approved manure storage and handling systems are biased toward larger farms due to investment capabilities i e not scale neutral
Funding Organizations with Approved Peer Review and Funding Systems pdf
... to an NIH R01 research project and funded by other organizations not listed specifically above, can be considered for eligibility if approved by peer reviewers as part of the initial review of ... in “peer-reviewed” journals (4) If a newly funded project, it is clearly within the proven experience and expertise of the investigator as judged in (3) above (5) If a continuing funded project, ... selected projects of special importance to the center for full access to CCSG resources With this intent in mind, multi-year projects, which are equivalent in size and scientific complexity to an...
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Báo cáo hóa học: " Research Article Design and Implementation of a Generic Energy-Harvesting Framework Applied to the Evaluation of a Large-Scale Electronic Shelf-Labeling Wireless Sensor Network" pdf
... via the expansion connector Both dedicated hardware and software were needed to achieve this desired feature The general principles of the energy-harvesting emulator part of the EE are depicted ... avoidance) scheme is theoretically suited and sufficient to minimize collisions between the subsequent frames of the different nodes In 2008, GreenPeak Technologies has designed a prototype (not ... requirement and recharge this sensor node They this until their energy is nearly depleted None of these have the same requirements of the presented EHESL use case We have focussed on the packet...
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Báo cáo sinh học: " Bias and sampling covariances of estimates of variance components due to maternal effects" pdf
... recent weaning weight, respectively While the modern methods of analysis together with the availability of high speed computers and the appropriate software make it easier to estimate genetic ... response because inaccurately estimated parameters have been used deriving index weights efficiency of search procedures used in derivative-free REML algorithms is highly dependent on the correlation ... low direct and medium maternal heritability and a moderate to high positive genetic correlation Table IV gives means and empirical deviations of estimates of (co)variance and their sampling errors...
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Selection and Location of Poultry and Livestock Manure Storage docx
... protect the environment, and meet regulatory guidelines Some guidelines to use in planning and selecting a manure storage facility are discussed below Size/Capacity of Storage Beef Cattle The required ... before building These must be rerouted before construction or another site must be selected Storage Period The storage period is the maximum length of time anticipated between emptying events The ... specialist, animal and poultry sciences, Virginia Tech; and Robert Grisso, Extension specialist, biological systems engineering, Virginia Tech • Check for buried utilities and drainage tiles before...
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ELECTIONS: Federal Efforts to Improve Security and Reliability of Electronic Voting Systems Are Under Way, but Key Activities Need to Be Completed doc
... the significant security and reliability concerns identified about electronic voting systems, (2) identify recommended practices relevant to ensuring the security and reliability of these systems, ... practices recommended by 80 See bib entries 4, 16, and 19 81 Several of the reports we reviewed offered suggestions to address identified weaknesses These are summarized in appendix II, table Page ... intended to improve the security and reliability of electronic voting systems, reviewed materials from these activities, and discussed them with representatives of these groups Appendix I provides...
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surface production operations - design of oil handling systems and facilities
... these theories to applied equations, expressed in both SI and field units, essential in the design effort A conscious effort has been made to offer guidelines of sound engineering judgment, decisions, ... has been significantly expanded and thoroughly updated with new material Every chapter has been carefully reviewed and older material removed and replaced by newer design techniques It is important ... facilities Readers will understand the uncertainties and assumptions inherent in designing and operating the equipment in these systems and the limitations, advantages, and disadvantages associated with...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 1 Part 1 pps
... Volume I: Design of Oil -Handling Systems and Facilities, it does present the basic concepts and techniques necessary to select, specify, and size gas -handling, -conditioning, and -processing equipment ... provide sufficient liquid retention time for threephase separation if it's to be large enough to provide sufficient gas capacity Selection and sizing of separators are described in Volume Liquid ... proportional to the temperature difference between the hot and cold liquid, and the heat transfer area It is expressed: 10 where Design of GAS -HANDLING Systems and Facilities q = heat transfer rate,...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 1 Part 2 doc
... average temperature difference between the fluid in the coil and the liquid bath, °F d() = pipe outside diameter, in The fluid properties can be determined as before, except for the bath fluid ... the average temperature between the fluid inlet and outlet temperatures The viscosity at the tube wall should be the fluid viscosity at the arithmetic average temperature between the inside fluid ... series, similar to a series of electrical resistance, to produce an overall resistance The heat transfer coefficient is similar to the electrical conductance, and its reciprocal is the resistance...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 1 Part 3 pps
... first element of the shorthand is the nominal diameter, which is the inside diameter of the shell in inches, rounded off to the nearest integer For kettle reboilers and chillers (remember the kettle ... should not be confused with steel pipe or other types of pipe that are extruded to steel pipe sizes The outside diameter of heat-exchanger tubes is the actual outside diameter in inches within a very ... floating head floats free inside the pressure vessel as the tubes move Types P and W are floating heads where the movement of the head effects the seal between either the shell-side or tube-side...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 1 Part 4 pdf
