0

estimation of the fatigue life of high strength steel under variable amplitude tension with torsion use of the energy parameter in the critical plane

Báo cáo khoa học:

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

Báo cáo khoa học

... fine roots The increase of proteins was organism caused by presence of microprotein in the mineral soil Humic substances increased in contrast to the litter Fulvic acids were dominant Most of ... (table II, 4) The proportion of litter (fig 4) was lower in 1960 in the Of; in 1986 however, the lowest proportion was to be found in the Ah1horizon In 1960 the bulk density of the Of was 0.13 ... ZeisI-PregI method The determination of carbon in the solution was carried out using Ströhlein apparatus The determination of carbon and nitrogen in the solid state was carried out in the CHN analyser;...
  • 12
  • 210
  • 0
Báo cáo vật lý:

Báo cáo vật lý: "Effect of Temperature on Corrosion Behavior of AISI 304 Stainless Steel with Magnesium Carbonate Deposit" docx

Báo cáo khoa học

... h Then further increase in time has resulting an increased in mass The effect of temperature on the corrosion behavior of AISI 304 stainless steel with MgCO3 deposit has been studied The oxidation ... formation of oxide layer on the metal surface, and 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 ... 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 a sentence Corresponding...
  • 8
  • 512
  • 0
Báo cáo y học:

Báo cáo y học: "Absence of a serum melatonin rhythm under acutely extended darkness in the horse" ppsx

Báo cáo khoa học

... to the onset of melatonin production [12] In humans, melatonin secretion is highest during the hours of darkness, declines in the early morning and stays low during the daytime In contrast, the ... been examined under constant 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 ... (2004) have extended these findings of interspecies differences by demonstrating that the ovine pineal also differs from that of the rodent by the absence of rhythmic expression of inducible cyclic...
  • 8
  • 325
  • 0
Báo cáo y học:

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

Báo cáo khoa học

... Competing 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 ... play a role in the development of PUJO in duplex systems, with peri-ureteric inflammatory change causing a fixation of the PUJ, leading to persistent PUJO [4] Vesico-ureteral reflux to the lower ... ureteral insertion in the case of complete duplex kidney, or due to an aberrant artery PUJO in a duplex system is rare but has been reported in both the upper and the lower moiety in completely and incompletely...
  • 3
  • 306
  • 0
Cyclic and post cyclic behaviour of soft clays

Cyclic and post cyclic behaviour of soft clays

Kỹ thuật - Công nghệ

... understanding cyclic clay 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 ... stress-strain behaviour during cyclic loading is determined using the Masing rule (Masing, 1926) Lastly, the degradation of the backbone curve under cyclic loading is modelled with the use of degradation ... shortcomings of these models in describing the behaviour of Singapore Marine Clay and Kaolin Clay, a new constitutive model for describing the behaviour of soft clays under cyclic loading will...
  • 246
  • 603
  • 0
Báo cáo y học:

Báo cáo y học: "The Impact of a Nationwide Antibiotic Restriction Program on Antibiotic Usage and Resistance against Nosocomial Pathogens in Turkey"

Y học thưởng thức

... restricted for the first three days of therapy by NARP, the consumption of these quinolones was unsurprisingly high Besides that the use of oral quinolones for maintenance may contribute to the significant ... 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 ... and after NARP in a single centre from Turkey revealed 125.3% increase in the use of 2nd and 3rd generation oral cephalosporins [27] Furthermore this finding was confirmed by other studies from...
  • 6
  • 692
  • 0
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

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

Báo cáo khoa học

... gland of the fat-1 transgenic mouse The alternation of n-6 ⁄ n-3 compositional ratio in favor of n-3 fatty acid and a robust increase of n-3 DPA and EPA in the mammary gland following pregnancy indicate ... to in the transgenic mouse We determined the n-6 ⁄ n-3 ratio in the mammary gland in control versus transgenic mice Whereas there is a 3.8-fold decrease in the ratio reflecting a wider range of ... a robust increase of n-3 DPA, from being nondetectable (0%) in the gland from a control mouse to an abundant amount (20% of total PUFAs) in the gland from the fat-1 mouse Induction of differentiated...
  • 12
  • 421
  • 0
Source investigation of a small event using empirical Green’s functions and simulated annealing ppt

