Showing 201 - 220 results of 482 for search '"K2"', query time: 0.11s Refine Results
  1. 201

    Links for a common cultural identity in the Mediterranean Basin by Montserrat Bosch Gonzáles, Tiziana Campisi

    Published 2021-12-01
    “…We also want to associate the shared creation – through the European Erasmus+ project, K2 action, entitled Smart Rehabilitation 3.0 – of a common professional profile in Building Rehabilitation Expert, as a model of rehabilitation and safeguard for historic Mediterranean cities.…”
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    Article
  2. 202

    On a subclass of α-convex λ-spiral functions by F. M. Al-Oboudi, M. M. Hidan

    Published 2002-01-01
    “…Let H denote the class of functions f(z)=z+∑k=2∞akzk which are analytic in the unit disc Δ={z:|z|<1}. …”
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  3. 203

    Surface Potential of Polycrystalline Hematite in Aqueous Medium by Tajana Preočanin, Filip Stipić, Atiđa Selmani, Nikola Kallay

    Published 2011-01-01
    “…The theoretical interpretation of the equilibrium data was performed by applying the surface complexation model and the thermodynamic equilibrium constants for the first and the second step of surface protonation was obtained as logK1∘=11.3;logK2∘=2.8.…”
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  4. 204

    Direct Synthesis of (K0.5Na0.5)NbO3 Powders by Mechanochemical Method by Nguyen Duc Van

    Published 2013-01-01
    “…The synthesis and structural properties of lead-free piezoelectric (K0.5Na0.5)NbO3 powders prepared by mechanochemical method using Nb2O5, K2CO3, and Na2CO3 as starting materials were reported. …”
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    Article
  5. 205

    On the Domination Number of Cartesian Product of Two Directed Cycles by Zehui Shao, Enqiang Zhu, Fangnian Lang

    Published 2013-01-01
    “…In 2013, Mollard determined the exact values of γ(Cm□Cn) for m=3k+2. In this paper, we give lower and upper bounds of γ(Cm□Cn) with m=3k+1 for different cases. …”
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  6. 206

    Computing Minimal Doubly Resolving Sets and the Strong Metric Dimension of the Layer Sun Graph and the Line Graph of the Layer Sun Graph by Jia-Bao Liu, Ali Zafari

    Published 2020-01-01
    “…In this paper, first, we construct a class of graphs of order 2n+Σr=1k−2nmr, denoted by LSGn,m,k, and call these graphs as the layer Sun graphs with parameters n, m, and k. …”
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  7. 207

    Dopant Concentration and Effective Atomic Number of Copper-Doped Potassium Borate Glasses by I. Hossain, N. K. Shekaili, H. Wagiran

    Published 2013-01-01
    “…Copper-doped (0.5 mol%) and undoped potassium borate glasses have been prepared by the composition of (100-x)H3BO3 + xK2CO3, where 10 ≤ x ≤ 30 mol % by the traditional melting quenching method. …”
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    Article
  8. 208

    Viscosity model for fully liquid silicate melt by Zhang Guo-Hua, Chou Kuo-Chih

    Published 2012-01-01
    “…A model for estimating the viscosity of silicate melt as derived in our previous paper is extended to the system containing MgO, CaO, SrO, BaO, Li2O, Na2O, K2O, which can express the nonlinear variation of activation energy of viscosity with the composition. …”
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    Article
  9. 209

    Qualitative Analysis of a Quadratic Integrate-and-Fire Neuron Model with State-Dependent Feedback Control by Guangyao Tang, Jin Yang, Sanyi Tang

    Published 2015-01-01
    “…Moreover, the existence and nonexistence of an order k  k≥2 periodic solution have been studied theoretically and numerically, and the results show that the system has periodic solutions with any period. …”
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  10. 210
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  12. 212

    Holling-Tanner Predator-Prey Model with State-Dependent Feedback Control by Jin Yang, Guangyao Tang, Sanyi Tang

    Published 2018-01-01
    “…Furthermore, the conditions for the existence and stability of an order-1 limit cycle are provided, and the existence of order-k(k≥2) limit cycle is also studied. Moreover, numerical simulations are carried out to substantiate our results. …”
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  13. 213

    Global Attractivity of an Integrodifferential Model of Mutualism by Xiangdong Xie, Fengde Chen, Kun Yang, Yalong Xue

