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湖泊沉积物磁学特征指示的埃及Faiyum盆地全新世以来的环境...  CNKI文献

利用埃及北部Faiyum盆地获得的高取芯率沉积物岩芯,进行沉积物多种磁性参数的测量,结合有机碳、介形虫、粒度等分析,在AMS14C加速器测年的基础上,建立全新世以来湖泊沉积物磁性特征变化的时间序列.结果表明,粒度效应以...

江俊 Alaa Salem... 《湖泊科学》 2016年06期 期刊

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埃及Faiyum盆地沉积物中粒度和磁化率对风沙活动的指示意义  CNKI文献

埃及Faiyum盆地是尼罗河下游的泛滥平原,沉积物主要来自尼罗河和撒哈拉沙漠.本文通过对钻孔FYAM(孔深4.6m)沉积物的粒度、磁化率的分析,并结合石英形态、石膏和碳酸盐含量分析,旨在寻找Faiyum盆地沉积物中代表风沙活动...

韩华玲 陈静... 《湖泊科学》 2011年02期 期刊

关键词: 粒度频率曲线 / 单峰 / 双峰 / 撒哈拉沙漠

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尼罗河三角洲早—中全新世气候—环境变化对早期农业发展的...  CNKI文献

对尼罗河三角洲平原东北部一个古埃及文化遗址(Kom El-Khilgan)1.5 m长的沉积物剖面KH1开展14C测年、沉积物粒度和孢粉分析.根据岩性、粒度和测年等结果综合判定:剖面150~100 cm地层为早全新世河流相沉积;100~27 cm地...

Hadeer Sheashaa 赵小双... 《湖泊科学》 2018年03期 期刊

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阿斯旺建坝后尼罗河三角洲泻湖重金属污染特征及其环境意义  CNKI文献

本研究以尼罗河三角洲泻湖(Manzala、Burullus、Edku)为典型区域,利用6根浅孔并选取Al、Cd、Cr、Fe、Mn、Pb、Cu、Zn等主要重金属元素,探讨了自然和人类活动(建坝)共同作用下河口泻湖湿地环境重金属时空分布及污染来源...

顾家伟 Alaa Salem... 《地球与环境》 2014年02期 期刊

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尼罗河三角洲与长江三角洲重金属污染对比研究  CNKI文献

通过对比研究尼罗河三角洲与长江三角洲重金属污染特征,结果发现前者多数重金属含量高于后者,且尼罗河三角洲富集指数EF值约为长江三角洲3倍。此外,两者重金属分布格局差异明显,尼罗河三角洲呈东西高、中间低的"...

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阿斯旺建坝后尼罗河三角洲重金属污染研究进展——对长江三...  CNKI文献

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顾家伟 王灿... 《地球与环境》 2013年05期 期刊

关键词: 尼罗河三角洲 / 重金属 / 长江三角洲

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INCINERATION RESIDUES VALORIZATION IN PHOSPHATE WASTEW...  CNKI文献

Although a considerable part of incineration residues is used in relevant applications such as construction or in soil amendment, much of it is released into the environment. Besides having an impact...

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Pressure Vessel Design Simulation Using Hybrid Harmony...  CNKI文献

Recently the development of optimization algorithm is rapidly increased. Among several optimization algorithms, Harmony Search(HS) has been recently proposed for solving engineering optimization prob...

Alaa A.Alomoush Mohammed I.Younis... Proceedings of the 3rd International Conference on Big ... 2019-11-20 国际会议

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Transformational Leadership and Organizational Creativ...  CNKI文献

The organizational creativity is that the outcome of the distinguished individuals' and team performance,which is characterized by authenticity in their ideas and solutions;there is little doubt ...

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Transformational Leadership and Job Satisfaction:The M...  CNKI文献

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Recognizing Faces in Shades of Gray  CNKI文献

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Transformational Leadership and Individual Creativity:...  CNKI文献

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Novel DC Voltage Controller for Single-Stage Grid Conn...  CNKI文献

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Transformational Leadership and Individual Creativity:...  CNKI文献

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关键词: Transformational / Leadership / Structural / Empowerment

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Heart Beat Rate Measurement Based on Piezoelectric Sen...  CNKI文献

Heart diseases of enormous proportion is a crisis faced in many countriesTherefore, the need of heart monitors will have to keep pace with in order to minimize the worsening of patients' heart il...

Iman Gamal El Din MORSI Heba Mohamed KOHEIL... Proceedings of 2015 International Conference on Electri... 2015-08-23 国际会议

关键词: Heart / beat / rate / Piezoelectric

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Transformational Leadership and Organizational Creativ...  CNKI文献

Researchers unanimously agree that organizations are in urgent need for creativity because it has an important role in the survival and sustainability of organizations.Therefore,a number of studies h...

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关键词: Transformational / Leadership / and / Organizational

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New Design for Intelligent Parking System Using the Pr...  CNKI文献

Management Information System(MIS) is the design and management of IT(Information Technology) for an organization.It focuses on the best way to enable the organization to meet its goals and business ...

Ayad Ahmed Yass Norizan Mohd Yasin... Proceedings of International Conference on Computer Eng... 2009-06-06 国际会议

关键词: intelligent / parking / system / image

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Individual Identification Using ECG Signals  CNKI文献

The electrocardiogram(ECG) signal used for diagnosis and patient monitoring, has recently emerged as a biometric recognition tool. Indeed, ECG signal changes from one person to another according to h...

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关键词: Biometrics / ECG / Signals / Fiducial

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Ontology-driven Bayesian Network Model for Semantic Ex...  CNKI文献

In this paper, ontology-driven Bayesian network model is proposed using the semantic ontology knowledge base, which automatically transforms the entities of the ontology into the Bayesian network mod...

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关键词: Bayesian / network / model / Medical

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