Abstract: A fluid flow channel device includes a main body and a non-ceramic sub-body. The main body has a plurality of internal flow channels, and inlets and outlets thereof are arranged so as to be exposed on an outer side surface. The sub-body has a fluid supply path and a fluid recovery path. A supply port of the fluid supply path is arranged to face the inlets of the plurality of internal flow channels. A recovery port of the fluid recovery path is arranged to face the outlets of the plurality of internal flow channels. By disposing the supply port and the recovery port for transferring the fluid to and from the plurality of internal flow channels in the sub-body, it is possible to prevent a large thermal stress from being applied to the main body.

Abstract: A method for bonding two plates together for a fuel cell, wherein the method comprises applying an adhesive to the surface of at least one of the plates and pressing the two plates together with the adhesive in between. The adhesive contains a mixture in the range of 0.01% to 30% PVDF and a solvent, and optionally a surfactant.

Abstract: An embodiment relates to a sheet comprising an acrylic resin layer and a fluorinated polymer resin layer directly formed on one surface of the acrylic resin layer; a laminated steel plate comprising the sheet; and a manufacturing method therefor.

Abstract: A production method for a fuel cell separator comprises the steps of providing a powder blend of at least 70% carbon powder, 0.5-5% PTFE, PolyTetraFluoroEthylene, and 0-20% thermoplastic polymer different from PTFE. The powder is sedimented as slurry in a suspension, excess liquid removed from the slurry, and the remaining slurry press-moulded into a shape of a separator plate, for example for use in a fuel cell stack.

Abstract: A fuel cell system (1) comprising a fuel cell (2), a liquid fuel supply (3) for providing liquid fuel, an evaporator (6) for evaporating the liquid fuel to fuel vapor, a reformer (7) for catalytic conversion of the fuel vapor to syngas for the fuel cell and a burner (8) for heating the reformer (7). The burner (8) comprises a catalytic monolith (21) down-stream of a mixing chamber (31) in which air is mixed with evaporated fuel or rest gas prior to entering the monolith (21). The mixing chamber (31) is surrounded by a sleeve (23), which comprises a plurality of openings (29A, 29B) around the mixing chamber (31) for supply of fuel vapor through the openings (29A, 29B) in the startup phase and for supply of rest gas through the openings (29A, 29B) during normal operation. Optionally, a heat exchanger (17) is provided between the burner (8) and the reformer (7) for reducing the temperature of the exhaust gas from the burner (8) before it reaches the reformer (7).

Abstract: Provided are an electron donor that is easy to handle and can be used to carry out a coupling reaction economically and efficiently through simple operations under mild conditions in a short period of time, and a method for synthesizing 4,4?-bipyridine using the electron donor. The electron donor includes a mixture of a dispersion product obtained by dispersing sodium in a dispersion solvent and 1,3-dimethyl-2-imidazolidinone, and this electron donor is used in the method for synthesizing 4,4?-bipyridine.

Abstract: There is a demand for the development of a technique according to which sodium 2,2,6,6-tetramethylpiperidides (Na-TMPs) can be economically and efficiently synthesized through simple operations including a small number of steps under mild conditions in a short period of time. Also, there is a demand for the development of a technique according to which high-quality Na-TMPs that do not contain lithium or lithium compounds such as Li-TMP can be synthesized. The method for synthesizing sodium 2,2,6,6-tetramethylpiperidides includes a step of obtaining sodium 2,2,6,6-tetramethylpiperidides by reacting, in a reaction solvent, 2,2,6,6-tetramethylpiperidines with a dispersion product obtained by dispersing sodium in a dispersion solvent or an organosodium compound having an aromatic ring obtained through a reaction with a dispersion product obtained by dispersing sodium in a dispersion solvent.

Abstract: A target bipyridine compound is synthesized with high purity and a high yield in a simple and safe manner in a short period of time. A method for synthesizing a di-tert-butyl-2,2?-bipyridine compound is provided, and the method includes a step of reacting, in a reaction solvent, a tert-butylpyridine compound with a dispersion product obtained by dispersing an alkali metal in a dispersion solvent. A method for synthesizing a bipyridine compound having no substituents is also provided, and the method includes a step of reacting, in a reaction solvent, pyridine with a dispersion product obtained by dispersing an alkali metal in a dispersion solvent.

Abstract: A production method for a fuel cell separator comprises the steps of providing a powder blend of at least 70% carbon powder, 0.5-5% PTFE, PolyTetra-FluoroEthylene, and 0-20% thermoplastic polymer different from PTFE. The powder is sedimented as slurry in a suspension, excess liquid removed from the slurry, and the remaining slurry press-moulded into a shape of a separator plate, for example for use in a fuel cell stack.

Abstract: An apparatus includes a base, a body coupled to the base and having slopped sidewalls, and imprinted glass marbles carried by the body. Each imprinted glass marble is configured to transmit terahertz frequencies from 300 GHz to 3 THz. The slopped sidewalls direct the transmitted terahertz frequencies above the body.

Abstract: An aqueous composition for cleaning surfaces, for removing coatings from surfaces, or for plasticizing or softening coatings or other surface-adhered materials prior to stripping or mechanical removal thereof from the surface, comprises a trialkyi or triaryl phosphate, a dibasic or tribasic carboxylic acid ester, and greater than 80% by weight of water. The composition is useful in removing grease, waxes, oil, resins, tar, ink, magic marker ink, paint (including spray-paint), varnish, lacquer, stains (including wood staining compositions applied to a wooden surface), dirt, mold or foodstuffs from surfaces.

