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    • 2. 发明专利
    • Powder for continuous casting and continuous casting method for steel
    • 连续铸造粉末和连续铸钢方法
    • JP2007229803A
    • 2007-09-13
    • JP2006264125
    • 2006-09-28
    • Nippon Steel Corp新日本製鐵株式会社
    • KATO YUICHIROHARADA KOJIKAJITANI TOSHIYUKISAITO KOUJIHARASHIMA KAZUMI
    • B22D11/108
    • PROBLEM TO BE SOLVED: To provide powder for continuous casting with which the generation of the predicting signals of restraint breakout can be reduced, and to provide a continuous casting method.
      SOLUTION: In a low-Al grade, bubbles are generated in a powder film during casting, so as to increase its heat insulation properties, and a heat release amount from a solidified shell to a mold wall is reduced, which leads to the frequent generation of the predicting signals of restraint breakout. Then, for reducing OH
      - ions in the powder film to molten steel by Si in the molten steel, the basicity of the powder is increased; thus the generation of bubbles is prevented. Namely, the powder for continuous casting has a basicity B of ≥1.4 and is used for continuous casting of steel having an Al content of
    • 要解决的问题:提供用于连续铸造的粉末,可以减少限制突破的预测信号的产生,并提供连续铸造方法。 解决方案:在低铝级中,在铸造期间在粉末膜中产生气泡,从而增加其绝热性能,并且从固化壳到模具壁的放热量减少,这导致 频繁地产生约束突破的预测信号。 然后,为了通过钢水中的Si将粉末膜中的OH - 离子还原为钢水,粉末的碱度增加; 从而防止了气泡的产生。 也就是说,连续铸造用粉末的碱度B为≥1.4,用于连续铸造Al含量<0.015质量%的钢,连续铸造法使用粉末。 版权所有(C)2007,JPO&INPIT
    • 3. 发明专利
    • Method for manufacturing sintered ore
    • 烧结炉的制造方法
    • JP2005264310A
    • 2005-09-29
    • JP2004083141
    • 2004-03-22
    • Nippon Steel Corp新日本製鐵株式会社
    • FUJIOKA YUJIKANEHASHI KOJINISHIFUJI MASAYUKISAITO KOUJIOKAZAKI JUN
    • C22B1/16
    • PROBLEM TO BE SOLVED: To provide a method for preparing a raw material for sintering by which, in a sintering process where ore fines are pelletized/sintered to undergo agglomeration, the raw material for sintering can be formed into high-strength pseudo-pellets, productivity and product yield at sintering can be improved and sintered ore with excellent quality can be manufactured.
      SOLUTION: In the method for manufacturing the sintered ore, an iron-containing raw material composed mainly of iron ore, an auxiliary raw material and a carbonaceous material are mixed and the resultant mixture is pelletized with the addition of water and then the resultant pellets are charged into a sintering machine to undergo sintering. In the above method, sodium montmorillonite is mixed with the above iron-containing raw material of
    • 要解决的问题:提供一种烧结原料的制备方法,其中在细粉粒化/烧结以进行凝聚的烧结过程中,用于烧结的原料可以形成为高强度伪 可以提高烧结时的生产率和产品产量,并且可以制造具有优良品质的烧结矿。 解决方案:在烧结矿的制造方法中,将以铁矿石,辅助原料和碳质材料为主要成分的含铁原料混合,加入水使其成粒, 将所得颗粒装入烧结机中进行烧结。 在上述方法中,将钠蒙脱石与上述含有<1mm粒径的含铁原料混合,使得蒙脱石与含铁原料的质量比例为0.1〜5质量%。 版权所有(C)2005,JPO&NCIPI
    • 4. 发明专利
    • Radiated infrared spectroscopic analysis method
    • 放射性红外光谱分析方法
    • JP2004251690A
    • 2004-09-09
    • JP2003040960
    • 2003-02-19
    • Nippon Steel Corp新日本製鐵株式会社
    • FUJIOKA YUJISAITO KOUJINISHIFUJI MASAYUKIKANEHASHI KOJI
    • G01N21/71G01N21/00
    • PROBLEM TO BE SOLVED: To provide a radiated infrared light spectroscopic analysis method for analyzing the structure of an organic compound, a polymer compound, an inorganic compound or the like adhering to a material substrate or the base material surface.
