笼养勺鸡非繁殖季节时间分配和活动节律

笼养勺鸡(Pucrasia macrolopha)非繁殖季节的日时间分配为:静息61.5%;游走22.9%;取食8.9%;理羽5.5%;其它1.2%。直接或间接满足自身需求的行为占99.4%。白天静息活动在上午9-10时和下午16-18时所占比例较少,其余时间比例较大。游走在10:00-18:00时占比例较大,没有明显的高峰。取食可在全天进行,上午10:00时和下午16:00时占时间较少。理羽在早晨较频繁,但没有明显的高峰。雄鸟静息、理羽和和取食行为多于雌鸟,差异不显著。非繁殖季节的日时间分配和活动节律与繁殖季节有一定差异。     

圈养状态下白唇鹿(Cervus albirostris)昼间行为节律初步研究

2007年3～5月,采用目标动物取样方法（Focal Animal Sampling Method）与所有事件取样法（Au0c—Currence Sampling Method）对成都动物园圈养状态下白唇鹿的昼间行为节律进行了研究。共记录到白唇鹿4类共31种行为,初步构建了该物种行为谱。各种行为中以运动行为发生频次最高（52％）、摄食行为其次（27％）;休息行为（17％）与排泄行为（4％）发生频次相对较低。统计结果表明,在圈养状态下,在同一时间段内,白唇鹿各类行为发生频次差异显著（P〈0．05）;除摄食行为日发生频次差异显著外（P〈0．05）,休息、运动与排泄行为日发生频次都没有显著差异（P〉0．05）。     

黑斑蛙繁殖期血液中性激素的变化与性腺发育关系

本文研究了黑斑蛙繁殖期血液中性激素与性腺发育、排精、排卵的关系 ,结果表明黑斑蛙每年清明前后产卵 ,产卵季节雄蛙血液中睾酮和雌蛙血液中雌二醇含量匀较高 ,四月中下旬达到最大值 ,繁殖季节过后 ,性激素迅速下降     

半散养条件下蒙古野驴秋季昼间的行为及活动规律

利用瞬时扫描取样法和全事件取样法,笔者于2006年9-10月对呼和浩特市大青山野生动物园半散养蒙古野驴进行了观察.总结出半散养状态下秋季蒙古野驴的昼间行为与活动规律,并发现半散养状态下蒙古野驴的年龄因素与昼间行为的时间分配有一定程度的相关性.     

对孩子的学习行为进行评价

家长准备一个记录本，每天用一页纸记录孩子全天的学习和玩耍情况。记录应包括活动的内容与时间，然后根据孩子完成学习任务的情况和所花的时间、安排学习与玩耍的时间是否合理等因素，对孩子的学习行为评价，并用百分制的分数表示出来。如：洋洋的一天日期：2003年1月28日起床：6：30 洗漱：6：40-7：00 早餐：7：00-7:30 上学：7：30 下午放学回到家：17：30 完成数学作业（共10道题）：17：45-18：15 晚餐：18：25-19:00 完成语文作业：19：20-19:45 看动画片（电视）：19：50-20：30 休息、玩耍、聊天：20：…     

大鳍鳠繁殖期主要组织器官的氨基酸和脂肪酸组成

采用生物化学方法的方法,对大鳍鳠繁殖期的性腺、肝脏、肌肉的氨基酸和脂肪酸进行测定.结果表明:大鳍鱯雄性亲鱼精巢、肝脏和肌肉中,肌肉中氨基酸总量最高,为40.90g/100g;其次是精巢,为26.38g/100g;肝脏中含量最低,为18.38g/100g.从必需氨基酸占总氨基酸的比例来看,精巢最高,占53.41%;其次是肌肉,占52.93%;肝脏中最低,占51.96%.雌性亲鱼肌肉中氨基酸总量最高,为40.61g/100g;其次是卵巢,为22.42g/100g;肝脏中含量最低,为17.04g/100g.从必需氨基酸占总氨基酸的比例来看,卵巢最高,占52.85%;其次是肝脏,占51.76%;肌肉中最低,占49.00%.从脂肪酸组成来看,雌雄亲鱼均为MUFA所占比例最高,其次是SFA,PUFA比例最小.雄鱼与雌鱼的三种组织器官中,所占比例较高的脂肪酸相似,它们是C18:1n-9(油酸)、C16:0(软脂酸)、C18:2n-6(亚油酸)和C16:1n-7(棕榈酸).研究揭示了大鳍鳠繁殖期雌、雄亲鱼主要组织器官在物质构成上的特性.     

绿臭蛙的繁殖生态

采用野外定期定点观测与室内观测相结合的方法,对绿臭蛙(Odorrana margaretae)的繁殖生态进行了初步的研究,结果表明:绿臭蛙繁殖期在7月上旬-8月下旬;怀卵量为1269.8枚;产卵量为1169枚.     

