نتایج جستجو برای: 250 meter

تعداد نتایج: 86203  

Journal: :I. J. Network Security 2016
Xiuxia Tian Lisha Li Jinguo Li Hongjiao Li Chunhua Gu

Varieties of data security protection technologies have been developed in smart metering. However, there are almost no researches focusing on the security of smart meter parameters. In fact, smart meter parameters, such as the total/sharp/peak/flat/valley period time, can be written locally or remotely by power companies or users through sending programming commands. Modifying smart meter param...

2013
R. Rajeswari N. Magadevi

This paper describes a mesh networking based solution on Routing Protocol for Low power and Lossy network to realize Automated Metering Infrastructure (AMI) network communication. Automated Metering Infrastructure is expected to facilitate the transport of meter readings from meters to the utility provider and control information in the other direction. The smart meters send the meter data to t...

2014
Robert Wehlitz Andrej Werner Bogdan Franczyk

A mass smart meter roll-out represents a vast challenge concerning the performing of the corresponding installation processes. Starting from the hypothesis that meter operators would be able to successfully implement a mass smart meter roll-out in Germany under the current conditions, we show that a determined lack of process support by information and communication technology (ICT) indicates t...

Journal: :Physics in medicine and biology 2002
Tsang Cheung Martin J Butson Peter K N Yu

The use of a diabetic blood glucose meter for radiochromic film dosimetry in blood irradiation using x-ray beams on a medical linear accelerator has been investigated. The glucose meter provides optical density analysis in the visible and infrared region using a reflectance measurement technique. By comparing the 'blood sugar' level output with standard calibration gafchromic films a calibratio...

Journal: :Journal of experimental psychology. Human perception and performance 2004
Erin E Hannon Joel S Snyder Tuomas Eerola Carol L Krumhansl

A number of different cues allow listeners to perceive musical meter. Three experiments examined effects of melodic and temporal accents on perceived meter in excerpts from folk songs scored in 6/8 or 3/4 meter. Participants matched excerpts with 1 of 2 metrical drum accompaniments. Melodic accents included contour change, melodic leaps, registral extreme, melodic repetition, and harmonic rhyth...

2005
M. T. Rashid Paul Voroney G. Parkin

Rashid, M. T., Voroney, P. and Parkin, G. 2005. Predicting nitrogen fertilizer requirements for corn by chlorophyll meter under different N availability conditions. Can. J. Soil Sci. 85: 149–159. Nitrogen management strategies that enhance fertilizer use efficiency and maximize profitability in corn require a rapid and accurate method to determine the crop N needs of current hybrids. The object...

Journal: :Journal of diabetes science and technology 2008
Linda E Schrock

BACKGROUND This article reviews the literature to date and reports on a new study that documented the frequency of manual code-requiring blood glucose (BG) meters that were miscoded at the time of the patient's initial appointment in a hospital-based outpatient diabetes education program. METHOD Between January 1 and May 31, 2007, the type of BG meter and the accuracy of the patient's meter c...

Journal: :Nepalese journal of ophthalmology : a biannual peer-reviewed academic journal of the Nepal Ophthalmic Society : NEPJOPH 2011
M Gupta Y Gupta P N Singh

INTRODUCTION Evaluation of optical media is important in ophthalmic practice. OBJECTIVE to design and tryout an electro-physiological device in order to assess the transparency of the vitreous. MATERIALS AND METHODS A media-meter was designed where a light sensitive sensor was placed on the cornea and adjoining sclera during the process of trans-illumination. The trans-corneal (TC) and tran...

2005
W. A. Imbriale

Development of very large arrays of small antennas has been proposed as a way to increase the downlink capability of the NASA Deep Space Network (DSN) by two or three orders of magnitude, thereby enabling greatly increased science data from currently configured missions or enabling new mission concepts. The current concept is for an array of 400 × 12-meter antennas at each of three longitudes. ...

Journal: :Ciencia Rural 2024

ABSTRACT: The uniformity of seed distribution and sowing speed directly impact crop quality productivity. This experiment assessed how the position monitoring sensor influences cotton seeds using a pneumatic meter at different operating speeds. employed completely randomized two-factor factorial design on static simulation bench. first factor involved installation sites (upper, middle, lower po...

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