convection

Convection Cooled 150-Watt Open Frame Power Supply Meets Medical and Industrial Safety Standards

...ies. Maintaining the company's commitment to premium design, both the MSA150 and FSA150 series feature 150 watts of continuous output power with convection cooling which rises to 180 watts of continuous output power with just 100 LFM of forced air. This high-reliability series offers active power factor c...

Elpac Power System 150-Watt Commercial External Power Supply Features Industry-Leading Efficiency and Power Density

...-3-2, -3 and single outputs of 12, 15, 18, or 24 VDC. It is offered in a compact frame of 191.98 x 62.16 x 38.65mm (7.56 x 2.45 x 1.52 inches) that is convection cooled and needs no internal fan. This unit also includes over-temperature, over-voltage, and over-current protection as standard features with maximu...

EarthCARE satellite contract signed

...ls, as well as the radiances at the top of the atmosphere. Aerosols control cloud properties, while clouds control the production of precipitation and convection influences stratospheric humidity. The observations of EarthCARE will therefore lead to more reliable climate predictions and better weather forecasts...

A Novel Method For Measuring Interstitial Fluid Pressure In Cancer Tissues

...y anticancer drugs and antibodies used for treating patients with cancer are transported from the circulatory system through the interstitial space by convection (i.e. by streaming of a flowing fluid) rather than by diffusion. Increased tumor IFP causes inefficient uptake of therapeutic agents by decreasing con...

convection in Medical Technology

Michael J. Fox Foundation Awards $2.1 Million to Improve Drug Delivery in Parkinson's Disease

...Funded Grants . Image-guided Gene Delivery for Parkinson's Krysztof Bankiewicz, M.D., Ph.D., University of California, San Francisco convection Enhanced Delivery to Study the Pathophysiology Underlying the Clinical Features of Human Parkinson's Disease Jeff Elias, M.D., University of Virg...

convection in Medical Products

Innova CO-48 Personal-Sized Direct Heat CO2 Incubator, for on-or-under bench

Description:...ovides even temperature, dry walls, and a lighter-weight incubator with greater internal storage capacity than air or water-jacketed designs. Fanless, convection air circulation optimizes culture conditions and minimizes contamination risk. Integral viewing window means cultures need not be disturbed. HEPA filt...
Company:New Brunswick Scientific Co., Inc.

Economical CO-150, Direct Heat CO2 Incubator

Description:...erate-sized CO2 incubator with microprocessor-controlled 6-sided heating. Heated outer door with glass inner door, HEPA filtered CO2 inlet and fanless convection heating minimize sample exposure. Simple, large character temperature and % CO2 display. Accurate IR CO2 sensing and mulitple temperature monitors ens...
Company:New Brunswick Scientific Co., Inc.

Innova CO-170 Direct Heat CO2 Incubator.

Description:...h greater internal storage capacity than air or water-jacketed designs. HEPA filtered CO2 inlet, heated outer door with glass inner door, and fanless, convection air circulation optimize culture conditions and minimize contamination risk. Accurate IR CO2 sensing with automatic baseline reset simplifies maintena...
Company:New Brunswick Scientific Co., Inc.

Thelco general purpose incubators 6DG

Description:...perature setpoint selection, an easy-to-read digital display, and built-in over-temperature protection. Equally important, the specially balanced heat convection patterns combine to provide chamber uniformity as precise as 0.25C....
Company:Precision Medical, Inc.

Thelco general purpose incubators 5DG

Description:...perature setpoint selection, an easy-to-read digital display, and built-in over-temperature protection. Equally important, the specially balanced heat convection patterns combine to provide chamber uniformity as precise as 0.25C....
Company:Precision Medical, Inc.

Thelco general purpose incubators 3DG

Description:...perature setpoint selection, an easy-to-read digital display, and built-in over-temperature protection. Equally important, the specially balanced heat convection patterns combine to provide chamber uniformity as precise as 0.25C....
Company:Precision Medical, Inc.

Thelco general purpose incubators 2DG

Description:...perature setpoint selection, an easy-to-read digital display, and built-in over-temperature protection. Equally important, the specially balanced heat convection patterns combine to provide chamber uniformity as precise as 0.25C....
Company:Precision Medical, Inc.

convection in Biological News

AGU journal highlights -- Aug. 6, 2009

...mical lifetimes of 25 days or longer will have significant concentrations in the stratosphere and will be governed by vertical advection. By contrast, convection cycles govern the distribution of compounds with lifetimes of less than 25 days. This fundamental difference will help scientists understand the mecha...

