Search: Science-Solar Radiation Receipt

Number of results: 48,561

Science-Solar Radiation Receipt
Why would the seasonal range (summer-Winter) in solar receipt be greater at 61 degrees North than at 40 degrees North?
Monday, February 23, 2009 at 12:31pm by Mia

Science-Solar Radiation Receipt
Hopefully, you will find something here: http://www.google.com/search?q=seasonal+range+in+solar+receipt&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a Sra
Monday, February 23, 2009 at 12:31pm by SraJMcGin

5th grade science
In order to study the effects of solar radiation on the Earth system, it is necessary to determine the amount of energy reaching the Earth's atmosphere & surface. Once the surface irradiance of the Sun is determined the amount of energy reaching the top of the Earth&#...
Wednesday, November 12, 2008 at 5:38pm by Emma Leigh

college chemistry
A green leaf has a surface area of 2.40 cm^2. If solar radiation is 1120 W/m^2, how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.
Thursday, November 12, 2009 at 6:31pm by Eddie

Physics
Solar heating takes advantage of solar collectors such as the type shown in the figure . During daylight hours, the average intensity of solar radiation at the top of the atmosphere is about 1400 W/m^2. About 50% of this radiation reaches the Earth during daylight hours. (The ...
Saturday, May 7, 2011 at 10:52pm by Alice

math
Hi, Nearly all of the energy used on earth comes originally from the sun, and that solar radiation is intercepted at 1370 Wm^-^2 at the top of the atomsphere, and that 49%of this radiation is absorbed by the earths surface. If a shallow dish containing ice or warte, placed on ...
Friday, December 5, 2008 at 4:14pm by carl

Science
Solar radiation is the biggest single determinate of weather patterns.
Tuesday, January 26, 2010 at 7:14pm by bobpursley

chemistry
Calculate the energy of a photon of electromagnetic radiation at each of the following wavelengths.503 nm(wavelength of maximum solar radiation) i need help please!
Friday, January 25, 2013 at 6:40am by savannah

physics
This refers to passive solar collector, where solar radiation is used to heat water. It is therefore not on the solar cells. What characteristics should solar collectors have, to function in an optimal way? Why should these properties be fulfilled? If there is a water flow of...
Thursday, December 9, 2010 at 3:22am by bark

EARTH SCIENCE
Some factors that might influence solar radiation on the Martian surface
Sunday, July 18, 2010 at 7:27pm by Anonymous

Science
All objects emit _____ radiation. A.electromagnetic B.kinetic C.thermal D.solar I think it is A...?
Monday, April 8, 2013 at 12:21pm by Cassie

physics
You need to look up the solar radiation at that location. Then, look to see how many hours of radiation is supported. In june, one probably can get about 6 hours of effective radiation, but you will find tables for this. No, not 24 hours, you cant get radiation during the ...
Saturday, December 4, 2010 at 2:19pm by bobpursley

Science
You have been commissioned to design a stand]alone solar PV system (solar panels + battery array) for a 1000ft2 occupied between May through October, off]line cottage located near Corpus Cristi, Texas. The PV array should supply the daily average requirement of 7....
Wednesday, April 15, 2009 at 2:27pm by Sarah

Science(URGENT)
Most spacecrace use solar radiation to power batterys which run all the electronics.
Wednesday, December 15, 2010 at 9:06pm by bobpursley

Earth Science
What causes the intensity and duration of solar radiation received at any place to vary throughout the year?
Saturday, October 30, 2010 at 8:53am by Anon

Science
how do the wavelengths of radiant energy vary with the temperature of the radiating source? How does this affect solar and terrestrial radiation?
Thursday, September 17, 2009 at 7:27pm by Jordan

geography
why is the difference in solar receipt between 60N and 30N greater in the winter than in the summer?
Tuesday, October 5, 2010 at 12:27am by TC

science
a material that reduces the flow of heat by conduction, convection, and radiation is a. a solar collector b. a conductor c. and insulator, or d. condensation
Wednesday, January 28, 2009 at 5:37pm by delane

Science-Weather
which statement best explain wy the greenhouse effect incrases earth's average temperature? a. CO2 has a high latent heat b. less infrared raditon escapes to outer space. c. More incoming solar radation is aborbed by the atmosphere. d. less incoming solar radiation is ...
Monday, January 12, 2009 at 5:18pm by Twilight lover

