Showing 161 - 180 results of 482 for search '"K2"', query time: 0.09s Refine Results
  1. 161

    Modeling of influence of cooled and uncooled rolls on temperatures and stresses of the industrial ingot surface in the area of the secondary cooling by A. N. Chichko, D. M. Kukuj, N. V. Andrianov, Ju. V. Jatskevich, O. I. Chichko

    Published 2003-08-01
    “…There is received the information about the stresses in ingots from the steel 40X, 70K, 2C45, 20C45, 20XH3A. There is shown, that the highest level of tensile stresses is observed for the ingot from the steel 40X, and the lowest — for the ingot from the steel 70K.…”
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  2. 162

    Permanents of Hexagonal and Armchair Chains by O. Nekooei, H. Barzegar, A. R. Ashrafi

    Published 2022-01-01
    “…As a consequence of our work, it is proved that if Gk and Hk denote the hexagonal and armchair chains, respectively, then permAG1=4, permAGk=k+12, k≥2, and permAHk=4k with k≥1. One question about the permanent of a hexagonal zig-zag chain is also presented.…”
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  3. 163

    Nearly Quadratic Mappings over p-Adic Fields by M. Eshaghi Gordji, H. Khodaei, Gwang Hui Kim

    Published 2012-01-01
    “…We establish some stability results over p-adic fields for the generalized quadratic functional equation ∑k=2n∑i1=2k∑i2=i1+1k+1⋯∑in-k+1=in-k+1nf(∑i=1,i≠i1,…,in-k+1nxi-∑r=1n-k+1xir)+f(∑i=1nxi)=2n-1∑i=1nf(xi), where n∈N and n≥2.…”
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  4. 164

    Convergence Theorems for Fixed Points of Multivalued Strictly Pseudocontractive Mappings in Hilbert Spaces by C. E. Chidume, C. O. Chidume, N. Djitté, M. S. Minjibir

    Published 2013-01-01
    “…Let K be a nonempty, closed, and convex subset of a real Hilbert space H. Suppose that T:K→2K is a multivalued strictly pseudocontractive mapping such that F(T)≠∅. …”
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  5. 165
  6. 166

    A Decomposition Algorithm for Learning Bayesian Networks Based on Scoring Function by Mingmin Zhu, Sanyang Liu

    Published 2012-01-01
    “…Then it orientates the local edges in each subgraph by the K2-scoring greedy searching. The last step is combining directed subgraphs to obtain final BN structure. …”
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  7. 167

    Comparative assessment of the quality of life of the patients after phacoemulsification of cataract, complicated by a violation of capsular support of the lens, with various method... by Kozhukhov A.A, Kapranov D.O.

    Published 2018-07-01
    “…<br> <b>Results</b>: the most pronounced increase of QOL according to « QQLPC», «QVL», «VFQ-25» was noted in the MG (94.7, 25.7 and 9.9%), in the K1 group, the positive dynamics were less pronounced (86.8, 14.6, 7.0%), in the K2 group even less pronounced (85.3, 12.3, 6.7%).…”
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  8. 168

    Annealing temperature modify of crystalline structure, magnetic properties and antibacterial performance in nickel substituted cobalt ferrite nanoparticles utilizing natural-fine-s... by Laksmita Farah Bestari, Lathifah Iqlimatussholihah, Nurdiyantoro Putra Prasetya, Kusumandari, Utari, Riyatun, Budi Purnama

    Published 2024-12-01
    “…Here, the redistribution of two and three plus ions in the sub-lattice k1 and k2 locations should be encouraged by the Jahn-Teller phenomenon through strain-induced magnetism. …”
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  9. 169

    A study on the variability and correlation of ocular biological measurement parameters in adult myopic patients by Fangxing Zhou, Nan Chen, Hui Qian, Di Gong, Kunke Li

    Published 2025-01-01
    “…Significant differences (p &lt; 0.05) were also found in DS, DC, SE, CCT, K1, K2, Km, ACD, CRC, and AL/CRC among different axial length groups. …”
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  10. 170

    Rebound Mechanism and Control of the Hard Main Roof in the Deep Mining Roadway in Huainan Mining Area by Denghong Chen, Chao Li, Xinzhu Hua, Xiaoyu Lu, Yongqiang Yuan, Chen Li

    Published 2021-01-01
    “…Considering that the damage area still has a large bearing capacity, the vertical stress of the main roof at the junction is K1γH (0.05γh, 0.15γh, and 0.25γh) and K2γH (0.01γh, 0.10γh, and 0.2γh). The maximum deflection is 21 mm, 324 mm, and 627.6 mm, respectively. …”
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  11. 171

