反坦克武器击中坦克时舱室内有害气体测试方法的探讨

为探讨在模拟实验条件下，坦克受到反我武器攻击后舱室内有害气体的取样方法和分析方法，用3种武器发射3种弹药攻击坦克，在远距离控制取样设备，取样后在实验室进行坦克舱室内有害气体浓度分析，结果取样成功，坦克被击中后，一氧化碳气体含量有明显的增高，氮氧化物、二氧化硫增高幅度不大，氧含量无明显变化，说明对坦克舱室进行远距离现场控制气体采样是可行的；坦克的受反坦克武器打击后，除弹片和冲击波等致伤因素外，还会造成坦克内乘员一氧化碳中毒。     

Fluctuations in Tumor Blood Flow under Normotension and the Effect of Angiotensin II-induced Hypertension

To elucidate the significance of angiotensin II (AID-induced hypertension chemotherapy, changes of tissue blood flow both in normal subcutis and in tumors (AH109A, LY80) were measured with the hydrogen gas clearance method. A newly-developed anesthetic machine was used to keep the animals' condition constant. Tissue blood flow in normal subcutis and tumors always fluctuated with time under normotension. The nature and the rate of fluctuation in tumor Wood flow were almost identical in two different types of tumors. However, the fluctuation of blood flow in tumor and that in normal subcutis were almost always inversely related when blood flows in these different tissues were measured simultaneously, i.e., when tissue blood flow in normal subcutis decreased, tumor blood flow increased, and vice versa. The findings supported the idea that the connection mode between the tumor vascular bed and normal vascular bed is a parallel circuit. Vascular resistance in the normal vascular bed under All-induced hypertension seemed to be greater than that under normotension, because the All-increased tumor blood flow always exceeded the maximum tumor blood flow under normotension. Due to the fluctuations of tumor blood flow, no-flow or low-flow areas, resistant to delivery of anti-cancer drugs, moved sporadically within the tumor under the normotensive condition. However, good conditions for drug delivery to tumor tissue were induced by All-induced hypertension.     

圆形分布法在蝇类季节消长规律中的应用

目的确定蝇类季节消长的高峰日和高峰时段,为制定蝇类防制措施提供科学依据。方法用圆形分布法统计分析绍兴市区2003-2004年蝇类密度监测数据。结果绍兴市区2003-2004年蝇类平均密度高峰日为8月4日,高峰时段为6月8日至9月30日。其中2003年蝇类密度高峰日为8月11日,高峰时段为6月17日至10月5日;2004年蝇类密度高峰日为7月29日,高峰时段为6月1日至9月26日。结论绍兴市区2年中蝇类消长有明显的季节性规律。     

苏合香丸簿层扫描鉴定

苏合香丸是由十五种单味药制成的复杂制剂。本文用双波长薄层扫描法进行了研究.用苏合香丸和各单味药的乙醇及乙醚提取液,分别进行薄层色谱法展开,薄层板选用各适宜的λ_?和λ_R进行溥层扫描,绘制薄层扫描色谱谱图,根据谱图上的特征峰,可以鉴定其中的十种单味药。配合GC和化学法检查可鉴定个二种单味药。实验结果表明,双波长薄层扫描法是鉴定复杂中成药的适宜方法,具有很好的可靠性和再现性。     

社区卫生服务信息系统功能建模研究

理顺功能关系、理清业务流程是构建社区卫生服务信息系统的前提和基础,功能建模是理顺功能关系的一个重要手段。在研究现有的各种功能分析方法的基础上,本文以IDEF0模型方法为基础,提出了社区卫生服务信息系统功能建模方法。通过建立功能、数据和约束之间的内在联系,为系统的功能设计和数据分析提供了基础。     

麦冬对甲基磺酸甲酯诱发的小鼠精子非程序DNA合成的抑制作用

目的:观察中草药麦冬对雄性小鼠生殖细胞遗传物质损伤的防护作用.方法:采用雄性小鼠生殖细胞非程序DNA合成实验.结果:麦冬各剂量组诱导的非程序DNA合成与正常对照组比较差异无显著性(P>0.05);6.8～13.6 g*kg-1剂量,麦冬对甲基磺酸甲酯所诱导的非程序DNA合成有明显抑制作用(P<0.01),并且随着麦冬浓度的增加,其抑制作用逐渐增强,超过一定剂量,其抑制作用不再增强.结论:麦冬对小鼠生殖细胞遗传物质具有保护作用.     

小鼠持续性脑缺血后NMDA受体亚单位表达的变化

目的：研究小鼠持续性脑缺血后不同脑区NMDA受体亚单位表达的变化及其与病理损伤之间的联系。方法：采用大脑中动脉阻断法制作小鼠持续性脑缺血模型，取缺血后不同时间的皮层、海马、皮层下脑组织，用免疫印迹技术测定NMDA受体亚单位ζ1和ε1及ε2蛋白的含量。同时作冰冻切片和苏木素伊红染色，计算相应脑区神经元密度。结果：NMDA受体ζ1和ε1及ε2亚单位表达的改变发生于缺血后5h内，皮层下3个亚单位表达均明显增加，海马则各亚单位表达变化不一。脑梗塞灶和相关脑区神经元密度显著减小均出现于缺血后5h，相关脑区神经元死亡严重程度依次为皮层下组织和海马CA1区及大脑颞叶皮层Ⅲ－Ⅳ层。结论：小鼠持续性脑缺血，缺血侧脑组织NMDA受体亚单位ζ1和ε1及ε2表达的变化发生在明显的病理损害之前，表达变化程度因脑区不同，与相关脑区神经元损害的程度相应。     

Distribution of calcium-activated neutral protease inhibitor in the central nervous system of the rat.

The ubiquitous existence of calcium-activated neutral protease (CANP, calpain), an enzyme whose activity is regulated by calcium ions and a specific endogenous CANP inhibitor (calpastatin), is well known. Although there has been much investigation concerning the distribution and role of CANP, investigations of the distribution of the CANP inhibitor using immunohistochemical techniques are rare. We made antiserum against a 40K fragment of cDNA corresponding to two C-terminal repeats of rat liver CANP inhibitor expressed in Escherichia coli. Using this antiserum, we examined the distribution of CANP inhibitor in the rat central nervous system by the ABC technique and compared it with the distribution of CANP. Neurons and glias were stained, with the cytosol stained diffusely and the cell membranes stained clearly and strongly. Axons and myelin were stained faintly, but nuclei and vessels were not stained. The distribution of CANP inhibitor was thus found to be similar to that of CANP.     

“多叶咽宁口含液”中鞣酸含量测定方法探讨

对中药制剂“多叶咽宁口含液”中鞣酸（主要有效成分）的含量测定方法。采用酒石酸亚铁为显色剂的比色法测定其含量，其回收率达１００．４±０．３％（ｎ＝４）。该法准确、方便、重现性好，为新中药制剂“多叶咽宁口含液”质量控制提供了有效方法。     

用金标法快速测定血清中cTn-Ⅰ在急性心肌梗死诊断上的应用

为探讨急性心肌梗死和疑为心梗病人血中 c Tn I的敏感性和特异性 ,采用金标法对 5 2例就诊病人测定其血中 c Tn- 和酶学法测定 CK- MB两个指标 ,结果发现急性心肌梗死组病人血中的 c Tn- 敏感度高于 CK- MB,但二者无显著性差异 ;而疑为心梗病人血中的 c Tn- 敏感度高于 CK- MB且具有显著的特异性。c Tn- 的测定对急性心肌梗死病人的诊断和治疗具有特别重要的意义