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1. 发明授权

US06942878B2 Cosmetic composition 失效
标题翻译：化妆品组成
公开(公告)号：US06942878B2
公开(公告)日：2005-09-13
申请号：US10363664
申请日：2001-09-10
申请人： Nobuaki Ishii , Kouichi Wada , Junko Futami , Michihiro Takama
发明人： Nobuaki Ishii , Kouichi Wada , Junko Futami , Michihiro Takama
IPC分类号： A61K8/11 , A61K8/25 , A61K8/27 , A61K8/29 , A61K8/35 , A61K8/37 , A61Q17/04 , A61K9/14
CPC分类号： A61K8/11 , A61K8/25 , A61K8/27 , A61K8/29 , A61K8/35 , A61K8/37 , A61K2800/412 , A61K2800/413 , A61Q17/04
摘要： To provide a cosmetic composition having excellent ultraviolet protection against both UVB and UVA, causing neither unpleasant whitening to the applied skin nor skin irritation, and ensuring good feeling on use and high safety and high stability without causing decomposition of the ingredients blended in the cosmetic material, such as organic ultraviolet absorber. A cosmetic composition obtained by using fine particulate titanium oxide and fine particulate zinc oxide each surface-treated with silica, alumina or alumina/silica and having a primary particle size of 0.01 to 0.2 μm in combination and blending titanium oxide and zinc oxide at a mass ratio of 1:4 to 2:3, wherein SPF is maintained as compared with the case where the mass ratio of titanium oxide to zinc oxide is 1:0, and when applied to a thickness of 10 μm, the whiteness W value measured using the CIE color specification system is 20 or less.
摘要翻译：为了提供对UVB和UVA均具有优异的紫外线防护性的化妆品组合物，不会对所施用的皮肤造成令人不愉快的美白，也不引起皮肤刺激，并且确保良好的使用感和高安全性和高稳定性，而不会引起混合在化妆品材料中的成分的分解，如有机紫外线吸收剂。通过使用二氧化硅，氧化铝或氧化铝/二氧化硅进行表面处理的细颗粒氧化钛和细粒状氧化锌并且一次粒径为0.01〜0.2μm的组合并以氧化钛和氧化锌的质量混合而获得的化妆品组合物比例为1:4〜2:3，与氧化钛与氧化锌的质量比为1:0的情况相比，维持SPF，当施加到10μm的厚度时，使用 CIE颜色规格系统为20以下。

2. 发明授权

US06500415B2 Cosmetic composition 有权
标题翻译：化妆品组成
公开(公告)号：US06500415B2
公开(公告)日：2002-12-31
申请号：US09873398
申请日：2001-06-05
申请人： Nobuaki Ishii , Junko Futami , Kouichi Wada , Michihiro Takama
发明人： Nobuaki Ishii , Junko Futami , Kouichi Wada , Michihiro Takama
IPC分类号： A61K3174
CPC分类号： B82Y30/00 , A61K8/29 , A61K8/731 , A61K8/732 , A61K8/733 , A61K8/8147 , A61Q1/02 , A61Q17/04 , C01P2002/82 , C01P2002/84 , C01P2004/04 , C01P2004/62 , C01P2004/64 , C01P2004/82 , C01P2004/86 , C01P2006/60 , C09C1/043 , C09C1/3661 , Y10S514/972
摘要： A cosmetic composition comprising titanium oxide coated with one or both of silica and alumina or zinc oxide coated with one or both of silica and alumina, and a thickening polymer having a carboxyl group in the side chain, preferably a carboxyvinyl polymer, wherein when 10% by mass of silica- and/or alumina-coated titanium oxide or silica- and/or alumina-coated zinc oxide is dispersed in an aqueous solution containing 0.133% by mass of a carboxyvinyl polymer, the viscosity after the passing of 100 hours is 50% or more of the initial viscosity. A cosmetic composition comprising titanium oxide coated with one or both silica and alumina or zinc oxide coated with one or both of silica and alumina, and a thickening polymer having a carboxyl group in the side chain of the invention, can maintain emulsion stability by thickening of polymer for a long period of time and can be widely and suitably used for ultraviolet shielding cosmetic materials or the like having preparation form stability.
摘要翻译：一种化妆品组合物，其包含用二氧化硅和氧化铝中的一种或二者涂覆的二氧化钛或涂覆有二氧化硅和氧化铝中的一种或两种的氧化锌，以及在侧链中具有羧基的增稠聚合物，优选羧基乙烯基聚合物，其中当10％的二氧化硅和/或氧化铝涂覆的氧化钛或二氧化硅和/或氧化铝涂覆的氧化锌分散在含有0.133质量％羧基乙烯基聚合物的水溶液中，100小时后的粘度为50 ％以上的初始粘度。包含二氧化硅和氧化铝或二氧化硅或二氧化硅和氧化铝中的一种或二者涂覆的二氧化钛的化妆品组合物和本发明侧链具有羧基的增稠聚合物可以通过增稠而保持乳液的稳定性聚合物长时间并且可广泛适用于具有制备形式稳定性的紫外线屏蔽化妆品等。

