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    • 3. 发明授权
    • Process and method for hydroxyalkylation of starch and hydroxyalkyl
starch prepared accordingly
    • 制备相应的淀粉和羟烷基淀粉的羟烷基化方法和方法
    • US06051700A
    • 2000-04-18
    • US248452
    • 1999-02-11
    • Jiao Wang
    • Jiao Wang
    • C08B31/12C12P19/14C12S3/12C08B31/10
    • C12P19/14C08B31/12
    • Disclosed are a method and process for preparing a hydroxyalkyl starch. In accordance with the disclosed invention, the starch is treated with an enzyme under conditions to increase the susceptibility of the starch to hydroxyalkylation by a hydroxyalkylating agent. After the starch is so treated, the starch is hydroxyalkylated with a hydroxyalkylating agent. The hydroxyalkylation reaction can proceed to provide a starch having an MS greater than about 0.2, while still remaining in granular form in the aqueous suspension. The method of the invention thus provides a granular starch having a higher MS than is otherwise attainable via a reaction in aqueous media.
    • 公开了制备羟烷基淀粉的方法和方法。 根据所公开的发明,淀粉用酶处理,以增加淀粉对羟烷基化剂的羟烷基化的敏感性。 淀粉经过如此处理后,淀粉用羟烷基化剂进行羟烷基化。 羟基烷基化反应可以进行以提供MS大于约0.2的淀粉,同时仍然以水性悬浮液的形式存在。 因此,本发明的方法提供了一种具有比通过水性介质中的反应可获得的MS更高的颗粒淀粉。
    • 6. 发明授权
    • Method, apparatus and system for spectrum prediction
    • 频谱预测的方法,装置和系统
    • US08687516B2
    • 2014-04-01
    • US13407220
    • 2012-02-28
    • Gong ZhangJiao WangYanping Xiang
    • Gong ZhangJiao WangYanping Xiang
    • H04L1/00
    • H04W16/14H04W48/16H04W72/1215
    • Method, system and apparatus for spectrum prediction are provided. The method includes: obtaining the first sampling data of target spectrum, wherein the first sampling data including existing service information, channel information and channel state information of the target spectrum; extracting channel state information of all channels of the same service in each timeslot from the first sampling data, and generating a sampling matrix; extracting a spectrum resource occupancy mode combination of the target spectrum from the sampling matrix; obtaining the second sampling data of the target spectrum, matching the spectrum resource occupancy mode combination according to the second sampling data of the target spectrum, and predicting the channel state of the target spectrum in a future timeslot according to the matching result.
    • 提供了频谱预测的方法,系统和装置。 该方法包括:获得目标频谱的第一采样数据,其中第一采样数据包括目标频谱的现有业务信息,信道信息和信道状态信息; 从第一采样数据中提取每个时隙中相同业务的所有信道的信道状态信息,并生成采样矩阵; 从采样矩阵中提取目标频谱的频谱资源占用模式组合; 获得目标频谱的第二采样数据,根据目标频谱的第二采样数据匹配频谱资源占用模式组合,并根据匹配结果预测未来时隙中目标频谱的信道状态。