Search Results - "Jianjun, Qu"
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Annual and diurnal variations of gaseous and particulate pollutants in 31 provincial capital cities based on in situ air quality monitoring data from China National Environmental Monitoring Center
Published in Environment international (01-01-2016)“…Long-term air quality data with high temporal and spatial resolutions are needed to understand some important processes affecting the air quality and…”
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2
Turbulent Flow Structures Over a Gobi Surface and Their Impact on Aeolian Sand Transport
Published in Geophysical research letters (16-08-2023)“…Here, we present the results of turbulent flow structures and their influence on aeolian sand transport over gobi surfaces based on quadrant analysis. The…”
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3
Knockdown of Long Non-Coding RNA UCA1 Increases the Tamoxifen Sensitivity of Breast Cancer Cells through Inhibition of Wnt/β-Catenin Pathway
Published in PloS one (15-12-2016)“…Acquired resistance to tamoxifen remains a major obstacle in breast cancer (BC) treatment, since the underlying mechanism has not been fully elucidated. The…”
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4
Self-repairing properties of complex titanium grease containing hydroxyl silicate
Published in Tribology international (01-09-2020)“…With magnesium hydroxyl silicate modifiers, a kind of complex titanium grease was prepared containing magnesium hydroxyl silicate modifier. Using four-ball…”
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Interactions between freeze–thaw actions, wind erosion desertification, and permafrost in the Qinghai–Tibet Plateau
Published in Natural hazards (Dordrecht) (2017)“…The unique natural environment of the Qinghai–Tibet Plateau has led to the development of widespread permafrost and desertification. However, the relationship…”
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6
Microstructure and mechanical properties of AZ61 alloys with large cross-sectional size fabricated by multi-pass ECAP
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (10-01-2013)“…As-cast AZ61 alloys were processed by equal-channel angular pressing (ECAP) using various process parameters. The microstructure and mechanical properties of…”
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7
Applying end-member modeling to extricate the sedimentary environment of yardang strata in the Dunhuang Yardang National Geopark, northwestern China
Published in Catena (Giessen) (01-09-2019)“…Formative mechanisms and sedimentary environments of yardang landform distribution in arid and semiarid regions of northwestern China remain poorly understood…”
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Fractal features of sandy soil particle-size distributions during the rangeland desertification process on the eastern Qinghai-Tibet Plateau
Published in Journal of soils and sediments (2020)“…Purpose Fractal theory has been frequently applied to quantify soil particle-size distributions (PSDs) and evaluate soil degradation. Eolian desertification…”
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9
Impact of anthropogenic activities on airflow field variation over a star dune
Published in Catena (Giessen) (01-01-2021)“…•3D numerical and wind tunnel models were used to study the wind flow of a star dune.•The impact of human disturbance was investigated by changing…”
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10
Aeolian sediment transport over sandy gobi: Field studies in the Nanhu gobi along the Hami-Lop Nor Railway
Published in International Soil and Water Conservation Research (01-03-2023)“…Wind-blown sand over sandy gobi with an abundant sediment supply can cause severe sand hazards. However, compared with the study of aeolian transport over…”
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Effects of wind speed, underlying surface, and seed morphological traits on the secondary seed dispersal in the Tengger Desert, China
Published in Journal of arid land (01-04-2024)“…The maintenance of sand-fixing vegetation is important for the stability of artificial sand-fixing systems in which seed dispersal plays a key role. Based on…”
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12
Wear properties of brass and PTFE–matrix composite in traveling wave ultrasonic motors
Published in Wear (15-09-2015)“…The wear of a traveling wave ultrasonic motor has certain particularities due to its special drive mechanism. In this investigation, the progression of wear of…”
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13
Targeted control of sand hazards for a railway in extremely arid regions using fingerprinting approaches
Published in Geomorphology (Amsterdam, Netherlands) (15-07-2020)“…Reliable quantitative information on sediment sources is key for the reasonable arrangement of targeted measures that effectively control hazards of wind…”
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Large scale sand saltation over hard surface: a controlled experiment in still air
Published in Journal of arid land (01-06-2021)“…Saltation is the major particle movement type in wind erosion process. Saltating sand grains can rebound up to tens of times larger in length and height over…”
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15
Quantifying provenance of reservoir sediment using multiple composite fingerprints in an arid region experiencing both wind and water erosion
Published in Geomorphology (Amsterdam, Netherlands) (01-05-2019)“…Quantitative information on sediment sources is useful for developing targeted protection measures that effectively control soil erosion in a watershed. In…”
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16
Shelter effect efficacy of sand fences: A comparison of systems in a wind tunnel
Published in Aeolian research (01-02-2018)“…The Lanzhou-Xinjiang High-speed Railway runs through an expansive wind area in the Gobi Desert and blown-sand disasters are a critical issue affecting its…”
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The effect of roughness density of gobi beds on the entrainment of sediment by wind: A wind tunnel study
Published in Journal of wind engineering and industrial aerodynamics (01-07-2019)“…Although gobi is a major source of dust storms in northern China, few studies have investigated the effect of roughness density (λ) of gobi beds on aeolian…”
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18
Evaluation of five different sediment fingerprinting approaches for estimating sediment source contributions in an arid region
Published in Geoderma (01-12-2022)“…•More composite fingerprints (CFs) produce better estimation based on the law of large numbers.•Methods of optimal mathematical solutions depend on the number…”
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A Longitudinal-Bending Hybrid Linear Ultrasonic Motor and Its Driving Characteristic
Published in Shock and vibration (06-01-2022)“…As a new type of driver, linear ultrasonic motor (LUSM) is widely used in the high-tech field because of its low speed, high thrust, low noise, and no…”
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Quantifying the provenance of aeolian sediments using multiple composite fingerprints
Published in Aeolian research (01-09-2016)Get full text
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