An instrument is developed to measure the dynamic andstatic fabric drapability by the technology of image analy-sis. A set of stepper motor speed - regulation system,which is based on the control of single - chip micr...An instrument is developed to measure the dynamic andstatic fabric drapability by the technology of image analy-sis. A set of stepper motor speed - regulation system,which is based on the control of single - chip microproces-sor and microcomputer, is developed to form the dynamictest environment in order to implement the measurementof dynamic drapability. An algorithm is presented to con-vert the original draped images which are captured by adigital camera into binary images. The test results showthat the algorithm is adapted for all kinds of fabrics. Thewhole measurement process is controlled by a展开更多
目的研究不同强度静磁场暴露对大鼠纹状体多巴胺神经元D2受体和多巴胺转运体表达的影响。方法二级Wistar雄性大鼠48只随机分为对照组(C)、低剂量组(50 m T)、中剂量组(100 m T)和高剂量组(200 m T),采用中科院电工研究所研制的超导磁体...目的研究不同强度静磁场暴露对大鼠纹状体多巴胺神经元D2受体和多巴胺转运体表达的影响。方法二级Wistar雄性大鼠48只随机分为对照组(C)、低剂量组(50 m T)、中剂量组(100 m T)和高剂量组(200 m T),采用中科院电工研究所研制的超导磁体系统,将大鼠进行全身暴露,1 h/d,连续暴露15 d。分别于暴露第1 d、5 d、10 d和15 d活杀取脑纹状体组织,制作石蜡切片,免疫组织化学SP法检测纹状体中多巴胺D2受体和多巴胺转运体的表达并进行定量分析。结果暴露第10 d,多巴胺D2受体于中、高剂量组神经元细胞膜表达显著降低(P<0.01),暴露第15 d,低、中、高剂量组神经元细胞膜表达均显著降低(P<0.01);多巴胺转运体于磁场暴露第5 d、10 d、15 d,高剂量组神经元细胞膜和胞浆内表达显著升高(P<0.05)。结论中强静磁场暴露可致大鼠纹状体多巴胺D2受体表达降低和多巴胺转运体表达升高。展开更多
文摘An instrument is developed to measure the dynamic andstatic fabric drapability by the technology of image analy-sis. A set of stepper motor speed - regulation system,which is based on the control of single - chip microproces-sor and microcomputer, is developed to form the dynamictest environment in order to implement the measurementof dynamic drapability. An algorithm is presented to con-vert the original draped images which are captured by adigital camera into binary images. The test results showthat the algorithm is adapted for all kinds of fabrics. Thewhole measurement process is controlled by a
