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JP3697468 |
To keep oil-adsorption function stable without spoiling the function and hindering oil-passing inside caused by falling a large amount of bark having a length of specified value. Bark 2, from several mm to several cm in length, is put in...
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JP2005185970 |
To provide a method and an apparatus for improving the quality of water, which allow the quality of water to be improved by restraining algae from propagating themselves in a closed water area by simple constitution without using ozone e...
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JP3697057 |
To prevent contamination of seawater by receiving fluid materials to be dropped from a detached conveying pipe by a float-type fluid receiving body in the case where a ship is left separated from a quay and the conveying pipe is detached...
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JP2005171721 |
To provide a floating fence of a sea bathing resort, easy in disassembling and assembling, and preventing a jellyfish, driftwood and dust-dirt from intruding from clearance between a float and a net.A belt-like net assembly 2 is formed b...
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JP2005137956 |
To provide a floating water purifier which controls or prevents the growth of floating algae, such as microcystis, growing in a reservoir, a lake, an irrigation pond, or an agricultural pond located especially near a city.In a floating w...
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JP2005139736 |
To provide an oil adsorption mat connection body which solves the problem of unrecoverability of oil absorption mats thrown onto the sea to adsorb oil, due to sinking of the mats in the sea, and ensures recovery of the entire mats thrown...
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JP2005125227 |
To provide an apparatus and a method for preventing eutrophication in a closed water area using aquatic plants which are effective even in a comparatively large storage reservoir, such as a dam reservoir and can effectively use the grown...
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JP2005120582 |
To provide a facility for controlling the inflow of contaminated water into a dam which is for use when the contaminated water temporarily flows into an artificial lake, and easily controls the contaminated water so as not to flow toward...
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JP2005113473 |
To provide a pollutional diffusion preventive film for preventing damage by reducing hydraulic pressure applied to a curtain part, and preventing diffusion of polluted water to a downstream area by guiding flowing water of high dirtiness...
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JP2005103506 |
To provide a method for cleaning a water catchment area by easily and effectively removing water contamination due to proliferation of phytoplankton in the catchment area such as lake, bog or pond at low cost.An insoluble, settleable fib...
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JP2005095773 |
To construct a water path contributing to water purification and environmental conservation with a convenient method.The combined type water purification structure is constituted in such a manner that a storage body is formed of water-pe...
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JP3665038 |
To provide a rubber bag and its manufacturing method in which the rubber bag is even in its inner rubber layer thickness by preventing a mold releasing sheet inserted and an inner uncured rubber layer from getting out of place during the...
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JP2005087841 |
To provide a method of recovering water-containing high viscosity oil that flows out on water surface and of performing oil separation, and to provide an apparatus therefor.A mixture 54 of water/heavy oil type emulsion and heavy oil/wate...
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JP2005089978 |
To provide a small, lightweight device capable of easily recovering outflow oil.A part of an oil layer 5 floating on the water surface is isolated from the water surface, and a high pressure water jet J is applied to the isolated oil 5d ...
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JP2005074383 |
To provide an oil adsorbent material with which the effective utilization of natural resources is attained using an inexpensively and largely obtainable bamboo/bamboo grass as the raw material, and which has excellent adsorbing performan...
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JP3658187 |
To improve the shape retainability of a plate for press-charging a fluid thereinto and enhance the sealability of the plate in its surface layer member. This plate 11 for press-charging a fluid thereinto is provided with a pair of surfac...
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JP3658139 |
To provide a plate for press-charging a fluid therein, improved in shape retainability, having a strength capable of resisting to the pressure of the fluid, and thereby capable of surely forming a necked portion. The peripheral edges of ...
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JP2005068930 |
To provide a pollution diffusion preventive device easy in handling, improving safety of work, and reducing costs of the work.This pollution diffusion preventive device 1 has a frame-shaped float part 2, and a pollution preventive film 3...
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JP2005052751 |
To recover a suspended matter in a wide water area with a simple device configuration.A floating ring 2 is installed around a water-intake part 1 floating on a water pond and communicating with a pump. Gas is jetted out from a piping 7 o...
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JP2005048465 |
To preferably prevent diffusion to the peripheral sea area by adding a flocculant after once pumping up turbid sea water and promoting the reaction of the flocculant, adjusting into a most effective developing property, throwing it into ...
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JP2005040794 |
To provide water storage equipment provided with a water storage pond having a structure of being laid under the ground and water face covering structures covering the water face of the water storage pond to shield sunlight, therefore, p...
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JP2005040705 |
To provide a float type air diffusion device capable of being installed inexpensively in a short time, hardly damaged by the collision with floating matter and not causing the lowering of circulation efficiency.The float type air diffusi...
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JP2005034793 |
To provide an erosion prevention method of a red soil or the like for reducing a red soil contamination phenomenon making the sea of a beautiful coral reef muddy due to the erosion of the soil from a development site, farm land, US force...
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JP3644523 |
To clean water in a polluted water area by constituting 'hollow of water area' to transmit solar rays to a deep layer or the bottom of the water and to supply a large amt. of dissolved oxygen by accelerating photosynthetic action in the ...
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JP2005030161 |
To provide a floating material removal apparatus formed in a simple structure at a reduced cost, capable of flowing floated materials floating on a water surface on the upstream side of a gate disposed in a water channel to the downstrea...
