the different type of photography
Đề tài " The homotopy type of the matroid grassmannian " ppt
... denote each of these maps shouldcause no confusion. Annals of Mathematics The homotopy type of the matroid grassmannian By Daniel K. Biss THE HOMOTOPY TYPE OF THE MATROID GRASSMANNIAN ... systematicstudy of CD manifolds; indeed, the first step in the standard approach to the study of any category in topology or geometry is an analysis of the homotopy type of the classifying space of the accompanying ... playing the linear structure of the simplices and the smooth structure of the manifoldoff of one another. For a somewhat more precise discussion of this relationship,see Section 3. The world of CD...
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The chart below shows the sleep patterns of people in five different occupations according to a Canadian study
... wake at 6 a.m., but nap for two hours or so in the early afternoon. Thus the influence on one's sleep pattern is worthy of consideration when choosing an occupation. ...
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The diagram below shows the average hours of unpaid work per week done by people in different categories
... men maintain approximately the same number of hours of unpaid work as in childless households, but the number of hours women work in the home rises to 52 per week, much of it, on doubt, due to ... responsibilities. Interestingly, when there are three or more children in the household, men are found to work even fewer hours around the house than before the appearance of the third child. Whereas women's ... The diagram below shows the average hours of unpaid work per week done by people in different categories. (Unpaid work refers to such activities as childcare in the home, housework...
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The real story of apple 'think different' campaign
... To the crazy ones. Here’s to the the misfits. The rebels. The troublemakers. Here’s to the ones who see the world differently. They’re the ones who invent and imagine and create. They’re the ... the historical impact of the “Think different ad campaign and the “To the crazy ones” commercial that launched it. There have been a lot of different accounts of how the work was created, who ... The troublemakers. The people who see the world differently.” And the closing: The people who are crazy enough to believe they can change the world are the ones who actually do.” I felt the...
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Tài liệu Báo cáo khoa học: Crystal structure of the catalytic domain of DESC1, a new member of the type II transmembrane serine proteinase family pptx
... reviews[1,2,10].S1 The following segments border the S1-specificity pocket of DESC1: Asp189–Gln192 (the basement of the pocket), Ser214–Gly219 (the entrance frame), Lys224–Tyr228 (the back of the pocket) and the ... planes of the bonds between Trp215–Gly216 and Cys191–Gln192sandwich the phenyl ring of benzamidine. The DESC1 S1 pocket resembles the thrombin S1 pocket type because of the presence of an Ala rather ... below). The southern boundary of the active site cleft of DESC1 is formed by the 145autolysis loop. The backbone of this loop differs mark-edly from the other serine proteinases, making the act-ive...
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Tài liệu Báo cáo khoa học: A novel type of highly negatively charged lipooligosaccharide from Pseudomonas stutzeri OX1 possessing two 4,6-O-(1-carboxy)-ethylidene residues in the outer core region ppt
... werealso found. The 1H-NMR spectrum revealed the absence of anomericsignals from GlcN I and GlcN II of Lipid A, the lack of pyruvate methyl groups, as a consequence of the cleavage of the ketal group ... Elucidation of the structure of the lipopolysaccharide core and the linkage between the core and the O-antigen in Pseudomonas aeruginosa immunotype 5 using strongalkaline degradation of the lipopolysaccharide. ... found either inwild -type strains and in mutant strains harboring mutationsin the genes encoding enzymes of the biosynthesis and/or the transfer of the O-specific polysaccharide [12,13]. The core...
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Tài liệu Báo cáo khoa học: Different modes of dipeptidyl peptidase IV (CD26) inhibition by oligopeptides derived from the N-terminus of HIV-1 Tat indicate at least two inhibitor binding sites doc
... and the backbone amide hydrogen of Ala743 of the enzyme, between the side chain carbonyl group of Asn7 of Tat(1–9) and the side chain of Lys554 of DP IV and finally, between the carbonyl group of ... the carbonyl group of Ile8 of the peptide interacting with the Tyr752 hydroxyl group of the enzyme. A hydrophobicinteractionofthesidechainofMet1ofTat(1–9)withthephenyl ring of the substrate Ala-Pro-pNA ... decreased.On the other hand, in the case of Ile3-Tat(1–9) the formation of the IEI complex was favored in comparisonto the formation of the EI complex. Moreover, for thispeptide binding to the competitive...
