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Articles de revues sur le sujet « EMF + M = G »

Auteur : Grafiati

Publié le 7 juin 2025

Mis à jour le 2 août 2025

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1

Sharma, Pankaj, Somnath Chattopadhyaya, Nirmal Kumar Singh, Marta Bogdan-Chudy, and Grzegorz Krolczyk. "The Effect of an External Magnetic Field on the Aspect Ratio and Heat Input of Gas-Metal-Arc-Welded AZ31B Alloy Weld Joints Using a Response Surface Methodology." Materials 13, no. 22 (2020): 5269. http://dx.doi.org/10.3390/ma13225269.

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This study attempted to analyze and optimize the effect of an external magnetic field (EMF) on the aspect ratio and heat input for AZ31B weld joints that were welded using the gas metal arc welding (GMAW) process. The response surface methodology (RSM) was adopted for the critical analysis, and subsequently, mathematical models were developed based on the experimental results. It was observed that the EMF and its interaction with the wire feed rate significantly affected the aspect ratio and heat input, respectively. At 119 G (magnetic field), 700 mm/min (welding speed), 5.8 m/min feed rate, a

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Imamaliyeva, Samira Z., Dunya M. Babanly, Vladimir P. Zlomanov, Mahammad B. Babanly, and Dilgam B. Taghiyev. "Thermodynamic Properties of Terbium Tellurides." Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases 22, no. 4 (2020): 453–59. http://dx.doi.org/10.17308/kcmf.2020.22/3116.

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The paper presents the results of a study of solid-phase equilibria in the Tb–Te system and the thermodynamic properties of terbium tellurides obtained by the methods of electromotive forces and X-ray diffraction analysis. Based on the experimental data, it was established that the TbTe, Tb2Te3, TbTe2 и TbTe3 compounds are formed in the system. For the investigations of the alloys from the two-phase regions TbTe3+Te, TbTe2+TbTe3, and Tb2Te3+TbTe2, the EMF of concentration cells relative to the TbTe electrode was measured. The EMF of concentration cells relative to the terbium electrode was mea

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Rudra, Sibaprasad, Himansu Talukdar, Bijoy P. Chakravarti, and Kiron K. Kundu. "Ion–ion–solvent interactions in aqueous ionic cosolvent systems. I. Transfer thermodynamics of hydrogen chloride in aqueous sodium nitrate solutions from emf measurements." Canadian Journal of Chemistry 64, no. 10 (1986): 1960–65. http://dx.doi.org/10.1139/v86-324.

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Standard potentials (E0) of the Ag–AgCl electrode have been determined in 1, 2, and 4 m NaNO3 + water mixtures at five equidistant temperatures ranging from 15–35 °C from the emf measurements of the cell: Pt, H2 (g, 1 atm)/HCl (m) NaNO3 +water/AgCl–Ag. These values have been used to evaluate the transfer energetics [Formula: see text] accompanying the transfer of 1 mole of HCl from the standard state in water to the standard state in each of the NaNO3 + water mixtures. Transfer free energies [Formula: see text] of HCl and that of the individual ions obtained from a separate study, and those ob

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Гасанова, Гюнель Самир, Айтен Исмет Агазаде, Юсиф Амиралы Юсибов та Магомед Баба Бабанлы. "Термодинамическое исследование системы Bi2Se3–Bi2Te3 методом ЭДС". Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases 22, № 3 (2020): 310–19. http://dx.doi.org/10.17308/kcmf.2020.22/2961.

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Бинарные и сложные халькогениды с тетрадимитоподобной слоистой структурой представляют большой практический интерес как топологические изоляторы, термоэлектрические и оптоэлектронные материалы. Их фундаментальные термодинамические функции в совокупности с фазовыми диаграммами важны для разработки и оптимизации методов синтеза и выращивания кристаллов. В работе представлены результаты термодинамического исследования исходных соединений и твердых растворов системы Bi2Se3-Bi2Te3 методом электродвижущих сил (ЭДС). Различные модификации этого метода широко применяются для исследования бинарных и сл

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Guha, Prabir K., and Kiron K. Kundu. "Free energies and entropies of transfer of hydrogen halides from water to aqueous 2-methoxy ethanol and structuredness of the solvents." Canadian Journal of Chemistry 63, no. 4 (1985): 798–803. http://dx.doi.org/10.1139/v85-132.

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Standard free energies (ΔGt0) and entropies (ΔSt0) of transfer of HBr and HI from water to some aqueous solutions of 2-methoxy ethanol (ME) have been determined from emf measurements of the cells: Pt, H2 (g, 1 atm)/HBr (m), solvent/AgBr–Ag and Pt, H2 (g, 1 atm)/KOH (m1), KI (m2), solvent/AgI–Ag, respectively, at seven equidistant temperatures ranging from 15 to 45 °C. ΔGt0 values of HBr and HI as well as of HCl obtained from literature, and particularly that of the individual ions obtained by tetraphenylarsonium tetraphenylboron (TATB) assumption, suggest that while H+ is increasingly stabiliz

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Rudra, Sibaprasad, Himansu Talukdar, and Kiron K. Kundu. "Ion–ion–solvent interactions in aqueous ionic cosolvent systems. III. Thermodynamics of hydrogen bromide and hydrogen iodide from water to aqueous solutions of sodium nitrate from emf measurements at different temperatures and the structuredness of the solvents." Canadian Journal of Chemistry 65, no. 12 (1987): 2843–48. http://dx.doi.org/10.1139/v87-472.

