Sentences with phrase «high kelvin»

Besides, yes high Kelvin are bluish, but I'd want to buy some 4300K ones (white / yellow)- which have the maximum output as I read.
The high Kelvin cool white LEDs lend a blue look to the lighting, but your plants are getting a full dose of awesome visible light from the other LEDs!
In today's article several people complained about the color of cfl lamps — you might have addressed the subject of color in kelvin units (warmer light — lower kelvin; cooler light — higher kelvin).
The higher the Kelvin number, the cooler the light.
A lower kelvin temperature means the light will be warmer, or slightly yellowish, while higher kelvin temperatures mean a cooler colour of light that's slightly bluish.

Not exact matches

Observation of a Kelvin - Helmholtz Instability in a High - Energy - Density Plasma on the Omega Laser
Measurements of turbulent mixing due to Kelvin - Helmholtz instability in high - energy - density plasmas
Argon gas is blown into the vacuum chamber, where radio waves heat the gas to 1 million or 2 million kelvins — an advantage since higher temperatures lead to greater efficiency.
This material has been known for about thirty years as a high - temperature superconductor of Tc of nearly 30 Kelvin with p - type doping.
Their error is slightly higher, at 1.24 ppm, but the kelvin can't be redefined until the discrepancy is understood.
These nearly massless elementary particles are abundantly produced in the interior of the new - born neutron star, where the density is higher than in atomic nuclei and the temperature can reach 500 billion degrees Kelvin.
For solid vessels, the highest melting point recorded is for tantalum hafnium carbide, which has a potential melting point of 4263 kelvin.
That was when we discovered the high temperature superconductors, which abruptly stop resisting below roughly 100 kelvin (which is -170 °C: the term «high temperature» is a relative one).
One leading candidate material for such magnets is niobium tin, which can withstand higher fields but is expensive and must be cooled below 18 kelvin.
In fact, says physicist Ivan Schuller, also of University of California, San Diego, these are the highest temperature naturally occurring superconductors known — although they still have to be superchilled to about 5 kelvins -LRB--- 268.15 ° C) to work.
Unlike superconducting metal alloys, which must remain within a few degrees of absolute zero in order to display their resistance - free electron flow, high - Tc superconductors can operate at temperatures around 77 kelvins.
Right now the materials show at least some reduction in resistance at temperatures as high as 100 Kelvin — in the realm of the best high - temperature superconductors.
Previous studies have shown that crystals of buckyballs — carbon spheres officially known as fullerenes — can superconduct at temperatures as high as 52 kelvin.
The aim of firing this massive bank of laser beams would be to either heat a chamber sufficiently high — about 1029 degrees Kelvin — to create a false vacuum inside or compress a pair of spherical plates to within the Planck distance of each other, creating negative energy via the Casimir effect.
The new method uses shock waves to heat the metals to extremely high temperatures — 2,000 degrees Kelvin (more than 3,140 Fahrenheit) and higher — at exceptionally rapid rates, both heating and cooling them in the span of milliseconds.
The way electrons leak between the two copper oxides spontaneously creates a superconducting layer somewhere within the stack, able to operate at the relatively high temperature of 32 kelvin -LRB--241 °C)-- most superconductors work at even lower temperatures.
The samples are heated under pressure to high temperatures of the core (about 4000 kelvins and higher) by being irradiated by a laser through diamonds.
The kelvin is currently defined according to the property of water in a certain state — a fact that makes precise measurements at very high or low temperatures impossible.
The planet is extremely close to its star — its orbital radius is only about three times the radius of the star — and the scientists have estimated that its surface temperatures may be as high as 3,000 degrees Kelvin, or more than 5,000 degrees Fahrenheit.
That temperature is high enough that the coolant can be liquid nitrogen — a preferable alternative to the far more costly and short - lived liquid helium that is needed to supercool classical superconductors down to four kelvins.
Leong's study showed the perovskite cells still worked at higher temperatures, with performance peaking at around 330 Kelvin — or 57 degrees Celsius — and then declining slightly after that, meaning their performance will be high even on a relatively hot rooftop.
