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    • 1. 发明专利
    • Method for producing nickel fine particle
    • 生产镍微粒的方法
    • JP2014133947A
    • 2014-07-24
    • JP2014030404
    • 2014-02-20
    • Jfe Mineral Co LtdJfeミネラル株式会社
    • MAKISE TAKANORISATO NOBUYUKI
    • B22F9/22B22F1/00H01B13/00
    • PROBLEM TO BE SOLVED: To provide a method for producing nickel fine particles, by which nickel fine particles easily forming conductive paths when being incorporated into a conductive paste are produced.SOLUTION: The method for producing nickel fine particles comprises: cooling a nickel chloride gas to subject the gas to a phase-transition from gas phase to solid phase and to obtain thin plate-like nickel chloride fine particles; then oxidizing the nickel chloride fine particles to obtain nickel oxide fine particles; and reducing the nickel oxide fine particles to produce nickel fine particles, each of which is a ring body having a ring shape.
    • 要解决的问题:提供一种生产镍微粒的方法,通过该方法可以生成在导入浆料中形成导电路径时容易形成镍微粒的方法。解决方案:制造镍微粒的方法包括:将氯化镍气体 使气体从气相到固相发生相变,得到薄板状的氯化镍微粒; 然后氧化氯化镍微粒,得到氧化镍微粒; 并还原氧化镍微粒以产生镍微粒,其中每一个都是具有环形的环体。
    • 3. 发明专利
    • Desulfurizing agent and method for desulfurizing molten iron
    • 脱硫剂和用于脱硫铁的方法
    • JP2012193456A
    • 2012-10-11
    • JP2012135332
    • 2012-06-15
    • Jfe Steel CorpJfe Mineral Co LtdJfeスチール株式会社Jfeミネラル株式会社
    • HINO YUTANABESHIMA SEIJIKUSAMA TOMONORIYAMAGUCHI ATSUSHI
    • C21C1/02C21B3/04C21C7/064
    • Y02W30/542
    • PROBLEM TO BE SOLVED: To provide a desulfurizing agent which can be produced comparatively simply and, can desulfurize molten iron at high efficiency even without containing fluorine.SOLUTION: The desulfurizing agent is produced by mixing a powder lime made mainly of CaO with a solid powder material that is obtained by solidifying a slag produced as a by-product when producing molten iron in a blast furnace and pulverizing it thereafter. In this case, the mixing mass ratio of the solid powder material to the lime (blending quantity of solid powder material (mass%)/blending quantity of lime (mass%)) is ≥0.05 and ≤1.0, the average grain size of the solid powder material is less than 15 μm, and the basicity of the desulfurizing agent ((mass% CaO)/(mass% SiO)) is 3.5 or more, thereby improving further desulfurization efficiency.
    • 要解决的问题:提供一种相对简单的生产的脱硫剂,即使不含氟也能以高效率对铁水进行脱硫。 解决方案:脱硫剂通过将主要由CaO制成的粉末石灰与通过在高炉中制造铁水时将作为副产物生成的炉渣固化而获得的固体粉末材料混合并将其粉碎来制备。 在这种情况下,固体粉末材料与石灰的混合质量比(固体粉末材料的混合量(质量%)/石灰混合量(质量%))为≥0.05和≤1.0,平均粒径为 固体粉末材料小于15μm,脱硫剂的碱度((质量%CaO)/(质量%SiO 2 ))为3.5以上,进一步提高 脱硫效率。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Cleaning material
    • 清洁材料
    • JP2012051967A
    • 2012-03-15
    • JP2010193640
    • 2010-08-31
    • Jfe Mineral Co LtdJfeミネラル株式会社
    • SHIOKAWA TAKAHIROWATANABE TETSUYA
    • C09K17/02B01J20/06B09C1/02B09C1/08C02F1/28
    • PROBLEM TO BE SOLVED: To provide a cleaning material capable of effectively cleaning contaminated soil containing fluorine, boron, arsenic and heavy metals such as chromium, lead and selenium, and exhibiting only a small increase in the volume when mixed with contaminated soil.SOLUTION: In the cleaning material, a hydroxide or an oxide of a rare earth element is adhered on the surface of metallic iron powder. The cleaning material can effectively clean contaminated soil containing fluorine, boron, arsenic and heavy metals such as chromium, lead and selenium, and exhibits only a small increase in the volume when mixed with contaminated soil. The adhesion of a hydroxide or an oxide of a rare earth element on the surface of metallic iron powder improves more the absorption capability of the hydroxide or the oxide of a rare earth element than in single use of the same amount of the hydroxide or the oxide of a rare earth element, as proved in examples.
