重结晶

chónɡ jié jīnɡ
  • recrystallization
重结晶重结晶
  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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 .

  7. 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 .

  8. “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 .

  9. 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 .

  10. 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 .

  11. 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 .

  12. 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

  13. 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 .

  14. 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

  15. 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 .

  16. 重结晶法制备纳米RDX

    Preparation of RDX Microcrystals with Nanometer Size by Recrystalization

  17. 重结晶制备5级RDX工艺研究

    A Study on Crystallization Technology of 5 Grade RDX

  18. 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

  19. 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 ;

  20. 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

  21. 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 .

  22. 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 .

  23. 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 .

  24. 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 .

  25. 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 .

  26. 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 .

  27. 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 .

  28. 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

  29. 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 .

  30. 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 .