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Standard free energies [Formula: see text] and entropies [Formula: see text] of transfer of hydrogen bromide and iodide from water to the aqueous 1, 2, and 4 m of sodium nitrate have been determined by measuring the emf's of the cell: Pt, H2(g, 1 atm)/KOH(m1), KX(m2), solvent/AgX–Ag where X = Br or I at five equidistant temperatures ranging from 15–35°C. [Formula: see text] values of HBr, HI as well as that of HCl obtained from earlier paper and particularly of the individual ions [Formula: see text](i), obtained by use of modified TATB assumption reported earlier and also [Formula: see text](

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Ogawa, Hikaru, Yuji Okada, Miho Kageyama, Hisaaki Gyoten, Shuka Murakami, and Motoaki Kawase. "Quantification Method of Mass Transfer Resistance in Cathode Catalyst Layer in PEFC." ECS Meeting Abstracts MA2023-02, no. 37 (2023): 1754. http://dx.doi.org/10.1149/ma2023-02371754mtgabs.

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Introduction To spread PEFCs, it is important to optimize the cathode catalyst layer (CCL) because the oxygen reduction reaction (ORR) in CCL is sluggish. Our previous study proposed that the mass transfer resistance in the through-plane direction in CCL can be quantified by measuring ORR rate dependency on oxygen partial pressure, effective oxygen diffusion coefficient, ORR rate constant, or CCL thickness[1]. In this study, dependency of the polarization curve on the oxygen partial pressure was measured with commercial supported-platinum catalysts at fixed RH and temperature. The objective of

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Demirhan, Osman. "Genotoxic Effects of Radiofrequency-Electromagnetic Fields." Journal of Toxicology and Environmental Sciences 1, no. 1 (2021): 9–12. http://dx.doi.org/10.55124/jtes.v1i1.50.

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Genotoxic Effects of Radiofrequency-Electromagnetic Fields. IntroductionRadiation is energy emission in the form of electromagnetic waves emitted from the solar system and natural resources on earth. The currents produced by the elementary particles formed by the electric current create the magnetic field. Earth's surface is under the influence of the geomagnetic field emanating from the sun. However, the outer liquid also has a magnetic field created as a result of heat transfer in the core. Therefore, all living organisms on earth live under the influence of electromagnetic fields (EMF

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Rudra, Sibaprasad, Himansu Talukdar, and Kiron K. Kundu. "Ion–ion–solvent interactions in aqueous ionic cosolvent systems. IV. Transfer energetics of water, p-nitroaniline, and benzoic acid from emf/solubility measurements at different temperatures in aqueous sodium nitrate solvent system." Canadian Journal of Chemistry 66, no. 3 (1988): 469–75. http://dx.doi.org/10.1139/v88-081.

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Autoionization constants (Ks) of aqueous mixtures of 1, 2, and 4 m sodium nitrate used as an ionic cosolvent system have been determined from emf measurements of the cell: Pt, H2 (g, 1 atm)/KOH (m1) KCl (m2), solvent/AgCl–Ag at five equidistant temperatures ranging from 15–35 °C. The standard free energies (ΔG0) and entropies (ΔS0) of autoionisation of the solvents were then evaluated from these data. Relative free energies (ΔG0) and entropies of (ΔS0)of autoionization of the solvents when coupled with the previously determined transfer free energies [Formula: see text] and entropies [Formula:

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Ding, Ming-Yi, Jian-Rong Shi, Yue Wu, et al. "Stellar Atmospheric Parameters of M-type Stars from LAMOST DR8." Astrophysical Journal Supplement Series 260, no. 2 (2022): 45. http://dx.doi.org/10.3847/1538-4365/ac6754.

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Abstract The Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) Low Resolution Spectroscopic Survey (LRS) provides massive spectroscopic data on M-type stars, and the derived stellar parameters could bring vital help to various studies. We adopt the ULySS package to perform χ 2 minimization with model spectra generated from the MILES interpolator and determine the stellar atmospheric parameters for the M-type stars from LAMOST LRS Data Release 8. Comparison with the stellar parameters from the APOGEE Stellar Parameter and Chemical Abundance Pipeline (ASPCAP) suggests that most

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Lin, M. F., and G. M. Clinton. "The epidermal growth factor receptor from prostate cells is dephosphorylated by a prostate-specific phosphotyrosyl phosphatase." Molecular and Cellular Biology 8, no. 12 (1988): 5477–85. http://dx.doi.org/10.1128/mcb.8.12.5477-5485.1988.

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Human prostatic acid phosphatase (PAcP) has been found to have phosphotyrosyl-protein phosphatase activity (H. C. Li, J. Chernoff, L. B. Chen, and A. Kirschonbaun, Eur. J. Biochem. 138:45-51, 1984; M.-F. Lin and G. M. Clinton, Biochem. J. 235:351-357, 1986) and has been suggested to negatively regulate phosphotyrosine levels, at least in part, by inhibition of tyrosine protein kinase activity (M.-F. Lin and G. M. Clinton, Adv. Protein Phosphatases 4:199-228, 1987; M.-F. Lin, C. L. Lee, and G. M. Clinton, Mol. Cell. Biol. 6:4753-4757, 1986). We investigated the molecular interaction of PAcP wit

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Lin, M. F., and G. M. Clinton. "The epidermal growth factor receptor from prostate cells is dephosphorylated by a prostate-specific phosphotyrosyl phosphatase." Molecular and Cellular Biology 8, no. 12 (1988): 5477–85. http://dx.doi.org/10.1128/mcb.8.12.5477.

