Statistical Distributions of Daily Breathing Rates for Narrow Age Groups of Infants and Children

Children may be more susceptible to toxicity from some environmental chemicals than adults. This susceptibility may occur during narrow age periods (windows), which can last from days to years depending on the toxicant. Breathing rates specific to narrow age periods are useful to assess inhalation dose during suspected windows of susceptibility. Because existing breathing rates used in risk assessment are typically for broad age ranges or are based on data not representative of the population, we derived daily breathing rates for narrow age ranges of children designed to be more representative of the current U.S. children's population. These rates were derived using the metabolic conversion method of Layton (1993) and energy intake data adjusted to represent the U.S. population from a relatively recent dietary survey (CSFII 1994–1996, 1998). We calculated conversion factors more specific to children than those previously used. Both nonnormalized (L/day) and normalized (L/kg-day) breathing rates were derived and found comparable to rates derived using energy estimates that are accurate for the individuals sampled but not representative of the population. Estimates of breathing rate variability within a population can be used with stochastic techniques to characterize the range of risk in the population from inhalation exposures. For each age and age-gender group, we present the mean, standard error of the mean, percentiles (50th, 90th, and 95th), geometric mean, standard deviation, 95th percentile, and best-fit parametric models of the breathing rate distributions. The standard errors characterize uncertainty in the parameter estimate, while the percentiles describe the combined interindividual and intra-individual variability of the sampled population. These breathing rates can be used for risk assessment of subchronic and chronic inhalation exposures of narrow age groups of children.     

论校报独特的思想政治教育优势

高校校报在进行大学生思想政治教育方面具有独特的优势，面对日益变化的国际国内形势，高校校报要充分发挥校报自身的特点和优势，进一步推动高校思想政治教育工作的发展，需要从以下几方面努力：一是加强工作制度和工作机制建设；二是扬长避短出精品；三是与时俱进拓展功能。     

也谈"错案追究制"

错案追究制自运行以来存在着许多问题,其所具有的负面影响超过了其积极效应的一面.本文从多角度分析了错案追究制产生的影响,并对错案进行了科学的界定.在此基础上,本文倡导错案追究制应让位于全面的司法改革,并提出了具体的司法改革措施.     

浅议民事责任竞合

违约责任与侵权责任竞合是由于某种违反民事义务的行为既符合违约责任构成要件又符合侵权责任构成要件 ,从而在法律上导致多种民事责任并存和冲突所产生的现象。因此 ,采取责任聚合与自由选择诉因的措施来解决责任竟合 ,以期充分保护受害方权利 ,消灭责任重叠可能导致的不公平 ,合并不重叠部分的责任。     

爱的憧憬与“好色”情调——由川端康成孤儿的情感说起

少女光洁的肌肤、纯洁的心灵和母性的温情是孤儿川端的“救世主”,在感官与纯洁、母性与少女之间川端作品中出现了美女与佛的结合,进而形成了其文学中感官因圣洁而得到净化的“好色”情调。因此,从内在的形成原因来看,川端文学的“好色”情调是其诗化了的孤儿的缺失体验。     

国家与市民社会理论视野中的村民自治改革——从国家与市民社会的良性结构性互动关系出发

国家与市民社会的“良性结构性互动说”为村民自治改革的未来发展提供了方向。在国家与市民社会理论视野下，村民自治改革不仅在现实层面上推动了国家与社会的分离，而且也实现了国家与社会关系的制度化重构。但村民自治改革作为一种内生的政治发展过程也引发了越来越多的具有中国特色的理论和实践问题。因此，要推行以村民自治为基础的多元化社会自治，建构市民社会的广泛社会基础；同时对以村民自治权为基础的社会自治权与国家公权进行明确的法律界分，并为社会自治权提供侵权法律救济，从而在组织形态和权力形态上实现社会与国家的良性结构性互动。     

Does parents’ valuation of children’s health mimic their valuation of own health?

A single latent variable model of health status and therapeutic health care utilization is estimated for parents and own children of 6,557 US households. The equation system that identifies latent health status simultaneously determines a number of indicators of general health, including presence of morbidity symptoms, mobility limitations, medication needs, and utilization of therapeutic health care services. The main goal of the paper was to obtain an unbiased estimate of parents’ marginal substitution rate between own and child health. Results indicate that parents’ valuation of their children’s health exceeds their valuation of own health by almost twofold on average.

《汉语大字典》书证疏误举例

《汉语大字典》在义项的书证方面存在一些疏误,内容涉及书证欠妥、书证有误、引文失误、一例两用等问题。     

民族高校教材管理问题研究

民族高校的教材工作有着与其它高校所不同的一些特点,教材管理工作是民族高校教学管理的一项基础性工作,它对提高学校的教育质量和教学水平具有极其重要的意义.本文对民族高校教材管理工作存在的问题进行了分析,并提出了解决办法.     

论大学生的阅读倾向及图书馆的服务对策

当前大学生的阅读倾向具有求知、求识、求美、求乐等特点，图书馆应及时了解和把握这些特点，加强对读阅读倾向的调研工作，提高服务针对性；在献资源建设上既要统筹兼顾，又要突出重点；要加快图书馆现代化建设，提高为读服务的水平，还要做好导读工作，尤其做好书目推荐工作。