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科研机构
大连理工大学 [8]
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专利 [8]
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2016 [2]
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内容类型:专利
专题:大连理工大学
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High-purity urea solution manufacturing system for vehicle, has crystallization kettle whose upper part is equipped with heating device and stirring device, and distillation water storage tank connected with urea solution manufacturing tank.
专利
申请日期: 2016-01-01, 公开日期: 2016-05-18
作者:
HE G JIANG X LI P LI X LU D REN J
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浏览/下载:7/0
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提交时间:2019/12/09
Reducing biuret content in industrial urea involves adding industrial urea as raw material and anhydrous methanol or ethanol as extracting agent and then extracting obtained material.
专利
申请日期: 2016-01-01, 公开日期: 2016-01-13
作者:
HE G ZHANG X CUI Y LI Z
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浏览/下载:2/0
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提交时间:2019/12/09
Preparing hydrophobic starch sulfate useful in preparing cement water reducing agent, comprises placing sulfamic acid, starch, urea, aliphatic tertiary alcohol and water in a reactor, and reacting.
专利
申请日期: 2014-01-01, 公开日期: 2014-09-03
作者:
JU B ZHANG S
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浏览/下载:5/0
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提交时间:2019/12/11
Preparation of hoist and gourd urea derivative by mixing glycoluril-aldehyde polymer or glycoluril and aldehyde, acid ionic liquid and solvent, reacting, standing, cooling, and crystallizing or adding organic solvent.
专利
申请日期: 2014-01-01, 公开日期: 2014-09-03
作者:
LIU L
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浏览/下载:2/0
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提交时间:2019/12/11
Synthesis of aza quat. carbon primary amine by using styrene acidic resin as catalyst, under normal pressure, mixing tertiary alcohol, urea, and styrene acidic resin for reaction, refluxing, and conducting filtering and recovery treatment.
专利
申请日期: 2013-01-01, 公开日期: 2013-02-13
作者:
MA E ZHOU X FENG L CHEN J CHEN Y JI
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浏览/下载:8/0
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提交时间:2019/12/13
Classification of partial low freezing point glyceride used for edible oil product comprises dissolving urea as inclusion compound with short chain sterols, adding with partial glyceride, refluxing, cooling and crystallizing.
专利
申请日期: 2009-01-01, 公开日期: 2009-11-11
作者:
LI P MU Y YANG T
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浏览/下载:13/0
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提交时间:2019/12/24
Basic magnesium carbonate three-dimension nanometer flower structure preparation by mixing magnesium chloride hexahydride with urea, and adding dispersant.
专利
申请日期: 2007-01-01, 公开日期: 2007-10-24
作者:
WANG B YU C JING D
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浏览/下载:4/0
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提交时间:2019/12/27
Preparation process of superfine zeolite powder includes mixing suspension with formaldehyde and urea in certain proportion, then mixture solution is let stand under specified conditions before solid matter is collected through filtering.
专利
申请日期: 2003-01-01, 公开日期: 2003-08-20
作者:
GUO H WANG X
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浏览/下载:2/0
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提交时间:2020/01/02
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