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Human prostatic acid phosphatase (PAcP) has been found to have phosphotyrosyl-protein phosphatase activity (H. C. Li, J. Chernoff, L. B. Chen, and A. Kirschonbaun, Eur. J. Biochem. 138:45-51, 1984; M.-F. Lin and G. M. Clinton, Biochem. J. 235:351-357, 1986) and has been suggested to negatively regulate phosphotyrosine levels, at least in part, by inhibition of tyrosine protein kinase activity (M.-F. Lin and G. M. Clinton, Adv. Protein Phosphatases 4:199-228, 1987; M.-F. Lin, C. L. Lee, and G. M. Clinton, Mol. Cell. Biol. 6:4753-4757, 1986). We investigated the molecular interaction of PAcP wit

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Andrae, René, Hans-Walter Rix, and Vedant Chandra. "Robust Data-driven Metallicities for 175 Million Stars from Gaia XP Spectra." Astrophysical Journal Supplement Series 267, no. 1 (2023): 8. http://dx.doi.org/10.3847/1538-4365/acd53e.

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Abstract We derive and publish data-driven estimates of stellar metallicity [M/H] for ∼175 million stars with low-resolution XP spectra published in Gaia DR3. The [M/H] values, along with T eff and log g , are derived using the XGBoost algorithm, trained on stellar parameters from APOGEE, augmented by a set of very-metal-poor stars. XGBoost draws on a number of data features: the full set of XP spectral coefficients, narrowband fluxes derived from XP spectra, and broadband magnitudes. In particular, we include CatWISE magnitudes, as they reduce the degeneracy of T eff and dust reddening. We al

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Gökmen, Uğur, Zübeyde Özkan, and Sema Bilge Ocak. "Impact of the gamma and neutron attenuation behaviors on the functionally graded composite materials." Physica Scripta 96, no. 12 (2021): 125326. http://dx.doi.org/10.1088/1402-4896/ac41ef.

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Abstract Gamma-ray and neutron shielding properties of the AA6082 + TiO2 (0–50 wt%) functionally graded composite materials (FGCMs) were investigated using the PSD software. The values of the mean free path (MFP), half-value layer (HVL), linear attenuation coefficients (LAC), mass attenuation coefficient (MAC), tenth-value layer (TVL), exposure buildup factors (EBF), effective atomic number (Z eff ), effective conductivity (C eff ), and fast neutron removal cross-sections (FNRC) were found for the energy range between 0.015–15 MeV. The increase in the TiO2 content in the AA6082 composite mater

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Demetri, GD, BW Zenzie, JG Rheinwald, and JD Griffin. "Expression of colony-stimulating factor genes by normal human mesothelial cells and human malignant mesothelioma cells lines in vitro." Blood 74, no. 3 (1989): 940–46. http://dx.doi.org/10.1182/blood.v74.3.940.940.

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Abstract We investigated normal human mesothelial cells and human malignant mesothelioma cell lines for the ability to produce hematopoietic colony- stimulating factors (CSFs) in culture. Early passage cultures of normal diploid human mesothelial cells spontaneously expressed detectable levels of M-CSF mRNA transcripts, but lacked detectable transcripts for GM-CSF or G-CSF. Exposure of normal mesothelial cells to epidermal growth factor (EGF), lipopolysaccharide (LPS), or tumor necrosis factor (TNF) induced expression of G-CSF mRNA. The combination of EGF and TNF induced threefold more G-CSF t

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Demetri, GD, BW Zenzie, JG Rheinwald, and JD Griffin. "Expression of colony-stimulating factor genes by normal human mesothelial cells and human malignant mesothelioma cells lines in vitro." Blood 74, no. 3 (1989): 940–46. http://dx.doi.org/10.1182/blood.v74.3.940.bloodjournal743940.

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We investigated normal human mesothelial cells and human malignant mesothelioma cell lines for the ability to produce hematopoietic colony- stimulating factors (CSFs) in culture. Early passage cultures of normal diploid human mesothelial cells spontaneously expressed detectable levels of M-CSF mRNA transcripts, but lacked detectable transcripts for GM-CSF or G-CSF. Exposure of normal mesothelial cells to epidermal growth factor (EGF), lipopolysaccharide (LPS), or tumor necrosis factor (TNF) induced expression of G-CSF mRNA. The combination of EGF and TNF induced threefold more G-CSF transcript

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Lu, Jinfang, Yuqing Feng, Xujun Peng, and Huiling Li. "Mitochondrial DNA m.3243A>G mutation in ethambutol-induced optic neuropathy: A case report." Indian Journal of Ophthalmology - Case Reports 3, no. 4 (2023): 1120–22. http://dx.doi.org/10.4103/ijo.ijo_294_23.

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A 35-year-old man with maternally inherited diabetes presented with blurring of vision in both eyes for 6 months. He previously received antituberculous therapy including ethambutol (EMB) for 2 years. Temporal disc pallor and central scotomas were noticed in both eyes. P100 latency was delayed in visual evoked potential bilaterally. In addition, an elevated blood lactate concentration was observed. Interestingly, although EMB's potential optic neuropathy toxicity was our first consideration, a m.3243A>G mutation of mitochondrial DNA was found in the blood. Herein, we reported a young patien

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Sun, Mingxu, Bingqiu Chen, Helong Guo, He Zhao, Ming Yang, and Wenyuan Cui. "SPar: Estimating Stellar Parameters from Multiband Photometries with Empirical Stellar Libraries." Astronomical Journal 166, no. 3 (2023): 126. http://dx.doi.org/10.3847/1538-3881/ace5ab.

