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过饱和溶液

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  • supersaturated solution
过饱和溶液过饱和溶液
  1. 提出了过饱和溶液中ZnO的结晶包括特定表面上的异质成核和随后的晶体生长两个过程;

    It was proposed that two processes are required for crystallization in a supersaturated solution : heterogeneous nucleation on a specific surface and subsequent crystal growth .

  2. 研究表明,此观赏石晶体为铵明矾,而不是水晶,并证实此观赏石是铵明矾在过饱和溶液中环绕水泥柱结晶而成。

    The results show that the synthetic crystal ornamental stone is tschermigite and is crystallized around a cement stick in supersaturated solution .

  3. CO2释放对碳酸钙过饱和溶液析晶过程的影响

    Influence of CO_ 2 Release on Process of Precipitation of Calcium Carbonate

  4. 不同pH值下KDP过饱和溶液的成核研究

    Investigation on the nucleation kinetics of supersaturation solution of KDP with different pH value

  5. 根据经典成核理论,利用诱导期数据计算了KDP过饱和溶液的固-液界面张力、临界晶核半径等成核参数,并与理论计算值进行比较。

    The interfacial tension and critical radius of nuclei were calculated basing on the induction period data by using the classical nucleation theory .

  6. 本文用目测法测定了KDP过饱和溶液的形核诱导期并考察了温度、过饱和度比对诱导期的影响。

    The induction period of KDP were determined by the visual method and the effects of temperature and supersaturation on the induction period were observed .

  7. 指出HHM晶体在甲苯为溶剂的过饱和溶液中的成核速率随着温度和过饱和比的提高而增大。

    It can be presumed that the nucleation rate of HHM will increase with the rise of temperature and supersaturated ratio , when toluene used as dissolvent .

  8. 利用接种生长方法研究了TATMP对过饱和溶液中碳酸钙晶体生长速度的影响。

    The effect of TATMP on the growth rate of calcite crystals in supersaturated solutions is studied with seeded growth technique .

  9. 利用时间延迟摄像显微镜(TLVM)系统,研究了磁处理对碳酸钙过饱和溶液析出晶型的影响。

    Using time lapse video microscope system , the effect of magnetic treatment on the deposits precipitated from the supersaturated calcium carbonate solution has been studied .

  10. 文章中将遗传算法应用于过饱和溶液Li2O·3B2O3&H2O体系结晶过程动力学参数辨识,确定了结晶反应速率常数、热力学平衡浓度和表观反应级数。

    In this paper , genetic algorithms are employed to recognize the dynamic parameters of crystalline process in supersaturated solutions of Li 2O + B 2O 3 H 2O system . The recognized parameters are crystalline reaction rate , thermodynamic equilibrium concentration and apparent reaction order .

  11. 利用双道析晶动力学实时监测系统(DPMS)和时间延迟摄像显微镜(TLVM)系统,验证了磁场抑制碳酸钙过饱和溶液析晶过程中磁记忆效应的存在。

    With the use of " Dynamic Precipitation Measurement System ( DPMS ) of double-channels " and " Time Lapse Video Microscope system ( TLVM )", the existence of magnetic memory effect during the magnetic treatment on the supersaturated calcium carbonate solution is confirmed .

  12. 电光晶体硒酸氢铷过饱和溶液的成核研究

    Study on Nucleation in Supersaturated Solution of Electro-optical Crystal Rubidium Hydrogen Selenate

  13. 磁处理碳酸钙过饱和溶液析晶过程中的磁记忆效应

    Effect of Magnetic Field on the Precipitation of Supersaturated Calcium Carbonate Solution

  14. 过饱和溶液就是装了超过溶解量的溶液。

    A super saturated solution is one that holds more than it can hold .

  15. 结构模型的计算表明,过饱和溶液中存在着水共享离子对和接触离子对。

    The calculation of the structural model shows there exist the water-shared ion-pair and the contact ion-pair in the supersaturated solutions .

  16. 本文以蔗糖过饱和溶液为研究对象,研究了声场对糖液结晶,尤其是对晶体生长的影响。

    In this paper , it is discussed that sonic field influences the crystallization of the sugar solution , especially on the Crystal growth .