    • 要解决的问题:提供能够有效地清洗含有氟,硼,砷和重金属如铬,铅和硒的污染土壤的清洁材料,并且当与污染土壤混合时体积只有小的增加 。 解决方案:在清洁材料中,稀土元素的氢氧化物或氧化物粘附在金属铁粉的表面上。 清洁材料可以有效清洁含有氟,硼,砷和铬,铅,硒等重金属的污染土壤,与污染土壤混合时体积稍微增加。 稀土元素的氢氧化物或氧化物在金属铁粉的表面上的粘附性比单次使用相同量的氢氧化物或氧化物更能提高稀土元素的氢氧化物或氧化物的吸收能力 的稀土元素,如实施例所证明的。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Method for treating substance containing chromium oxide
    • 用于处理含有氧化铬的物质的方法
    • JP2011036827A
    • 2011-02-24
    • JP2009188864
    • 2009-08-18
    • Jfe Mineral Co LtdJfe Steel CorpJfeスチール株式会社Jfeミネラル株式会社
    • OGAWA HISASHITOFUSA HIROYUKITAKAHIRA TAKUYA
    • B09B3/00A62D3/37A62D101/43C02F11/00
    • PROBLEM TO BE SOLVED: To provide a method for treating substance containing chromium oxide, a method capable of preventing elution of Cr
      +6 from the substance containing chromium oxide industrially, easily and also inexpensively.
      SOLUTION: In treating the substance containing chromium oxide, an elution quantity is preliminarily measured of Cr
      +6 from the substance containing chromium oxide. If the elution quantity of Cr
      +6 is a prescribed value or above, the substance containing chromium oxide is made a mixture with a substance that contains sulfur and/or sulfur having oxidation number +5 or less, and a steam aging treatment for blowing in water vapor is performed thereon. Meantime, if the elution quantity of Cr
      +6 is less than the prescribed value, the substance containing chromium oxide is subjected to an immersion aging treatment in which the substance containing chromium oxide is immersed in a liquid containing sulfur and/or sulfur having oxidation number +5 or less. As a substance containing sulfur and/or sulfur having oxidation number +5, unaged air-cooled blast furnace slag is desirable. In the immersion aging treatment, it is desirable that the water vapor drain of the steam aging treatment is used as the liquid for the immersion.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种处理含有氧化铬的物质的方法,可以容易且廉价地从含有氧化铬的物质中预防Cr +6 的洗脱的方法。 解决方案:在处理含有氧化铬的物质时,从含有氧化铬的物质中初步测量Cr +6 的洗脱量。 如果Cr +6 的洗脱量为规定值以上,则含有氧化铬的物质与含有氧化值为+5以下的硫和/或硫的物质形成混合物, 在其上进行用于吹入水蒸气的蒸汽老化处理。 同时,如果Cr +6 的洗脱量小于规定值,则将含有氧化铬的物质进行浸渍时效处理,将含有氧化铬的物质浸渍在含硫的液体中 和/或具有+5以下氧化值的硫。 作为含有氧化值为+ 5的硫和/或硫的物质,期望未老化的风冷高炉矿渣。 在浸渍时效处理中,优选将蒸汽时效处理的水蒸气排出用作浸渍液。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Piezoelectric single crystal element
    • 压电单晶体元件
    • JP2008288453A
    • 2008-11-27
    • JP2007133251
    • 2007-05-18
    • Jfe Mineral Co LtdJfeミネラル株式会社
    • MATSUSHITA MITSUYOSHI
    • H01L41/09H01L41/18H01L41/257H01L41/338H01L41/39
    • H01L41/41H01L41/18H01L41/257
    • PROBLEM TO BE SOLVED: To provide a piezoelectric single crystal element capable of obtaining an electromechanical coupling coefficient of 65% and more which exceeds a value (about 60%) in a conventional plate-like piezoelectric element by applying prescribed processing to an element surface as to a piezoelectric element utilizing a vibration mode of a direction parallel with a polarization direction. SOLUTION: A plurality of grooves 11 each of which has depth t extending in a substantially vertical direction of an element surface A and is filled with an insulating material 13 are formed on either one of element surfaces A having the polarization direction PD as a normal line direction at a prescribed arrangement pitch L to form a piezoelectric part 10A of a comb-like structure, wherein an electromechanical coupling coefficient parallel with the polarization direction is 65% and more. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种压电单晶元件,其能够通过将规定的处理应用于常规的板状压电元件,获得超过常规板状压电元件的值(约60%)的65%以上的机电耦合系数 元件表面使用利用与偏振方向平行的方向的振动模式的压电元件。 解决方案:在具有偏振方向PD的元件表面A中的任一个上形成多个凹槽11,每个凹槽11具有沿元件表面A的大致垂直方向延伸并且填充有绝缘材料13的深度t 以规定的排列间距L形成法线方向,形成梳状结构的压电部10A,其中与偏振方向平行的机电耦合系数为65%以上。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Method for manufacturing desulfurizing agent
