bluuebunny/crossref_metadata_2025_split huggingface dataset:
Ultra-compact reflective mode converter based on a silicon subwavelength structure
Authors: Wang Tao , Guo Hengquan , Chen Haoxiang , Yang Jianhong , Jia Hao 
Published: February 2020

Mode converters play an essential role in mode-division multiplexing systems. A reflective mode converter (RMC), which is utilized to accomplish the mode conversion in the contra-propagation process, can fold the optical path and realize the mode exchange in an optical network. In this paper, we propose and experimentally demonstrate an RMC based on a silicon subwavelength structure. It can convert the input fundamental mode (

TE
0

) into the first-order mode (

TE
1

) in a

2.0

µ
m
×

2.0

µ
m

footprint. The simulated insertion loss and cross talk are lower than 0.6 dB and

−

20.3

dB

in 1525–1565 nm. Experimental results verify the functionality of the device. The measured insertion loss and cross talk are lower than 2.2 dB and

−

16.2

dB

. To further prove the generality of the methodology, we design another two RMCs realizing the mode conversion functions of

TE
0

to

TE
2

and

TE
0

to

TE
3

modes. The simulated insertion losses are lower than 1.1 dB and 1.8 dB.
Constrained Optimal Control of A Fractionally Damped Elastic Beam
Authors: Billur İskender Eroğlu Beyza , Avcı Derya , Özdemir Necati 
Published: February 2020

Abstract
This work presents the constrained optimal control of a fractionally damped elastic beam in which the damping characteristic is described with the Caputo fractional derivative of order 1/2. To achieve the optimal control that involves energy optimal control index with fixed endpoints, the fractionally damped elastic beam problem is first converted to a state space form of order 1/2 by using a change of coordinates. Then, the state and the costate equations are set in terms of Hamiltonian formalism and the constrained control law is acquired from Pontryagin Principle. The numerical solution of the problem is obtained with Grünwald-Letnikov approach by utilizing the link between the Riemann-Liouville and the Caputo fractional derivatives. Application of the formulations is demonstrated with an example and the illustrations are figured by MATLAB. Also, the effectiveness of the Grünwald-Letnikov approach is exhibited by comparing it with an iterative method which is one-step Adams-Bashforth-Moulton method.
Mediational Recognition and Metaphysical Power: A Systematic Analysis
Authors: Koskinen Heikki J. 
Published: February 2020

Abstract
Interhuman relations sometimes suffer from a lack of adequate recognition. Here I ask whether this can be caused by the “third” of representations of a superhuman ultimate object or source of recognition, that is, a personal God. In arguing for a positive answer, I articulate a notion of mediational recognition, and present a systematic analysis of a trilateral form of recognition in which one party claims to mediate normative judgements of another party to a third one. The analysis then focuses on the structure of metaphysical power that can be generated by religious groups and institutions.
Enhanced sum frequency generation for ultrasensitive characterization of plasmonic modes
Authors: Gao Min , He Yuhan , Chen Ying , Shih Tien-Mo , Yang Weimin , Chen Huanyang , Yang Zhilin , Wang Zhaohui 
Published: February 2020

Abstract
Highly sensitive characterization of surface plasmon resonance (SPR) modes lays the solid foundation for wide SPR-related applications. Herein, we discover that these SPR modes based on all-metal nanostructures without any probed molecule can be characterized with ultrahigh sensitivities at both excitation and emission wavelengths by utilizing plasmon-enhanced sum frequency generation (PESFG) spectroscopy. The theory of PESFG for sensitively characterizing SPR modes is first validated experimentally. Moreover, we have elaborately demonstrated that PESFG strongly depends on both the resonant wavelengths of SPR modes and spatial mode distributions when azimuthal angles of excitations are varied. Our study not only enhances the understanding of the mechanism that governs PESFG, but also offers a potentially new method for exploring new-style SPR modes (e.g. plasmon-induced magnetic resonance and bound states in the continuum) by PESFG.
Macroeconomic uncertainty and forecasting macroeconomic aggregates
Authors: Reif Magnus 
Published: February 2020