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JP2005013880 |
To suck and recover oil floating on the water surface at a high concentration by using a negative pressure generated around a high-speed jet stream by noticing the principle of a tornado.A vacuum suction oil recovery system is a system f...
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JP2005000784 |
To clean a closed water area further economically, efficiently and energy-savingly by simply constituting a mechanism necessary for denitrification and dephosphorization measures by combining an aerobic condition and anaerobic condition ...
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JP2005000756 |
To provide a floating matter cleaning apparatus which can reduce cost necessary for cleaning by cleaning the apparatus at the site without conveying the floating matter or contaminants into the outside or without collecting a floating de...
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JP3632000 |
To provide an inflow adjusting fence for improving water quality, which makes buoyancy act on an uppermost float 1 so as to locate the uppermost float 1 at an upper end of a guide wire 7 or 7, and puts an upper fence f1 into a stretched-...
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JP3631419 |
To provide a cleaning method and an apparatus capable of cleaning eutrophic water area efficiently and at low cost. A water take-in pipe 2 for sucking water of the surface layer of the water area, a filter 3 for removing phytoplankton an...
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JP2004351279 |
To provide an oil recovery apparatus for recovering oil floating on water surface in which the stagnation of oil near an oil collection port is reduced resulting in increase in an oil recovery rate and reduction in maintenance work and t...
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JP2004348265 |
To provide a method, a program and an apparatus for performing a simulation of variations in oil for improving accuracy and a processing speed of the whole of the simulation.A simulation condition is determined (step 1). An area is divid...
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JP2004344836 |
To provide an oil recovery material used for recovering oil discharged into a water area by an accident, illegal disposal or the like which can efficiently and selectively absorb the oil while floating on the water surface over which the...
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JP3619563 |
PURPOSE: To provide such an oil fence winder as being capable of eliminating troublesome work with energy wasted by a foot brake pedal, required in the past, and performing fully automatic oil fence winding/unwinding work and stable oper...
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JP2004298788 |
To provide a tank having such a separation mechanism that an objective high-quality uniform liquid can be obtained by efficiently separating the objective liquid from the liquid which is to be treated and contains an impurity component o...
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JP2004283334 |
To effectively collect and submerge and wither floating algae such as water bloom for waste disposal by generating a circulation flow on surface water around many wave dissipating devices existed or newly installed on the water surface f...
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JP3604675 |
To provide an oil adsorbent which is strong and does not lower the bouyancy by solving such a problem that the conventional oil fence is susceptibly injured because the cloth bag is exposed, the packed material leaks out when the oil fen...
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JP2004278198 |
To provide an effluent oil diffusion preventing method which can prevent the diffusion of effluent oil, beginning with the settling of the same.The effluent oil diffusion preventing method is implemented by releasing a number of buoyancy...
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JP2004278192 |
To extend the life of a device for preventing diffusion of contamination in water.In the device for preventing diffusion of contamination in water, a joint means 8 for connecting between opposed portions 7, 7 of the adjacent diffusion pr...
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JP2004261642 |
To provide a method for preventing the pollution by algae of water in a water area flowing into a water intake passage, and a water stream cutoff fence used for the pollution prevention.According to the method for preventing the pollutio...
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JP2004263371 |
To provide an effective suppression method for algae without giving bad influence on an ecosystem.The suppression method for the algae is characterized by shading the light of the water area 4 wherein the algae are accumulated. There are...
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JP2004257067 |
To improve a throwing carry and controllability by allowing throwing still in a folding-up state.A restorable spring material is arranged along the peripheral edge of an oil adsorbing mat. Thus, the oil adsorbing mat is doubly folded, or...
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JP2004257068 |
To lengthen a carry; and to enhance controllability of throwing by allowing the throwing to an objective place in a state of folding up or rounding a mat.A water absorptive expandable tube is installed along the outer peripheral edge of ...
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JP2004230249 |
To provide an oil-water separation unit which can be handily, simply and easily set for adsorbing/removing discharged oil-containing waste water or oil floating on water in an outflow accident of crude oil, or the like, and which can be ...
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JP2004225475 |
To provide a floating matter removal device capable of efficiently removing a floating matter in the vicinity of the surface of the water such as a dam or the like while having a simple constitution.The floating matter removal device inc...
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JP2004223427 |
To provide a rubbish treating apparatus which can be applied to a wide channel and has improved durability and treatment efficiency.Fixed bar screens 45 are constituted so that the front sides 45a take a nearly linear shape or a minor ax...
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JP2004218241 |
To enhance the function as a throwaway oil recovering material by enhancing a shape keeping property and sucking capacity of lipophilic fiber for sucking oil.An oil absorptive powder gelling agent mat is interposed between superposed two...
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JP2004204525 |
To provide a floating and sinking type pollution diffusion preventing apparatus easy to handle and capable of draining as well as floating and sinking a plurality of float parts by supplying and exhausting air from one part.A main pipe 4...
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JP2004204594 |
To provide an automatic inflatable fence and a fence unit suitable for the constitution of the fence allowing the use of a light airplane like a helicopter for work.This automatic inflatable fence is formed of a chain of a plurality of a...
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JP2004204609 |
To provide a membrane structure submerged dike capable of preventing the diffusion of polluted water in the area of the sea by a submerged dike, making sure of wave dissipation and reduction of the velocity of a current and, at the same ...
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