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    • 2. 发明授权
    • Synthetic inorganic porous material and method for the preparation
thereof
    • 合成无机多孔材料及其制备方法
    • US5559070A
    • 1996-09-24
    • US319573
    • 1994-10-07
    • Kazuo ToriiTakashi IwasakiYoshio OnoderaHiromichi Hayashi
    • Kazuo ToriiTakashi IwasakiYoshio OnoderaHiromichi Hayashi
    • B01J20/18B01J20/10B01J21/10B01J23/00B01J23/755C01B33/20G03G15/01G06T1/00G06T5/00H04N1/409H04N1/46H04N1/60B01J21/08
    • B01J23/755B01J21/10B01J23/002B01J2523/00
    • Proposed is a novel synthetic inorganic porous material having a chemical composition of the general formula[(SiO.sub.2).sub.8 .multidot.(MO.sub.2/3).sub.a .multidot.(OH).sub.2/3a+b ].sup.b- .multidot.b/c(A.sup.c+),in which M is an ion of a divalent metal, e.g., Mg, A is a cation of an alkali metal, alkaline earth metal, hydrogen or ammonium, the subscript a is a positive number of 3 to 10, b is a positive number of 0.1 to 1 and c is a positive number of 1 to 2, and characterized by a specific surface area of 100 to 800 m.sup.2 /g, average pore diameter of 2 to 8 nm, pore volume of 0.1 to 0.8 cm.sup.3 /g and cation exchange capacity of 0.1 to 1.2 meq/g. This porous material is prepared by a method comprising the steps of: (a) mixing an aqueous solution of sodium silicate and an aqueous solution of a water-soluble salt of a divalent metal M, e.g., magnesium, to form hydrous oxides; (b) separating the hydrous oxides from the precipitation medium; (c) subjecting an aqueous slurry of the hydrous oxides to a hydrothermal reaction at a temperature of from 100.degree. to 300.degree. C.; and (d) drying and heating the hydrothermally obtained product at a temperature of from 100.degree. to 1000.degree. C. to effect dehydration.
    • 提出了具有通式[(SiO 2)8x(MO + E,fra 2/3 + EE)ax(OH)+ E,fra 2/3 + EE a + b]的化学组成的新型合成无机多孔材料。 b-xb / c(Ac +),其中M为二价金属的离子,例如Mg,A为碱金属,碱土金属,氢或铵的阳离子,下标a为正数3 至10,b为0.1〜1的正数,c为1〜2的正数,特征在于比表面积为100〜800m 2 / g,平均孔径为2〜8nm,孔体积为 0.1〜0.8cm 3 / g,阳离子交换容量为0.1〜1.2meq / g。 这种多孔材料是通过包括以下步骤的方法制备的:(a)将硅酸钠水溶液与二价金属M例如镁的水溶性盐的水溶液混合以形成水合氧化物; (b)从沉淀介质中分离含水氧化物; (c)使水合氧化物的水性浆料在100℃至300℃的温度下进行水热反应; 和(d)在100℃至1000℃的温度下干燥并加热水热制得的产物以进行脱水。
    • 7. 发明申请
    • Gas sensor manufacturing process, and gas sensor
    • 气体传感器制造工艺和气体传感器
    • US20050198810A1
    • 2005-09-15
    • US11073587
    • 2005-03-08
    • Masataka TaguchiYasuhiro FujitaHiromichi Hayashi
    • Masataka TaguchiYasuhiro FujitaHiromichi Hayashi
    • G01N27/26G01N27/403
    • G01N27/4077Y10T29/49002
    • A process for manufacturing a gas sensor, the gas sensor including a gas detecting element, cylindrical metal shell, and cylindrical protector as defined herein, the process comprising: applying a lubricant to an outer circumference of a leading end portion of the metal shell; assembling the metal shell having the lubricant applied thereto and the protector, so that a fitting portion, in which the leading end portion of the metal shell and the protector fit on each other, and a space-forming portion, in which the leading end portion of the metal shell and the protector overlap each other through an annular space, are formed along an axial direction; and welding the metal shell and the protector by forming a welded portion extending from an outer circumference of the protector through the annular space.
    • 一种用于制造气体传感器的方法,所述气体传感器包括如本文所定义的气体检测元件,圆柱形金属壳和圆柱形保护器,所述方法包括:将润滑剂施加到所述金属壳的前端部分的外周; 组装具有润滑剂的金属壳和保护器,使得金属壳和保护器的前端部彼此配合的装配部分和空间形成部分,其中前端部分 沿着轴向形成金属壳和保护件通过环形空间彼此重叠; 以及通过形成从保护器的外周延伸穿过环形空间的焊接部分来焊接金属壳和保护器。