Sentences with phrase «light use efficiency»

«The biofeedback system successfully maintained a wide range of ETR values in different species, while it also is capable of distinguishing between conversion of light into heat and damage to the photosynthetic machinery as causes for decreases in light use efficiency,» the authors said.
As the target ETR was decreased during the last 7 hours, conversion of light into heat decreased greatly in lettuce and pothos, with only a small increase in light use efficiency.
«This suggests that the light use efficiency of lettuce and pothos was limited by a process other than conversion into heat, likely light - induced damage to the photosynthetic machinery in the leaves,» the authors noted.
In addition, conversion of light energy into heat (a common way for plants to deal with excess light) was upregulated, while the light use efficiency decreased.

Not exact matches

Buildings utilize sensors and / or timers on lights, low voltage and LED lighting, high efficiency bulbs / tubes and electronic ballasts to limit energy use.
Among the environmental and sustainable practices at Saranac is the use of geothermal heating and cooling in the warehouse and upgrading the electrical systems and the lighting in the facility for greater efficiency.
It uses two halogen light sources per module and combines it with a rotating polygon allowing for maximum light efficiency.
The milk for the plant is transported using lighter tanker trucks for better mileage and energy and cost efficiency.
Additional features include LCD screen; lit, digital display can also be used as a nightlight for those late pumping sessions, memory button which allows mom to save her favorite pumping pattern for ease and efficiency for the next pumping session, and a cute tote bag to hold pumping essentials and more.
The upgrade and expansion improved accessibility to the club and courts, included a new entrance and lounge area, new locker rooms, enhanced energy efficiency with new HVAC and lighting, as well as now offers a co-ed sauna, and a large activity room for exciting new programs and rental use.
The governor's office maintains that the overall bridge lighting project, and other energy efficiency projects, will be a net energy use reduction for the MTA.
I suggest the people using electricity from Indian point might turn off some lights and their electric toothbrushes and hair dryers... We all need to take conservation and efficiency seriously!
Now, in a first - of - its kind study funded by IBM and the National Science Foundation, Virginia Tech researchers have discovered ways to further improve computing efficiency using management tools for cloud - based light - weight virtual machine replacements called containers — frameworks that allow the microservices that power data retrieval from the ether — to deploy in a more agile manner.
For making high - efficiency use of solar energy, it was necessary to develop a photocatalyst that can utilize longer wavelength light.
Bao said photocatalytic water - splitting experiments have been tried since the 1970s, but this was the first to use cobalt oxide and the first to use neutral water under visible light at a high energy conversion efficiency without co-catalysts or sacrificial chemicals.
Optic phonons, or crystal vibrations that can be excited with infrared light, can also be used to confine light to dimensions much smaller than the wavelength of light, while maintaining record - high efficiencies.
There are some 50 modular designs being developed globally, and while many are traditional light water reactors, which use water to cool the reactor core, others gain efficiency by using coolants such as gas, which allow reactors to reach higher temperatures.
Lee and his team used computer simulations to demonstrate that high extraction efficiency is obtained when a waveguide (a light - carrying submicrometer - wide semiconductor strip) is directly connected to the side of the laser.
It uses pure light, reflecting off the sail, so you want a large area to collect a lot of photons and you want it highly reflective so you get a high efficiency of them bouncing off.
For using the advantages of light, i.e. speed and energy efficiency, also on the small scale of computer chips, researchers of KIT have made an important step from fundamental research towards application.
Chinese studies on energy efficiency are making great strides, he adds, saying that their work on using windows to light indoor areas «is ahead of our efforts.»
While some of today's solar cells use a blend of cadmium and tellurium to convert light into electricity, adding the optimum amount of selenium in the right places could help increase efficiency from the current mark of about 22 percent to levels approaching the theoretical limit of 30 - 33 percent.
«We can dramatically improve fuel efficiency by making our cars lighter, including the greater use [of] carbon fiber, which is also stronger than metal.
The efficiency of solar cells depends on trapping and absorbing light and can be increased by using a back reflector: a mirror behind the solar cell material that reflects light that was not absorbed and leads it back into the solar cell.
Light degradation is a harmful effect that reduces the solar cell efficiency by several percentage units during the first 24 hours of use, after which the situation becomes stabilised.
Through clever molecular design, these TADF materials can convert nearly all of the electrical charges to light without the expensive metal used in phosphorescent materials, making both high efficiency and low cost possible.
Made from cheap, abundant components, these cells use a titanium dioxide dye to turn 11 percent of incoming light into electricity — close to the efficiency of standard solar cells used by homeowners today as shown in the photo.
That's because the gas can be used to make several of the layers in a silicon photovoltaic — from the top of the cell where it is used to deposit a layer of silicon nitride that ensures that all sunlight is absorbed, to the bottom where it can be used to deposit another layer that helps reflect back any missed photons of sunlight, boosting the efficiency of the cell at converting light into electricity.
