Results 1 to 10 of about 4,093,745 (349)

A Few Mode Fiber Temperature Sensor Filled With PDMS Based on Vernier Effect

open access: yesIEEE Photonics Journal, 2021
A few mode fiber temperature sensor filled with PDMS based on vernier effect is proposed. It uses single mode fiber (SMF), few mode fiber (FMF), and polydimethylsiloxane (PDMS) to form the SMF-air microcavity-FMF-PDMS-FMF structure.
Xinghu Fu   +9 more
doaj   +1 more source

Reaction of fiber flax varieties to seeding rates, sowing time and optimization of mineral nutrition on sod-podzolic medium- cultivated soils in the Pskov region

open access: yesАграрная наука Евро-Северо-Востока, 2020
The article presents the results of scientific research for 2014-2019 on the reaction of early-maturing fiber flax varieties (Linum usitatissimum L.) of the Pskov selection Peresvet, Kvartet, Voskhod and Dobrynya to growing conditions: sowing time ...
A. D. Stepin   +4 more
doaj   +1 more source

Direct fiber vector eigenmode multiplexing transmission seeded by integrated optical vortex emitters [PDF]

open access: yes, 2017
Spatial modes have received substantial attention over the last decades and are used in optical communication applications. In fiber-optic communications, the employed linearly polarized modes and phase vortex modes carrying orbital angular momentum can ...
Cai, Xin-Lun   +11 more
core   +1 more source

Recognition Preference of Rhodamine Derivative Bearing Phthalimido Gly for Hg2+ by UV-Vis and Fluorescence Spectroscopy

open access: yesJournal of Spectroscopy, 2013
An effective Hg2+-specific probe 1 was designed and prepared based on Phthalimido Gly modified rhodamine B. The sensing behavior of probe 1 was studied by UV-Vis and fluorescence spectroscopy.
Fanyong Yan   +5 more
doaj   +1 more source

High-brightness table-top coherent XUV source at 130eV [PDF]

open access: yesEPJ Web of Conferences
We present a highly stable, easy-to-use, table-top coherent XUV source delivering a brightness of >1kW/(mm²sr)/1%BW at 130eV (9.5nm). It is based on high-harmonic generation driven by an ultrastable ytterbium-based fiber laser and a multipass-cell-based ...
Tschernajew Maxim   +8 more
doaj   +1 more source

Preparation of Chiral Epoxy Resins and the Optically Active Cured Products

open access: yesAdvances in Polymer Technology, 2023
Chirality is one of the most common and significant phenomenon in nature, and epoxy resin is one of the most widely used and researched thermosetting resins, however the influences of chiral carbon in epoxy group on the performances of the cured epoxy ...
Xinyuan Tang   +5 more
doaj   +1 more source

In-Situ Detection Method of Jellyfish Based on Improved Faster R-CNN and FP16

open access: yesIEEE Access, 2023
In recent years, large numbers of jellyfish have congregated in marine areas, leading to a decline in other plankton and fisheries. Jellyfish themselves have a certain toxicity and aggression, which have a serious impact on the safety of human life.
Bi Weihong   +5 more
doaj   +1 more source

The Main Problems of Scientific Support of Flax Growing

open access: yesСельскохозяйственные машины и технологии, 2020
Strategic plans for the economic development of the Russian Federation involve an increase in demand for natural fiber products, including linen, which will require an increase in the production of domestic linen in the near future.
R. A. Rostovtsev   +3 more
doaj   +1 more source

Dietary fiber and prebiotics and the gastrointestinal microbiota

open access: yesGut microbes, 2017
The gastrointestinal microbiota has an important role in human health, and there is increasing interest in utilizing dietary approaches to modulate the composition and metabolic function of the microbial communities that colonize the gastrointestinal ...
H. Holscher
semanticscholar   +1 more source

Technology and implementation of flax stripping in the primary flax processing line

open access: yesСельскохозяйственные машины и технологии, 2023
This paper investigates the utilization of an oscillatory-type working body for the stripping process within the primary fiber flax processing line.
R. A. Rostovtsev   +3 more
doaj   +1 more source

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