Letter
Chemistry, Applied
Jerzy Falandysz
Summary: A recent study evaluated the occurrence of lanthanides in mushrooms from the German and Polish markets in relation to existing literature. The study found deviations from the predicted pattern, indicating potentially erroneous data. Additionally, the analytical method used had inadequate detection limits for certain lanthanides in mushrooms. While the scarcity of good quality data limits the availability of a credible database on lanthanide occurrence in mushrooms, it can still help identify anomalous results.
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
(2023)
Editorial Material
Chemistry, Multidisciplinary
D. Faurie, N. Challab, M. Haboussi, F. Zighem
Summary: This paper investigates the magnetomechanical behavior of cobalt magnetic nanowire on a polymeric substrate under bending through experiments and numerical calculations. The experimental results show a small magnetomechanical effect, while the numerical calculations attribute this effect to the ongoing stress distribution within the system.
Article
Mathematics
Takeshi Hirai, Akihito Hora
Summary: Based on the hereditary property of complex reflection groups, this study provides a detailed classification and construction of irreducible projective representations and spin characters for generalized symmetric groups, as well as a study on the spin characters of inductive limit groups. The main results for child groups with p vertical bar m, p > 1 are also presented through further study of the heredity.
KYOTO JOURNAL OF MATHEMATICS
(2022)
Article
Mathematics, Applied
D. B. Karp, E. G. Prilepkina
Summary: The paper focuses on the piecewise analytic case of Meijer's G function G(p,p)(m,n). While Meijer and Braaksma solved the problem of its analytic continuation in principle, we find that in the 'balanced' case m + n = p, the formulas become particularly simple. We provide explicit expressions for the values of these analytic continuations on the branch cuts. Additionally, we demonstrate that specific cases of this type of G function with integer parameter differences satisfy identities similar to the Miller-Paris transformations of the generalized hypergeometric function. Finally, we present a new integral evaluation involving the G(p,p)(m,n) function with m = n and apply it to summing a series related to the power series coefficients of the product of two generalized hypergeometric functions with shifted parameters.
INTEGRAL TRANSFORMS AND SPECIAL FUNCTIONS
(2023)
Article
Operations Research & Management Science
Xinyu Kuang, Yinghui Tang, Miaomiao Yu, Wenqing Wu
Summary: This paper proposes an M/G/1 queueing model with bi-level randomized (p, N-1, N-2)-policy. The transient and steady-state queue length distributions are studied, and the expressions of various queuing performance indices are derived. The system capacity optimization design is also investigated. The optimal bi-level threshold policy is determined by minimizing the long-run average cost rate subject to average waiting time constraints.
RAIRO-OPERATIONS RESEARCH
(2022)
Editorial Material
Chemistry, Multidisciplinary
P. Lemoine, B. Raveau, P. Boullay, E. Guilmeau
Summary: The recent paper by Deng et al. demonstrated the potential of copper sulphide with Cu7Sn3S10 composition as a thermoelectric material with a ZT of 0.8 at 750 K through Cl doping. However, further structural investigations revealed that the reported tetragonal phase is actually cubic with a composition similar to Cu22Sn10S32. These findings suggest a need for a revision in the understanding of the relationship between structure and thermoelectric properties in this material family.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Article
Engineering, Mechanical
Gustavo A. Medrano-Cerda
Summary: This comment is about the above paper.
JOURNAL OF MECHANISMS AND ROBOTICS-TRANSACTIONS OF THE ASME
(2022)
Article
Engineering, Mechanical
Emmanouil Spyrakos-Papastavridis, Jian S. Dai, Peter R. N. Childs, Nikos G. Tsagarakis
Summary: This paper analyzes a discussion article and points out the technical inconsistencies, erroneous comments, and misconceptions within it. The incorrect comments on stability in the discussion article lack mathematical rigor and are based on generic statements from textbooks in the early 1990s. Furthermore, the article contains an incorrect equation and makes fundamentally incorrect mathematical assumptions. Many comments in the discussion article also rely on misconceptions about flexible-joint robot control and humanoid robotics.
