Patient comfort during flexible and rigid cystourethroscopy by Wojciech Krajewski, Romuald Zdrojowy, Joanna Wojciechowska, Katarzyna Kościelska, Janusz Dembowski, Michał Matuszewski, Krzysztof Tupikowski, Bartosz Małkiewicz, Anna Kołodziej

“…Material and methods : One hundred and twenty male patients who were under surveillance after a TURB procedure due to urothelial cell carcinoma and who had undergone at least one rigid cystourethroscopy in the past were enrolled in the trial. …”
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An Eight-Membered Ring Molecular Framework Based on Carbazole for the Development of Electroluminescent Materials by An Yan, Shipan Xu, Xuyang Du, Chengyun Zhu, Shengli Li, Xiaolong Yang, Guijiang Zhou, Yuanhui Sun

“…This is because it can confer molecular rigidity and helps to inhibit intermolecular interactions and non-radiative transitions, thus enhancing the performance of luminescent materials. …”
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Optimized sound absorption of a rigid polyurethane foam by M. A. Ibrahim, R. W. Melik

“…The panel is composed of prepainted metal skins with a rigid self extinguishing polyurethane foam. For the achievement of such material as sound absorber, holes are uniformly drilled in the sample to allow relatively easy access of sound to the interior structure. …”
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Self‐healing polymers in rigid and flexible perovskite photovoltaics by Fang‐Cheng Liang, Erdi Akman, Sikandar Aftab, Mustafa K. A. Mohammed, H. H. Hegazy, Xiujuan Zhang, Fei Zhang

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Escaping the rigidity trap: the functional spectrum of Tibetan formulas by Herbert Schwabl

“…Rather than adhering to rigid pharmacopoeias, monographs should reflect the full functional spectrum of herbal materials historically and empirically used. …”
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Smoothening Perfluoroalkylated Surfaces: Liquid‐Like Despite Molecular Rigidity? by Parham Koochak, Mariia S. Kiseleva, Sakari Lepikko, Mika Latikka, Robin H. A. Ras, William S. Y. Wong

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A novel rigidizable inflatable lunar habitation system: design concept and material characterization by Qinyu Wang, Peng Feng, Kaspar Jansen, Charun Bao

“…This work comprises three parts: 1) system: design concept and construction processes, 2) material: design and characterization of restraint and rigidization materials, and 3) structure: numerical validation of structure properties. …”
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Vibration of rigid bodies in the visco-elastic Hook-Maxwell model by Nguyen Van Dao

“… In this paper the self-excited and forced vibrations of rigid bodies fastened to visco-elastic beam are considered. …”
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Effectiveness of scar-induced astigmatism correction by rigid contact lenses by V. V. Neroev, O. M. Selina, E. N. Orlova

“…Purpose: to compare the effect of rigid gas permeable contact lenses (RCL) in the improvement of visual functions vs. spectacle correction in scar-induced astigmatism of the cornea and concomitant posttraumatic conditions. …”
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Shigeru Ban: Exploring the limits of creativity by Mikel Landa

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IMPACT OF MODERN ANTIHYPERTENSION MEDICATIONS ON THE CENTRAL PRESSURE AND ARTERIAL RIGIDITY by L. I. Gusakovskaya, Yu. A. Tomashevskaya, A. A. Khromova

“…To study the impact of 16-week pharmacotherapy with а1,в- adrenoblocker carvedilol (С) on the parameters of pressure and vascular rigidity in arteries of different size in 1-2 grade arterial hypertension (AH) patients.Material and methods. …”
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Cost Analysis of Reclaimed Asphalt Concrete for Rigid Pavement Construction. by Ariho, Dan

“…This study evaluated the feasibility and cost effectiveness of using reclaimed asphalt (RAP) as aggregates in production of concrete for rigid pavements. The RAP material was obtained from Kabaraga in Kabale along Kabale-Mbarara highway crushed to obtain the desired sizes and subjected to laboratory tests i.e. particle size distribution, bulk density and relative density for both coarse and fine aggregates. …”
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Study of dynamics and rigidity of multifunctional coating of protective element of aircraft by A. V. Kupryashov

“…The researcher conducted the simulation using the Femap with NX Nastran software package, The result of the modal analysis is the values and patterns of natural and secondary vibration modes of the multifunctional coating of the protective element of the aircraft using a special module the author has determined the distribution of effective modal masses in tabular form, Also, as a result of calculations, the author of the article obtained the value of the structural rigidity of the protective coating, The results presented in this work allow us to analyze the behavior of protective systems and structural elements of an aircraft with a multifunctional coating applied to the outer surface in real operating conditions, The design team can use the research results of this article in order to increase the efficiency of the development of a new structures and structures of a composite coating for multifunctional purposes, protective elements and materials for space technology…”
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Investigation of anisogrid cylindrical shells for strength, stability and torsional rigidity by L. M. Kovalchuk, T. V. Burnysheva

“…The article discusses anisogrid mesh shell structures made of composite materials. The purpose of the work is to investigate anisogrid shells for strength, stability and torsional stiffness. …”
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Mechanical-mathematical model of unbalanced non-rigid gimbal gear by Oleg A. Polushkin, Oleg O. Polushkin, Ismael M. Fofana

“…The paper is devoted to the development of an ingenious mechanical-mathematical model of the unbalanced non-rigid gimbal gear with account for its axis flexibility. …”
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Dynamics of a Flat Rigid Body on a Horizontal Plane by A. I. Munitsyn, V. E. Tsoy

“…The study of the motion of a rigid body carrying moving masses greatly simplifies the design of capsule robots that can move inside aggressive environments and perform the required operations. …”
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Analysis of the Drapeability and Bending Rigidity of Clothing Packages—A Preliminary Study by Michał Stępień, Iwona Frydrych

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Bibliometric analysis of research trends in rigid pavement over the last decade by Sri Wiwoho Mudjanarko, Paikun Paikun, Basil David Daniel

“…This study presents a bibliometric analysis of research trends in rigid pavement over the last decade, aiming to identify publication trends, research output distribution, main themes, citation patterns, and research gaps. …”
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Alternative Formula for Rigid Pavement Stress Calculation in Corner Load Conditions by Saverio Olita, Maurizio Diomedi, Donato Ciampa

“…The design of rigid pavements is historically based on the classical Theory of proposed by Westergaard in 1929, which considers the rigid pavement as a thin plate resting on an elastic ground with a Winkler reaction, imposing the congruence of vertical displacements at the points of contact between the pavement structure and the ground. …”
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Evaluation of the usability of trachydacitic aggregate in rigid pavements in terms of strength and durability by Muhammed Tanyıldızı, Hasan Erhan Yücel, Maciej Dutkiewicz, Hakan Çoban, Abdulrezzak Bakış

“…Abstract The research presented here investigates the usability of trachydacitic, an unexploited material that occurred in nature, as aggregate in the construction of concrete/rigid pavements under two different curing conditions. …”
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