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公开(公告)号：US3960757A
公开(公告)日：1976-06-01
申请号：US375027
申请日：1973-06-29
申请人： Masataka Morishita , Yoshihito Inaba , Mitsuru Fukushima , Yoshinori Hattori , Sadami Kobari , Tetsuo Matsuda
发明人： Masataka Morishita , Yoshihito Inaba , Mitsuru Fukushima , Yoshinori Hattori , Sadami Kobari , Tetsuo Matsuda
CPC分类号： A61K9/1694 , B01J13/125 , Y10T428/2989
摘要： Encapsulated medicaments are prepared by dissolving a wall material for capsules in at least one organic solvent poorly miscible with water which has a boiling point of less than 100.degree.C., a vapor pressure higher than that of water and a dielectric constant of less than about 10, dissolving or dispersing in the resulting solution a medicament which is insoluble or slightly soluble in water, dispersing the resulting solution or dispersion to the form of fine drops in a liquid vehicle comprising an aqueous solution of a hydrophilic colloid or surface active agent, and then removing the organic solvent by evaporation.
摘要翻译： 通过将胶囊的壁材料溶解在至少一种与水不易混合的有机溶剂中制备封闭的药物，所述有机溶剂的沸点低于100℃，蒸汽压高于水的蒸气压，介电常数小于约 10，在所得溶液中溶解或分散不溶于或微溶于水的药物，将所得溶液或分散体在包含亲水胶体或表面活性剂的水溶液的液体载体中分散成细滴形式，以及 然后通过蒸发除去有机溶剂。
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公开(公告)号：US4743591A
公开(公告)日：1988-05-10
申请号：US946664
申请日：1986-12-24
CPC分类号： A61K31/495 , A61K31/65
摘要： Disclosed is a composition for treatment or prevention of diseases of animals or for addition to feeds for acceleration of growth which contains a mycinamicin antibiotic and at least one compound selected from the group consisting of a quinoxaline-di-N-oxide and a tetracycline antibiotic as effective ingredients. Administration of this composition affords excellent synergistic effects in antibacterial action and good body weight gaining effect and growth accelerating effect.
摘要翻译： 公开了用于治疗或预防动物疾病或加入含有霉菌素抗生素和至少一种选自喹喔啉二-N-氧化物和四环素抗生素的化合物的生长加料的组合物， 有效成分。 该组合物的施用在抗菌作用和良好的体重增加效果和生长促进作用方面具有优异的协同作用。
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公开(公告)号：US4993174A
公开(公告)日：1991-02-19
申请号：US511429
申请日：1990-04-23
CPC分类号： A43C15/005
摘要： A ceramics spike pin is provided with a pin body having a horizontal cross section of a substantially circular shape, which pin body is provided with a rounded free end portion having a predetermined radius of curvature and a connecting base portion having a predetermined radius of curvature, and a horizontally expanded base connected to the connecting base portion, wherein a diameter (d) of the connecting base portion in horizontal cross section, the radius of curvature(r) of the connecting base portion, and a maximum diagonal length (D) of the horizontally expanded base satisfy the relationship of 0
摘要翻译： 陶瓷尖钉设置有具有大致圆形形状的水平截面的销体，该销体设置有具有预定曲率半径的圆形自由端部和具有预定曲率半径的连接基部， 以及与所述连接基部连接的水平膨胀基部，其中，所述连接基部的水平截面的直径（d），所述连接基部的曲率半径（r）和所述连接基部的最大对角线长度（D） 水平扩展的基座满足0
/ = 1.36之间的关系。 因此，可以大大减轻应力集中，提高耐冲击性，从而提高耐久性。 -
公开(公告)号：US4521358A
公开(公告)日：1985-06-04
申请号：US521283
申请日：1983-08-08
IPC分类号： C04B35/591 , C04B35/593 , F02B3/06 , C04B35/58
CPC分类号： C04B35/593 , C04B35/591 , F02B3/06
摘要： Processes for the production of a silicon nitride sintered body are disclosed. One process comprises molding a mixed powder of 100 parts by weight of metallic silicon with a maximum particle size of 20 .mu.m or less and 0.2 to 2 parts by weight (calculated as chromium oxide) of a chromium component and, thereafter, reaction sintering the mold in a nitrogen gas or in a non-oxidizing atmosphere containing nitrogen gas at a temperature of 1,300.degree. to 1,500.degree. C. This invention provides further process which comprises molding a mixed powder of 100 parts by weight of metallic silicon with a maximum particle size of 20 .mu.m or less, 0.2 to 1 part by weight (calculated as chromium oxide) of a chromium component, and further 10 to 20 parts by weight of an oxide component of one or more of the oxides of yttrium, lanthanum, cerium, gadolinium, and erbium, reaction sintering the above-prepared mold, and thereafter, hot pressing the reaction sintered body. This silicon nitride hot pressed body is superior in oxidation resistance, and moreover is of high density and has high mechanical strength. Thus it is suitable for use as, e.g., gas turbine parts of diesel engine parts.