3. 发明授权

US07347986B2 Silica-coated mixed crystal oxide particle, production process thereof and cosmetic material using the same 有权
标题翻译：二氧化硅涂覆的混晶氧化物颗粒，其制备方法和使用其的化妆品
公开(公告)号：US07347986B2
公开(公告)日：2008-03-25
申请号：US10489407
申请日：2002-09-13
申请人： Nobuaki Ishii , Kouichi Wada , Michihiro Takama
发明人： Nobuaki Ishii , Kouichi Wada , Michihiro Takama
IPC分类号： A61Q17/04 , A61Q17/00 , A61Q19/04 , A61Q19/00 , A61K8/02
CPC分类号： A61Q19/00 , A61K8/0212 , A61K8/11 , A61K8/25 , A61K8/26 , A61K8/27 , A61K8/29 , A61K2800/412 , A61K2800/413 , A61Q1/02 , A61Q1/06 , A61Q1/12 , A61Q17/04 , B82Y5/00 , C01P2002/70 , C01P2002/82 , C01P2006/12 , C09C1/043 , C09C1/24 , C09C1/3661 , C09C3/063
摘要： Provided are a silica-coated mixed crystal oxide particle which has high dispersibility, excellent visible light transparency and superior ultraviolet-shielding capability and which is sufficiently reduced in the photocatalytic activity; an economical production process thereof; and an ultraviolet-shielding cosmetic material containing the silica-coated mixed crystal oxide particle, which is particularly excellent in the visible light transparency. The surface of a mixed crystal oxide particle having a BET specific surface area of 10 to 200 m2/g and containing primary particles in a mixed crystal is covered with a dense and thin film silica.
摘要翻译：提供具有高分散性，优异的可见光透明性和优异的紫外线屏蔽能力并且光催化活性充分降低的二氧化硅涂覆的混晶氧化物颗粒。其经济的生产工艺; 以及含有二氧化硅被覆的混晶氧化物粒子的紫外线屏蔽化妆品，其特别优异的是可见光透明性。具有10〜200m 2 / g的BET比表面积和混合晶体中的一次粒子的混合氧化物颗粒的表面被致密和薄膜二氧化硅覆盖。

4. 发明授权

US09753040B2 Polynucleotide construct capable of displaying fab in a cell-free translation system, and method for manufacturing and screening fab using same 有权
公开(公告)号：US09753040B2
公开(公告)日：2017-09-05
申请号：US13990654
申请日：2011-11-30
申请人： Yasuhiro Fujino , Risako Fujita , Kouichi Wada , Kotomi Oda , Takuya Ueda , Yoshihiro Shimizu , Takashi Kanamori
发明人： Yasuhiro Fujino , Risako Fujita , Kouichi Wada , Kotomi Oda , Takuya Ueda , Yoshihiro Shimizu , Takashi Kanamori
IPC分类号： G01N33/68 , C12N15/10 , C07K16/46
CPC分类号： G01N33/6854 , C07K16/468 , C07K2317/31 , C07K2317/55 , C12N15/1041 , C12N15/1062 , C12N15/1075 , G01N33/6857
摘要： The polynucleotide construct of (1) or (2) below is used to perform ribosome display, CIS display and/or mRNA display in order to screen a Fab against an antigen of interest: (1) a polynucleotide construct which monocistronically comprises a ribosome-binding sequence, Fab first chain-coding sequence, linker peptide-coding sequence, Fab second chain-coding sequence and scaffold-coding sequence in this order, and further comprises at its 3′-end a structure necessary for maintaining a complex with the Fab encoded by itself; and (2) a polynucleotide construct which comprises a Fab first chain-expressing cistron and a Fab second chain-expressing cistron each containing a ribosome-binding sequence, a Fab first chain-coding sequence or Fab second chain-coding sequence, and a scaffold-coding sequence in this order, the first Fab-expressing cistron further comprising at its 3′-end a ribosome stall sequence, said Fab second chain-expressing cistron further comprising at its 3′-end a structure necessary for maintaining a complex with the Fab encoded by itself.

