... Learning AEHS Adaptive Educational Hypermedia System AeLS Adaptive e-Learning System AHS Adaptive Hypermedia System AI-CAI Adaptive Intelligent- Computer-Assisted Instruction AI-Edu Artificial ... PHỤ LỤC - ACeLF hệ học trực tuyến 167 DANH MỤC CÁC TỪ/THUẬT NGỮ VIẾT TẮT ACeLF Active- Collaborative e-Learning Framework ACeLS Active- Collaborative e-Learning System ADL Advanced Distributed ......
Ngày tải lên: 07/11/2014, 17:25
... possible to get the shortest path by searching for the upstream nodes based on the load flow in the normal healthy state If the shortest path from node A to the source is PathA, PathA can be described ... not exist, hut there is a node connected to the tie switch, then the nodes belong to class C If there exist nodes connected to neither the source nor the ti...
Ngày tải lên: 03/01/2014, 19:39
xps studies of active elements surface of gas sensors based on wo3nanoparticles
... OH-groups (comp g) on the surface On the contrary the relative contribution of OHgroups and H2 O on the surface of WO2.9 and WO2.72 remains high after anneal and it is proportional to the nonstoichiometry ... active elements based on stoichiometric WO3 nanopowders sensor response R/R = 175 Conclusions Thus in the nonstoichiometric tungsten oxides the contents of OH-gro...
Ngày tải lên: 20/03/2014, 13:12
Báo cáo hóa học: " Electrospray deposition of polymer thin films for organic light-emitting diodes" pot
... Electrospray deposition of polymer thin films for organic light-emitting diodes Wontae Hwang1, Guoqing Xin1, Minjun Cho1, Sung Min Cho1, and Heeyeop Chae*2 School of Chemical Engineering, ... Abstract Electrospray process was developed for organic layer deposition onto polymer organic light-emitting diode [PLED] devices in this work An electrospray can be u...
Ngày tải lên: 20/06/2014, 23:20
Báo cáo hóa học: " The promise of downlink MU-MIMO for highcapacity next generation mobile broadband networks based on IEEE 802.16 m" potx
... section, we provide the assumptions of the IEEE 802.16 m mobile broadband system used in the Page of 15 simulations for evaluating the performance of MUMIMO The main OFDMA and frame parameters of ... criteria for the evaluation of proposed concepts during the standardization of IEEE 802.16 m Since the IEEE 802.16 m evaluation methodology contain...
Ngày tải lên: 21/06/2014, 01:20
Báo cáo hóa học: " Modification of Conductive Polymer for Polymeric Anodes of Flexible Organic Light-Emitting Diodes" pdf
... a C(1s), O(1s) spectra at normal take-off angle of 458, b S(2p) spectra at normal take-off angle of 458, and c S(2p) spectra at a smaller take-off angle of 25° 123 400 Luminous intensity (µW/cm2) ... in conductivity was achieved with the modification process Based on the modified polymeric anodes, FOLEDs were fabricated and compared with the FOLEDs of ITO anodes A lower turn volt...
Ngày tải lên: 22/06/2014, 00:20
Báo cáo hóa học: " Research Article Interface for Barge-in Free Spoken Dialogue System Based on Sound Field Reproduction and Microphone Array" pptx
... response sound with sufficient quality even when the user is out of the prepared position CONCLUSION We have proposed a barge-in free spoken dialogue interface combining sound field reproduction and a microphone ... Kobayashi, and T Takezawa, “Design and creation of speech and text corpora of dialogue, ” IEICE Transactions on Information and Systems, vol E76-D, no...
Ngày tải lên: 22/06/2014, 23:20
Luminescent materials for organic light emitting diodes (OLEDs) and bioimaging
... Phosphorescent materials for OLEDs Chapter 1.1 Introduction Mechanism and structures of organic light- emitting diodes (OLEDs) Light- emitting materials for OLEDs 1.2.1 Fluorescent materials 1.2.2 ... Alq3, TPD and PPV 1.1 Mechanism and structure of organic light- emitting diodes (OLEDs) Electroluminescence is obtained from light- emitting diodes...
Ngày tải lên: 10/09/2015, 15:54
MICROARRAY FOR SINGLE PARTICLE TRAP WITH ADDRESSABLE CONTROL BASED ON NEGATIVE DIELECTROPHORESIS
... develop a smart microarray for both particle sorting and single particle trapping with addressable control To integrate more functions into one structure is a challenge In this microarray, one feature ... challenge to trap single particles and to sort them Several novel micro-devices for particle sorting and trapping are presented based on dielectrophoresis (DEP...
Ngày tải lên: 11/09/2015, 10:01
Carrier recovery for high speed coherent optical communication systems based on digital signal processing
... requires high speed data communication within data-centers and high performance computers [3] The optical communication systems can be divided into two categories based on their detection method One ... that employ optical fibers for information transmission The carrier frequencies for optical communication systems are in the range of 100 THz which is the visibl...
Ngày tải lên: 12/09/2015, 09:28
Báo cáo khoa học: Molecular cloning of the Matrix Gla Protein gene from Xenopus laevis Functional analysis of the promoter identifies a calcium sensitive region required for basal activity doc
... tatg|gtaag tatg|gtaag agag|gtaag g(t)5aacag|aagaa c(t)4gtatacag|actc a( t)4cag|atcc c(t)4ag|aatc Not in coding region I I II (2929) (986) (1985) (1490) Table Comparison between exon structures in Xenopus ... 2002 Functional analysis of Xenopus MGP gene promoter (Eur J Biochem 269) 1949 GGAAAC-3Â) for amplication of the region from )783 to +33, and (5Â-CCGGAGCTCGAGGG...
Ngày tải lên: 08/03/2014, 10:20
A penalty method for correlation matrix problems with prescribed constraints
... essential idea of the exact penalty method via considering the penalized version by taking a trade-off between the prescribed constraints and the weighted least v Summary vi squares distance as follows: ... (· )A A2 ∂ΠS+ (·)( A3 ) A2 ∂ΠS+ (· )A2 n n n n ( A3 )∂ΠS+ (· )A ( A3 )∂ΠS+ (· )A ( A3 )∂ΠS+ (· )A A3 ∂ΠS+ (· )A n n n n A4 ∂ΠS+ (· )A A4 ∂ΠS+ (·)( A ) A4 ∂ΠS+ (· )A...
Ngày tải lên: 26/09/2015, 09:39
A smoothing newton BICGStab method for least squares matrix nuclear norm problems
... Programming 76 (1997), pp 513-532 [6] Y Gao and D F Sun, Calibrating Least Squares Covariance Matrix Problems with Equality and Inequality Constraints, SIAM Journal on Matrix Analysis and Applications ... Y Gao and D F Sun, A Majorized Penalty Approach for Calibrating Rank Constrained Correlation Matrix Problems, manuscript, 2010 38 Bibliography [8] G H Golub and C F Van Loan...
Ngày tải lên: 26/09/2015, 09:56
Choosing a treatment that,s right for you
... hemodialysis, peritoneal dialysis, and kidney transplantation Each of them has advantages and disadvantages You may also choose to forgo treatment By learning about your choices, you can work ... would want to refuse treatment You may state that you want your health care team to use all available means to sustain your life Or you may direct that you be withdrawn from dialysis...
Ngày tải lên: 01/09/2012, 11:09