fundamentals and its application in science

... Drzymaly 24, 60-613 Poznan, Poland ´ { Abstract Due to the presence and significance of alumina in the natural aquatic environment and its increasing application in drinking and wastewater purification, ... structure of alumina and its possible interactions with organic and inorganic compounds in water are of great importance. This is of particular importance in both the understanding of natural aquatic environment ... properties of alumina and its reactivity with organic and inorganic compounds present in aqueous solutions. It also summarises the usage of alumina and alumina supported phases in water treatment...

Ngày tải lên: 15/03/2014, 23:22

... perspective into the characteristics of time-varying spectrum via studying the properties of the corresponding kernel However, to maintain physical meaningness in time-varying spectrum and coherence, ... stationary neighborhoods (a) in the coordinates of two time instants and (b) in the coordinates of the center time location and the time index difference (1) The time-varying spectrum, as an energy ... Time-Varying Coherence and Its Application in Understanding Brain Functional Connectivity Cheng Liu,1 William Gaetz,2 and Hongmei Zhu (EURASIP Member)1 Department Biomagnetic of Mathematics and Statistics,...

Ngày tải lên: 21/06/2014, 16:20

... unique properties and advantages of watermarking in joint time- frequency domain. In [15], watermark insertion and extraction are both done in time-frequency domain. In the embedding process, watermark ... SP- WVD and PWVD in time-frequency domain has the form ψ T (t, f ) = g(t)H( f ), (10) where g(t) is the time-smoothing window and h(t) is the running analysis window having frequency-smoothing ef- ... h(t). The amount of smoothing in time and frequency increases as the length of window g(t) increases and length of window h(t) decreases, respectively. Althoug h smoothing of interference terms (IT)...

Ngày tải lên: 22/06/2014, 23:20

... received his B.S and M.S degrees in electrical engineering from Fudan University, Shanghai, China, in 1983 and 1986, respectively, and his Ph.D degree in imaging science from Rochester Institute of ... maximum point of a Point a will belong to the same peak as point b Similarly, point b belongs to the same peak as its local maximum point c and point c belongs to peak Therefore, points a, b, and c ... respectively, n1i and n2 j represent the data point numbers in cluster i of {H1 } and cluster j of {H2 }, respectively, and mi j is the number of data points existing both in cluster i of {H1 } and in cluster...

Ngày tải lên: 23/06/2014, 01:20

... achieves definitive... definitive success in taming complexity 1 2 3 4 Sort Label Integrate Prioritize An effective scheme for organization achieves definitive success in taming complexity ... definitive success in taming complexity An effective scheme for organization achieves definitive success in taming complexity 1 Sort An effective scheme for organization achieves definitive ... achieves definitive success in taming complexity 1 Sort 2 Label An effective scheme for organization achieves definitive success in taming complexity 1 Sort 2 Label 3 Integrate An effective scheme...

Ngày tải lên: 03/07/2014, 09:47

... clusters, competing factors can bind even to very well determined motifs that overlap. Representation of protein binding motifs in nucleotide sequences Experimental methods on protein binding to DNA ... assumedly interacting with the fac- tors. The distribution of occurrences of TF binding sites in corresponding experimentally confirmed regulatory regions is strongly biased [34]. In CRMs binding sites ... binding sites, so one needs to expand the list of putative binding sites using an appropriate criterion, which brings about the problem of the generalization of several known examples. For instance,...

Ngày tải lên: 12/08/2014, 17:20

... follows: Definition 1. In Two Side (ITS) : In the line segment of the x m and x max in the variable space, iff ∃ x m ’ ,such that: f (x m ’)≥ f(x max ’), then we call x m and x max are ITS. Definition ... Gene Expression Changing The 2nd International Conference on Bioinformatics and Biomedical Engineering Shanghai, China: Bioinformatics and Biomedical Engineering 2008, 1896-1900 The website ... function in the group, the corresponding v alue in x axis is xpeak. f(Xmax) is the max value in the group, the corresponding value in x axis is xmax. f(Xm) is a mass value of a surrounding dust in...

