Abstract:
A fluidized-bed combustion system for a boiler, a heating furnace for heating steels or the like, in which a plurality of gas distribution pipes are disposed at the bottom of the combustion chamber. The lower end of each gas distribution pipe is communicated with an air supply line with an air flow rate control valve and a fuel supply line with a fuel flow rate control valve and the air and fuel admitted into the gas distribution pipe are mixed within the same and the air and fuel mixture is injected or sprayed into the fluidized bed through injection ports of the gas distribution pipe which are positioned adjacent to the bottom of the fluidized bed, whereby the complete combustion within the fluidized bed can be ensured and the combustion can be controlled over a wide range and optimized depending upon a load.
Abstract:
A semiconductor memory device is provided which includes a first transistor (TR1) having its emitter grounded, a second transistor (TR2) having its base and collector connected to the collector and base of the first transistor (TR1) and its emitter grounded, a data line (DL), and a third transistor (TR5) having its emitter-to-collector path connected between the data line (DL) and the base of the second transistor (TR2). The semiconductor memory device further includes a fourth transistor (TR6) having its base connected to another collector of the second transistor (TR2) and a fifth transistor (TR7) having its emitter-to-collector path connected between the base of the fourth transistor (TR6) and the row select line. Data is written through the data line (DL) and third transistor (TR5) and stored data is read out of the collector of the fourth transistor according to the conduction state of the second transistor (TR2).
Abstract:
Method and apparatus for compensating for local temperature difference of a steel product which has been previously heated above room temperature because of the preceding operation such as rolling and which is to be heat-treated. Upper, lower and edge burners are arranged in opposed relationship with a path of travel and are selectively ignited depending upon the surface temperature distribution of the steel product detected before it enters the apparatus, in such a way that the steel product is heated uniformly to a desired temperature.
Abstract:
A sized cellulosic fiber-containing yarn having an excellent weaving property and processing property is provided by sizing, in a non-aqueous medium, with a copolymer prepared by copolymerizing 20 to 80% by weight of at least one monomer selected from the group consisting of methyl methacrylate, styrene and acrylonitrile and 80 to 20% by weight of at least one monomer selected from the group consisting of acrylic esters of aliphatic alcohols having 1 to 8 carbon atoms and methacrylic esters of aliphatic alcohols having 4 to 8 carbon atoms, and removing the non-aqueous medium from the yarn, the copolymer having a glass transition temperature of 40.degree. to 80.degree.C and a Young's modulus of 1 .times. 10.sup.3 to 1 .times. 10.sup.4 kg/cm.sup.2.
Abstract translation:通过在非水介质中通过共聚20-80重量%的至少一种选自下组的单体制备共聚物来提供具有优异的织造性能和加工性能的大尺寸含纤维素纤维的纱线: 甲基丙烯酸甲酯,苯乙烯和丙烯腈以及80至20重量%的至少一种选自具有1至8个碳原子的脂族醇的丙烯酸酯和具有4至8个碳原子的脂族醇的甲基丙烯酸酯的单体,以及除去 来自纱线的非水性介质,共聚物的玻璃化转变温度为40〜80℃,杨氏模量为1×10 3〜1×10 4 kg / cm 2。
Abstract:
The present invention is provided to achieve smooth devanning or depalletizing of rectangular packages while managing various situations. Package identification codes 10a, 10b, 10c, 10d are displayed at a predetermined position of each of four surfaces of front, back, left and right or on each of all surfaces of a package 5A having a rectangular shape, and code data-of the identification codes is identified by a predetermined controller via a reading unit. The code data includes size information of a height size and a width size of a code display surface of the package 5A. The controller of a robot having the reading unit and a robot hand is configured to position the robot hand with the package 5A based on a code display position and the size information.
