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Số học tổ hợp của GS Vũ Hà Văn and GS Tao

Số học tổ hợp của GS Vũ Hà Văn and GS Tao

Ngày tải lên : 31/10/2014, 15:00
... Incidence geometry The crossing number of a graph The Szemer´ di–Trotter theorem e The sum-product problem in R Cell decompositions and the distinct distances problem The sum-product problem in other ... length (if the progression is improper) of the progression P However, as it would be cumbersome continually to use this sextuple, we shall usually just P to denote the progression Prologue xviii ... suffices to prove that a properly defined random subset of A satisfies P with positive probability The power of the probabilistic method has been justified by the fact that in most problems solved...
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Effect of urban emissions on the horizontal distribution of metal concentration in sediments in the vicinity of Asian large cities

Effect of urban emissions on the horizontal distribution of metal concentration in sediments in the vicinity of Asian large cities

Ngày tải lên : 05/09/2013, 09:08
... seven roadside deposit samples were collected in Manila, Philippines from 2002 to 2003 A total of 83 roadside deposit samples were collected in Meguro - Ohta - Setagaya, Tokyo, Japan and 81 roadside ... those taken from the northwest part of the lake The sediments originating from natural erosion and flow into the lake from surrounding mountains were considered to contain 20 mgPb/kg and 110 mgZn/kg ... and Environment Technology, Vol.4, No.1, 2006 Roadside deposits Roadside deposit is one of the possible origins of polluted sediments in receiving waters The metal concentrations in the roadside...
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Tài liệu Organic matter distribution of the root zone in a constructed subsuface flow wetland pptx

Tài liệu Organic matter distribution of the root zone in a constructed subsuface flow wetland pptx

Ngày tải lên : 24/01/2014, 00:20
... plants transport approximately 90% of the oxygen available in the root zone (Lee, 2007) Such the oxygen in the root zone supports the aerobic decomposition process of OM and the growth of nitrifying ... discussion From the surface to the depth 10 cm, the originally yellow sand is mixed with the OM due to decomposing plants From 10 cm to 40 cm, the sand is still yellow and clean with numerous roots From ... 20 cm, 50 cm and 80 cm from the surface In horizontal direction, there are five cross-sections of system for the sampling with the distances from the inflow sand bed cross-section 0.5 m, 1.0...
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Tài liệu Global Change and the Function and Distribution of Wetlands ppt

Tài liệu Global Change and the Function and Distribution of Wetlands ppt

Ngày tải lên : 18/02/2014, 20:20
... various plant parts provide for interpreting and reconstructing past and future environments and climate, fossil plant remains provide proxies from which reasonably robust paleoenvironmental interpretations ... (landscape) variation, environmental setting, or biological processes For example, Hayashi et al (2010) were able to show that the species growing around Lake Biwa, Japan, were strongly affected by long-term ... resistant to the strong acids and bases, which are used to extract them from sedimentary rock Palynology has been the primary technique employed to document vegetation response to past environmental...
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Tài liệu Báo cáo khoa học: Distribution of class I, III and IV alcohol dehydrogenase mRNAs in the adult rat, mouse and human brain ppt

Tài liệu Báo cáo khoa học: Distribution of class I, III and IV alcohol dehydrogenase mRNAs in the adult rat, mouse and human brain ppt

Ngày tải lên : 21/02/2014, 00:20
... detected: pyramidal neurons in cortex cerebri, CA3 pyramidal neurons as well as dopamine neurons of substantia nigra A particularly strong ADH3 signal was detected in neurons of the human red ... Hybridization of probes to choroid plexus tissue gave rise to a strong signal for ADH3 mRNA but no specific signal Ó FEBS 2003 1320 D Galter et al (Eur J Biochem 270) Fig Bright- and dark-field micrographs ... brain tissue was reported [11] However, use of partially hydrolyzed ribroprobes in this study may have led to decreased specificity through cross-reactivity with, for example, ADH3, the ÔancestorÕ...
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Đề tài " The distribution of integers with a divisor in a given interval " ppt