Abstract: Provided are microalgae of the genus Euglena that fall under Euglena gracilis strain EOD-1 (Accession No. FERM BP-11530) or its mutant strain and that are capable of producing at least polysaccharides. Further provided is a method for producing polysaccharides including: culturing microalgae of the genus Euglena that fall under Euglena gracilis strain EOD-1 (Accession No. FERM BP-11530) or its mutant strain and that are capable of producing at least polysaccharides as polysaccharide-producing organisms to produce the polysaccharides. Further provided is a method for producing an organic compound including: culturing microalgae of the genus Euglena that fall under Euglena gracilis strain EOD-1 (Accession No. FERM BP-11530) or its mutant strain and that are capable of producing at least polysaccharides to produce at least one organic compound selected from the group consisting of polysaccharides, lipids, vitamin C, vitamin E, pigments, and proteins.

Abstract: An underground water-storage system that includes a sump having a base and sidewalls that cooperate to define an open-topped box that defines a reservoir, a plurality of plastic water matrices each defining a void space for receiving water, and a lid. The sump and lid are formed of a reinforced geomembrane material and include welds and are prefabricated in a location remote from an installation site of the underground water-storage vault more than two days prior to installation.

Abstract: An underground water-storage system that includes a sump having a base and sidewalls that cooperate to define an open-topped box that defines a reservoir, a plurality of plastic water matrices each defining a void space for receiving water, and a lid. The sump and lid are formed of a reinforced geomembrane material and include welds and are prefabricated in a location remote from an installation site of the underground water-storage vault more than two days prior to installation.

Abstract: Provided is a dehumidifier including an adsorption column allowing a to-be-treated gas produced by electrolysis of water to circulate therethrough so as to allow moisture in the to-be-treated gas to be adsorbed therein, wherein the adsorption column includes an adsorbent capable of adsorbing moisture, a column body having a housing region containing the adsorbent, and a heating unit arranged within the column body and capable of heating the adsorbent so as to cause desorption of the adsorbed moisture from the adsorbent, and the column body is a tube having a bent portion.

Abstract: Provided is a dehumidifier including an adsorption column allowing a to-be-treated gas produced by electrolysis of water to circulate therethrough so as to allow moisture in the to-be-treated gas to be adsorbed therein, wherein the adsorption column includes an adsorbent capable of adsorbing moisture, a column body having a housing region containing the adsorbent, and a heating unit arranged within the column body and capable of heating the adsorbent so as to cause desorption of the adsorbed moisture from the adsorbent, and the column body is a tube having a bent portion.

Abstract: The present invention provides a biological treatment method of biologically treating the subject water containing phenol, thiocyanate and the like, which improves the quality of treated water, while suppressing a reduction in treatment efficiency. As a means for achieving the aforementioned object, the present invention relates to a biological treatment method including introducing subject water containing a COD component, wherein the COD component is at least one of phenol and thiocyanate, into a biological treatment tank containing sludge containing bacteria capable of decomposing the COD component to thereby biologically treat the COD component with the bacteria, wherein, before the introduction of the subject water into the biological treatment tank, a step of counting the total number of bacteria contained in the sludge is carried out, so that the amount of the COD component loaded on a single bacterium per unit time can be controlled within a predetermined range.

Abstract: Provided is a fluidized bed furnace for heating waste to extract a combustible gas from the waste, including: a plurality of wind boxes arranged on a lower side of a bottom wall of a furnace body to blow a fluidizing gas into the fluidized bed; a plurality of temperature detection sections disposed at respective positions allowing detection of temperatures of an upper position and a lower position vertically spaced in a first region, and allowing detection of temperatures of upper and lower positions vertically spaced in a second region; and a control section operable, based on the temperatures detected by the temperature detection sections, to adjust an air ratio of the fluidizing gas to be fed to each of the wind boxes, so that the temperature of the fluidized bed is raised in a direction from the first region toward the second region.

Abstract: An object is to provide a fresh water generating apparatus that is capable of efficiently and stably producing fresh water. Provided is a fresh water generating apparatus equipped with a seawater-treating reverse osmosis membrane device that produces fresh water from seawater by a reverse osmosis membrane, including a mixing section that mixes wastewater as dilution water with seawater to produce mixed water, and a first seawater-treating reverse osmosis membrane device that acts as the seawater-treating reverse osmosis membrane device to filter the mixed water, in which the apparatus is configured so that used water that is wastewater resulting from the use of the produced fresh water as service water is mixed as dilution water with seawater at the mixing section.

Abstract: It is an object to provide a method and an apparatus for recovering indium, the method and apparatus ensuring that it is unnecessary to recover indium in the form of indium hydroxide, indium can be recovered easily by a filter or the like without handling inferiors and also, the recovery rate of indium is greatly improved. The method includes immersing a precipitation-inducing metal which includes zinc and is made into the form of a solid such that any part coming into view three-dimensionally has a longitudinal length of 2.5 to 10 mm in an etching waste solution containing at least indium and ferric chloride and allowed to stand, thereby allowing indium contained in the etching waste solution to precipitate on the surface of the precipitation-inducing metal based on a difference in ionization tendency between zinc and indium, and detaching the indium precipitated on the surface of the precipitation-inducing metal to recover it.