Results 241 to 250 of about 852,097 (307)

Photothermal Macroporous Lignin Cryogels for Off‐Grid, Continuous Atmospheric Water Collection via Interlayer Heat Recovery

Advanced Functional Materials, EarlyView.
Photothermal, macroporous lignin‐based cryogels are engineered to convert sunlight into low‐grade heat. Integrated as stacked beds in a drum‐type device, a thin copper interlayer transfers waste heat between beds, enabling interlayer heat recovery and continuous solar cycling.
Jie Yan, Jiqing Lu, Tian Bai, Lin Li, Zhaoxuan Niu, Yiying Yue, Wanli Cheng, Guangping Han, Orlando J. Rojas   +8 more
wiley   +1 more source

Low Power Consumption Silica Thermo-Optic Switch Based on Polymer Cladding. [PDF]

Polymers (Basel)
Zhong T, Qin J, Liu W, Xie Y, An C, Qin Y, Yi Y.   +6 more
europepmc   +1 more source

A Low-Cost Dual-Frequency Dual-Polarized Antenna Array with High Gain. [PDF]

Micromachines (Basel)
Zhang JD, Wang M, Wu W.
europepmc   +1 more source

K-Hammer percutaneous fixation: a novel technique for preventing iatrogenic ulnar nerve injury in pediatric supracondylar humeral fractures. [PDF]

Front Pediatr
Zhou Y, Bai X, Li C, Zhou M, Bai F, Chen J, Sun G.   +6 more
europepmc   +1 more source

Management of malaligned teeth in young patients with overlay removable partial denture: series of two case reports. [PDF]

J Surg Case Rep
Elsawy A, Khan AS.
europepmc   +1 more source

Prospective controlled study comparing 5.5-mm long implants with longer implants to support fixed partial prosthesis in the premolar-molar regions: 12 months follow-up. [PDF]

BDJ Open
Anitua E, Montalvillo A, Alkhraisat MH.
europepmc   +1 more source

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Low insertion loss, graphene-based platform for loss modulation

Conference on Lasers and Electro-Optics, 2022
We show low insertion loss platform based on loss modulation of hybrid SiN/graphene structure. We measure an intrinsic quality factor of 80,000 in a ring resonator based device when the graphene is in its high loss state.
Ipshita Datta, Xingchen Ji, Gaurang R. Bhatt, Brian S. Lee, Michal Lipson   +4 more
openaire   +1 more source

On windscreen insertion loss

The Journal of the Acoustical Society of America, 2002
Microphone windscreens are used to attenuate wind noise. They add impedance between the source and microphone, not accounted for when the system is checked by acoustical calibrator or when used in the field. The procedure for the characterization of the attenuation has recently been addressed in ANSI S1.17/2000 part 1.
Mariana Buzduga, Richard J. Peppin
openaire   +1 more source

Insertion loss of an acoustic enclosure

The Journal of the Acoustical Society of America, 2004
Acoustical enclosures are the common arrangements in reducing airborne noise from shipboard machinery such as engines and generators. In this paper the theoretical models, established based on statistical energy analysis, are presented for predicting the insertion loss of acoustical enclosures in different frequency ranges.
Ruisen, Ming, Jie, Pan
openaire   +2 more sources