Results 31 to 40 of about 84,824 (175)

Fiber Ring Based Optical Frequency Comb Generator with Comb Line Spacing Tunability [PDF]

, 2005
A fiber ring based Optical Frequency Comb Generator with tunability in comb line spacing, fast tuning of 10 MHz per step with speed much better than 0.1 s, and a high coherence is ...
Shillue, William P., P.G. Huggard, Ellison, Brian N., Huggard, Peter G., Davies, Phil A., Shen, Pengbo, B.N. Ellison, W.P. Shillue, Gomes, Nathan J., P. Shen, P.A. Davies, N.J. Gomes   +11 more
core   +1 more source

Biodiversity of gelatinous macrozooplankton: Quantitative assessment of data and distribution patterns in the southern and central North Sea during August 2018

Data in Brief, 2019
This article describes the biodiversity of gelatinous macrozooplankton and presents quantitative field data on their community composition and distribution pattern in the North Sea during August 2018.
Christine Gawinski, Bastian Huwer, Peter Munk, Cornelia Jaspers   +3 more
doaj   +1 more source

Histological Study of Human Umbilical Cord in Diabetic Pregnant Females [PDF]

The Egyptian Journal of Histology, 2019
Background: The umbilical cord (UC) is the lifeline between the fetus and placenta. It allows gas and nutrient exchange. Diabetes mellitus is the most common metabolic disorder that occurs during pregnancy, it has complications on both mother and fetus ...
Mona Salem, Shadia Abd El-Gawwad, Eman Mahmoud, Heba Elyamany   +3 more
doaj   +1 more source

Honey Bee Exposure to the Fungicide Propiconazole in Lowbush Blueberry Fields

Agronomy, 2022
The fungicide propiconazole is a commonly used fungicide in small fruit and tree fruit production in the U.S.A. In Maine wild blueberry production, it is used almost exclusively for mummy berry disease control.
Francis Andrew Drummond
doaj   +1 more source

Robust optical injection locking to a 250 MHz frequency comb without narrow-band optical pre-filtering [PDF]

, 2011
A semiconductor laser was injection locked to a single optical frequency comb mode with a dither-free phase locked loop.
Wu, D.S., Slavík, R., Marra, G., Richardson, D.J.   +3 more
core   +2 more sources

A monolithic MQW InP/InGaAsP-based comb generator [PDF]

, 2006
We report a monolithic optical frequency comb generator using quaternary/quaternary multiple quantum well InV/InGaAsP material as phase modulator and gain medium in a Frequency Modulated (FM) laser design. The modulation was generated by quantum confined
I. Lealman, S. Gregoire, Renaud, CC, R. Gwilliam, Pantouvaki, M, C. C. Renaud, Gregoire, S, Lealman, I, Seeds, AJ, Cannard, P, M. Pantouvaki, Gwilliam, R, A. J. Seeds, P. Cannard   +13 more
core   +1 more source

Analysis and demonstration of a fast tunable fiber-ring-based optical frequency comb generator [PDF]

, 2007
Fiber-ring-based optical frequency comb generators are analyzed to understand their behavior and limitations. A numerical frequency-domain model is described for studying dispersion and other phase mismatch causing effects in the fiber ring cavity, as ...
Ellison, Brian N., Huggard, Peter G., Davies, Phil A., Shen, Pengbo, Gomes, Nathan J.   +4 more
core   +1 more source

IMPROVEMENT OF METHODS FOR HYDROBIOLOGICAL RESEARCH AND MODIFICATION OF STANDARD TOOLS FOR SAMPLE COLLECTION

Юг России: экология, развитие, 2015
Aim. The paper discusses the improvement of methods of hydrobiological studies by modifying tools for plankton and benthic samples collecting. Methods.
M. M. Aligadjiev, M. M. Osmanov, F. Sh. Amayeva   +2 more
doaj   +1 more source

Inertia-driven flow symmetry breaking by oscillating plates

AIP Advances, 2019
While cilia are generally found in viscosity-dominated regimes, those of a comb jelly, the longest motile cilia in nature, are used for propulsion and feeding in inertia-dominated flows.
Daegyu Lim, Mohsen Lahooti, Daegyoum Kim
doaj   +1 more source

Reproductive condition and ovarian atresia in the common kilka (Clupeonella cultriventris) from the Caspian Sea years after a dramatic outbreak of the comb jelly fish (Mnemiopsis leidyi)

Scientia Marina, 2013
To assess the reproductive condition of the common kilka, Clupeonella cultriventris, the somatic condition and reproductive characteristics were studied by histological analysis.
Narjes Karimi, Ali Bani, Shahram Abdolmalaki   +2 more
doaj   +1 more source