摘要:
A catalyst for purifying a diesel engine exhaust gas, said catalyst comprising a refractory three-dimensional structure having a gas filter function, a porous inorganic carrier supported on it, and (a) vanadium oxide and (b) at least one metal selected from the group consisting of platinum, rhodium and palladium supported on the carrier, the amount of component (a) being in the range of 0.2 to 40.0 g as V.sub.2 O.sub.5 per liter of said structure and the amount of component (b) being in the range of 0.1 to 4.0 g as metal per liter of said structure.
摘要翻译:一种用于净化柴油发动机废气的催化剂,所述催化剂包括具有气体过滤功能的耐火三维结构,负载在其上的多孔无机载体,和(a)氧化钒和(b)至少一种选自 由负载在载体上的铂,铑和钯组成的组中,组分(a)的量为每升所述结构的V 2 O 5为0.2〜40.0g,成分(b)的量为0.1 至每升所述结构为4.0g作为金属。
摘要:
An exhaust gas cleaning catalyst composed of a refractory three-dimensional structure and a catalytically active substance supported thereon. That surface or part of the catalyst which makes contact with an exhaust gas is formed of numerous irregularly arranged protrusions composed of a refractory inorganic powder having a particle diameter of 5 to 300 micrometers or a mixture of it with refractory inorganic fibers and the catalytically active substance supported on the protrusions. The catalyst can be produced, for example, by preparing an aqueous slurry from the refractory inorganic powder having a particle diameter of 5 to 300 micrometers or a mixture of it with the refractory inorganic fibers and a suitable dispersant, forming numerous irregularly arranged protrusions on that surface or part of a refractory three-dimensional structure which makes contact with an exhaust gas by using the resulting slurry, drying the structure optionally followed by calcination, depositing the catalytically active substance, and drying and calcining the resulting structure.
摘要:
A catalyst for purifying exhaust and waste gases comprisingA. a support substrate comprising 2 to 100% by weight of an oxide complex of titanium and phosphorus containing titanium and phosphrus in such a proportion that the molar ratio of TiO.sub.2 to P.sub.2 O.sub.5 is from 5.0 to 0.5 and 98 to 0% by weight of aluminum oxide, andB. supported on said substrate as a catalytic substance, 2 to 300 parts by weight, calculated as metal oxide per 100 parts by weight of the support substrate (A), of at least one heavy metal selected from the group consisting of Ni, Cu, Cr, Fe, Co, Mn, Bi, V, W, Mo, Sn, Zn, Zr, Pb, Sb, Ti, Ta, Cd and Nb, or 0.01 to 1.0 part by weight, calculated as metal per 100 parts by weight of the support substrate (A), of at least one noble metal selected from the group consisting of Pt, Pd, Rh, Ir, Os and Ru.
摘要翻译:一种用于净化废气和废气的催化剂,包括A.支撑基材,其包含2至100重量%的钛和磷的钛和磷的氧化物配合物,其中TiO 2与P 2 O 5的摩尔比为5.0至0.5 和98〜0重量%的氧化铝,负载在作为催化剂物质的基材上的B 2〜300重量份,作为金属氧化物,相对于100重量份的载体基材(A)计算为至少 选自Ni,Cu,Cr,Fe,Co,Mn,Bi,V,W,Mo,Sn,Zn,Zr,Pb,Sb,Ti,Ta,Cd和Nb中的一种重金属,或0.01〜 1.0重量份,以每100重量份载体基材(A)为金属计算的至少一种选自Pt,Pd,Rh,Ir,Os和Ru的贵金属。
摘要:
A method for the production of a platinum catalyst used for purification of exhaust and waste gases which comprises supporting platinum either alone or in combination of other noble metals on to a porous inorganic refractory support using an aqueous medium containing dinitrodiammineplatinum and, optionally, other noble metals or their compounds in the presence of a poly(oxyethylene) type nonionic surface active agent of an average molecular weight of at least 500 and subjecting the so treated support to activation by calcining in an oxidative atmosphere or by reducing in a reductive atmosphere.
摘要:
A catalyst for purifying exhaust and waste gases, which consists essentially of(A) 30 to 99% by weight of at least one catalytic oxide selected from a binary oxide comprising titanium and silicon and a ternary oxide comprising Ti, Zr and Si,(B) 1 to 70% by weight of a catalytic oxide comprising at least one element selected from the group consisting of V, W, Mo, U, Cu, Fe, Cr, Mn and Ce, and(C) 0 to 50% by weight of a catalytic oxide comprising at least one element selected from the group consisting of Sn, Zn, Pb, Ti, Zr, Ni, Co, Nb, Ta, P, Br, Bi, Sb, alkali metals, and alkaline earth metals.
摘要:
An exhaust gas purification catalyst for purifying carbonaceous fine particles comprising a refractory three-dimensional structure and deposited thereon, (a) a refractory inorganic oxide, (b) palladium and (c) an oxide of at least one element selected from the group consisting of praseodymium, neodymium and samarium as catalyst components.
摘要:
The present invention provides a method for assessing embryotoxicity of a chemical comprising: (1) a first step of measuring the expression level of one or more genes selected from among genes each comprising any of the nucleotide sequences of SEQ ID NOs: 1 to 78 and 101 to 230 and orthologous genes thereof in a sample from a non-human mammal or mammalian cell which has come into contact with a test chemical; and (2) a second step of comparing the measured value of the expression level of the gene in the sample obtained in the first step with a control value of the expression level of the gene and based on the difference assessing the level of the embryotoxicity of the test chemical in the sample; and so on.
摘要:
A transport roller includes: a roller body of which a pair of end surfaces face each other by a press work so as to be in a cylindrical shape; and a high friction layer which contains inorganic particles and is provided on a surface of the roller body. Here, the roller body is provided with a joining portion which is formed by separating the pair of end surfaces. In addition, an average particle diameter of the inorganic particle is larger than a distance between the pair of the end surfaces of the roller body on an outer peripheral surface side thereof.
摘要:
A liquid ejecting head includes a head main body capable of ejecting a liquid supplied from a liquid storage unit, and a supply member provided with a liquid supply passage for supplying the liquid from the liquid storage unit to the head main body. The supply member has a filter mounting member provided with the liquid supply passage, a supply body that supplies the filter mounting member with the liquid, and a filter provided between the filter mounting member and the supply body. The supply member is provided with an outer portion that fixes the filter mounting member, the supply body, and the filter and that is formed by integral molding.
摘要:
In a semiconductor module having the structure in which a bump electrode provided on a wiring layer is connected to a device electrode provided on a semiconductor device, connection reliability between the bump electrode and the device electrode is improved. An insulating resin layer is provided between the semiconductor device and the wiring layer. The bump electrode, formed integrally with the wiring layer and projected from the wiring layer toward the insulating resin layer, is electrically connected to the device electrode provided on the semiconductor device. Part of the height of the wiring layer on the end side in a bump connection area is lower than that of the wiring in a wiring area extending toward the side opposite to the end side.