the data of 1510 bytes therefore must be split between two f
bài giải bài tập truyền số liệu
... knows that there is an error, and discards the packet 17 The maximum data size in the Standard Ethernet is 1500 bytes The data of 1510 bytes, therefore, must be split between two frames The standard ... ARQ, if m is the number of bits for the sequence number, then the size of the send window must be at most 2m−1; the size of the receiver window is always In Selective-Repeat ARQ, the size of the ... the message) The Hamming distance between two words (of the same size) is the number of differences between the corresponding bits The Hamming distance can easily be found if we apply the XOR operation...
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Báo cáo khoa hoc:" Perfluorodecaline residue in the anterior chamber of a patient with an intact crystalline lens: a case report" ppt
... Some of these changes may be reversible if perfluorodecaline is aspirated from the anterior chamber [3] It is assumed that mechanical or the barrier effects of perfluorodecaline may cause the ... Journal of Medical Case Reports 2008, 2:13 http://www.jmedicalcasereports.com/content/2/1/13 Figure Colour images of the retina before and after operation Colour images of the retina before and after ... management of the case Acknowledgements The authors declare that no funding was required for the writing and submission of the manuscript References Chang S, Lincoff H, Zimmerman NJ, Fuchs W: Giant...
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báo cáo hóa học:" Research Article Resource Allocation for the Multiband Relay Channel: A Building Block for Hybrid Wireless Networks" ppt
... meaningful because of the following two observations First, if there is more than one band available for the link between the relay and the destination, then only the best band among them will be used ... received by the destination Therefore, direct link transmission should be used for this band, regardless of what scheme is used for the other bands On the other hand, if η j < χ j , then the relay ... better than the current SD link Comparing k = and k = 2, we observe that the achievable rate of k = is better than that of k = This is because quality of the new link is better than that of the...
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Tài liệu Báo cáo Y học: Thermostability of manganese- and iron-superoxide dismutases from Escherichia coli is determined by the characteristic position of a glutamine residue pdf
... metal at the active site The presence of iron is therefore a prerequisite for its effect and suggests that the absence of reactivity with the MnSOD mutants is due to the lack of activity in these ... was found to be the most thermostable of the enzymes studied, and maintained almost full activity for over one hour (Fig 6) In contrast, Fe[A141Q] was found to be the most thermolabile of the ... activity Hydrogen peroxide, the product of the SOD reaction, is an inhibitor of SODs and an inactivator of FeSOD It is often used to distinguish between the two types of isoenzyme, particularly...
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Báo cáo Y học: Incorporation of 3-nitrotyrosine into the C-terminus of a-tubulin is reversible and not detrimental to dividing cells potx
... vitro the possibility that substitution of C-terminal tyrosine of a-tubulin by 3nitrotyrosine alters the ability of the molecule to form microtubules For this purpose, we studied the behavior of ... significant differences in either the aspect of microtubules or the amount of amorphous aggregates or microtubular structures (data not shown) Resuspension of pellets in cold buffer (0 °C for 30 min) ... areas of health care has reinforced efforts to understand mechanisms of cell injury and death during pathological conditions Idriss hypothesized [19,20] that the selective cytotoxic effect of TNFa...
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Báo cáo hóa học: " Research Article On the Throughput Capacity of Large Wireless Ad Hoc Networks Confined to a Region of Fixed Area" pptx
... completes the proof of the lemma , where we have used (31) in the last step The proof is complete Let C T be sample mean of the “quantum” of the transport capacity CT,ii : Now, let n< be the number of ... SINR and hence, independence of the throughput √ the node density Thereof fore, the effect found in [1] (1/ n dependence due to the increase of the number of relays between sources and destinations) ... is the increase of the throughput with node density due to the increase of received power to noise ratio The second effect is the decrease of the throughput due to the increase of the number of...
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EFFECTIVE THERMAL INSULATION – THE OPERATIVE FACTOR OF A PASSIVE BUILDING MODEL ppt
... is therefore imperative to separate it from the inner roof, to provide for the dispersion of heat from the space between the tow and to use a reflective surface on them both The surface of the ... institute) One of the best qualities of the modern movement is its increasing awareness of the connection between the space within building and the space around them, and of the interdependence of building ... that the sun-shading devices are often located between the The double skin façade consists of two layers of materials, with air space between the two layers preserved, the principal’s roles of curtain...
