心脑健胶囊的高效液相色谱法测定

目的：建立测定心脑健胶囊的高效液相色谱法。方法：以Ｎｏｖａ－ｐａｃｋ Ｃ１８为分析柱，甲醇－０．０４ｍｏｌ／Ｌ磷酸－乙腈为流动相，检测波长：２５４ｎｍ，峰面积外标法。结果：回收率与线性范围分别为；ＥＧＣＧ；ＥＣＧ；ＧＣＧ；ＥＧＣ。结论；本法简便，适合心脑健胶囊的含量测定。     

A framework for evaluating image segmentation algorithms.

The purpose of this paper is to describe a framework for evaluating image segmentation algorithms. Image segmentation consists of object recognition and delineation. For evaluating segmentation methods, three factors-precision (reliability), accuracy (validity), and efficiency (viability)-need to be considered for both recognition and delineation. To assess precision, we need to choose a figure of merit, repeat segmentation considering all sources of variation, and determine variations in figure of merit via statistical analysis. It is impossible usually to establish true segmentation. Hence, to assess accuracy, we need to choose a surrogate of true segmentation and proceed as for precision. In determining accuracy, it may be important to consider different 'landmark' areas of the structure to be segmented depending on the application. To assess efficiency, both the computational and the user time required for algorithm training and for algorithm execution should be measured and analyzed. Precision, accuracy, and efficiency factors have an influence on one another. It is difficult to improve one factor without affecting others. Segmentation methods must be compared based on all three factors, as illustrated in an example wherein two methods are compared in a particular application domain. The weight given to each factor depends on application.     

部分储藏中药材中粉螨孳生情况调查

笔者在淮南地区采集50种(500份)中药材,应用清水漂浮法和塔氏电热集螨器集螨法对其进行了分离,其结果,所有样本中均有粉螨孳生,共分离出粉螨34种,隶属7科19属。因此认为,中药材粉螨污染严重,应加强对中药材孳生螨类的防治。     

医院后勤服务社会化的思考

医院后勤服务社会化是医院后勤改革的关键,面对改革的趋势,我们必须认真研究、悉心思考、统一认识、采取措施,改变目前医院后勤管理中不适应市场机制和现代医院管理的落后状态,主动寻找对策,充分利用和发掘现有后勤资源,在保证医院中心工作、“一切以病人为中心”为目标的前提下,把医院后勤管理和服务职能分离,认真操作、大胆探索,加快医院后勤服务社会化进程     

坦克作业条件下驾驶室内挥发性有机物定性分析

目的：了解某型坦克作业条件下驾驶室内挥发性有机物的污染状况,为制定防治措施提供科学依据。方法：应用气相色谱－质谱联用技术（ＧＣ－ＭＳ）对某型坦克单纯行进,行进打炮,停车打炮等工作状态下驾驶室内以及废气排放口的挥发性有机物（ＶＯＣｓ）进行了全谱分析,结果：共检出１３４种污染物质,包括脂肪烃类,单环芳烃类,多环芳烃类以及机酸,碱,酯,醛,酮,杂环化合物等。结论：实验结果表明这些物质主要来源于油类蒸汽,     

更年灵胶囊主要药效学研究

更年灵胶囊2．0和1．Og/kg明显抑制正常和老年小鼠的自主活动，缩短戊巴比妥钠催眠潜伏期，延长睡眠时间，对抗由苯丙胺和尼可刹来诱导的小鼠中枢兴奋或惊厥，抑制麻黄所致的小鼠汗腺过度分泌，刺激老年小鼠肾上腺组织增生，对阴虚和阳虚模型小鼠细胞免疫功能具有明显的改善作用，提示更年灵胶囊对更年期综合症相关症状可能有明显的保护作用。     

Improved Learning and Memory of Pavlovian Context Fear Conditioning in Histidine Decarboxylase Knock- Out Mice

The hypothesis that histaminergic system is involved in learning and memory is supported by many studies. However, the functions of brain histamine in learning and memory are still controversial. To explore the exact role of histamine and related mechanisms, we trained wild-type （WT） and knock - out mice lacking the histidine decarboxylase gene （ HDC^-/- ） using Pavlovian fear conditioning.     

先天性甲状腺功能减低的新生儿筛查

目的 总结对新生儿先天性甲状腺功能低下症的筛查和诊治经验，了解扬州地区先天性甲状腺功能低下症的发病率。方法 对出生72h的新生儿采集足跟末梢血，以时间分辨免疫法测血斑中促甲状腺激素（TSH）。结果 本筛查中心2002年7月-2004年12月扬州地区新生儿筛查结果显示，初筛阳性病例106例，确诊20例，先天性甲低的发病率为0．07％，复检率0．38％，召回率98％。结论 先天性甲状腺功能减低症因其出生时没有或很少有甲低的症状和体征而容易误诊，在新生儿期对其筛查可以减少误诊率，使患儿得到早期诊断和治疗，防止症状的发生和发展，避免发生不可逆智能障碍，随着《母婴保健法》的颁布，新生儿筛查工作正在逐步开展，进行大规模的新生儿筛查是非常有必要的。     

川芎嗪对急性心肌梗死溶栓后顿抑心肌的保护作用

目的观察川芎嗪对急性心肌梗死(AMI)溶栓治疗后顿抑心肌的保护作用.方法将AMI患者83例随机分为治疗组和对照组,两组均于发病3～6h内用尿激酶(UK)溶栓,治疗组在使用UK前静滴川芎嗪.结果两组溶栓再通率相近,治疗组治疗后超氧化物歧化酶(SOD)活性下降程度较对照组为低,而丙二醛(MDA)含量增高程度亦明显低于对照组;两组反映心肌顿抑程度的相关指标比较,亦以治疗组改善明显.结论川芎秦能有效预防AMI患者溶栓治疗后心肌顿抑产生,改善心功能.