5. 发明申请

US20100208414A1 NIOBIUM MONOXIDE POWDER, NIOBIUM MONOXIDE SINTERED BODY AND CAPACITOR USING THE SINTERED BODY 有权
标题翻译：一氧化氮粉末，一氧化碳烧结体和电容器使用烧结体
公开(公告)号：US20100208414A1
公开(公告)日：2010-08-19
申请号：US12772837
申请日：2010-05-03
申请人： Kazuhiro OMORI , Kazumi Naito , Toshiya Kawasaki , Kouichi Wada
发明人： Kazuhiro OMORI , Kazumi Naito , Toshiya Kawasaki , Kouichi Wada
IPC分类号： H01G9/042 , C04B35/64
CPC分类号： C01G33/00 , C01P2002/52 , C01P2004/60 , C01P2004/61 , C01P2006/11 , C01P2006/12 , C01P2006/14 , C01P2006/17 , C01P2006/40 , C01P2006/80 , C04B35/495 , C04B35/6262 , C04B35/62655 , C04B35/6268 , C04B35/63424 , C04B35/638 , C04B38/0615 , C04B2111/00853 , C04B2235/5409 , C04B2235/5427 , C04B2235/5436 , C04B2235/6581 , C04B2235/72 , C04B2235/79 , H01G9/028 , H01G9/0525 , C04B38/0054 , C04B38/007
摘要： (1) A niobium monoxide powder for a capacitor represented by formula: NbOx (x=0.8 to 1.2) and optionally containing other elements in an amount of 50 to 200,000 ppm, having a tapping density of 0.5 to 2.5 g/ml, an average particle size of 10 to 1000 μm, angle of repose from 10° to 60°, the BET specific surface area from 0.5 to 40 m2/g and a plurality of pore diameter peak tops in the pore distribution, and a producing method thereof; (2) a niobium monoxide sintered body, which is obtained by sintering the above niobium monoxide powder and, having a plurality of pore diameter peak tops in a range of 0.01 μm to 500 μm, preferably, the peak tops of two peaks among the plurality of pore diameter peak tops having a highest relative intensity are present in the range of 0.2 to 0.7 μm and in the range of 0.7 to 3 μm, respectively, and a producing method thereof; (3) a capacitor using the above sintered body and a producing method thereof; and (4) an electronic circuit and electronic device using the above capacitor.
摘要翻译：（1）一种用于由式NbO x（x = 0.8〜1.2）表示的电容器的铌氧化物粉末，任选地含有50〜200,000ppm的其他元素，敲击密度为0.5〜2.5g / ml，平均粒径为10〜1000μm，休止角为10°〜60°，BET比表面积为0.5〜40m 2 / g，孔分布中的多个孔径峰顶及其制造方法。（2）一种铌一氧化物烧结体，其通过烧结上述铌一氧化物粉末而获得，并且具有多个孔径峰值在0.01μm至500μm的范围内，优选地，多个峰值峰值在多个具有最高相对强度的孔径峰顶的分子量的制造方法分别为0.2〜0.7μm，0.7〜3μm的范围。（3）使用上述烧结体的电容器及其制造方法; 和（4）使用上述电容器的电子电路和电子装置。

