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  1. 3181
  2. 3182

    Monotone Iterative Technique for the Initial Value Problems of Impulsive Evolution Equations in Ordered Banach Spaces by He Yang

    Published 2010-01-01
    “…This paper deals with the existence and uniqueness of mild solutions for the initial value problems of abstract impulsive evolution equations in an ordered Banach space E:u′(t)+Au(t)=f(t,u(t),Gu(t)), t∈[0,a], t≠tk, Δu|t=tk=Ik(u(tk)), 0<t1<t2<⋯<tm<a, u(0)=u0, where A:D(A)⊂E→E is a closed linear operator, and f:[0,a]×E×E→E is a nonlinear mapping. …”
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  3. 3183

    Existence of Positive Solutions of a Discrete Elastic Beam Equation by Ruyun Ma, Jiemei Li, Chenghua Gao

    Published 2010-01-01
    “…We consider the existence of positive solutions of the nonlinear boundary value problems of fourth-order difference equations Δ4u(t−2)−ra(t)f(u(t))=0, t∈T2, u(1)=u(T+1)=Δ2u(0)=Δ2u(T)=0, where r is a constant, a:T2→(0,∞),  and  f:[0,∞)→[0,∞) is continuous. …”
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  4. 3184

    Ground State Solutions to a Critical Nonlocal Integrodifferential System by Min Liu, Zhijing Wang, Zhenyu Guo

    Published 2018-01-01
    “…Consider the following nonlocal integrodifferential system: LKu+λ1u+μ1u2⁎-2u+Gu(x,u,v)=0  in  Ω,  LKv+λ2v+μ2v2⁎-2v+Gv(x,u,v)=0  in  Ω,  u=0,  v=0  in  RN∖Ω, where LK is a general nonlocal integrodifferential operator, λ1,λ2,μ1,μ2>0, 2⁎≔2N/N-2s is a fractional Sobolev critical exponent, 0<s<1, N>2s, G(x,u,v) is a lower order perturbation of the critical coupling term, and Ω is an open bounded domain in RN with Lipschitz boundary. …”
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  5. 3185

    Rušenje mostova by Kaja Jagarinec, Ivana Štimac Grandić

    Published 2022-12-01
    “…Prirodne pojave obuhvaćaju poplave, potrese, tornada, i sl. U ovome radu predstavljena je statistika rušenja mostova u ovisnosti o lokaciji mosta, godini gradnje i godinama uporabe, vrsti konstrukcije i materijalu te u ovisnosti o uzrocima rušenja na uzorku od 60 mostova. …”
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  6. 3186

    Quasilinear Schrödinger equations with general sublinear conditions by Safa Bridaa, Abderrazek Hassine, Taib Talbi

    Published 2024-12-01
    “…In this paper, we study the quasilinear Schrödinger equations $$-\Delta u+V(x)u+\Delta(u^2)u = f(x, u),\qquad\forall x\in\mathbb{R}^N,$$ where $V\in C(\mathbb{R}^N;\mathbb{R})$ may change sign and $f$ is only locally defined for $|u|$ small. …”
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  7. 3187

    Multiplicity Results for the px-Laplacian Equation with Singular Nonlinearities and Nonlinear Neumann Boundary Condition by K. Saoudi, M. Kratou, S. Alsadhan

    Published 2016-01-01
    “…We investigate the singular Neumann problem involving the p(x)-Laplace operator: Pλ{-Δpxu+|u|px-2u  =1/uδx+fx,u, in  Ω;  u>0,  in  Ω;  ∇upx-2∂u/∂ν=λuqx,  on  ∂Ω}, where Ω⊂RNN≥2 is a bounded domain with C2 boundary, λ is a positive parameter, and px,qx,δx, and fx,u are assumed to satisfy assumptions (H0)–(H5) in the Introduction. …”
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  8. 3188

    Mixed Initial-Boundary Value Problem for the Capillary Wave Equation by B. Juarez Campos, Elena Kaikina, Hector F. Ruiz Paredes

    Published 2016-01-01
    “…We study the mixed initial-boundary value problem for the capillary wave equation: iut+u2u=∂x3/2u,  t>0,  x>0;  u(x,0)=u0(x),  x>0; u(0,t)+βux(0,t)=h(t),  t>0, where ∂x3/2u=(1/2π)∫0∞sign⁡x-y/x-yuyy(y) dy. …”
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  9. 3189

    Existence and Nonexistence for Boundary Problem Involving the p-Biharmonic Operator and Singular Nonlinearities by Mohammed El Mokhtar Ould El Mokhtar

    Published 2023-01-01
    “…This article concerns the existence and the nonexistence of solution for the following boundary problem involving the p-biharmonic operator and singular nonlinearities,  Δp2u=uγ−1uu−1−α/xβu in Ω and u=∂u/∂n=0 on ∂Ω, where 4<2p<N,0∈Ω, −∞<μ<μ∗,=N−2p1−α/pN,p<γ<p∗=pN/N−2p  is the critical Sobolev exponent,  0≤β<Nγ+α/γ+1, 0<α<1. …”
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  10. 3190

