摘要:
New compounds of the general formula (I) ##STR1## (wherein R.sup.1 is a hydrogen atom, or a hydroxyl, aryl (C.sub.1 -C.sub.6)alkylene or --A--SOn--B group (A is a (C.sub.1 -C.sub.6) alkylene group; B is a (C.sub.1 -C.sub.6) alkyl, (C.sub.1 -C.sub.6) acyl, aryl or heterocyclyl group; n is 0, 1 or 2), R.sup.2 is a hydrogen atom, or a (C.sub.1 -C.sub.6) alkyl, (C.sub.1 -C.sub.6) alkyloxy 10 or (C.sub.1 -C.sub.6) alkylthio group, R.sup.3 and R.sup.4 are identical or different, representing a hydrogen atom, or a (C.sub.1 -C.sub.6) alkyl, aryl or aryl(C.sub.1 -C.sub.6)alkylene group, R.sup.5 is a --Y--C or C group (Y is a (C.sub.1 -C.sub.6) alkylene group, an oxygen atom, an imino group or a (C.sub.1 -C.sub.6) alkyleneimino group, C is a sulfonic acid, phosphonic acid, amidino, (C.sub.1 -C.sub.6) acyl, acylimidoyl, diphosphonomethine or dicarboxymethine group), and R.sup.6 is a hydrogen atom, or a nonsubstituted or substituted benzyl, trialkylsilyl, tert-butyldiphenylsilyl, tetrahydropyranyl or tert-butyl group) or stereoisomers thereof, and pharmaceutically acceptable salts thereof and solvates thereof, and the process for the preparation thereof, and metalloproteinase inhibitors which comprise one or more compounds selected from those compounds as effective ingredients and inhibit matrix metalloproteinases (MMPs) and/or TNF-.alpha. converting enzyme. Furthermore, the preparation intermediates to obtain the compounds of the formula (I) and the process for the preparation.
摘要:
An air conditioning apparatus includes a heating heat exchanger for heating air blown toward a passenger compartment using hot water as a heating source. A plurality of electric heating members are formed integrally with the heating heat exchanger, and electric power supplied to the electric heating members is controlled according a temperature of the hot water. Therefore, a number of the electric heating members to be operated is finely controlled according to the temperature of water flowing through the heating heat exchanger. Further, when a water temperature of the heating heat exchanger is lower than a predetermined temperature (e.g., 35.degree. C.), a water valve is closed to interrupt the flow of water to the heating heat exchanger, and a blower is operated. Therefore, a quantity of heat transmitted from the electric heating members to the water in the heating heat exchanger can be greatly decreased.
摘要:
According to the present invention, an oil storage chamber for temporarily accumulating a high-viscosity oil is formed below a heat-generating chamber for accumulating high-viscosity oil which generates heat when a shearing force is applied thereto. When an electromagnetic coil of an electromagnetic clutch is set off, i.e., a rotation of a rotor of a viscous heater is stopped, the high-viscosity oil in the heat-generating chamber moves into the oil storage chamber by own weight thereof, and a liquid level of the high-viscosity oil in the heat-generating chamber is greatly reduced. In this way, when the electromagnetic coil of the electromagnetic clutch is turned on to start the rotor of the viscous heater, a torque applied to the rotor is greatly reduced, with the result that a stress applied to the rotor is reduced.
摘要:
A resistor circuit which includes a pair of linear conductive films and a resistive film. The resistive film is formed on an area between the conductive films and electrically connected to the conductive films. A pair of terminals are electrically connected to portions of the conductive films respectively. A current source is electrically connected between the terminals to flow an electric current between the terminals. A pair of voltage output terminals are electrically connected to portions of the conductive films respectively. At least one of the voltage output terminals is disposed at a position other than a position in which the terminals are formed. An output voltage output from the voltage output terminals is exactly proportional to a current flowing between them without an influence of change of an ambient temperature.
摘要:
An ozone generator has a construction in which: an outer and an inner sleeves made of fused quartz or ordinary glass are mounted inside a casing of the generator, which sleeves are substantially concentrically arranged to form an air gap therebetween, while conducting films are formed on the outer periphery of the outer sleeve and the inner periphery of the inner sleeve to provide opposite discharge electrodes an inner one of which is grounded and an outer one of which is connected to high voltage side of an electric source, to which air gap a raw gas is fed while electrical discharge is conducted between these electrodes to produce ozonized gas from the raw gas.
