摘要:
A method for producing L-cysteine and/or L-cystine which comprises:A. holding 2-amino-thiazoline-4-carboxylic acid in an aqueous solution at a pH of 5 to 11 in the presence of an effective amount of enzyme produced by a microorganism; said enzyme being capable of converting the 2-amino-thiazoline-4-carboxylic acid to L-cysteine and/or L-cystine, and said microorganism being capable of growing in a medium containing 2-amino-thiazoline-4-carboxylic acid as a nitrogen source; andB. recovering the L-cysteine and/or L-cystine formed from said aqueous solution.
摘要:
The present invention relates to a resin paste composition including an organic compound, and a granular aluminum powder having an average particle diameter of from 2 to 10 μm and a flake-shaped silver powder having an average particle diameter of from 1 to 5 μm which are uniformly dispersed in the organic compound, and a semiconductor device manufactured by bonding a semiconductor element onto a supporting member through the resin paste composition and then encapsulating the resulting bonded product. According to the present invention, it is possible to provide a resin paste composition used for bonding an element such as semiconductor chips onto a lead frame which is excellent in not only electrical conductivity and bonding property but also working efficiency without using a large amount of rare and expensive silver, and a semiconductor device having a high productivity and a high reliability.
摘要:
A process for producing inorganic spheres, which comprises injecting an aqueous liquid containing an inorganic compound into a laminar flow of an organic liquid which runs at a flow rate of from 0.001 to 2 m/s in a flow path through a porous membrane to form a W/O type emulsion and solidifying the aqueous liquid containing an inorganic compound in the W/O type emulsion.
摘要翻译:一种无机球体的制造方法,其特征在于,将含有无机化合物的水性液体在通过多孔膜的流路中以0.001〜2m / s的流量流入有机液体的层流中,形成 W / O型乳液,并且在W / O型乳液中固化含有无机化合物的含水液体。
摘要:
A conduit structure for molten glass, a conduit system for molten glass, a vacuum degassing apparatus and a method for vacuum-degassing molten glass by use of the vacuum degassing apparatus, which are capable of effectively removing components eluted from a refractory brick forming a conduit for molten glass, foreign substances generated in the interface between molten glass and a platinum wall surface forming a conduit for molten glass, a bubble remaining in a surface layer of molten glass, a glass material denatured by volatilization, and the like, are provided.A conduit structure for molten glass, which is formed of a hollow pipe made of platinum or a platinum alloy, includes a double-pipe structure disposed in at least a downstream portion of the conduit structure, the double-pipe structure being formed of an inner pipe and an outer pipe; the inner pipe having an upstream end and a downstream end formed as open ends; the outer pipe having a downstream end formed as a closed end in a region located in a gap between the inner pipe and the outer pipe and as an open end in a region located in the inner pipe in the double-pipe structure; the conduit structure having an upstream end formed as an open end; and the outer pipe having an opening formed in a portion close to the downstream end thereof.
摘要:
A cable includes an elastic member extendable and compressible in a first direction and a first conductor having a meandering portion embedded in the elastic member. The meandering portion meanders within the elastic member and extends in the first direction. It is preferable that a plurality of coating members are arranged in parallel in the first direction and coupled to a surface of the elastic member. In addition, it is preferable that each of the coating members is harder than the elastic member.
摘要:
To provide a core-shell silica having a high sphericity and a narrow particle distribution and a method for easily producing the core-shell silica.A method for producing a core-shell silica, which comprises a step of dispersing substantially non-porous silica core particles having a sphericity of at least 0.8 and a coefficient of variation of at most 0.2 in a dispersion medium containing an alcohol and water in the presence of a surfactant to prepare a dispersion; a step of adding a silica material to the dispersion and reacting the silica material under a condition of pH of from 8 to 13 to form a shell precursor containing silica and the surfactant on the surface of each silica core particle; and a step of removing the surfactant from the shell precursor to form a porous shell.
摘要:
A hatchback door structure a vehicle, which comprises: an inner panel which is arranged on an inner side of the vehicle; and an outer panel which is arranged on an outer side of the vehicle, wherein the inner panel comprises: a frame which has a shape outlining an outer shape of a hatchback door, wherein a window frame on which a window glass is mounted is formed in an upper portion of the frame and a locking device fixing portion for fixing a locking device is formed on a bottom of the frame; and a V-shaped stiffening frame which is integrally formed with the frame and extends from both a bottom left corner and a bottom tight corner of the window frame to the locking device fixing portion, wherein the V-shaped stiffening frame protrudes toward the outer panel from an inner side contour of the frame with respect to the vehicle.
摘要:
A rear part structure of a vehicle is disclosed which includes a groove formed in a longitudinal direction of the vehicle at a junction portion of a roof panel and a side frame of the vehicle and in which a hinge is attached for a tailgate to be installed at a rear part of the vehicle. The hinge includes a hinge base member attached into the groove, a gate hinge member attached to the tailgate which is pivotally attached to the hinge base member, and a cover which is fitted in the groove to conceal the hinge base member from view.
摘要:
A method for precisely producing a polyether having a relatively high molecular weight by means of a double metal cyanide complex catalyst is provided. A method for continuously producing a polyether, which comprises ring opening addition polymerization of an alkylene oxide in the presence of a double metal cyanide complex catalyst, wherein substantially no vapor phase part is present in a reactor.
摘要:
An opening switch for an opening and closing body includes a switch base having a first substrate and a second substrate which are put together in a manner such that inner faces of the substrates face each other and outer faces of the substrates are outer faces of the switch base; a main switch body provided on the outer face of the first substrate; a lever portion which is provided on the inner face of the first substrate and passes the second substrate through a through hole; and a flange portion for preventing an over stroke of the lever portion. The flange portion protrudes from the outer face of the second substrate and is positioned away from the lever portion and on a side toward which the lever portion is inclined. A flexible cover member for covering a combined body of the lever portion and the flange portion is provided.