KAQ教育模式在“制药工艺学”教学中的应用

结合教学实践,介绍了以知识为基础、以能力为重心、以素质为标向的KAQ教育模式应用在"制药工艺学"教学实践中的具体做法和措施。     

单层热激活延迟荧光有机发光器件及其激子分布特性

单层结构对简化有机电致发光器件(OLED)的制备工艺及降低其制造成本具有重要意义.本文采用非掺杂热激活延迟荧光(TADF)发光层,结合C60(2 nm)/MoO3(3 nm)/C60(2 nm)修饰的ITO阳极及4,7-二苯基-1,10-菲啰啉(Bphen,3 nm)修饰的Ag阴极,制备了单层TADF器件(TADF-O...     

Studies on convergence and scaling law of Thomson backscattering spectra in strong fields

With the saddle point analysis method for the Bessel function structure and property, the convergence problem and the scaling laws of Thomson backscattering spectra are solved and studied in both cases that are for the plane wave laser field without and with applied external constant magnetic field. Some unclear points appeared in previous work are clarified. The extension of the method to a general situation for the laser field with an arbitrary polarization is discussed. We also make a simple analysis and discussion about the optimal spectra dependence of field parameters and its implication to practical applications.     

多模光力系统中的非传统声子阻塞

本文提出在多模光力系统中实现声子阻塞.多模光力系统由一个机械模和两个光学模组成.研究发现,当光学模与机械模同时受到外加驱动场作用时,即使在弱光力耦合条件下也可以实现声子阻塞效应,即非传统声子阻塞效应;给出了非传统声子阻塞效应出现的最佳条件.另外,发现通过调节外加驱动场间强度的比值和相位差可以控制声子的统计性质,这为实现可控的单声子源提供了一个有效方法.最后,讨论了热声子对非传统声子阻塞的不利影响,发现适当提高驱动场强度有利于观测非传统声子阻塞效应.     

Pair Production in Chromoelectric Field with Back Reaction

Massless quark pair production in SU(2) gauge chromoelectric field is investigated by solving the Wigner function with back reaction. The temporal evolution of specific field and its current are obtained self consistently. For the quark distribution function, both its time and momentum dependence are studied. In particular, some interesting phenomena are found, for example, the more abundant symmetry or/and antisymmetry characteristics, the existence of the attractive basin structure and the existence of the momentum "gap" in the quark distribution and so on. All the phenomena are associated with the quark-gluon plasma oscillation, which due to the back reaction effect. The study and analysis qualitatively about the components of the Wigner function are expected to be helpful to deepen the understanding of the QCD vacuum.     

金属波纹管材料的力学性能

针对现有的薄壁波纹管材料,从薄壁波纹管特性入手,基于测试试验、模型试验、有限元等方法进行了受力分析阐述并相互验证得出薄壁波纹管作为空心无梁楼盖内腔的可行性,并讨论了施加荷载后3个不同阶段裂缝和挠度之间的不同厚度薄壁波纹管关系,并分析出其弹性阶段强度和屈服强度供结构设计使用。在分析其不足之处的同时也对未来的研究工作做出了展望。 更多还原     

有理三角Bézier曲线曲面光滑融合的构造

为了使自由曲线曲面在较为简单的条件下能够达到相对高阶的光滑拼接,并在不改变控制顶点的情况下自由调整曲线曲面的形状,构造了含多个形状参数的有理三角函数.基于该组基函数,定义了含多个形状参数的有理三角曲线曲面,并讨论了曲线曲面的光滑拼接条件.根据拼接条件,分别定义了由含多个形状参数的有理三角曲线曲面构成的分段组合曲线、分片组合曲面.这种新的曲线曲面能够自动保证组合曲线、曲面的连续性.数值实例的结果显示了该方法的有效性.     

可溶液加工蓝色聚集诱导发光小分子的合成及其器件性能

利用四苯基甲烷中碳原子特殊的sp³轨道杂化结构来打断并控制分子内共轭程度,并采用硅原子替换四苯基甲烷中的碳原子合成四苯基硅烷.将这两种结构作为核,在其四周以四苯乙烯（TPE）或三苯乙烯（triPE）修饰,设计并合成了六个具有聚集诱导发光（AIE）效应的小分子.这些分子均可以溶解在常见有机溶剂中并具有良好的热稳定性.通过溶液旋涂法将其应用到有机电致发光器件（OLED）中,得到最好的器件效率为亮度最大值（L_max）1730 cd·m^-2,电流效率最大值（L_max）2.21 cd·A^-1,功率最大值（η_p,max）0.77 lm·W^-1,外量子效率最大值（η_ext,max）1.01%.     

红外光谱和逐步判别分析法应用于油菜籽的研究

用傅里叶变换红外光谱(FTIR)和逐步判别分析法对油菜籽的品种和产地进行鉴别研究。测试了来自5个产地17个油菜籽品种188份油菜籽皮样品的红外光谱,按产地和品种选择训练样本,每个品种选择5份为训练样本,剩下的作为测试样本,选择1 800～950 cm-1范围的光谱信息,在SPSS20.0的判别分析模块中采用逐步法,Fisher线性判别准则,分别建立油菜籽品种和产地的鉴别模型来判别样品的品种和产地;比较了逐步判别分析中五种筛选建模信息的算法所建立的模型对实验样品品种和产地的鉴别效果。基于油菜籽皮红外光谱信息的品种判别分析,五种筛选变量的算法所建立的模型都能较好的识别油菜籽的品种,“Wilks’ Lambda”法所建模型的识别效果最好,判别正确率为97.9%。基于油菜籽皮红外光谱信息的产地判别分析,五种筛选变量的算法所建立的产地判别模型也都能较好的识别油菜籽的产地,“Unexplained variance”法所建模型的识别效果最好,判别正确率为98.4%。研究结果表明,基于油菜籽皮中红外光谱信息的品种和产地判别分析,有望成为油菜籽品种和产地鉴别的方法。     

Dynamics of a three-level V-type atom driven by a cavity photon and microwave field

We discuss the dynamics of a three-level V-type atom driven simultaneously by a cavity photon and microwave field by examining the atomic population evolution. Owing to the coupling effect of the cavity photon, periodical oscillation of the population between the two upper states and the ground state takes place, which is the well-known vacuum Rabi oscillation. Meanwhile, the population exchange between the upmost level and the middle level can occur due to the driving action of the external microwave field. The general dynamic behavior is the superposition of a fast and a slow periodical oscillation under the cooperative and competitive effect of the cavity photon and the microwave field. Numerical results demonstrate that the time evolution of the population is strongly dependent on the atom–cavity coupling coefficient g and Rabi frequency ?_e that reflects the intensity of the external microwave field. By modulating the two parameters g and ?_e, a large number of population transfer behaviors can be achieved.