Nondestructive Determination of MDMA and MA in Ecstasy by Near Infrared Spectroscopy;
近红外光谱技术应用于摇头丸中MDMA、MA无损定量分析的研究
Forensic Identification of Ecstasy(MDMA) by Pattern Recognition;
目的:利用化学模式识别方法对摇头丸质谱分析数据进行处理,建立一种合适的分析方法,对不同缴获途径的亚甲二氧基甲基苯丙胺进行法庭鉴定。
NVESTIGATION OF ABUSE PATTERNS AND PSYCHOLOGICALEFFECTS OF MIXTURE OF MA AND MDMA;
甲基苯丙胺类混合物-摇头丸滥用方式及其对精神活动的影响
0%) cases mainly abused methamphetamine(MA,Ice),MDMA(Yaotouwan) and ketamine,respectively.
方法:自拟调查问卷对北京市公安局强制戒毒所2007年8月-2008年3月收治的主要吸食"冰毒"(MA)、"摇头丸"(MDMA)、氯胺酮(ketamine)的人员进行调查。
The effect of the primary longitudinal and lateral stiffness on the yawing of independent wheels is researched,and the reasonable range of values of the primary horizontal stiffness is obtained.
研究了一系纵向和横向刚度对轮对摇头振动的影响,得出了一系水平刚度的合理取值范围。
In this paper, a set of stepping motor drive system used in stage lighting is presented.
文章介绍了应用于舞台灯光摇头灯中的步进电机控制系统。
A set of stepping motor drive system is presented based on the principle of lighting.
在介绍舞台灯光摇头灯工作原理的基础上,给出设计的一套步进电机驱动系统,着重探讨如何提高系统的稳定性和快速响应问题。
In this paper, an explicit explanation and classify of rocking head type ultrasonic motor is presented according to its principal.
文章从原理上对摇头型超声电机进行了阐述和分类,并介绍了摇头型超声电机在国内外的最新发展动态。
The effects exerted by the yaw motion of a single wheelset on its creep forces/creepages are investigated in the study.
用数值分析方法分析了单轮对的摇头运动对其左右轮轨滚动接触斑上蠕滑率／力的影响。