Results 211 to 220 of about 133,509 (269)
Why Is the Mechanism Underlying the Chiral‐Induced Selectivity Effect Still Challenging?
Advanced Materials, EarlyView.The chiral‐induced spin selectivity (CISS) effect is observed in many experimental configurations and for different materials. However, there are theoretical challenges in attempting to explain those results. A qualitative framework for explaining all the results is presented.
Ron Naaman, Yossi Paltiel
wiley +1 more source
“Smelltronics”—From Gas to Smell Sensing
Advanced Materials, EarlyView.The emerging field of smelltronics, encompassing sensing technologies for complex volatile organic compounds, holds significant potential for extracting valuable chemical information. It facilitates the noninvasive, real‐time monitoring of humans, food, and the environment.
Takeshi Ono +7 more
wiley +1 more source
Laser‐Assisted Phase Engineering of 2D MoS2 for Efficient Solution‐Processed Electronics
Advanced Materials, EarlyView.Here, local laser‐assisted phase transition from solution‐processed phase‐pure 1T′ to 2H MoS2 is shown to critically depend on the irradiation atmosphere. While processing in air leads to damaged insulating regions, inert conditions yield semiconducting 2H domains, enabling direct field‐effect transistor patterning with optimized lateral 1T′‐2H MoS2 ...
Anna Zhuravlova +10 more
wiley +1 more source
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Characteristics of the distribution of vibrators in pack vibration
Hydrotechnical Construction, 19741. For the disposition of vibrators in packs and the design of the schemes for disposition of the packs in the concreted blocks, account must be taken of the simultaneous action of the vibrators on the concrete mix, which makes it possible to increase by 20–25% the output of the compaction process because of a reduction in the vibration time or a ...
G. D. Petrov, V. B. Safonov
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Vibration characteristics of implants
The Journal of the Acoustical Society of America, 2003Vibro-acoustography is a technique that uses the radiation force of amplitude-modulated ultrasound to evaluate the dynamic response of an object at the modulation frequency. One potential application of this technique is to assess the reaction of the host tissue to the implant material by evaluating the mechanical properties of the tissue surrounding ...
Ahmed M. Al-Jumaily +2 more
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Vibrational characteristics of the glassharp
The Journal of the Acoustical Society of America, 2006Using the finite-element method (FEM), glassharp vibration was analyzed. Results show that the glassharp pitch is controllable at the stage of manufacturing. First, the effects of several factors were studied, such as geometry approximation, element type, and the number of division on the accuracy of mode frequencies.
Koichi Uchida, Kenshi Kishi
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Vibration characteristics of grafts for the tympanic membrane
Advances in Therapy, 2007Perforation of the tympanic membrane occurs frequently as a result of infection, external trauma, and high-level impulsive sound pressure, such as that associated with an explosion. Many different surgical techniques can be used to repair the tympanic membrane and ossicles.
Oktem, Fatih +5 more
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Vibration Characteristics of Fibrous Composites with Damage
Journal of Vibration and Control, 2003A micromechanical model is developed in order to study the vibration characteristics of fibrous composites with damage. Damage is taken in the form of either a broken fiber or a matrix crack normal to the fiber direction. The unidirectionally reinforced periodic composite, when vibrating in the longitudinal (fiber) direction, is modeled as a concentric
Nayfeh, Adnan H., Abdelrahman, Wael G.
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Contact Vibration Characteristic of Electromagnetic Relay
IEICE Transactions on Electronics, 2006Vibration characteristic of electromagnetic relay (EMR), including modal and frequency response are important for increasing operational reliability in mechanical environment. The switching contact system, as function execution component of EMR, is the important parts in this product. This paper presents a dynamic model of contact system by introducing
Wanbin Ren, Guofu Zhai, Li Cui
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Vibrational characteristics of metalloporphyrins
2014The goal of this M.Phil. project is to study the vibrational and electronic properties of three types of metalloporphyrins (MP) in their ground electronic state by means of Fourier Transform (FT) Raman scattering and infrared absorption sprctroscopies and by vibrational analysis.
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