    Kratkoročno predviđanje vibracionog ponašanja Fransis turbine nakon višedecenijske eksploatacije by Jovana Petrović, Ivan Božić

    Published 2021-03-01
    “…Savremeni pristupi u prognoziranju i sprečavanju havarije, smanjenju broja i dužine trajanja zastoja, otkrivanju i praćenju otkaza u stvarnim višedecenijskim pogonskim uslovima hidroagregata, zasnivaju se na vibrodijagnostici. …”
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  11. 3191

    A New Solution Operator of One-Dimensional p-Laplacian with a Sign-Changing Weight and Its Application by Inbo Sim, Yong Hoon Lee

    Published 2012-01-01
    “…We establish a new solution operator for the following problem -φp(u′)′=g, t∈(0,1), u(0)=0=u(1), where φp(x)=|x|p-2x, p>1. g may be singular at the boundary or change signs or may not be in L1(0,1) so that this solution operator can cover larger class of g than previously known ones. …”
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  12. 3192

    Masivna opstetrička krvarenja: narativni pregledni rad by Sandro Glumac, Mate Perković, Neven Elezović

    Published 2024-01-01
    “…Masivna opstetrička krvarenja učestali su uzrok smrti rodilja u zemljama u razvoju, ali i u razvijenim zemljama. …”
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  13. 3193

    BISKUPOVA PISMA VATROSLAVU JAGIĆU (1886. – 1901.) by ALOJZ JEMBRIH

    Published 2014-01-01
    “…Od 13.553 pisma koliko ih je upućeno Vatroslavu Jagiću a koja su pohranjena u NSK u Zagrebu, u Odjelu rukopisa i rijetkih starih knjiga, deset je pisama Jagiću uputio senjski biskup, kasnije zagrebački nadbiskup Josip Juraj Posilović. …”
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  14. 3194

    Existence of normalized solutions for a Sobolev supercritical Schrödinger equation by Quanqing Li, Zhipeng Yang

    Published 2024-12-01
    “…This paper studies the existence of normalized solutions for the following Schrödinger equation with Sobolev supercritical growth: \begin{document}$ \begin{equation*} \begin{cases} -\Delta u+V(x)u+\lambda u = f(u)+\mu |u|^{p-2}u, \quad &\hbox{in}\;\mathbb{R}^N,\\ \int_{\mathbb{R}^N}|u|^2dx = a^2, \end{cases} \end{equation*} $\end{document} where $ p > 2^*: = \frac{2N}{N-2} $, $ N\geq 3 $, $ a > 0 $, $ \lambda \in \mathbb{R} $ is an unknown Lagrange multiplier, $ V \in C(\mathbb{R}^N, \mathbb{R}) $, $ f $ satisfies weak mass subcritical conditions. …”
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  15. 3195

    Eksperimentalna istraživanja na fizikalnom modelu Peltonove turbine by Stjepan Komljenović, Elvis Žic, Saša Laloš

    Published 2019-02-01
    “…U radu je opisan princip rada fizikalnog modela GUNT HM 289, eksperimentalnog uređaja Peltonove turbine izrađenog u Laboratoriju za hidrotehniku Građevinskog fakulteta Sveučilišta u Rijeci. …”
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  16. 3196

    Nelinearna analiza vitkih čeličnih greda by Izabela Šutić, Paulina Krolo, Mladen Bulić

    Published 2019-02-01
    “…U radu je provedena analiza ponašanja tankostjenog hrpta neukrućene zavarene grede na utjecaj jednoliko raspodijeljenog vertikalnog opterećenja. …”
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  17. 3197

    Prenaponska zaštita objekata priključenih na niskonaponsku mrežu by Nikola Tanasković, Iva Batić, Tomislav Rajić

    Published 2024-09-01
    “…U radu je prikazan i koncept zaštite objekata u niskonaponskim mrežama, kao i prateći softverski alat za automatizovan izbor zona zaštite i gromobranske instalacije.…”
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  18. 3198

    Hibridni besprekidni sistem napajanja za navodnjavanje povrtarskih kultura na parceli “Grabovac”- Obrenovac by Željko V. Despotović, Ilija R. Stevanović

    Published 2021-06-01
    “…U radu je prikazana realizacija hibridnog besprekidnog sistema napajanja koji se koristi u sistemima navodnjavanja „kap po kap“ i „Agrokapilaris“, povrtarskih kultura na oglednoj parceli Srednje Tehničke Poljoprivredno-Hemijske škole iz Obrenovca, na lokaciji mesta Grabovac. …”
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  19. 3199

    relejna zaštita, koordinacija, optimizacija, usmerena zemljospojna zaštita by Siniša Spremić, Dušan Obradović

    Published 2022-03-01
    “…Od ukupnih tehničkih gubitaka snage i gubitaka električne energije (u daljem tekstu: gubici) u distribuciji električne energije najveći deo otpada na tehničke gubitke u niskonaponskim vodovima. …”
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  20. 3200