Results 71 to 80 of about 182,114 (232)

Synergistic Regulation of Soil Function and Wind Erosion Resistance by Sand Barriers, Vegetation, and Artificial Biological Crust in the Tengger Desert

Land Degradation &Development, EarlyView.
ABSTRACT Aeolian desertification poses a critical threat to ecosystem stability in arid regions worldwide. Although the combination of sand barriers and vegetation has been widely applied for sand fixation, its long‐term effectiveness is constrained by barrier degradation, slow natural development of biological soil crusts (BSCs), and the resulting ...
Bin Pan, Chen Meng
wiley   +1 more source

Brush seals and common issues in brush seal applications [PDF]

, 2012
Brush seals are receiving wider acceptance with growing number of successful turbomachinery sealing applications over the past couple of decades. Due to their complaint nature these seals can recover from large transient rotor interference occurrences ...
Akşit, Mahmut Faruk
core   +1 more source

Study on vibration characteristics of three-stage brush seal rubbing fault of a counter-rotating aerojet engine

Journal of Low Frequency Noise, Vibration and Active Control
In order to solve the rotor-three-stage brush seal rubbing fault problem during the test run of a counter-rotating aerojet engine, based on the Fast Fourier Transform (FFT), the three-dimensional waterfall diagrams and color maps of different vibration ...
Zhiliang Wang, Wei Zhao, Yingqun Ma, Binbin Liu, Xuesen Yang, Qingjun Zhao   +5 more
doaj   +1 more source

Spent Artemisia arborescens as a Biowaste Filler for Melt‐Processed PBSA Biocomposites With Enhanced Disintegration and Aerobic Biodegradation

Polymer Composites, EarlyView.
Spent Artemisia arborescens biomass, recovered after essential‐oil steam distillation, was ground and melt‐compounded with PBSA (10 and 20 wt%), yielding biocomposites with accelerated biodegradation. ABSTRACT Artemisia arborescens is a Mediterranean shrub widely used for essential oil production, generating significant amounts of spent biomass after ...
Erika Indovino, Melania Leanza, Maria Chiara Mistretta, Marco Rapisarda, Alessandra Culmone, Vittorio Farina, Alessandra Carrubba, Giuseppe Impallomeni, Luigi Botta, Paola Rizzarelli   +9 more
wiley   +1 more source

Dynamic Analysis of Brush-Seal Bristles Using an Incremental Corotational Beam and a Stick–Slip Friction Model

Lubricants
The dynamic behavior of brush-seal bristles governs seal performance and life. Brush-seal hysteresis and the contact and friction of the bristles have been studied extensively by experiments, by three-dimensional finite-element analysis, and more ...
Jae-Hyung Kim, Syed Muntazir Mehdi, Young Cheol Kim   +2 more
doaj   +1 more source

Target‐site mutations and phenotypic failure in Myzus persicae against pyrethroids and carbamates in central Europe

Pest Management Science, EarlyView.
Molecular screening of 140 field‐collected Myzus persicae aphids revealed target‐site mutations L1014F, M918L, M918T, and L932F in the sodium channel and S431F in Ace2. The M918L mutation was the primary driver of high pyrethroid (cypermethrin) resistance, while S431F served as a definitive marker for carbamate (pirimicarb) resistance.
Jitka Stara, Jan Hubert, Pavla Pabiskova, Frantisek Kocourek   +3 more
wiley   +1 more source

A Numerical Study of the Sealing and Interstage Pressure Drop Characteristics of a Four-Tooth Three-Stage Brush Combination Seal

Applied Sciences
Premature seal failure induced by the unevenness of interstage pressure distribution in multi-stage brush seals significantly compromises the sealing efficiency of Air-Turbo Rocket (ATR) engines operating under high-pressure (megapascal-level ...
Chao Gu, Yingqun Ma, Wei Zhao, Xiuming Sui, Bin Hu, Qingjun Zhao   +5 more
doaj   +1 more source

Validation of a novel bioassay method for the evaluation of the activity of slow‐acting insecticides on tomato borer Phthorimaea absoluta

Pest Management Science, EarlyView.
Extended bioassays revealed that azadirachtin and spirotetramat show strong delayed effects against Phthorimaea absoluta, underestimated by the standard Insecticide Resistance Action Committee (IRAC) method 022 protocol. Incorporating long‐term exposures is essential to accurately assess slow‐acting insecticides and improve resistance management ...
Marianna Stavrakaki, Kyriaki Mylona, Dimitris Piperidis, George Afantenos, Katerina Kremi, Konstantina Alipranti, Konstantinos B. Simoglou, Emmanouil Roditakis   +7 more
wiley   +1 more source

Brush Pottery Company vase with flowers photograph

, 1940
This photograph shows a vase from the Brush Pottery Company filled with flowers. The vase was designed by A.L. Cusick, who was a designer for the J.W. McCoy Pottery Company, which later became the Brush-McCoy and then Brush Pottery Company.
Brush Pottery Company; Cusick, A.L., Sr. (Designer);
core   +1 more source

Linear System Identification and Control of a Low‐Cost High‐Performance Omnidirectional Marine Surface Vehicle for Swarming Applications

Journal of Field Robotics, EarlyView.
ABSTRACT Marine operations traditionally rely on human intervention, a costly and disruptive method. Autonomous surface vehicles (ASVs) offer a powerful alternative, capable of operating autonomously, for extended periods, and with various sensors for various missions.
Ayman El Qemmah, Gianni Cario, Alessandro Casavola, Marco Lupia, Francesco Tedesco   +4 more
wiley   +1 more source