نتایج جستجو برای: oliveria decumbens vent

تعداد نتایج: 4246  

Journal: :Mechanical Engineering 2003

Journal: :Eikon / Imago 2014

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2008
Joseph J Grzymski Alison E Murray Barbara J Campbell Mihailo Kaplarevic Guang R Gao Charles Lee Roy Daniel Amir Ghadiri Robert A Feldman Stephen C Cary

Hydrothermal vent ecosystems support diverse life forms, many of which rely on symbiotic associations to perform functions integral to survival in these extreme physicochemical environments. Epsilonproteobacteria, found free-living and in intimate associations with vent invertebrates, are the predominant vent-associated microorganisms. The vent-associated polychaete worm, Alvinella pompejana, i...

Journal: :Journal of applied physiology 2001
N D Avery L A Wolfe C E Amara G A Davies M J McGrath

This study examined the effects of human pregnancy on heart rate variability (HRV), spontaneous baroreflex (SBR) sensitivity, and plasma catecholamines at rest and during exercise. Subjects were 14 healthy, physically active pregnant women (PG; mean gestational age = 33.9 +/- 1.0 wk). Results were compared with an age-matched nonpregnant control group (NPG; n = 14) with similar characteristics....

Journal: :The Journal of experimental biology 2006
Bruce Shillito Nadine Le Bris Stéphane Hourdez Juliette Ravaux Delphine Cottin Jean-Claude Caprais Didier Jollivet Françoise Gaill

The shrimp Mirocaris fortunata is a hydrothermal vent species that is found at most vent-sites along the Mid-Atlantic Ridge. This endemic species is found across a hydrothermal gradient, with thermal conditions ranging from 2-9 degrees C in ambient seawater to fairly warm values of about 25 degrees C. We performed in vivo experiments on M. fortunata specimens originating from different sites an...

2008
Darcy E. Ogden Gary A. Glatzmaier Kenneth H. Wohletz

Volcanic plumes resulting from explosive volcanic eruptions present a variety of hazards depending on their behavior. Buoyant plumes heat and entrain enough of the surrounding air to rise high into the atmosphere, disrupting air traffic and causing regional ash fall. Alternatively, collapsed plumes produce dangerous fast-moving lateral flows of hot ash and gas. The transition between these beha...

2005
Kevin T. McCarthy Thomas Pichler Roy E. Price

The Champagne Hot Springs (CHS) shallow submarine hydrothermal system is located along the submerged flank of the Plat Pays volcanic system on the southwest section of the island of Dominica, Lesser Antilles. We have conducted a detailed geochemical study of the hydrothermal system, with the objectives to investigate the source of the hydrothermal fluids and gases, their effect on sediment and ...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2005
Nae Yoon Lee Masumi Yamada Minoru Seki

An improved method of sample injection was demonstrated for introducing ultra-low volume liquid on a microfabricated device. In our previous study, a pressure-driven injection method has been introduced and was applied to on-chip electrophoresis. In this study, the need for control of the air vent, which was indispensable for sample injection in the previous study, was completely eliminated, fa...

Journal: :Journal of the American Audiology Society 1977
G A Studebaker R M Cox

The purpose of the project was to demonstrate and explain the acoustic effects of side branch and parallel vents in individual real ears. It was shown that parallel and side branch vents produce similar low frequency filtering effects and vent-associated reactance resonances. However, when the input system incorporates a side branch vent the sound pressure produced in the ear canal at frequenci...

2017
Hans-Uwe Dahms Li-Chun Tseng Jiang-Shiou Hwang

Hydrothermal vent organisms are adapted to their extreme and patchily distributed habitats. They are expected to have evolved mechanisms that keep them in their specific habitation. Since little is known about the recruitment or habitat selection of HV organisms such as brachyurans, we examined the properties of several hydrothermal vent-associated cues on the behavior of the hydrothermal vent ...

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