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    • 4. 发明申请
    • METHOD FOR RESURFACING CONCRETE PAVEMENT USING A READY MIXED DRY MORTAR
    • 使用准备好的混合干燥泥浆重新填充混凝土的方法
    • WO2010147328A2
    • 2010-12-23
    • PCT/KR2010003669
    • 2010-06-08
    • LEE POONG HEEPARK NAM ILHANIL CEMENT CO LTDLEE SEUNG WOOKIM JUNG HWANHAN JOUNG HEECHO SUNG HYUN
    • LEE POONG HEEPARK NAM ILLEE SEUNG WOOKIM JUNG HWANHAN JOUNG HEECHO SUNG HYUN
    • E01C23/00C04B14/02E01C19/02E01C19/22
    • E01C7/147C04B28/02C04B2111/00482C04B2111/0075C04B14/04C04B24/2641C04B41/53
    • The present invention relates to a method for resurfacing a concrete pavement using a ready mixed dry mortar, and more particularly, to a method for resurfacing a concrete pavement using a ready mixed dry mortar which supplies, through a mixer, a concrete mixture containing a ready mixed dry mortar obtained by mixing quick hardening cement and dry sand to resurface a concrete pavement in an efficient manner. For this, the method comprises: a step of cutting a road surface to be resurfaced and cleaning the cut surface; a step of mixing quick hardening cement and dry sand to produce a ready mixed dry mortar; a step of mixing the ready mixed dry mortar, gravel, acryl polymer dispersant, water and admixture using a mixer to produce a concrete mixture; a step of placing the concrete mixture all over the cut surface using a spreading machine; a step of texturing the rough cut surface using a texturing machine after the step of placing; a step of curing the concrete mixture in the atmosphere without using a curing agent after the step of finishing the rough cur surface; and a step of constructing a sealant all over the road surface after the step of curing.
    • 本发明涉及一种使用准备好的混合干砂浆来表面铺满混凝土路面的方法,更具体地说,涉及一种使用准备好的混合干砂浆来重新铺展混凝土路面的方法,该混合干砂浆通过混合器将含有准备好的混合干燥砂浆的混凝土混合物 通过混合快速硬化水泥和干砂获得的混合干砂浆以有效的方式重新铺上混凝土路面。 为此,该方法包括:切割要重新表面的路面并清洁切割表面的步骤; 混合快速硬化水泥和干砂以生产准备好的混合干砂浆的步骤; 使用混合器将预混合的干砂浆,砾石,丙烯酸聚合物分散剂,水和混合物混合以产生混凝土混合物的步骤; 使用撒布机将混凝土混合物整个切割表面放置的步骤; 在放置步骤之后使用变形机对粗切面进行纹理化的步骤; 在完成粗糙表面的步骤之后,在不使用固化剂的情况下固化大气中的混凝土混合物的步骤; 以及在固化步骤之后在整个路面上形成密封剂的步骤。
    • 5. 发明申请
    • SECURE SIGNING METHOD, SECURE AUTHENTICATION METHOD AND IPTV SYSTEM
    • 安全认证方法,安全认证方法和IPTV系统
    • WO2009035283A3
    • 2009-05-22
    • PCT/KR2008005393
    • 2008-09-11
    • LG ELECTRONICS INCPARK IL GONCHO SUNG HYUNCHUNG MIN GYUKIRAN KUMAR KJEONG MAN SOOPAK KOO YONG
    • PARK IL GONCHO SUNG HYUNCHUNG MIN GYUKIRAN KUMAR KJEONG MAN SOOPAK KOO YONG
    • H04N7/16H04N7/24
    • H04N21/8358H04N7/162H04N21/23892H04N21/2541H04N21/4623H04N21/6125H04N21/6175
    • A secure signing method, a secure authentication method, and an IPTV system are disclosed. The secure signing method includes preparing digital signature header fields and setting an attribute, calculating a hash digest of content using a hashing algorithm, storing the calculated hash value in a message digest field of the digital signature header, encrypting the message digest using a secret key and inserting the encrypted message digest in a signature field of the digital signature header, and associating the digital signature header with the content by prefixing the digital signature header to the content. The secure authentication method includes checking whether a format and value of a digital signature header of content are appropriate, calculating a hash digest of the content using a hashing algorithm, comparing the calculated hash value with a message digest field of the digital signature header, decrypting the hash value of the signature field of the digital signature header using a public key extracted from a certificate field, and comparing the decrypted hash value with the message digest.
    • 公开了安全签名方法,安全认证方法和IPTV系统。 安全签名方法包括准备数字签名头字段并设置属性,使用散列算法计算内容的散列摘要,将计算的散列值存储在数字签名头的消息摘要字段中,使用密钥对消息摘要进行加密 以及将加密的消息摘要插入数字签名头部的签名字段中,并且通过将数字签名头部前缀到内容来将数字签名头部与内容相关联。 安全认证方法包括:检查内容的数字签名标题的格式和值是否合适,使用散列算法计算内容的哈希摘要,将计算的哈希值与数字签名头的消息摘要字段进行比较,解密 使用从证书字段提取的公钥的数字签名头的签名字段的哈希值,并将解密的哈希值与消息摘要进行比较。