... Trang 1On the S n -modules generated by partitions of a given shape Daniel Kane1 and Steven Sivek2 dankane@math.harvard.edu 2Department of Mathematics, Massachusetts Institute of Technology ... ssivek@math.mit.edu Submitted: May 12, 2008; Accepted: Aug 24, 2008; Published: Aug 31, 2008 Mathematics Subject Classification: 05E10 Abstract Given a Young diagram λ and the set Hλ of partitions of ... have eliminated the indices of summation a, b, c, j, and d in that order by using the identity ∞ X a=0 a j xa = x j (1 − x)j+1 in addition to the binomial theorem and repeated summation of
Ngày tải lên: 07/08/2014, 21:20
... Properties of test fuels Trang 3Table 2 Fatty acid composition of rice bran oil In C: N, C indicates the number of carbon atoms and N the number of double bonds of carbon atoms in the fatty acid chain ... may increase the smoke emission It can be observed from the above discussion that the values of performance and emission parameters are favorable at 21° CA bTDC of injection timing and 230 bar ... at standard injection timing (23° deg bTDC) and injection pressure (200 bar) The performance and emission parameters at the standard injection timing and pressure were investigated The variation
Ngày tải lên: 05/09/2013, 16:11
Đề tài " On the Julia set of a typical quadratic polynomial with a Siegel disk " ppt
... Trang 1Annals of Mathematics On the Julia set of a typical quadratic polynomial with a Siegel disk By C L Petersen and S Zakeri Trang 2On the Julia set of a typicalquadratic polynomial with ... replace the Euclidean area with the spherical area in the growth condition(2.7) David proved that the analogue of the measurable Riemann mapping orem [AB] holds for the class of David-Beltrami ... follows along the boundaries of drops passing from child to parent until it reaches the boundary of a drop U of minimal generation It then follows the boundary of U along a nontrivial arc I Finally,
Ngày tải lên: 14/03/2014, 22:20
Đề tài " The diameter of the isomorphism class of a Banach space " pdf
... Trang 1Annals of Mathematics The diameter of the isomorphism class of a Banach space By W B Johnson and E Odell Trang 2The diameter of the isomorphism classof a Banach space By W B Johnson and ... < ∞ then X as well as every isomorph of X is D(X)-elastic Thus the Main Theorem is an immediate consequence of Trang 4Theorem 1 If X is a separable Banach space and there is a K so that every ... mean that Y is a closed (infinite dimensional) subspace of X The closed linear span of the set A is denoted [A] We use standard Banach space theory terminology, as can be found in [LT] The material
Ngày tải lên: 15/03/2014, 09:20
Báo cáo khoa học: Esculentin-1b(1–18) – a membrane-active antimicrobial peptide that synergizes with antibiotics and modifies the expression level of a limited number of proteins in Escherichia coli doc
... of action; peptide–membrane interaction; proteomics Correspondence M L Mangoni, Unita` di Diagnostica Molecolare Avanzata, II Facolta` di Medicina e Chirurgia, Azienda Ospedaliera S Andrea, via ... natural sources for antimicrobial peptides, the granular glands of amphibian skin constitute one of the richest [14–16] Studies on the mode of action of amphibian antimicrobial peptides have mainly ... bacterial target, and underscores the fact that the bacterial membrane is the major target for the killing mechanism of Esc(1–18), rather than intracellular processes Abbreviations CFU, colony-forming
Ngày tải lên: 16/03/2014, 00:20
Báo cáo khoa học: The identification of a phospholipase B precursor in human neutrophils doc
... elastase and cathepsin G had no effects on the enzyme activa-tion Any bacterial contamination of our protein prep-arations that might be responsible for activation of the PLB precursor at prolonged ... which partly shifted from the major bands, coinciding with the appearance of a significant deacyla-tion activity Any bacterial contaminadeacyla-tion of our protein preparations that might be responsible ... deacylation activity However, the deacylation activity in the acid extracts of granules was low and the activity disappeared after the first sep-aration step, i.e gel-filtration chromatography on the
Ngày tải lên: 16/03/2014, 04:20
Báo cáo khoa học: The use of recombinant protein and RNA interference approaches to study the reproductive functions of a gonad-stimulating hormone from the shrimp Metapenaeus ensis ppt