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Báo cáo toán học: "The Quantum Double of a Dual Andruskiewitsch-Schneider Algebra Is a Tame Algebra" pdf
... and AR-quivers of the quantum doubles of the duals of the generalized Taft algebras explicitly and show that these quantum doubles are tame The structures of basic Hopf algebras of finite representation ... Ku,j Lemma 2.14 For ≤ s ≤ d− < 2j + u − >− −1, the elements X s Ku,j and X s Fu,j are linearly independent Proof The proof of this lemma is same to the proof of Lemma 2.18 in [7] For completeness, ... of tame Hopf algebras The Andruskiewitsch-Schneider algebra is a kind of generalization of generalized Taft algebra and of course Taft algebra Therefore, it is natural to ask the following question:...
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Báo cáo toán học: "The characteristic polynomial of a graph is reconstructible from the characteristic polynomials of its vertex-deleted subgraphs and their complements" doc
... polynomials from the two decks belong to a vertex-deleted subgraph and its complement This is crucial to the proof of Theorem 3.1 Finally, the referee noted that the result from the title can be reformulated ... polynomials of the pairs G7 , H7 , G11 , H12 and G12 , H11 differ only in their respective coefficients of x The list of the characteristic polynomials of the vertex deleted subgraphs of the two graphs ... u ∈ V (G)}? The vertexdeleted subgraphs are not essential to reconstruct the elementary invariants of a graph For example, the number of edges of a graph is determined from that of the subgraphs...
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Báo cáo toán học: "The crossing number of a projective graph is quadratic in the face–width" doc
... disjoint from V (G) The faces of G traversed by γ then define in this order the vertex set of a noncontractible dual cycle C ∗ , and so ≤ |V (C ∗ )| ≤ r∆/2 Proof of Theorem 1.2 The idea of the previous ... planar distances) • Let F be the set of edges of G intersected by the (dual) edges of C ∗ Then G − F is actually a plane embedding, and we easily add the edges of F back to G − F , making a plane ... This gives the following special (planar) version of Theorem 1.1 Theorem 3.4 If G embeds in the projective plane with face–width at least r ≥ 6, then the crossing number crg (G) of G in the plane...
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Báo cáo toán học: "The maximum size of a partial spread in H(4n + 1, q 2) is q 2n+1 + 1" docx
... where Pij is the eigenvalue of the relation Rj for the eigenspace Vi , is the matrix of eigenvalues of the association scheme If ∆m is the diagonal matrix with (∆m )ii the dimension of the eigenspace ... ci are known as the intersection numbers of the distance-regular graph Γ If θ is any eigenvalue of a distance-regular graph Γ, then there is a series of eigenvalues {vi } of the associated i-distance ... diameter d + 1, and two generators are at distance i of each other if and only if they meet in a (d − i)-space We refer to [4] for the valency k and the intersection numbers bi and ci of the dual polar...
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Báo cáo toán học: "The toric ideal of a matroid of rank 3 is generated by quadrics" pps
... Figure 10) Note that the flat of rank is included in the flat of rank by submodularity Then a set, of size 3, consisting of one of cfi, one of ekl, and one of ghj must be a base because of the following ... bei, cfh} appears in the first case of size 9 (the fourth figure of Figure 5) 3.3 Last case of size We consider the last case of a matroid on a set of size 9, illustrated in the third figure of Figure ... First case of size We consider the first case of of a matroid on a set of size We use letters to label the vertices, as in the first figure of Figure Figure 2: First case of size If aef is a base,...
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Báo cáo y học: " Induction of the HIV-1 Tat co-factor cyclin T1 during monocyte differentiation is required for the regulated expression of a large portion of cellular mRNAs" pptx
... of the carboxyl-terminal domain of RNAP II, the Spt5 subunit of the DSIF complex, and the RD subunit of the NELF complex, therefore overcoming blocks to RNAP II processivity [4-6] A number of ... To quantify the minimum number of PMA-regulated genes affected by the knock-down of cyclin T1, the list of genes affected by cyclin T1 knock-down were compared to the list of genes affected by ... data does not address whether the genes affected by the depletion of cyclin T1 are direct targets of cyclin T1/P-TEFb, rather than the results of indirect effects that arise from a cascade of...