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Abstract Modern large-scale photometric surveys have provided us with multiband photometries of billions of stars. Determining the stellar atmospheric parameters, such as the effective temperature (T eff) and metallicities ([Fe/H]), absolute magnitudes (M G ), distances (d), and reddening values (E(G BP − G RP)) is fundamental to study the stellar populations, structure, kinematics, and chemistry of the Galaxy. This work constructed an empirical stellar library that maps the stellar parameters to multiband photometries from a data set with Gaia parallaxes, LAMOST atmospheric parameters, and op

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Chae, Kyu-Hyun. "Low-acceleration Gravitational Anomaly from Bayesian 3D Modeling of Wide Binary Orbits: Methodology and Results with Gaia Data Release 3." Astrophysical Journal 985, no. 2 (2025): 210. https://doi.org/10.3847/1538-4357/adce09.

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Abstract Isolated wide binary stars provide natural laboratories to directly probe gravity for Newtonian acceleration of g N ≲ 10−9 m s−2. Recent statistical analyses of wide binaries have been performed only with sky-projected relative velocities v p in the pairs. A new method of Bayesian orbit modeling exploiting three relative velocity components including the radial (line-of-sight) component v r is developed to measure the gravitational anomaly parameter Γ ≡ log 10 γ g ≡ log 10 G eff / G N where G eff is the effective gravitational constant for pseudo-Newtonian elliptical orbits, while G N

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Gharib-Nezhad, Ehsan (Sam), Hamed Valizadegan, Natasha E. Batalha, Miguel J. S. Martinho, and Ben W. P. Lew. "TelescopeML. II. Convolutional Neural Networks for Predicting Brown Dwarf Atmospheric Parameters." Astrophysical Journal 981, no. 1 (2025): 67. https://doi.org/10.3847/1538-4357/ada1d2.

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Abstract Accurately and swiftly predicting the parameters of brown dwarf atmospheres from observational spectra is crucial for understanding their atmospheric composition and guiding future follow-up observations. Here, we utilized convolutional neural networks (CNNs) as a high-performance deep learning algorithm, training them with synthetic spectra generated from Sonora–Bobcat cloudless and equilibrium model grids to infer effective temperatures (T eff), surface gravities ( log g ), carbon-to-oxygen ratios (C/O), and metallicities ([M/H]). The performance metric, or R 2 value (the coefficien

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Qu, Cai-Xia, A.-Li Luo, Rui Wang, et al. "Stellar Atmospheric Parameters for Cool Dwarfs in Gaia Data Release 3." Astrophysical Journal Supplement Series 270, no. 2 (2024): 32. http://dx.doi.org/10.3847/1538-4365/ad103c.

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Abstract We provide a catalog of atmospheric parameters for 1,806,921 cool dwarfs from Gaia Data Release 3 (DR3) that lie within the range covered by LAMOST cool dwarf spectroscopic parameters: 3200 K < T eff < 4300 K, −0.8 < [M/H] < 0.2 dex, and 4.5 < log g < 5.5 dex. Our values are derived based on machine-learning models trained with multiband photometry corrected for dust. The photometric data comprise optical data from the Sloan Digital Sky Survey r, i, and z bands, near-infrared data from the Two Micron All Sky Survey J, H, and K bands, and mid-infrared data from the AL

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Milovanovic, Emina, Igor Milovanovic, and Muhammad Jamil. "Some properties of the Zagreb indices." Filomat 32, no. 7 (2018): 2667–75. http://dx.doi.org/10.2298/fil1807667m.

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Let G = (V,E), V = {1,2,..., n}, E = {e1,e2,..., em}, be a simple graph with n vertices and m edges. Denote by d1 ? d2 ? ... ? dn > 0, and d(e1) ? d(e2) ? d(em), sequences of vertex and edge degrees, respectively. If i-th and j-th vertices of G are adjacent, it is denoted as i ~ j. Graph invariants referred to as the first, second and the first reformulated Zagreb indices are defined as M1=?ni=1 di2, M2= ?i~j didj and EM1 = ?mi=1 d(ei)2, respectively. Let ?1 ? ?2? ... ?n be eigenvalues of G. With ?(G) = ?1 a spectral radius of G is denoted. Lower bounds for invariants M1, M2, EM1 and ?(G) a

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Ariel C. Pedrano and Ricky F. Rulete. "On the total product cordial labeling on the cartesian product of $P_m \times C_n$, $C_m \times C_n$ and the generalized Petersen graph $P(m, n)$." Malaya Journal of Matematik 5, no. 03 (2017): 531–39. http://dx.doi.org/10.26637/mjm503/007.

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A total product cordial labeling of a graph $G$ is a function $f: V \rightarrow\{0,1\}$. For each $x y$, assign the label $f(x) f(y), f$ is called total product cordial labeling of $G$ if it satisfies the condition that $\mid v_f(0)+e_f(0)-$ $v_f(1)-e_f(1) \mid \leq 1$ where $v_f(i)$ and $e_f(i)$ denote the set of vertices and edges which are labeled with $i=0,1$, respectively. A graph with a total product cordial labeling defined on it is called total product cordial. In this paper, we determined the total product cordial labeling of the cartesian product of $P_m \times C_n, C_m \times

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Lee, Hwang Sheng, and Yao Yi Teo. "A combined hydro-pyrometallurgical process for zinc oxide and iron oxide extraction from electric arc furnace dust waste." IOP Conference Series: Earth and Environmental Science 945, no. 1 (2021): 012027. http://dx.doi.org/10.1088/1755-1315/945/1/012027.