Ngày tải lên: 12/08/2014, 17:20

... NEAR-INFRARED CYANINE DYE LIBRARY WITH INCREASED PHOTOSTABILITY AND ITS APPLICATION IN FLUORESCENCE AND SERS IMAGING ANIMESH SAMANTA (M Sc., Indian Institute of Technology Madras, Chennai, India) ... protein-labeling dyes must ideally retain highly fluorescent emission and good photostability profiles once conjugated to the protein of interest, and must maintain the specific recognition and ... pM, 100 L) were injected into the tail vein of the mice After h, mice were anesthetized by intraperitoneal injection of ketamine and xylazine mixture solution and in vivo SERS measurements were...

Ngày tải lên: 09/09/2015, 18:58

... would in nature, and in similar proportions to that of in vivo ECM is formed from many different structural macromolecules and plays a crucial role in maintaining tissue structure and modulating ... factors and anchoring substrates are the underlying principles of these systems, which try to mimic the microenvironments of the hESCs Indeed, keeping in mind the origin of hESCs, the neighbouring ... more in comparison to the former three matrices Both DCN and BGN are members of the proteoglycan family, with a small leucine-rich protein core and a glycosaminoglycanbinding N-terminus DCN and...

Ngày tải lên: 11/09/2015, 10:06

... down-regulated in trophoectoderm and primitive endoderm of the mouse embryo Later, it is maintained in the embryonic ectoderm at the cylinder stage, and down-regulated at gastrulation in an anterior-posterior ... [10], indicating the crucial role that Oct-4 plays in maintaining the pluripotent state of ES cells As Oct-4 is a transcription factor, naturally it is found within the nuclei 64 of hESCs, and ... hESCs, and so, in order to obtain successful Oct-4 immunostaining, the cells have to be first permeabilized using 0.2% Triton-X 100 - this extra processing step results in markedly increased sample...

Ngày tải lên: 11/09/2015, 10:07

... presenting a brief history of UWB radiating elements, and continues explaining the theory behind the frequency independent antennas and the feeding techniques, and finally, suggests a complete design ... multifunctional antennas, pointing out all the main features, advantages and drawbacks, in a quick and easy-tounderstand way before going into the details The chapter starts with presenting a brief history ... certain dependency on the system bandwidth Accurate modeling and improved physical understanding of pulse reflection from dispersive media is crucial in a number of applications, including optical...

Ngày tải lên: 29/06/2014, 13:20

... [1] Girish Kumarand, K.P.Ray, 2003 Broadband microstrip antennas ArtechHouse London [2] Lưu Văn Hoan, 2008 Thiết kế anten vi dải băng rộng Luận văn tốt nghiệp đại học ngành Thông tin vô tuyến Hà ... tìm hiểu thiết kế Boadband Planar Monopole Antennas Đồng thời sử dụng phần mềm Ansoft HFSS để thiết kế mô Đồ án gồm chương : Chương 1: Lý thuyết chung anten Chương 2: Boadband Planar Monopole Antennas ... Boadband Planar Monopole Antennas nói riêng, đồng thời thiết kế mô anten đơn giản Trong trình hoàn thành đồ án tránh khỏi sai sót, mong thầy cô góp ý giúp đỡ em hoàn thành đồ án tốt Em xin cảm...

Ngày tải lên: 21/08/2015, 16:38

... The broadband input impedance and the high gain are obtained in the calculation and the measurement During the past few decades, there has been growing interest in the use of microwave and millimeter ... and spacing (see Fig 5(a)) Notice that, as in the case of many other planar transmission lines, the intrinsic impedance decreases for increasing strip widths This in turn suggests that matching ... frequency band in UWB antenna are summarized and introduced in this part Finally, we will simply forecast the development and application of the UWB communications in the future 20 Microwave and Millimeter...

