nature and role of educational technology

... intensity of the somatic manifestations of fear and associated subjective distress, fulfilling a social role and dealing with individuals enacting sanctioned authoritative and powerful roles embedded ... shun friends and family and apprehended going to the grocery store where she dreaded the supermarket owner’s greetings and offers of help. Her husband’s business activities included a certain amount of ... minimize strife and the possibility of loss of face in a skirmish they are bound to lose, social phobic individuals prefer to pro- pitiate and appease. They are soft spoken, docile, and mild; not...

Ngày tải lên: 21/09/2012, 10:54

Ngày tải lên: 11/09/2013, 11:44

... Candida, Cryptococcus RNA viruses: Influenza Nature and Properties of Micro-organisms Laura JV Piddock Viruses  Obligate intracellular parasites  Use host cell for nucleic acid and ... C  GLYCOCALYX loose meshwork of fibrils extending outward from the cell plays a major role in bacterial adherence to surfaces  E.g. Streptococcus mutans and dental caries Important bacterial ... invasiveness of pathogenic bacteria by reducing opsonisation and protecting from phagocytosis.  E.g. Streptococcus pneumoniae in RTI  vaccination: pneumococcal; meningococcal A and C  GLYCOCALYX...

Ngày tải lên: 12/12/2013, 17:15

Ngày tải lên: 27/12/2013, 16:54

... permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. The Nature and Scope of Marketing Hunt, Shelby D. Journal of Marketing (pre-1986); Jul ... without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction ... Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction...

Ngày tải lên: 18/02/2014, 02:20

Ngày tải lên: 19/02/2014, 14:20

... pathophysiology and role of inflammatory mediators Diana Amantea 1 , Giuseppe Nappi 2 , Giorgio Bernardi 3 , Giacinto Bagetta 1,4 and Maria T. Corasaniti 5 1 Department of Pharmacobiology, University of Calabria, ... Brain Research and Department of Neuroscience, ‘‘Tor Vergata’’ University, Rome, Italy 4 University Centre for Adaptive Disorders and Headache, Section of Neuropharmacology of Normal and Pathological ... levels of cytokines and chemokines enhance the expression of adhesion molecules on cerebral endothelial cells, facilitating the adhesion and transendothelial migration of circulating neutrophils and...

Ngày tải lên: 07/03/2014, 03:20

... been annotated. Bearing in mind the importance of the Clp family of proteins in survival and virulence, it is of interest to understand the mode of action of these proteins in M. tuberculosis. In this ... Construction and purification of M. tuberculosis ClpC1 and its deletion mutants. (A) SDS ⁄ PAGE of purified full-length ClpC1 and deletion mutants, ClpC1D1 and ClpC1D2. (B) Full-length ClpC1 and deletion ... of BSA to heat-denatured luciferase. Acknowledgements This work was supported by grants to the National Institute of Immunology, New Delhi from the Depart- ment of Biotechnology, Government of...

Ngày tải lên: 23/03/2014, 06:20

... The set of variables includes a measure of branch opening (growth in number of bank branches), an indicator of the distribution of branches (ratio of inhabitants to number of branches) and an ... not always function efficiently and instead focuses on the role of information, incentives and institutions, providing a more favourable view of the possible role of the state in financial markets. ... critical mass of savings banks and other STV institutions, such as mutuals and cooperative banks. The prevalence and long history of savings banks and cooperatives in the financial sectors of many...

Ngày tải lên: 29/03/2014, 07:20

... all incomes. These income and expenditure accounts are closed off to the PROFIT AND LOSS ACCOUNT. (Income – Expenses = Net Profit) PROFIT & LOSS ACCOUNT ã BOTH OF THESE GO TO INCOME STATEMENT ... CR Profit & Loss Similarly DR Profit & Loss CR All Expenses (or any Nominal A/C with a DR Balance) The difference between the DR and CR side of Profit and Loss the determine NET PROFIT, ... BETWEEN SALES AND COST OF SALES = GROSS PROFIT ã Credit sales: DR Debtor (ie Paul glazby) AND Debtors control THE SELLING PRICE AMOUNT CR Sales (Income increased) DR Cost of sales (Cost of sales...