昼行性蜥蜴的活动节律研究进展

蜥蜴活动节律的种内差异是个体对其所处区域环境长期适应的结果,受多种非生物(例如,温度、光照和季节变动)和生物因素(例如,尾自切和年龄)的影响。本文综述不同种类的昼行性蜥蜴活动节律的进展,为昼行性蜥蜴的生态保护提供基础资料。     

荔枝蒂蛀虫繁殖生物学特性的初步研究

室内实验观察了荔枝蒂蛀虫的羽化日周期、交配日周期、产卵趋向和交配行为等,结果表明:荔枝蒂蛀虫的羽化高峰期和交配高峰期主要集中在晚上20:00-22:00,其中交配以三日龄为最多,其交配时间可持续20-90min,荔枝果实所散发出来的气味对荔枝蒂蛀虫雌虫的产卵有较强的引诱作用,其结果对何时进行雌蛾性信息素的提取等方面具有重要的参考价值。     

晋中市温室蛞蝓危害规律的调查研究

以啤酒为诱杀剂,通过对不同生产年限的温室以及同一温室的不同季节、同一天的不同时间段蛞蝓的危害规律进行调查研究,总结出:蛞蝓在温度高、湿度大生产年限长的温室内危害严重;春、秋两季是蛞蝓危害活动的主要时期;一天中在19:30-21:00为蛞蝓取食高峰期,是诱杀的关键时期。     

高校设备资源配置社会化的探索

在我国高等教育向大众化、信息化和国际化转变的背景下，工科院校的设备资源配置面临着数量增多、档次提高和更新加快等许多新要求。通过企业与高校合作办学的新形式探索设备资源配置社会化是满足这些要求的有效途径。同时，也要在高校继续大力推进教学管理制度、实践教学体系和设备管理体制等配套改革。     

对按劳分配研究中几个问题的思考

全面理解按劳分配,需要认识马克思设想的条件和分析角度与目的。各要素共同参与收入分配,是提高分配制度激励和约束功能的内在要求。按劳分配和按劳动力价值分配是两个不同层面而又相互联系、密不可分的概念。按劳分配通过劳动力价值加成和国家的收入再分配政策得以实现,它体现于微观与宏观、初次分配与再分配的统一运动中。     

Study on the serum levels of soluble intercellular adhesion molecule-1 (sICAM-1) in patients with Helicobacter pylori Infection

Objective: To evaluate the interaction between serum levels of soluble intercellular adhesion molecule-1 (sICAM-1) and Helicobacter pylori (H. pylori) infection in patients with chronic gastritis and peptic ulcer. Methods: The serum levels of sICAM-1 in 205 patients with chronic gastric diseases were detected by ELISA method and the status of H. pylori was determined by histologic examination, RUT, 14C - UBT, and serology. The sera obtained from 18 healthy volunteers served as controls. Results: The serum levels of sICAM-1 were significantly higher in patients with H. pylori positive than those of H. pylori negative (889.43±32.52 ng/ml vs. 747.07±30.45 ng/ml, P<0.05). The serum levels of sICAM-1 in patients with mild, moderate and severe infection of H. pylori were 841.68±72.36 ng/ml, 905.43±37.59 ng/ml and 1012.54±49.34 ng/ml,respectively (P<0.05). The serum levels of sICAM-1 proved to be significantly correlated with the density of H. pylori colonization in gastric mucosa (rs =0.316, P<0.001). The serum levels of sICAM-1 in patients with chronic gastritis and peptic ulcer were significantly higher than those in healthy controls (P<0.05). Conclusions: These results indicated that H. pylori infection up-regulates the expression of sICAM-1.     

当电影遭遇城市——试论《尼斯景象》与城市交响曲电影

电影起源于现代都市巴黎,它与现代城市都是现代科技发展的产物,电影与城市的相遇建立了一种共同节奏,呼应着时代的律动。城市交响曲是电影遭遇城市的产物。城市交响曲电影表达的不是普通的城市生活,而是城市的现代节奏:火车、汽车转动的轮子,旋转的机器,钢筋、玻璃建筑,速度、节奏与运动的交响。节奏感、形式感、运动感建立起城市交响曲电影的突出特征。《尼斯景象》则洗劫了未来主义的机器激情,代之以社会观察,但保留了城市交响曲电影的形式:节奏、动感和先锋艺术表达方式。     

