solar powered chargers for laptops

harper - solar energy projects for the evil genius (mcgraw, 2007)

harper - solar energy projects for the evil genius (mcgraw, 2007)

... Family Solar Panel solarcooking.org/cookit.htm Inclined Box Type Solar Cooker solarcooking.org/inclined-box-cooker.htm Sun Pan Solar Cooker www.sungravity.com/sunpan_overview.html Nelpa Solar ... Cooker www.sunspot.org.uk/ed/ The Reflective Solar Box Cooker solarcooking.org/newpanel.htm Collapsible Solar Box Cooker solarcooking.org/collapsible-box.htm The Bernard Solar Panel Cooker solarcooking.org/spc.htm 52 Project ... water. Figure 9-4 Solar panel on display. Figure 9-5 Diagram of the solar water feature. 78 Project 19: Build a Solar- Powered Fountain was a steam boiler which provided steam for the printing...

Ngày tải lên: 03/04/2014, 12:27

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Let s go green! build a solar powered parabolic

Let s go green! build a solar powered parabolic

... http://www.instructables.com/id/Let_s-go-green!-Build-a -Solar- Powered- Parabolic-Co/ Home Sign Up! Explore Community Submit Let's go green! Build a Solar Powered Parabolic Cooker! by Weissensteinburg ... . 7 http://www.instructables.com/id/Let_s-go-green!-Build-a -Solar- Powered- Parabolic-Co/ intro: Let's go green! Build a Solar Powered Parabolic Cooker! Let's face it, energy is expensive. ... comments http://www.instructables.com/id/Let_s-go-green!-Build-a -Solar- Powered- Parabolic-Co/ step 5: Alignment The two blocks are for keeping the cooker at the right angle. You put one on either...

Ngày tải lên: 18/04/2014, 09:08

11 355 0
A greenhouse type solar dryer for small-scale dried food industries: Development and dissemination

A greenhouse type solar dryer for small-scale dried food industries: Development and dissemination

... greenhouse solar dryer with LPG burner has been developed and its performance for drying osmotically dehydrated tomato have been investigated. Solar drying of osmotically dehydrated tomato in solar ... performance of the solar tunnel dryer for drying bananas. Renewable Energy 1996, 7, 119-129. [10] Janjai S., Wongpromchai A., Esper A. Study of the performance of Silpakorn-Hohenheim type solar ... greenhouse solar dryer for a typical experimental run during drying of osmotically dehydrated tomato Figure 8 shows relative humidity inside the dryers for typical experimental runs during solar...

Ngày tải lên: 05/09/2013, 16:10

16 447 0
Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application

Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application

... solar cell under dark and light conditions. Fig. 2. (a) Photograph of the fabricated SiNWs solar cell. (b) The difference of reflectance between conventional planar c-Si solar cell and SiNWs solar ... silicon (c-Si) wafer for solar cell application and their characteristics are explored. 2. Experimental details About 7 Ω cm boron-doped Cz silicon (100) wafers were used for fabrication of solar cells. ... surface recombination velocity. Therefore, the sizes and impurity removal must be controlled for further improvement. Moreover, the improvement of the cell performance owing to the deposition of...

Ngày tải lên: 16/03/2014, 15:12

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Assessment of Planetary Protection Requirements for Spacecraft Missions to Icy Solar System Bodies pptx

Assessment of Planetary Protection Requirements for Spacecraft Missions to Icy Solar System Bodies pptx

... provides a platform for incorporating new observational data from planetary exploration missions and the latest information about microbial physiology and metabolism, particularly for obligate ... concern for future missions to the outer solar system. Studies were conducted at the Jet Propulsion Laboratory in the late 1990s and early 2000s in support of efforts to design an RPS -powered, ... has discussed 10 -4 as the acceptable risk for contamination and formally adopted this value in March 2011 for missions to icy bodies in the outer solar system c In COSPAR usage, the term ...

Ngày tải lên: 22/03/2014, 09:20

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laptops all-in-one desk reference for dummies

laptops all-in-one desk reference for dummies

... alternative. ✦ Touchpad with a pointing stick. Some laptops offer double for your money, letting you to choose whichever device works best for you all the time or for a particular assignment. ✦ Clip-on trackball. ... clicking the Performance Information and Tools icon. Then read the report. An example of the subscores for a Toshiba Satellite P205, shown in Figure 1-2, shows very high scores for its Intel Core ... most common options here: Microsoft Word for word processing, Microsoft Excel for spreadsheets, Outlook Express for e-mail, and Microsoft PowerPoint for presentations. 03 140925-intro.qxp 4/8/08...

Ngày tải lên: 25/03/2014, 15:42

761 282 2
laptops for dummies

laptops for dummies

... were not battery powered. ߜ At this same time, color monitors were becoming the standard for desk- top computers. For technological reasons, monochrome LCD screens were all that laptops could offer. ߜ ... all the fea- tures you need. ߜ Refer to Chapter 8 for more information on battery types and the memory problem. 26 Part I: Choosing a Laptop Just for You Publisher’s Acknowledgments We’re proud ... generally more expen- sive. You pay more for light weight, but oddly enough you pay more for extra weight too, thanks to the added features. Size. Most laptops are less than 1 inch thick and about...

Ngày tải lên: 25/03/2014, 15:42

353 257 0
laptops just the steps for dummies

laptops just the steps for dummies

... file system. ã Use NTFS for larger drives that will stay on Windows systems. 5. Click Start and format the drive. You must format a new drive to use it on a computer, but the for- matting process ... flash drives are useful for transporting files from one loca- tion to another, whereas larger hard disc drives are useful for long- term file storage. Always stop a drive before you disconnect it ... the Show This Clock check box for as many as two additional clocks and set the time zones for each one. This strategy can be a handy way of monitoring the time for farflung relatives, friends,...

Ngày tải lên: 25/03/2014, 15:42

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Upgraping & fixing laptops for dummies

Upgraping & fixing laptops for dummies

... turn the machine back on. (I guess I forgot to remind you once more to always turn off your laptop, remove its battery, and unplug the AC adapter before performing any work under the covers. There: ... all new laptops use tiny 200-pin SODIMM modules. The next issue is the bus speed; most common is PC-2700, followed by slightly slower PC-2100 RAM. And finally, most memory modules for laptops ... Non-ECC, meaning they don’t include extra circuitry for error correction; a dwindling percentage of laptops insist on the slightly more expensive ECC memory. Older laptops used slightly larger sticks of memory,...

Ngày tải lên: 27/03/2014, 02:21

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greenhouses. basic rules for solar heated greenhouses

greenhouses. basic rules for solar heated greenhouses

... Attached solar greenhouses are the most efficient hot-air solar collectors known. High and low vents that open into the home through the common wall exchange solar- heated greenhouse air for cool ... mass. Beds have many other advantages. Roots have more room to forage for water and nutrients. The environment becomes a better one for natural predators like spiders. Because the soil in beds ... cheaper to build. As you plan your solar greenhouse, you should think first of this kind for many reasons. Attached greenhouses have about a third less surface area for the same floor space as a freestanding...

Ngày tải lên: 20/04/2014, 14:31

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