Đề tài " The distribution of integers with a divisor in a given interval " ppt

Ngày tải lên : 06/03/2014, 08:21
... ∞, then Hr (x, y, z) = o(H(x, y, z)) Using the methods used to prove Theorem plus some additional arguments, we shall prove much stronger bounds on Hr (x, y, z) which will settle these three conjectures ... INTEGERS WITH A DIVISOR IN AN INTERVAL Corollary We have x (log x)1−δ (log log x)3/2 g(n) n≤x Proof The upper bound follows from g(n) ≤ τ + (n) and Corollary We also have g(2n) ≥ I(n), where ... ∗ (t; η) from those n with exactly k prime factors is then estimated in terms of an integral over Rk of an elementary but complicated function Strong estimates for this integral are proved in...
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Báo cáo khoa học: Spatio-temporal distribution of fatty acid-binding protein 6 (fabp6) gene transcripts in the developing and adult zebrafish (Danio rerio) pptx

Báo cáo khoa học: Spatio-temporal distribution of fatty acid-binding protein 6 (fabp6) gene transcripts in the developing and adult zebrafish (Danio rerio) pptx

Ngày tải lên : 07/03/2014, 06:20
... between zebrafish linkage group (chromosome) 21 and human chromosome 5, rat chromosome 10 and mouse chromosome 11 Chromosomal position Zebrafish Human Rat Genes Linkage group c6 c7 rpl37 fgf10 taf9 ... lipid-binding protein, intestinal 15 kDa protein, ileal bile acid-binding protein and gastrotropin, reflecting the speculations of authors on its intracellular function(s) In vitro binding assays ... primers to exon and intron 2, repectively (see Fig and Experimental procedures), the zebrafish fabp6 gene was mapped to linkage group (chromosome) 21 at a distance of 26.79 cR from the marker fc08c06,...
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A New Map of Hollywood: The Production and Distribution of American Motion Pictures pot

A New Map of Hollywood: The Production and Distribution of American Motion Pictures pot

Ngày tải lên : 07/03/2014, 15:20
... negotiations of 1993 when, under the prompting of the European Union backed up strongly by France, audiovisual products were exempted from the trade liberalization provisions contained in the final ... than approaches based on the erroneous proposition that cultural products are essentially just inert commodities like steel or car parts CONCLUSION With the steady improvement of electronic methods ... Table stem from the different sources used ventures, the majors work in a range of protocols, though in probably the majority of cases these grant significant control to the majors over production...
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Báo cáo khoa học: "Analysis and Synthesis of the Distribution of Consonants over Languages: A Complex Network Approach" pptx

Báo cáo khoa học: "Analysis and Synthesis of the Distribution of Consonants over Languages: A Complex Network Approach" pptx

Ngày tải lên : 08/03/2014, 02:21
... the probability of the 22nd consonant being chosen is, 20 21 i P (22) = p i=0 pi (1 − p)21−i where 21 i denotes the probability of choosing i consonants from the first 21 In general the probability ... Inferences: It is quite evident from our observations that the breakpoint x has a strong correlation with the average consonant inventory size, which therefore plays a key role in the emergence of the ... consonant inventories through a bipartite network called PlaNet, • Provide a systematic study of certain important properties of the consonant inventories with the help of PlaNet, • Propose analytical...
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Doctor of Philosophy in Mathematics Linear and Non-linear Operators, and The Distribution of Zeros of Entire Functions

Doctor of Philosophy in Mathematics Linear and Non-linear Operators, and The Distribution of Zeros of Entire Functions

Ngày tải lên : 10/03/2014, 16:15
... has all real roots, and (ii) ∆ < if and only if f has non-real roots, whether a = or not One can easily see from Proposition that the discriminant of any polynomial with only real zeros will be ... zeros of g(z) lie in (−1, 0), then the zeros of h(z) also lie in K (iii) If the zeros of f (z) lie in (−a, a) and the zeros of g(z) lie in (−b, 0) (or in (0, b)), where a, b > 0, then the zeros ... Br¨nd´n (Propositions 157 and 158), some answers to questions posed by S Fisk (Theorems a e 160, 161, and Propositions 170, 174), a result on the location of zeros of a hypergeometric function (Proposition...
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Health supplier quality and the distribution of child health ppt

