An Explicit Criterion for the Existence of Positive Solutions of the Linear Delayed Equation x˙(t)=−c(t)x(t−τ(t)) by J. Baštinec, J. Diblík, Z. Šmarda

“…Its purpose is to derive a new explicit integral criterion for the existence of a positive solution in terms of c and τ. …”
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Energy for Freedom: reflexiones para el análisis crítico de proyectos de electrificación rural aislada by Ten-Palomares, M.

“…Using the Technologies for Freedom approach from a multilevel perspective, we analyze a case study in the Ecuadorian Amazon. …”
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Nuove esplorazioni verbovisive. Forme e applicazioni di scrittura visuale negli artefatti contemporanei by Ludovica Polo

“…The urgency of communication has characterized verbo-visuality since its origin, driving artists and designers in pursuit of a supra-linguistic system to overcome the written language. …”
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STRESSES ANALYSIS AND MULTI-AXIAL FATIGUE EVALUATION OF RESILIENT WHEEL by HUANG XiaoQing, CHEN Gang, LIU Zhi, XIAO Feng, PAN ShengLi, ZOU Qiang, GAO Wei

“…The result show that, the pressure ring is the largest Von-Mises stress component in press-fit, and the hoop tensile stress pay a important role. The Von-Mises stress on hole of pressure ring is 1.5 times than other component in service, and the hoop stress pay a important role. …”
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黑颈鹤的越冬习性 by 吕宗宝

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Analysis of the Fractional-Order Delay Differential Equations by the Numerical Method by Saadia Masood, Muhammad Naeem, Roman Ullah, Saima Mustafa, Abdul Bariq

“…In this study, we implemented a new numerical method known as the Chebyshev Pseudospectral method for solving nonlinear delay differential equations having fractional order. …”
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Local controllability does imply global controllability by Boscain, Ugo, Cannarsa, Daniele, Franceschi, Valentina, Sigalotti, Mario

“…We show in this note that a control system satisfying local controllability is controllable. …”
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Pharmaceutical Innovations: Superior Position of the USA and Weaknesses of German Research by Andreas Eckert, Wolfgang Maennig

“…Abstract The innovative strength of research performance is often measured in terms of inputs such as research funds or outputs such as patent applications. We present a novel indicator of pharmaceutical innovativeness that focuses on global medical breakthroughs and associated patents. …”
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Method of Doppler Frequency Spread Estimation for High-Mobility OFDM Systems by Feng Zhao, Xihong Sun

“…DFS is a main factor which may mitigate the performance of system. …”
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The Transformation of Housing Policy. The System of Incentives for Housing in the Construction of Quasi-Markets in Ecuador by Córdova, Marco Antonio

“…Drawing upon a neo-institutionalist economic framework, this article attempts to explain how the public policy instruments for housing policy have shaped the development of quasi- markets in the housing sector in Ecuador. …”
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On State-Dependent Delay Intuitionistic Fuzzy Partial Functional Differential Equations with Integral Boundary Conditions by Bouchra Ben Amma, Said Melliani, Lalla Saadia Chadli

“…This paper addresses the issue of the existence and uniqueness of intuitionistic fuzzy solutions for some classes of partial functional differential equations with state-dependent delay in a new weighted complete metric space. Theorems on the existence and uniqueness of intuitionistic fuzzy solutions for these problems with integral boundary conditions are established under some sufficient assumptions. …”
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Identification of Poison Ivy, Poison Oak and Poison Sumac in Florida by Patricia Grace, Sherrie Lowe

“…This document is Circular ENH886, one of a series of the Environmental Horticulture Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. …”
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MECHANISMS FOR IMPLEMENTATION AND EVALUATION OF THE EFFECTIVENESS OF BUDGET POLICY IN THE COVID-19 PANDEMIC by M. E. Kosov, M. G. Solovyova

“…The state budget acts as a mechanism for accumulating financial resources of the state, including in the context of implementing relations between social groups and strata in society. …”
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Dochody i wydatki publiczne jako elementy polityki rozwoju regionalnego w Polsce by Nina Drejerska

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Analysis of Pomegranate Dye Coated Titanium Nanotubes Anode for Solar Cell Application by P. Thenmozhi, P. Sathya, S. Meyvel, Subash Thanappan

“…The natural dye showed a wide-ranging absorption performance peak between 300 and 574 nm for the second sample and 300–572 nm for third sample. …”
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Diagnosis and Treatment of Gastroesophageal Reflux Disease in Infants and Children by Yvan Vandenplas

“…Gastroesophageal reflux is a frequent, nonspecific phenomenon in infants and children. …”
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Experiencia en la cátedra de semiología de la Facultad de Odontología en la universidad de Córdoba, Argentina by Blanca Silvia González López, Elba Giménez, Ricardo Caciva

“…Con el propósito de identificar la patología sistemática y las lesiones bucales, se capturó información de 633 pacientes: 284 varones y 349 mujeres con un promedio de 29 años y un rango de 8 a 83 años. La prevalencia de patología bucal fue de 24.8% y de patología sistémica de 28.2. …”
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MODELING AND OPTIMIZATION OF BAKERY YEAST (SACCHAROMYCES CEREVISIAE) VIABILITY BY USING EXPERIMENTAL DESIGN PROCEDURE by ANA-MARIA GEORGESCU, DUMITRA RADUCANU

“…The optimal conditions for growth parameters of Saccharomyces cerevisiae were obtained for an amount of carbohydrates (glucose) of 46.8 g·L-1, a temperature of 30oC and a pH of 5.7. …”
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Parcours professionnels et professionnalisation des enseignants du secondaire : des régularités du social aux trajectoires singulières by Pascal Guibert, Gilles Lazuech

“…The occupational integration of secondary school teachers can be explained by a combination of causes that interact with each other. …”
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Research on Stepless Speed Change Mechanism of Variable Diameter Pulley and Planetary Compound Transmission by Chuang Yan, Aiping Song, Jianzhou Pan, Ning Mei

“…A high-efficiency and high-power continuously variable transmission（CVT） is studied, which is mainly composed of variable-diameter pulley stepless speed change transmission and planetary differential gear train transmission. …”
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