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solving a system of linear equations and application in simulating urban structure

McKenzie   examples in structural analysis

McKenzie examples in structural analysis

Kiến trúc - Xây dựng

... studying and using handmethods of analysis based on the same concepts and principles, e.g equilibrium, energy theorems, elastic, elasto-plastic and plastic behaviour and mathematical modelling In addition ... vibration induced by wind loading, earthquake loading, moving machinery, vehicular traffic etc., have a non-zero value for a the acceleration In the case of analyses carried out on the basis of ... encompass a wide range of parameters such as; cross-sectional area, position of the centroid and the elastic neutral axes, the second moment of area about the centroidal axes and any parallel axes...
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combining discrete orthogonal moments and dhmms for off-line handwritten chinese character recognition

combining discrete orthogonal moments and dhmms for off-line handwritten chinese character recognition

Tin học

... pre-processing, frames generation and feature extraction stage In the training phase, after applying pre-processing steps including binarization, noise removal, boundary obtainment, and size normalization, ... moments are computed and saved in advance Then in the feature extracting stage, all coefficients are loaded to memory from hard disk and used as constants to join the real-time calculation of Tchebichef ... work detailed in this paper deals with the recognition of the isolated unconstrained off-line handwritten Chinese amount in words including Chinese characters from V to X and JU All the handwritten...
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Báo cáo hóa học:

Báo cáo hóa học: "Review Article Building Local Features from Pattern-Based Approximations of Patches: Discussion on Moments and Hough Transform" pdf

Hóa học - Dầu khí

... rotational invariance Several examples of patterns of interest are given in Figure As shown in the figure, patterns are defined over circles of an arbitrary radius R, and each instance of a pattern ... degrading the overall quality of images, (3) are robust against visual intrusions that not a ect the actual patterns of interest, and (4) produce sharp maxima for the actual locations of the patterns ... localization of the pattern-based features should be again based on detecting local maxima of similarity In the future applications, we plan a combination of this similarity measure with secondary...
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Báo cáo sinh học:

Báo cáo sinh học: "Bending out and breaking away: host-cell accomplices in retroviral escape" pot

Báo cáo khoa học

... affecting membrane curvature [31] as well as binding and deforming liposomes into tubules [32] It can bind to proline-rich domains in multiple cellular proteins, including dynamin and synaptojanin ... directly about the function of endophilin 2, but endophilin is a 40 kDa cytoplasmic protein containing an amphipathic domain at the amino terminus as well as a Src homology (SH3) domain near the carboxyl ... endocytosis involving invagination into the cytoplasm whereas MVB formation and virus budding involve evagination, away from the cytoplasm It seems likely that much of the protein machinery mediating...
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Báo cáo y học:

Báo cáo y học: "Potential Adverse and Allergic Reactions from Complementary and Alternative Medicine and Dietary Supplements" pptx

Báo cáo khoa học

... unconsciousness and regulating vital energy and alleviating pain The indications included for curing coronary diseases and used in such syndromes as feeling oppression in the chest and angina pectoris (breast ... traditional family formula of 300 years’ history and on sale in Southeast Asia and North America, and South America for over 70 years Indications included flu, rhinitis, 69 cough, vomiting, abdominal ... clinical units of Guangdong, Shanghai, Zhejing, Jiangsu and Auhui, etc Its angina pectoris efficacy ratio was 34.7%, total efficacy ratio 85.6%, electrocardiogram efficacy ratio 20.1%, and a...
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Báo cáo khoa học:

Báo cáo khoa học: " Correction of patient positioning errors based on in-line cone beam CTs: clinical implementation and first experiences" pptx

Báo cáo khoa học

... application The achievable high image quality and the accuracy of the system allow a reasonable handling of interfractional setup errors and organ motion However, besides the disadvantage of having ... overall procedure Using an in- line imaging setup attached to the gantry of the linear accelerator allows to overcome these disadvantages Such an equipment consisting of an x-ray tube and a flat ... customized fixation device Patients with prostate cancer and paraspinal tumors were immobilized by a wrap-around body cast and a head mask For treatment of the thoracic and headand-neck-region, a vacuum...
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Reactions of pyridazine and some gaseous oxides on the GE(100) surface

