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12761
A theoretic control approach in signal-controlled metabolic pathways
Published 2007-04-01“…Controllability and observabilityare structural properties of a dynamical system. Thus our resultsmay explain why the metabolic pathways can be controlled andregulated. …”
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12762
Compression Behavior of CFST Stub Columns with Holes
Published 2020-01-01“…Holes are always opened in the steel tubes during the inspection and revision of initial concrete imperfections in concrete filled steel tubular (CFST) columns. The structural performance of such composite columns with holes may have obvious differences in comparison with normal CFST members. …”
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12763
Mapeamento para o zoneamento ecológico do território de Alagoas, Brasil.
Published 2019-06-01“…The segments proven by the physiographic structural result are important as a premise for the ecological perception and integrated understanding of the landscape.…”
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12764
THE SYSTEM OF BACHELOR STUDENTS’ ECOLOGICAL COMPETENCY FORMING IN HUMANITARIAN DIRECTIONS AND OF TEACHING
Published 2015-10-01“…There is considered the content and the structure of educational discipline “Connections with the society in the field of ecology”. …”
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12765
Tooth Cutting Machining of Cycloid Coupling based on Monolithic Cutter
Published 2021-12-01“…In order to realize the machining of the cycloid coupling on the domestic CNC bevel gear milling machine,the cutting principle and processing method of the cycloid coupling are studied. Based on the structural characteristics of the cycloid coupling,the processing method for machining cycloid coupling with monolithic cutter is proposed,and the lengthwise curvature and profile curvature are corrected by changing the radius of the cutter and the radius of the blade arc. …”
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12766
Design of Wrist Rehabilitation Mechanism and Research on Impedance Control
Published 2024-09-01“…In order to better assist patients with wrist injuries in rehabilitation, a wrist rehabilitation trainer was designed. Firstly, the structure of the rehabilitation trainer was designed based on the biological motion mechanism of the wrist joint and the bionic principle, and the design of the flexible compensation joint of the wrist joint was added. …”
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12767
A case report of atrial enlargement and transitory electrocardiographic changes during labour
Published 2020-09-01“…The cardiovascular system is subject to a reversible series of structural and functional adaptations during pregnancy. …”
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12768
Reflexes of Organizational Values on the Reward System in a Family Business
Published 2021-01-01“…In the analyses, the structural equation modeling technique was applied. …”
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12769
Cooperative Analysis of a Scorpion-like Composite Robot with Multiple Arms
Published 2022-12-01“…In order to verify the rationality of the robot structure, the overall D-H structure of the composite robot is modeled by Matlab, the forward and inverse kinematics of the legs of the composite robot are analyzed, and the working space probability model of the infrared thermometer with both arms and tail is obtained by Monte Carlo method simulation. …”
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12770
A Holistic Examination of How Professional Learning and Curriculum Relate to Ambitious and Culturally Relevant Instruction and Student Engagement
Published 2025-01-01“…To shape professional learning (PL) and curriculum interventions for successfully transforming instruction, we need to better understand how multiple aspects of the system work. Applying structural equation modeling with a sample of 437 teachers in 153 middle and high schools in 11 districts serving 50% or more Black or Latinx students, we found that teachers are significantly more likely to use ambitious and culturally responsive (CR) instruction in the classroom and that student engagement increases when PL and curriculum adoption are (1) targeted toward ambitious and CR instruction, (2) provide clear, specific directions to teachers, (3) are aligned with each other, (4) are supported by teachers, and (5) are accompanied by incentives. …”
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12771
Accurate Reconstruction of Gas Turbine Blade Geometry Using 3D/2D Rigid-Registration and CT View Optimization
Published 2025-02-01“…Non-destructive X-ray or computed tomography (CT) testing plays a crucial role in the quality assurance process of turbine blades by allowing precise measurement of internal channels, ensuring adherence to the thermal and structural performance requirements. In our study, we utilize a gas turbine blade as a case study, highlighting the significance of its internal flow channels. …”
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12772
OPTIMAL DESIGN OF A RE-DIRECTIVE CRASH CUSHION WITH A SHEARING AND EXTRUSION EXPANSION MIXED ENERGY ABSORPTION TYPE (MT)
Published 2023-01-01“…Combining the topology optimization of crashworthiness results and the shear squeezing energy absorption idea, this paper proposes a re-directive crash cushion with a shear and extrusion expansion mixed energy absorption type, and then based on the robust design method to obtain its optimal structural parameters. Firstly, according to topology optimization of crashworthiness for obtaining the best force transmission path. …”
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12773
Un système de sépulture égalitaire en territoire tarquinien
Published 2021-12-01“…Those large cube-shaped pits are dug into the tufa bedrock and apart from various internal arrangements –single or double burials, inhumation or cremations– they always have a similar layout and same structural characteristics. This type of grave was thought to be attested exclusively in Musarna and its surroundings but we have registered 83 graves a cassone of ‘Musarna type’, distributed throughout the Tarquinian territory. …”
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12774
Une révolution presque sereine : la déségrégation des écoles à Washington en 1954
Published 2024-12-01“…The dual school system was decidedly unequal, and segregation had become a clear obstacle to the resolution of its structural dysfunctions. Beginning in 1947, parents and civic organizations protested relentlessly in the streets and in the courts, after local activists had obtained the end of segregated theaters as early as 1946. …”
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12775
RESEARCH ON LAYOUT OF LARGE VIBRATING SCREEN SIDE PANEL STIFFENERS BASED ON TOPOLOGY OPTIMIZATION
Published 2015-01-01“…Compared with the original side panel structure,the new side panel’s dynamic stress was reduced by 56. 5%,Vibration displacement was reduced by 55. 3%. …”
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12776
ENTREPRENEURS CONFIDENCE IN INNOVATION AND THEIR INNOVATIVENESS
Published 2012-05-01“…Innovation is measured by two questions asking if customers consider the product or service new and unfamiliar, if the technologies or procedures required for the product or service are new. Using structural equations modeling, we conclude that there is a positive effect of organizational innovation confidence on innovation. …”
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12777
Mobile Right Atrial Thrombi in a Patient with the Hemoglobin SC Disease
Published 2011-01-01“…The formation of Intracardiac thrombi is rare in the absence of structural heart disease or atrial fibrillation. We describe a case of spontaneous right atrial thrombus formation that occurred in a patient with a hypercoagulable condition who had been sub optimally anticoagulated.…”
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12778
From Crisis to Crisis
Published 2018-12-01“…The Washington Consensus structural adjustments eased a shift in the post-war development pattern and deepened dependent integration in the European structures. …”
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12779
Dimensional Analysis and Optimization of 3-DOF Parallel Bionic Mechanical Leg
Published 2018-01-01“…The dimension synthesis and optimization about the mechanical leg structure is completed. The position vector model of the mechanical legs is established. …”
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12780
General Design and Layout of Datengxia Hydropower Station
Published 2022-01-01“…Datengxia hydropower station is a riverbed power station with a low water head and large flow.It is installed with eight 200 MW axial-flow paddle turbine generating sets,with an average annual generating capacity of 6.055 billion kW·h,which makes early and remarkable economic benefits of generating sets possible.The buildings in the station mainly include the main engine room,installation room,outgoing line yard,sand retaining barrier,and drift retaining row.In combination with the construction diversion,the station adopts a left-and-right bank layout scheme and employs measures to optimize the prestressed reinforced concrete spiral case and layers and blocks in structural design,so as to minimize the project's total construction period and ensure the earliest power generation of the first set.The layout scheme and the optimal design of the station can provide a reference for other similar engineering designs.…”
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