摘要:
An electric control system for a pulse combustion device of the type which includes a combustion chamber mounted within a liquid vessel of a liquid heating apparatus, fuel and air inlet valves arranged to supply a mixture of fuel and air into the combustion chamber, a tailpipe connected at one end thereof to an exhaust port of the combustion chamber to take place therein resonant combustion of the mixture of fuel and air and immersed in an amount of liquid stored in the vessel, and an electrically operated air intake blower arranged to supply fresh air into the combustion chamber through the air inlet valve. The electric control system is designed to activate the air intake blower when a power source switch of the pulse combustion device has been first turn on and maintain activation of the blower for a first predetermined time after ignition of a mixture of fuel and air supplied into the combustion chamber through the inlet valves, to deactivate the blower upon lapse of the first predetermined time, and to activate the blower for a second predetermined time when a fresh mixture of fuel and air is supplied into the combustion chamber and ignited therein to control a temperature of the liquid in the vessel.
摘要:
1,4-Dihydro-6-methyl-4-(substituted phenyl)pyridine-3,5-dicarboxylic acid esters have an amino group at the 2-position and at least one nitrooxy group in at least one of the ester groups. These compounds have a variety of valuable activities, including antihypertensive and Ca.sup.++ -blocking activities, leading to their use for the treatment of circulatory and coronary disorders. They may be prepared by condensation of appropriate substituted acetic acid esters.
摘要:
A conductive coating composition comprising a graphite intercalation compound, carbon black, a binder, and a solvent is provided. The graphite intercalation compound is prepared by a process comprising reacting a dried metal chloride, a salt capable of forming a molten salt together with the metal chloride, and a graphite in a molten state in a chlorine gas stream under atmospheric pressure or a process comprising reacting a dried metal chloride, a salt capable of forming a molten salt together with said metal chloride, a salt capable of forming a double salt in a gas phase together with the metal chloride, and a graphite in a molten state in a chlorine gas stream under atmospheric pressure.
摘要:
A pulse combustion heating apparatus includes a open-top vessel assembled within a support frame to store an amount of liquid such as cooking oil to be heated, and a pulse combustion burner mounted to the vessel and having a combustion chamber secured at its inlet end to a side wall of the vessel and immersed in the liquid in the vessel and at least a pair of tailpipes each connected at their inner ends to an exhaust port of the combustion chamber in such a manner that the tailpipes are arranged symmetrically in the vessel and immersed in the liquid and being extended outwardly from the vessel. The vessel has a pair of parallel bottom walls inclined downwardly inwardly toward the center of the vessel, and a pair of cylindrical decouplers are housed in a pair of spaces just below the bottom walls of the vessel within the support frame and located in parallel along the bottom walls of the vessel. The decouplers are connected to each exhaust end of the tailpipes to stabilize pulse combustion in the combustion chamber.
摘要:
2-(Amino or methyl)-6-(methyl or amino)-4-(substituted phenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid esters have a specific class of heterocyclic groups as thealcohol moiety. These compounds have a variety of valuable activities, including antihypertensive and Ca.sup.++ -blocking activities, leading to their use for the treatment of circulatory and coronary disorders. They may be prepared by condensation of appropriate substituted benzylideneacetoacetic acid esters with appropriate amidinoacetic acid esters.
摘要:
Hydrogen sulfide and/or carbonyl sulfide in a gas which does not substantially contain oxygen can easily be removed from the gas by contacting the gas with an activated carbon containing (1) a copper compound and (2) an alkali metal compound and/or alkaline earth metal compound at a temperature of not higher than 150.degree. C.
摘要:
Mercury vapor in a gas can easily be removed from the gas by contacting the gas with an adsorbent comprising an activated carbon having as supported thereon (1) one or more components included in one of three groups shown below and (2) one or more components included in the remaining two groups shown below.______________________________________ Group Component ______________________________________ I sulfur II sulfate and nitrate of Al, V, Fe, Co, Ni, Cu, Zn or NH.sub.4 III oxide of iodine, oxyacid correspond- ing to the oxide of iodine, salt of said oxyacid, and bromide and iodide of K, Na or NH.sub.4 ______________________________________
摘要:
A sheet processing device for pressing a fold line formed in a sheet, the sheet processing device comprises a pressing portion configured to press a sheet while rotating about a rotation axis. The pressing portion includes a pressing unit having a projecting shape, disposed over a predetermined range in a direction of the rotation axis to have a position in a rotation direction about the rotation axis changed according to the direction of the rotation axis, and an impact absorbing member provided at a part of the pressing unit of the pressing portion, abutting on the sheet at first in the rotation direction of the pressing portion, the impact absorbing member configured to reduce impact upon abutting on the sheet.
摘要:
There is provided automotive lamp peripheral parts excellent in heat resistance, rigidity and fogging property. The lamp peripheral part according to the invention is obtained from a resin composition containing 70% by mass or more of a polyphenylene ether (A) and a styrene-based resin (B), and has a haze value of a glass plate of 1.0% or less after the glass plate is subjected to a fogging test using an apparatus according to ISO 6452.
摘要:
A conductive resin composition produced by melt-kneading a mixture comprising a polyamide (A), a polyphenylene ether (B) (non-terminal-modified polyphenylene ether and/or terminal-modified polyphenylene ether), a rubbery polymer (C), a conductive carbonaceous material (D) (carbon black and/or carbon fibril), and a low molecular weight modifier compound (E) (compatibility agent), wherein the mixture has the following characteristics: (1) the amount of (D) is 0.2 to 3% by weight, based on the total weight of (A) to (E), (2) the amount of (E) is more than 0.01% by weight and less than 0.20% by weight, based on the total weight of (A) to (E), and (3) the amount (a) of a volatile substance contained in (B) satisfies the following formula: 0≦a≦−7.3×E+1.83, wherein E is the % by weight of (E), based on the total weight of (A) to (E), the amount (a) being expressed in terms of a weight decrease (% by weight) of (B) as measured by subjecting (B) to vacuum drying in vacuo at 180 ° C. for 1 hour.