Refimprove date July 2010 A flow splitter , in hydraulic engineering , is any device designed to break up the flow of water or nappe water nappe over a dam wall or weir . Flow splitters are used to reduce the likelihood of nappe vibration that might cause the failure of a dam wall by aerating the water flow. They are also used to restrict large flows of stormwater , in situations where a stormwater management device is designed only to treat small storms. ref name Met Council BMP Metropolitan Council, St. Paul, MN 2001 . http www.metrocouncil.org environment water BMP CH3 STFlowSplitters.pdf Flow Control Structures Flow Splitters. Urban Small Sites Best Management Practice Manual. ref Another use for a flow splitter is to again break up the nappe so as to allow fish, such as salmon to swim upstream and over small weirs. Split flow weirs are also used in water purification drinking water and wastewater treatment plants sewage treatment or industrial wastewater treatment to proportion flows to different outlets in a junction box. See also Flow control structure References Reflist engineering stub Category Hydraulic engineering Category Physical infrastructure es Divisor de flujo ... more details
Ecoplay B.V . is a company in Muiderberg , The Netherlands , that manufactures and markets residential micro greywater management systems. Ecoplay s system captures greywater from showers and bathtubs and re uses this water to flush the home s toilets. Based upon statistics, the company asserts that the use of their system will cut the average home s water consumption by approximately one third. In 2007, Ecoplay was elected Green Product of the year in the Sustainable Building Services Awards in the UK as well as achieving the prestigious Waterwise Marque. Founder, Don Platteel, founded the company in 2005. The company markets its products through licensed manufacturers and distributors. The intelligent Ecoplay system keeps the water young via an ingenious purging and aerating program, in both storage tank and toilet cisterns. External links http www.ecoplay.nl Ecoplay company website . http www.ecoplay system.com Ecoplay UK website . http www.waterwise.org.uk Waterwise website . http www.buildingtalk.com news pok pok111.html . See also Greywater Reclaimed water Water aeration Category Companies established in 2005 Category Manufacturing companies of the Netherlands ... more details
Aeration, Inc.. Image Fine Bubble Diffuser Tube .jpg Aerating water by means of fine pore membrane diffuser. Compliments of Environmental Dynamics Inc. Image Fine bubble diffuser Disc .jpg Aerating ... more details
wiktionarypar diffuser Diffuser can refer to any device that wiktionary diffuse diffuses in some manner such as In aerodynamics Diffuser automotive , a shaped section of a car s underbody which improves the car s aerodynamic properties divergent part of the flute Clarify me date February 2009 divergent part of the aspirator Clarify me date February 2009 Part of a Jet engine Air intakes Jet engine air intake , especially when operated at supersonic speeds the channel between the vanes of a turbine the channel between the vanes of the stator of a centrifugal compressor Diffuser breathing set part , a device fitted over an underwater breathing set s blow hole to break up the resulting bubbles Diffuser optics , a device that diffuses or spreads out or scatters light in some manner Diffusion filter , a specific optical diffuser used in photography Diffuser sewage , an aerating device for sewage and industrial waste water treatments a membrane with fine pores, through which fine bubbles are generated by the supply of air through blowers Diffuser thermodynamics , a device that controls the characteristics of a fluid at the entrance to a thermodynamic open system Diffuser heat , a cooking item that can be placed above a stove heating element or burner to separate the cooking utensil from the heat source Diffuser can also refer to Diffuser band , a punk rock band from the Long Island area Disambig de Diffusor Begriffskl rung ja lv Difuzors ru ... more details
Refimprove date November 2009 The Pasteur effect is an inhibiting effect of oxygen on the Fermentation biochemistry fermentation process. Discovery The effect was discovered in 1857 by Louis Pasteur , who showed that aerating yeasted broth causes yeast cell growth to increase, while conversely, Fermentation biochemistry fermentation rate decreases. Explanation The effect can be easily explained, as the yeast being facultative anaerobes can produce energy using two different metabolic pathways. While the oxygen concentration is low, the product of glycolysis , pyruvate , is turned into ethanol and carbon dioxide , and the energy production efficiency is low 2 Mole unit moles of Adenosine triphosphate ATP per mole of glucose . If the oxygen concentration grows, pyruvate is converted to acetyl CoA that can be used in the citric acid cycle , which increases the efficiency to 38 moles of ATP per mole of glucose. Under anaerobic conditions, the rate of glucose metabolism is faster, but the amount of ATP produced as already mentioned is smaller. When exposed to aerobic conditions, the ATP production increases and the rate of glycolysis slows, because the ATP produced acts as an allosteric inhibition allosteric inhibitor for phosphofructokinase 1 , the third enzyme in the glycolysis pathway. So, from the standpoint of ATP production, it is advantageous for yeast to undergo Krebs Cycle in the presence of oxygen, as more ATP is produced from less glucose. Practical implications All the processes used in alcohol production are kept in anaerobic conditions, while breeding yeast for biomass is done in aerobic conditions, the broth being aeration aerated . See also Ethanol fermentation Fermentation biochemistry Allosteric regulation Allosteric inhibition References cite journal last Krebs first Hans year 1972 title The Pasteur effect and the relations between respiration and fermentation journal Essays in Biochemistry issue 8 pages 1 34 authorlink Hans Adolf Krebs Category Fermen ... more details
