the multiaxial fatigue strength of specimens containing small defects
Báo cáo khoa học: "The humus of a "Parabraunerde" (Orthic Luvisol) under Fagus sylvatica L and Quercus robur L and its modification in 25 years" docx
Ngày tải lên :
08/08/2014, 23:22
... ) out before the main litter fall and after mapping the humus form and the typical sequence of the horizons in the organic layer of this beech stand The morphology of a typical profile was described ... apparatus The determination of carbon and nitrogen in the solid state was carried out in the CHN analyser; for a more detailed description of the analyses, see Beyer (1989) The thickness of the organic ... twigs, fruits and their involucres and leafter bud hulls of trees and necrotic herb vegetation The thickness of the litter layer and the litter supply of varied greatly during the annual cycle...
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Báo cáo vật lý: "Effect of Temperature on Corrosion Behavior of AISI 304 Stainless Steel with Magnesium Carbonate Deposit" docx
Ngày tải lên :
07/08/2014, 14:20
... should be headed by a title, the initial(s) and surname(s) of author(s) and the address of the author(s) The title and abstract should be combined on one page The title of the article should not be ... maximum of five keywords and these should be placed after the abstract Please submit three copies of the articles and a digital copy to The Editor-in-Chief, Journal of Physical Science, c/o School of ... mass of steel are changed with the increasing temperature.4–6 Figures 2(a), (b) and (c) show the SEM of MgCO3 coated alloy The layer of scales are thick, compact and adhered At 900oC and 950oC, the...
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Báo cáo y học: "Absence of a serum melatonin rhythm under acutely extended darkness in the horse" ppsx
Ngày tải lên :
10/08/2014, 09:20
... confined to specific times of year Similarly in the horse, it is appealing to consider whether the amplitude of the MT rhythm, the strength of its photoperiodic/SCN regulation, or the ability to display ... conditions The aim of the current study was to determine the temporal pattern of melatonin and cortisol in the horse under the constant lighting condition of extended darkness (DD) Establishing the ... in the last h of darkness (CT 18-22) as a result of a reduction in serum MT values for of the mares A plausible explanation could be exhaustion of pineal synthetic activity after some 28-30 h of...
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Báo cáo y học: " Pelvo-ureteric junction obstruction in the lower pole moiety of a duplex kidney with an associated intraparenchymal abscess: a case report" pot
Ngày tải lên :
11/08/2014, 21:22
... and the level of function of the lower moiety If the lower moiety is nonfunctioning, heminephrectomy is an option, particularly if the patient is symptomatic If there is reasonable function, then ... interests The authors declare that they have no competing interests Authors' contributions JL gathered the information, reviewed the literature and drafted the manuscript TW critically appraised the ... complete or more commonly incomplete The complete duplications are usually from a second ureteral bud, and the incomplete duplications are a result of the splitting of the ureteral bud [1] defined lower-signal-intensity...
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Cyclic and post cyclic behaviour of soft clays
Ngày tải lên :
09/09/2015, 11:10
... 2001) In the event when equilibration of pore pressure was not achieved, the pore pressure measured at the ends or the centre of the specimen may be lower than the average value of the specimen ... behaviour The shear modulus is often defined as the gradient of a line joining the points of maximum and minimum shear stresses Similarly, the damping ratio is often defined as a ratio between the ... Sun et al 1988) indicate that the higher the void ratio the higher is the position of the normalized shear modulus versus strain curve, i.e the slower the rate of decrease in normalized shear...
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Báo cáo y học: "The Impact of a Nationwide Antibiotic Restriction Program on Antibiotic Usage and Resistance against Nosocomial Pathogens in Turkey"
Ngày tải lên :
25/10/2012, 11:00
... before the initiation of the NARP Even in these selected centres already applying local antibiotic restriction policies the utilisation of many of the restricted antibiotics was decreased and the ... changes the antimicrobial resistance patterns of certain pathogens Since parenteral forms of ciprofloxacin and levofloxacin were not restricted for the first three days of therapy by NARP, the consumption ... trend of resistance rates became downwards after implementation of NARP The amount of money saved increased further After two years of NARP 5,389,155.82 USD saving occurred in the selected drugs The...
