详解Windows NT Server无盘站技术

本文以中文WindowsNT4．0服务器为平台,详细介绍无盘DOS和Windows95工作站技术。讨论安装中遇到的问题及其解决的办法。     

Effect of tapering period on plasma hormone concentrations,mood state,and performance of elite male cyclists

Abstract

In this study, we investigated the effect of 1- and 3-week tapering periods on concentrations of plasma testosterone (T), cortisol (C), T/C ratio, mood state, and performance in elite male cyclists. After 8 weeks of progressive training, cyclists were randomly assigned to a control group (n=12) who continued performing intense training for a further 3 weeks, or a taper group (n=12) who continued with a 50% reduction in training volume. Blood testosterone and cortisol concentrations were assayed and the T/C ratio calculated from analysis obtained via standard ELISA. Mood state was determined using the Profile of Mood States (POMS) questionnaire. All data were collected immediately after a 40-km time-trial performed before, during, and after the 8-week training protocol and after the 1- and 3-week tapering/training periods. In the taper group, 40-km time-trial time decreased significantly (P<0.01) and equally for both the 1- and 3-week taper periods relative to the control group. There were significant elevations in T/C ratio (P<0.001) and reductions in cortisol concentrations and POMS scores in the taper group relative to the control groups at the end of both the 1- and 3-week tapering periods. Hence, taper periods are effective in improving performance and mood state and elevating the blood T/C ratio.     

Effects of intense exercise on the physiological and mental condition of female university judoists during a training camp

Abstract

To clarify the physical and mental fatigue caused by intense exercise and the relationship between the two types of fatigue, we examined changes in anthropometric and biochemical variables, neutrophil function, and the Profile of Mood States (POMS) questionnaire in 13 female university judoists attending a one-week training camp. Blood glucose, total cholesterol, haemoglobin, leukocyte count, IgG, and phagocytic activity all decreased after the training camp compared with baseline (P ≤ 0.046). Aspartate aminotransferase, lactate dehydrogenase, creatine kinase, and neutrophil oxidative burst activity increased after the training camp (P ≤ 0.007). Of the POMS scores, that for Fatigue increased after the training camp (P = 0.041) and that for Vigour decreased (P = 0.042). The changes in several POMS scores correlated with the changes in blood biochemical variables. In particular, the change in Total mood disturbance was negatively associated with changes in myogenic enzymes (P ≤ 0.032). Our results suggest that intense exercise during training camps for female judoists leads to the appearance and accumulation of mental and physical fatigue, which are related to each other.     

Correlation between serum lipid profile and carotid intima-media thickness in Polycystic Ovarian Syndrome

Abnormal lipid profile is often found in women with Polycystic Ovary Syndrome. To assess the impact of abnormal lipid profile on atherosclerosis in young Polycystic Ovary Syndrome women, carotid intima-media thickness as judged by B-mode ultrasonography were done in 30 young (18–35 yrs) Polycystic Ovary Syndrome women and in similarly age-matched 30 apparently healthy controls. Compared to controls, young Polycystic Ovary Syndrome women had significantly elevated serum total cholesterol, triglyceride and LDL-C levels and carotid intima-media thickness. HDL-C level did not differ significantly between two groups of women. In Polycystic Ovary Syndrome women carotid intima-media thickness was positively correlated with serum total cholesterol, triglyceride and LDL-C and negatively correlated with serum HDL-C. Our study suggests that even young Polycystic Ovary Syndrome women are prone to atherosclerosis from early age.     

一种有效的形成性评价方法——美国的成长记录袋制度述评

传统的评价,一直被认为是对教师教学情况和学生学习情况的检验和考察,是教学后教师和考试人员的工作。美国的成长记录袋制度向我们提供了一种新的评价视野和评价方法,告诉我们形成性评价是教学过程的一个组成部分,是对教师教学和学生学习情况的一种反馈;有效实施成长记录袋制度有利于教学的改进,使学生参与到评价中来,有利于学生的自我调整和进步。     

