Flood disaster control bag
    2.
    发明授权
    Flood disaster control bag 失效
    防洪防洪袋

    公开(公告)号:US4362433A

    公开(公告)日:1982-12-07

    申请号:US202371

    申请日:1980-10-30

    IPC分类号: E01F13/02 E02B3/10 E02B3/12

    摘要: A weighted water bag for forming levees or dikes, in order to hold back rising flood water, the bag being woven of fiber and including a waterproof or sand inner liner; rings and clips at corners allowing bags to be locked together, a water filler opening at one end, and fiber handles for each side of the opening for easy handling, including forms having portions of the bag filled with sand.

    摘要翻译: 一种用于形成堤坝或堤坝的加重水袋,以阻止上升的洪水,袋子由纤维编织而成,包括防水或砂内衬; 角落处的环和夹子允许袋子被锁定在一起,一端的加水口,以及用于容易处理的开口的每一侧的纤维把手,包括具有填充有沙子的袋的部分的形式。

    Acrylic acid recovery and purification
    3.
    发明授权
    Acrylic acid recovery and purification 失效
    丙烯酸回收和纯化

    公开(公告)号:US4166774A

    公开(公告)日:1979-09-04

    申请号:US857147

    申请日:1977-12-05

    申请人: David R. Wagner

    发明人: David R. Wagner

    摘要: The separation of acrylic acid from a mixture of acrylic acid and acetic acid found in the reaction product stream obtained in the process of producing acrylic acid by the oxidation of propylene or acrolein is improved by removing a vapor sidestream from the solvent recovery column found in the process. Acetic acid is then separated from this stream without the addition of external heat.

    摘要翻译: {PG,1]通过丙烯或丙烯醛的氧化在制备丙烯酸的方法中获得的反应产物流中发现的丙烯酸与乙酸的混合物中的丙烯酸的分离通过从溶剂回收中除去蒸汽侧流而得到改善 在该过程中发现的列。 然后将乙酸与该流分离,而不加入外部热。

    Process for the fluidized bed oxidation of ethane to acetic acid
    8.
    发明授权
    Process for the fluidized bed oxidation of ethane to acetic acid 失效
    将乙烷流化床氧化成乙酸的方法

    公开(公告)号:US5300684A

    公开(公告)日:1994-04-05

    申请号:US803882

    申请日:1991-12-09

    CPC分类号: C07C53/08 C07C51/215

    摘要: Disclosed is a process for oxidizing ethane to acetic acid which comprises feeding ethane and a recycle gas to a fluidized bed reaction zone containing fluidized particulate solid oxidation catalyst, feeding a molecular oxygen-containing gas separately from said ethane to said reaction zone so that said molecular oxygen-containing gas first mixes with the major portion of the combustible hydrocarbon feed gases within the fluidized bed, said process including the steps of (1) cooling the gaseous effluent from the reaction zone, (2) separating most of the acetic acid in liquid form from the effluent gases, leaving a gaseous stream containing nearly all of the carbon oxides contained in said effluent, (3) purging a small portion of said gaseous stream and recycling most of said gaseous stream as part of the feed to said reaction zone,wherein said purging serves to prevent build-up of carbon oxides in the reaction zone, and said recycling serves to maintain a high proportion of carbon oxides in said reaction zone gases, thus aiding in moderating the temperature elevating effect of the highly exothermic oxidation reaction in said reaction zone.

    摘要翻译: 公开了一种将乙烷氧化成乙酸的方法,该方法包括将乙烷和循环气体进料到含有流化的颗粒状固体氧化催化剂的流化床反应区,将含有分子的含氧气体与所述乙烷分开供给所述反应区,使得所述分子 首先将含氧气体与流化床内的可燃烃进料气体的主要部分混合,所述方法包括以下步骤:(1)冷却来自反应区的气态流出物,(2)将大部分乙酸分离成液体 从流出气体中形成,留下含有所述流出物中所含的几乎所有碳氧化物的气流,(3)吹扫所述气流的一小部分并将大部分所述气流作为进料的一部分再循环到所述反应区, 其中所述清洗用于防止反应区中碳氧化物的累积,并且所述循环用于维持高比例的碳氧化物 在所述反应区气体中,从而有助于缓和所述反应区中高放热氧化反应的温度升高作用。

    Fluid injection device
    10.
    发明授权
    Fluid injection device 有权
    流体注射装置

    公开(公告)号:US08298187B2

    公开(公告)日:2012-10-30

    申请号:US12498867

    申请日:2009-07-07

    IPC分类号: A61M5/178

    摘要: A medical device is provided. The device includes a cannula with a lumen and a plurality of apertures and a visually perceptible indicator that is configured to allow the cannula to be positioned at an appropriate rotational position within the patient. A plurality of injection needles are disposed within the lumen and a first handle is fixed with respect to the cannula and a second handle is disposed in conjunction with the first handle and fixed to the proximal portion of each of the plurality of needles, the first handle is translatable with respect to the second handle to translate the plurality of needles from a first position where the distal portions of each of the plurality of needles are disposed within the lumen of the cannula, and a second position where the distal portion of each of the plurality of needles extends out of the lumen through their respective aperture.

    摘要翻译: 提供医疗设备。 该装置包括具有内腔和多个孔的套管和视觉上可察觉的指示器,其被配置为允许套管定位在患者体内的适当旋转位置。 多个注射针设置在内腔内,并且第一手柄相对于套管固定,第二手柄与第一手柄结合设置并固定到多个针中的每一个的近端部分,第一手柄 可相对于第二手柄平移,以将多个针从多个针的每个的远端部分设置在套管的内腔内的第一位置平移,以及第二位置,其中每个的远端部分 多个针通过其相应的孔从管腔延伸出来。