球化

It is especially discussed that the principle, operation process and effects of the operation parameters on the characteristic of the products when the hydrophilic drug micronized with the supercritical assisted atomization which is an improvement on the supercritical anti-solvent technology. It is also introduced that the embedment of hydrophobic drug into biodegradable materials with the use of surfactant as well as the effect of different molecular weight of carrier and different ratio of complex carrier on the characteristic of products is made. It is pointed out that the use of surfactant will improve the micronization of microparticles of the hydrophobic drugs.

在药物微粉化方面，着重介绍了超临界辅助原子化法对水溶性药物的处理，包括该方法的原理、操作方法以及操作参数对产品性能的影响，证明该方法用于改善水溶性药物的微粉化具有良好的效果；在制备药物微球方面，重点介绍了不同操作条件和不同分子质量的载体、不同配比的复合载体对药物微球性能的影响以及表面活性剂在亲脂性及离子型药物微球制备中的应用，指出添加表面活性剂将更有利于得到该类药物的微球。

The graft polymerization of acrylonitrile on Crosslinked polyvinyl alcohol microspheres CPVA microspheres was performed by using cerium ammonium sulfate as initiator, and grafted microspheres CPVA-g-PAN were prepared. Subsequently, the grafted PAN was converted into poly via amidoximation reaction with hydroxylamine hydrochloride as reagent, resulting in the functional microspheres CPVA-g-PAO. The chemical structure and physicochemistry characters were adequately characterized with infrared spectrum, scanning electron microscope and determining Zeta potential. The effects of main factors on the amidoximation transform reaction of the grafted PAN were researched with emphasis, and the adsorption property of the functional microspheres CPVA-g-PAO for some biomolecules was examined preliminarily with uric acid as a model biomolecule.

以硫酸铈铵为引发剂，实施了丙烯腈在交联聚乙烯醇微球表面的接枝聚合，制备了接枝微球CPVA-g-PAN，然后以盐酸羟胺为试剂，通过偕胺肟化转变，将接枝的PAN转变为聚偕胺肟，制得了接枝有聚偕胺肟的功能微球CPVA-g-PAO，采用红外光谱法、扫描电子显微镜及Zeta电位测定等法，对功能微球CPVA-g-PAO的化学结构及物理化学特性进行了表征，重点考察了各主要因素对接枝PAN的偕胺肟化转变反应的影响，也以脲酸为模型分子，初探了功能微球CPVA-g-PAO对生物分子的吸附性能。

Comparing with existing solutions, new method can utilize generators' speed signal measured by wide area measurement systems directly and detailed model and parameter of power system components were not needed. After sphering measurement-data, ICA with maximal negentropy criterion was carried out to obtain feature matrix. By this means high-dimension data of multi-machine perturbed trajectories were reduced to lower dimensions, and coherent generator groups were identified by pattern recognition consequently. Simulation results of 36-bus system with 8-generator and planning northwest China 750 kV power grid show that noise signals and bad data can be eliminated. This method is accurate in identifying coherent generator groups.

与现有方法相比，这种方法不需要获得系统元件模型和参数，而是直接球化广域测量系统(wide area measurement systems，WAMS)提供的发电机电角速度信号，再利用最大负熵准则进行独立分量分析得到特征矩阵，将高维数的多机受扰轨迹数据变换到低维空间，通过模式识别得到分群结果。8机36节点系统和西北750 kV电网规划系统算例表明，该方法能有效消除噪音和坏数据的影响，准确识别出同调机群。

Meanwhile, wire-feeding velocity of the core wire was confirmed through applying numerical calculation, which was verified with actual wire-feeding velocity used in production.

从传热传质理论出发研究喂线球化处理过程中芯线钢带在铁水中的溶解过程，充分考虑了铁水温度、含碳量和镁合金芯剂状态对钢带溶解的影响，给出相应的数学模型，采用数值计算的方法确定了芯线的喂线速度，并用生产中实际应用的喂线速度进行了验证，结果表明，计算结果与实际喂线速度基本吻合。

Above the transformation temperature,the director softening mechanism is dynamic recovery at low strain rate of 0.001s~(-1),dynamic recrystallization is the primary softening mechanism at 0.01-10s~(-1),and the recrystal grain generated priority at the cross point and grain boundary.

应变速率0.01-10s~(-1)变形时发生了动态再结晶以及部分α相球化，其中α相的再结晶主要与亚晶的形成、转动和聚合成核有关。

The disordered solid solution Al was obtained for Fe_(25)Al_(65)Ni_(10) mixture powder. The mechanical alloying of Fe_(0.25)Al_(0.75-x)Ni_x(x=0.05,0.175,0.25) mixture powders result in intermetallic compounds. The results of mechanical alloyed_(1-x)Ni_x (x=0.4,0.6) and (FeAl_3)_(1-x)Ni_x(x=0.1,0.3) mixture powders indicate that the ratio of iron and aluminum determines the formation of intermetallic compounds. The FeNi intermetallic compound, cerium oxide and one unidentified phase were obtained by mechanical alloying FeCeNi_3 and Ce_2 mixture powders.

对于合金化过程中的结构演变采用X射线衍射仪、DTA或DSC热分析仪、SEM进行分析，对Al-Fe-Ni和Ce-Fe-Ni两个三元系的机械合金化过程的研究表明：对于Al-Fe-Ni三元系来说，成分为Fe_(25)Al_(65)Ni_(10)的混合粉末经机械合金化后可生成非晶与纳米晶的混合物；球磨成分为Fe_(0.25)Al_(0.75-x)Ni_x(x=0.05，0.175，0.25)混合粉末，可形成Al_3Ni_2，AlFe_3，AlFe_(0.23)Ni_(0.77)，球磨成分为_(1-x)Ni_x(x=0.4，0.6)和(FeAl_3)_(1-x)Ni_x(x=0.1，0.3)混合粉末，Fe与Al比例相同时球磨所形成的金属间化合物也相同。

Float ore work mortar is a superior crack resistance and to a certain flexibility, is designed to vacuum glass ball of beads perlite insulation mortar design, is conducive to raising and protecting the ball vacuum glass of beads perlite insulation mortar comprehensive performance is vacuum-perlite insulation glass beads of mortar than with supporting materials, and is particularly important in the whole insulation system, thin scraping thickness is batter, generally no more than 2 mm.

抹面抗裂砂浆是具有优异的抗裂和一定柔性，是专为真空球珍珠岩玻化微珠保温砂浆设计的，有利于提高和保护真空球珍珠岩玻化微珠保温砂浆的综合性能，是真空球珍珠岩玻化微珠保温砂浆比配的配套材料，在整个保温系统中尤为重要，刮抹厚度以薄为宜，一般不超过2mm。

The study on improving tough hardness of 65Nb steel which is used for new type cold working mould has been made.The result shows that 65Nb steel can achieve high tough hardness when it is spheroidized after full forging in fore heat treatment and is high-tempered for three times after high heat quenching in final heat treatment.

对新型冷作模具用钢65Nb 进行了提高强韧性的工艺研究，结果表明：65Nb 钢预先热处理采用经充分锻造后球化退火，最终热处理采用高温加热淬火后三次高温回火可获得高的强韧性。

The spherioidisation of needle-form iron compounds in an Al-Si alloys .

铝合金中Fe相形态的遗传性及球化机制的研究。

The experiment on crystal silicon cutting using looped diamond wire saw is finished.

达到了细化、球化硅晶体的效果，获得了分布均匀的微观组织。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。