Abstract
Can information on macroeconomic uncertainty improve the forecast accuracy for key macroeconomic time series for the US? Since previous studies have demonstrated that the link between the real economy and uncertainty is subject to nonlinearities, I assess the predictive power of macroeconomic uncertainty in both linear and nonlinear Bayesian VARs. For the latter, I use a threshold VAR that allows for regime-dependent dynamics conditional on the level of the uncertainty measure. I find that the predictive power of macroeconomic uncertainty in the linear VAR is negligible. In contrast, using information on macroeconomic uncertainty in a threshold VAR can significantly improve the accuracy of short-term point and density forecasts, especially in the presence of high uncertainty.
New quaternary selenides Tl4Sb8Sn5Se24 and Tl5Sb2Sn4Se14−x (x=0.5)
Authors: Barchiy Ihor , Sabov Marian , Pavlyuk Volodymyr , Stetskiv Andrij , Marciniak Bernard , Różycka-Sokołowska Ewa , Sabov Victoria 
Published: February 2020

Abstract
Synthesis, structural characterization and chemical bonding peculiarities of two new quaternary selenides of the Tl4Sb8Sn5Se24 and Tl5Sb2Sn4Se14−x (x = 0.5) are reported. The crystal structures of these compounds were determined by single crystal X-ray diffraction analysis. The Tl4Sb8Sn5Se24 phase is a new structure type and crystallizes in the triclinic P 1̅ space group (a = 7.9061(13) Å, b = 13.9035(16) Å, c = 21.4665(17) Å, α = 80.058(8)°, β = 84.727(10)°, γ = 73.542(12)°, wR
2 = 0.0258, 8200 F
2 values, 373 variables). The Tl5Sb2Sn4Se14−x (x = 0.5) phase represents a new structure type with a tetragonal unit cell (P 4/mbm, a = 8.1570(10) Å, c = 21.946(3) Å, wR
2 = 0.0346, 1953 F
2 values, 44 variables). Crystallographic analysis together with linear muffin-tin orbital band structure calculations reveals that both structures we conform to the concept of Zintl-Klemm and exhibit semiconductor properties.
Structures and phase transitions of (BrCH2CH2NH3)2CdBr4 and (BrCH2CH2CH2NH3)2CdBr4 as investigated by 81Br NQR, DTA, and single-crystal X-ray diffraction
Authors: Ishihara Hideta , Koga Asuka , Suzuki Koh-ichi , Terao Hiromitsu 
Published: February 2020

Abstract
The crystal structures of (BrCH2CH2NH3)2CdBr4 (1) and (BrCH2CH2CH2NH3)2CdBr4 (2) have been determined at T = 113 K: orthorhombic, Pbcn, a = 843.8(4), b = 775.4(4), c = 2339.6(11) pm, Z = 4 for 1; orthorhombic, Pbcn, a = 858.7(3), b = 783.6(2), c = 2519.4(7) pm, Z = 4 for 2. Both crystals are isomorphic, showing distinctive layered perovskite-related structures, in which the cations orient their aliphatic parts toward each other in their cation layers and connect to the infinite anion layers with their ammonium parts through N–H · · · Br hydrogen bonds. 81Br NQR and differential thermal analysis measurements for both compounds revealed the existence of successive phase transitions as seen in n-(CH3CH2CH2NH3)2CdBr4 (3). These phase transitions appear to be induced by the activated motions of the cations. The changes in the hydrogen bonding schemes resulting from the motions of the cations lead to the different phases of the respective crystals.
Effect of geographical origin on yield and composition of cone essential oils of Cedrus libani A. Rich. growing in Lebanese protected areas and variability assessment in comparison with literature survey
Authors: Zgheib Raviella , El Beyrouthy Marc , El Rayess Youssef , Dahi Mira , Nehme Nancy , Azzi-Achkouty Samar , Iriti Marcello 
Published: February 2020