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Báo cáo khoa học: Activation of Stat5 and induction of a pregnancy-like mammary gland differentiation by eicosapentaenoic and docosapentaenoic omega-3 fatty acids docx
Ngày tải lên :
16/03/2014, 10:20
... effect of pregnancy on breast epithelial cells; thus, the application of n-3 DPA to the mammary gland may lower the risk of breast cancer by making the mammary epithelial cells behave like the glands ... indicate the potential role of the n-6 ⁄ n-3 ratio on mammary gland differentiation during pregnancy However, we are unsure whether an alternation of the n-6 ⁄ n-3 ratio is one of the instigators of ... development of the initial branching structure, the differentiation starts at the onset of pregnancy with the expansion of secretory lobulo-alveolar architecture Whole mount preparations of the mammary...
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Source investigation of a small event using empirical Green’s functions and simulated annealing ppt
Ngày tải lên :
23/03/2014, 13:20
... for the main earthquake (B) and for the smaller one (S) Seismograms of the smaller event are scaled by a factor of 60 with respect to the seismograms of the main shock that the fit is worst on the ... filter to the raw signal because of the decimation required by the simulated annealing technique The filter depends on the number of points imposed on the source The cut-off frequency of this implicit ... this case, the rupture propagation is continuous from the nucleation point to the edges of the fractured area The consistency of this last solution and the generally smaller value of the misfit...
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Báo cáo khoa học: Insights into the design of a hybrid system between Anabaena ferredoxin-NADP+ reductase and bovine adrenodoxin pot
Ngày tải lên :
31/03/2014, 07:20
... to the changes introduced in the redox cofactor environment upon complex formation They are therefore related to the specificity and the strength of the protein–protein interaction Therefore, the ... point out the different arrangement of the [2Fe)2S] centres of these Fds The cyanobacterial Fd presents an increased shielding from the solvent of the active Fe in ET when compared with that of Adx ... represents the initial rate of the reaction, vs the Adx concentration shows an almost linear correlation (Fig 3A), suggesting that the formation of the optimal complex between the two proteins limits the...
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Báo cáo hóa học: " Identification of a contemporary human parechovirus type 1 by VIDISCA and characterisation of its full genome" pdf
Ngày tải lên :
20/06/2014, 01:20
... updated after the genome of the prototype strain was characterised [17] This strain was isolated in the 1960s For more recent strains, only limited sequencing of a small part of the structural ... in the order of 95% in VP0 and 90% in VP1 For VP3, a maximum co-segregation value of 70% could be identified only in a very small part of the protein An abrupt halt of co-segregation with the ... determined the VP1/2A border a crossing point with HPeV4 was identified by the software, but the region in which co-segregation occurred was rather short (Figure 4) Over the rest of the non-structural...
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báo cáo hóa học:" Research Article Note on the Persistent Property of a Discrete Lotka-Volterra Competitive System with Delays and Feedback Controls" pptx
Ngày tải lên :
21/06/2014, 11:20
... system They obtained the necessary or sufficient conditions for the permanence and the extinction For more works relevant to system 1.1 , one could refer to 1–9 and the references cited therein ... and get the same results as under the weaker assumption that N bil > au Mj ij diu riu j 1,j / i eil 1.10 Our main results are the following Theorem 1.2 Theorem 1.2 Assume that 1.10 holds, then ... Equations Proof of Theorem 1.2 The following lemma can be found in 10 Lemma 2.1 Assume that A > and y > 0, and further suppose that (1) y n ≤ Ay n B n , n 1, 2, 2.1 Ai B n − i − 2.2 Then for...
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báo cáo hóa học:" Research Article The Permanence and Extinction of a Discrete Predator-Prey System with Time Delay and Feedback Controls" ppt
Ngày tải lên :
21/06/2014, 11:20
... represents the rate of conversion of nutrients into the reproduction of the predator Further, τ is a positive integer For the simplicity and convenience of exposition, we introduce the following ... conclusion of Theorem 3.2 holds This completes the proof of Theorem 3.2 In order to obtain the permanence of the component y n of system 1.3 , we next consider the following single-specie system with ... which is contradictory to the boundedness of solution of system 1.3 Therefore, 3.65 holds Now, we prove the conclusion of Theorem 3.5 In fact, if it is not true, then there exists m m m m a sequence...