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KẾT CẤU MỚI THE ENVIRONMENTAL CONSEQUENCES OF A BUILDING WITH A WIDE SPAN
... ^LAl Formation of a layer of hot gases Fig The thermal equilibrium of any part of the world is affected by ventilation We not particularly think of the hottest parts of the world as being places ... part of the field of view just fails to saturate any cells Of course the dimmest part of the field must provide enough light for good, fast colour vision Thus, there is a maximum ratio of brightest ... field of view reflects back a diverse field of light because of different reflection coefficients and different colours The lighting/seeing is pretty adequate despite being viewed in very diffuse...
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The Marketing Strategy of a multinational join stock company.doc
... to be the best, that is to establish a network of representative offices throughout the country Promotion: this is one of the weaknesses of a multinational join stock company For the purpose of ... something of value in return for something of value Or in other words, it’s the process of transferring between two or more parties of tangible or intangible items of value Cash, debt, time, votes, behavior, ... of customers is satisfies and the defined objectives accomplished ”3.Though there are many definitions, a central part of any definitions of marketing is the exchange process – the process of...
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Tài liệu Issues Involved When Updating the Primary Key of a Parent Row pptx
... value in the primary key column of the primary key table (the parent table) is also made to the foreign key column of the corresponding rows of the foreign key table (the child table) For example, ... Indicates that the DataColumn values in the child DataTable are to be set to the value in the DefaultValue property of the DataColumn SetNull Indicates that the DataColumn values in the child DataTable ... changed the CustomerID in the row of the Customers table from ALFKI to ANATR; this would also cause the CustomerID column to change from ALFKI to ANATR in the rows of the Orders table Similarly, the...
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Tài liệu Exporting the Results of a Query to an Array pdf
... 0); // If the number of rows to export is specified as greater than 0, // set the number of rows to export as the lesser of the number // specified and the number of rows calculated in the table ... specified, set the number of columns to the // number of columns in the table; otherwise, set the number of // columns to the number of items in the specified columns array int nCols = (colName ... an array of field values corresponding to the values in the columns and rows selected from the table dt The DataTable to convert to the array rowCount The number of rows to export to the array...
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Tài liệu Báo cáo khoa học: Involvement of two positively charged residues of Chlamydomonas reinhardtii glyceraldehyde-3-phosphate dehydrogenase in the assembly process of a bi-enzyme complex involved in CO2 assimilation doc
... could be essential for the binding of CP12 The presence of this region at the interface of GAPDH and CP12 could also explain the kinetic changes observed for the binding of the substrate when the ... microscopy [40] could not be achieved, partly because of the lack of information regarding the solvent-exposed regions or the interfaces between the different partners of this complex These mutageneses ... molecular modelling of all mutant GAPDHs indicate no changes of the global structure of the mutants To test whether the interactions of these mutants with the other partners of the GAPDHCP12PRK...
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Tài liệu Báo cáo khoa học: "Learning the Latent Semantics of a Concept from its Definition" pptx
... hypotheses of latent vectors for the definition of bank#n#1 Learning Latent Semantics of Definitions 2.1 Intuition Given only a few observed words in a definition, there are many hypotheses of latent ... tune the parameters in wmfvec and other baselines based on SE2, and then directly apply the tuned models on other three data sets Data: The sense inventory is WN3.0 for the four WSD data sets WMF ... 2004 Wordnet::similarity - measuring the relatedness of concepts In Proceedings of Fifth Annual Meeting of the North American Chapter of the Association for Computational Linguistics Ravi Sinha...
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Báo cáo khóa học: Mutational and computational analysis of the role of conserved residues in the active site of a family 18 chitinase docx
... positioned in the ÔupÕ position rows and shows that in the presence of the substrate, rotation of Asp142 towards Glu144 lowers the pKa of the latter by 0.8 pH units The calculated effects of the D140N ... of the pH-activity profile must be determined by the loss of one or both of these protons Comparison of rows 1, and with rows and in Table shows that substrate-binding has drastic effects on the ... explanation for these observations is that Glu144 is ionized at the pH values where the wildtype and D142N curves merge, meaning that the effect of residue 142 on the acidity of the proton of Glu144 becomes...
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Tìm thêm: xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng 9 tr 25