Abstract: The heat-resistant, ferritic cast steel of a high castability has a composition consisting essentially, by weight, of C: 0.15-1.20%, C-Nb/8: 0.05-0.45%, Si: 2% or less, Mn: 2% or less, Cr: 16.0-25.0%, W and/or Mo: 1.0-5.0%, Nb: 0.40-6.0%, Ni: 0.1-2.0%, N: 0.01-0.15%, and Fe and inevitable impurities: balance. The cast steel has, in addition to a usual .alpha.-phase, an .alpha.'-phase transformed from a .gamma.-phase and composed of an .alpha.-phase and carbides. The area ratio (.alpha.'/(.alpha.+.alpha.')) of the .alpha.'-phase is 20-70%. The heat-resistant, ferritic cast steel of a high castability is suitable for exhaust equipment members such as exhaust manifolds, turbine housings, etc.

Abstract: Exhaust equipment members are made of a heat-resistant, austenitic cast steel with excellent castability and machinability having a composition consisting essentially, by weight, of 0.2-1% of C, 2% or less of Si, 2% or less of Mn, 8-20% of Ni, 15-30% of Cr, 0.5-6% of Nb, 1-6% of W, 0.01-0.3% of N, optionally 0.01-0.5% of S, C--Nb/8 being 0.05-0.6% and the balance being Fe and inevitable impurities.

Abstract: Exhaust equipment members are made of a heat-resistant, austenitic cast steel having a composition consisting essentially, by weight, of 0.1-0.6% of C, less than 1.5% of Si, 1% or less of Mn, 8-20% of Ni, 15-30% of Cr, 0.2-1% of Nb, 2-6% of W, 0.001-0.01% of B, 0.02-0.3% of S and/or 0.001-0.1% of REM (Ce, La, Nb or Pt), Mg or Ca, the balance being Fe and inevitable impurities.

Abstract: A catalyst for polymerization of olefin, which is capable of producing an olefin polymer with high stereoregularity and narrow molecular weight distribution, and which comprises (1) a solid catalyst component essentially containing titanium, magnesium and halogen, 2) an organoaluminum compound, and (3) a contact product of (A) an organometallic compound and (B) an organosilicon compound; and a process for producing a polymer using the above catalyst.

Abstract: A catalyst for producing a polyolefin having a high melting point and a high stereoregularity, which comprises: (A) a solid catalyst component containing titanium, magnesium and halogen, (B) an organic aluminum compound, and (C) an organic silicon compound represented by formula (1): ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 each represents a C.sub.1-3 hydrocarbon group.

Abstract: Rubber-modified styrene resins with excellent impact resistance are prepared by formulating a feed from a styrene-based monomer, or a mixture thereof with comonomers and high-viscosity rubber, an organic peroxide, and, if necessary, all inert organic solvent, preheating and continuously supplying the feed to one end of a plug flow type reactor equipped with an agitator, performing the preliminary polymerization to a conversion sufficiently high for the transformation of the rubber in the feed into particles while controlling the weight average particle diameter of the rubber particles to 0.8 to 5 .mu.m, withdrawing the prepolymerized feed from the other end of the reactor, and supplying it to a following plug flow type reactor for continuous enhancement of tile conversion.

Abstract: The heat-resistant, ferritic cast steel suitable for exhaust equipment members such as exhaust manifolds and turbine housings has a composition consisting essentially, by weight, of:C: 0.15-0.45%,Si: 2.0% or less,Mn: 1.0% or less,Cr: 17.0-22.0%,W: 1.0-3.0%,Nb and/or V: 0.01-0.45%,rare earth metal: 0.01-0.5%, andFe and inevitable impurities: balance, the cast steel having, in addition to a usual .alpha.-phase, an .alpha.'-phase consisting of the .alpha.-phase and carbides and transformed from a .gamma.-phase, and an area ratio (.alpha.'/(.alpha.+.alpha.')) being 20-80%.