  17. 纯碳酸钙过饱和溶液析出的碳酸钙晶体有两种主要的形态:薄片状菱形晶体和类似立方体的菱方体晶体。

    The calcite crystals precipitated from pure supersaturated calcium carbonate exhibit mainly two habits : flat like rhombic crystal and rhombohedral crystal similar to a cube .

  18. 发现丁炔二醇与水可形成比较稳定的过饱和溶液,介稳区较宽,属于低产率的结晶体系;

    It is shown that butynediol and water can orm stable supersaturated solution , and the crystallization yields are often low on account of he high solubility of the crystals .

  19. 该方法包括将含所述药用有效成分的过饱和溶液在结晶的同时用湿法磨碎设备进行湿法磨碎,以获得初级粒子悬浮液。

    During crystallisation , an oversaturated solution is subjected to wet milling by means of a wet milling device ; as a result , a primary grain suspension is obtained .

  20. 此外,还可以用激光拉曼光谱和在垂直静置液柱中的浓度梯度来证实和测定这种溶质团粒的存在。这种浓度梯度是过饱和溶液中由于重力的影响而形成的。

    Moreover , the existence of clusters of solute has been detected by both Raman Spectroscopy and analy sis of concentration gradients generated in supersaturated solutions under the influence of gravity .

  21. 本文主要研究二水硫酸钙在稳定过饱和溶液(Ca2+浓度为0.035M)中晶体生长现象及不同无机物质作为添加剂对晶体生长的影响。

    The crystal growth phenomenon of CaSO 4 · 2H 2O and the effects of different inorganic substances as additives on it in the stable supersaturated solution . are studied mainly in this paper .

  22. 通过均匀设计,优选出的工艺条件为:结晶控制颗粒粒径70~100μm,质量分数0.5%,过饱和溶液冷却速度3.5℃/min。

    The technical conditions were optimized as follows : particle size and adding quantity of NQ crystallization control particles were 70-100 μ m and 0.5 % respectively , cooling rate of super-saturation solution was 3.5 ℃ / min.

  23. 应用拉曼光谱和电动态平衡技术研究了单滴醋酸钠和醋酸镁的过饱和溶液,特别是对在不同相对湿度条件下的结构变化以及接触离子对的形成进行了详细讨论。

    Raman spectroscopy and electrodynamic balance ( EDB ) technique were used to study the supersaturated droplets of NaCH_3COO and Mg ( CH_3COO ) _2 . Particularly , the structural changes and the formation of contact-ion pairs at different relatively humidity ( RH ) were discussed in detail .

  24. 硼酸镁过饱和水溶液稀释和酸化过程中的Raman光谱

    Raman Spectroscopy of Supersaturated Solution of Magnesium Borate during Dilution and Acidification

  25. 在这里有机分子用于模仿生物大分子;过饱和水溶液用于模仿生物环境。

    Here , the organic molecules are used to mimic biomacromolecules , and the supersaturated solution is used to mimic biological media .

  26. Na~+和K~+对过饱和铝酸盐溶液均相成核过程的影响

    The Influence of Na ~ + and K ~ + on the Homogeneous Nucleation of Al ( OH ) _3 Crystal from Supersaturated Caustic Aluminate Solution

  27. 研究了晶种存在下丙烯酸/乙酸乙烯酯无规共聚物对碳酸钙从过饱和水溶液中结晶的影响。

    The influence of acrylic acid / vinyl acetate random copolymers on the crystallization of calcium carbonate from a supersaturated aqueous solution in the presence of seed crystals was studied .

  28. 过饱和硝盐水溶液淬火处理碳素工具钢

    Application of Supersaturated Nitrate Solution for Quenching Carbon Tool Steel

  29. 本文通过用过饱和硝盐水溶液作冷却介质淬火和用盐水&油双介质淬火处理碳素工具钢的理论依据及工艺结果的比较,对两种工艺的替代进行了研究。

    In this paper , the theoretical foundations and technological results of quenching of carbon tool steel in supersaturated nitrate solution are compared with those of interrupted quenching ( salt water-oil ), and the possible replacement between the two processes is studied .

  30. 采用化学沉积法,在ZnO晶种面上研究了纳米棒于70℃过饱和硝酸锌/氢氧化钠溶液中的定向生长。

    ZnO nanorods on ZnO-coated seed surfaces were fabricated by chemical deposition method using supersaturated Zn ( NO3 ) 2 / NaOH at 70 ℃ .