... Trang 2in the stimulation of gonad maturation Injection ofprotein extract from thoracic ganglion or the brain can stimulate gonad maturation [8] In sand shrimp Metapenaeus ensis, two forms of ... of the eyestalk (open bar) and thoracic ganglia (diago-nally shaded bars) of females The percentage indicates the GSI of the females M (B) indicates the expression pattern of MIH-B in the same ... further research on the reproduc-tive function of MeMIH-B has been attempted, as there is a lack of a good bioassay system for the neu-ropeptide The recent cloning and characterization of the
Ngày tải lên: 16/03/2014, 05:20
Báo cáo khoa học: Characterization of the dimerization process of a domain-swapped dimeric variant of human pancreatic ribonuclease pdf
... expression of the partial heat capacity of the protein relative to the heat capacity of the protein in the native state. Fig 6 Analysis of the open interface of the dimeric form of PM8 (DPM8) Ribbon ... for the putative mechanism of domain-swapping dimerization of RNase A and the human pancreatic ribonuclease variant, PM8 For RNase A (A), the protein is subjected to conditions that favour the ... representation of the domain-swapped crystallo-graphic structure of the human pancreatic ribonuclease variant, PM8, showing the position and interatomic distances between the alpha carbons of residues
Ngày tải lên: 16/03/2014, 13:20
Báo cáo khoa học: Critical roles of Leu99 and Leu115 at the heme distal side in auto-oxidation and the redox potential of a hemeregulated phosphodiesterase from Escherichia coli pptx
... physicochemical characteristics such as auto-oxidation and the redox potential of the heme iron. We found that mutation of these hydrophobic amino acids substantially influences the rate of auto-oxidation ... In addition, the rate of auto-oxidation for L99F was fast but comparable to that of the L115F mutant (Table 2). The high rate constant for the disso- ciation of O 2 from the L99F mutant compared ... data based on our data and that of others have accuracies of % 3–5 mV. Even taking the accuracy into consideration, redox poten- tials of Ec DosH proteins have an apparent hysteresis in the data,
Ngày tải lên: 16/03/2014, 13:20
Báo cáo khoa học: Key substrate recognition residues in the active site of a plant cytochrome P450, CYP73A1 ppt
... and the CA carboxylate could control the optimal positioning and orientation ofthe substrate for catalysis NMR measurement of the distances ofthe substrate protons to the haem iron indicate an ... can accommodate a diverse array ofcompounds, as far as they are structural analogues ofthe natural substrate Structural requirements for such analogues include a planar, aromatic structure, a ... Phi and Psi additional constraints for nonconserved residues were derived in order to restrain them in an allowed region ofthe Ramachandran region.DYANA was then rerun and proposed a family of
Ngày tải lên: 17/03/2014, 10:20
The Gospels in the Second Century An Examination of the Critical Part of a Work Entitled ''''Supernatural Religion'''' pptx
... Peritmaethaete to theo humon, kai peritemesthe taen sklaerokardian humon kai esklaerunan tontrachaelon auton ] A similar case of paraphrase and combination, with nothing to mark the transition from one ... tou prophaetou Hieremiou legontos] Kai elabon ta triakonta arguria,taen timaen tou tetimaemenou on etimaesanto apo nion Israael, kai edokan auta eis ton argon tou kerameos,katha sunetaxen moi ... presentCanonical Gospels 2 There is not, so far as I am aware, any reason to complain of the statement of opinion in 'Supernatural Religion' as to the date of the so-called Epistle of Barnabas Arguing
Ngày tải lên: 17/03/2014, 15:20
THE CHEMICAL HISTORY OF A CANDLE A COURSE OF LECTURES DELIVERED BEFORE A JUVENILE AUDIENCE AT THE ROYAL INSTITUTION ppt
... of a candle that I can possibly give. The fuel provided, the means of bringing that fuel to the place of chemical action, the regular and gradual supply of air to that place of action heat and ... than at the bottom; so that what with their form and their own shrinking, they only need a little shaking, and out they fall. In the same way are made these candles of stearin and of paraffin. ... pass off from a candle in the form of carbon They... does the flame get hold of the fuel? There is a beautiful point about that _capillary attraction_[4] "Capillary attraction!"
