjuan 2007Geomorphology2007,,3:1
13The relative importance of soil crust and slope angle in runoff and soil loss: a case study in the hilly areas of the Loess Plateau, North China显示文摘Qinjuan Cheng Wenjun Ma Qiangguo Cai 2008GeoJournal2008,,2:1
14Personalized Privacy Protecting Model in Mobile Social Network显示文摘With the rapid development of the new generation of information technology,the analysis of mobile social network big data is getting deeper and deeper.At the same time,the risk of privacy disclosure in social network is also very obvious.In this paper,we summarize the main access control model in mobile social network,analyze their contribution and point out their disadvantages.On this basis,a practical privacy policy is defined through authorization model supporting personalized privacy preferences.Experiments have been conducted on synthetic data sets.The result shows that the proposed privacy protecting model could improve the security of the mobile social network while keeping high execution efficiency.Pingshui Wang Zecheng Wang Tao Chen Qinjuan Ma 2019Computers, Materials & Continua2019,,5:0
15Speed aware self-adapting and reconfigurable routing mechanism in MANET显示文摘Zhang Qinjuan Wu Muqing Zhen Yan 2012High Technology Letters2012,18,3:0
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