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materials
... precisely control motorized window-shading-and-insulation devices. Exterior finishes Materials and colors can be chosen to reflect or absorb solar thermal energy. See "Cool Colors" by Lawrence Berkeley ...
... angle of incidence (see Sun path and Lambert''s cosine law). Another passive solar design principle is that thermal energy can be stored in certain building materials and released again when heat gain ...
Green building is the practice of increasing the efficiency with which buildings use resources — energy, water, and materials — while reducing building impacts on human health and the environment during ...
... reduce the volume of humanure and other organic materials on site over months or years through predominantly mesophilic composting and yield a fertilizer that is, after the legally required period, able ...
... convert a temperature difference between dissimilar materials into an electric current. First proposed as a method to store solar energy by solar pioneer Mouchout in the 1800s, thermoelectrics reemerged ...
... of solar energy. Common thermal mass materials include stone, cement and water. Historically they have been used in arid climates or warm temperate regions to keep buildings cool by absorbing solar energy ...
... century to keep exotic plants brought back from explorations abroad. Greenhouses remain an important part of horticulture today, and plastic transparent materials have also been used to similar effect ...
... higher temperatures than that of the surrounding environment. The higher temperatures are a result of increased absorption of the Solar light by urban materials such as asphalt and concrete, which have ...
... pumps, and fans to convert sunlight into useful outputs. Passive solar techniques include selecting materials with favorable thermal properties, designing spaces that naturally circulate air, and referencing ...
... cold object like a human, has much lower frequency than the radiation emitted by a hot object like the sun. Materials which have high emissivity for low frequencies but high absorption at higher frequencies ...
... the motor is used. Motor coils made of superconducting materials can also reduce energy losses. Many industries use compressed air for sand blasting, painting, or other tools. According to the US Department ...
... processing it is the process of extracting and converting materials from recycled materials derived from the previous step until all subsequent levels of output are extracted or used.    Example Level ...
... University, wrote, "... if recycling is more expensive than using new materials, it can''t possibly be efficient... There is a simple test for determining whether something is a resource... or just garbage... ...
Many different materials can be recycled but each type requires a different technique. Aggregates and concrete Concrete aggregate collected from demolition sites is put through a crushing machine, often ...
... is needed. Any changes to which materials are recyclable is easy to accommodate as all sorting happens in a central location. In a Commingled or single-stream system, all recyclables for collection are ...
Recycling involves processing used materials into new products in order to prevent the waste of potentially useful materials, reduce the consumption of fresh raw materials, reduce energy usage, reduce ...
Taxonomy by Zaragoza Online