Abstract
Gas chromatography–mass spectrometry analysis together with principal component analysis revealed that geographical origin influenced the yield and composition of the essential oils (EOs) extracted by hydrodistillation performed for 3 h using a Clevenger-type apparatus, from the cones of Cedrus libani A. Rich., growing wild at four Lebanese natural reserves and protected areas: Bsharri, Chouf, Ehden, and Tannourine, and from a cultivated cedar growing in Qartaba. Essential oil chemical variability established between the different studied provenances suggested the involvement of abiotic factors such as geographical conditions, cultivation conditions, soil composition, and environmental factors in the chemical polymorphism of C. libani cones EOs. α-Pinene/β-pinene characterized Ehden (β-pinene 35.6%/α-pinene 27.7%), Chouf (α-pinene 37.3%/β-pinene 26.1%), Bsharri (α-pinene 27.7%/β-pinene 21.4%), and Tannourine (α-pinene 25.1%/β-pinene 16.0%) samples, whereas Qartaba EO was distinguished by the dominance of myrcene (30.6%), α-pinene(26%), and limonene (14.1%). Comparison with the existing literature reinforced the chemical variability of C. libani EOs. This current study helped the estimation of a best harvest location for a good EO quality production, resource optimization, and pharmacological properties evaluation, according to the market demand.
Roofing Research and Standards Development: 9th Volume
Authors: Molleti Sudhakar , Rossiter Walter J. 
Published: February 2020

Description
Expand your knowledge base on successful roof performance with 11 peer-reviewed papers. Sponsored by ASTM International Committee D08 on Roofing and Waterproofing, the research presented in this book is consistent with the broad range of standards activities within the committee.
Both practical and fundamental topics are addressed, with papers on
Amicus Curiae: Origin, Worldwide Experience and Suggestions for East European Countries
Authors: Izarova Iryna , Szolc-Nartowski Bartosz , Kovtun Anastasiia 
Published: February 2020

AbstractThis article describes the meaning ofamicus curiaeaccording to modern legislation and doctrine, as well as its origin from Roman law and English law. One part of the article is devoted to the current legal position of international institutions regardingamicus curiaeand its place in different legal systems worldwide. Furthermore, the last part of the article related to the analysis of the newamicus curiaeconcept in Ukraine legislation, combined with the new principles of judicial case management and cooperation of the judge and parties in civil procedure. The article concludes with some thoughts about the need and viability of its implementation in the civil law countries using examples of current reforms of Civil Procedure in Ukraine, and other states of Eastern Europe.
The Rise of Illiberal Democracy and the Remedies of Multi-Level Constitutionalism
Authors: Pap András László , Śledzińska-Simon Anna 
Published: February 2020

AbstractThis article begins with a brief overview of the characteristics of illiberal democracy proclaimed in Hungary and followed by Poland, the once 'Musterkinder' of European integration and compliance with the EU values and law. In the second part the weaknesses of multi-level constitutionalism is analyzed by addressing the Hungarian and Polish illiberal turn. The third part consists of a country-specific contextual analysis examining remedies to illiberal democracy in a normative focus.
Is There a Private Life Free from Forms of Social Control?
Authors: Saktorová Ľubica 
Published: February 2020

AbstractThe present work focuses on the analytical examination of privacy and private life through the concept of formal and informal forms of social control. While the formal social control is expressed through the national and international legal rules, standards and statutes, the analysis will be pointed to the substantive list of human rights guaranteeing the spheres of privacy. The second part will examine the subject in context of informal form of social control, thus determining the respect to privacy in customary culture, moral codes, and contemporary surveillance mechanisms. The private life is guaranteed and safeguarded by the high number of legal rules. However, it is up to one ´s own conduct to secure it.
Shaken or Stirred? Polish Constitutional (Dis)continuity between 1917–2017
Authors: Michał Wiszowaty Marcin 
Published: February 2020

Abstract
The purpose of this paper is to answer the main research question “is there a constitutional continuity in Poland or even the Polish constitutional identity or rather there was a permanent discontinuation in last 100 years of Polish history of state?” For this purpose, the Polish constitutional history in the 20th and 21st centuries has been analyzed with respect to the changes made in the Polish political system over the past century from republican and democratic governments with a strong parliament to governments more akin to the monarchy, with a strong presidency, and even autocratic. Looking for sources of Polish political inspiration references are made to the legacy of the Polish-Lithuanian Commonwealth.
Prevención de los peligros y promoción de entornos saludables en el teletrabajo desde la perspectiva de la salud pública.
Authors: Gómez Sandra , Guarín Ingrid , Uribe Sandra Liliana , Vergel Laura 
Published: February 2020