Abstract: A heat-resistant, austenitic cast steel having a composition consisting essentially, by weight of: C: 0.15-0.60%, Si: 2.0% or less, Mn: 1.0% or less, Ni: 8.0-20.0%, Cr: 15.0-30.0%, W: 2.0-6.0%, Nb: 0.2-1.0%, B: 0.001-0.01%, and the balance being Fe and inevitable impurities is disclosed. The austenitic cast steel of the invention is ideally suited for use in exhaust equipment members.

Abstract: A granular fertilizer with a coating which is decomposable by soil microorganisms, preferably a coating which is decomposed and degraded both on the surface layer of the soil and in the soil, and a process for producing the granular fertilizer, which coating contains a poly 3-hydroxy-3-alkylpropionic acid as an indispensable ingredient, and if necessary, a resin or a low-molecular resin and further, if necessary, an inorganic or organic powder, and which process comprises adding an organic solvent solution of the poly 3-hydroxy-3-alkylpropionic acid, and if necessary, the resin, and if necessary the powder (dispersed in the solution) to a granular fertilizer in fluided state in the form of spray, and when added, blowing a high speed hot air stream onto the fertilizer to thereby instantaneously remove the solvent and also dry the resulting fertilizer.

Abstract: The heat-resistant, ferritic cast steel has a composition consisting essentially, by weight, of C: 0.05-0.45%, Si: 0.4-2.0%, Mn: 0.3-1.0%, Cr: 16.0-25.0%, W: 1.0-5.0%, Nb and/or V: 0.01-1.0% (each 0.5% or less), and Fe and inevitable impurities: balance, the cast steel having, in addition to a usual .alpha.-phase, an .alpha.'-phase transformed from a .gamma.-phase and composed of an .alpha.-phase and carbides, an area ratio (.alpha.'/(.alpha.+.alpha.') being 20-90%. The cast steel is subjected to an annealing treatment at a temperature lower than a (.gamma.+.alpha.) phase region. The heat-resistant, ferritic cast steel is suitable for exhaust equipment members such as exhaust manifolds, turbine housings, etc.

Abstract: A coated or encapsulated granular fertilizer which comprises an olefin polymer and/or copolymer and a polyether polyol in a defined amount. The olefin polymer is an ethylene or propylene homopolymer and/or a copolymer of an olefin monomer and a copolymerizable monomer such as olefinic monomers, vinyl acetate and carbon monoxide. The polyether polyol is polymers of ethylene oxide, propylene oxide and mixtures thereof with or without etherification with polyhydric alcohols. By the addition of the polyether polyol, a dissolution rate of the fertilizer can be arbitrarily controlled without a sacrifice of physical properties of the coated film.

Abstract: A thermal power transfer system using a phase change liquid gas fluid in a closed loop configuration has a heat exchanger member connected to a gas conduit for inputting thermal energy into the fluid. The pressure in the gas conduit is higher than a liquid conduit that is connected to a heat exchanger member for outputting thermal energy. A solid electrolyte member acts as a barrier between the gas conduit and the liquid conduit adjacent a solid electrolyte member. The solid electrolyte member has the capacity of transmitting ions of a fluid through the electrolyte member. The ions can be recombined with electrons with the assistance of a porous electrode. An electrical field is applied across the solid electrolyte member to force the ions of the fluid from a lower pressure liquid conduit to the higher pressure gas conduit.

Abstract: A ferritic heat resisting steel usable as the material of parts of steam and gas turbines of a power generating plant. Co content and Mo content are increased as compared with known alloy steels of the same kind. For instance, the alloy steel has a composition containing, by weight, 0.05 to 0.20% C, 0.05 to 1.5% Mn, 0.05 to 1.0% Ni, 9.0 to 13.0% Cr, 0.05 to less than 0.50% Mo, 2.0 to 3.5% W, 0.05 to 0.30% V, 0.01 to 0.20% Nb, 2.1 to 10.0% Co, 0.01 to 0.1% N, and the balance substantially Fe and incidental impurities, with Si as an impurity limited to be not more than 0.15%.