Ngày tải lên: 21/06/2014, 11:20

... levels within specified limits Matching of Microstrip Lines Matching of microstrip transmission lines is done by matching each line to the source, its interconnecting transmission lines, and to the ... tapered slot in the ground plane and microstrip feeding line But the latter could have a wide bandwidth by inserting rectangular slot on the feeding line And Figure 18 (c) shows a planar miniature ... frequency bands such as inserting slots, removing narrowband resonant structure, using fractal structure, using optimization algorithm and using metamaterial structures are introduced In addition,...

Ngày tải lên: 21/06/2014, 11:20

... 14 Input impedance (real and imaginary) of the path with radiating and non-radiating feed Verification can also be done using a full 3D field solution comprising the patch, finite substrate, finite ... engaged in the printed wide-slot antenna and have realized the ultra-wideband property through a combination of changing the slot shape and using different feeding structures Fig.17 shows two kinds ... improvement in bandwidth characteristics indicated in figure 10 with respect to figure indicates the importance of providing a quarter wave transformer in terms of the return loss and bandwidth...

Ngày tải lên: 21/06/2014, 11:20

... matching, balanced matching and matching with negative feedback [Gonzalez, 1997] In this section, lossy matching combined with reactive matching is used to increase the bandwidth of amplifier and ... and isolation of two ports are shown in fig 7-a and 7-b The final experimental result is a divider block with 3dB insertion loss and 1dB of flatness and minimum 20dB isolation in frequency bandwidth ... wideband Test Bed in X-Band 91 100 nsec steps (the maximum delay can be increased, independently) In this design delay control commands (4bits) are entered to the decoder to make 16 bits commands...

Ngày tải lên: 21/06/2014, 11:20

... clearly distinguished In Fig 12, the outline and windows of the building and even the outline of the tree nearby can be seen in the image Two air-conditioners on the wall of the building can also ... restricted by introducing some definite principles in placing antennas, it is not unrealistic to search out all the possibilities involved in them Fortunately, there are apparent regular patterns in the ... are summarized And some original work by the authors, including the restricted search method by exploiting general structure of MRLAs and combinatorial methods for constructing thinned circular...

Ngày tải lên: 21/06/2014, 11:20

... The sampling spacing on the measurement surface is /2 following rectilinear axis (planar and cylindrical scanning) and /2(R+) for angular variable (cylindrical and spherical scanning), R is ... The interference between ground plane and receiving antenna and its effect on the radiated EMI measurement uncertainty 215 11 X The interference between ground plane and receiving antenna and its ... results in two equations on Aax and Aay and it is enough to invert this linear system of equations to obtain Aax and Aay Different coordinates systems comparison In the case of planar cartesian and...

Ngày tải lên: 21/06/2014, 11:20

... influence on array beampatterns 241 are used This effect can be increased depending on the sensor spacing and the directive factor In Table 2, SLL1 and  SLL versus steering angle, spacing and ... 0916-8516 M Brandstein, and D Ward (2001) Microphone Arrays Signal Processing Techniques and Applications, Springer-Verlag, ISBN 3-540-41953-5, Berlin M Bray, D Werner, D Boeringer, and D Machuga ... first sidelobe level C=1 a) Spacing=λ/2 and θ0=0º; b) Spacing=λ/2 and θ0=20º; c) Spacing=0.25λ and θ0=0º; d) Spacing=0.25λ and θ0=20º Analysis of directive sensor influence on array beampatterns...

Ngày tải lên: 21/06/2014, 11:20

... distribution of rain attenuation along a km link obtained using various statistics of wind velocity compared to that obtained using ITU-R method Measurement and modeling of rain intensity and attenuation ... obtained from SST on East-West and North-South links compared to those from the three-segment link Modelling of rain intensity and attenuation 3.1 Space-time distribution of rain intensity and ... measured rain events in Indonesia have been the focus of this project, primarily due to the difficulty in implementing rain-resistant systems in microwave and millimeter-wave bands in tropical...

Ngày tải lên: 21/06/2014, 11:20