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    • 6. 发明授权
    • Method and apparatus for optimistic locking using SQL select, update, delete, and insert statements
    • 使用SQL select,update,delete和insert语句来乐观锁定的方法和设备
    • US08166009B2
    • 2012-04-24
    • US12751564
    • 2010-03-31
    • Robert Michael Hunter Dunn
    • Robert Michael Hunter Dunn
    • G06F7/00G06F17/00
    • G06F17/30351G06F17/30362G06F17/30377Y10S707/99952
    • A method, computer program product and data processing system for optimistic locking. An integer column is added to a database table. A Structured Query Language statement is constructed and prepared to form a prepared Structured Query Language statement, wherein a result set of the prepared Structured Query Language statement includes the integer column. Any required parameter information is set in the prepared Structured Query Language statement. The prepared Structured Query Language statement is executed in a database transaction. A unique key associated with an element of the result set of the prepared Structured Query Language statement is determined. The row of the database table that the unique key is associated with is determined. A value in the integer column of the determined row is determined. The value in the integer column of the determined row is stored to form a stored value associated with the unique key, wherein the stored value ceases to exist when the database transaction ends.
    • 一种用于乐观锁定的方法,计算机程序产品和数据处理系统。 一个整数列被添加到数据库表中。 构造和准备结构化查询语言语句以形成准备好的结构化查询语言语句,其中准备的结构化查询语言语句的结果集包括整数列。 任何必需的参数信息都在准备的结构化查询语言语句中设置。 准备好的结构化查询语言语句在数据库事务中执行。 确定与准备的结构化查询语言语句的结果集的元素相关联的唯一键。 确定与唯一密钥相关联的数据库表的行。 确定所确定行的整数列中的值。 所确定的行的整数列中的值被存储以形成与唯一密钥相关联的存储值,其中当数据库事务结束时存储的值不再存在。
    • 9. 发明申请
    • Partial conversion hydrocracking process and apparatus
    • 部分转化加氢裂化工艺及装置
    • US20070068851A1
    • 2007-03-29
    • US11234163
    • 2005-09-26
    • Michael HunterAngelica VivasLars JensenGordon Low
    • Michael HunterAngelica VivasLars JensenGordon Low
    • C10G45/00B01J8/02B01J4/00
    • B01J8/0457B01J8/0453B01J2208/00849C10G65/12C10G69/00C10G2400/04
    • Partial conversion hydrocracking process comprising the steps of (a) hydrotreating a hydrocarbon feedstock with a hydrogen-rich gas to produce a hydrotreated effluent stream comprising a liquid/vapour mixture and separating the liquid/vapour mixture into a liquid phase and a vapour phase, and (b) separating the liquid phase into a controlled liquid portion and an excess liquid portion, and (c) combining the vapour phase with the excess liquid portion to form a vapour plus liquid portion, and (d) separating an FCC feed-containing fraction from the controlled liquid portion and simultaneously hydrocracking the vapour plus liquid portion to produce a diesel-containing fraction, or hydrocracking the controlled liquid portion to produce a diesel-containing fraction and simultaneously separating a FCC feed-containing fraction from the vapour plus liquid portion. The invention also includes an apparatus for carrying out the partial conversion hydrocracking process.
    • 部分转化加氢裂化方法包括以下步骤:(a)用富氢气体加氢处理烃原料,以产生包含液体/蒸汽混合物的加氢处理流出物流,并将液体/蒸汽混合物分离成液相和气相,以及 (b)将液相分离成受控的液体部分和过量的液体部分,和(c)将气相与过量的液体部分组合以形成蒸气加液体部分,和(d)分离含FCC进料的馏分 从受控的液体部分中并同时加氢裂化蒸气加液体部分以产生含柴油馏分,或加氢裂化受控液体部分以产生含柴油馏分,同时将FCC进料的馏分与蒸气加液体部分分离。 本发明还包括用于进行部分转化加氢裂化过程的装置。