    Efectividad de la larva Hermetia illucens como organismo bioconversor de excretas humanas en condiciones de laboratorio by Verónika Vera Marmanillo, Daniel Enrique Rado Arenas, Renzo Rodrigo Quiñones Loaiza, Adriana Jiménez Morveli

    Published 2023-07-01
    “…En el análisis por fluorescencia de rayos X, se obtuvo, N: 4,4%, P: 1,9% K: 2,5% para la muestra 1 tratada y N: 4,9%, P: 2,9% K: 2,5% para la muestra 2 tratada. …”
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  12. 172

    Genesis of the Bieyesamas Monzogranite of the Altay Mountain, Xinjiang, Northwestern China, and Its Rare Metal Resource Potential by Gengbiao Qiao, Xiaoyan Chen, Wenming Li

    Published 2021-01-01
    “…The geochemical analysis shows that the pluton is characterized by high SiO2 (70.45%~75.44%), Al2O3 (14. 04%~17.14%), potassium and alkaline (K2O=4.20%~4.78%, Na2O+K2O=7.90%~8.99%), A/CNK (1.16~1.28), and high corundum (2.33%~5.08%) being found in CIPW standard minerals, belonging to high-K calc-alkaline peraluminous series. …”
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  13. 173

    Optimization of fermentation conditions to increase the production of antifungal metabolites from Streptomyces sp. KN37 by Xiaoyue Yang, Lijing Yuan, Muhammad Zeeshan, Chuntian Yang, Wen Gao, Guoqiang Zhang, Chunjuan Wang

    Published 2025-01-01
    “…The results of the Plackett-Burman design showed that millet, yeast extract, and K2HPO4 were the key factors influencing its antifungal activity. …”
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  14. 174

    Retrieval of Land Surface Temperature From Passive Microwave Observations Using CatBoost-Based Adaptive Feature Selection by Yang Dai, Yingbao Yang, Xin Pan, Penghua Hu, Xiangjin Meng, Fanggang Li, Zhenwei Wang

    Published 2025-01-01
    “…Results showed that the proposed method had lowest RMSE, with the value of 3.28 K (1.95 K), 2.69 K (1.65 K), and 3.71 K (2.22 K) on grassland, cropland, and barren land at daytime (nighttime), respectively. …”
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  15. 175

    A Fast Implicit Finite Difference Method for Fractional Advection-Dispersion Equations with Fractional Derivative Boundary Conditions by Taohua Liu, Muzhou Hou

    Published 2017-01-01
    “…Traditionally, the Gaussian elimination method requires storage of O(K2) and computational cost of O(K3). Finally, the accuracy and efficiency of the method are checked with a numerical example.…”
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  16. 176

    Ranked solutions of the matric equation A1X1=A2X2 by A. Duane Porter, Nick Mousouris

    Published 1980-01-01
    “…In this paper, formulas are given for finding the number of X1,X2 over GF(pz) which satisfy the matric equation A1X1=A2X2, where X1 is m×t of rank k1, and X2 is n×t of rank k2. These results are then used to find the number of solutions X1,…,Xn, Y1,…,Ym, m,n>1, of the matric equation A1X1…Xn=A2Y1…Ym.…”
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  17. 177

    Permanence for the Discrete Competition Model with Infinite Deviating Arguments by Baoguo Chen

    Published 2016-01-01
    “…Sufficient conditions are obtained for the permanence of the following discrete model of competition: x1k+1=x1(k)exp {r1kK1k+α1k∑s=0+∞J2sx2k-s/1+∑s=0+∞J2sx2k-s-x1k-δ1k}; x2(k+1)=x2(k)exp {r2kK2k+α2k∑s=0+∞J1sx1k-s/1+∑s=0+∞J1sx1k-s-x2k-δ2k}, where ri,Ki,αi, Ji, and δi, i=1,2, are nonnegative sequences bounded above and below by positive constants, and Ki>αi, i=1,2.…”
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  18. 178

    Uniqueness Theorems on Difference Monomials of Entire Functions by Gang Wang, Deng-li Han, Zhi-Tao Wen

    Published 2012-01-01
    “…It is proved that if one of the following holds (i) n≥6 and k=3, (ii) n≥7 and k=2, and (iii) n≥10 and k=1, then fg=t1 or f=t2g for some constants t2 and t3 which satisfy t2n+1=1 and t3n+1=1. …”
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  19. 179
  20. 180

    The Full m Index Sets of P2×Pn by Zhizhong Liu, Jinmeng Liu, Yurong Ji

    Published 2023-01-01
    “…In particular, we embed small graphs like C4 and K2 into P2×Pn and apply recursive techniques to prove the main results. …”
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