Ngày tải lên: 29/03/2014, 20:20

... near-field region of reader- and tag antennas and the operational quality of the overall RFID system[1-10]. Prior to the design of the reader- and tag antennas, the basics of antennas are tapped ... impedance of the chip and antenna, the constraints(overall size), the radiation pattern and gain, the reading range, and the tagged objects(geometry and materials). Especially, care must be taken of ... Fig. 9, a meandered dipole antenna is designed, and a pair of symmetrical meandered metallic strips surrounded by a rectangular AB CD 3 Design Fundamentals and Advanced Techniques of RFID Antennas...

Ngày tải lên: 21/06/2014, 19:20

... contents of tag memory, with each command eliciting up to 512 bytes of data. Before issuing a Read command the reader requests a temporary, random 16 bit handle from the tag. This handle is ... slots. A frame is a time interval between requests of a reader and consists of a number of slots. A tag randomly selects a slot number in the frame and responds to the reader. A procedure called ... gathering sensor data and transmitting queries. In this section, we give an overview of the Gen 2 protocol and discuss these primitives and their limitations. Development of Sensing and Computing...

Ngày tải lên: 21/06/2014, 19:20

... period of time and b) increasing the entropy of BAC keys by random numbering of passports and by filling in the optional (usually not used) field on the last page of a passport with a random ... remove. ã Demand for security Demand for security depends mostly on two factors: a) the size of potential damage, in terms of loss of money, loss of customers or, for example, disclosure of Development ... use of contact solutions difficult. On the other hand, although the air interface of Development and Implementation of RFID Technology 242 a b Fig. 2. A legitimate communication (a) and...

Ngày tải lên: 21/06/2014, 19:20

... Development and Implementation of RFID Technology 288 [4] L. Bolotnyy, and G. Robins, “Generalized yoking-proofs for a group of RFID tags”, in Proc. of MOBIQUITOUS 2006, July 2006. [5] S. Brands and ... and ISO/IEC 7816-6 AMD.1. The Study of RFID Authentication Protocols and Security of Some Popular RFID Tags 281 locks of locking bits, of which each bit handles pages 10~15, pages 4~9 and ... cryptography,” Proceedings of the 3rd ACM workshop on Security of ad hoc and sensor networks, pp. 63-67. [29] J. Katz and J S. Shin. Parallel and Concurrent Security of the HB and HB+ Protocols. Adv....

Ngày tải lên: 21/06/2014, 19:20

... process of the cover-coding. The generation and management of this ‘random number’ are vital for ensuring the security and integrity of the system but its size should be reconsidered and time of ... ID-query, a Tag generates random number r and calculates hash value h of its ID and r, i.e. h = H(ID||r), where ID|| r denotes concatenation between ID and r. And the Tag sends h and r as its response ... Suzuki 1 and Kazukuni Kobara 2 1 Bank of Japan 2 National Institute of Advanced Industrial Science and Technology Japan 1. Introduction An RFID system is a tracking and tracing system, and is...

Ngày tải lên: 21/06/2014, 19:20

... the establishment of the authenticity of a product by the secure binding of the identity of a tag and the legitimacy of the product with an irrefutable link between the product and the tag that ... Linking Physical and Virtual Worlds Tae-Su Cheong 1 and Yong-Jun Lee 2 1 School of Industrial and Systems Engineering, Georgia Institute of Technology, 1,2 Electronics and Telecommunications ... user-defined functions, and global RFID standard compatibility such as EPCglobal and Development and Implementation of RFID Technology 362 In RFID context, mitigating the problem of anonymity will...

Ngày tải lên: 21/06/2014, 19:20

Ngày tải lên: 21/06/2014, 19:20

Ngày tải lên: 21/06/2014, 19:20

Ngày tải lên: 21/06/2014, 19:20