Results 91 to 100 of about 19,738 (285)
A new approach to model tyre/road contact [PDF]
, 2006 In the Structural Dynamics and Acoustics group at the University of Twente, we aim to develop a quantitative tyre/road noise model. An essential part of this model is an accurate contact algorithm which is fast enough to simulate tyre vibrations up to ...
Boer, A. de, Wijnant, Y.H.
core +1 more source
Developing Micro/Nanostructured Fluidic Mixing Technology for Biomedical Applications
Advanced Science, EarlyView.This review critically evaluates how micro/nanostructured mixing technologies are redefining biomedical research. By synergizing fundamental analysis, numerical modeling, structural design, and external field manipulation, these systems attain unprecedented control over mass transport.
Junkai Wang +3 more
wiley +1 more source
Stick-Slip Vibration Suppression in Drill String Using Observer-Based LQG Controller. [PDF]
Sensors (Basel), 2022 Riane R +4 more
europepmc +1 more source
Advanced Science, EarlyView.Molecular dipole engineering in dendritic perylene diimide polymers through nitrogen‐rich heterocyclic linkers amplifies the built‐in electric field, enabling sub‐picosecond charge separation and efficient multi‐electron accumulation. This structure–dynamics–performance relationship establishes a versatile design strategy for high‐performance organic ...
Ying‐Xin Qiao +11 more
wiley +1 more source
Predicting and Rationalizing Piezoelectricity in Racemic Bioorganic Molecular Crystals
Angewandte Chemie, EarlyView.Racemic molecular crystals, composed of equal mixtures of chiral enantiomeric components, are predicted to exhibit significant piezoelectric responses and favourable mechanical flexibility. This study identifies organic and bioorganic racemates as promising candidates for sustainable, lead‐free materials, enabling next‐generation applications in energy
Shubham Vishnoi, Sarah Guerin
wiley +2 more sources
Shiyou jixieStick⁃slip vibration is one of the main vibration forms in the process of horizontal well drilling， and usually leads to adverse consequences such as reduction of bit cutting efficiency and failure of drilling tools.
Li Wenzhe +5 more
doaj
Stick-slip vibration characteristics of drilling tool during drilling in coal seam with gangue. [PDF]
Sci Prog, 2022 Han X, Li P, Xue L, Xu J.
europepmc +1 more source
Advanced Science, EarlyView.Precursor stoichiometry programs the surface chemistry of carbon dots, directing their self‐assembly into distinct aggregation modes. Aldehyde‐enriched surfaces form ordered, hydrogen‐bonded assemblies that enable bright red solid‐state fluorescence, whereas amine‐rich surfaces promote compact π–π stacked aggregates with broadband visible‐light ...
Gaixia Yang +8 more
wiley +1 more source
Advances in Mechanical Engineering, 2019 Stick–slip vibration is common in the oil well drilling process and is detrimental to down-hole equipment and drilling efficiency. In recent years, a new type of drilling technology, torsional impact drilling, has been developed to mitigate the stick ...
Liping Tang, Wei He, Xiaohua Zhu
doaj +1 more source
Advancing Energy Materials by In Situ Atomic Scale Methods
Advanced Energy Materials, Volume 15, Issue 11, March 18, 2025.Progress in in situ atomic scale methods leads to an improved understanding of new and advanced energy materials, where a local understanding of complex, inhomogeneous systems or interfaces down to the atomic scale and quantum level is required. Topics from photovoltaics, dissipation losses, phase transitions, and chemical energy conversion are ...
Christian Jooss +21 more
wiley +1 more source