      SOLUTION: A radiated infrared light spectrophotometer is constituted of a sample heating device for heating the substrate or the base material having a measuring object adhering on its surface, a condensing optical system for guiding infrared light radiated from the heated measuring object into a spectroscope, the spectroscope for spectrally diffracting the condensed light, and a detector for detecting the spectrally diffracted light. This radiated infrared light spectroscopic analysis method is characterized by heating the substrate or the base material having the measuring object adhering on its surface and a substrate or a base material having no adhering measuring object respectively up to the same temperature, measuring each infrared light radiated at that time, and determining an infrared spectrum from the ratio between both values by using the spectrophotometer.
      COPYRIGHT: (C)2004,JPO&NCIPI
    • 解决的问题:提供一种用于分析附着在材料基板或基材表面上的有机化合物,高分子化合物,无机化合物等的结构的辐射红外光谱分析方法。 解决方案:辐射红外光分光光度计由用于加热衬底或具有粘附在其表面上的测量对象的基底材料的样品加热装置构成,用于将从加热的测量对象辐射的红外光引导到 分光镜,用于光谱衍射聚光的分光器,以及用于检测光谱衍射光的检测器。 该辐射红外光谱分析方法的特征在于,将具有附着在其表面上的测量对象的基底或基材和不具有粘附测量对象的基底或基材分别加热至相同的温度,测量辐射在 该时间,并且通过使用分光光度计从两个值之间的比率确定红外光谱。 版权所有(C)2004,JPO&NCIPI
    • 5. 发明专利
    • Nuclear magnetic resonance spectrum assignment method
    • 核磁共振光谱分配方法
    • JP2009180593A
    • 2009-08-13
    • JP2008019283
    • 2008-01-30
    • Nippon Steel Corp新日本製鐵株式会社
    • FUJIBE YASUHIROKANEHASHI KOJISAITO KOUJI
    • G01N24/00G01N24/08G01R33/32
    • PROBLEM TO BE SOLVED: To provide an NMR spectrum assignment method for accurately estimating an experimental value by a quantum-chemical calculation method without measuring a standard specimen, performing structure assignment in a shorter time, and performing structure assignment on a plurality of sites as well, as to the assignment of an NMR spectrum of quadrupole nuclei. SOLUTION: This method is for assigning an nuclear magnetic resonance (NMR) spectrum acquired through nuclear magnetic resonance of quadrupole nuclei contained in a measuring object specimen. This method for assigning an nuclear magnetic resonance spectrum is characterized in that an index value representing a peak of a measured NMR spectrum is compared with a theoretical index value acquired by a quantum-chemical calculation method based on the molecular structure of a substance having quadrupole nuclei assumed to be contained in the object specimen, thereby identifying the structure of the substance having quadrupole nuclei. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于在不测量标准样本的情况下通过量子化学计算方法精确估计实验值的NMR谱分配方法,在较短时间内执行结构分配,并且在多个 关于四极核的NMR光谱的分配, 解决方案:该方法用于分配通过包含在测量对象样品中的四极核的核磁共振获得的核磁共振(NMR)光谱。 用于分配核磁共振谱的方法的特征在于,将表示测量的NMR谱的峰的指标值与通过基于具有四极核的物质的分子结构的量子化学计算方法获得的理论指标值进行比较 假设被包含在物体样品中,从而确定具有四极核的物质的结构。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Quantitatively determining method of smectite in coal
    • 定量煤炭定量测定方法
    • JP2008275438A
    • 2008-11-13
    • JP2007119172
    • 2007-04-27
    • Nippon Steel Corp新日本製鐵株式会社
    • FUJIBE YASUHIROKANEHASHI KOJISAITO KOUJIFUJIOKA YUJINISHIFUJI MASAYUKI
    • G01N24/08G01R33/32
    • PROBLEM TO BE SOLVED: To provide a method capable of precisely performing quantitative determinaton of smectites which have serious effect on such process, requiring drying process of coal, as pulverized coal blowing and the like. SOLUTION: With quantitatively determining Al concentration in coal, 27 Al-solid nuclear magnetic resonance spectrum of the coal is measured, and the peak of Al having 6-coordinated form corresponding to the smectites in the coal is separated based on the measuring results. The ratio of the integrated value of the peak of Al having 6-coordinated form of the smectites to the integrated value of all Al peaks is calculated. The smectites content in the coal is obtained based on the calculated value and the Al concentration in this quantitatively determining method. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够精确地进行对这种方法有严重影响的蒙皂石的定量确定的方法,需要煤的干燥处理,作为粉煤吹制等。