El objetivo principal de este artículo, es destacar la importancia que tiene la implementación de medidas de intervención frente a los estilos de vida y de trabajo saludables en el teletrabajo y el papel que ellas puedan tener a través del ámbito de salud laboral en el contexto de la salud pública. Se fundamenta en una investigación previa desarrollada por la Universidad Militar Nueva Granada sobre la caracterización de teletrabajadores de empresas públicas y privadas de la ciudad de Bogotá y en la cual se identificaron los peligros en los entornos de teletrabajo y en donde fue evidente la necesidad de desarrollar programas de estilos de vida y trabajo saludables en esta población como estrategia de intervención. Para lograrlo, se revisó la normatividad vigente tanto en el Ministerio de Trabajo como en el Ministerio de Salud a fin de contar con un marco de referencia en acciones de promoción y prevención. Para ampliar el soporte de evidencia se realizó una revisión bibliográfica en buscadores científicos sobre literatura nacional e internacional, seleccionando artículos académicos de los últimos diez años que incluyeran la implementación de programas de estilos de vida como herramienta para la prevención de enfermedades y accidentes de trabajo, descartando aquellos que incluyeran experiencias anecdóticas sin fundamento técnico o que no pudieran respaldar sus afirmaciones. Se encontró que, la investigación realizada y las fuentes bibliográficas consultadas, coinciden en que se deben implementar programas de estilos de vida y de trabajo saludables a la población teletrabajadora, ya que en la mayoría de empresas contratantes no se tiene control o no se cuenta con las herramientas necesarias para lograr que sus teletrabajadores los lleven a la práctica. Es así como al destacar la importancia de separar el entorno familiar del laboral, la realización de actividad física regular, alimentación balanceada, respetar horarios de sueño, se logra sensibilizar a los teletrabajadores, a las empresas, a los profesionales de seguridad y salud en el trabajo y los entes que promueven bienestar como las EPS´s, las ARL y las Cajas de Compensación Familiar para que fomenten, desde su esfera de intervención, esta implementación.
Correlations Between Cognitive and Social Functioning of Schoolchildren: Study of Population Data Using methods of intellectual Analysis of heterogeneous Data
Authors: Namazova-Baranova Leyla S. , Karkashadze Georgiy A. , Vishnyova Elena A. , Molodchenko A. I. 
Published: February 2020

Background. The comprehensive assessment of mentality in children on the population scale is necessary to develop measures for optimal shaping of the country’s future potential. However, the correlations between cognitive and socio-characterological parameters of the emerging personality makes it difficult to collect information and decreases the efficiency of traditional analysis methods on the population scale. The aim of the study is to estimate the correlations between cognitive activity social functioning of schoolchildren using artificial intelligence methods. Methods. The study included schoolchildren from 5th and 9th grades who studied in secondary schools in 8 major Russian cities. The survey used a battery of tests to assess cognitive performance and a questionnaire of extracurricular activities which was completed by parents. The analysis was performed using clustering and machine learning methods. Results. The battery of cognitive tests was used to examine 1983 children from 5th and 9th grades. Parents of 1,171 of them completed the extracurricular activity questionnaire. Two clusters of different levels of cognitive success of children and adolescents in both age groups were identified. The high level of cognitive activity was determined in cases associated with attending music school, non-sports hobbies in schoolchildren of both age groups in general; basketball, football, dancing, summer holidays in camps in 5th grade schoolchildren; and swimming, skiing, competitive sports (non-professional), tutoring sections, computer programming in 9th grade schoolchildren. Conclusion. The correlations between the level of cognitive activity and the individual typology of extracurricular activities (based on features of personality formation and social influence of the family) has been determined.
Instrumentación para sistemas automatizados de medición dinámica de hidrocarburos
Authors: Escobar Díaz Andrés , Oviedo Marín Luis Eduardo , Vacca González Harold 
Published: February 2020