The effects of power and message variables on compliance

It has long been recognized in the nonverbal communication literature that individual differences in extraversion are expected to be most clearly evident in expressive forms of nonverbal behavior. Although several studies designed to examine the correlation between extraversion and nonverbal behavior have been conducted, most attempts to summarize these studies reflect the inconsistent nature of the research findings. Indeed, correlations range from ?.36 to .73. The extant literature summaries are limited to narrative reviews, however, which tend to be highly selective. The purpose of this study was to meta‐analyze the relevant studies. Results indicated that the mean correlation coefficient weighted for sample size was .13 for the entire sample of studies. Although 63% of the variance was attributable to sampling error, the distribution of correlations was heterogeneous. The remaining variance was due to two methodological artifacts: sample size and the number of nonverbal behaviors coded. For example, hierarchical breakdowns by moderator indicated that the mean correlation was .50 for highly focused studies—those in which researchers concentrated on a few behaviors and limited coding to 40 or fewer subjects. A cognitive‐overload model for these findings is offered and corroborated by findings from other research domains. Implications for communication research and theory are discussed. In addition to clarifying the empirical relationship between extraversion and nonverbal behavior, the contributions of this study reside, in part, in its implications for large samples and large numbers of nonverbal behaviors coded in research and for meta‐analyses of such research literatures.     

高碘地区和非高碘地区育龄妇女甲状腺功能和血液抗氧化能力的对比研究

目的对比研究高碘地区和非高碘地区育龄妇女的甲状腺功能和血液抗氧化能力。方法测定高碘地区和非高碘地区育龄妇女甲状腺功能指标和血液抗氧化酶活性。结果高碘地区育龄妇女血中总甲状腺素(TT3)明显高于非高碘地区,而游离三碘甲腺原氨酸(FT3)明显低于非高碘地区。高碘地区育龄妇女血中TT3和FT3的异常率高于非高碘地区;高碘地区育龄妇女血中谷胱甘肽过氧化物酶(GSH-Px)和超氧化物酶(SOD)的活性低于非高碘地区。结论高碘地区育龄妇女甲状腺激素水平异常的比率高于非高碘地区,从而有可能增加甲状腺疾病发生的风险;高碘地区育龄妇女血中GSH-Px和SOD的活性均低于非高碘地区,长期摄入高碘有可能使当地育龄妇女抗氧化损伤的能力降低,导致机体的氧化损伤。     

专业元数据词表研究

因特网已成为全球性的信息环境，我们可以跨越时空获取信息资源。然而，当用户使用自身社区的术语和元数据方案来检索信息时，现在的因特网技术还没有成熟到能提供专业信息设施。元数据担任很重要的角色来帮助实现社区导向的信息环境。本文进行了两项案例研究，包括建立专业主题词表(用于图书馆和图书馆信息科学资源主题网关(LIS)的核心主题词表)和用于地方社区门户网站的主题词表。从这两个案例可以看出小型的主题词表对专业服务是非常有用的，并且维护工作对词表的建立和应用是至关紧要的。为了在网络上建立专业信息环境，我们必须解决对元数据方案来说相悖的两个需求——社区中的专业化(或者本地化)和社区之间的互操作。这篇文章提供了一个概念模型来理解解决这个问题所要涉及的诸多方面。     

Establishment of Trimester-Specific Reference Intervals of Serum TSH & fT4 in a Pregnant Indian Population at North Kolkata

Reference intervals (RIs) of serum thyroid stimulating hormone (TSH) and free thyroxine (fT₄) were determined in 402 healthy pregnant women by enzyme-linked immunosorbent assay (ELISA) technique after partitioning them into three trimesters. The reference population was chosen from a study population of 610 pregnant females by applying strict inclusion and exclusion criteria. The assays were done using proper quality control measures. RIs were calculated from the central 95 % of the distribution of TSH and fT₄ values located between the lower reference limit of 2.5 percentile and upper reference limit of 97.5 percentile value 0.90 confidence intervals for the upper and lower reference limits were also determined. The reference intervals for TSH were 0.25–3.35 μIU/ml for the first trimester; 0.78–4.96 μIU/ml for the second trimester and 0.89–4.6 μIU/ml for the third trimester. Similarly, the reference intervals for fT₄ for first, second and third trimesters were 0.64–2.0, 0.53–2.12 and 0.64–1.98 ng/dl respectively. The values thus obtained varied from those provided by the kit literature. In comparison to our derived reference intervals, the reference data from kit manufacturer under-diagnosed both subclinical hypo- and hyper-thyroidism within our pregnant reference population.