摘要：Cadmium sulfide(Cd S)-based photocatalysts have attracted extensive attention owing to their strong visible light absorption,suitable band energy levels,and excellent electronic charge transportation *** review focuses on the recent progress related to the design,modification,and construction of Cd S-based photocatalysts with excellent photocatalytic H2 evolution ***,the basic concepts and mechanisms of photocatalytic H2 evolution are briefly ***,the fundamental properties,important advancements,and bottlenecks of Cd S in photocatalytic H2 generation are presented in detail to provide an overview of the potential of this ***,various modification strategies adopted for Cd S-based photocatalysts to yield solar H2 are discussed,among which the effective approaches aim at generating more charge carriers,promoting efficient charge separation,boosting interfacial charge transfer,accelerating charge utilization,and suppressing charge-induced *** critical factors governing the performance of the photocatalyst and the feasibility of each modification strategy toward shaping future research directions are comprehensively discussed with ***,the prospects and challenges encountered in developing nanostructured Cd S and Cd S-based nanocomposites in photocatalytic H2 evolution are presented.

摘要：为建立一种快速、灵敏的检测我国优势基因型(L型)滑液囊支原体(MS)的方法,试验针对L型MS vlh A基因核苷酸序列保守区设计引物及Taq Man-MGB探针,将PCR扩增的vlh A基因克隆至p MD19-T载体,构建重组质粒vlh A-L作为阳性质粒标准品,建立实时荧光定量PCR(q PCR)方法,并检验该方法的特异性、灵敏性和重复性。结果显示:该方法特异性良好,与C型MS-H株及其他鸡常见病原不发生交叉反应;重组质粒vlh A-L最小检出浓度为1.94×10^(1) copies/μL;组内和组间重复性变异系数均小于1%;临床样品检测结果与PCR测序结果吻合。研究表明,建立的q PCR方法特异性强、灵敏性高、重复性好,适用于检测我国L型MS感染情况,还可满足监测免疫MS-H株疫苗鸡群L型MS感染的要求。

摘要：目的/意义构建人体模型,与实际人体运动数据绑定,实现对人体运动姿态的监测。方法/过程设计一种基于Unity3D和MEMS惯性传感器的运动监测系统。利用MEMS惯性传感器获取人体的运动姿态数据,利用欧拉角进行姿态解算,通过蓝牙无线传输协议将数据发送到计算机系统,以驱动虚拟动画人物的运动,实现人体动作的3D姿态实时展现。结果/结论经过实验测试,该模型能够准确监测和模拟人体的运动姿态,未来可为体育运动训练、肢体康复训练等应用领域提供有效的数据分析。

摘要：虚拟仿真技术可以把传统实验环境从线下转为线上,提高实验安全性,创造理想的实验环境。文章利用虚拟仿真技术的优势,基于3DMAX软件和Unity软件开发静电场测绘虚拟仿真实验教学系统。利用3DMAX优秀的建模属性,建立精细的静电场测绘实验仪器的3D模型,在此模型的基础上利用Unity软件完成仿真实验的交互操作,达到线上虚拟仿真实验教学目的。