重结晶
- recrystallization
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GAS超临界重结晶过程中的晶形控制问题
Crystalline Form Control in the Process of Supercritical Gas Antisolvent Recrystallization
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真空液相重结晶法改善InSb薄膜的组织和性能
Improving Structure and Electrical Properties of InSb Films by Vacuum Recrystallization
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穿心莲内酯超临界CO2重结晶工艺初探
Primary study on the technology of andrographolide recrystallization by using supercritical CO_2
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超临界CO2抗溶剂法重结晶AP微细颗粒的研究
Recrystallization of AP by Supercritical CO_ 2 as Anti-Solvent Method
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超临界二氧化碳GAS重结晶制备HMX微细颗粒的研究
Microparticle Formation of HMX by Supercritical Carbon Dioxide Antisolvent Recrystallization
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方法:采用溶剂重结晶,研磨,溶剂转换等方法制备,应用红外光谱、粉末X射线衍射和热分析等技术加以鉴定。
METHOD : Different crystal forms were prepared by recrystallization from solvents , grinding , changing solvents .
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纳米晶须的瓦解会削弱抗弯强度,而SiC颗粒重结晶可以增强抗弯强度。
The collapse of SiC whiskers weakened the flexural strength while recrystallization of grains swelled it .
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“黄帝”牌柴油颗粒捕集器采用重结晶碳化硅材料,拥有自主知识产权,产品性能达到欧V标准。
Huangdi brand diesel particulate filter applies recrystallized silicon carbide with proprietary intellectual property rights and meets Euro V standard .
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反应后产品用适量乙醇水溶液重结晶得到5-硝基水杨酸,含量≥99.8%(HPLC)。
The final product ( HPLC ≥ 99.8 % ) was obtained after recrystallizing by the proper ethanol solution .
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方法:采用工业酒精提取、胶柱层析、DS柱层析和重结晶等方法。
METHODS : Alcoholic extraction , silica gel , ODS column chromatography and recrystallization were used .
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在水热体系中制备出了CdS纳米粉体,并以此为原料进行重结晶,得到微米尺寸的六方管状CdS晶体;
CdS nanocrystals were synthesized in hydrothermal systems and then were recrystallized to obtain CdS hexagon tubular microcrystals .
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超临界CO2-GAS重结晶HMX过程温度对晶体形貌的影响
The Effect of Temperature on Morphology of HMX in the Processes of Supercritical Carbon Dioxide Antisolvent Recrystallization
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R和S苯丙哌林与磷酸成盐,经乙醇重结晶得R(+)和S(-)磷酸苯丙哌林。
R ( + ) - and S ( - ) - benproperine phosphate were recrystallized by EtOH . The optical purity was determined by chiral HPLC .
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不同粒度RDX的重结晶制备和机械感度研究
Recrystallization Preparation of Different Particle RDX and Study on the Mechanical Sensitivity
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一系列的电子显微镜表征结果证明Se纳米管的生长遵循一种成核溶解重结晶的过程。
A series of electron microscopy characterization results suggest that the growth of t-selenium nanotubes is governed by a nucleation-dissolution-recrystallization growth mechanism .
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重结晶法制备纳米RDX
Preparation of RDX Microcrystals with Nanometer Size by Recrystalization
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重结晶制备5级RDX工艺研究
A Study on Crystallization Technology of 5 Grade RDX
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γ-丁内酯重结晶HMX的粒度分级工艺
A Granulation Classifying Process of HMX Recrystallized by γ - Butyrolactone
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硅质糜棱岩是金山金矿床最主要的矿石类型,SiO2含量大于85%,由重结晶的石英亚颗粒组成。
The siliceous mylonite with SiO_2 more than 85 % is the main ore type of Jinshan gold deposit ;
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从混合铜矿混酸浸出液中去除Ca和Fe,结晶、重结晶制备CuSO4·5H2O工艺研究
Study on Removing Fe and Ca and Crystallizing CuSO_4 · 5H_2O from Leaching Solution of Mixed Copper Ore with Mixed Acid
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通过X射线衍射和扫描电镜分析了甘油/尿素/乙醇胺复合增塑剂的增塑效果和结晶行为,结果表明复合增塑剂可以使淀粉塑化,能明显抑制红苕淀粉的重结晶。
Analyzed the plasticized effect and crystal behavior by XRD and SEM , it showed that com-plasticizer can make sweet potato starch plasticized and keep down the crystallinity of sweet potato starch .
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碳酸盐岩成岩作用等。中期和后期O2?(4)结核矿物的结晶程度主要由重结晶等后期成岩作用所决定。
The crystallinity of the manganese-iron minerals is mainly controlled by the recrystallization and other petrogenetic functions during the long growth process .
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TEM亚微分析表明,细粒基质是由粗大碎屑经过亚颗粒旋转,并伴随着局部颗粒边界迁移形成的动态重结晶颗粒。
It is shown from TEM analysis that the fine grained matrix materials are mainly derived from the huge clasts by subgrain rotation and local grain boundary migration .
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型HMX微细颗粒。考察了压力、温度、溶液初始浓度及溶液膨胀速率对GAS重结晶过程、晶粒大小和晶型的影响以及晶体的增长。
Effects of pressure , temperature , initial feed concentration of HMX solute , expansion speed of solution and growth of crystal on the GAS process have been studied .
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该制备过程条件温和,包括三个步骤:浸涂ZnO量子点作为晶种,晶种层的重结晶以及ZnO纳米棒的水热生长。
The coating process was conducted in mild conditions , which involved the dip-coating of ZnO QDs as seeds , recrystallization of the seed layer and hydrothermal growth of ZnO nanorods .
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实验结果表明,以环己酮为溶剂,混合植物甾醇经过3次分级结晶后,b谷甾醇含量达到87%;以环己酮或正戊醇为溶剂,通过5次重结晶后,豆甾醇含量达到92%。
The experimental results show that the content of b-sitosterol is more than 87 % after the third fractional crystallization in cyclohexanone and the content of stigmasterol is more than 92 % after the fifth crystallization in n-pentanol or cyclohexanone .
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重结晶制备奥克托今(HMX)粒径及晶形的研究一种由小粒形成的晶体侵入岩。
STUDY ON PARTICLE SIZE AND CRYSTAL FORM OF HMX PREPARED BY RE-CRYSTALLIZATION a granular crystalline intrusive rock .
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重结晶法级配六硝基茋(HNS)的实验研究
Experimental Study on the Gradation of HNS by Recrystallization
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结果表明:熔融双峰现象起因于DSC等速升温过程中PET的部分熔融和重结晶;
The results indicate that the phenomenon of double melting peaks during DSC analysis is due to the partial melting and recrystallization of the crystallite at the moment of thermal scanning .
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实验结果表明,重结晶时随着结晶率的升高,结晶中的镁含量降低、母液的镁含量升高、密度降低和pH下降。
With the increase of the crystallization rate , the magnesium content in the crystals , the density and the pH value of the mother liquor decreases , while the magnesium content in the mother liquor increases .