نتایج جستجو برای: b0 no inoculation control
تعداد نتایج: 4292969 فیلتر نتایج به سال:
In this paper we extend the well-known bifurcation theory for autonomous logistic equations to the non-autonomous equation ut −∆u = λu− b(t)u with b(t) ∈ [b0, B0], 0 < b0 < B0 < 2b0. In particular, we prove the existence of a unique uniformly bounded trajectory that bifurcates from zero as λ passes through the first eigenvalue of the Laplacian, which attracts all other trajectories. Although it...
To determine the effect of dietary methionine supplementation on intestinal amino acid/peptide/monocarboxylic acid transporter gene expression, a total of 242 male Cobb-500 broilers were fed from day of hatch to 35 d of age using a basal diet deficient in sulfur amino acids (control), or the control diet supplemented with dl-methionine (dl-Met), l-methionine (l-Met) or methionine analog dl-2-hy...
Aim. To study the mutual relations between different soybean cultivars and two Bradyrhizobium japonicum strains after mixed inoculation, to evaluate impact of introduced microorganisms on local rhizobial communities in soil, formation functioning symbiotic systems, productivity soybean. Methods. Microbiological serological methods; field experiment, gas chromatography mathematical-statistical m...
Using survey data, various measures of self-control, based respectively on cognitive and behavioral indicators, are compared in their ability to predict eight measures of crime/deviance. The results show that either type of measure produces supportive evidence for the theory, and the behavioral measures provide no better prediction than do the cognitive measures. Unlike cognitive type indicator...
We report final measurements of direct CP–violating asymmetries in charmless decays of neutral bottom hadrons to pairs of charged hadrons with the upgraded Collider Detector at the Fermilab Tevatron. Using the complete √ s = 1.96 TeV proton-antiproton collisions data set, corresponding to 9.3 fb−1 of integrated luminosity, we measure A(Λb → pπ−) = +0.06 ± 0.07(stat) ± 0.03(syst) and A(Λb → pK−)...
We report an improved measurements of direct CP violation in the decay B0 → K+π− using 350 fb−1 of data and measurements of B meson decays to two kaons using 253 fb−1 of data. The measured CP violating asymmetries are ACP(Kπ) = −0.113 ± 0.022(stat.)± 0.008(syst.), ACP(Kπ) = 0.04±0.04(stat.)±0.02(syst.) and ACP(ππ) = 0.02±0.08(stat.)±0.01(syst.), where the latter correspond to the intervals −0.0...
This experiment was conducted to study the effects of three identified isolates of Arbuscular mycorrhizal fungi (AMF) on growth, acid phosphatase enzyme activity and phenolic compounds (phenol, flavonoid and anthocyanin) of zinnia plants (Zinnia elegans L.var. Magellan Red) under water stress conditions. A factorial (two factors) experiment was planned based on a completely randomized design (C...
Pineapple can be affected by fruit collapse, a disease caused the bacterium Dickeya zeae. However, adequate fertilization increase fruit’s resistance to this illness. Therefore, impact of preharvest foliar calcium and silicon on pineapple quality collapse incidence was assessed in study. The experiment implemented split-plot design with two factors. first factor has terms inoculation (flower in...
A single-cylinder marine diesel engine was modified to be operated in reactivity controlled compression ignition (RCCI) combustion mode. The fueling system upgraded a common rail fuel injection system. Natural gas (NG) used as port injection, and diesel/sunflower methyl ester biodiesel mixture for direct injection. fraction of the changed from 0% (B0; 100% diesel) 5% (B5) 20% (B20) while keepin...
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