    Published 2014-01-01
    “…Sufficient conditions are obtained for the global attractivity of the following integrodifferential model of mutualism: dN1(t)/dt=r1N1(t)[((K1+α1∫0∞J2(s)N2(t-s)ds)‍/(1+∫0∞J2(s)N2(t-s)ds))‍-N1(t)], dN2(t)/dt=r2N2(t)[((K2+α2∫0∞J1(s)N1(t-s)ds)‍/(1+∫0∞J1(s)N1(t-s)ds‍))-N2(t)], where ri,Ki, and αi, i=1,2, are all positive constants. …”
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  14. 214

    Complex formation between 3;3´-diethylthiacarbocyanine iodide and DNA and its investigation in aqueous solution by M. Y. Anikovsky, A. S. Tatikolov, V. A. Kuzmin

    Published 1999-01-01
    “…Equilibrium constants of the formation of complexes I and II were determined (K1≈106M−1, K2≈5×104M−1 accordingly). Differential absorption spectra of two photoisomers of DTCC were obtained by flash photolysis method; it was found that the quantum yield of the short-lived photoisomer decreases and the quantum yield of the second long-lived photoisomer builds up with the increase in the DNA concentration. …”
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  15. 215

    Application of Nuclear Analytical Techniques in Elemental Characterization of Wadi El-Nakhil Alabaster, Central Eastern Desert, Egypt by Zain M. Alamoudi, A. El-Taher

    Published 2016-01-01
    “…The chemical analysis of alabaster indicated having high contents of CaO and MgO and LOI and low contents of SiO2, Al2O3, Na2O, K2O, MnO, and Fe2O3.…”
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  16. 216

    Resource Efficient Hardware Architecture for Fast Computation of Running Max/Min Filters by Cesar Torres-Huitzil

    Published 2013-01-01
    “…Filtering with a k×k kernel requires of k2−1 comparisons per sample for a direct implementation; thus, performance scales expensively with the kernel size k. …”
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  17. 217

    Almost Periodic Solutions of a Discrete Mutualism Model with Variable Delays by Yongzhi Liao, Tianwei Zhang

    Published 2012-01-01
    “…We discuss a discrete mutualism model with variable delays of the formsN1(n+1)=N1(n)exp{r1(n)[(K1(n)+α1(n)N2(n-μ2(n)))/1+N2(n-μ2(n)))-N1(n-ν1(n))]}, N2(n+1)=N2(n)exp{r2(n)[(K2(n)+α2(n)N1(n-μ1(n)))/(1+N1(n-μ1(n)))-N2(n-ν2(n))]}. …”
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  18. 218

    Petrology of Oligocene Lalehzar igneous rocks in the southeast of Saveh-Naein-Jiroft magmatic belt by Fatemeh Sepidbar, Bahareh Borouzi Niyat

    Published 2024-12-01
    “….%, Al2O3 in ranges of 15.8 to 19.3 wt.%, K2O in ranges of 1.4 to 5.4 wt.% and of K2O/Na2O in range of 0.4 and 1.2. …”
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  19. 219

    Ultrahigh average zT realized in polycrystalline SnSe0.95 materials through Sn stabilizing and carrier modulation by Xing Yang, Tian-En Shi, Wang-Qi Bao, Zi-Yuan Wang, Jun Wang, Peng Wu, Yi-Xin Zhang, Jing Feng, Zhen-Hua Ge

    Published 2025-03-01
    “…Simultaneously, a high average power factor value of 334 μW·m−1·K−2 for the SnSe0.95 + 1.75% (in mass) TaCl5 sample from 323 to 773 K was obtained. …”
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  20. 220

    Hypervirulent Klebsiella pneumoniae have better clinical outcomes than classical Klebsiella pneumoniae for lower respiratory tract infection patients by Xianxia Zhuo, Zichen Lei, Danni Pu, Yongli Wu, Jiankang Zhao, Bin Cao

    Published 2025-01-01
    “…Among these isolates subjected to mouse infection experiments, the proportions of strains exhibiting hypervirulent phenotypes were 92.6% (25/27), 92.1% (35/38), 80% (4/5), 25% (1/4), 10.5% (2/19), and 7.1% (1/14) for K2, K1, K20, K54, K47, and K25, respectively. Therefore, K1, K2, and K20 K. pneumoniae were defined as hvKp. …”
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