difference between the terms atomic number and mass number

Ngày tải lên: 14/08/2014, 16:20

... Y2, Y4, Y5 and y6) that vary in their binding profiles and in their distribution in the central nervous system and periphery. Y1, Y2 and Y5 are the best characterized NPY receptors, and the majority ... understanding the impli- cations of these novel findings, but also explore them with new experimental designs to better understand them. In summary, the biology of the control of bone mass by ... the antiosteogenic pathways of leptin and of the Y receptor proceed via distinct mechanisms. The similarity between ob ⁄ ob and Y2 ) ⁄ ) mice regard- ing their bone phenotype, together with the...

Ngày tải lên: 18/02/2014, 04:20

... simulation). We then permuted the dataset to generate a distribution of co-occur- rences corresponding to the expectation under the null hy- pothesis that the two species co-exist at random on the land- scape ... visitors, recording the plants visited, the number of flowers visited per foraging bout, and in most cases, whether the visitor was an effective pollinator, that is, regularly contacted the anthers and stigma. ... compared between M. lewisii parentals and H(L) F 1 hybrids and between M. cardinalis parentals and H(C) F 1 hybrids, using Wilcoxon paired signed rank tests. number between zero and one, is the product...

Ngày tải lên: 05/03/2014, 17:20

... resulting from splitting off the nicotinamide ring, suggesting that the covalent bond between the nicotinamide and the ribose of the coenzyme is particularly labile. The signal of the parental molecule ... coenzyme there was little difference between the performance of the wild-type and mutant enzymes (Table 1). The results for these three mutants were extremely puzzling; the mutations had been designed ... NAD + peak Isolation and mass spectroscopic analysis confirmed the identity of the contaminant. Comparison with the spectrum of an authentic NAD + sample revealed total similarity of the fragmentation pattern. The...

Ngày tải lên: 06/03/2014, 00:20

... fibres [13] the presence of a stable Ca 2+ -regulated complex between E64-treated Calp1 and the N-terminal region of the titin located between the Z-band and the N2-line in the I-band of myofibrils. ... including the two proteins. In conclusion, our study proves the interaction between a-actinin and calpain 1 and locates binding motifs within regions where the EF-hand domains of the protease and the cytoskeletal ... interactions [9,10,12,27] with the targets, the stability of complexes in the resting stage [3,48] and the activation state [7,33] of the binding calpain. The topology of the interface with respect to the catalytic...

Ngày tải lên: 07/03/2014, 21:20

... in the micromolar range (l-Arg ⁄ NOHA) and pairs of compounds showing K d in the millimolar range (FPhGua ⁄ FPhNOHG). The difference between the K app values for the guanidines and those for the ... process [23,28] and might involve an intermediate and transient ternary complex between the protein, ImH and the l-Arg analogue [23]. The k on app and k off app values are thus apparent association and dissociation ... bulge between the two heme propionates in contact with the heme and the side chain of a conserved valine (V338). The decrease of the affinity of homo-l-Arg and homo- NOHA compared with l-Arg and...

Ngày tải lên: 16/03/2014, 22:20

... from the Gwathlo to the Baranduin and East-West Road and the two kingdoms were seperated by a large stretch of depopulated lands (Cardolan, Enedwaith and Calenardhon). There is a description of the ... [Enedwaith], and together built and maintained the Bridge of Tharbad A considerable garrison of soldiers, mariners and engineers had been kept there until the seventeenth century of the Third age. ... relations were the focus of royal attention in Gondor on the threat from the Wainrider's from the mid-eighteenth century TA and the reduced importance to Gondor's rulers and people of the surviving...

Ngày tải lên: 21/03/2014, 22:49

... modelling of the Fyn SH3-domain and PAG-derived peptides The interaction pockets of the SH3-domain are made by loops linking the individual b strands together (the RT loop, the n-Src loop, and the 3 10 helix ... Tyr137 and Trp119 form- ing pocket 2, and the valley between n-Src and RT loops included by Trp119 and Tyr132 making up the third interaction pocket [31,44]. Molecular modelling of the ligand ⁄ ... hydrophobic and electrostatic interactions involved in formation of the complex. The model showed peptide residues Pro4 and Pro7 fitting well into binding grooves 1 and 2 created by the n-Src loop and the...

Ngày tải lên: 24/03/2014, 00:21

... the SNR range. On the other hand, and in spite of the smaller bias presented by the Standard window (see Fig. FIG. 15. Comparison between the inverse of the variance and 20), the Kaiser window ... because the Standard window reduces the bias but at the same time increases the variance. On the other hand, the use of the Rectangular window makes a FTE biased even for high SNR. In Fig. 21 the ... to the CRB for the best case estimation. The peaks show the threshold of the TFBMPM. (N D t) 01 is 0.125 Hz and the maximum D f studied In Figs. 17 and 18 the windows are shown in both time and...

Ngày tải lên: 26/03/2014, 00:29

... in terms of such structures! We might call the former sense the data-structure view of plans, and the latter the mental phenomenon view of plans. Work in plan synthe- sis (e.g., Fikes and ... is true if and only if the act of G doing a at t is ezecutable, and the relation GEN(a,//,G,t) is true if and only if the act of G doing a at t generates the act of G doing// at t. The function ... important here is rather the observer's judgement of whether the actor's plan is valid. It is to the analysis of such invalidity judgements, and their effect on the question- answering...

Ngày tải lên: 31/03/2014, 17:20

... Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without ... permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without ... permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without...

Ngày tải lên: 03/06/2014, 00:55

... sex, the scales of the SAQ and CCS angina severity class and a smaller relationship with age and ETT. The variation seen in the relationship between the EQ-5D index and these variables, with the exception ... together, these indicate a rea- sonably strong relationship between the generic EQ-5D HRQoL measure and the disease-specific SAQ. For most of the SAQ scales (and some other variables studied), there was ... CCS angina class and the SAQ, which are further described below. Some studies collected NYHA rather than CCS. The relationship between the EQ-5D index and the Short Form 6D (SF-6D), another utility...

Ngày tải lên: 18/06/2014, 19:20

... retailers. Of these three general strategies, the first two are the most common, and the food retailer offering the service is typically a supermarket. Mohan and Cassady examined the feasibility ... Markets and Ralph’s, say that the service is cost-effective and extremely popular with customers and that it generates increased sales. 17 The Links Between the Neighborhood Food Environment and ... Pennsylvania. viii These food items included: 1% milk, skim milk, low-fat and nonfat cheese, soy milk, tofu, whole grain pasta and breads, and low-fat meat and poultry. 2 The Links Between the Neighborhood...

Ngày tải lên: 28/06/2014, 21:20

... under the relevant provisions of the WTO Agreement with respect to the exportation of a good to the other Party, the former Party shall, upon the request of the other Party, provide to the other ... facilitate the procedures for the temporary admission of goods traded between the Parties in accordance with the terms and conditions provided for in the Customs Convention on the A.T.A. Carnet for the ... advance of the initiation of such investigation, notify the other Party, and provide it with the full text, of such application. The other Party may inform the exporters, foreign producers and relevant...

Ngày tải lên: 02/07/2014, 13:14

Ngày tải lên: 09/08/2014, 01:23

Ngày tải lên: 09/08/2014, 06:23

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Ngày tải lên: 12/08/2014, 04:21

Ngày tải lên: 12/08/2014, 15:22