Results 11 to 20 of about 862,833 (296)

Room-temperature-densified H3BO3 microwave dielectric ceramics with ultra-low permittivity and ultra-high Qf value

open access: yesJournal of Materiomics, 2020
With the rapid development of mobile communication technology towards 5G and 6G, the microwave dielectric materials with ultra-low permittivity and ultra-high Qf value are urgently demanded.
Wen Bin Hong   +5 more
doaj   +3 more sources

Tailoring Electrolyte Solvation for Li Metal Batteries Cycled at Ultra-Low Temperature. [PDF]

open access: yesNat Energy, 2021
Holoubek J   +10 more
europepmc   +2 more sources

Dynamics-Based Calculation of the Friction Power Consumption of a Solid Lubricated Bearing in an Ultra-Low Temperature Environment

open access: yesLubricants, 2023
Bearings operating in ultra-low-temperature environments are commonly lubricated with solid lubricants. This study first focused on measuring the traction coefficients of molybdenum disulfide (MoS2) solid lubricant under various working conditions. Based
Bing Su   +4 more
doaj   +1 more source

Analysis on night ventilation effect of buildings with different energy consumption levels in Shenyang [PDF]

open access: yesE3S Web of Conferences, 2022
In this paper, the effects of night natural ventilation on indoor thermal environment of ultra-low energy consumption in a university in Shenyang were evaluated.
Xiaoxu Li   +5 more
doaj   +1 more source

Effect of Ultra-high Pressure Curing on the Quality of Roasted Pork

open access: yesShipin gongye ke-ji, 2022
In order to study the effect of ultra-high pressure treatment on the curing of roast pork and optimize its process, streaky pork was used as raw material in this study.
Lin WANG   +3 more
doaj   +1 more source

Ultra-Low Temperature Nuclear Magnetic Resonance [PDF]

open access: yesIOP Conference Series: Materials Science and Engineering, 2017
Because NMR spectroscopy requests more sensitivity and more resolution, high-frequency and high-power microwave irradiation of electron spins in a magnetic field, Dynamic Nuclear Polarization (DNP) is becoming a common partner for fast sample spinning NMR experiments.
Eric Bouleau   +4 more
openaire   +1 more source

Thermodynamic evaluation of CO2 for ultra-low temperature refrigeration

open access: yesEnergy Conversion and Management: X, 2023
Carbon dioxide (CO2, R744) is the only refrigerant in the safest class by the ASHRAE 34 Standard in the group of natural refrigerants, with zero ozone depletion potential and a global warming potential of 1.
Cosmin-Mihai Udroiu   +4 more
doaj   +1 more source

An automated and versatile ultra-low temperature SQUID magnetometer [PDF]

open access: yes, 2004
We present the design and construction of a SQUID-based magnetometer for operation down to temperatures T = 10 mK, while retaining the compatibility with the sample holders typically used in commercial SQUID magnetometers.
A. Morello   +8 more
core   +3 more sources

Experimental study on uniaxial compressive strength of ultra-low temperature frozen clay

open access: yesYantu gongcheng xuebao, 2021
Underground transportation, coal mining and other projects often encounter the construction problems of sandy soil crisscross and extremely rich groundwater in soft soil strata.
WANG En-liang , REN Zhi-feng , HAN Hong-wei , TIAN Yu , HU Sheng-bo , LIU Xing-chao
doaj   +1 more source

Vitrification Solutions for Plant Cryopreservation: Modification and Properties

open access: yesPlants, 2021
Many plants cannot vitrify themselves because they lack glassy state-inducing substances and/or have high water content. Therefore, cryoprotectants are used to induce vitrification.
Jiri Zamecnik   +2 more
doaj   +1 more source

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