Using infra - red gas analysers connected to a miniature controlled environment chamber, Dr Samuel Taylor and Professor Steve Long, at the Lancaster Environment Centre (LEC) simulated a sudden increase in sunlight following shade, and measured the time it took for the plant to regain its maximum photosynthesis efficiency and take full advantage of the extra energy from light.
By using lasers, satellite optical communication has a readily - available frequency band and can transmit with higher power efficiency and with smaller and lighter terminals.
LCLS can use micron size crystals and therefore have an unmatched light initiation efficiency to explore uncharted territory in the dimension of time resolution of molecular reactions,» Raimund Fromme stated, an ASU associate research professor participating in this project.
The new light source could be further used to investigate how the quantum efficiency varies with wavelength, since it is easy to vary the wavelength of the generated single photons.
To do this, the first step was to optimize the production process of cells based on different polymers, in order to achieve the maximum efficiency of these materials; secondly, polymers that absorb light at different wavelengths have been used to produce cells with a tandem structure in order to make them more efficient.
Contact: 508-289-7139; [email protected] WOODS HOLE, Mass. — Using a simple «mirror trick» and not - so - simple computational analysis, scientists affiliated with the Marine Biological Laboratory (MBL) have considerably improved the speed, efficiency, and resolution of a light - sheet microscope, with broad applications for enhanced imaging of live cells and embryos.
The Obama administration made a concerted effort to transform the U.S. transportation system with battery startups, regulations that ramp up the use of cellulosic ethanol and other biofuels, and a near doubling of fuel efficiency requirements for light - duty cars and trucks.
Square mile to benefit from innovative proposals to improve energy efficiency, boost LED use, and tackle light pollution
The recent JCAP paper published in Nature Communications introduces a transcendent approach to understanding PEC device performance for arbitrary material and device quality, using five representative parameters: semiconductor absorption fraction, external radiative efficiency, series resistance, shunt resistance and catalytic exchange current density to account for imperfect light absorption, charge transport and catalysis.
Using a modular provider with high energy efficiency credentials, can slash the day - to - day running costs, while adding in features like sun pipes, intelligent lighting and solar panels will not only save money but can be designed to be energy cost neutral.
Initiatives to use LED lighting in schools can help increase efficiency.
Watts in itself mean little as it is the amount of energy required to emit a certain amount of light and now that there are different choices from the old plain household incandescent bulb, efficiency has increased so the energy used is less related to the light produced.
The aluminum alloy body uses military grade high - strength aluminum, resulting in a lighter overall weight for efficiency.
Similarly, radiator shutters open up under high temperature hauling conditions and close down under light use to boost the truck's aero efficiency.
Helped by advances in construction processes and material use made as part of the Audi ultra efficiency programme, the successor to the original RS 3 Sportback weighs in 55 kg lighter, tipping the scales at 1,520 kg (without driver), despite additional equipment and safety features.
Like the S 500 Cabrio, the S 63 AMG Cabrio uses the Airmatic suspension with adaptive damping system ADS Plus.In case of S 63 AMG Cabrio, the suspension can be raised with 30 mm on poor surfaces an the chassis is lowered again automatically in Sport mode and from a speed of 120 km / h in Controlled Efficiency mode.The S 63 AMG cabrio is equipped with 19 inch forged AMG light - alloy wheels as standard while the high - performance composite brakes, with 20 % lighter than the conventional system is in option.
Production commenced of the FD21A rear differential; The differential, without a side retainer and side gear shaft, and using low - viscosity oil and a conical spring, is light, with improved efficiency and handling stability
Rotocast A356T6 aluminum cylinder heads that are stronger and handle heat better than conventional heads Lightweight titanium intake valves and machined connecting rods for reduced reciprocating mass High 10.0:1 compression ratio — for a forced - induction engine — enhances performance and efficiency and is enabled by direct injection Forged aluminum pistons with unique, stronger structure to ensure strength under high cylinder pressures Stainless steel exhaust headers and an aluminum balancer that are lighter than their LT1 counterparts Standard dry - sump oiling system with larger cooler capacity than Z51; used with dual - pressure - control oil pump.
Aiding the new Suzuki's efficiency is an engine with lighter crankshaft, pistons and con - rods, more extensive use of high - tensile steel in its body (which is claimed to be 25 per cent more torsionally rigid) and a smoother roofline and under - floor covers, reducing aerodynamic drag from 0.40 to 0.33 Cd.
The V6 engine uses an alloy block and cylinder heads for lighter weight and thermal efficiency and features durable, quiet timing chains with no scheduled maintenance.
Engine efficiency improvements result from the use of lower friction, lighter - weight components and a new engine management system, while twin, low inertia turbochargers with minimal turbo lag contribute to the W12 engine's flat torque curve.
Amazon says the efficiency comes from the efficient new panel it's using — not unlike Sharp's Igzo displays — that lets more light through the pixels, even at high densities.
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