Showing 3,761 - 3,780 results of 10,741 for search '"U.S."', query time: 0.09s Refine Results
  1. 3761
  2. 3762

    On the continuity of principal eigenvalues for boundary value problems with indefinite weight function with respect to radius of balls in ℝN by Ghasem Alizadeh Afrouzi

    Published 2002-01-01
    “…., eigenvalues corresponding to positive eigenfunctions) for the boundary value problem −Δu(x)=λg(x)u(x), x∈BR(0);u(x)=0, |x|=R, where BR(0) is a ball in ℝN, and g is a smooth function, and we show that λ1+(R) and λ1−(R) are continuous functions of R.…”
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  3. 3763

    Nontrivial Solutions for 4-Superlinear Schrödinger–Kirchhoff Equations with Indefinite Potentials by Wei Chen, Yue Wu

    Published 2021-01-01
    “…This paper is devoted to the 4-superlinear Schrödinger–Kirchhoff equation −a+b∫ℝ3∇u2dxΔu+Vxu=fx,u,in ℝ3, where a>0, b≥0. The potential V here is indefinite so that the Schrödinger operator −Δ+V possesses a finite-dimensional negative space. …”
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  4. 3764
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  7. 3767

    Influence of urokinase gene-knockout in C57BL/6-PlautmI. IBugThisPlau6FDhu/GFDhu mice on growth factors in malignant melanoma by E. M. Frantsiyants, I. V. Kaplieva, I. V. Neskubina, V. A. Bandovkina, L. K. Trepitaki, E. I. Surikova, N. D. Cheryarina, L. A. Nemashkalova, N. S. Lesovaya

    Published 2020-03-01
    “…Studying characteristics of the growth factor dynamics in the intact skin, tumors and perifocal tissues of melanoma in urokinase (uPA) gene-knockout mice.Materials and methods. …”
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  8. 3768

    激活TGR5缓解肾缺血再灌注后肾脏纤维化损伤 by 李蒙, 隆罗莎, 梁柏恩, 徐龙, 赵晓朵, 王蔚东, 李春凌

    Published 2023-07-01
    “…目的探讨激活胆汁酸受体TGR5在单肾缺血再灌注损伤合并对侧肾摘除(uIRIx)模型诱导的肾脏纤维化中的作用。方法体内实验:将C57BL/6J小鼠随机分成假手术(Sham)组、uIRIx组及uIRIx+石胆酸(LCA)组,每组6只,使用uIRIx模型诱导肾脏纤维化,通过血和尿生化指标评估肾脏功能,利用HE染色评估肾脏损伤程度,使用Masson染色及免疫组化对肾脏纤维化程度进行评估,并用Western Blotting检测肾脏皮质纤维化相关指标蛋白表达;分别在<italic>TGR5</italic><sup>+/+</sup>小鼠及<italic>TGR5</italic><sup>-/-</sup>小鼠中设置Sham组及uIRIx组,每组6只,利用Western Blotting检测各组肾脏纤维化程度。…”
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  9. 3769
  10. 3770

    Detekcija i otklanjanje uzroka nestabilnog rada sistema by Bojan Ivanović

    Published 2023-12-01
    “…Stabilnost na male poremećaje, koja se još naziva statička stabilnost ili modalna analiza, se bavi stabilnošću sistema u slučaju malih poremećaja kao što su promene u potrošnji ili proizvodnji na satnom i dnevnom nivou. …”
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  11. 3771

    Essential Norm of the Weighted Composition Operators Between Growth Space by Ebrahim Abbasi, Mostafa Hassanlou

    Published 2025-01-01
    “…Especially, we show that\begin{align*}\left\|uC_\varphi\right\|_{ \mathcal{A}^{-\alpha}\rightarrow \mathcal{A}^{-\beta}}= \sup_{z\in\mathbb{D}}\frac{\left(1-\left |z \right|^2\right)^\beta \left|u(z)\right|}{\left(1-\left |\varphi(z) \right|^2 \right)^\alpha}.…”
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  12. 3772
  13. 3773

    North American Integration after 20 Years by G. M. Kostyunina

    Published 2015-04-01
    “…Formation of the North American Free Trade Area (NAFTA) among the three countries - the U.S., Canada and Mexico is the most striking example of successful development of integration processes in the Western Hemisphere. …”
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  14. 3774

    The Effect of Vacuum Annealing of Magnetite and Zero-Valent Iron Nanoparticles on the Removal of Aqueous Uranium by R. A. Crane, T. B. Scott

    Published 2013-01-01
    “…Over extended reaction periods (>1 week), appreciable U rerelease was recorded for the mine water solutions treated using nano-Fe0, whilst the vacuum annealed material maintained U at <50 μg L−1 until 4 weeks reaction. …”
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  15. 3775
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    Boundedness of classical solutions to a chemotaxis consumption system with signal dependent motility and logistic source by Baghaei, Khadijeh

    Published 2023-11-01
    “…We consider the chemotaxis system: \begin{equation*} {\left\lbrace \begin{array}{ll} u_{t}=\nabla \cdot \big (\gamma (v) \nabla u-u \,\xi (v) \nabla v\big )+\mu \, u(1-u), & x\in \Omega , \ t>0, \\ v_{t}=\Delta v-uv, & x\in \Omega , \ t>0, \end{array}\right.} …”
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  17. 3777
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    Optimization of the heat transfer efficiency of a ground source heat pump heating system via FLUENT numerical simulation with fluid–solid coupling by Wei Wei

    Published 2025-01-01
    “…Sensitivity analysis shows that soil thermal conductivity has the greatest impact on the heat transfer efficiency, followed by the U-tube length, U-tube diameter, and finally, the circulating water flow rate. …”
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  20. 3780