摘要翻译： 公开了制造氮化硅烧结体的方法。 一种方法包括：将100重量份最大粒度为20μm或更小的金属硅和0.2至2重量份（以铬氧化物计）的铬组分的混合粉末模塑，然后将 在氮气中或在含有氮气的非氧化性气氛中在1300〜1500℃的温度下成型。本发明提供了进一步的方法，其包括将最大粒径为100重量份的金属硅的混合粉末 20μm以下，0.2〜1重量份（以氧化铬计算）的铬成分，还含有10〜20重量份的氧化物成分，一种或多种钇，镧，铈， 钆和铒，对上述制备的模具进行反应烧结，然后热压该反应烧结体。 该氮化硅热压体的耐氧化性优异，而且密度高，机械强度高。 因此，它适用于例如柴油发动机部件的燃气轮机部件。
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公开(公告)号：US4997296A
公开(公告)日：1991-03-05
申请号：US513859
申请日：1990-04-24
CPC分类号： F16C35/063 , F16C19/52 , F16C33/30 , F16C33/62
摘要： A bearing includes an inner ring made of ceramics. A shaft is made of metal and fitted in the inner ring. The ceramics has a tensile strength equal to or larger than 50 Kg/mm.sup.2, and the ceramics and the metal are determined so as to satisfy the relation of .beta..sub.2 -.beta..sub.1 .ltoreq.6.times.10.sup.-6 /.degree.C. where .beta..sub.1 is a coefficient of linear expansion of the ceramics and .beta..sub.2 is a coefficient of linear expansion of the metal.
摘要翻译： 轴承包括由陶瓷制成的内圈。 轴由金属制成并安装在内圈中。 陶瓷具有等于或大于50Kg / mm2的拉伸强度，并且确定陶瓷和金属以满足β2-β1≤6×10 -6 /℃的关系，其中β1是 陶瓷的线膨胀系数和β2是金属的线性膨胀系数。
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公开(公告)号：US4689921A
公开(公告)日：1987-09-01
申请号：US796714
申请日：1985-11-12
CPC分类号： B24B31/003 , B24B9/00
摘要： A method of improving the impact resistance of a ceramic turbine rotor by rotating the rotor in a number of abrasive grindstones such that the edges of the rotor are rounded to a radius in the range of about 0.2 to 1 mm.
摘要翻译： 一种通过在许多研磨砂轮中旋转转子来改善陶瓷涡轮转子的耐冲击性的方法，使得转子的边缘被倒圆至约0.2至1mm范围内的半径。
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7.发明授权
公开(公告)号：US4499192A
公开(公告)日：1985-02-12
申请号：US444119
申请日：1982-11-24
IPC分类号： C04B35/584 , C04B35/593 , C04B35/58
CPC分类号： C04B35/593 , C04B35/584
摘要： A silicon nitride sintered product and processes for the production thereof are described, wherein the product comprises from 75 to 97.9% by weight of silicon nitride, from 2 to 20% by weight of yttrium oxide and cerium oxide in a molar ratio of cerium oxide to yttrium oxide of 0.4/1 to 4/1, and from 0.1 to 8% by weight of aluminum oxide.