Abstract: A fertilizer with a degradative coating wherein the dissolving-out rate of the fertilizer component can be controlled by adjusting the composition of the coating component and the residual capsule after the dissolving out degrades by light is provided, which degradative coating comprises as its active ingredient, at least one member of polyolefin resins and at least one member selected from the group consisting of rubbery resins and ethylene-vinyl acetate-carbon monoxide copolymer.

Abstract: This invention relates to a polymerization reaction apparatus which is composed of a vertical cylindrical vessel, a rotating shaft inside the vessel, a plurality of agitating blades attached to the shaft, and a large number of plate-like heat transfer elements attached to the inner wall of the vessel, disposed radially between the agitating blades, and internally equipped with a passage for a heat transfer fluid, and in which apparatus a polymerizing mass passes through a gap between the rotating shaft, the agitating blades, and a large number of the plate-like heat transfer elements and exchanges heat with a heat transfer fluid circulating inside the plate-like heat transfer elements, effecting uniform removal of the reaction heat or uniform heating of the polymerizing mass and preventing vertical mixing.

Abstract: The present invention is directed to a steam turbine rotor which comprises an iron base alloy containing 0.05 to 0.2 wt % of carbon, 0.1 wt % or less of silicon, 0.05 to 1.5 wt % of manganese, more than 8.0 wt % to less than 13 wt % of chromium, less than 1.5 wt % of nickel, 0.1 to 0.3 wt % of vanadium, 0.01 to 0.1 wt % of niobium, 0.01 to 0.1 wt % of nitrogen, 0.02 wt % or less of aluminum, less than 0.50 wt % of molybdenum and 0.9 to 3.0 wt % of tungsten; contents of molybdenum Mo and tungsten W satisfying the following formulae0.75.ltoreq.1/2W+Mo and3.ltoreq.W/Mo;a .delta.-ferrite phase and a large grain boundry carbide being scarcely contained basically in the metallic structure; a matrix of martensite being formed therein.

Abstract: A granular fertilizer with a degradative coating characterized in that after it has been applied to soil and its fertilizer component has dissolved out, the resulting coating part degrades rapidly is provided, which degradative coating comprises an ethylene-carbon monoxide copolymer as its indispensable component and a rubbery resin, an ethylene-vinyl acetate copolymer resin or powder as an optional component.

Abstract: A high-strength, heat-resisting ferritic steel pipe or tube for boiler use containing 0.03 to 0.15% C, 0.1 to 1.5% Mn, 8 to 13% Cr, 1.8 to 3.0% W, 0.05 to 0.30% V, 0.02 to 0.12% Nb, 0.02 to 0.05% N, 0.02 to 0.4% Mo, and up to 0.25% Si. This pipe or tube has an improved high-temperature creep rupture strength and an excellent weldability and toughness.

Abstract: An instrument for measuring a thickness of a surface processing film on a metal includes a plurality of instruction executing keys, an enclosed recording apparatus, a terminal for connecting a probe to detect an electrical signal corresponding to the film thickness when the probe is pressed onto the metal, a circuit for converting the electrical signal obtained from the probe to a digital value indicative of the film thickness, and a circuit for arithmetically processing the digital value in accordance with instructions by the instruction executing keys. The results of the processing are outputted to the recording apparatus.

Abstract: A low-temperature sintered porcelain composition suitable for forming in which at least one of polystyrene, polyethylene and polypropylene, butyral resin, lubricant and, if required, a plasticizer are mixed in respective predetermined amounts with a mixture consisting of a vitreous composition, aluminum oxide, clay component and a binder, and a low-temperature sintered porcelain composition which further contains an acrylic resin in addition to the above components.