Reactions of pyridazine and some gaseous oxides on the GE(100) surface

Cao đẳng - Đại học

... lower melting point of Ge also allows the fabrication at a lower temperature and easy treatment Now, these advantages make Ge a shifting back as a promising candidate for next generation of semiconductors ... main drawback to hinder the wide applications of Ge is the poor chemical stability of its native oxide layer towards atmosphere and water [4] The noncompact structure of GeO2 also allowed facile ... weaker than that of aliphatic amines Instead, the neighboring carbon binds to Ge atom, and the H atom from the N-H group approaches another Ge atom, forming a five member ring transition state [84]...
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Direct asymmetric vinylogous reactions of furanones and phthalide derivatives with bifunctional and trifunctional organocatalysts

Direct asymmetric vinylogous reactions of furanones and phthalide derivatives with bifunctional and trifunctional organocatalysts

Cao đẳng - Đại học

... studies of Jacobsen,29 List and Barbas,30 MacMillan31 and Maruoka,32 the field of organocalysis has become a hot research area and a vast large number of organic catalysts have appeared in the past ... prevalent in most natural products and pharmaceutical agents According to a chirality analysis by Dictionary of Natural Products (DNP), the average chiral centers existing in drugs and natural products ... Cascade Michael-aldol reaction catalyzed by cinchona alkaloid catalyst Scheme 1.31 Strecker synthesis of amino acids employing guanidine catalysts Scheme 1.32 Axially chiral guanidinium catalysts...
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Surface and interfacial reactions involving inorganic and organic semiconductor substrates

Surface and interfacial reactions involving inorganic and organic semiconductor substrates

Cao đẳng - Đại học

... appreciate the assistance and cooperation from lab technologists and offices of Institute of Materials Research and Engineering (IMRE) and Department of Chemical and Biomolecular Engineering Finally, ... formations of Ga-S and As-S bonds at surface play an important role in the reduction in the surface recombination velocity Sandroff et al initially reported a decrease in band bending for Na2S and ... spectra of the GaAs-PMMA hybrids interface (Sample PMMA1, Table 3.2) Figure 3.11 AFM images of (a) the HCl-etched GaAs surface and (b) the GaAsPMMA hybrid (Sample GaAs-PMMA4, Table 3.2) surface...
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Probing transient species in plasmas and photodissociation reactions using infrared and raman laser spectroscopy

Probing transient species in plasmas and photodissociation reactions using infrared and raman laser spectroscopy

Cao đẳng - Đại học

... Gomez-Aleixandre, O Sanchez, A Castro and J.M Albella, J Appl Phys 74, 3752 (1993) 68 R S Yalamanchi and K S Harshavardhan, J Appl Phys 68, 5941 (1990) 69 Y Hirose, S Amanuma and K Komaki, J Appl ... in sensitivity and detection speed have been achieved and an increasing number of laser-based gas monitoring applications have been reported Diode lasers, in general, continue to find applications ... be abundant in methane/argon and hydrogen/methane/argon plasmas at high argon fractions (>50%) By investigating the plasmas using OES, they found the emission intensity of C2 to increase linearly...
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Theoretical studies of engertics, structures and chemical reactions on carbon and BN surfaces and related molecules

Theoretical studies of engertics, structures and chemical reactions on carbon and BN surfaces and related molecules

Thạc sĩ - Cao học

... composed of benzenoid rings in the case of a simple cyclacene and the annulenic peripheral rings When the hexangonal rings are made of alternating B and N atoms rather than benzene rings, the borazine ... analog of benzene and is obtained by replacing each carbon atom with alternating boron and nitrogen atoms When a sheet of borazine is folded in the same way as benzene in cyclacene, borazine cyclacene ... diamond, which makes c-BN a diamond-like material Similar to diamond, c-BN has interesting thermal, electrical and optical properties as well as a very large band gap [53,54] There are at least...
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Catalytic fast pyrolysis of biomass the reactions of water and

