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    • 2. 发明申请
    • Pull Model for File Replication at Multiple Data Centers
    • 在多个数据中心的文件复制的拉模型
    • US20090083342A1
    • 2009-03-26
    • US11861899
    • 2007-09-26
    • George TomicArthur Wong
    • George TomicArthur Wong
    • G06F12/16
    • G06F17/30215G06F11/2094
    • Various embodiments of a system and method for replicating a file over multiple data centers are described. The method may comprise creating a plurality of file records in a database at a data center that initially receives the file. Each record may correspond to a destination data center at which the file should be stored. The file records may be replicated to respective databases at each of the destination data centers, and each respective destination data center may pull a copy of the file to the respective destination data center. When a file is pulled to a given destination data center, the file record corresponding to the copy of the file at the given destination data center may be updated, and the updated file record may be communicated to the other destination data centers.
    • 描述用于在多个数据中心上复制文件的系统和方法的各种实施例。 该方法可以包括在最初接收文件的数据中心的数据库中创建多个文件记录。 每个记录可以对应于应该存储文件的目的地数据中心。 文件记录可以复制到每个目的地数据中心的相应数据库,并且每个相应的目的地数据中心可以将文件的副本提取到相应的目的地数据中心。 当文件被拉到给定的目的地数据中心时,可以更新与给定目的地数据中心的文件副本相对应的文件记录,并且更新的文件记录可以被传送到其他目的地数据中心。
    • 7. 发明授权
    • Abrasive wiping articles and a process for preparing such articles
    • 研磨擦拭物品及其制备方法
    • US5213588A
    • 1993-05-25
    • US868386
    • 1992-04-14
    • Arthur WongLarry N. MackeyJames J. FranxmanJohn B. Burchnall
    • Arthur WongLarry N. MackeyJames J. FranxmanJohn B. Burchnall
    • A47L13/17B24D3/28C11D17/04
    • A47L13/17B24D3/28C11D17/049
    • Disclosed are abrasive wiping articles, e.g., nonwoven, preferably paper towels, which comprise an absorbant nonwoven substrate having printed thereon a cured scrubbing bead mixture which comprises a) certain carboxylated, ionically-charged polymeric abrasive particles, b) a carboxyl group-containing polymeric adhesive material, and c) an amino-epichlorohydrin, e.g., Kymene.RTM., cross-linking agent. The polymeric abrasive particles range in size from about 20 to 400 microns and have a Knoop hardness of from about 4 to 25. The polymeric adhesive material, upon curing, has a Knoop hardness of from about 0.5 to 17.Preferred wiping articles of the foregoing type have a pattern of the scrubbing bead mixture printed onto from about 20% to 70% of the surface area of a paper substrate with the abrasive particles affixed to the substrate in such a manner that their exposed portion extends for a distance of from about 40 to 300 microns above the surface of the paper substrate. Wiping articles of this type are especially useful for removing soil and stain from hard surfaces with the polymeric scrubbing particles thereon being especially resistant to removal during use.Also disclosed is a process for preparing abrasive wiping articles as hereinbefore described. Such a process involves printing a pattern of the scrubbing bead mixture onto the paper substrate, drying the printed substrate and then curing the solid components of the scrubbing bead mixture to affix the abrasive scrubbing particles to the substrate. Curing of the particular scrubbing bead mixture employed can take place at room temperature.
    • 公开了一种研磨擦拭制品,例如无纺布,优选纸巾,其包括印刷有固化洗涤珠珠混合物的吸收剂非织造基底,其包含a)某些羧化的带离子的聚合物磨料颗粒,b)含羧基的聚合物 粘合剂材料,和c)氨基表氯醇,例如Kymene TM交联剂。 聚合物磨料颗粒的尺寸范围为约20至400微米,并且具有约4至25的诺普硬度。聚合物粘合剂材料在固化时具有约0.5至17的诺普硬度。上述优选的擦拭物品 类型的擦洗珠混合物的图案印刷到纸基材的表面积的约20%至70%,其中磨料颗粒以这样的方式固定,使得其暴露部分延伸约40 到纸基材表面300微米。 这种类型的擦拭物品尤其可用于从硬表面去除污垢和污渍,其上的聚合物洗涤颗粒在使用期间特别耐除去。 还公开了如上所述的用于制备磨料擦拭物品的方法。 这种方法包括将洗涤珠混合物的图案印刷到纸基材上,干燥印刷的基材,然后固化洗涤珠混合物的固体组分以将研磨剂洗涤颗粒固定到基材上。 使用的特定洗涤珠混合物的固化可以在室温下进行。