6. 发明申请

US20050139037A1 Niobium powder, niobium sintered body and capacitor using the sintered body 有权
标题翻译：铌粉，铌烧结体和使用该烧结体的电容器
公开(公告)号：US20050139037A1
公开(公告)日：2005-06-30
申请号：US11067359
申请日：2005-02-28
申请人： Kazuhiro Omori , Kazumi Naito , Toshiya Kawasaki , Kouichi Wada
发明人： Kazuhiro Omori , Kazumi Naito , Toshiya Kawasaki , Kouichi Wada
IPC分类号： H01G9/04 , B22F1/00 , C01G33/00 , C22C1/04 , C22C32/00 , H01G9/02 , H01G9/028 , H01G9/052 , C22C29/16
CPC分类号： B22F1/0007 , B22F2999/00 , C01G33/00 , C01P2004/60 , C01P2004/61 , C01P2006/11 , C01P2006/12 , C01P2006/17 , C01P2006/40 , C04B35/495 , C04B35/58007 , C04B35/62655 , C04B35/63416 , C04B35/63424 , C04B35/638 , C04B38/0064 , C04B2235/32 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3232 , C04B2235/3239 , C04B2235/3244 , C04B2235/3251 , C04B2235/3253 , C04B2235/3256 , C04B2235/3258 , C04B2235/3262 , C04B2235/3284 , C04B2235/3286 , C04B2235/3287 , C04B2235/3289 , C04B2235/3291 , C04B2235/3293 , C04B2235/3294 , C04B2235/3296 , C04B2235/3298 , C04B2235/3409 , C04B2235/3418 , C04B2235/422 , C04B2235/446 , C04B2235/447 , C04B2235/5409 , C04B2235/5436 , C04B2235/5445 , C04B2235/6581 , C04B2235/726 , C22C1/045 , C22C32/0068 , H01G9/028 , H01G9/0525 , H01G11/56 , Y02E60/13 , Y02T10/7022 , B22F3/1121 , B22F3/1134 , B22F9/16 , C04B38/0054
摘要： (1) A niobium powder for a capacitor having a tapping density of 0.5 to 2.5 g/ml, an average particle size of 10 to 1000 μm, angle of repose from 10° to 60°, the BET specific surface area from 0.5 to 40 m2/g and a plurality of pore diameter peak tops in the pore distribution, and a producing method thereof; (2) a niobium sintered body, which is obtained by sintering the above niobium powder and, having a plurality of pore diameter peak tops in a range of 0.01 μm to 500 μm, preferably, the peak tops of two peaks among the plurality of pore diameter peak tops having a highest relative intensity are present in the range of 0.2 to 0.7 μm and in the range of 0.7 to 3 μm, respectively, and a producing method thereof; (3) a capacitor using the above sintered body and a producing method thereof; and (4) an electronic circuit and electronic device using the above capacitor.
摘要翻译：（1）一种用于电容器的铌粉末，其具有0.5-2.5g / ml的敲击密度，10-1000μm的平均粒度，10°至60°的休止角，BET比表面积为0.5至40 m 2和/或多孔孔分布中的孔径峰顶及其制造方法。（2）一种铌烧结体，其通过烧结上述铌粉末而得到，并且具有0.01μm〜500μm的多个孔径峰顶，优选为多个孔中的两个峰的峰顶具有最高相对强度的直径峰顶分别存在于0.2至0.7μm的范围内且在0.7至3μm的范围内。（3）使用上述烧结体的电容器及其制造方法; 和（4）使用上述电容器的电子电路和电子装置。

7. 发明授权

US06639535B1 Digital to analog converter using B spline function 失效
标题翻译：使用B样条函数的数模转换器
公开(公告)号：US06639535B1
公开(公告)日：2003-10-28
申请号：US09623073
申请日：2000-10-25
申请人： Kazuo Toraichi , Kouichi Wada
发明人： Kazuo Toraichi , Kouichi Wada
IPC分类号： H03M166
CPC分类号： H03M1/66
摘要： A digital-analog converter for producing less distorted output waveforms without the need for an increase in the operating speed of components. A D/A converter 1 comprises a memory 10, an address counter 12, a B spline function generation circuit 14, four sampling function generation circuits 16, three delay circuits 18, four amplifiers 20, and three adding circuits 22, 24 and 26. Four items of digital data supplied one after another in the predetermined time interval T are stored in the memory 10. The gain of each of the four amplifiers 20 is set according to the corresponding digital data. The four sampling function generation circuits 16 generate signal waveforms of the sampling function, which appear individually in points a time T away from one another. The signal waveforms are amplified in the amplifier 20 and added to produce an analog signal associated with the interpolation value.
摘要翻译：数字模拟转换器，用于产生较小失真的输出波形，而不需要增加组件的运行速度。 AD / A转换器1包括存储器10，地址计数器12，B样条函数产生电路14，四个采样函数产生电路16，三个延迟电路18，四个放大器20和三个加法电路22,24和26。在预定时间间隔T中一个接一个地提供的数字数据的项目被存储在存储器10中。四个放大器20中的每个的增益根据相应的数字数据被设置。四个采样函数发生电路16产生采样功能的信号波形，它们以时间T彼此分开出现。信号波形在放大器20中放大并相加以产生与内插值相关联的模拟信号。