Introducción: el artículo establece una revisión conceptual sobre la instrumentación utilizada en sistemas automáticos de medición de hidrocarburos, realizada por los grupos de investigación ORCA y SciBas de la Universidad Distrital Francisco José de Caldas en el año 2017.
Problema: ausencia en la literatura sobre el concepto transferencia de custodia (TC) y su impacto sobre la cantidad y calidad de un hidrocarburo en un sistema de distribución.
Objetivo: conceptualizar sobre la instrumentación en mediciones de alto volumen, en particular las de tipo dinámico.
Metodología: selección, priorización e interpretación de fuentes disponibles en el sector industrial -amparadas por el Instituto Americano del Petróleo (API) y la Asociación Americana de Gas (AGA)- para definir la instrumentación de un sistema confiable y preciso de medición del hidrocarburo.
Resultados: conceptualización sobre unidades del API y AGA con respecto a equipos LACT (Lease Automatic Custody Transfer); criterios de determinación de la instrumentación para Sistemas de TC; y sobre equipos de medición en una distribución de instrumentación.
Conclusión: obtención de una línea de base conceptual sobre problemáticas de TC y su instrumentación en un sistema automático de medición dinámica de hidrocarburos.
Originalidad: dentro de la literatura académica es escasa la referencia a revisiones sobre equipos e instrumentación que se utilizan en los sistemas automáticos para TC de hidrocarburos.
Limitaciones: como los caudalímetros son los instrumentos más importantes del patín de medición, con respecto a los revisados se han de incluir -en perspectiva- otros de efecto pero que usan algoritmos adaptativos de medida.
Some pharmacokinetics aspects of new analgetics from hexaazaisiowuritsitane class in rats
Authors: Lopatina Ksenya A. , Bryushinina Olga S. , Gurto Roman V. , Krylova Svetlana G. , Zuzkova Yulia G. , Kulagina Darya A. , Safonova Elena A. , Zueva Elena P. , Sysolyatin Sergey V. 
Published: February 2020

An important stage in the preclinical study of a new drug is the study of its pharmacokinetics: absorption, distribution, metabolism, and excretion of the drug compound.
The purpose of this study was to study the pharmacokinetics in healthy animals of a new analgesic based on hexaazaisowurtzitane (thiowurtzine).
Materials and methods. A technique for determining the concentration of thiowurtzine in the blood plasma and rat excreta has been developed and validated. Using high-performance liquid chromatography and tandem mass spectrometry, concentrations of thiowurtzine in plasma and rat excreta were determined after a single intragastric dose of 100 mg/kg.
Results. The peak concentration of thiowurtzine in the blood plasma of rats accounts for 2 hours, which is consistent with the pharmacodynamic data of the analgesic, the average retention time of the substance in the body reached 17.15 h after administration. Thiowurtzine is believed to be actively metabolized.
The inhibitory effects of orexin antagonists on the reinforcing properties of amphetamine during brain self-stimulation and the development of a conditioned place preference in rats
Authors: Shabanov Petr D. , Azarenko Sergei V. , Morozov Vitalii I. , Bessolova Yulia N. , Lebedev Andrei A. 
Published: February 2020

Purpose. In experiments on rats, we studied the self-stimulation reaction of the lateral hypothalamus and the conditioned reaction of place preference upon activation (orexin) and blockade of the orexin receptor by SB-408124 or Orexin B18-28 in rats.
Methods. As behavioral methods, self-stimulation of the lateral hypothalamus and a conditioned reaction of place preference were chosen. Orexin and its antagonists SB-408124 or Orexin B18-28 (Sigma, USA) were used for pharmacological analysis. All preparations were used in 3 dosages: 0.1, 1.0, 10 g, injecting into the lateral ventricle of the brain (i.v.) through the implanted cannula.
Results. It has been shown that peptide substances of orexin and its antagonists modulate the conditional and unconditional reinforcing properties of the brain. The studied orexin antagonists showed a dose-dependent (0.1-1-10 g, i.v.) inhibitory effect on the self-stimulation of the lateral hypothalamus, activated by indirect adrenergic agonist amphetamine (-phenylisopropylamine). The inhibitory effect of orexin antagonists also manifested itself in relation to the generation and expression of a preference for amphetamine place, especially when using high doses of the peptide (10 g i.v.).
Conclusion. The effect of orexin antagonists can be used in the development and study of antinarcotic drugs.