相图

By using personal computer to collect, display, analyze the temperature data of samples, and draw cooling curve and phase diagram, automatic collecting and processing the data of binary alloy phase diagram experiment was realized.

研究将微型计算机控制技术应用于物理化学实验中，使用微型计算机自动采集、显示和分析合金样品的温度数据，绘制步冷曲线和相图，实现了二元合金相图实验数据的自动采集与处理。

Also there is much difference between the obtained metastable phase diagram at 35 ℃ and the metastable phase diagram at 25 ℃. The crystallization regions of schoenite(K2SO4*MgSO4*6H2O) and epsomite disappear and arise the crystallization regions of leonite and kainite.

所得35 ℃介稳相图与25 ℃介稳相图区别很大：软钾镁矾和七水硫酸镁结晶区域消失，同时出现了钾镁矾和钾盐镁矾的结晶区域。

A large difference is found between the obtained metastable phase diagram at 35 ℃ and Vant Hoffs stable phase diagram at 25 ℃. The crystallization regions of schoenite(K2SO4*MgSO4*6H2O), epsomite(MgSO4*7H2O), magnesium sulfate pentahydrite(MgSO4*5H2O) and starkeyite(MgSO4*4H2O) disappear and the crystallization regions of leonit and astrankit are greatly incresed.

所得35 ℃介稳相图与Vant Hoff 25 ℃稳定相图比较有较大区别：软钾镁矾（K2SO4*MgSO4*6H2O）、七水硫酸镁、五水硫酸镁及四水硫酸镁结晶区域消失，钾镁矾和钾盐镁矾结晶区域显著扩大。

According to the experimental data, the equilibrium phase diagram and density-composition diagram of the quaternary system were plotted.

依据实验测定的平衡溶解度数据及对应的平衡固相，绘制了该四元体系的平衡相图以及其密度-组成图。

Solubilities and densities in solution of the system were determined experimentally. The equilibrium phase diagram and the density-composition diagram of the quaternary system were plotted using experimental data.

依据实验测定的平衡溶解度数据及对应的平衡固相，绘制了该四元体系的平衡相图以及其密度－组成图。

The local phase equilibrium principle is recommended as well as the outline of the method of diffusion couples in determining the equilibrium phase diagram.

扩散偶法是一种高效的、可靠的相图测定方法，它可以大幅度减少实验工作量，减少原材料消耗，加快相图实测进程。

The phase diagrams of PEG/phosphate aqueous two-phase systems and the partition properties of BSA in the systems The PEG/phosphate aqueous two-phase system was regarded as the research object, the contents of phosphate and the polyethylene glycol in the system were measured by weighting and freeze-drying method respectively. Two diagrams were successfully drawn, and the characteristics such as binodal curves, tie lines and lever rule of the phase diagrams of the aqueous two-phase systems were described, as well as the achieved phase diagrams were qualitative analyzed with thermodynamics.

本论文以聚乙二醇／磷酸盐双水相系统相图和相分离过程及牛血清清蛋白在双水相系统中的分配特性为研究基础，从探讨超声波对双水相系统组成物质磷酸盐和PEG溶液的作用机理入手，建立了静态环境中双水相萃取过程的相分离数学模型，揭示了超声波对双水相系统组成和溶质分配效率影响的规律。

Samples of the equilibrium solid phase in Rb_2SO_4-PEG4000-H_2O system at 25 ℃ analyzed by TGA showed that they consisted of anhydrous salt. Six zones were observed in the complete phase diagram. They are L, L+L, L+S, 2L+S and L+2S, respectively. The binodal curves were given using a four-parameter equation y = a + bx~(0.5)+cx+dx~2. The tie lines were correlated by the Othmer-Tobias and Bancroft equations.

同时我们用热重分析仪对Rb_2SO_4—PEG 4000—H_2O三元体系在25℃时的平衡固相进行分析，发现在实验研究的温度范围内，体系的平衡固相均为无水盐，且在体系的完整相图中，观察到六个相区，分别为L，L+L，L+S，2L+S和L+2S相区，即非饱和的单液相区，非饱和的双液相区，饱和的单液相区，饱和的双液相区和两种固相(Rb_2SO_4，PEG 4000)存在的饱和单液相区。

The formation of secondary phase in the non-equilibrium peritectic reaction was observed by precise transmission electron microscopy analysis. The microstructural evolution and phase selection regularities under different solidification velocities were constructed from the laser resolidification experiments. A new phenomenon involving two-phase coupled growth was firstly detected in the rapidly solidified Ti-Al peritectic alloy. The Ti-45Al-2Cr-2Nb alloy with fully lamellar structure ( a 2+ g ) was taken as an object to investigate the possible preparation of bulky metastable g phase materials based on both adjusting the competing nucleation relation and changing the growth kinetics condition.

首先通过过冷合金微观组织分析界定了各包晶合金熔体中各竞争相以初生相出现的过冷度区间；结合高温区的相图计算，从各相形核孕育时间角度揭示了过冷熔体中亚稳相与稳定相的竞争形核关系；通过精细微观组织分析，阐明了远离平衡时包晶反应中次生相的形成机理；在激光重凝快速凝固实验中建立了不同凝固速度下合金的组织与相形成规律，并对包晶合金中两相共生生长行为进行了深入分析；最后选取初生相为 a 的全层片 Ti-45Al-2Cr-2Nb 合金，从调整各相竞争形核关系和改变晶体生长动力学条件两个方面探索了块状亚稳 g 相材料的制备和控制。

Based on the solubility data, the phase diagram of the system was plotted, which consists of three univariant curves E1E, E2E and E3E, one invariant point E and three crystallization fields: KCl, K2B4O74H2O and K2SO4 The experimental result s show that potassium chloride had the salting-out effect on potassium borate (K2B4O74H2O), and potassium sulphate (K2SO4) Meanwhile, the law of density was discussed briefly.

根据实验数据绘制了相应的相图。相图中有一个共饱点E，三条单变曲线E1E，E2E和E3E；三个结晶区平衡固相分别为：K2B4O74H2O，K2SO4和KCl。实验结果表明KCl对K2B4O74H2O和K2SO4有盐析作用，并简要讨论了密度变化规律。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。