In August 2015, hydrogen took the superconductor world by storm with the discovery that sulfur hydride exhibits high - temperature (203 kelvin) superconductivity when subjected to high pressures.
The two planets are members of a large class of extrasolar planets known as «hot Jupiters» because they are gaseous like Jupiter but orbit closely to their stars, giving them high temperatures of 1,000 to 2,000 kelvins.
April 4, 2018 - The new method uses shock waves to heat the metals to extremely high temperatures — 2,000 degrees Kelvin (more than 3,140 Fahrenheit) and higher — at exceptionally rapid rates, both heating and cooling them in the span of milliseconds.
A ceramic - based mechanical pump able to operate at record temperatures of more than 1,400 degrees Celsius (1,673 Kelvin) can transfer high temperature liquids such as molten tin, enabling a...
The 32 T superconducting system is made from two primary sections, an outsert section delivering 15 Tesla in a 250 mm wide bore magnet developed by Oxford Instruments Nanoscience (OINS) using advanced Low Temperature Superconductor (LTS) materials operating at 4.2 Kelvin and an insert section delivering 17 Tesla in 34 mm cold bore developed by our colleagues at NHMFL using advanced High Temperature Superconductor (HTS) materials manufactured by Superpower Inc..
The temperatures on Pluto range from 43 Kelvin (minus 382 Fahrenheit) in the coldest regions, to possibly as high as 60 Kelvin (minus 352 F) in the warmest.
The results suggest that the material might outperform graphene in certain applications, as it would be mechanically stable, possess very high strength, and be capable of withstanding temperatures of up to 1,000 degrees Kelvin.
Kelvin King, Jr is the owner of Creative Athletic Movements, and serves as a High School Strength and Conditioning coach and consultant.
Over and over again, students at Marjory Stoneman Douglas High School reported Cruz's terrifying behavior to school administrators, including Kelvin Greenleaf, «security specialist,» and Peter Mahmood, head of JROTC.
It is also laughable that you think these are «higher temperatures» — this is the Kelvin scale remember, which you may not know because of your apparent limited experience with thermal physics.
Duvel, P. Maury, J. Scinocca, S. Watanabe, S. Yukimoto, 2014: Kelvin and Rossby gravity wave packets in the lower stratosphere of some high - top CMIP5 models, J. Geophys.
Averaged out over a year, temperatures in greater urban areas, cities and megacities all across the world are now one to two Kelvin higher than in the surrounding rural areas.
Kelvin waves are known to have very high speeds, typically around 2 — 3 meters per second.
I don't believe the former happens because I believe the temperature at which black body radiation peaks in the visible is much higher than the temperature of the earth (approximately 300 Kelvins).
This higher rate of transfer of heat to the surface maintained the surface at a high temperature vastly longer than Kelvin calculated.
Worse, every rise in atmospheric temperature is taken by AGW «science» to indicate warming, when in many cases, it merely is a sign that additional heat is exposed to the 4 degree Kelvin temperature of outer space, resulting in higher radiative losses.
The temperature climbs much higher (than on Earth) so long as the lunar surface is basking in the sun, and drops much lower while the back radiation from outer space is only at 4 kelvins.
Suffice to say that if «all objects that have a temperature higher than 0 Kelvin (K) must emit thermal radiation --(Basic Stuff)-.
Kelvin is an experienced litigation Lawyer and Solicitor - Advocate (Higher Courts Civil Proceedings) and in addition has a niche expertise and understanding of the insurance sector.
Kelvin is recognised in Chambers (2017), who state that he has a very strong reputation for his work defending complex and high - value personal injury claims - with clients describing him as «very thorough, dedicated and knowledgeable.»
Westar engineers cited a study by the Northwest Energy Efficiency Alliance that indicated 4,000 Kelvin LEDs provide the highest detection distance for drivers and pedestrians.
Kelvin also regularly appears in the High Court and the Court of Appeal in Singapore.
All this is measured in terms of the bulb's Kelvin temperature,» says architect Robert Fornataro, senior associate with SWBR in Rochester, N.Y. Up until recently, these lights have been used mostly in commercial settings due to their high costs.
RECO's Kelvin Kucey, deputy registrar of regulatory compliance, along with compliance supervisors Larry Twells and Glen Thomas shared how RECO is enhancing its complaints process and emphasized the importance of a professional conduct up to the highest ethical standards while serving consumers.
a b c d e f g h i j k l m n o p q r s t u v w x y z