Health supplier quality and the distribution of child health ppt

Ngày tải lên : 14/03/2014, 09:20
... w/o controls w/o controls with controls with controls Top 10% of sex specific BMI at years w/o controls with controls Mother reported asthma at 81 months w/o controls with controls w/o controls ... of log birth weight w/o controls with controls Lowest 5% of log birth weight w/o controls with controls Eight or more symptoms at 81 months w/o controls with controls Poor motherreported child ... child health at 81 months w/o controls with controls Top 10% of sexspecific BMI at years w/o controls with controls Asthma at 81 months w/o controls with controls Preventative Care Rate of smear...
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Đề tài " Diophantine approximation on planar curves and the distribution of rational points " pptx

Đề tài " Diophantine approximation on planar curves and the distribution of rational points " pptx

Ngày tải lên : 15/03/2014, 09:20
... directly from Corollary of [6, §5] in the same way that Lemma is deduced from Lemma The proof of Theorem then follows on modifying the argument used to prove Theorem in §7 Note that Corollary 5, ... systems close to a curve in Rn Proof of Theorem 4.1 The ubiquity version of Theorem 4.2 An auxiluary lemma 4.3 Proof of Theorem Proof of Theorem Proof of Theorem Proof of Theorem Various generalizations ... follows This completes the proof of Theorem C Proof of Theorem 10 To prove Theorem 10 we proceed as follows For any fixed η we construct a Cantor subset Kη of Λ(R, β, Ψ) and a probability measure μ supported...
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Báo cáo khoa học: Differential tissue-specific distribution of transcripts for the duplicated fatty acid-binding protein 10 (fabp10) genes in embryos, larvae and adult zebrafish (Danio rerio) docx

Báo cáo khoa học: Differential tissue-specific distribution of transcripts for the duplicated fatty acid-binding protein 10 (fabp10) genes in embryos, larvae and adult zebrafish (Danio rerio) docx

Ngày tải lên : 16/03/2014, 00:20
... on chromosome 16 and fabp10b gene on chromosome 19 show conserved gene synteny with the chicken FABP10 gene on chromosome 23, which suggests that the zebrafish chromosomes 16 and 19 arose from ... determined by RT-PCR amplification from total RNA extracted from various tissues A fabp10b-specific RT-PCR product of the expected size was amplified from total RNA extracted from liver, intestine, muscle, ... 503-bp fragment from a cDNA template prepared from total RNA isolated from a whole zebrafish The single product of the expected size was generated and cloned into the pGEM-T vector (Promega, Madison,...
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Selective Distribution of Luxury Goods in the Age of e-commerce An Economic Report for CHANEL doc

Selective Distribution of Luxury Goods in the Age of e-commerce An Economic Report for CHANEL doc

Ngày tải lên : 16/03/2014, 09:20
... available 11 Conflicts arising from carrying products of competing manufacturers 31 A retailer may have less of an incentive to carry a product of the manufacturer or make a strong effort to win sales ... of the product across points of sale may therefore be very important to the overall valuation of the product by consumers in this industry 55 The presentation of the product (e.g the product display) ... and have a specialist in-store advisor provide feedback Physical proximity to the product and the sales person providing the feedback is essential for providing the service None of this is possible...
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Báo cáo khoa học: Distribution of the lipolysis stimulated receptor in adult and embryonic murine tissues and lethality of LSR–/– pdf

Báo cáo khoa học: Distribution of the lipolysis stimulated receptor in adult and embryonic murine tissues and lethality of LSR–/– pdf

