current challenges in combinatorial chemistry research

... Kinh and Chinese combined with much more modest progress for ethnic minority populations holds true in every region of the country In most regions, the poverty rate for the Kinh and Chinese in ... ethnic minorities are poorer than poor Kinh and Chinese With a poverty gap of 2.6 percent, the Kinh and Chinese people who remain poor in 2004 are close to the poverty line, the likelihood being ... percent in several regions In one region – the South Central Coast – data show that more than 90 percent of ethnic minorities are living in poverty in 2004 while only 15 percent of Kinh and Chinese...

Ngày tải lên: 12/12/2013, 21:15

... feeding systems are dysfunctional in anorectic tumor-bearing rats NPY injected intrahypothalamically stimulated feeding less potently in rats bearing methylcholanthrene-induced sarcoma than in ... signal.76,77 Convergent information suggests that CRF may be involved in triggering changes in gastrointestinal motility observed during stress exposure CRF may induce delayed gastric emptying and gastric ... Leptin-regulated endocannabinoids are involved in maintaining food intake Nature 2001;410:822-825 125 Tanaka Y, Eda H, Fujimoto K, et al Anticachectic activity of 5′-deoxy-5-fluorouridine in a...

Ngày tải lên: 15/02/2014, 04:20

... in which the financial instruments the entity has invested in have relatively high estimation uncertainty These may include fair value accounting estimates for complex financial instruments in ... may influence the auditor’s risk assessment with regard to financial instruments include: Management is responsible for establishing an accounting and financial reporting process for determining ... understanding of the instruments may be developed, for example, by understanding the entity’s processes for investing in particular instruments and the information obtained by the entity in connection...

Ngày tải lên: 17/02/2014, 10:20

... mutations pyrimidine by taking plac different base instead of original one in the genome When a purine base replaces with another purine or a pyrimidine bas or a pyrimidine base with a purine (A↔C, ... (Short Interfering RNA) - double strand molecule [2] - extracellular origin (commonly synthetic) - called as small interfering or silencing RNA piRNA - interacts with piwi proteins (Piwi-interacting ... by researches throughout the world Current Progress in Biological Research is a book that focuses on presenting recent scientific advances made in a variety of biological disciplines, including...

Ngày tải lên: 08/03/2014, 19:20

... professionals in clinical research across all practice settings and emerging health care systems; the timely incorporation into clinical practice of new research findings and findings on health ... cancer; increasing the influence of breast cancer advocates in all decision making about the disease, including funding decisions for breast cancer research; and increasing collaboration in the ... facing clinical practice, without the additional resources needed to translate research into practice He noted that often the weak link in the Clinical Research Enterprise is translating findings...

Ngày tải lên: 29/03/2014, 13:20

... 2011 Printed in Croatia A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Current Trends and Challenges in RFID, ... resistance lines, as indicated in Fig Z Plane Plane X i R -1 Fig Mapping of Z-plane into Γ-plane for constant reactances r Current Trends and Challenges in RFID The Smith, as shown in Fig 4, is ... S12 and S22 can be obtained by measuring the incident, the reflected and the transmitted signals at the output when the input is terminated in Z0 Since the input is terminated by Z0 there is no...

Ngày tải lên: 19/06/2014, 19:20

... are given in Chapter 3, and c is defined as the correlation between the drain noise ind and the gate noise ing currents, given as: c * ing ind (33) 2 ing ind For the sake of simplicity, initially ... VDin is Vin – Vref It is expected that by increasing the resistance Rs, which increases negative feedback, the transfer characteristic would be linearized, by exchanging gain for linearity In ... are obtained simultaneously when Zopt  Zin _ eq * , where Zin_eq is the equivalent input impedance seen by input gate of amplifying transistor given as: 27 Main RF Structures Zin _ eq  Rin _ eq...

Ngày tải lên: 19/06/2014, 19:20

... flow into Q1 leading the system to desired operating point At same time, CSTART is charged toward VIN reducing the Vsg of MSTART and, consequently, turning it off Figure 13 shows a simulating ... temperature effects are minimized in a similar way as the stress gradient: by using low linear temperature coefficient, by using minimal lines of the temperature gradient and by reducing the distance ... that the dominant pole frequency depends on the drain-source resistance, which in turn depends on the drain current As a consequence, the dominant pole can change its position according to the...

Ngày tải lên: 19/06/2014, 19:20

... are involved in choosing a frequency of operation (Dobkin 2007) Fig Inductive coupling or near field detection of RFID reader 92 Current Trends and Challenges in RFID The most fundamental, as indicated ... materials in buildings and the environment, particularly those containing water The degree of absorption due to water increases gradually with increasing frequency Tags immersed in water-containing ... orthogonal polarization Instead of using a single coaxial feed, similar results are obtained by using an aperture coupled rectangular microstrip antenna, in which an inclined slot is cut in the ground...

Ngày tải lên: 19/06/2014, 19:20

... cylinders in different stages If the thickness is still not satisfied after a printing running on the machine shown in the Fig 6(a), feeding the printed sheets into machine from beginning again ... three cylinders (three stages) at least in charge of three color inks in sequence in a normal printing machine, then the thickness increase can be achieved by putting the same conducting inks on ... traditional printing methods including offset printing, screen printing and a hybrid one based on gravure printing and vacuum deposition technology, to demonstrate the possibilities of making lowcost...