Abstract:
A hydrogen permeation/separation thin membrane including a Ni—Ti—Nb alloy. The Ni—Ti—Nb alloy is a cast foil material obtained by roll quenching and a refining heat treatment. The membrane has a thickness of 0.07 mm or less. The Ni—Ti—Nb alloy has the following: (a) a composition consisting of 10 to 47 atomic % of Nb, 20 to 52 atomic % of Ti, and a remainder containing 20 to 48 atomic % of Ni and inevitable impurities; and (b) an alloy structure where fine particles of a Nb-based solid solution alloy, in which Nb forms a solid solution with Ni and Ti in Nb, are dispersed in a basic structure made of a Ni—Ti(Nb) intermetallic compound formed of a solid solution of a Ni—Ti intermetallic compound, in which part of Ti thereof is replaced by Nb.
Abstract:
In a multiphase hydrogen permeation alloy comprising a phase in charge of hydrogen permeation and a phase in charge of hydrogen embrittlement resistance, a structure in which the phase in charge of hydrogen permeability is continuously interconnected and in which more preferably the growth direction of the aforementioned phase in charge of hydrogen permeation lies aligned in the thickness direction of the permeation membrane. As the hydrogen permeation alloy, an Nb—Ti—Co alloy is exemplified, wherein the phase in charge of hydrogen permeability is made of an (Nb, Ti) phase and the aforementioned phase in charge of hydrogen embrittlement resistance is made of a CoTi phase. By virtue of the fact that the growth direction of the phase in charge of hydrogen permeation lies aligned in the thickness direction of the permeation membrane, the hydrogen permeation pass length becomes short to give further improved hydrogen permeation property.
Abstract:
A (Nb, Ti) phase in an Nb—Ti—Co alloy is composed of a granular structure. The Nb—Ti—Co alloy is preferably subjected to heat treatment at 800° C. or more so that the eutectic structure in the casted state can be changed to a granular structure. The Nb—Ti—Co alloy used there is preferably NbxTi(100-x-y)Coy, (x≦70, 20≦y≦50 (mol %)). By properly predetermining the heating temperature and time, the resulting alloy exhibits improved hydrogen permeability in combination with a good hydrogen embrittlement resistance characteristic in the CoTi phase, making it possible to provide a practical hydrogen permeable membrane having an advantageously high performance.
Abstract translation:Nb-Ti-Co合金中的(Nb,Ti)相由粒状结构构成。 Nb-Ti-Co合金优选在800℃以上进行热处理,使得铸态的共晶组织可以变为粒状结构。 其中使用的Nb-Ti-Co合金优选为Nb x Ti(100-x y)Co y y,(x <= 70,20 <= y <= 50(mol%))。 通过适当地预先确定加热温度和时间,所得合金在CoTi相中具有良好的耐氢脆性特性,显示出改善的氢渗透性,使得可以提供具有有利的高性能的实用的氢可渗透膜。
Abstract:
An Ni—Ti—Nb based multiple phase alloy consists of a combined phase which comprises a phase for the hydrogen permeability and a phase for the resistance to hydrogen embrittlement. The alloy has a composition satisfying the formula: NixTiyNb(100-x-y) in which x=25˜45 mol % and y=25˜55 mol %. A metal membrane for hydrogen separation-purification is prepared using the alloy material. The alloy material is prepared by blending Ni, Ti and Nb and melting the blend. The metal membrane permits the hydrogen separation-purification and thus the resulting purified hydrogen gas can be used as a fuel and can be applied to fields of production of semiconductors.
Abstract:
A combustion furnace or reactor with a multi-stage fluidized bed system wherein upper and lower fluidized bed formation zones in which the fluidized beds of bed particles containing particles of lime stone are separated through a partition device. The partition device is provided with a plurality of exhaust gas distribution holes for distributing the exhaust gases produced in the lower fluidized bed into the upper fluidized bed and a plurality of nozzles through which issue the combustion air and/or recirculated exhaust gases into the upper fluidized bed. Combustion products such as NO.sub.x and SO.sub.x are desulfurized and denitrified respectively within the reactor by calcium compounds which absorb SO.sub.2 and act as catalysts for reducing NO.sub.x.