Ngày tải lên : 16/03/2014, 18:20
... test-cross offspring by Southern blot analysis of DNA obtained from tail biopsy Male and female test-cross offspring heterozygous for the null allele were intercrossed to obtain formal proof of ... maintained by back-crossing heterozygous males with C57BL/6, 129/Sv and MF1 females at each generation Mice at back-cross generation 1–6 were intercrossed to provide the homozygous null, heterozygous null ... strain of transgenic LSR knockout mice was established However, from a total progeny of 345 mice derived from intercrossing LSR heterozygote (LSR+/–) animals, only three viable homozygote (LSR–/–)...
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Learning the Distribution of Object Trajectories for Event Recognition docx

Learning the Distribution of Object Trajectories for Event Recognition docx

Ngày tải lên : 16/03/2014, 19:20
... that have been back projected onto the ground plane The use of the image plane avoids introducing errors associated with the transformation of coordinates from the image to ground plane Since each ... ; kx(t ) p mi(t )k ; N (6) Thus Oi (t ) decreases linearly from one to zero as the distance from x(t ) to mi (t ) increases p from zero to N The form of this output is not important until we add ... 5.2 Method From equation 6, the output nodes of our competitive learning network produce an activation which decreases linearly from one to zero as the distance between the node’s prototype p...
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Báo cáo khoa học: " THE DISTRIBUTION OF WORD LENGTH IN TECHNICAL RUSSIAN" pdf

Báo cáo khoa học: " THE DISTRIBUTION OF WORD LENGTH IN TECHNICAL RUSSIAN" pdf

Ngày tải lên : 16/03/2014, 19:20
... Relejno-Kontaktnyx Sxem," Doklady Akademii Nauk SSSR, 70, pp 421-23 K V Valdimirskij, 1951, "O Sinxronnom Fil'tre," Zhurnal Eksperimental'noj i Teoreticheskoj Fiziki, 21, pp 2-10 B P Aseev, 1947,...
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Báo cáo " Quantitative distribution of groundwater chemical components in the Red River Delta based on frequency analysis " pot

Báo cáo " Quantitative distribution of groundwater chemical components in the Red River Delta based on frequency analysis " pot

Ngày tải lên : 22/03/2014, 12:20
... the  probability  distribution  of  some  main  ions  in  groundwater  in  RRD  and  to  propose  a  comprehensive  data  processing  technique.  Data  used  in  this  work  are  originated  from  ... of  about  13.6  m,  while  the  depth  to  the top and to the bottom of groundwater table  varies from 5 m to 10 m and from 15 m to 20 m  respectively [4].  Chemical  compositions  and  some  ... varies  from  15.26  to 2428.6 mg/l. The range of 100‐700 mg/l plays  the major role. Frequency polygon of bicarbonate  ions  possess  a  nearly  symmetric  form  with  maximum  point  ranging  from ...
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Where Do Older Americans Live? Geographic Distribution of the Older Population potx

Where Do Older Americans Live? Geographic Distribution of the Older Population potx

Ngày tải lên : 22/03/2014, 13:20
... compared to older individuals living in metropolitan areas.17 Population Growth in Metropolitan Areas Several large metropolitan areas experienced high growth of the older population between 1990 ... target groups and that program development, advocacy, and outreach efforts be focused on these groups Service providers are required to meet specific objectives set by area agencies for providing ... Population Introduction The U.S population age 65 and older grew steadily through most of the 20th century U.S Census Bureau population projections to 2030 indicate that further and more dramatic growth...
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“Net Neutrality,” Non-Discrimination and Digital Distribution of Content Through the Internet* docx

“Net Neutrality,” Non-Discrimination and Digital Distribution of Content Through the Internet* docx

Ngày tải lên : 23/03/2014, 03:20
...  Figure Network Profit Streams and Access Fee, s* Network profit from users s s* Total network profit Network profit from access fees Figure Network Profits, Application Profits, and Total Industry ... sets of protocols, primarily Transmission Control Protocol/Internet Protocol (“TCP/IP”) These protocols define three basic levels of functions in the network: (1) the hardware/electronics level ... profit from the application firm increases by q1 and dq decreases by s | ds1 | 33 The network’s choice of s maximizes the sum of the two profit streams The effect of s on the network profit from...
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