中小学教师心理健康现状分析

目的了解中小学教师心理健康状况。方法采用症状自评量表(SCL-90)对424名中小学教师进行调查分析。结果中小学教师的各因子分及阳性项目数均高于常模,其中在人际关系因子上存在显著差异(P<0.05),其余都呈现极显著差异(P<0.001);中小学女教师SCL-90测验分值均高于男教师,在抑郁因子得分和阳性项目数上存在显著差异(P<0.05),在恐怖因子得分上差异较为明显(P<0.01),其余无显著差异(P>0.05〕;边远地区、城市、县镇农村中小学教师的测验分值依次增高,城市和边远地区中小学教师除焦虑、精神病性因子及阳性项目数有显著差异外(P<0.05),其余差异均不显著(P>0.05),县镇农村较城市、边远地区中小学教师的测验分值高出明显,强迫、人际关系、抑郁、精神病性因子差异极其显著(P<0.001),县镇农村和边远地区中小学教师的焦虑、恐怖因子差异也极为显著(P<0.001)。结论中小学教师心理健康整体状况不佳,女性心理健康状况较男性稍差,城乡差别对中小学教师心理健康状况有显著影响。     

Study on the neurotoxic effects of low-level lead exposure in rats

Objective: To investigate effects of developmental lead exposure on nitric oxide synthase (NOS) activity in different brain regions and on N-methyl-D-aspartate (NMDA) receptor mRNA expression in the hippocampus of rats. On the basis of these observations, we explored possible mechanisms by which lead exposure leads to impaired learning and memorizing abilities in children. Methods: A series of rat animal models exposed to low levels of lead during the developing period was established (drinking water containing 0.025%, 0.05% and 0.075% lead acetate). NOS activities in the hippocampus, the cerebral cortex, the cerebellum and the brain stem were determined with fluorescence measurement and levels of mRNA expression of the NMDA receptor 2A (NR2A) subunit and NMDA receptor 2B (NR2B) subunit in the rat hippocampus were measured with Retro-translation (RT-PCR). Results: There were no differences in the body weight of rat pups between any of the groups at any given time (P>0.05). The blood lead level of Pb-exposed rat pups showed a systematic pattern of change: at 14 d of age, it was lower than that at 7 d of age, then rising to the peak level at 21 d and finally falling to lower levels at 28 d. The hippocampal NOS activities of lead-exposed groups were all lower than that of the control group on the 21st and 28th day (P<0.01). NOS activities in the cerebellum of lead-exposed groups were all lower than that of the control group on the 21st and 28th day (P<0.001) and the NOS activity of the 0.025% group was significantly lower than that of the 0.05% and 0.075% groups on the 28th day (P<0.05). NOS activity in the cerebral cortex of the 0.075% group was significantly lower than that of the control, 0.025% and 0.05% groups on the four day spans (P<0.001). There was no significant difference of NOS activity in the brain stem between any lead-exposed group and the control group on the four day spans. In the 0.05% and the 0.075% groups, the level of NR2A mRNA expression was higher than that in the control group at 7 d and 14 d of age (P<0.05). In the 0.025% group, the level of NR2A was found to be higher than that in the control group at 7 d of age only (P<0.05). No significant differences were found for the levels of NR2B mRNA expression between any of the groups at any given time. Conclusions: NOS activity in the hippocampus, the cerebral cortex and the cerebellum are inhibited by lead exposure. The degree of the inhibitory effect depends on the time span of exposure and the lead concentration. Developmental low-level lead exposure was found to raise the level of NR2A mRNA expression in the hippocampus of rats. Developmental low-level lead exposure does not affect the level of NR2B mRNA expression in the hippocampus.     

Expression and significance of cyclin D1, p27kip1 protein in bronchioloalveolar carcinoma

INTRODUCTION Bronchioloalveolar carcinoma (BAC) is a par-ticular subtype of pulmonary adenocarcinoma de-rived from clara cell and type II pneumocyte. BAC cells grow along and within alveolar spaces while the alveolar framework of the lung is preserved. The incidence of BAC appears to be rising recently. The etiology and pathogenesis of this unique neoplastic disease are still unclear; many studies of oncogene and tumor suppressor gene expression include BAC with all adenocarcinoma o…     

金融政治经济学视角下的股权分置

通过金融政治经济学的视角,管理层通过启动股权分置改革试点推动中国股市的规范与发展的解读,发现股权分置并不像大多数学者所认为的是当时市场经济与计划经济相互妥协的外生产物。相反,它是内生于渐进改革战略的选择和当时的金融资源禀赋状况;股市的健康发展与股权分置制度弱相关,与上市公司质量强相关;实现股市全流通必须遵循渐进的逻辑,绝不可以一蹴而就。     

中学生问题行为状况的调查与分析

课题采用自编中学生问题行为自评量表对中学生的问题行为进行调查,结果表明:(1)课题组编制的中学生问题行为自评量表,经信效度检验,具有较好的有效性与可靠性。(2)问题行为的总体检出率为36.5%,中学生的问题行为存在学校类型差异、年级差异、性别差异、家庭类型差异、不同学习成绩差异及地区差异,各类差异均达显著水平(P<0.05)。