Research on aerodynamic characteristics and control method of rigid-flexible variable camber wing by Tao Xin, Bin Li

“…Abstract In order to realize the continuous chord bending of the wing and consider the material deformation limitation, a trailing-edge curvature variable wing section combining rigid and flexible structures is proposed. …”
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Kinematic analysis of gait in children with rigid flatfoot before and after surgical treatment by Iskandar Yu. Khodjanov, Xasanali I. Umarov, Sherali K. Khakimov, Anvar G. Mirzaev

“…Material and methods. The study included 51 patients (42 boys, 9 girls) with rigid flatfoot, with a mean age of 10.5 ± 1.4 years. …”
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CLINICAL VALUE OF THE PARAMETERS OF LOCAL AND REGIONAL VASCULAR RIGIDITY, WAYS FOR PHARMACOLOGICAL CORRECTION by V. E. Oleynikov, I. Ya. Moiseeva, E. A. Melnikova, Yu. A. Tomashevskaya, I. V. Avdeeva

“…To study the influence of age on the parameters of local vascular rigidity in healthy persons, and to assess correlations of carotid arteries rigidity in coronary heart disease (CHD) patients with arterial hypertension (AH)  of 1-2  grades   with assessment  of vasoprotective  effect  of a sartan — antagonist of angiotensin II receptors (AAR).Material and methods. …”
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An Investigation of the Mechanical Properties of Concrete with Different Types of Waste Plastics for Rigid Pavements by Nuha S. Mashaan, Cherrie Ann E. Ouano

“…The increasing demand for sustainable construction practices has prompted the exploration of innovative materials, such as waste plastics, to enhance both the environmental and mechanical performance of concrete, particularly for rigid pavements. …”
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On joint efficiency of composite anisotropic plate rigidly fixed along outside edges by A. G. Akopyan

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Thermally stable rigid polyurethane foam with excellent thermal insulation and mechanical properties by Xu Zhang, Shuai Ding, Zhaoqian Wang, Zhi Wang, Hua Xie

“…Rigid polyurethane foam (RPUF) had been widely used in many fields due to its excellent performance. …”
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Synthesis of New Thiophene Derivatives and Their Use as Photostabilizers for Rigid Poly(vinyl chloride) by Asim A. Balakit, Ahmed Ahmed, Gamal A. El-Hiti, Keith Smith, Emad Yousif

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Diagnostic Accuracy Of Barium Swallow For Dysphagia, Keeping Rigid Esophagoscopy As The Gold Standard by Ansa Umara Akram, Sadia Chaudhry, Sundas Masood, Amna Kausar, Seema Naveed, Areesha Manzoor

“…Most of patients (87.39%) had pathologies found during rigid esophagoscopy, while just a small number (12.61%) had normal rigid esophagoscopy. …”
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The impact of utilizing waste tires and plastic on concrete pavement performance and environmental benefits by Ahmad M. Abu Abdo, S. J. Jung, Hany El Naggar

Subjects: “…rigid pavements…”
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Experimental Investigation on the Application of Ultra-Rapid-Hardening Mortar for Rigid Small Element Pavement by Eui-Seok Han, Junho Gong, Dooyong Cho, Sun-Kyu Park

“…In order to overcome these obstacles, ultra-rapid-hardening (URH) cement for rigid small element pavement (SEP) was implemented as both jointing and laying course materials. …”
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Thermally Activated Delayed Fluorescence and Beyond. Photophysics and Material Design Strategies. by Hartmut Yersin, Uwe Monkowius

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METHODOLOGY FOR CALCULATION OF RIGIDITY IN EARTH DAM SLOPE PROTECTION UNDER CONDITIONS OF WAVE IMPACT by E. I. Mikhnevich

“…Various types of protection are used in order to ensure rigidity in earth dam slopes and dumped rip-rap and precast and cast-in-situ reinforced plates are the most commonly used for this purpose. …”
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Developing of Hots Test Instruments in Computer-Based Exams on Rotational Dynamics and Rigid Bodies by Yunus Agustian, Neng Nenden Mulyaningsih, Dandan Luhur Saraswati

“…The result of this research is the HOTS-based test instrument in a computer-based test that is feasible on the material of rotational dynamics and rigid body balance that meets the validity requirements of material experts and media experts with the lowest V index value of 0.58 and the highest V index value equal to 0.83. …”
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Microhardness and Dynamic Yield Strength of Copper Samples upon Impact on a Rigid Wall by N. V. Pakhnutova, E. N. Boyangin, O. A. Shkoda, S. A. Zelepugin

“…One of the commonly used methods for assessing the dynamic characteristics of a material is the Taylor test, which establishes the relationship between the dynamic yield strength of a cylindrical sample material and its length after hitting a non-deformable barrier. …”
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The extremely efficient and luminous-thermal-stable red phosphor based on new layered and rigid phosphate by Rong-Rong Wang, Jing Zhang, Yi-Jia Liu, Gui-Hua Li, Ge-Mei Cai

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Clinical value of complex ambulatory monitoring of blood pressure and arterial rigidity in elderly patients by M. A. Markova, E. E. Tyulkina, Yu. V. Kotovskaya, Zh. D. Kobalava

“…In AH patients aged over 75 years, PWT100-60 correlated with traditional indices of arterial rigidity. Lower PWT100-60 and higher PWV were observed among individuals with CVE in anamnesis.…”
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Research on Active Disturbance Rejection Control of Rigid–Flexible Coupled Constant Force Actuator by Chuanxing Jiang, Zhijun Yang, Jun Zheng, Bangshang Fu, Youdun Bai

“…This study introduces a rigid–flexible coupled constant force actuator integrated with Active Disturbance Rejection Control (ADRC) to tackle the rigidity–compliance trade-off in precision force-sensitive applications. …”
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Relationship between indicators of carotid artery rigidity and cognitive functions in arterial hypertension patients by N. Ya. Dotsenko, S. S. Boev, I. A. Shekhunova, A. V. Molodan, L. V. Gerasimenko, A. Ya. Malynovskaya

“…Material and methods. The subject of the examination was a group of 69 patients with stage II arterial hypertension, grade 2–3, not receiving any antihypertensive therapy or being treated irregularly, aged 51,38 ± 0,94 years. …”
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Modelling the relationship of smoothness and resistibility in non-rigid pavements based on theoretical and practical studies by Yu. V. Burtyl, D. V. Kapski

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Dynamics and Failure Analysis on Rigid–Flexible Coupling Structure to Bucket Wheel Stacker Reclaimer by Xiaozhen Wang, Yixiao Qin, Lin Chen

“…By simulating the excavation forces generated by different materials, the dynamic response of the equipment during operation was analyzed. …”
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