Ngày tải lên: 22/03/2014, 14:20
Internal Audit 2012*: A study examining the future of internal auditing and the potential decline of a controls-centric approach docx
... States, the internationalization of accounting standards may lead to a change in the language of accounting The growth of outsourcing and an upsurge in the offshoring of services and manufacturing ... Outsourcing and offshoring are key elements of globalization that involves cross-border transactions, the movement of capital, and the integration of financial markets Trang 19a global chemical company ... organizational approaches to risk management Leading CAEs already have developed strategic platforms to capitalize on opportunities and manage risks associated with globalization, technological
Ngày tải lên: 23/03/2014, 04:20
Báo cáo khoa học: Odorant binding protein has the biochemical properties of a scavenger for 4-hydroxy-2-nonenal in mammalian nasal mucosa doc
... peroxidation of PUFA and lead them from the mucus present on nasal epithelia to the digestive tract for their chemical inactivation Results Protein purification and functional characterization SDS⁄ ... Each point on the y-axis shows the concentration of AMA still bound per OBP monomer relative to the initial value, on a scale of 0–1, versus the concentration of HNE. Trang 4of the aldehyde (Fig ... at least 50% of residual lig-and-binding capacity was maintained at the highest [HNE]⁄ [OBP] values In the case of 20-min incuba-tions, HNE inactivation was even less efficient and the fraction
Ngày tải lên: 23/03/2014, 10:20
Báo cáo khoa học: The crystal structure of a hyperthermostable subfamily II isocitrate dehydrogenase from Thermotoga maritima pdf
... the association of the small domains (subunit A: orange and subunit B: light blue) and the formation of the clasp domain (A: pink and B: purple) Each large domain (A: green and B: blue) is connected ... instead of the two antiparallel a helices beneath a single four-stranded antiparallel b sheet characteristic for sub-family I IDHs Because of different conformations, the large and the small domains ... hyperthermophile Thermotoga maritima (TmIDH) catalyses NADP+- and metal-dependent oxidative decarboxylation of isocitrate to a-ketoglutarate It belongs to the b-decarb-oxylating dehydrogenase family and is the
Ngày tải lên: 23/03/2014, 10:21
Báo cáo khoa học: N-Terminal segment of potato virus X coat protein subunits is glycosylated and mediates formation of a bound water shell on the virion surface docx
... presence of a galactose residue (the additional 162 Da) in the material of peak 1 (Fig 3A,B) and both galactose and fucose (the additional 146 Da) residues in peak 2 (the data for the Ru strain are ... Monosaccharides were analyzed as AMC derivatives (A) Analysis of a blank sample (eluate fraction between peaks in chromatographic profile shown in Fig 3) (B) Analysis of a standard mixture containing ... analysis was carried out on a Hitachi-835 analyzer (Tokyo, Japan) in the standard mode for protein hydrolysate analysis with cation-exchange separation and ninhydrin postcolumn derivatization The
Ngày tải lên: 23/03/2014, 13:20
Báo cáo khoa học: Structure of the core oligosaccharide of a rough-type lipopolysaccharide of Pseudomonas syringae pv. phaseolicola docx
... hydrazinolysis and then N-deacylated under strong alkaline conditions (4M NaOH, 100C, 4 h) After desalting, the resultant mixture of oligosaccharides (OSNaOH) was fractionated by HPAEC on CarboPak PA1 at ... Immunochemical characterization of O polysaccharides compo-sing the a- D -rhamnose backbone of lipopolysaccharide of Pseu-domonas syringae and classification of bacteria into serogroups O1 and O2 ... in GlcIIas a result of the anisotropy of the carboxyl carbon of KdoIII The data obtained suggested that OSNaOH-II has the structure shown in Fig 2 The structures of the alkaline degradation products
Ngày tải lên: 23/03/2014, 13:20
Changing only the aesthetic features of a product can affect its apparent usability pptx
... completion or task completion. Another notable feature of these results is the way that the usability and aesthetics ratings strongly parallel one another. In both cases there is a large effect of ... participants rated the aesthetics and usability of each of model, then used them, then rated them again for both aesthetics and usability. The order of rating (usability-aesthetics or aesthetics-usability) ... participant in an experiments is asked to rate a design they imagine themselves in a particular situation and make some evaluation of Apparent Product Character and then what the Consequences of this
Ngày tải lên: 23/03/2014, 13:20
Báo cáo khoa học: Inhibition of a-synuclein fibrillization by dopamine analogs via reaction with the amino groups of a-synuclein Implication for dopaminergic neurodegeneration pot
... Spectrophotometric characterization of the reactions of DA analogs with a-Syn and some amino acids (A) UV-vis spectra of a-Syn with DA, CA, HQ and Q after reaction for 24 h The a-Syn alone sample was as a control ... and then the fibrillization at different intervals was measured by ThT fluorescence assay The concentration of a-Syn was 200 l M and the fibrillization of a-Syn alone was as a comparison Data ... analogs (A) SEC analysis of the reaction products showing the large molecular mass fractions The graphs display incubation of a-Syn alone (black), the reactions of a-Syn with DA (red), CA (green),
Ngày tải lên: 23/03/2014, 15:20
Đề tài " The two possible values of the chromatic number of a random graph " pot
... Trang 1Annals of Mathematics The two possible values of the chromatic number of a random graph By Dimitris Achlioptas and Assaf Naor Trang 2The two possible values of thechromatic number of ... to consider all pairs of balanced partitions and, for each pair, bound the probability that both parti-tions are valid colorings For any fixed pair of partiparti-tions σ and τ , since edges are ... This lemma is a variant of the classical Laplace method of asymptotic analysis in the case of the Birkhoff polytopeB k, i.e., the set of all k × k doubly stochastic matrices For a matrix A ∈ B k
Ngày tải lên: 29/03/2014, 07:20