... explaining accelerated evolution has been called into question by recent findings on marine fossils ; however these findings are consistent with the speciation burst hypothesis These mainly are ... duration The majority of the species becoming extinct were from the newly formed ones This 1.5 Myr interval of time representing approximately 1/3 of the Myr span compared contains the greatest ... number, 13 out of 19, of geomagnetic reversals and these occurred in two clusters (Cox, 1969) speciation burst hypothesis maintains that any factor affecting the amount intensity of exposure to...
Ngày tải lên: 09/08/2014, 22:22
... Because of the different thermal expansion and swelling coefficients between these materials, hygrothermal stresses are introduced into the unit cell during operation [4, 5] In addition, the non-uniform ... dehumidification of the membrane may occur, resulting in deterioration of protonic conductivity, increasing resistive losses, and increasing MEA temperature In the extreme case of complete drying, local ... The model reflects the influence of numerous parameters on fuel cell performance including geometry, materials, operating and others to investigate the in situ stresses in polymer membranes The...
Ngày tải lên: 05/09/2013, 14:58
báo cáo khoa học: "The analysis of quantitative variation in natural populations with isofemale strains" pptx
... vein and longitudinal vein (L3) to the intersection of L3 with the distal wing margin Wing width was taken as the distance from the intersection of L5 and the wing margin to the intersection of ... between isofemale heritability and actual heritability is E V by : = - = The effect of dominance (d) on the means of isofemale strains is outlined in table The variance within each strain is defined ... been obtained more directly from the partitioning of variance within and between strains using the inbreeding coefficient F (FALCONER, 1981, p 241) i.e., Isofemale strains expanded to an infinite...
Ngày tải lên: 09/08/2014, 22:22
Báo cáo sinh học: "Genetic variation in eight Chinese cattle breeds based on the analysis of microsatellite markers" potx
... were found in the eight breeds, 25 were identified in the Qinchuan breed, while only one was detected in each of the Jiaxian and Jinnan breeds The mean number of alleles per locus in the Qinchuan ... identified over the eight Chinese bovine breeds with 25 present in the Qinchuan breed and only one in each of the Jiaxian and Jinnan breeds The fact that in this study a higher number of alleles and ... considered that they were appropriate PIC is an indicator of the degree of informativeness of a marker According to the criteria of Botstein et al [2], all 12 microsatellite loci included in this study...
Ngày tải lên: 14/08/2014, 13:21
Assessment of Spatial Variation of Water Quality Parameters in the Most Polluted Branch of the Anzali Wetland, Northern Iran
... wetland showed significant increases, implying mounting erosion in the watershed, including the Siahroud basin as one of the major contributing subbasins to the sedimentation of the Anzali Wetland ... 28.3°C in the summer of 2002, which was within the potable range of 20°C set by the US-EPA The pH values were within the permissible level of 6.5 to 8.5 varing between 7.6 in the autumn to 8.0 in the ... while the highest were obtained in the summer of 2002 (Table 1) The average concentrations of TOC varies between 2.77 mg/l in the summer of 2002 to 11.71 mg/l in the spring of 2002 during the sampling...
Ngày tải lên: 28/05/2016, 11:28
Báo cáo y học: "Comparison of a Two-Lead, Computerized, Resting ECG Signal Analysis Device, the MultiFunction-CardioGramsm or MCG (a.k.a. 3DMP), to Quantitative Coronary Angiography for the Detection of Relevant Coronary Artery Stenosis (70%)
... stenosis from the individual centers included in the meta -analysis The boundaries of the box are Tukey’s hinges The median is identified by the line inside the box The length of the box is the interquartile ... measured by the MCG device The resulting mathematically integrated patterns of the abnormal indexes are then compared for their degree of abnormality to the abnormal index patterns in the reference ... diagnosis on the Internet for patients in a wide variety of care settings including EMS, Urgent Care Facilities, Emergency Rooms, and in- or out-patient clinics/hospitals The use of the MCG in clinical...
Ngày tải lên: 03/11/2012, 10:58
Analysis on the Optimal Dispatching of Mixed-pump Stations and the Operating-mode Adaptability Based on Safety Water Supply
... the speed In this sense, the energy consumption can be reduced The key of energy saving is to determine the best speed ratio according to the actual demand of water supply system Because of the ... shown in Figure 2, curve c is the critical state of which the pump can supply water under the outlet pressure of the pump station determined after the first optimization In the process of practical ... between the water level of the ith impounding tank and the kth pump shaft, Δhi , j , k refers to the headloss of the kth pump SOLUTION AND REALIZATION OF THE ESTABLISHED MODEL In view of the characteristic...