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báo cáo hóa học:" Research Article Dynamical Analysis of a Delayed Predator-Prey System with Birth Pulse and Impulsive Harvesting at Different Moments" pdf
Ngày tải lên :
21/06/2014, 11:20
... t as t → ∞ This completes the proof The next work is to investigate the permanence of the system 2.4 Before starting our theorem, we give the definition of permanence of system 2.4 Definition ... is the rate of conversion of nutrients into the reproduction rate of the predators The predator population is birth pulse as intrinsic rate of natural increase and density dependence rate of ... t ≥ q for all sufficiently large t This completes the proof of the theorem From Theorems 4.1 and 4.3, we can easily obtain the following theorem Theorem 4.4 If re−wτ1 > β m 1 a e −d2 ∗ ∗ kβx2 /...
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báo cáo hóa học:" Dynamical analysis of a biological resource management model with impulsive releasing and harvesting" pdf
Ngày tải lên :
21/06/2014, 17:20
... predation of the predator, d > is the death rate of predator, c > denotes the product of the per-capita rate of predation and the rate of conversing prey into predator If rc < ad is satisfied, the predator ... denotes the density of the predator population at time t y(t) denotes the density of the prey population Y at time t a > denotes the intrinsic growth rate of the prey population X b > denotes the ... densities of the prey population and the predator population, respectively, r > is the intrinsic growth rate of prey, a > is the coefficient of intraspecific competition, b > is the per-capita rate of...
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Báo cáo khoa học: "Interpreting the variations in xylem sap flux density within the trunk of maritime pine (Pinus pinaster Ait.): application of a model for calculating water flows at tree and stand levels" pdf
Ngày tải lên :
09/08/2014, 04:20
... tial, Ψ The parameters of the model can be derived as follows The resistance of each compartment is given by the slope of the regression line relating the instantaneous sap flux within the compartment, ... slope of the regression line fitted between Jr and (t) i according to equation (6) and then extract the value of C using the value of R cali i culated previously For the capacitance of the needle ... where A is the cross-sectional area of the conc ductive pathway and L the leaf area (all sided) of the tree A was measured after the experic ment on the slice of wood extracted from the trunk...
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Báo cáo y học: "Demonstration of a novel technique to quantitatively assess inflammatory mediators and cells in rat knee joints" pps
Ngày tải lên :
11/08/2014, 08:21
... Measuring the levels of these mediators of inflammation in the synovial fluid from patients can provide information about the underlying pathophysiology of joint disease [2], for example the level of ... model [25-27] and use of this model has gone a long way in aiding the understanding of the time-course of the pathology in clinical RA The model closely mimics the pathology of human RA, including ... the apparatus used for this had limitations, for example the molecular weight cut-off of the microdialysis membrane was 50 kD, and therefore potentially underestimated the levels of IL1β in the...
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Báo cáo y học: " Osteolytic bone destruction resulting from relapse of a testicular tumour 23 years after inguinal orchiectomy and adjuvant chemotherapy: a case report" pot
Ngày tải lên :
11/08/2014, 14:20
... in the left lung The possible mechanisms for the development of late relapses are identified as: 1) the presence of mature teratoma in the germ cell tumour; 2) the growth of the remaining tumour ... after therapy and complete remission [3] Of the 81 patients treated at the University of Indiana for late relapse of germ cell tumours, 60% showed late relapse more than five years after primary therapy ... chemotherapy, although chemotherapy alone is normally insufficient to achieve a complete cure The most efficacious therapy was surgical resection of the tumour mass We report here a case of a...
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Báo cáo y học: " Relatives Education And Coping Toolkit - REACT. Study protocol of a randomised controlled trial to assess the feasibility and effectiveness of a supported self management package for relatives of people with recent onset psychosis" pdf
Ngày tải lên :
11/08/2014, 15:22
... the participant’s views on the consequences of the illness, comprehension of the illness, knowledge of prognosis, the extent to which they attribute blame, knowledge of potential causes and their ... design of the study, design of the intervention management of data collection and drafted the paper DG co-wrote the intervention, facilitates recruitment, and supervises the clinical delivery of the ... This increases the external validity of the findings, but is also the source of some potential limitations These include the variation that will undoubtedly exist in the way in which the intervention...
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