countergradient variation in secondary sexual color in sympatric morphs of sockeye salmon
Tài liệu Seasonal variation in the incidence of preeclampsia and eclampsia in tropical climatic conditions ppt
Ngày tải lên :
13/02/2014, 06:20
... timing of conception with risk of preeclampsia [13] They found the highest risk of preeclampsia in conceptions occurring in the summer season, whereas there was no significant variation in the incidence ... incidence of preeclampsia based on the timing of delivery In our study, we intend to establish if any such association exists in the distinct climate of the tropical coastal city of Mumbai, India ... mechanisms involved Figure relative humidity during the in the monthly Graph showing the variationstudy period average morning Graph showing the variation in the monthly average morning relative...
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Báo cáo hóa học: " Research Article Variation in the Correlation of G + C Composition with Synonymous Codon Usage Bias among Bacteria" docx
Ngày tải lên :
22/06/2014, 19:20
... usage of two-fold degenerate codons; coding for asparagine, aspartic acid, cysteine, glutamic acid, glutamine, histidine, lysine, phenylalanine, or tyrosine) with values p and − p is plotted in ... difference in relative frequency between different amino acids in the protein, we calculated the sum of the relative entropy of each amino acid weighted by its relative frequency in the protein The ... Protein coding sequences containing letters other than A, C, G, or T and those containing amino acids with residues less than their degree of codon degeneracy were discarded From each coding sequence,...
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Báo cáo lâm nghiệp: "Within-crown variation in leaf conductance of Norway spruce: effects of irradiance, vapour pressure deficit, leaf water status and plant hydraulic constraints" ppt
Ngày tải lên :
08/08/2014, 01:21
... data sets The bars indicate ± SE of the means daily maximum level of gL In 1997, the liquid phase conductance explained 77–82% and 53–75% of the variation in gL around midday in the shade and sun ... supposed the effect of increasing diffusive resistance between the intercellular air space and carboxylation sites in chloroplasts due to modifications in leaf structure with increasing tree height ... beside some symbols indicate the means of the daily maxima The data points represent arithmetic means of the measurements at certain times of day, and the bars indicate ± SE of the means (1) where...
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Báo cáo khoa học: "Intra- and interpopulational genetic variation in juvenile populations of Quercus robur L and Quercus petraea Lieb" pot
Ngày tải lên :
08/08/2014, 19:21
... the succeeding life stages The genetic multiplicity was very large in all samples investigated including single-population samples This finding concurs with results of a recent study in 32 European ... originates from single oak stands which cover areas of 50-100 All stands are supposed to be predominantly indigenous A total of 1605 individuals were genotyped at the age of yr For location of ... Particularly in oak species, it appears that large genetic variation should be incorporated in productive populations in order to maintain the potential of these populations to adapt to and to survive in...
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Báo cáo khoa học: "Variation in the phenology of shoot elongation between geographic provenances of maritime pine (Pinus pinaster) - implications for the synchrony with the phenology of the twisting rust fungus" potx
Ngày tải lên :
08/08/2014, 19:21
... most interesting from an epidemiological point of view as the B2 stage corresponds to the beginning of pine susceptibility to twisting rust (Desprez-Loustau, 1990) The lower adequacy of HS in predicting ... observed Phenology of M pinitorqua Samples of infected aspen leaves, the overwintering host of M pinitorqua, were collected on each observation date near the Lagnereau and Ruscas sites in 1989 and 1990 ... examining the distribution of intra-group variances Infection percentages were analysed using a generalization of the analysis of variance adapted to categorical data analysis (CATMOD procedure of...
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Báo cáo khoa học: " Variation in the position of resin canals in the needles of Abies species and provenances" docx
Ngày tải lên :
08/08/2014, 23:22
... After a review of the terminology used to describe the position of the resin canals in the Abietineae, Ferré (1941) proposed the distinction of types according to their exact location in respect ... growing on Mount Parnassos with marginal resin canals in the leaves of sterile branchlets, and median in the leaves of cone-bearing branchlets In this variety, the abovementioned author also includes ... peripheral resin canals" Kormutäk (1985) using 2-4-year-old seedlings in a comparative study of needle ten- anatomy involving artificially produced hy- dency of the resin canals to often move from...