摘要:
This invention relates to a latent heat accumulating greenhouse utilizing solar heat. The object of the invention is to provide a greenhouse which is simple in construction, of high efficiency for heat absorbing and capable of much absorbing and accumulating of heat. A heat accumulating chamber (B) partitioned by transparent sheets (1) is provided between the attic and a floor surface facing north in the greenhouse (A). A blower fan (2) is disposed to confront an opening (1a) provided at the lower portion in said heat accumulating chamber (B). Also, in the heat accumulating chamber (B), a heat accumulating unit (3) having a large number of light transmitting windows (32) and enclosing a phase transformation heat accumulating material (33) such as CaCl.sub.2.6H.sub.2 O, Na.sub.2 SO.sub.4.10H.sub.2 O therein is detachably suspended in a position close to windowpanes at the north side.
摘要:
An automotive rear safety checking apparatus which comprises a plurality of obstacle detectors mounted on the rear part of the automobile for radiating ultrasonic wave on the watching areas smaller in width than the width of the automobile respectively and detecting the ultrasonic wave reflected from an obstacle. The ultrasonic wave is radiated from the obstacle detectors in time division. Pulse signals in the number associated with the distance between the obstacle detector and the obstacle are generated in response to the detection of the ultrasonic wave reflected from the obstacle, so that the relative positions of the automobile and the obstacle, are indicated two-dimensionally in accordance with the pulse signal.
摘要:
A rotary type hydraulic servo-mechanism constructed with a hollow-cylindrical casing, an input shaft extending through the casing, a driven output member slidably mounted on the casing, a servo-valve mechanism formed in the surface of the input shaft which slides on the driven output member, a hydraulic fluid chamber to generate a resisting torque against rotational force of the input shaft, and a passage to connect this hydraulic fluid chamber with the servo-valve mechanism, and hydraulic drive chambers defined by a space between the inner wall of the hollow cylindrical casing and the outer periphery of the driven output member.
摘要:
A compound represented by the following general formula (I) or a salt thereof: wherein R1 represents a glycosyl group, a phosphate group, or a cyclic phosphate group bound to R2; R2 represents —CH2OH, —CHO, —CH2NH2, —CH2-amino acid residue, or —CH2—OPO2H; and R3 represents hydrogen atom, or —PO3H2, and a composition for cosmetics, medicaments, foodstuffs, and/or feeds containing the aforementioned compound or a salt thereof.
摘要:
This invention provides an adamantane derivative that can provide a cured product having excellent optical properties such as transparency and lightfastness, long-term heat resistance, and electric characteristics such as permittivity, and an epoxy resin having an adamantane skeleton, a resin composition comprising them, and an optical electronic member using the resin composition. The adamantane derivative is represented by general formula (I). The epoxy resin having an adamantane skeleton is represented by general formula (V) or (VI). The resin composition comprises them. The optical electronic member uses the resin composition. In the formula, W represents, for example, a hydrogen atom, X represents a group represented by general formula (II), Y represents, for example, —O—, Z represents a group represented by formula (III) or (IV), R1 represents a methyl or ethyl group, R2 represents an alkyl group having 1 to 4 carbon atoms, k is an integer of 0 to 10, m is an integer of 0 to 14, n is an integer of 2 to 16, m+n=16, and p and q are an integer of 0 to 5.
摘要翻译:本发明提供一种金刚烷衍生物,其可以提供具有优异的光学性能如透明性和耐光性,长期耐热性和电特性如介电常数的固化产物,以及具有金刚烷骨架的环氧树脂,包含它们的树脂组合物, 以及使用该树脂组合物的光电子部件。 金刚烷衍生物由通式(I)表示。 具有金刚烷骨架的环氧树脂由通式(V)或(VI)表示。 树脂组合物包含它们。 光电子部件使用树脂组合物。 在该式中,W表示例如氢原子,X表示通式(II)表示的基团,Y表示例如-O-,Z表示由式(III)或(IV)表示的基团, R 1表示甲基或乙基,R 2表示碳原子数1〜4的烷基,k表示0〜10的整数,m表示0〜14的整数,n表示2〜16的整数,m + n = 16,p和q为0〜5的整数。