JOURNAL OF MECHANISMS AND ROBOTICS-TRANSACTIONS OF THE ASME
(2022)
Article
Engineering, Electrical & Electronic
Adeel Arif, Hesheng Wang, Herman Castaneda, Yong Wang
Summary: This paper presents a finite-time visual servoing control strategy for the autonomous landing of a quadrotor onto a tilting and moving landing vehicle. The proposed method, called Finite-Time Dynamic Visual Servo (FTDVS) control, utilizes a computer vision technique called Virtual Reticle Image Plane (VRIP) to track four observable features on the landing plane called landmarks. The proposed finite-time controller converges the tracking errors to zero in finite-time during a landing maneuver.
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS
(2023)
Article
Multidisciplinary Sciences
Somayeh Solgi, Mir Saeed Seyed Dorraji, Seyyedeh Fatemeh Hosseini, Mohammad Hossein Rasoulifard, Ismael Hajimiri, Alireza Amani-Ghadim
Summary: Scientists have successfully synthesized nanoparticles of NiFe2O4, X-doped g-C3N4, and MTiO3 for use as absorption agents in nanocomposites. The optimal nanocomposite demonstrated high absorption rates in the high-frequency range and significantly increased attenuation constants in the X-band when novel nanoparticles were added as fillers.
SCIENTIFIC REPORTS
(2021)
Article
Language & Linguistics
Marianna Kaplun
Summary: The paper examines the descriptions of the Garden of Eden in a play staged at the court of Tsar Alexei Mikhailovich in 1675, finding influences from biblical tradition and Lutheran canon. Gregory's depiction of Adam as the pinnacle of pastoral harmony shows connections to Paradise Lost by J. Milton, with a focus on secular pastoral elements and idyllic expressions. The play demonstrates a unique blend of pastoral motifs and courtly settings, emphasizing a secular pastoral theme with elements of idyll.
SIBIRSKII FILOLOGICHESKII ZHURNAL
(2021)
Editorial Material
Materials Science, Ceramics
A. H. Heuer, M. W. Finnis, W. M. C. Foulkes, A. P. Chen
Summary: This paper comments on recent observations of O and Al self-diffusion in single-crystal sapphire with variable doping concentrations of Mg and Ti. The study suggests that the null effect of aliovalent doping on oxygen diffusivity may be attributed to dopant evaporation near the surface due to extensive heat treatment, whereas an effect on Al diffusivity is still discernible. Furthermore, buffering mechanisms are proposed to be ultimately responsible for modest increases of self-diffusion with respect to dopant concentrations.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2022)
Article
Literary Theory & Criticism
Aman T. Zhumsakbayev, Kadisha R. Nurgali, Zhanat A. Aimukhambet
Summary: The dramaturgy of Musirepov and Chekhov is closely connected to music, as they believed that music could add philosophical depth, voice images and situations, and structure a play. Studying the musicality of their plays is an urgent problem in both Russian and Kazakh literature, requiring various scientific methods. The sound of musical instruments, such as the guitar, piano, flute, and dombra, plays a crucial role in creating atmosphere and enhancing psychologism in Chekhov and Kazakh drama. Musical motives are not just auxiliary, but an integral and equal part of the dramatic structure, alongside dialogues. Analyzing the role of music in their plays can be useful for studying their creative works and can be applied in higher educational institutions for lectures and practical classes.
INTERDISCIPLINARY LITERARY STUDIES
(2023)
Article
Thermodynamics
Jifeng Cui, Umer Farooq, Raheela Razzaq, Waseem Asghar Khan, Mogtaba Ahmed Yousif
Summary: In this Closure, the authors develop a non-similar model to describe the mixed convective nanofluid flow over a vertical surface, showing that the important thermal and mass transport quantities are computed in the non-similar model and compared with the results from the published article, revealing no differences in behavior.
JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS
(2021)
Article
Literature
Felipe Guimaraes Goncalves
Summary: This article analyzes the novel "Mondo" by Jean-Marie Gustave Le Clezio, exploring the protagonist's questioning and re-signification of Eurocentric culture, as well as the value of indigenous culture in the present time. The article also examines how Mondo's arrival in the city challenges the current ethics of hospitality, based on Derrida's reflections.
ITINERARIOS-REVISTA DE LITERATURA
(2022)