Science
What would happen to the amounts of solar radiation reflected and absorbed if a large aount of light colored dust was added to the air
Saturday, September 17, 2011 at 11:19am by Chandler

Science (weather & climate) -
I just wanted to post this question once more. I have to go offline soon. Please go over my answers. Thanks True or false: 7.Eruptions fom volcanoes decrease global temperatures. I answered false because volcanes spew out CO2 into the atmophere. The 16._________-sphere affects...
Sunday, January 11, 2009 at 7:42pm by Twilight lover

science
The atmosphere (especially clouds) scatters and absorbs solar radiation, reducing the amount that reaches the surface of the Earth by about 50%, on the average.
Wednesday, September 9, 2009 at 11:59pm by drwls

Physics
For the particle nature of light?: Hereare a few more: Stimulated emission (lasers) The long-wavelength cutoff of solar cells The Planck blackbody radiation law Electron-positron recombination (gamma) radiation K-capture radioactivity
Monday, April 14, 2008 at 10:57pm by drwls

chemistry
Which of the following statements about UV radiation is/are FALSE? (Select all that apply). ? a. UV B radiation covers a longer wavelength spectrum than UV A radiation. b. UV B radiation has sufficient energy to break any covalent bond. c. UV B radiation covers a frequency ...
Sunday, September 21, 2008 at 9:14pm by Jasmine

PHYSICS
Consider a one layer atmosphere for the planet Venus. 19% of incoming solar radiation is absorbed by the atmosphere. 99% of the outgoing radiation is absorbed by the atmosphere. The incoming radiation, E, as measured by satellite is 615 Wm-2. 1) Derive two equations, one for ...
Sunday, January 24, 2010 at 12:27pm by Bubbles

Physics
You need to know the radiation pressure due to solar radiation. This varies with (1/R^2), but so does the gravity force. The solar flux at the Earth's distance from the sun is about I = 1300 W/m^2, as I recall. You'd better look it up yourself. Divide that by c for the...
Friday, March 11, 2011 at 3:03pm by drwls

Biology
33. Nearly all antibiotics are made from fungi. Nitrogen fixing is made by bacteria in roots. Answer c is true. 11, the question I have been gritting my teeth over, and avoiding your post because of it. Solar energy trapped? Grrrr. Solar energy in the atmosphere is stored ...
Tuesday, February 23, 2010 at 11:27am by bobpursley

science 3 questions!!
2. A device that can be used both for cooling and heating is a _____. (1 point) heat engine compressor heat pump vaporizer 3. All objects emit _____ radiation. (1 point) electromagnetic kinetic thermal solar 4. Fast food restaurants keep food hot with infrared lamps. The heat ...
Tuesday, April 9, 2013 at 8:07pm by jessie

Science
Does infrared radiation or ultraviolet radiation have wavelengths that are shorter than visible light? My answer is ultraviolet radiation. I am really sure about this one. Am I correct?
Friday, September 10, 2010 at 11:44pm by Reed

Science Sorry I just need help one more time!
Ok I am doing a project in science on radiation. I have to make a brochure. I need help answering these questions about radiation. Or some good sites would be nice too. I looked on google but they didnt really help. Thank you! Where does radiation come from? When is it ...
Thursday, January 15, 2009 at 2:14pm by Amy

physics
1) A fask has the following features; a plastic stopper glass walls with silver coating on both sides vacuume between walls plasic spacer Which features of the flask reduce energy transfer by: a) radiation b) conduction c) convection 2) Many vacuume flasks have steel walls ...
Thursday, November 17, 2011 at 1:30pm by lissa

to ms.sue- science project part 1
Please select one of the four solar-energy-based topics listed below to research. Based on your research you are to create a poster that details what you learned. Please make a bibliography of the resources that you used for your information, to go along with your poster. ...
Thursday, June 21, 2012 at 11:19am by Celest