    • 制造脱硫剂的方法
    • JP2008231495A
    • 2008-10-02
    • JP2007071930
    • 2007-03-20
    • Jfe Mineral Co LtdJfe Steel KkJfeスチール株式会社Jfeミネラル株式会社
    • KUSAMA TOMONORIYAMAGUCHI ATSUSHIHINO YUTANABESHIMA SEIJI
    • C21C1/02C21C7/064C21C7/076
    • Y02P10/242
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a desufurizing agent which can be comparatively easily manufactured, which enables desulfurization of molten iron with high efficiency, even when no fluorine is contained, and does not cause environmental damage. SOLUTION: In the method for manufacturing the desulfurizing agent which contains powdery lime having CaO as a main component and a powdery material after being melted which mainly contains Al 2 O 3 and SiO 2 and is solidified after being melted in advance, the above powdery lime and the above powdery material after being melted are mixed. The above mixing treatment is performed by using a high speed stirring and mixing machine incorporating stirring blades, or can be performed by simultaneously pulverizing the above lime and the above powdery material after being melted. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决问题的方案:即使不含氟,也可以提供一种可以相对容易地制造能够高效率地进行铁水脱硫的脱硫剂的制造方法,不会造成环境破坏。 解决方案:在含有以CaO为主要成分的粉状石灰和熔融后主要含有Al O 3 和SiO 2 ,并在预先熔融之后固化,将上述粉状石灰和熔融后的上述粉末材料混合。 上述混合处理通过使用包含搅拌叶片的高速搅拌和混合机进行,或者可以在熔融之后同时粉碎上述石灰和上述粉末状材料。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Single crystal, its manufacturing device and manufacturing process
    • 单晶,其制造设备和制造工艺
    • JP2008063180A
    • 2008-03-21
    • JP2006241927
    • 2006-09-06
    • Jfe Mineral Co LtdJfeミネラル株式会社Univ Of Yamanashi国立大学法人山梨大学
    • TANAKA ISAOKODAIRA KOHEIMATSUSHITA MITSUYOSHIIWASAKI YOSUKE
    • C30B11/10
    • PROBLEM TO BE SOLVED: To provide a manufacturing device which grows a single crystal having the same crystal orientation as a seed crystal without causing cracks nor melt drips, even when a single crystal of an oxide is manufactured using a raw material melt with especially high fluidity.
      SOLUTION: Raw material-melting vessel 11, melt-holding vessel 12, seed crystal-holder 13 and drive unit 14 are provided in growth furnace 1. The melt-holding vessel 12 has vertically extending first through-holes 19, upper plate member 16 receiving the melt, intermediate plate member 17 which is arranged in the downstream of the upper plate member 16 and has space structure 20 holding the melt flowed down through the first through-holes 19 in the upper plate member 16 and lower plate member 18 which has second through-holes 22 for continuously feeding the melt held in the space structure 20 to seed crystal 15 located below.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一种生长具有与晶种相同的晶体取向的单晶而不引起裂纹或熔融滴落的制造装置,即使使用原料熔体制造氧化物的单晶, 特别高流动性。 解决方案:原料熔融容器11,熔体保持容器12,籽晶保持器13和驱动单元14设置在生长炉1中。熔体保持容器12具有垂直延伸的第一通孔19,上部 中间板构件17布置在上板构件16的下游并具有保持熔体向下流过上板构件16中的第一通孔19的空间结构20和下板构件 18,其具有第二通孔22,用于将保持在空间结构20中的熔体连续地供给到位于下方的晶种15。 版权所有(C)2008,JPO&INPIT