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Tài liệu Báo cáo khoa học: Identification of different isoforms of eEF1A in the nuclear fraction of human T-lymphoblastic cancer cell line specifically binding to aptameric cytotoxic GT oligomers ppt
... to quantify the amount of recoveredprotein owing to the presence of a high molar excess of BSA remaining in the buffer. Therefore, a fixed aliquot of the protein was incubated with the indicated ... con-firmed the nature of this protein (data not shown).Moreover, the spectrum reported in the figure showed the occurrence of a series of signals that were not interpretedsimply on the basis of the ... hypo-thesize a minor involvement of nucleolin in the mechanism of cytotoxicity elicited by the GT oligomers [12]. It seemedprobable that the reactivity of the nucleolin was relatedmuch more to the...
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Tài liệu The History and Practice of the Art of Photography docx
... of the water from this bulb decreases the temperature of the mercury in the tube b in proportion to the dryness of the atmosphere, and the number of degrees the tube b indicates below that of the ... the ferro-citrate of the protoxide, or the peroxide of mercury, or of the protoxide of lead, by using creams of thesesalts, or by successive applications of the nitrates of the respective oxides, ... ruddy snuff-brown, the change of tint coming on rather suddenly about the end of the blue or beginning of the violet rays of the luminous spectrum. Beyond the extreme violet rays, the action rapidly...
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Báo cáo khoa họcRe-engineering the discrimination between the oxidized coenzymes NAD+ and NADP+ in clostridial glutamate dehydrogenase and a thorough reappraisal of the coenzyme specificity of the wild-type enzyme docx
... than the true value, underlining the impact of quite asmall level of contamination on these results.Reassessment of the effects of the mutations oncoenzyme specificityIn view of the dramatically ... few seconds. The small differences in the height of this plateau for different concentrations of enzyme (5–20 lm) are due to shifts in the baselineas a result of the contribution of the enzyme ... moiety of the coenzyme resultingfrom splitting off the nicotinamide ring, suggestingthat the covalent bond between the nicotinamide and the ribose of the coenzyme is particularly labile. The signal...
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Báo cáo khoa học: Different roles of two c-tubulin isotypes in the cytoskeleton of the Antarctic ciliate Euplotes focardii Remodelling of interaction surfaces may enhance microtubule nucleation at low temperature doc
... rates of transcription initiation and elongationbetween the two genes, and ⁄ or from variation in the rates of degradation of the two messages. To test the first hypothesis, the gene copy number of ... muta-genesis of the c-tubulins of Tetrahymena thermophila[25] and Aspergillus nidulans [26]. Substitution of ala-nine at sites in the lateral surfaces (the H3 helix and the M loop) of these c-tubulins ... structures of the a- andb-tubulin [29–31] and of the proteins that form the ribo-somal stalk [32]. In the present study, we characterized the two c-tubulin isotypes, c-T1 and c-T2, of E. focardii...
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Báo cáo khoa học: Insulin resistance in human adipocytes occurs downstream of IRS1 after surgical cell isolation but at the 1 level of phosphorylation of IRS1 in type 2 diabetes pot
... tyrosine-phosphorylation of the insulin receptor or of IRS1, or of phosphorylation of ERK1 ⁄ 2, was not significantly different in either group of diabetics compared with the nondiabetic controls (Table 2). The dose–response ... been the subject of intensive research for many years. Yet, wedon’t know the details of the molecular dysregulationin the target cells of the hormone. Studies of cells frompatients with the ... that the analyses of insulin effectson glucose transport and the different signal mediators of the hormone were performed on the same cell sam-ple from the same individual. Responses for the...
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