Ngày tải lên: 19/06/2014, 19:20

... time to print circuits and remains interesting for electronic printing In the future, different printing methods are 152 Current Trends and Challenges in RFID likely to co-exist in the printed electronics ... definitely a dominant variable affecting the printability of printing antenna of RFID tags The results of study can assist the printing industry in determining the optimal substrates for printing ... experimental research in nature and aimed to investigate the process consistency and capability of printing RFID tag antennas via the screening printing process Screening printing using Ag ink with...

Ngày tải lên: 19/06/2014, 19:20

... the incident angle θinc is increased from 0º to +58º However, the 5.8GHz frequency of interest is within the AMC operation bandwidth for all the incident angles in the θinc= ±58º angular margin ... desirable 176 Current Trends and Challenges in RFID As pointed out in section 1, the negative effects of metallic objects in RFID tags are increased at higher frequencies and so the following discussions ... different incident angles θinc=0º, º, 30º, 45º, 55º and 58º 178 Current Trends and Challenges in RFID Antenna on AMC to be used in 5.8GHz SHF RFID tags over metallic objects Firstly, a miniature printed...

Ngày tải lên: 19/06/2014, 19:20

... 1) should be installed and set up in advance [15] Therefore, once the System 226 Current Trends and Challenges in RFID Generator has successfully finished compiling the HDL design into the FPGA ... chain peculiarities and on the individuation of the properties that a tag should own in order to guarantee high performance in all supply chain steps, even when used to track items containing ... containing hostile materials Another reason of reading-failure in the items line is due to the use of a FF tag antenna with a NF reader antenna Although NF reader antennas are used in the items line,...

Ngày tải lên: 19/06/2014, 19:20

... frequency p1/2π Consider the opamp in the inverting configuration as in figure 10 Fig 10 Inverting amplifier Assuming that there is no current into the inverting input, the current law gives (VI – VX)/Z1 ... magnetizing inductance k2LA and the ideal transformer with voltage ratio k LA / LT : Fig Steps in deriving the principle of low coupling approximation 238 Current Trends and Challenges in RFID In ... Perspective 237 maintain the same QS) and increase of CA (to maintain the tuning) However, the reader designer should be aware that, as shown by (7), decreasing LA while maintaining the quality...

Ngày tải lên: 19/06/2014, 19:20

... variables for Linear Hashing are also initialized: the current splitting round indicator ← and the current splitting ← All the information is organized into a pre-computed 2-level database pointer structure, ... are split into slots: and function (∙) The splitting pointer moves to the next slot, ← If , , increment the current splitting round indicator, ← 1, and reset the splitting pointer, ← Insertion ... cannot update its current key So the adversary can obtain valid instances of oracle , , which can help to reveal the current key Once again, the probability of inferring the current key is successfully...

Ngày tải lên: 19/06/2014, 19:20

... anti-collision in UHF-RFID-based systems The following sections introduce CDMA by outlining the advantages over the current used TDMA schemes After introducing particular problems backscattering RFID ... size was increased linearly with the number of tags and BFSAMuting has smaller optimal frame size than the one BFSA-Non-Muting has 300 Current Trends and Challenges in RFID Fig 19 Minimum Total ... BFSA-Non-Muting, square line represents analytical result of BFSAMuting, and ‘+’ line represents simulation result of BFSA-Muting For computing the analytical result of BFSA-Non-Muting and BFSA-Muting...

Ngày tải lên: 19/06/2014, 19:20

... 326 22 Current Trends and Challenges in RFID Will-be-set-by -IN- TECH may be minimized using appropriate spreading codes Fields of application mainly include closed systems, e.g., found in industrial ... and a new synchronization index, as the new peak indicates the next starting point for the succeeding peak estimation With 70 data peaks within one shot and within the initial guess, the total ... problem consists in finding the interrogation zone of given RFID system, with its shape, location and Application of Monte Carlo Method for Determining the Interrogation Zone in Anticollision...

Ngày tải lên: 19/06/2014, 19:20

... Evaluation of UHF RFID Tags in the Pharmaceutical Supply Chain, In: The Internet of Things 20th Application of Monte Carlo Method for Determining the Interrogation Zone in Anticollision Radio Frequency ... Query Using Multiple Hilbert Curves Ying Jin1, Jing Dai2 and Chang-Tien Lu3 Spring Harbor Lab T J Watson Research Center 3Virginia Polytechnic Institute and State University USA 2IBM 1Cold Introduction ... multi-dimensional indexing method (Lawder & King, 2000) and spatio-temporal indexing methods (Jensen et al, 2004) Recently, concurrent spatial indexing methods based on Hilbert curve are proposed in (Dai...

Ngày tải lên: 19/06/2014, 19:20

... changing of the tag 398 Current Trends and Challenges in RFID Inventoried just release general information close interrogating Inventoried release more specific information far interrogating ... Meng-Lin Tsai2 1Department of Management Information System National Chung Hsing University 2Department of Computer Science and Engineering National Chung Hsing University Taiwan Introduction In ... and Access Control Inventoried Killed reader sends “kill” command inoperative Fig The state changing of the tag in killing approach Another kind of solution is using the “sleeping” mechanism As...

Ngày tải lên: 19/06/2014, 19:20

... and decoding the signal, analysing the frame and modifying this frame according to the data 428 Current Trends and Challenges in RFID that the attacker wants to transmit By relaying information ... Tracking a person by scanning tags or cards on him, using the access card without the agreement of its owner to enter in a secure building, all these attacks can be currently done by using information ... device involving a main threat for its privacy • Load based retro-modulation: 416 Current Trends and Challenges in RFID The communication from the tag to the reader is really weak and performed in...

Ngày tải lên: 19/06/2014, 19:20