Results 41 to 50 of about 304 (88)

Towards a continuous active optical clock based on superradiant lasing using strontium [PDF]

open access: yes
Clocks are one of humanity's oldest and most remarkable inventions, now defining virtually our entire system of measurement. Today, optical clocks are so precise, they lose less than a second over the entire age of the universe, and performances continue
Zhou, S.
core   +2 more sources

A double reporter mouse embryonic stem cell line Crx-GFP;Rax-mCherry as a tool for retinal research [PDF]

open access: yes
Severe retinal impairments, including blindness, affect millions worldwide, lowering the quality of life and imposing a high economic burden. Most causative diseases with genetic backgrounds lack effective treatment, and research is being done to ...
Zabiegalov, Oleksandr
core  

The Role of Rx in Embryonic Retinogenesis: Determining Genetic Influences on Optic Vesicle Formation and Photoreceptor Cell Fate [PDF]

open access: yes, 2017
Eye development is a dynamic and complex process that is controlled by the interactions of transcription factors, signaling pathways, and growth factors.
Rodgers, Helen M.
core   +1 more source

Development of Dual-Frequency PMUT Arrays Based on Thin Ceramic PZT for Endoscopic Photoacoustic Imaging. [PDF]

open access: yesJ Microelectromech Syst, 2021
Wang H   +6 more
europepmc   +1 more source

Design and manufacturing improvement of a resonator cavity for ultra-low phase noise oscillator [PDF]

open access: yes
This paper focuses on the design and manufacturing optimization of ultra-low phase noise oscillator resonators for remote sensing satellites. These oscillators require high frequency stability, which directly depends on the Q value of the resonator.
Yan, Ruikang
core  

The Relation of Optimism to Relative Telomere Length in Older Men and Women. [PDF]

open access: yesPsychosom Med, 2020
Kim ES   +11 more
europepmc   +1 more source

The 25th Annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting [PDF]

open access: yes
Papers in the following categories are presented: recent developments in rubidium, cesium, and hydrogen-based frequency standards, and in cryogenic and trapped-ion technology; international and transnational applications of precise time and time interval
Sydnor, Richard L.
core   +1 more source

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