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Abstract Electric arc furnace (EAF) dust waste is generated during EAF steelmaking process. Zinc and iron which comprise the highest composition in EAF dust are secondary resources for making steel products. They mainly present in the form of stable zinc ferrite (ZnFe2O4), leading to the extraction process difficult. In this study, a combined hydro-pyrometallurgical process was developed to extract both zinc oxide and iron oxide from EAF dust. Initially, hydrometallurgical leaching was used to leach zinc and iron from EAF dust. Results show that 10 M of hydrochloric acid (HCl) at 25°C can achi

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Chen, Ken, and Laurent Decreusefond. "An approximate analysis of waiting time in multi-class M/G /1/./ EDF queues." ACM SIGMETRICS Performance Evaluation Review 24, no. 1 (1996): 190–99. http://dx.doi.org/10.1145/233008.233043.

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Gamini Abhaya, Vidura, Zahir Tari, Panlop Zeephongsekul, and Albert Y. Zomaya. "Performance Analysis of EDF Scheduling in a Multi-Priority Preemptive M/G/1 Queue." IEEE Transactions on Parallel and Distributed Systems 25, no. 8 (2014): 2149–58. http://dx.doi.org/10.1109/tpds.2013.171.

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Zhang 张, Shuo 硕., Hua-Wei 华伟 Zhang 张, Yuan-Sen 源森 Ting 丁, et al. "Half a Million M Dwarf Stars Characterized Using Domain-adapted Spectral Analysis." Astrophysical Journal Supplement Series 277, no. 2 (2025): 47. https://doi.org/10.3847/1538-4365/adb614.

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Abstract We present fundamental atmospheric parameters (T eff and log g ) and metallicities ([M/H]) for 507,513 M dwarf stars using low-resolution spectra (R ∼ 1800) from LAMOST DR10. By employing Cycle-StarNet, an innovative domain adaptation approach, we successfully bridge the gap between theoretical PHOENIX synthetic spectra and observed LAMOST spectra, enabling parameter measurements even for lower signal-to-noise (S/N) data (S/N > 5). The fitting residual analysis shows a reduction from 2.0 times to 1.68 times the flux uncertainty. Comparing with available literature values, we find s

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Guo (郭彦君), Yanjun, Bo Zhang, Chao Liu, et al. "The Early-type Stars from the LAMOST Survey: Atmospheric Parameters." Astrophysical Journal Supplement Series 257, no. 2 (2021): 54. http://dx.doi.org/10.3847/1538-4365/ac2ded.

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Abstract Massive stars play key roles in many astrophysical processes. Deriving the atmospheric parameters of massive stars is important to understanding their physical properties, and thus the atmospheric parameters are key inputs to trace the evolution of massive stars. Here we report our work on adopting the data-driven technique called stellar label machine (SLAM) with the nonlocal thermal equilibrium TLUSTY synthetic spectra as the training data set to estimate the stellar parameters of Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) optical spectra for early-type stars

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Sitinjak, Rama Riana, I. Kurniawan, B. Pratomo, and J. Irni. "Pembuatan Pupuk Organik Cair Berbahan Utama Limbah Cair Pabrik Kelapa Sawit dengan Penambahan Effective Microorganism-4." Agroland: Jurnal Ilmu-ilmu Pertanian 31, no. 1 (2024): 45–54. http://dx.doi.org/10.22487/agrolandnasional.v31i1.2022.

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Penelitian ini bertujuan untuk mengetahui pengaruh EM4 terhadap pembuatan pupuk organik cair (POC) berbahan utama limbah cair pabrik kelapa sawit, dan menemukan formulasi yang lebih baik dalam pembuatan POC. Metode yang digunakan adalah rancangan acak lengkap (RAL) non factorial dengan 6 ulangan. Bioaktivator EM4 yang diberikan ada 4 taraf, yaitu 0 ml (E0), 20 ml (E1), 40 ml (E2), dan 60 ml (E3). Sehingga penelitian ini menggunakan 24 unit percobaan. Bahan EM4 dengan dosis yang berbeda ditambahkan ke dalam bahan baku campuran dari 1 L limbah cair pabrik kelapa sawit, 500 g kulit pisang, 500 g

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Erkişi, Aytaç, Erdem Kamil Yıldırım, and Gökhan Gökoğlu. "Electronic structure and magnetic properties of PbMO3 (M = Fe, Co, Ni) magnetic perovskites: An ab initio study." International Journal of Modern Physics B 28, no. 29 (2014): 1450205. http://dx.doi.org/10.1142/s0217979214502051.

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We present the electronic, magnetic and structural properties of the magnetic transition metal oxides PbMO 3 (M = Fe , Co , Ni ) in cubic perovskite structure. The calculations are based on the density functional theory (DFT) within plane-wave pseudopotential method and local spin density approximation (LSDA) of the exchange-correlation functional. On-site Coulomb interaction is also included in calculations (LSDA+ U ). The systems are considered in ferromagnetic (FM) and G-type antiferromagnetic (G-AFM) order. FM structures are energetically more favored than G-AFM and than non-magnetic state

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Wiley, Patrick E., and Jonathan D. Trent. "Clarification of algae-laden water using electrochemical processes." Water Supply 16, no. 2 (2015): 314–23. http://dx.doi.org/10.2166/ws.2015.140.

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Algae contamination of surface water and drinking water supplies is a significant problem particularly in rural areas. A decentralized inexpensive technology that would effectively remove algae from water would be beneficial. Electrocoagulation (EC) combined with electroflotation (EF) as a single process (ECF) is a promising algae harvesting technique with no moving parts that may be powered using a modest array of photovoltaic panels if a low power system can be developed. Here, an ECF system was constructed to study the energy required to remove algae from a simulated drinking water supply.

