| Body material | PC |
| Power supply | High efficient solar panel(5V/60mA) |
| Battery | Lithium battery(3.2V/500mAh) |
| LED | Ultra bright diameter 5mm( 6pcs) |
| LED color | Red, Yellow, Green, Blue, White |
| working mode | Recharging at day and working automatically at night |
| Flashing mode | Blinking or constant (charging at daytime and working automatically at night) |
| Life Span | 5years for Lithium battery; |
| Waterproof | IP68 |
| Visual distance | >500m |
| Working temperature: | -20°C-80°C |
| Load capacity | >15T |
| Size | 114*90*11mm |
| Weight | 120g |
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2020-7-1 · 1. Introduction. Sewage sludge is the by-product from the treatment of waste water and has the potential to be used for generating heat and power .There is interest in the development of alternative routes to treat and dispose of sewage sludge driven by socio-economic and environmental concerns .In addition, sewage sludge contains many organic and inorganic noxious compounds for which a
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The RAND Corporation is a nonprofit institution that helps improve policy and decisionmaking through research and analysis. RAND focuses on the issues that matter most such as health, education, national security, international affairs, law and business, the environment, and more. With a research staff consisting of some of the world's preeminent minds, RAND has been expanding the boundaries
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And Long et al.(2019) developed ethanol-treated-carrot biochar with the synergy of a high absorption to illumination and the presence of microchannels showed high evaporation rate of 2.04 kg/(m 2 ·h) (Fig. 3c) . Biochar is a new material in solar absorbers instead of costly materials like plasmonic metal particles and semiconductor.
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Capturing and converting solar energy into fuels and feedstocks is a global challenge that spans numerous disciplines and fields of research. Billions of years of evolution have allowed natural organisms to hone strategies for harvesting light from the sun and storing energy in the form of carbon–carbon and carbon–hydrogen bonds.
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2017-7-15 · 3.1. Consequences of the urban heat island. The UHI effect has significant consequences for the liveability in our cities, and is the source of a significant number of environmental problems in urban areas (Yang et al., 2015).The warming effect of urbanisation has critical impacts on health and wellbeing, as well as human comfort and the local atmosphere (Grimmond, 2007).
Solar energy conversion (63) Energy harvesting. Solar energy (842) Nanogenerators (309) Thermoelectrics. Thermoelectric materials (229) Thermoelectric performance (10) Self-powered dynamic systems (122) Rate capability (65) Electronic energy (37) Energy migration (33) Catalysis. Catalysts. Photocatalysts (1757) Catalyst supports (693
