Shipping Freight transport is the physical process of transporting commodities and merchandise goods and cargo. The term Shipping originally referred to transport by sea, but is extended in American English to refer to transport by land or air (International English: "carriage") as well. "Logistics", a term borrowed from the military environment, is also fashionably used in the same sense. Modes of shipment[edit] Ground[edit] Land or "ground" shipping can be by train or by truck (International English: lorry). Shipment of cargo by trucks, directly from the shipper's place to the destination, is known as a door to door shipment and more formally as multimodal transport. Ship[edit] Much shipping is done aboard actual ships. Air[edit] Cargo is transported by air in specialized cargo aircraft and in the luggage compartments of passenger aircraft. Intermodal[edit] Intermodal freight transport refers to shipments that involve more than one mode. Terms of shipment[edit] See also[edit] References[edit]
Compressed air energy storage - Compressed Air Wiki Main article: compressed air Compressed Air Energy Storage (CAES) refers to the compression of air to be used later as energy source. It can be stored during periods of low energy demand (off-peak), for use in meeting periods of higher demand (peak load). Alternatively it can be used to power vehicles, or even tools. File:Minebw.gif Types Edit Compressed air energy storage can be done in two ways: Compression is done with an electrically powered turbo-compressor . Air is stored: In mass quantity in underground in a cavern created by solution mining (salt is dissolved away) [2]or an abandoned mine. Physics of isothermal compressed air storage One type of reversible air compression and expansion is described by the isothermal process, where the heat of compression and expansion is removed or added to the system at the same rate as it is produced. The ideal gas law, for an isothermal process is: By the definition of work, where A and B are the initial and final states of the system: where, Edit Cars
Reverse Phone Lookup Sweep's Library - Firewood BTU Comparison Charts The Chimney Sweep Online Fireplace, Woodstove, Gas Stove and Barbecue Shop Here are two charts showing the weight and available heat content of one cord of firewood of various species, the first sorted by heat value, and the second sorted alphabetically for easy lookup. The heat value measurement used is the British Thermal Unit, or BTU, which is defined as the amount of thermal energy it takes to raise one pound of water one degree F. One MBTU = one million BTUs. Weight and Heat content figures are based on seasoned wood at 20% moisture content, and 85 cu ft of wood per cord. To read about how we derived the numbers for our charts, click here. Regardless of what species of wood you burn, it won't produce optimal heat output and burn time unless it is properly seasoned. A Correction from Wyoming Just a comment on your BTU chart. Mike Hi Mike, I'll admit that a tight stack of dimensional lumber will have very little airspace, but dimensional lumber is sold by the board/foot, not the cord.
Area Code Listing The cities listed with each area code are the major cities for that area code; this originated as the city in which the switch computer for that area code is located, but is no longer the case. The cities listed are not intended to be exhaustive. This list is updated only when an Internet user informs me of a (pending) change. There are no special data sources from which this is generated -- just the cooperation of the Net. I do not have anything to do with phone companies etc; I do research in computer security, and this is just a random service for/of/by the Internet community. See also the listing by state/country and the NANPA data. * indicates that daylight savings time is not observed. "split" refers to a service area served by one area code being subdivided into two or more areas, with the original area code serving one of the subdivisions and new areacode(s) serving the other(s). The split/overlay information is not exhaustive.
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