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Shipman, Harry L., and Jeanne Geczi. "An Unsuccessful Search for White Dwarf Companions to Nearby Main Sequence Stars." International Astronomical Union Colloquium 114 (1989): 134–37. http://dx.doi.org/10.1017/s0252921100099437.

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AbstractMany of the nearest white dwarf stars (e.g., Sirius B and Procyon B) are in such binaries and would have remained undiscovered if they were even a little bit further away. White dwarfs which are sufficiently hot (T(eff) > 10,000 K) would, if present in binary systems with a relatively cool (F, G, K, or M) main–sequence secondary, be visible in IUE images as a hot companion to the main sequence star. We systematically examined 318 IUE images of 280 different G, K, and M stars which had been observed for other purposes. No previously undiscovered white dwarf stars were found.

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Алиев, С. Г., В. М. Халилов та З. М. Алышова. "Fundamental parameters and evolutionary status of a magnetic star ε UMa". Научные труды Института астрономии РАН 8, № 2 (2023): 101–7. http://dx.doi.org/10.51194/inasan.2023.8.2.011.

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На базе комплексных наблюдений определены фазы, соответствующие максимально пекулярной (Р) и относительно нормальной области (N) на поверхности магнитной химически пекулярной (MCP) звезды ε UMa. Выявлено, что все фазовые зависимости магнитного поля (B e ), блеска (V ) и эквивалентных ширин (W λ ) линий пекулярных элементов (Si, Сr, Sr и др.) носят синхронный характер; то есть экстремумы величин B e , V и W λ в пределах ошибки (ϕ = ±0.05) совпадают. По профилям линий Hγ и Hδ с применением моделей атмосфер, рассчитанных для однородного химического состава, были определены фундаментальные парамет

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Kumar Sharma, Ajay, and Murli Manohar Verma. "Effect of the Modified Gravity on the Large-scale Structure Formation." Astrophysical Journal 934, no. 1 (2022): 13. http://dx.doi.org/10.3847/1538-4357/ac7b8e.

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Abstract We investigate the formation of the large-scale structures in the present accelerated era in the f(R) gravity background. This is done by considering the linear growth of matter perturbations at low redshift z < 1. The effect of f(R) alters the behavior of the matter density perturbations from the matter-dominated universe to the late-time accelerated universe, which is encoded in the Newtonian gravitational constant as G → G eff. The modified gravitational constant (G eff) depends on the form of f(R). The late-time accelerated expansion affects the formation of large-scale structu

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Melenium, Sasa abad, Rita Hayati, and Hasanuddin Hasanuddin. "Pengaruh Jenis Mikoriza dan Dosis EM4 (Effective Microorganisms-4) Terhadap Pertumbuhan Serta Hasil Bawang Merah (Allium ascalonicum L.)." Jurnal Ilmiah Mahasiswa Pertanian 7, no. 4 (2022): 282–89. http://dx.doi.org/10.17969/jimfp.v7i4.22488.

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Abstrak. Penelitian ini diharapkan dapat memberikan informasi mengenai pengunaan jenis mikoriza dan dosis EM4 terhadap pertumbuhan dan hasil bawang merah. Penelitian ini berlangsung di Kebun Percobaan 2 dan Laboratorium Hortikultura Fakultas Pertanian Universitas Syiah Kuala dari bulan Mei sampai Juli 2021. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) pola faktorial 3x4 dengan 3 ulangan, sehingga terdapat 12 kombinasi perlakuan dan 36 unit. Faktor pertama adalah jenis mikoroza (M) dengan dosis 10 g per tanaman. Faktor kedua adalah EM4 (E) dengan konsentrasi 0 ml ha-1; 3.5 ml ha-1;

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Kistina, A. A., and K. V. Kiseleva. "Feed additive M-feed in the diets of broiler chickens and the effectiveness of its use." Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production), no. 8 (July 21, 2022): 51–64. http://dx.doi.org/10.33920/sel-05-2208-05.

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Recently, scientists and poultry farmers have been constantly searching, developing and testing multicomponent feed additives of natural origin, cheaper and environmentally friendly and safe, having specifi c properties and having a positive infl uence on the poultry body. The purpose of the work was the scientifi c and production-economic justifi cation of the use of the feed additive M-Feed in the diets of broiler chickens of the cross Ross-308. The paper scientifi cally substantiates the possibility of using the drug M-Feed as a biologically active additive in the diets of broiler chickens

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Taremi, Mohammad, and Mohammad Reza Salehi Rad. "Limit Analysis of Oscillating Batch Arrival M[x]/G/1 Systems with Finite Capacity: EMC Approach." Journal of Economics Theory 6, no. 1 (2012): 29–36. http://dx.doi.org/10.3923/jeth.2012.29.36.

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Suradi, Suradi, Sigit Muryanto, and Dwi Suci Lestariana. "PENGARUH KONSENTRASI PUPUK ORGANIK CAIR MAJEMUK DAN KONSENTRASI EM4 TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SAWI (BRASSICA JUNCEA L.)." AGROTECH Research Journal 3, no. 1 (2022): 9–12. https://doi.org/10.36596/arj.v3i1.720.