see also Water aeration Aeration also called aerification is the Systems engineering process process by which air is circulated through, mixed with or solvation dissolved in a liquid or substance. Aeration of liquids File Fine Bubble Diffuser Tube .jpg thumb Aerating water by means of fine pore membrane diffuser Methods Aeration of liquids usually water is achieved by passing the liquid through air by means of fountain s, Waterfall cascades , paddle wheels or cones. passing air through the liquid by means of the Venturi tube , Aeration Turbine aeration turbines or compressed air which can be combined with diffuser s air stone s , as well as fine bubble diffusers , coarse bubble diffusers or linear aeration tubing. Ceramics are suitable for this purpose, often involving dispersion of fine air or gas bubbles through the porous ceramic into a liquid. The smaller the bubbles, the more gas is exposed to the liquid increasing the gas transfer efficiency. Diffusers or sparger s can also be designed into the system to cause turbulence or mixing if desired. Porous ceramic diffusers are made by fusing aluminum oxide grains using porcelain bonds to form a strong, uniformly porous and homogeneous structure. The naturally hydrophilic material is easily wetted resulting in the production of fine, uniform bubbles. ref http www.refractron.com diffusion sparging aeration.asp Porous Ceramic Diffusers ref On a given volume of air or liquid, the surface area changes proportionally with drop or bubble size, the very surface area where exchange can occur. Utilizing extremely small bubbles or drops increases the rate of gas transfer aeration due to the higher contact surface area. The pores which these bubbles pass through are generally micrometre size. Uses of aeration of liquids To restrict flow of tap water at the faucet Production of aerated water or cola for drinking purposes Secondary treatment of sewage or industrial wastewater through use of aerating mixers Diffuser sewage diffuse ... more details
Magic sand , Moon Sand , Mars Sand , Space Sand , Sqand or Aqua Sand is a toy made from sand coated with a Hydrophobe hydrophobic compound. The presence of this hydrophobic compound causes the grains of sand to adhere to one another and form cylinder geometry cylinder s to minimize surface area when exposed to water. As soon as the sand is taken out of water, it is completely dry and flows freely. These properties are achieved by covering ordinary beach sand, which contains tiny particles of pure silica , and exposing them to vapors of trimethylsilanol Methyl CH sub 3 sup sub 3 sub Silicon Si Hydroxyl OH , an organosilicon compound. Upon exposure, the trimethylsilane compound bonds to the silica particles while forming water. The exteriors of the sand grains are thus coated with Hydrophobe hydrophobic groups. Magic sand was originally developed to trap ocean oil spill s near the shore. This would be done by sprinkling Magic sand on floating petroleum, which would then mix with the oil and make it heavy enough to sink. However, due to the expense of production, it is not being used for this purpose. It has also been tested by utility companies in the Arctic areas as a foundation for junction boxes, as it never freezes. It can be also used as an aerating medium for potted plants. Magic sand is made in blue, green, or red in colors but appears silvery in water because of a layer of air that forms around the sand. Earliest reference to waterproof sand can be found in a 1915 book called The Boy Mechanic Book 2 put out by Popular Mechanics. The Boy Mechanic states waterproof sand was invented by East Indian magicians. The sand was made by mixing heated sand with melted wax. The wax would repel the water when the sand was exposed to water. ref cite author G. Lee, Leonard Publisher title The Boy Mechanic Book 2, 1000 Things For A Boy To Do. Algrove Publishing Classic Reprint Series originally published in 1915. date 1999 ref References Reflist External links http portal.acs ... more details
Orphan date March 2011 Verde Pulgar is a green thumb http en.wiktionary.org wiki have a green thumb software application Software application concept that will better assist the user in understanding proper yard and garden maintenance. Intended to help homeowners and to assist qualified landscapers gardeners in protecting and enhancing the appearances of yards and landscaping. Originally intended for use with the iPhone operating system Operating system , users will have access to the necessary tools that will better help them make correct decisions regarding the care for plants and lawns. The green thumb application will utilize the GPS capabilities built into the iPhone to identify the best grass seed, fertilizer and other products for users specific planting zones. This application also assists the user in determining appropriate techniques and maintenance schedules for overseeding, aerating, balance PH, etc. Verde Pulgar aids homeowners as well as professional landscapers and gardeners in maintaining the health and appearance of lawns and landscaping. Once the application is loaded in the