Extraterrestrial platinum was 'stirred' into the Earth

...or the first time been able to put a time scale on the planet's large-scale convection processes. The research is reported in a Nature paper titled "Progressi...ayer of meteorite debris rich in platinum." With time through large-scale convection processes, which now cause plate tectonics, this material was stirred down ...

NASA study says climate adds fuel to Asian wildfire emissions

...ge weather patterns around the world every few years and cause cooler water temperatures in the western Pacific near equatorial Asia that suppress the convection necessary for rainfall. Previously, scientists have used measurements from NASA's Tropical Rainfall Measurement Mission satellite to correlate rainfal...

February 2009 Geology and GSA Today media highlights

...e event. More generally, they suggest that intrusion and deep degassing may explain the high gas fluxes at some other open-vent volcanoes, rather than convection of magma in the uppermost parts of subvolcanic conduits. Anthropogenic Pb in recent hydrothermal sediments from the Tyrrhenian Sea: Implications...

The continents as a heat blanket

...ates and the superimposed continents is not only powered by the heat-driven convection processes in the Earth's mantle, but rather retroacts on this internal driv...due to heat accumulation which in turn leads to a reorganoization of mantle convection with the pieces ultimately joining again to form a large super-continent. ...

New holographic method could be used for lab-on-a-chip technologies

...erties. The electric field applied to the plates acts on these altered properties, causing the heated sample to circulate, much like heated air causes convection currents in the atmosphere, producing a donut-shaped "microfluidic vortex" of circulating liquid between the two plates. This vortex enables the re...

AGU journal highlights: Nov. 11, 2008

...P), following the second law of thermodynamics, has been suggested as a self-organizing mechanism for many phenomena, including atmospheric and mantle convection and the self-organization of sand grains by loading in sandpiles. Noting that natural seismicity in the Earth's crust is produced by stationary loadin...

Veterinary college researcher studying brain tumors in people and animals

...for managing these tumors. Another portion of the work is focused on the development of powerful new cancer treatments. Through a process known as convection enhanced delivery (CED), the researchers are removing the diseased tissues and testing the application of a proprietary experimental compound. This ag...

AGU journal highlights -- Feb. 26, 2008

... several days, beginning in early July. Data from the Sierra Madre Occidental foothills reveal a dynamical transition in mid-August from smaller local convection patterns to larger, more regional scales. During the small-scale phase, a positive feedback helps precipitation-supplied moisture to initiate more moi...

Climate change could diminish drinking water more than expected

...underground structures. The simulation showed that, the more layers a coastline has, the more the saltwater and fresh water mix. The mixing causes convection -- similar to the currents that stir water in the open sea. Between the incoming saltwater and the inland fresh water, a pool of brackish water forms....

convection in Biological Technology

New Flexible Vacuum Controller from Varian, Inc. is Expandable and Easy to Use

...ode high vacuum gauges (including UHV), as well as convection roughing gauges. For both data logging and control...owing users to simultaneously operate up to twelve convection type gauges or up to four hot filament or cold cathode gauges combined with four convection gauges in one unit. A programmable dot matrix LC...

Fluid theory confirmed by Foton

...ase the temperature at the bottom of a thin liquid layer, though not quite enough to cause convection. Alternatively, by heating the fluid from above, convection is suppressed, making it possible to achieve more accurate measurements. Although the early research involved ground-based measurements, it was su...

Tech center supports energy-saving device for heat-treating plants

...ters that are typically used in metal heat-treating furnaces. According to the company, the twisted design of the product produces non-turbulent, high convection flow resulting in the highest possible rate of uniform heat transfer. It says Spyrocor can reduce heat loss and the energy demands of the process by 1...

convection in Biological Products

Hybridization chamber with forced convection BFD 53 from BINDER

Description: BFD Series Hybridization chambers with forced convection Temperature range 5 C / 9 F above ambient up to 99.9 C / 212 F Patented APT.line preheating chamber assuring temperature accuracy and reproducible results DS controller Timer 0 to 24 h Digital temperature setting with an accuracy of a t...
Company:BINDER

convection in Biological Definition

Thermoregulation

...e observers in the optic thalamus. Heat gains and losses in animals conduction - heat escapes from your body when you sit on a cold rock. convection - cooler air currents remove heat from the surface of your skin. evaporation - evaporative cooling occurs when water (often from perspiration) l...

convection in Biological Dictionary

Mantle

..., region of the interior of the earth that lies between the outer crust and the core. ... Mantle (geology) - Wikipedia, the free encyclopedia ... convection in the Earth's mantle is driven by cooling from the surface, not heating from below, and is unlikely to involve thermal plumes from the deep mantle...