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Penelitian ini dilaksanakan di Desa Canden, Kecamatan Sambi, Kabupaten Boyolali, Propinsi Jawa Tengah, pada bulan Juli 2020 sampai bulan Agustus 2020. Ketinggian tempat 205 m dpl., dengan jenis tanah Latosol, curah hujan rata – rata 615 mm/bulan, kelembaban (Rh) 80 % dan pH tanah 6,6. Penelitian ini bertujuan untuk mendapatkan kombinasi konsentrasi pupuk organik cair (POC) dan EM4 sebagai nutrisi pengaya yang paling optimal terhadap pertumbuhan dan hasil tanaman sawi. Percobaan menggunakan Rancang POC Acak Lengkap ( RAL ) dengan dua faktor perlakuan. Faktor perlakuan I konsentrasi POC ( P ), t

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Wang, Jiangtao, Jianrong Shi, Jianning Fu, Weikai Zong, and Chunqian Li. "Stellar Atmospheric Parameters of ∼11,000 RR Lyrae Stars from LAMOST Spectra." Astrophysical Journal Supplement Series 272, no. 2 (2024): 31. http://dx.doi.org/10.3847/1538-4365/ad43d5.

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Abstract Accurate determination of the stellar atmospheric parameters of RR Lyrae stars (RRLs) requires short individual exposures of the spectra to mitigate pulsation effects. We present improved template-matching methods to determine the stellar atmospheric parameters of RRLs from single-epoch spectra of the Large Sky Area Multi-Object Fiber Spectroscopic Telescope, also known as the Guoshoujing Telescope (LAMOST). We determine the radial velocities and stellar atmospheric parameters (effective temperature T eff, surface gravity log g , and metallicity [M/H]) of 10,486 and 1027 RRLs from 42,

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Ghorai, Amitava. "A Study of the Variation of Monovacancy Formation Energy with the Parameter of Ashcroft's Potential and Different Exchange and Correlation Functions for Some Group-IIa and Group-VIII FCC Metals in the Active Divalent State." Defect and Diffusion Forum 293 (August 2009): 11–18. http://dx.doi.org/10.4028/www.scientific.net/ddf.293.11.

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Graphs of monovacancy formation energy ( ) versus the parameter, , of Ashcroft's empty-core model potential (AECMP) and nine different exchange and correlation functions (ECF) are shown for two different group-IIa divalent fcc metals (Ca and Sr) and seven group-VIII divalent fcc metals in an active valence state (γ-Fe, β-Co, Rh, Ir, Ni, Pd and Pt). The criterion used is that is greater than the Bohr radius. There is a systematic increase and decrease in the fitted value of , and the calculated value of , respectively, in going from one ECF to other, as follows: Sham<K-K<G-V<Kle<Har

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Yu, Rui, Xuetong Shen, Muxing Liu, et al. "The rice blast fungus MoRgs1 functioning in cAMP signaling and pathogenicity is regulated by casein kinase MoCk2 phosphorylation and modulated by membrane protein MoEmc2." PLOS Pathogens 17, no. 6 (2021): e1009657. http://dx.doi.org/10.1371/journal.ppat.1009657.

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GTP-binding protein (G-protein) and regulator of G-protein signaling (RGS) mediated signal transduction are critical in the growth and virulence of the rice blast pathogen Magnaporthe oryzae. We have previously reported that there are eight RGS and RGS-like proteins named MoRgs1 to MoRgs8 playing distinct and shared regulatory functions in M. oryzae and that MoRgs1 has a more prominent role compared to others in the fungus. To further explore the unique regulatory mechanism of MoRgs1, we screened a M. oryzae cDNA library for genes encoding MoRgs1-interacting proteins and identified MoCkb2, one

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McCrary, Myles, David Gibbs, Carlos Moreno, and Brian Pollack. "606 Epidermal growth factor modulation of CXCL10 in keratinocytes and cutaneous cancers." Journal for ImmunoTherapy of Cancer 8, Suppl 3 (2020): A641—A642. http://dx.doi.org/10.1136/jitc-2020-sitc2020.0606.

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BackgroundEpidermal growth factor (EGF) signaling has well-established roles in cellular proliferation in normal tissue homeostasis and tumorigenesis. EGF receptor inhibitor therapy is associated with the development of a papulopustular rash and other cutaneous inflammatory effects.1 2 These dose-dependent toxicities are linked to treatment response and survival, and may reflect the interplay between EGF and the immune response.3 4 However, the effects of EGF signaling on inflammation in the skin and elsewhere are not entirely understood.5 6 In this study, we aimed to elucidate the immunomodul

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Rieke, G. H., Everett Schlawin, Charles R. Proffitt, and Christopher Willmer. "Absolute Calibration. IV. Use of G-type Stars as Primary Calibrators." Astronomical Journal 167, no. 5 (2024): 213. http://dx.doi.org/10.3847/1538-3881/ad24f7.

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Abstract We demonstrate an approach to determine spectral energy distribution (SED) templates that are accurate to the 1% level from the visible through the infrared for nearby (unextincted) solar-type stars. Our approach is based only on measurements of T eff, log(g), and M/H and the use of standard theoretical SED models. The success of this approach confirms that the existing absolute calibration is likely to be accurate to this level throughout this spectral range. We then demonstrate how to measure and correct for extinction, allowing extension of this calibration approach to faint levels

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Man, Tran Van. "EFFECT OF SOLVENT COMPOSITION ON THE ELECTROCHEMICAL PERFORMANCE OF HIGH-VOLTAGE CATHODE LiNi0.5Mn1.5O4." Vietnam Journal of Science and Technology 56, no. 2A (2018): 69–74. http://dx.doi.org/10.15625/2525-2518/56/2a/12631.

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The spinel LiNi0.5Mn1.5O4 (LNMO) is considered as an accurate cathode material for high-voltage Li-ions batteries above 4.5 V due to its high energy density, safety and eco-friendly. The electrochemical performance of spinel LNMO depends on the combability between electrode material and electrolyte. In this work, we reported the essential role of solvent compositions–carbonate solvents such as ethylene carbonate (EC), dimethyl carbonate (DMC), ethylene methyl carbonate (EMC)–in 1 M LiPF6 electrolytes on the long-term cycling test. The volumetric ratios in which the solvent compositions were va

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Dencs, Z., A. Derekas, T. Mitnyan, et al. "Atmospheric Parameters and Abundances of Cool Red Giant Stars." Publications of the Astronomical Society of the Pacific 136, no. 5 (2024): 054202. http://dx.doi.org/10.1088/1538-3873/ad4177.