Science
You can think of comet as "dirty snowballs" that come from the outer regions of the solar system in highly eliptical orbits. Many only come once; others (like Halley's) return after many decades. As they approach the sun, some of the ice, other volatile chemicals...
Saturday, February 25, 2012 at 3:50am by drwls

physics
Human skin (choose all that apply) 1. emits radiation well. 2. absorbs radiation well. 3. does not emit radiation well. 4. does not absorb radiation well. 5. has an emissivity of 0.
Tuesday, October 4, 2011 at 12:29am by ice cream

college physics
Human skin (choose all that apply) 1. emits radiation well. 2. absorbs radiation well. 3. does not emit radiation well. 4. does not absorb radiation well. 5. has an emissivity of 0.
Tuesday, October 4, 2011 at 12:36am by ice cream

PHYSICS-radiation
Four billion years ago the Sun’s radiative output was 30% less than it is today. (i) If we assume the radius of the sun is the same, and that the Earth’s atmosphere was the same as it is now (that is, the atmosphere absorbs 10% of the incoming solar radiation and 80...
Sunday, January 24, 2010 at 11:57pm by RANI

help Fast ( physics)
a 0.5 m^2 solar collector radiation from the sun and focuses it on 250g of water that is inially at 23 degrees . the average intensity of radiation arriving from the sun at this location is 550 Wm^-2. if you assume that this is collected with 100% efficiency. how much time is ...
Wednesday, April 27, 2011 at 12:44pm by H.T

Geography
Geothermal energy is energy that comes from the earth’s inner heat. This type of energy is used in areas with volcanic activity; Iceland, Italy, Japan, and New Zealand all make use of geothermal energy. The last type of energy, solar energy, is energy produced by the sun...
Wednesday, August 26, 2009 at 6:04pm by mysterychicken

Biology
_____________provided significant sources of energy on early Earth, and were most likely involved in the origin of life. Options A) Volcanic activity, violent thunderstorms, and ultraviolent radiation B) Bombardment from meteorites, gamma radiation, and osmic radiation. C) ...
Wednesday, August 29, 2007 at 10:43pm by Sabrina

physics
I'm fairly certain it's D i'll explain my reasons again - hope fully better :) Ok, my example is going to be UV radiation from the sun. a. it transfers energy to objects in the path of the electromagnetic waves When you are outside in the sun UV radiation is, for ...
Saturday, March 14, 2009 at 10:57am by GanonTEK

help help 9 physics) i need an aswer fast!
a 0.5 m^2 solar collector radiation from the sun and focuses it on 250g of water that is inially at 23 degrees . the average intensity of radiation arriving from the sun at this location is 550 Wm^-2. if you assume that this is collected with 100% efficiency. how much time is ...
Thursday, April 28, 2011 at 7:52am by H.T

Science Sorry I just need help one more time!
Your "what is it" discussion is fine if you are just talking about electromagnetic radiation. When you talk about radioactivity, some kinds of particles are also called "radiation". These are alpha particles (helium nuclei), beta particles (electrons and ...
Thursday, January 15, 2009 at 2:14pm by drwls

chemistry
Excited lithium atoms emit radiation at 670.8nm. a. calculate the frequency of this radiation. b. calculate the energy (in eV) of this radiation. c. What color is this radiation?
Saturday, January 22, 2011 at 11:39am by Maria

Science
Need help on this multiple choice question, thanks! Microscopic airborne particulates that reflect incoming solar radiation and thereby tend to cool the atmosphere are called: a. CFCs b. aerosols c. greenhouse gases d. indoor air pollutants e. hazardous air pollutants Thanks ...
Thursday, November 12, 2009 at 9:41pm by Bobby

science
infrared radiation and some visible radiation.
Tuesday, October 13, 2009 at 7:14pm by Sara

science
solar ligth ,heat ,geothermal solar ligth electrical, solar heat geothermal,solar light heat
Saturday, November 8, 2008 at 9:27pm by steven

Science
On this date, the solar noon radiation values at the top of the atmospheree and at the surface at this place are 1317 WM-2 and 920 WM-2. Why is the surface value lower than the value at the top of the atmosphere?
Monday, March 9, 2009 at 4:13pm by Mama Mia