Source investigation of a small event using empirical Green’s functions and simulated annealing ppt

Tổ chức sự kiện

... point on the fault plane involves a higher number of points in time on the seismograms k=l n=l where the index k is over the three stations and index n is over the number of points of the STF The ... this inversion the parameters we wish to determine are the amplitudes of the S T F for each point in time The simulated annealing is a two-loop procedure The first loop consists of perturbing the ... at the three stations obtained by deconvolution of the three components together The bold line represents the average solution and dashed lines the error estimates as the beginning of the main...
  • 13
  • 486
  • 0
Báo cáo khoa học: Insights into the design of a hybrid system between Anabaena ferredoxin-NADP+ reductase and bovine adrenodoxin pot

Báo cáo khoa học: Insights into the design of a hybrid system between Anabaena ferredoxin-NADP+ reductase and bovine adrenodoxin pot

Báo cáo khoa học

... naturally synthesized In the present study we have tried to increase the knowledge of the parameters that keep running the ET reactions in proteins by the combination of two biological ET chains involved ... 8–160 lM, were used After recording a baseline with the preincubated NADPH/FNR mixture, present in the cellmeasuring compartment, the reaction was initiated by mixing the contents of the two compartments, ... band is consistent with the presence of FNRsq and it is already present at the very beginning of the reaction, indicating that its formation takes place within the dead time of the steady-state...
  • 10
  • 400
  • 0
Báo cáo hóa học:

Báo cáo hóa học: " Identification of a contemporary human parechovirus type 1 by VIDISCA and characterisation of its full genome" pdf

Hóa học - Dầu khí

... genomes of currently circulating isolates of HPeV1 have been conducted A finding of recombination in principle is not surprising given the propensity of picornaviruses [33-37] including parechoviruses ... before The surprising absence of mosaic recombination in the nonstructural protein genes of BNI-788st and of HPeV3 prototype strains underlines the lack of knowledge on the genesis and ecology of ... recombination with other strains [14,16], the full genome sequence of the type HPeV identified in this study was determined and analysed for recombination We found evidence of the novel strain resulting...
  • 10
  • 432
  • 0
báo cáo hóa học:

báo cáo hóa học:" Research Article Note on the Persistent Property of a Discrete Lotka-Volterra Competitive System with Delays and Feedback Controls" pptx

Hóa học - Dầu khí

... Similarly to the proof of Propositions and in 12 , we can obtain the following Advances in Difference Equations Lemma 2.3 Any solution of system 2.7 with initial condition N > satisfies m ≤ lim inf N ... systems,” Proceedings of the American Mathematical Society, vol 124, no 12, pp 3677–3687, 1996 M L Zeeman, “Extinction in competitive Lotka-Volterra systems,” Proceedings of the American Mathematical ... 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 However,...
  • 9
  • 351
  • 0
báo cáo hóa học:

báo cáo hóa học:" Research Article The Permanence and Extinction of a Discrete Predator-Prey System with Time Delay and Feedback Controls" ppt

Hóa học - Dầu khí

... n denotes the capturing rate of the predator; a21 n /a12 n represents the rate of conversion of nutrients into the reproduction of the predator Further, τ is a positive integer For the simplicity ... 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 feedback control: ... section, we present some useful assumptions and state several lemmas which will be useful in the proving of the main results Throughout this paper, we will have both of the following assumptions: H1...
  • 20
  • 442
  • 0
báo cáo hóa học:

báo cáo hóa học:" Research Article Dynamical Analysis of a Delayed Predator-Prey System with Birth Pulse and Impulsive Harvesting at Different Moments" pdf