8. 发明授权

US06392398B1 Sampling function generator 失效
标题翻译：采样函数发生器
公开(公告)号：US06392398B1
公开(公告)日：2002-05-21
申请号：US09623074
申请日：2000-10-13
申请人： Kazuo Toraichi , Kouichi Wada
发明人： Kazuo Toraichi , Kouichi Wada
IPC分类号： G01R2300
CPC分类号： G06F17/10 , G06F17/17
摘要： A sampling function generator capable of providing continuous output corresponding to a sampling function. The sampling function generator 1 comprises a B spline function generation circuit 10, delay circuits 12 and 14, inverting amplifiers 16 and 18, and adding circuits 20 and 22. The B-spline function generation circuit 10 continuously produces signal waveforms according to a third order B spline function. After delayed by predetermined time or attenuated to 1/4 amplitude and inverted, the signal waveforms are combined in the adding circuits 20 and 22 to form a signal waveforms of a sampling function that is differentiable once over the range and has values of local support.
摘要翻译：一种能够提供对应于采样功能的连续输出的采样函数发生器。采样函数发生器1包括B样条函数产生电路10，延迟电路12和14，反相放大器16和18以及加法电路20和22.B样条函数产生电路10根据三阶连续产生信号波形 B样条函数。在延迟预定时间或衰减到1/4幅度并反相之后，信号波形在加法电路20和22中组合，以形成可在一定范围内可微分并具有局部支持值的采样函数的信号波形。

9. 发明申请

US20100213407A1 NIOBIUM MONOXIDE POWDER, NIOBIUM MONOOXIDE SINTERED BODY AND CAPACITOR USING THE SINTERED BODY 审中-公开
标题翻译：一氧化碳粉末，铌单体烧结体和使用烧结体的电容器
公开(公告)号：US20100213407A1
公开(公告)日：2010-08-26
申请号：US12772879
申请日：2010-05-03
申请人： Kazuhiro OMORI , Kazumi Naito , Toshiya Kawasaki , Kouichi Wada
发明人： Kazuhiro OMORI , Kazumi Naito , Toshiya Kawasaki , Kouichi Wada
IPC分类号： H01G9/042
CPC分类号： C01G33/00 , C01P2002/52 , C01P2004/60 , C01P2004/61 , C01P2006/11 , C01P2006/12 , C01P2006/14 , C01P2006/17 , C01P2006/40 , C01P2006/80 , C04B35/495 , C04B35/6262 , C04B35/62655 , C04B35/6268 , C04B35/63424 , C04B35/638 , C04B38/0615 , C04B2111/00853 , C04B2235/5409 , C04B2235/5427 , C04B2235/5436 , C04B2235/6581 , C04B2235/72 , C04B2235/79 , H01G9/028 , H01G9/0525 , C04B38/0054 , C04B38/007
摘要： (1) A niobium monoxide powder for a capacitor represented by formula: NbOx (x=0.8 to 1.2) and optionally containing other elements in an amount of 50 to 200,000 ppm, having a tapping density of 0.5 to 2.5 g/ml, an average particle size of 10 to 1000 μm, angle of repose from 10° to 60°, the BET specific surface area from 0.5 to 40 m2/g and a plurality of pore diameter peak tops in the pore distribution, and a producing method thereof; (2) a niobium monoxide sintered body, which is obtained by sintering the above niobium monoxide powder and, having a plurality of pore diameter peak tops in a range of 0.01 μm to 500 μm, preferably, the peak tops of two peaks among the plurality of pore diameter peak tops having a highest relative intensity are present in the range of 0.2 to 0.7 μm and in the range of 0.7 to 3 μm, respectively, and a producing method thereof; (3) a capacitor using the above sintered body and a producing method thereof; and (4) an electronic circuit and electronic device using the above capacitor.
摘要翻译：（1）一种用于由式NbO x（x = 0.8〜1.2）表示的电容器的铌氧化物粉末，任选地含有50〜200,000ppm的其他元素，敲击密度为0.5〜2.5g / ml，平均粒径为10〜1000μm，休止角为10°〜60°，BET比表面积为0.5〜40m 2 / g，孔分布中的多个孔径峰顶及其制造方法。（2）一种铌一氧化物烧结体，其通过烧结上述铌一氧化物粉末而获得，并且具有多个孔径峰值在0.01μm至500μm的范围内，优选地，多个峰值峰值在多个具有最高相对强度的孔径峰顶的分子量的制造方法分别为0.2〜0.7μm，0.7〜3μm的范围。（3）使用上述烧结体的电容器及其制造方法; 和（4）使用上述电容器的电子电路和电子装置。