PHYSICS
Four billion years ago the Sun’s radiative output was 30% less than it is today. (i) If we assume the radius of the sun is the same, and that the Earth’s atmosphere was the same as it is now (that is, the atmosphere absorbs 10% of the incoming solar radiation and 80...
Sunday, January 24, 2010 at 12:45pm by Sunshin3

science
The average solar radiation incident on the surface of the earth is about 1 KW/m2 for the entire year. A solar house is built with solar panels installed in the roof to provide the heating and electrical energy of the house. If the roof has a surface area of 100 m2 and the ...
Sunday, December 12, 2010 at 11:34am by Kim

Science
What are some of the effects of the sun's radiation on the earth's atmosphere including the green house effect, conduction, convection and radiation?
Wednesday, April 10, 2013 at 3:49pm by Aj

to ms.sue-science project part 1
so is the project basically asking to write down details abd information i learned about solar cars and to write down the websites? please read this and describe to me: Please select one of the four solar-energy-based topics listed below to research. Based on your research you...
Thursday, June 21, 2012 at 12:07pm by Celest

physics help
At a certain location, the solar power per unit area reaching the Earth's surface is 180 W/m2 averaged over a 24-hour day. Suppose you live in a solar powered house whose average power requirement is 3.2 kW. At what rate must solar energy reach your solar panels if your ...
Sunday, March 27, 2011 at 10:30pm by sarah

physics
At a certain location, the solar power per unit area reaching the Earth's surface is 180 W/m2 averaged over a 24-hour day. Suppose you live in a solar powered house whose average power requirement is 3.2 kW. At what rate must solar energy reach your solar panels if your ...
Sunday, March 27, 2011 at 5:55pm by sarah

Phyics
In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The solar radiation enters the collector through a transparent cover and warms the water in the tubes; this water is pumped into a holding tank. Assume that ...
Friday, April 12, 2013 at 7:28am by HELP PLEASE

physics
In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The solar radiation enters the collector through a transparent cover and warms the water in the tubes; this water is pumped into a holding tank. Assume that ...
Monday, April 1, 2013 at 8:08am by Ashley

science
The FRACTION of light reflected back to space is called the albedo. The radiation itself would just be called the reflected radiation. Be careful when using the word "light". It properly refers only to visible radiation between 400 and 700 nm in wavelength. Much (...
Monday, November 24, 2008 at 1:17pm by drwls

Science
Facts about the sun are? I have 1. the only star in our solar system 2. sun spots are cooler areas on sun's surface 3. from solar energy 4.Solar flares 5. only star you see during the day 6.made of gas 7.closest star to our earth
Thursday, November 17, 2011 at 10:18pm by Johnny

Science
Farthest from the sun, the comet would have no tail. The tail would become prominent closer to the sun, because the solar radiation vaporizes parts of the comet. The tail always points away from the sun. I hope this helps.
Monday, February 15, 2010 at 8:53pm by PsyDAG

Physical Science
What is the apparent contradiction in the statement that "solar energy is free" with the fact that solar cells are too expensive to use as an energy source.
Tuesday, May 4, 2010 at 2:19pm by Sue Ann

science
Light from an electric bulb is generated by electricity. You may infer that the solar was indirectly involved (solar panels to generate the electricity to light the bulb or that solar energy grew the plants and trees that eventually decayed, made coal, the coal was used to ...
Thursday, January 22, 2009 at 10:00pm by DrBob222

Science
Scientists theorize that an increase in atmospheric carbon dioxide level might cause an increase in global temperatures. This theory is based on the fact that carbon dioxide is a. good absorber of infrared radiation b. poor absorber of infrared radiation c. good reflector of ...
Thursday, January 22, 2009 at 8:08pm by Emeralda

Science
It’s OK to say that your brain is solar powered, because A) mitochondria in plant cells convert solar power to the chemical power that is used to run your brain. B) cellular respiration is powered by sunlight. C) the antenna complex in chloroplasts acts like a tiny solar ...
Wednesday, October 26, 2011 at 5:59pm by Frank

physics
Force is C - Electromagnetic The Strong force binds gluons inside protons and neutrons Yes, I think D is right for the mechanical force one. Yes 5.1 I think it's D - All of the above Here is an example a - UV radiation causes sunburn b - UV radiation is used by Solar ...
Saturday, March 14, 2009 at 10:57am by GanonTEK