iPhone, the user would able to communicate directly with specialist on general and specific topics. Also available is a reminder option that references local weather forecasts in ascertaining the optimal times for watering and seasonal treatments. Originally designed to assist landscapers in proper planting strategies, G.E.A.N or Jean Geographical Environment Agricultural Navigation technology identifies correct locations, regions and placement of particular plants that would be conducive to the surrounding environment. Achieved by using geographical see also geography location technology along with Global Positioning System technology in identifying weather zones recommending particular plants, seeds, and maintenance techniques. Principal outline and theory is a product of developer Michael Webb. Designed to optimize the efficiency of product and material use during landscapin ... more details
Refimprove date June 2010 Image Forth Worth Water Gardens 2003.jpg 250px thumb Fort Worth Water Gardens Image Fort Worth Water Garden.jpg 250px thumb Fort Worth Water Gardens The Fort Worth Water Gardens , built in 1974, is located on the south end of downtown Fort Worth, Texas Fort Worth between Houston and Commerce Streets next to the Fort Worth Convention Center . The 4.3 acre 1.7 hectare Water Gardens were designed by noted New York City New York architects Philip Johnson and John Burgee and were dedicated to the City of Fort Worth by the Amon G. Carter Foundation. The urban park is frequently billed as a cooling oasis in the concrete jungle of downtown. Its focal points are three pools of water and a terraced knoll, which helps to shield the park from adjacent Interstate 30 . The quiet meditation pool is encircled with trees and features a flat, still plane of water that cascades almost 90 degrees down to a sunken walkway. The aerating pool features multiple spray fountains. The main attraction of the Water Gardens is the active pool which has water cascading 38 feet 11 m down terraces and steps into a small pool at the bottom. The park also contains over 500 species of plants and trees. The active pool was originally built for people to be able to walk down the terraced steps and experience the water tumbling around them. It was temporarily closed to the public after four people died there on June 16, 2004. Three children and one adult drowned after one of the children fell in the pool. The water was unusually deep due to a recirculating pump malfunction and heavy rains. The park was reopened on March 4, 2007 after being made safer by reducing the depth of the main pool from convert 9 ft m abbr on to convert 2 ft m abbr on . Part of the film Logan s Run 1976 film Logan s Run was filmed in the active pool at the Water Gardens in July 1975 ref http www.snowcrest.net fox loganmovie logmov2 06.html Logan s Run shooting schedule , p. 6, retrieved from Logan s Run S ... more details
For the hill in Virginia Mole Hill Virginia Wiktionary unreferenced date July 2008 Image Taupini re mole hill.JPG thumb 180px A molehill Image Molshopen in weiland.jpg thumb 180px Several lines of molehills in the pasture . Image Molehill trail.JPG thumb 180px Trail of molehill at Kasori Midden Shell middens shell midden , Chiba, Chiba Chiba city, Japan 2008 October, 13 A molehill or mole hill , mole mound is a conical mound of loose soil raised by small burrow ing mammal s, including mole animal mole s, but also similar animals such as mole rat s, marsupial mole s and vole s. They are often the only sign to indicate the presence of the animal. Molehills are waste material from digging or repairing burrows, and so are usually found where the animal is establishing new burrows, or where existing ones are damaged for example by the weight of grazing livestock . Where moles burrow beneath the roots of tree s or shrub s, the roots support the tunnel, and molehills are less common, and so even a dense population of the animals may be inconspicuous in these places. Molehills commonly occur in lines along the route of the burrow, but in some cases they may not be directly above the burrow itself but at the ends of short side tunnels. The mole runs vary in depth from surface runs only a few inches deep, to main runs, some 12 to 18 inches deep ref http www.pest management.co.uk Moles.htm. ref Molehills are sometimes used as a source of fine soil for use in gardening . Particularly they are valued by some practicians of permaculture for the fine potting soil produced by the moles claws. Molehills have an important benefit to soil by aerating and tilling it, adding to its fertility. ref cite web url http www.ext.vt.edu pubs wildlife 420 201 420 201.html title Managing Wildlife Damage Moles accessdate August 13, 2008 author Parkhurst, Jim publisher Virginia Cooperative Extension ref However, they may cause damage to gardens and areas of grass such as golf course s , and represe ... more details