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Abstract Understanding the atmospheric parameters of stars on the top of the RGB is essential to reveal the chemical composition of the Milky Way, as they can be used to probe the farthest parts of our Galaxy. Our goal is to determine the chemical composition of 21 RGB stars with T eff < 4200 K selected from the APOGEE-2 DR17 database using new observations carried out with the spectrograph mounted on the 1 m telescope of the Hungarian Piszkéstető Observatory and the SONG spectrograph (R = 77,000) on the Hertzsprung SONG telescope in the 4500–5800 Å wavelength range. This is the first time

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Linus-Chibuezeh, Adindu, Chidiamara Onyinyechi Adindu-Linus, Maduebibisi Ofo Iwe, and Titus Ugochukwu Nwabueze. "Studies on Moisture Adsorption Isotherm of Ighu from Different Cassava Varieties and Accelerated Shelf Life Storage in Different Packaging Materials." Food and Drug Safety 2, no. 2 (2025): 16–32. https://doi.org/10.55121/fds.v2i2.414.

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Moisture sorption isotherm characteristics and shelf life of Ighu, a traditional food product derived from three cassava varieties processed using two indigenous methods in Isuochi (Umunneochi LGA, Abia State) and Udi (Enugu State), Nigeria was studied. The equilibrium moisture content (EMC) was determined using the static gravimetric method across water activity (aw) levels of 0.08 to 0.1 at different temperatures. Experimental data were fitted to four standard sorption models: Brunauer–Emmett–Teller (BET), Guggenheim–Anderson–de Boer (GAB), Oswin, and Halsey. The water vapour transmission ra

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Kiman, Rocio, Siyi Xu, Jacqueline K. Faherty, et al. "wdwarfdate: A Python Package to Derive Bayesian Ages of White Dwarfs." Astronomical Journal 164, no. 2 (2022): 62. http://dx.doi.org/10.3847/1538-3881/ac7788.

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Abstract White dwarfs have been successfully used as cosmochronometers in the literature; however, their reach has been limited in comparison to their potential. We present wdwarfdate, a publicly available Python package to derive the Bayesian age of a white dwarf, based on its effective temperature (T eff) and surface gravity (log g). We make this software easy to use with the goal of transforming the usage of white dwarfs as cosmochronometers into an accessible tool. The code estimates the mass and cooling age of the white dwarf, as well as the mass and main-sequence age of the progenitor st

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Hurt, Spencer A., Michael C. Liu, Zhoujian Zhang, et al. "Uniform Forward-modeling Analysis of Ultracool Dwarfs. III. Late-M and L Dwarfs in Young Moving Groups, the Pleiades, and the Hyades." Astrophysical Journal 961, no. 1 (2024): 121. http://dx.doi.org/10.3847/1538-4357/ad0b12.

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Abstract We present a uniform forward-modeling analysis of 90 late-M and L dwarfs in nearby young (∼10–200 Myr) moving groups, the Pleiades, and the Hyades using low-resolution (R ≈ 150) near-infrared (0.9–2.4 μm) spectra and the BT-Settl model atmospheres. We derive the objects’ effective temperatures, surface gravities, radii, and masses by comparing our spectra to the models using a Bayesian framework with nested sampling and calculate the same parameters using evolutionary models. Assuming the evolutionary-based parameters are more robust, our spectroscopically inferred parameters from BT-

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Nur Aqilah Zainal Badri, Asmaa, Norlaili Mohd Noh, Shukri Bin Korakkottil Kunhi Mohd, Asrulnizam Abd Manaf, Arjuna Marzuki, and Mohd Tafir Mustaffa. "Layout Effects on High Frequency and Noise Parameters in MOSFETs." Indonesian Journal of Electrical Engineering and Computer Science 6, no. 1 (2017): 88. http://dx.doi.org/10.11591/ijeecs.v6.i1.pp88-96.

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<p>This study reviews related studies on the impact of the layout dependent effects on high frequency and RF noise parameter performances, carried out over the past decade. It specifically focuses on the doughnut and multi- finger layouts. The doughnut style involves the polygonal and the 4- sided techniques, while the multi-finger involving the narrow-oxide diffusion (OD) and multi-OD. The polygonal versus 4-sided doughnut, and the narrow-OD with multi-fingers versus multi-OD with multi- fingers are reviewed in this study. The high frequency parameters, which are of concern in this stud

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Asha Jyothi Penugonda, Magdalenal Robert, George Ipe Vettiyil, et al. "Exclusive breastfeeding until six months of age and its influence on anthropometric indices: A prospective observational study." Asian Journal of Medical Sciences 16, no. 7 (2025): 61–68. https://doi.org/10.71152/ajms.v16i7.4591.

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Background: The WHO recommends exclusive breastfeeding (EBF) for the first 6 months of life, for all infants; and prescribes WHO Multicentre Growth Reference Study charts for growth monitoring. However, real-time differences in growth patterns between EBF and non-EBF infants and its influencing factors have not been well documented and analyzed in India. Aims and Objectives: We conducted a prospective study to assess the prevalence of EBF and the extent of influence of modifiable and nonmodifiable variables on anthropometric indices among infants from birth to 6 months of age. Materials and Me

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