      解决方案:通过定量测定煤中的Al浓度,测量煤的Al固体核磁共振谱,并且测定了具有对应于绿壤中的绿土的6配位形式的Al的峰 基于测量结果分离煤。 计算蒙脱石6配位形式的Al的峰的积分值与全部Al峰的积分值的比值。 在该定量测定方法中,基于计算值和Al浓度获得煤中的蒙脱石含量。 版权所有(C)2009,JPO&INPIT

    • 8. 发明专利
    • Method of measuring magnesium oxide content and calcium oxide content in oxide material, using infrared absorption spectrum measuring method
    • 使用红外吸收光谱测量方法测量氧化物中氧化镁含量和氧化氧化物含量的方法
    • JP2007198950A
    • 2007-08-09
    • JP2006018835
    • 2006-01-27
    • Nippon Steel Corp新日本製鐵株式会社
    • FUJIOKA YUJIKANEHASHI KOJINISHIFUJI MASAYUKISAITO KOUJIAIMOTO MICHIHIRO
    • G01N31/00G01N21/35G01N21/75G01N33/24G01N33/38
    • PROBLEM TO BE SOLVED: To provide a method of measuring precisely a magnesium oxide content and a calcium oxide content in an oxide material, causing cracks or degradation/breakage in a molding, resulting from cubical expansion by a hydration reaction, using an infrared absorption spectrum measuring method. SOLUTION: A pulverized sample of the oxide material is immersed preliminarily into deuterium oxide (D 2 O) or sodium deuteroxide (NaOD) deuterium oxide solution, magnesium oxide (MgO) and calcium oxide (CaO) in the pulverized sample are therein converted respectively into magnesium deuteroxide (Mg(OD) 2 ) and calcium deuteroxide (Ca(OD) 2 ), an infrared absorption spectrum is measured thereafter, the magnesium oxide content and the calcium oxide content in the pulverized sample of the oxide material are found based on areas or peak heights of infrared absorption peaks in absorption bands resulting from respective deuteroxide groups (O-D) of the magnesium deuteroxide and the calcium deuteroxide in the infrared absorption spectrum. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供精确测量氧化物材料中的氧化镁含量和氧化钙含量的方法,由于水合反应的立方膨胀而导致模制中的裂纹或劣化/断裂,使用 红外吸收光谱测量方法。 解决方案:将氧化物材料的粉碎样品初步浸入氧化氘(D 2 O)或氘氧化钠(NaOD)氘氧化物溶液,氧化镁(MgO)和氧化钙(CaO )分别转化为氘氧化镁(Mg(OD) 2 )和氘氧化钙(Ca(OD) 2 ),测量红外吸收光谱 此后,氧化物材料的粉碎样品中的氧化镁含量和氧化钙含量基于由氘氧化镁和氘氧化钙的各自的氘氧化物基团(OD)产生的吸收带中的红外吸收峰的面积或峰高 在红外吸收光谱中。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • Method for producing coke for blast furnace
    • 用于生产烤炉的焦炭的方法
    • JP2010150335A
    • 2010-07-08
    • JP2008328165
    • 2008-12-24
    • Nippon Steel Corp新日本製鐵株式会社
    • KATO KENJISAITO KOUJIMIURA KOICHIASHIDA RYUICHI
    • C10B57/08C10B57/04
    • PROBLEM TO BE SOLVED: To develop a means for modifying properties of low-quality coal such as non-slightly caking coal to the properties suitable for the production of cokes for a blast furnace, and to produce the cokes for the blast furnace having higher strength by using the coal modified by the means.
      SOLUTION: The method for producing the cokes for the blast furnace having >84.5 of coke strength DI
      150
      15 by formulating a raw material coal for producing the cokes includes modifying the raw material coal by using the amount of oxygen in the coal as a modifying index, and formulating the modified coal by considering the improvable value of the coke strength DI
      150
      15 .
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:开发一种将低质量煤如非轻质结块煤的特性改性成适用于高炉焦炭生产的性能,并生产高炉焦炭 通过使用通过手段改良的煤具有较高的强度。 解决方案:通过配制用于生产焦炭的原料煤,生产具有> 84.5焦炭强度DI 150 15 的高炉的方法包括改性 通过使用煤中的氧气量作为修正指数的原料煤,并通过考虑焦炭强度DI 150 15 的改进值来配制改性煤。 版权所有(C)2010,JPO&INPIT