Ngày tải lên: 05/09/2013, 09:38
Tài liệu TRANSIENT and STEADY STATE THERMAL ANALYSIS OF HEATSINK Pro/ENGINEER and Pro/MECHANICA Wildfire doc
... Transient Thermal 17 Under Name, type in Transient _Analysis Under Description, type in the following: Determine the temperature of the CPU heat sink during the first 1000 seconds after the computer ... with the heat sink when the heat sink is installed is 0.012 m x 0.012 m This contact area is situated in the middle of the bottom surface of the heat sink To apply the heat source in this contact ... for the Q load of 50 Watts 15 A graph of the function can be seen by selecting Review Click the Graph button Create a Transient Thermal Analysis Create a transient thermal analysis with Single-Pass...
Ngày tải lên: 19/01/2014, 05:20
Tài liệu ANTHROPOLOGY: AS A SCIENCE AND AS A BRANCH OF UNIVERSITY EDUCATION IN THE UNITED STATES pptx
... to the study of the physical characteristics of man, the other to the investigation of the products of his industry The former will be more especially related to the branch of Somatology; the ... Negrillos or Pigmies The true Negroes The Negroids The race in other continents Negro slavery c The Asian Race. The Sinitic branch (Chinese, Thibetans, Indo-Chinese) The Sibiric branch (the Tungusic, ... the individual works in the collection are in the public domain in the United States If an individual work is in the public domain in the United States and you are located in the United States,...
Ngày tải lên: 13/02/2014, 05:20
Tài liệu Seasonal variation in the incidence of preeclampsia and eclampsia in tropical climatic conditions ppt
... during the study period Figure barometric pressure during in study period Graph showing the variationthethe monthly average morning Graph showing the variation in the monthly average morning ... season, whereas there was no significant variation in the incidence of preeclampsia based on the timing of delivery In our study, we intend to establish if any such association exists in the distinct ... et al, in their study, have evaluated the link between the timing of conception with risk of preeclampsia [13] They found the highest risk of preeclampsia in conceptions occurring in the summer...
Ngày tải lên: 13/02/2014, 06:20
Tài liệu ELECTRICAL /DATA CABLING WORKS IN THE BRANCH OF BANK OF INDIA, BHULLAR , LUDHIANA. doc
... with the seating for maximum 20% of staff strength of the Branch depending upon the availability of space in the branch h) In CBS Branches, no serve room is required As the web-server is being ... from the date of opening of the tenders The time completion of work shall be essence of the contract, and shall be completed within 60 days only from the date of award of work Offers not contained ... for the above said work is enclosed The sealed cover containing the schedules and the tender in original along with earnest money for Rs 10,000/= in shape of demand draft in favour of Bank of India,...
Ngày tải lên: 16/02/2014, 11:20
Tài liệu INTERIOR/ FURNISHING & RENOVATION WORKS IN THE BRANCH OF BANK OF INDIA, BHULLAR , LUDHIANA ppt
... per the drawing However, minor variations in the length of counters depending on the Zonal Managers In the case of cash counters, the blue colour boxing is provided at the extreme ends of the ... with the seating for maximum 20% of staff strength of the Branch depending upon the availability of space in the branch h) In CBS Branches, no serve room is required As the web-server is being ... proper slope Where Required including pointing of the joints white cement and matching pigments, curing etc in all respect till the satisfaction of architect a Skirting Providing & fixing vitrified...
Ngày tải lên: 16/02/2014, 11:20
Tài liệu Báo cáo khoa học: Mg2+-modulated KMnO4 reactivity of thymines in the open transcription complex reflects variation in the negative electrostatic potential along the separated DNA strands ppt
... case of TpT, intramolecular stacking of thymine residues brings the two C(5)¼C(6) bonds in close proximity, thereby increasing the probability of their attack by MnO4– and decreasing the effect of ... band doubling for T)11 and T+2 Therefore, the measured contribution of these forms to the integrated intensity of these two bases was used in the calculation of the contribution of individual ... confirming that the mechanism underlying the Mg2+ effect on the kinetics of nucleotide oxidation does not affect the intrinsic rate of the reaction and is due solely to the screening of the negative...
