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Electricity prices are dependent on many factors, such as the price of power generation, government taxes or subsidies, CO 2 taxes, [1] local weather patterns, transmission and distribution infrastructure, and multi-tiered industry regulation. The pricing or tariffs can also differ depending on the customer-base, typically by residential ...
Seller Two offers widgets at a unit price of $5. Seller Three offers widgets at a unit price of $4. Buyer uses unit price to value the packages offered by each of the three sellers and finds that Seller Three offers widgets at the best value, the best price. Unit price is a common form of valuation in sales contract for goods sold in bulk ...
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It was originally defined as the rate of heat transfer that results in the freezing or melting of 1 short ton (2,000 lb; 907 kg) of pure ice at 0 °C (32 °F) in 24 hours. [1] [2] The modern definition is exactly 12,000 Btu IT /h (3.516853 kW). Air-conditioning and refrigeration equipment capacity in the U.S. is often specified in "tons" (of ...
The short ton (abbreviation tn [1]) is a measurement unit equal to 2,000 pounds (907.18 kg). It is commonly used in the United States, where it is known simply as a ton; [1] however, the term is ambiguous, the single word "ton" being variously used for short, long, and metric tons. The various tons are defined as units of mass. [2]
The Spittelau incineration plant is one of several plants that provide district heating in Vienna, Austria. Animated image showing how district heating works. District heating (also known as heat networks) is a system for distributing heat generated in a centralized location through a system of insulated pipes for residential and commercial heating requirements such as space heating and water ...
Motioneering designed a 660-metric-ton (728-short-ton) [54] [55] [56] steel pendulum that serves as a tuned mass damper, at a cost of NT$132 million (US$4 million). [57] Suspended from the 92nd to the 88th floor, the pendulum sways to offset movements in the building caused by strong gusts.
Marine shrimp farming is an aquaculture business for the cultivation of marine shrimp or prawns [Note 1] for human consumption. Although traditional shrimp farming has been carried out in Asia for centuries, large-scale commercial shrimp farming began in the 1970s, and production grew steeply, particularly to match the market demands of the United States, Japan and Western Europe.