refimprove date June 2008 File Bundesarchiv Bild 102 09247, Berlinerin im Schaumbad.jpg right thumb A woman in a bubble bath Berlin , February 1930 . The term bubble bath can be used to describe aeration aerated or carbonated baths, or to describe bathing with a layer of surfactant foam on the surface of the water and consequently also the surfactant product used to produce the foam. Aerated and carbonated baths & 150 bubbles in water Bubbles in the water can be produced either by aerating it mechanically in some cases using jets that also move the water using equipment installed permanently or temporarily in a bathtub, hot tub , or pool, or by producing gas in the water in a bathtub through the use of effervescent solids. The latter can come as small pellets known as bath fizzies or as a bolus known as a bath bomb , and they produce carbon dioxide by reaction of a bicarbonate or carbonate with an organic acid. Bath fizzies are infeasible as liquids because of the inability to keep the mixture from reacting prematurely. This is a distinction from foam bath see below preparations, which may be supplied as liquids or solids. When the term bubble bath is encountered on the Internet referring to a gas infused bath or pool, it is more often by a non native user of English who may not be aware of its use to refer to foam baths see below . In other languages the distinction is more likely to be kept by use of different words. Foam baths & 150 bubbles on top of water Image Three ducks in the tub.jpg 180px thumb Three rubber ducks in foam bath Bubbles on top of the water, less ambiguously known as a foam bath see photo , can be obtained by adding a product containing foaming surfactants to water and temporarily aerating it by agitation often merely by the fall of water from a faucet . The practice is popular for personal bathing because of the belief that it cleanses the skin http avonshop.co.uk product bath and bodycare bath strawberry sorbet bubble bath 1 litre.html?newdep ... more details
Infobox Golf Facility golf facility name Harbour Town Golf Links image imagesize caption location Hilton Head, South Carolina , br flagicon USA United States establishment 1967 type Public owner name of organization company operator name of organization company holes 18 tournaments The Heritage PGA Tour The Heritage website http www.seapines.com golf harbour town golf.cfm Harbour Town Golf Links at Sea Pines resort course1 designer1 Pete Dye and Jack Nicklaus par1 71 length1 6,973 yards rating1 75.2 146 record1 course2 designer2 par2 length2 rating2 record2 course3 designer3 par3 length3 rating3 record3 course4 designer4 par4 length4 rating4 record4 The Harbour Town Golf Links is a golf course that hosts The Heritage PGA Tour The Heritage golf tournament on the PGA Tour , usually held in April. The course is located in the Sea Pines Plantation of Hilton Head Island, South Carolina Hilton Head Island , in Beaufort County, South Carolina Beaufort County of South Carolina . Golf Magazine has rated the course 1 in the state of South Carolina. The course opened in 1967, with Pete Dye as the architect with help from Jack Nicklaus . The course, along with the Ocean and Heron Point formerly Sea Marsh courses, makes up the Sea Pines Resort . General information The course is open all year, even during overseeding in October and the aerating of the greens in June, July, and August. Guests are allowed to play the course, however everyone must have a tee time. Tee times are accepted online through the course s website. The earliest tee time accepted is for 7 00 12 hour clock A.M. North American Eastern Time Zone Eastern Time . The dress code states that denim is not allowed and that bermuda shorts and a collared shirt must be worn. Metal spiked shoes are not allowed. An estimated 38,000 rounds of golf are played at Harbour Town every year. The fairways are Bermuda grass, and the greens are Tifeagle. In 2007 Golf Digest ranked Harbour Town Golf Links as the 15th best public cour ... more details
Refimprove date February 2007 Sequencing batch reactors SBR or sequential batch reactors are industrial processing tanks for the treatment of wastewater . SBR reactors treat waste water such as sewage or output from anaerobic digester s or mechanical biological treatment facilities in batches. Oxygen is bubbled through the waste water to reduce biochemical oxygen demand BOD and chemical oxygen demand COD to make suitable for discharge into sewers or for use on land. While there are several configurations of SBRs the basic process is similar. The installation consists of at least two identically equipped tanks with a common inlet, which can be switched between them. The tanks have a flow through system, with raw wastewater influent coming in at one end and treated water effluent flowing out the other. While one tank is in settle decant mode the other is aeration aerating and filling. At the inlet is a section of the tank known as the bio selector. This consists of a series of walls or baffles which direct the flow either from side to side of the tank or under and over consecutive baffles. This helps to mix the incoming Influent and the returned activated sludge , beginning the biological digestion process before the liquor enters the main part of the tank. Treatment Stages There are five stages to treatment p 1. Fill p 2. React p 3. Settle p 4. Decant p 5. Idle p Aeration of the mixed liquor is performed during the first two stages by the use of fixed or floating mechanical pumps or by transferring air into fine bubble diffusers fixed to the floor of the tank. During this period the inlet valve to the tank is open and a returned activated sludge pump takes mixed liquid and solids mixed liquor from the outlet end of the tank to the inlet. This seeds the incoming sewage with live bacteria. Removal of Constituents Aeration times vary according to the plant size and the composition quantity of the incoming liquor, but are typically 60 90 minutes. The addition of oxygen t ... more details
thumb Aerating roots of a mangrove File Root tip.JPG thumb The growing tip of a fine root File Socratea ... system. Aerating roots or knee root or knee or pneumatophores or Cypress knee roots rising above ... more details
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