10. 发明授权

US06934146B2 Niobium powder, niobium sintered body and capacitor using the sintered body 有权
标题翻译：铌粉，铌烧结体和使用该烧结体的电容器
公开(公告)号：US06934146B2
公开(公告)日：2005-08-23
申请号：US10343912
申请日：2002-05-14
申请人： Kazuhiro Omori , Kazumi Naito , Toshiya Kawasaki , Kouichi Wada
发明人： Kazuhiro Omori , Kazumi Naito , Toshiya Kawasaki , Kouichi Wada
IPC分类号： H01G9/04 , B22F1/00 , C01G33/00 , C22C1/04 , C22C32/00 , H01G9/02 , H01G9/028 , H01G9/052 , H01G9/00
CPC分类号： B22F1/0007 , B22F2999/00 , C01G33/00 , C01P2004/60 , C01P2004/61 , C01P2006/11 , C01P2006/12 , C01P2006/17 , C01P2006/40 , C04B35/495 , C04B35/58007 , C04B35/62655 , C04B35/63416 , C04B35/63424 , C04B35/638 , C04B38/0064 , C04B2235/32 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3232 , C04B2235/3239 , C04B2235/3244 , C04B2235/3251 , C04B2235/3253 , C04B2235/3256 , C04B2235/3258 , C04B2235/3262 , C04B2235/3284 , C04B2235/3286 , C04B2235/3287 , C04B2235/3289 , C04B2235/3291 , C04B2235/3293 , C04B2235/3294 , C04B2235/3296 , C04B2235/3298 , C04B2235/3409 , C04B2235/3418 , C04B2235/422 , C04B2235/446 , C04B2235/447 , C04B2235/5409 , C04B2235/5436 , C04B2235/5445 , C04B2235/6581 , C04B2235/726 , C22C1/045 , C22C32/0068 , H01G9/028 , H01G9/0525 , H01G11/56 , Y02E60/13 , Y02T10/7022 , B22F3/1121 , B22F3/1134 , B22F9/16 , C04B38/0054
摘要： A niobium powder for a capacitor having a tapping density of 0.5 to 2.5 g/ml, and average particle size of 10 to 1000 μmum, angle of repose form 10° to 60°, the BET specific surface area from 0.5 to 40 m2/g and a plurity of pore diameter peak tops in the pore distribution, and a producing method therof; (2) a niobium sintered body, which is obtained by sintering the above niobium powder and, having a plurality of pore diameter peak tops in a range of 0.01 μmum to 500 μmum, preferably, the peak tops of two peaks among the plurality of pore diameter peak tops having a highest relative intensity are present in the range of 0.2 to 0.7 μmum and in the range of 0.7 to 3 μmum, respectively, and a producing method thereof; (3) a capacitor using the above sintered body and a producing method thereof, and (4) an electronic circuit and electronic device using the above capacitor.
摘要翻译：一种用于电容器的铌粉末，其出口密度为0.5至2.5g / ml，平均粒径为10至1000μm，休止角为10°至60°，BET比表面积为0.5至40μm^{2 / g和毛孔分布中孔径峰值的纯度，以及制备方法; （2）一种铌烧结体，其通过烧结上述铌粉末而获得，并且具有多个孔径峰值在0.01mumum至500mumum的范围内，优选地，多个孔中的两个峰的峰顶具有最高相对强度的直径峰顶分别存在于0.2至0.7μm的范围内且在0.7至3μm的范围内，及其制备方法。（3）使用上述烧结体的电容器及其制造方法，以及（4）使用上述电容器的电子电路和电子装置。}

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