Catalytic fast pyrolysis of biomass the reactions of water and

Hóa học - Dầu khí

... deoxygenated aromatics and an increase in olefin and phenols production The decrease in aromatic formation was attributed to partial decoupling of aromatization reactions from olefin formation Similar ... because large amounts of carbon are lost through formation of light gases and excessive coking of the catalyst Catalyst coking also results in fouling and rapid deactivation, which means that ... fluidizing gas consisted of He and/ or steam at various vapor fractions of steam Initially, the catalyst was pretreated with steam This changed the structure of the catalyst leading to reversible and...
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Báo cáo toán học:

Báo cáo toán học: " Existence and uniqueness of nonlinear deflections of an infinite beam resting on a non-uniform nonlinear elastic foundation" pptx

Toán học

... elastic foundation are analyzed in Section 3, and a close investigation on the basic integral operator K, which has an important role in both linear and nonlinear beam equations, is performed in ... fields of engineering, because of its practical design applications, say, to highways and railways The analysis of the problem is thus of interest to many mechanical, civil engineers and, so on: a ... to lateral forces, was investigated by many techniques [1–8] In contrast to the problem of beams on linear foundation, Beaufait and Hoadley [9] analyzed elastic beams on “nonlinear” foundations...
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báo cáo hóa học:

báo cáo hóa học:" Existence and uniqueness of nonlinear deflections of an infinite beam resting on a non-uniform nonlinear elastic foundation" docx

Hóa học - Dầu khí

... elastic foundation are analyzed in Section 3, and a close investigation on the basic integral operator K, which has an important role in both linear and nonlinear beam equations, is performed in ... fields of engineering, because of its practical design applications, say, to highways and railways The analysis of the problem is thus of interest to many mechanical, civil engineers and, so on: a ... to lateral forces, was investigated by many techniques [1–8] In contrast to the problem of beams on linear foundation, Beaufait and Hoadley [9] analyzed elastic beams on “nonlinear” foundations...
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A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell

A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell

Sinh học

... is used to analyse and evaluate the performance of a planar and a tubular-shaped PEM fuel cell 2.1 Computational domain The full computational domains for the planar and tubular-shaped PEM fuel ... conditions are specified at all external boundaries of the computational domain as well as boundaries for various mass and scalar equations inside the computational domain 2.3.1 Inlets The inlet values ... is change for planar shape, where under the land areas a noticeable decrease takes place It can be seen that for a planar shape, a high fraction of the current is generated at the catalyst layer...
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35768 Study of Electrode Reactions and Interfacial Properties

35768 Study of Electrode Reactions and Interfacial Properties

Hóa học - Dầu khí

... linear potential scan perturbations of an OTE (28) This voltabsorptometric approach results in an optical analog of a voltammetric experiment A dA/dE–E plot (obtained by differentiating the absorbance ... the early STM work has focused on investigating surfaces in vacuum, more recent work has demonstrated that surface images can also be obtained in liquid and air In particular, the STM probing of ... surface The impedance of the interface, derived by application of Ohm’s law, consists of two parts, a real number Z′ and an imaginary one, Z″: 60 STUDY OF ELECTRODE REACTIONS AND INTERFACIAL PROPERTIES...
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Recording Your Questions and Reactions

Recording Your Questions and Reactions

Kỹ năng đọc tiếng Anh

... Read it again carefully Edward Wilson was an outstanding employee and a great supervisor He was a nice guy, too Now take a look at how a reader evaluated this paragraph: • What made him such a ... discussed in this chapter Read the following passage carefully and record your questions and reactions in the margins Be sure to include some evaluation of the passage Safety in the Workplace The ... whom you either agreed or disagreed passionately P RACTICE Read the following passage carefully and actively As you read, record your questions and reactions in the margins Imagine how wonderful...
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