Hóa học - Dầu khí

... 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 ... y t be the solution of system 2.3 with initial conditions 2.4 and x2 ζ ϕ2 ζ ζ ∈ ϕ2 ζ ζ ∈ −τ1 , , y t is the solution of system 4.12 with initial conditions z ζ Incorporating −τ1 , By the comparison ... following a Holling type-II functional response with predation coefficients β, and half-saturation constant m k is the rate of conversion of nutrients into the reproduction rate of the predators The...
  • 15
  • 289
  • 0
báo cáo hóa học:

báo cáo hóa học:" Dynamical analysis of a biological resource management model with impulsive releasing and harvesting" pdf

Hóa học - Dầu khí

... 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 ... 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 ... 1, 2, The biological meanings of the parameters in (1.1) can be seen in [10] Jiao and Chen [10] consider the mature predator population is harvested continuously In fact, the population with economic...
  • 31
  • 284
  • 0
Báo cáo khoa học:

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

Báo cáo khoa học

... capacitance of each compartment under natural conditions with minimum disturbance to the tree These methods are consistent with the use of the parameter values in the model Estimation of the bulk ... tree size in either experiment (figure 4) at the sap flux 4.2 Determination of the parameters of the model Figure shows the flux-water potential used in calculating the resistance of the three compartments ... sort of ’runaway’ dehydration resulting in them drying faster than the soil itself An interesting practical issue arising from the present paper is our method for estimating the values of the...
  • 18
  • 406
  • 0
Báo cáo y học:

Báo cáo y học: "Demonstration of a novel technique to quantitatively assess inflammatory mediators and cells in rat knee joints" pps

Báo cáo khoa học

... dramatic increases 14 days after an initial inflammatory insult to the joint, including high and low doses of FCA Furthermore, the contralateral joint of rats injected with the high dose of FCA ... levels of cytokines during adjuvant-induced arthritis This method has the advantage of enabling the contents of synovial fluid to be investigated alone, without the contamination of the surrounding ... assessing whether any inflammatory response was evoked by the experimental set up, including the anaesthetic or the needles themselves; the efficiency of the system was investigated, i.e whether...
  • 8
  • 403
  • 0
Báo cáo y học:

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

Báo cáo khoa học

... as: 1) the presence of mature teratoma in the germ cell tumour; 2) the growth of the remaining tumour not destroyed by the chemotherapy; and 3) the development of a secondary germ cell carcinoma ... history revealed a right inguinal orchiectomy for the removal of testicular tumour performed in France in 1984 The rest of his anamnesis was clinically insignificant In 1984, the patient’s histopathology ... with a calculated annual risk of 1% In two patients, late relapse occurred later than 10 years One of these patients presented with metastatic seminoma, while the other presented with nonseminoma...
  • 4
  • 294
  • 0
Báo cáo y học:

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

Báo cáo khoa học

... treatment, and offering support via existing clinical staff This increases the external validity of the findings, but is also the source of some potential limitations These include the variation ... service users are aware of the study and could invite any of their relatives not currently involved with the service, each service will write to all service users informing them about the study ... invited to take part in lightly structured interviews to explore key domains around their use of and experience of the intervention, focusing on the barriers to using the intervention and potential...
  • 7
  • 305
  • 0
Báo cáo khoa học:

Báo cáo khoa học: " Effect of a povidone-iodine intrauterine infusion on progesterone levels and endometrial steroid receptor expression in mares" pptx

Báo cáo khoa học

... associated with the highest hormone receptor expression in epithelial cells [9,13] Therefore, a decrease in the circulating concentrations of progesterone induced by the release of prostaglandins during ... μm, stained with haematoxylin-eosin and evaluated according to the criteria of Kenney and Doig [21] This included an evaluation of the stage of the estrous cycle and the pathological findings Cellular ... eosinophils) were observed in the uterine biopsy sections of a few mares from the control and infused group The anatomical pattern was superficial, involving only the luminal epithelium and the...
  • 8
  • 347
  • 0

Xem thêm