... Tranter, Inc.) 73 74 Design of GAS -HANDLING Systems and Facilities may be used if desired It is important to select the gasket materials to be compatible with the fluids and temperatures being handled ... fluids are separated and retained across gasketed surfaces, they are limited to moderate temperature and pressure applications In addition, some operators not allow the use of plate -and- frame exchangers ... tubes and not the number per pass There are fewer total tubes in the same diameter exchanger for more passes of the tube fluid because of the need for partition plates There are fewer tubes for...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 1 Part 5 pps
... Figure 4-8 The heat capacity of the liquids is then used to heat the gas to determine a new equilibrium temperature THERMODYNAMIC INHIBITORS Chemicals can be injected into the production stream to ... thermodynamic inhibitor to inhibit the free water that may exist in low spots in the piping system After the system has reached an operating equilibrium, the volume of the thermodynamic inhibitor is then ... true in chokes and control valves where there are large pressure drops and small orifices The pressure drops cause the temperature to decrease, and the small orifices are susceptible to plugging...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 1 Part 6 potx
... must meet a specified vapor pressure The tower must be designed to maximize the molecules of intermediate components in the liquid without exceeding the vapor pressure specification This is accomplished ... to heat liquids that are circulated to several heat users The sizing of indirect fired heaters for these uses relies on the same principles and techniques discussed for wellstream line heaters ... the steel temperature in the choke body may become so cold that special steels are required Therefore, some guidelines are necessary to choose T{ for an economical design It is preferable to keep...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 1 Part 7 ppsx
... bottoms temperature is required to stabilize completely the condensate The heating coil in an LTX separator is more like- 150 Design of GAS -HANDLING Systems and Facilities ly to be in the range ... removed from service and the bed regenerated or replaced Since the bed must be removed from service to be regenerated, some spare capacity must be provided There are three commonly used processes ... there is sufficient H2S present to be life threat*Reviewed for the 1999 edition by K S Chiou of Paragon Engineering Services, Inc 151 152 Design of GAS -HANDLING Systems and Facilities Table 7-1...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 1 Part 8 doc
... heat from the lean amine stream to decrease the heat duty on the amine reboiler The heated rich amine then enters the amine stripping tower where heat from the reboiler breaks the bonds between ... sour gas to pipeline specifications; however, great care in designing the system is required to limit equipment corrosion and MEA losses, Diethanolamine Systems Diethanolamine (DBA) is a secondary ... available In addition, it may be less expensive to operate and maintain because field personnel are likely to be more familiar with it Monoethanolamine Systems Monoethanolarnine (MBA) is a primary...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 1 Part 9 pdf
... are designed for to minutes of retention time for the amine solution while operating half full Amine Reboiler The reboiler provides the heat input to an amine stripper, which reverses the chemical ... chemical reactions and drives off the acid gases Amine reboilers may be either a kettle reboiler (see Chapter 3) or an indirect fired heater (see Chapter5) The heat duty of amine reboilers varies ... include a reclaimer, The reclaimer is a kettle-type reboiler operating on a small side stream of lean solution The temperature in the reclaimer is maintained such that the water and MEA boil to the...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 1 Part 10 pdf
... enters the still The reboiler duty is then the sum of the sensible heat required to raise the wet glycol to reboiler temperature, the heat required to vaporize the water in the glycol, the heat ... made between the tower diameter and the maximum use of the desiccant Figure 8-22 shows a maximum design velocity Smaller velocities may be required due to pressure drop considerations The minimum ... effluent gases will be obtained Consequently, it would seem desirable to operate at minimum velocities to fully use the desiccant However, low velocities require towers with large cross-sectional...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 2 Part 1 docx
... They are very difficult to operate, and it Is difficult to predict their efficiency at removing liquids from the gas as the lean oil deteriorates with time Typical liquid recovery levels are: ... approximately -90°F These liquids are injected into the de-methanizer at a level where the temperature is approximately -90°F The gas is then expanded (its pressure is decreased from inlet pressure ... If it is desirable to recover ethane, this still is called a de-methanizer If only propane and heavier components are to be recovered it is called a de-ethanizer The gas is called "plant residue"...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 2 Part 2 pps
... they are the most fuel efficient choice for large horsepower needs, large integrals are not often installed in oil and gas fields They are more common in plants and pipeline booster service where ... overcome if process heat is needed Waste heat can be recovered from the turbine exhaust, decreasing or eliminating the need to burn gas to create process heat As with electric motor and engine-driven ... volume required by the cylinder When the suction pressure decreases, the ratio per stage increases and therefore the discharge temperature increases In order to keep from having too high a discharge...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 2 Part 3 potx
... replaced As the surface of the liner wears, it is much easier and quicker to repair it than to repair the cylinder itself In addition, liners enable the diameter of the piston to be varied without ... the cylinder in the fixed and added clearance areas expands until the pressure in the cylinder is equal to the pressure in the line outside of the cylinder The greater the clearance, the longer ... compressor flexibility it is desirable to design into the compressor the capability of operating at other than the original design conditions If it is desired to provide flexibility to operate at...
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ARNOLD, K. (1999). Design of Gas-Handling Systems and Facilities (2nd ed.) Episode 2 Part 4 pdf
... operating conditions The minimum temperature used in the design should be the lowest expected in service except when lower temepratures are permitted by the rules of the ASME Code, In determining ... difference between the operating pressure and the relief valve set pressure provides a sufficient cushion If the operating pressure is too close to the relief valve setting, small surges in operating ... Facilities Figure 12-1 Pressure vessel shapes nameplate on the vessel will be stamped to signify it has met the requirements of the Code One of these requirements is that the vessel was tested to...
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