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báo cáo khoa học: "Allozyme variation in natural populations of Lymantria dispar (Lepidoptera)" docx
Ngày tải lên :
09/08/2014, 22:23
... alleles including a « null » allele The genetic determinism is supported by observing the egg-mass , AYLOR progenies Since in Lymantria dispar multiple matings of females are rare (T 1967) each single ... frequency in all populations but those of o8 Morocco ; Lap-2 is rare in all populations except China ; Lap-3 is common in 1o3 100 France and Canada but rare in Morocco and absent in China Finally, ... aspartate aminotransferases (AAT) staining was modified from Mc K et al (1975) After staining, the gels were washed in distilled water, fixed in p 100 acetic acid solution for 48 hours and stored in plastic...
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Báo cáo khoa học: "Variation in the Level of Grain Defect Light Flecks and Spots on Cattle Hides" pps
Ngày tải lên :
12/08/2014, 15:20
... present in 27 of 28 herds and in 27% of the animals L vituli was present in 11 of 28 herds and in 5% of the animals At least one of these louse species was present in all the herds In a few of the ... Table Frequency of hide damage in herds infested with biting lice compared with herds infested with biting lice and sucking lice Number of herds Number of hides Mac score Biting lice infections 18 ... seasonal distribution of the lice population is well known The population increases during the winter, decreases with the shedding of the winter coat in the spring and remains low during the summer...
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Báo cáo sinh học: "Selection in sympatric populations of Cepaea" pps
Ngày tải lên :
14/08/2014, 19:23
... sympatry within each species, changes may be observed in the frequencies of colour patterns and shell banding On north-facing slopes of the Iberian Mountains, in sympatric populations of Cepaea ... argument in favour of this kind of selection, is that the Cepaea hortensis populations sampled are marginal, and may be in environmentally limiting conditions Moreover, the sympatric populations of ... of nemoralis and 26 of hortensis were considered The difference in the number of sympatric populations of the two species is due to the fact that some populations had a very small number of individuals...
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On the detection of seasonal variation in the onset of disease
Ngày tải lên :
16/09/2015, 17:11
... and analysed in the form of a series of 12 monthly totals, these being the numbers of persons presented with the disease of interest in a given month of the year Often the data of onset have ... statistical methods in terms of monthly counts ignoring (for ease of exposition) variation in the number of days between months of a year and leap years A single year of data commencing January is ... regression This includes the presentation of childhood cancers in the United States of American (USA), breast cancer in Singapore, the cases of methicillin-resistant staphylococcus aureus in Spain, and...
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Báo cáo sinh học: "Changes in the expression of genetic characteristics across cohorts in skeletal deformations of farmed salmonids" potx
Ngày tải lên :
14/08/2014, 13:22
... of uncertainty in the point estimates, and the 95% posterior density intervals of different heritabilities are in most cases partly overlapping (Tab II) Incidence in the previously published salmonid ... Changes in heritability The first major finding of this study is that improved management conditions decreasing incidence of deformations in salmonids also decreased the amount of genetic variation ... held indoors Yet, a total of 68 and 41 full-sib families were allocated into two tanks in generations 1997 and 1999, respectively (Tab I) Eggs hatched in July During the winter after hatching,...
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Organizing pairwork and groupwork in the context of high school classrooms at pham van nghi upper secondary school, nam dinh province: A case study
Ngày tải lên :
07/11/2012, 14:54
... teaching grammar, reading, writing, vocabulary and listening ; for teaching grammar, for teaching reading, for teaching writing, and only for teaching vocabulary, and for teaching listening Each ... group work Observation is done in classes of different aims and purposes : teaching speaking, teaching reading, teaching listening, teaching grammar and teaching writing, the researcher has to design ... of these activities in making class more interesting and 50% consider pairwork and groupwork helping in motivating students and learning process The teachers seemed not to find the benefits of...
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Cannibals or knights – sexual honor in the propaganda of Arthur Conan Doyle and W. T. Stead
Ngày tải lên :
01/11/2013, 08:20
... writing of empire sexual restraint in Kipling, as any of ‘‘The Ladies’’ of the poem of that title could have testified In Doyle’s writings on South Africa, women have as small a place as they in ... community of Dutchmen of the type of those who defended themselves for fifty years against all the power of Spain at a time when Spain was the greatest power in the world Intermix with them a strain of ... the scene of the infamous Boer defeat of the British in the first Boer War of ).⁵ This kind of slap in the face was pushing the British public a little too far, and sales of Stead’s mainstream...