college earth science and astronomy
calories absorved=masswater*1*deltaTemp = 250*2.5 calories solar flux= 250*2.5/(63.6*10) cal/cm^2*min lets see there is 100^2 cm^2 in a m^2 solar flux= 250*2.5*100^2/(63.6*10) cal/m^2 min solar output= solar flux* area*time
Wednesday, March 18, 2009 at 3:30pm by bobpursley

geography
At noon on the summer solstice, the sun's zenith angle is 37 deg at 60 latitude and 7 deg at 30 latitude. The noon solar irradiance has a ratio cos 7/cos37 = 1.24, and the sun is up much longer at the more northern latitude. The net result is very little dfference in total...
Tuesday, October 5, 2010 at 12:27am by drwls

college Chemistry
Warm objects emit electromagnetic radiation in the infra-red region. Heat lamps employ this principle to generate infra-red radiation. Water absorbs infra-red radiation with wavelengths near 2.80um. Suppose this radiation is absorbed by the water and converted to heat. A 1.00 ...
Sunday, December 6, 2009 at 11:51am by Need Help

Science - Radiation
A radioactive isotope, used in the agricultural industry has a half life of 8 days. On application, the radiation is emitted is measured at 12500 counts per sec (cps). If the area that it is applied to cannot be used until the radiation strength is less than 50 cps how long ...
Saturday, January 26, 2013 at 6:29pm by Manu

8th grade science
radiation is produced by the Sun's UV rays. (UV means Ultra violet). They are sometimes harmless, because radiation is everywhere. But too much exposure can cause harm to you.
Thursday, March 18, 2010 at 5:46pm by blaise

physics
I just found the following: I didn't find any time tables I still need help Regards Solar radiation on Earth: As the Sun's energy spreads through space its spectral characteristics do not change because space contains almost no interfering matter. However the energy ...
Saturday, December 4, 2010 at 2:19pm by bark

help please physics
Assume you tilt the panels so that the solar radiation power hitting them per area equals the solar constant, which is about 1300 Watts per square meter. Then you need to take into account the efficiency of the solar panels in generating electrical power. Do some research of ...
Monday, February 9, 2009 at 9:37pm by drwls

Physics
Some spacecraft design uses a solar sail made of aluminized plastic. As sunlight reflects off the sail, radiation pressure drives the spacecraft outward away from the sun. a. If the sail material has a density of 700.0 kg/m3, what is the maximum thickness of the sail for which...
Friday, March 11, 2011 at 3:03pm by Daniel

Science
Fast food restaurants keep food hot with infrared lamps. The heat is transferred to the food by _____. condensation conduction convection radiation I think it is radiation...?
Monday, April 8, 2013 at 12:25pm by Cassie

3rd grade science
Solar System Project: I would like to know if the moon is between earth and mars. I am making a shoe box model of the solar system. I have to put the planets in order. Thats all I need to know. Thanks a bunch!!!
Monday, January 18, 2010 at 1:25pm by Miranda

science
dust is often light in color,while soot from fires is generally dark.what would happen to the amounts of solar radiation reflected and absorbed if a large amount of light-colored dust was added to the air?what if a large amount of dark soot was added?
Wednesday, August 31, 2011 at 7:49pm by bob

Science
Dust is often light in color, while soot from fires is generally dark. What would happen to the amounts of solar radiation reflected and absorbed if a large amount of light-colored dust was added to the air? What if a large amount of dark soot was added?
Thursday, September 16, 2010 at 3:58am by Bobert

science
Which radiation causes cancer? I think it is UV radiation, but I'm not sure. Also, A wave goes up and down 5 times in 10 seconds. what is the frequency of the wave in cycles per second (Hertz)
Monday, May 2, 2011 at 9:56pm by Erika

Science
Which radiation causes cancer? I think it is UV radiation, but I'm not sure. Also, A wave goes up and down 5 times in 10 seconds. what is the frequency of the wave in cycles per second (Hertz)
Monday, May 2, 2011 at 9:16pm by Erika

Physics
Can someone check if this is correct or not? Listed following are events or phenomena that occur during either the part of the sunspot cycle known as solar minimum or the part known as solar maximum. Match these items to the correct part of the sunspot cycle. Solar maximum: -...
Friday, April 15, 2011 at 9:40pm by Misty

