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921
Adaptive Landing Gear: Optimum Control Strategy and Potential for Improvement
Published 2009-01-01“…An adaptive landing gear is a landing gear (LG) capable of active adaptation to particular landing conditions by means of controlled hydraulic force. The objective of the adaptive control is to mitigate the peak force transferred to the aircraft structure during touch-down, and thus to limit the structural fatigue factor. …”
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922
Analytical Solution of Tidal Loading Effect in a Submarine Leaky Confined Aquifer System
Published 2019-01-01“…The impacts of the tidal loading efficiency, hydraulic conductivity and elastic storage of the semipermeable layer and aquifer on the groundwater head fluctuations in the aquifer system are analyzed and discussed. …”
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923
Renaturation urbaine : enjeux de biodiversité d’une métropole réémergente
Published 2015-12-01“…Historically, Ho Chi Minh City is a city of plants and water marked by the presence of lush vegetation and a hydraulic system which harbours a variety of aquatic ecosystems. …”
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924
Un compteur « intelligent » pour mesurer les usages de l’eau : l’entrée en scène d’une nouvelle connaissance
Published 2019-12-01“…Unlike conventional manual meters read two to three times a year, it automatically transmits the previous day’s consumption and average flow rate to the manager. However, beyond a hydraulic logic, how does this “act of measuring”, the production of this new knowledge about water reconfigure the relationship to water of those who use it? …”
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925
Experimental Investigation of the Deformation Characteristics of Tianjin Clays under Coupled Dynamic Stress and Seepage Fields
Published 2019-01-01“…The laboratory results show that the hydraulic conductivity (k) decreases with the increasing seepage pressure, CSR, and N, and its range is from 4.6 × 10−8 cm/s to 7.4 × 10−8 cm/s. …”
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926
Comparative Study on Two Types of Nonpillar Mining Techniques by Roof Cutting and by Filling Artificial Materials
Published 2019-01-01“…The results indicate that the total deformation of the surrounding rock of the GERF is larger and more severe; the convergence between the roof and floor and the entry sides displacement is 885 mm and 216 mm, respectively; the hydraulic support pressure near the retained entry is larger; and the peak value is 38.7 MPa. …”
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927
Les aqueducs romains de Lyon et d’ailleurs : nouveaux repères
Published 2023-12-01“…“Construction works” draws contributions from new obervations at different scales: the design of a new section of aqueduct, the organisation of construction sites and the supply of materials, the building of a canal from the foundations upwards, the handling of factors that impact water flow. Advanced hydraulic engineering such as siphons and some dropshafts or hydraulic jumps are also covered.The “dating” category is the focus of multiple questions as it brings into play a first of politics, large-scale investment and urban amenities. …”
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928
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929
Impact of growing conditions on the gum properties of different genotypes of guar (Cyamopsis tetragonoloba (L.) Taub.)
Published 2019-11-01“…Galactomannan (gum), a water-soluble polysaccharide, is widely used as a gelling agent in liquids, including in the oil and gas industry for hydraulic fracturing. The most effective source of this valuable plant material is seeds of guar (Cyamopsis tetragonoloba (L.) …”
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930
Hydrometeorological Applications: Severe Weather Precipitation Detection, Estimation, and Forecast
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931
Modeling the Structures of Oriented Macrofiber Polymer Composites as Capillary-Porous Bodies
Published 2020-01-01“…As the structural characteristics, the porosity, the specific internal surface, and also the effective (hydraulic) capillary radius of oriented macrofibrous fillers are considered. …”
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932
Investigation on the Combined Effect of Fibers and Cement on the Mechanical Performance of Foamed Bitumen Mixtures Containing 100% RAP
Published 2016-01-01“…In addition, according to previous research studies, incorporating various types of fibers and hydraulic binders such as cement could significantly improve the mechanical performance of mixtures. …”
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933
Human Simulated Intelligent Control with Double-Direction Dead-Zone Compensation for Joint Motion Control of a Large-Sized Boom System
Published 2015-01-01“…Joint motion control of a 52-meter-long five-boom system driven by proportional hydraulic system is developed. It has been considered difficult due to strong nonlinearities and parametric uncertainties, the effect of which increases with the size of booms. …”
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934
spatial-temporal transformation of the volga reservoirs’ soil complex. communication 7. sediment formation in the highly running reservoirs of the volga cascade
Published 2021-08-01“…This mode of operation of hydraulic constructions leads to an increase in the flow rate and fluctuations of the level, which determines the specific conditions for the formation and accumulation of bottom sediments characteristic of river systems. …”
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935
EVALUATION OF ORGANIC MATTER REMOVAL EFFICIENCY FROM PIGGERY WASTEWATER TREATMENT BY THE UPFLOW SLUDGE BLANKET FILTRATION (USBF) SYSTEM
Published 2017-09-01“…In this study, the removal of pollutants from piggery wastewater was evaluated in the USBF reactor at hydraulic retention time (HRT) of 6-15 hours and solid retention time (SRT) of 20 days. …”
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936
Study on the Mechanical Relationship among the Backfilling Mining Support, Roof Rock Beam, and Gangue Filling Body in Comprehensive Mechanized Filling Mining Process
Published 2020-01-01“…Properly increasing the pushing force of backfilling-coal mining hydraulic support on the filling body can also effectively control the roof subsidence. …”
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937
Study on the Mechanism of Rock Stress Sensitivity Using a Random Pore Network Simulation
Published 2016-01-01“…Based on the network model theory, the hydraulic conductivity equation, the dimensionless radius equation, and the effective stress equation for partially saturated rock are used to generate a three-dimensional random pore network model based on the QT platform. …”
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938
Quelle position adopter face au patrimoine qui vient ?
Published 2018-06-01“…The first part of the paper provides a geo-historical contextualisation of the hydraulic works (groynes) intended to improve navigation (channeling). …”
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939
Topographie, urbanisme et gestion des réseaux d’eau à Autun/Augustodunum (Saône-et-Loire) : une nouvelle image de la capitale de cité
Published 2015-12-01“…The recent researches shed a new light on Augustodunum, Ædui’s chief-town, thanks to a comparison between topographic, urbanistic and hydraulic data. We could identify more than 234 structures linked to water management. …”
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940
Experimental investigation of the mechanical properties of Alfas stone
Published 2017-04-01“…All specimens were prepared by following the ISRM suggested methods and the load was applied using a stiff 1600 kN MTS hydraulic testing machine and a 500 kN load cell. Strain was measured using biaxial 0/90 stacked rosettes appropriately attached on each specimen.…”
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