22 Thammasat Rangsit Post Office‚ Patumthani 12121‚ Thailand Received 11 January 2001; accepted 12 February 2001 Abstract This paper provides a literature review on absorption refrigeration technology. A number of research options such as various types of absorption refrigeration systems‚ research on working fluids‚ and improvement of absorption processes are discussed. 2001 Elsevier Science Ltd. All rights reserved. Keywords: Refrigeration; Refrigerant; Absorption; Heat pump Contents 1. 2.
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ENPE 573 – Unconventional Gas Exploitation Introduction to Shale Gas Classification‚ Formation‚ & Extraction Abstract The production of conventional gas has been declining over the last few years due to dwindling reserves. To counter-act this decline‚ companies are quickly turning to unconventional gas plays that can offer even greater reserves as shown in figure 1. Unfortunately‚ recovering unconventional gas is a very difficult process that requires advanced stimulation and/or
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safety devices to prevent collapse of the gear when the airplane is on the ground. These devices are called ground locks. One common type is a pin installed in aligned holes drilled in two or more units of the landing gear support structure. Another type is a spring-loaded clip designed to fit around and hold two or more units of the support structure together. All types of ground locks usually have red streamers permanently
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Hydraulic fracking is the method of extracting gas from sediments by injecting the area with a mixture of water‚ sand and other chemicals to release methane gas. Another source of fuel is the mining of coal. Unlike fracking‚ coal mining requires labor that is both physically demanding and hazardous. Mining for coal also requires a larger surface area and therefore could have a larger negative impact on the environment. The burning of coal contributes more CO2 emissions than the burning of natural
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HYDRAULIC BRAKE SYSTEMS AND COMPONENTS FOR OFF-HIGHWAY VEHICLES AND EQUIPMENT David E. Keyser Applications Coordinator Keith Hogan OEM Sales MICO‚ Inc. 1911 Lee Boulevard North Mankato‚ MN U.S.A. 56003-2507 Fax: +1 507 625 3212 Tel: +1 507 625 6426 ABSTRACT This paper will identify some prerequisites for brake actuation circuit design‚ describe three basic types of brake actuation circuitry‚ and will point out some common problems to be avoided in brake actuation circuit design for off-highway
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to naturally correct on their own‚ however surgery or means immobilization is often required to make sure the bones are aligned properly when healing. Medical treatment depends on the severity of the break. There are several categories of bone fracturing‚ they are: 1. Hairline fracture- a thin small stress fracture often occurring in the leg. In the case of this injury‚ a splint and cast are the only medical means necessary for repair. 2. Greenstick fracture- A thin fracture‚ often appearing in
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Three Types of Ethnic Restaurants in Taiwan Taiwan is a veritable paradise for food lovers. Even though Taiwan is fairly small‚ it offers a wide diversity of ethnic restaurants. This trend gives ideas to the restaurant operators for trying to diversify the food choices. Ethnic restaurant is one of the ways that the restaurant operators are trying to capture their customers’ attention. The feature of the ethnic restaurant is that they create something new without leaving their hometown. There
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Three types of architecture that create Krypton : Krypton is one of the most well known landmarks in DComics. It is as famous as Gotham City from Batman and Oaa from the Green Lantern. This planet is famous for being the birthplace of Superman‚ the most iconic Superhero of America (The 50). Superman was created by the hand of Jerry Siegel and Joe Shuster. Krypton has several remarkable things to recognize‚ including their architecture. This research is to show the inspiration in architecture
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Three Different Types of Roommates Having had plenty of roommates in the past has given me a chance to observe the different kinds of behaviors a roommate can exhibit. Living with a untamed jungle monkeys is a good comparison to leaving with roommates. Roommates can never be easy to live with‚ especially if you get one that is like the roommates I mention in the following paragraphs. I like to think that I could classify different types of roommates into three separate categories.
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There are three types of rewards that may or may not be equally distributed within a society. These rewards include wealth‚ power and prestige. Furthermore‚ there are three basic types of societies identified by Morton Fried in which the equal or non-equal distribution of these rewards may occur. These societies include that of an egalitarian society‚ a ranked society‚ and a stratified society. Egalitarian societies do not rely on wealth or power. Instead‚ people in this type of society
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