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An Industrial DAQs and Internet Based Data Logging and Remote Monitoring System for Real-Time Multi-Parameters Measurements

Authors: Tran, Vinh Thang
Do, Trung KienKeywords: DAQ-data acquisition;data logger;remote monitoring systemIssue Date: 2014Publisher: H. : ĐHQGHNSeries/Report no.: Vol. 30;No. 2 (2014)Abstract: In this paper, we proposed a design and implementation of a multi-parameters data logging and remote monitoring system for investigating both of electrical parameters and physical ones for indoor and outdoor environments. The task of logging and monitoring parameters are temperature, relativity light intensity and nineteen electrical parameters with storage and transmission of this information in the form cloud storage service to the user’s computer over internet in real-time for in-situ or further analysis. Due to industrial data acquisition modules, this system is easy to build with an expandable capability and enduring stability. Also a large of logged data can be measured by using this system with high accuracy and they are able to observe in a large surveying area.Description: p…

Influences of pH Values on Magnetic CoNiP Nanowires Fabrication

Authors: Luu, Van Thiem
Le, Tuan Tu
Pham, Duc ThangKeywords: PC template;CoNiP nanowires;magnetic properties and electrodepositionIssue Date: 2014Publisher: H. : ĐHQGHNSeries/Report no.: Vol. 30;No. 2 (2014)Abstract: CoNiP nanowire arrays were fabricated by electrodeposition method into polycarbonate (PC) templates at different pH values. It is obvious that the crystal structure of the CoNiP nanowires depends on the pH values of electrolyte. The XRD results show that crystal structure of the CoNiP nanowires is hcp structure and the intensity of the hcp (002) increased enhances as solution pH=3.5. Magnetic measurements indicate that CoNiP nanowires show a transition from soft to hard magnetic properties with pH values from 2.0 to 3.5 and the maximum coercivity is 1630 Oe.Description: p. 54-58URI: http://repository.vnu.edu.vn/handle/VNU_123/56069ISSN: 2588-1124Appears in Collections:Mathematics and Physics

Introduction to Wastewater Treatment

Authors: Michael R. Butler, Templeton DavidKeywords: Wastewater treatment;Xử lý nước thảiIssue Date: 2011Publisher: bookboon.comAbstract: This book provides an introduction to the fundamental concepts and equations that underlie the engineering processes in wastewater treatment. Topics include preliminary treatment, sedimentation, biological treatment, nutrient removal, disinfection, and sludge treatment. Also discussed are wastewater management issues in developing countries and emerging concerns and trends in wastewater treatment in developed countries.Description: 80 p.URI: http://repository.vnu.edu.vn/handle/VNU_123/23681ISBN: 9788776818432Appears in Collections:Tài nguyên giáo dục mở (OER)

An Introduction to Nonlinearity in Control Systems

Authors: Derek, AthertonKeywords: Nonlinearity in control systemsIssue Date: 2011Publisher: bookboon.comAbstract: The book is concerned with the effects of nonlinearity in feedback control systems and techniques which can be used to design feedback loops containing nonlinear elements. After a short introductory chapter on nonlinearity and its possible effects the use of phase plane methods for nonlinear second order systems is discussed.URI: http://repository.vnu.edu.vn/handle/VNU_123/23684ISBN: 9788776817909Appears in Collections:Tài nguyên giáo dục mở (OER)

Có thế giới bên kia hay không?

Authors: Đỗ, Công ĐịnhKeywords: Phật giáoIssue Date: 2005Publisher: Viện Nghiên cứu Phật học Việt NamDescription: Tạp chí Nghiên cứu Phật học. Số 2. Năm 2005. TNS032URI: http://repository.vnu.edu.vn/handle/VNU_123/55213Appears in Collections:Nghiên cứu Phật học và Phật hoàng Trần Nhân Tông (LIC)

Lễ hội Chùa Hương - lễ hội đậm nét văn hóa Phật giáo

Keywords: Chùa;Lễ hội;Văn hóa phật giáoIssue Date: 2005Publisher: Viện Nghiên cứu Phật học Việt NamDescription: Tạp chí Nghiên cứu Phật học. Số 2. Năm 2005. TNS033URI: http://repository.vnu.edu.vn/handle/VNU_123/55214Appears in Collections:Nghiên cứu Phật học và Phật hoàng Trần Nhân Tông (LIC)