Space Science
Which objects in the solar system have been least modified since the formation of the solar system? a)asteroids b)Kuiper Belt objects c)meteoroids d)terrestrial planets e)jovian moons
Monday, September 27, 2010 at 7:23pm by Alice

Biology
YOu have to get specific on the "alternative " fuel sources, it is difficult to generalize, except none are competitive without government subsidies. SO discuss the pro/con of geothermal wind solar radiation photovoltaic tidal generation
Monday, March 15, 2010 at 10:05pm by bobpursley

Science
The radiation emitted by a star is to a good approximation thermal radiation. This then implies that the spectrum will be the Planck spectrum. The higher the temperature, the shorter the wavelength at which the emitted power will peak.
Monday, May 25, 2009 at 6:17am by Count Iblis

chemistry
There are exactly 60 seconds in a minute, there are exactly 60 minutes in an hour, there are exactly 24 hours in a mean solar day, and there are 365.24 solar days in a solar year. Find the number of seconds in a solar year.
Saturday, September 4, 2010 at 11:49pm by Mely

Science
This site has a lot of information about solar greenhouses. http://attra.ncat.org/attra-pub/solar-gh.html
Tuesday, March 17, 2009 at 2:39pm by Ms. Sue

Physics
During 2004, japanese scientists successfully tested two solar sails. One had somewhat complicated shape that we shall model as a disk 9 m in diameter and 7.5 um thick. The intensity of solar energy at this location was about 1400 W/m ^2. (a) What force did the sun's light...
Monday, March 31, 2008 at 7:16pm by J

Earth/Space Science
How does damage to the ozone layer cause a threat to humans? A. It increases radiation of heat from Earth into space. B. It allows damaging infrared radiation to penetrate the atmosphere. C. It allows damaging ultraviolet radiation to penetrate the atmosphere. D. It increases ...
Monday, April 2, 2012 at 6:25pm by Astrid

science
In the process called fluorescence, some substances absorb photons of one kind of radiation (e.g) ultraviolet radiation), and give out photons of a different kind (e.g visible light). When infrared radiation falls on these materials, visible light is not emitted. Why not? If ...
Tuesday, March 6, 2007 at 6:58am by Kelvin

science
The temperature within the exosphere varies, depending on whether you are looking at the "day" side of the Earth, or the "night" side of the Earth. Because the atmospheric molecules are so disperse at this altitude, their energy is related to the amount of ...
Tuesday, February 26, 2013 at 11:18pm by crystal

8th grade science
Check these explanations. http://www.kidsgeo.com/geography-for-kids/0062-radiation.php http://en.allexperts.com/q/Science-Kids-3250/2009/2/Radiation-1.htm
Thursday, March 18, 2010 at 5:46pm by Ms. Sue

_____ radiation can damage genes?
If you have to pick one answer, gamma radiation is the best choice. There are some ionizing radiation types that do not cause gene damage, mainly becasue they do not normally reach the sexual organs.
Tuesday, September 15, 2009 at 8:49pm by drwls

science
The solar power is converted to electricity and stored for later use. For a more complete explanation, read this article carefully. http://www.buzzle.com/articles/do-solar-panels-work-at-night.html
Saturday, April 23, 2011 at 8:40pm by Ms. Sue

Physics
Check units: W/m^2 = Js^(-1) m^(-2) J= N m =>W/m^2= Js^(-1)m^(-2)=Nm^(-1)s^(-1) so W/m^2/(m/s) = Nm^(-1)s^(-1)/ms^(-1) = Nm^(-2) = pressure so we have verified that the units of intensity/speed of light = units of radiation pressure therefore, the force of radiation ...
Wednesday, May 22, 2013 at 7:24pm by bobpursley

English
A: What do you think of a solar house. 1. I think the solar house makes money for us. 2. I think we can save energy thanks to the solar house. 3. I think we don't need to spend money on electricity. 4. I think we don't need to pay the electricity fee. 5. I think it is ...
Thursday, November 18, 2010 at 4:04am by rfvv

English
1. What do you think of a solar house? - I think the solar house makes money for us. - I think the solar house makes energy from the sun. - I think the solar house uses the sun to make energy. - I think the solar house uses the sun to make electricity. - I think the solar ...
Wednesday, November 18, 2009 at 7:22pm by rfvv

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