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Luận văn english prepositions of place at, on, in an analysis of errors made by secondary school students
Ngày tải lên :
20/12/2013, 18:17
... errors in the learning process of English are inevitable The errors in using prepositions, especially the prepositions of place AT, ON, IN are not exceptional The teaching and learning of prepositions ... in language learning Secondly, to identify causes of learner's errors Finally, to obtain information on common difficulties in language learning, as an aid to teaching or in the preparation of ... source of L1 interference in producing L2 (Dulay et al, 1982) The first source is a lack of common knowledge and linguistic competence at a certain stage of their learning This often occurs in early...
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Tài liệu Sexual and reproductive health needs of adolescents perinatally infected with HIV in Uganda pptx
Ngày tải lên :
13/02/2014, 10:20
... re-infecting themselves with another strain of HIV The three most commonly known ways of avoiding re-infection include abstinence (66 percent), condom use (63 percent) and avoiding sharing of ... professional training in sexuality and relevant disciplines (AYA, 2003) Where training is available, the curricula are silent on or provide limited coverage of sexuality issues The TASO Trainers ... relevant sexuality information to perinatally HIV-infected adolescents In sum, wide programmatic gaps exist in addressing the sexual and reproductive health needs of young people perinatally infected...
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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
Ngày tải lên :
19/02/2014, 18:20
... contribution of these forms to the integrated intensity of these two bases was used in the calculation of the contribution of individual bases to the integrated intensity of overlapping DNA bands Determination ... determined by the different sizes of the substituents In the case of TpT, intramolecular stacking of thymine residues brings the two C(5)ẳC(6) bonds in close proximity, thereby increasing the ... of thymine in thymidine and its nucleotides The kinetics of oxidation of thymine by KMnO4 [34] in thymidine, TMP, TTP and TpT was studied as a function of [MgCl2] in the range 0100 mm in the...
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Báo cáo khoa học: Expression of cholinesterases in human kidney and its variation in renal cell carcinoma types pdf
Ngày tải lên :
06/03/2014, 22:21
... erythrocytes in the extent of binding with the lectins concanavalin A, Lens culinaris agglutinin 4522 (LCA), and Ricinus communis agglutinin (RCA) (Fig 3), ruled out the blood origin and supported the ... abundance of G4H butyrylcholinesterase in plasma, if blood were the source of kidney butyrylcholinesterase, an appreciable increase in butyrylcholinesterase activity of chRCC, cRCC, and RO, instead of ... cytochemical staining of acetylcholinesterase in the capsule of Bowman [41] and of acetylcholinesterase and butyrylcholinesterase in the glomerulus and the tubule, which is stronger for acetylcholinesterase...
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GEOGRAPHIC VARIATION IN U.S. THYROID CANCER INCIDENCE, AND A CLUSTER NEAR NUCLEAR REACTORS IN NEW JERSEY, NEW YORK, AND PENNSYLVANIA potx
Ngày tải lên :
15/03/2014, 01:20
... Iodine Generated Outside the Local Area Another possible source of radioactive iodine is in food imported from other areas Determining the sources of the food supply in an area, even in a single ... contributing factor in current U.S thyroid cancer incidence rates This finding merits further examination, especially in light of the fact that 104 such reactors continue to operate in the U.S ... rates in other New York State counties, except for blacks and persons age 0-24 Perhaps the most revealing data in Table is the temporal trend in thyroid cancer incidence near Indian Point In the...
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VARIATION IN REPRODUCTIVE STRATEGIES INFLUENCES POST-COITAL EXPERIENCES WITH PARTNERS pptx
Ngày tải lên :
22/03/2014, 12:20
... important aspect of a sexual relationship Despite women’s efforts in screening and selecting partners prior to first sexual intercourse, women’s feelings of uncertainty in the future of the relationship ... receiving indications of love from their partner during intercourse, and more concerned about variety of sexual experiences and partner initiative (Hatfield, et al., 1989) Pair Bonding in the ... outweighs average male investment (Fisher, 1992) Because women are obligated to a greater minimal investment in offspring than men, and are much more limited in the number of offspring they can produce,...
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Variation in Helper Type Affects Group Stability and Reproductive Decisions in a Cooperative Breeder doc
Ngày tải lên :
28/03/2014, 16:20
... reducing the sample size to a total of n = 18 for the remainder of the analyses In one group, we missed the spawning of the first clutch (detected after hatching of the fry behind a filter instead of ... the natal group and engaging in helping activities, versus leaving the group and refraining from helping, and therefore may explain the extent of cooperative breeding in a given habitat For example, ... to first spawning when producing big clutches, independent of male helping score, but in interaction with their own helping score (comparison of GLMMs with and without an interaction of clutch mass...
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