Ngày tải lên: 19/02/2014, 18:20
Tài liệu Báo cáo khoa học: "An Information-Theory-Based Feature Type Analysis for the Modelling of Statistical Parsing" docx
... headword of the node In the following, the units of PIQ are bits z Conclusion Among the feature types in the same structural position of the parsing tree, the predictive information quantity of lexical ... containing the leaf nodes of the partial parsing tree rooted by the current node, representing the final objectives to be derived from the current node 4.2 The corpus used in the experiment The ... Proceedings of the 34 Annual Meeting of the ACL Michael John Collins 1997 Three generative lexicalised models for statistical parsing In th Proceedings of the 35 Annual Meeting of the ACL J.Eisner...
Ngày tải lên: 20/02/2014, 18:20
A Guide to the Analysis of Fish Marketing Systems Using a Combination of Sub-sector Analysis and the Sustainable Livelihoods Approach potx
... partners in the project: (ii) Analysis of the marketing system This included mapping of the sub-sector, calculation of costs and margins, assessment of the pricing mechanisms for the fish (both for the ... explore the dynamics of the livelihoods of the poor in the fish marketing chain in more detail and make recommendations regarding the development of fish marketing and livelihood sustainability ... Combining sub-sector analysis with the sustainable livelihoods approach the three main concepts that are usually analysed in this context and are described in the section outlining the Sustainable...
Ngày tải lên: 07/03/2014, 00:20
Báo cáo khoa học: The involvement of human ribonucleases H1 and H2 in the variation of response of cells to antisense phosphorothioate oligonucleotides pot
... hybridizes to the center of the input target RNA The asterisk indicates the input target RNA; the arrow indicates the digested product bands The amount of digested product obtained is indicated at the ... only in in-gel assays, the class II activity of RNH(35) only in liquid assays, whereas the class II activity of RNH(70) was detected in neither assay In order to determine the contribution of the ... freezing or diluting of the extracts The extracts used in one experiment were always isolated at the same time and treated in the same way So within one experiment, the ratio of the extracts of...
Ngày tải lên: 08/03/2014, 10:20
The third branch of physics, eassys in scientific computing norbert schaorghofer
... on the error The reason is that for = the system of equations is linearly dependent: the sum of the left-hand sides of the first two equations is twice that of the third equation Consequently the ... with time Call Ω(E) the number of spin configurations with total energy E, where E is the sum of the energies of all individual spins, E = j Ej The probability to find the system in energy E is proportional ... way of integration in the interior of the domain Recommended References: Abramovitz & Stegun, Handbook of Mathematical Functions includes a chapter on numerical analysis with finite difference, integration,...
Ngày tải lên: 17/03/2014, 14:53
An analysis on the effectiveness of conversion in daily conversations Focus on English - major students at Hai Phong Private University
... misleading E.g.22: He puts the note in the pocket →He pockets the note E.g.23: He puts the ring in the pocket 26 →He pockets the ring E.g.24: He puts the cell phone into the pocket →He pockets the ... ―material to wrap things (A tiny dangling piece of paper-hanging chad-remains and can fall back to fill the hole in the card)… The denominal verb, though, only contains the sense of putting that material ... synonym in the language for the intended conversion-verb, as is the verb to ring, conversion of bell into to bell would not take place, since the meaning is already contained in the existing verb...
Ngày tải lên: 18/03/2014, 00:20
Báo cáo khoa học: Revisiting the 13C-label distribution of the non-oxidative branch of the pentose phosphate pathway based upon kinetic and genetic evidence doc
... through the oxidative branch of the PPP is usually much larger than the drain on PPP metabolites for the biosynthesis of building blocks, resulting in a significant recycling and redistribution of the ... residue of the active site of the enzyme, leading to the formation of either g3p or e4p while leaving behind the bound dihydroxyacetone (C3) The nitrogen atom of the Schiff base (similar to the nitrogen ... segregated pools, the 13C labeling of the C2 and C3 fragments (and, consequently, the labeling of the metabolites formed from these) can differ from the 13C labeling of the single C2 and C3 fragment...
Ngày tải lên: 23/03/2014, 15:21
Báo cáo khoa học: Proteome analysis at the level of subcellular structures Mathias Dreger pot
... charged ion) The ratios of the original amounts of proteins from the two cell states are strictly maintained in the peptide fragments The relative quantification is determined by the ratio of the peptide ... assessed in more detail, Rout et al interpreted the significance of the identification of the other proteins in three ways: firstly, there are proteins that according to the literature are known NPC interactors, ... which, depending on the approach, contain different kinds of information exceeding the mere identification of proteins These comprise of studies on different part of the nucleus of eukaryotic cells...
Ngày tải lên: 23/03/2014, 20:22