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    • 2. 发明授权
    • Heat transfer surface with a microstructure of projections galvanized onto it
    • 热传导表面具有镀锌的突起的微结构
    • US06736204B2
    • 2004-05-18
    • US10305569
    • 2002-11-27
    • Dieter GollanJovan MitrovicAndreas SchulzHelmut Pietsch
    • Dieter GollanJovan MitrovicAndreas SchulzHelmut Pietsch
    • F28F700
    • F28F13/187C25D5/022C25D7/00F28F1/124Y10S165/905
    • This invention relates to a heat transfer surface (3) or tubular or plate-like bodies (4) having a microstructure (7) projecting out of the base surface (3a) and consisting of projections (6) which are galvanized onto the base surface (3) with a minimum height of 10 &mgr;m. The object of this invention is to create a heat transfer surface (3) of this type which is characterized by an increase in thermal efficiency of its heat transfer surfaces (3) with the smallest possible temperature differences and is suitable for both nucleate boiling and film condensation with a justifiable manufacturing expense. The object is achieved according to this invention by the fact that the base surface (3a) is covered entirely or partially with projections (6); these projections (6) are applied in the form of ordered microstructures (7) and they have a pin shape, extending with their longitudinal axis (6c) either at a right angle to the base surface (3a) or at an angle (&agr;) between 30° and 90°.
    • 本发明涉及一种传热表面(3)或管状或板状体(4),其具有从基面(3a)突出的微观结构(7),并且包括突起(6),其被镀锌到基面 (3),其最小高度为10um。本发明的目的是创造一种这种传热表面(3),其特征在于以最小的可能性增加其传热表面(3)的热效率 温度差异并且适合于具有合理制造费用的核沸腾和膜冷凝。根据本发明,通过基部表面(3a)完全或部分地覆盖有突起(6)的事实来实现目的。 这些突起(6)以有序微结构(7)的形式施加,并且它们具有销形状,它们的纵向轴线(6c)以与基座表面(3a)成直角的角度(α)延伸, 在30°和90°之间。
    • 3. 发明授权
    • Absorbent material for aqueous physiological fluids and process for its
production
    • 含水生理液体的吸收材料及其生产工艺
    • US4169121A
    • 1979-09-25
    • US831755
    • 1977-09-09
    • Helmut PietschWalter Horn
    • Helmut PietschWalter Horn
    • A61L15/28C08L1/06C08L1/24A61F13/20D02G3/02
    • C08L1/06A61L15/28Y10S604/904
    • An absorbent material is provided having exceptional fluid suction and holding power for aqueous physiological fluids, and which is thus especially adaptable for use as tampons, sanitary napkins, baby diapers, hospital pads and the like. The material consists essentially of cellulose fibers containing from 5 to 20% by weight of sodium carboxymethyl cellulose. The material is formed by a process in which a viscose spinning solution is produced from cellulose xantogenate by dissolving in aqueous caustic soda solution and permitting the solution to ripen, spinning the latter in an acid spinning bath, and then cleaning and drying the resultant threads, the spinning solution containing 5 to 20% by weight of sodium carboxymethyl cellulose.
    • 提供了一种吸收材料,其具有用于水性生理液体的特别的液体抽吸和保持力,因此特别适用于棉塞,卫生巾,婴儿尿布,医院垫等。 该材料基本上由含有5-20重量%羧甲基纤维素钠的纤维素纤维组成。 该材料通过以下方法形成,其中通过溶解在苛性钠水溶液中并使溶液熟化,然后在酸性纺丝浴中将其纺丝,然后清洗和干燥所得到的丝线,由粘多糖纤维素由丝氨酸纤维素生产粘胶纺丝溶液, 所述纺丝溶液含有5〜20重量%的羧甲基纤维素钠。