摘要翻译： 描述了一种氮化硅烧结产品及其生产方法，其中该产品包含75至97.9重量％的氮化硅，2至20重量％的氧化钇和氧化铈，氧化铈与 氧化钇为0.4 / 1至4/1，和0.1至8重量％的氧化铝。
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公开(公告)号：US5106550A
公开(公告)日：1992-04-21
申请号：US192434
申请日：1988-05-11
申请人： Tetsuji Yogo , Yoshinori Hattori , Motohide Ando , Yasushi Katano
发明人： Tetsuji Yogo , Yoshinori Hattori , Motohide Ando , Yasushi Katano
CPC分类号： C04B37/001 , C04B35/584 , C04B35/645 , C04B2235/6562 , C04B2235/658 , C04B2237/32 , C04B2237/343 , C04B2237/36 , C04B2237/368 , C04B2237/568
摘要： A ceramic rotor is constituted by a shaft portion and a disk portion. The shaft portion and the disk portion are joined to constitute a single body by sintering. The shaft portion and the disk portion are so formed that the amount of contraction of the shaft portion at the time of sintering is larger by 0.1% to 3% than that of the disk portion such that compresson stress is induced in the disk portion.
摘要翻译： 陶瓷转子由轴部和盘部构成。 轴部和盘部通过烧结连接构成一体。 轴部和盘部形成为使得烧结时的轴部的收缩量比盘部分的收缩量大0.1％〜3％，从而在盘部中产生压缩应力。
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9.发明授权
公开(公告)号：US4440707A
公开(公告)日：1984-04-03
申请号：US428507
申请日：1982-09-29
IPC分类号： C04B35/591 , C04B35/584 , C04B35/593 , C04B35/38
CPC分类号： C04B35/593 , C04B35/584
摘要： A process for producing a silicon nitride sintered product having high toughness is described, comprising blending from 97 to 57% by weight of metallic silicon powder having a maximum particle size of 25 .mu.m or less with from 1 to 15% by weight, calculated as TiN, of a TiN powder having a maximum particle size of 20 .mu.m or less or a powder of titanium component capable of changing into TiN during reaction sintering, and from 2 to 28% by weight of one or more components selected from the group consisting of AlN, Al.sub.2 O.sub.3, SiO.sub.2 and oxides of rare earth elements, molding the resulting mixture, carrying out reaction sintering in a nonoxidizing atmosphere of a nitrogen gas or a nitrogen-containing mixed gas, and thereafter resintering in the same atmosphere at a temperature of from 1,600.degree. C. to 2,200.degree. C.
摘要翻译： 描述了一种制造具有高韧性的氮化硅烧结产品的方法，其包括将97至57重量％的最大粒度为25μm或更小的金属硅粉末与1至15重量％混合，计算为 TiN，其具有最大粒度为20μm以下的TiN粉末或能够在反应烧结时变为TiN的钛成分的粉末，以及2〜28重量％的选自以下的组分中的一种或多种： 的AlN，Al2O3，SiO2和稀土元素的氧化物，将所得混合物成型，在氮气或含氮混合气体的非氧化气氛中进行反应烧结，然后在相同的气氛中在 1600〜2200℃
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公开(公告)号：US4304576A
公开(公告)日：1981-12-08
申请号：US91662
申请日：1979-11-05
IPC分类号： C04B35/584 , B24D3/14 , C04B35/593 , B24D3/02 , C04B31/16
CPC分类号： C04B35/593 , B24D3/14 , Y10T407/27
摘要： A silicon nitride based ceramic tool is disclosed which is prepared from the starting powder compositions surrounded by and including the lines defined by the points A, B, and C and preferably D, E, and F in the FIGURE.
摘要翻译： 公开了一种氮化硅基陶瓷工具，其从由图A中的点A，B和C以及优选地D，E和F限定的线包围并包括线的起始粉末组合物制备。
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