浅谈地震科技图书馆信息系统建设

以陕西省地震局图书馆为例,提出了建立图书馆计算机局域肉及电子阅览室的设想,并对数据库建设及网络时代图书馆员的工作进行了初步探讨。     

Detection ranges and uncertainty of passive Radio Frequency Identification (RFID) transponders for sediment tracking in gravel rivers and coastal environments

Since the earliest use of this technology, a growing number of researchers have employed passive Radio Frequency Identification (RFID) transponders to track sediment transport in gravel rivers and coastal environments. RFID transponders are advantageous because they are inexpensive, durable and use unique codes that allow sediment particle mobility and displacement to be assessed on a clast‐by‐clast basis. Despite these advantages, this technology is in need of a rigorous error and detection analysis. Many studies work with a precision of ~1 m, which is insufficient for some applications, and signal shadowing can occur due to clustering of tagged particles. Information on in‐field performance is also incomplete with respect to burial and submergence, especially for different transponders and antennae combinations. The objectives of this study are to qualify and quantify the factors that influence the detection zone of RFID tracers including antenna type, transponder size, transponder orientation, burial depth, submergence and clustering. Results of this study show that the detection zone is complex in shape due to a set of lobes in the detection field and provide a better understanding of transponder detection shape for different RFID transponder/antenna combinations. This study highlights a strong influence of clustering and submergence, but no significant effect of burial. Finally we propose standard operating procedures for tagging and tracking in rivers and coastal environments. Copyright © 2014 John Wiley & Sons, Ltd.     

Common sensing: Human-black bear cohabitation practices in Colorado

Current wildlife management practices in western societies must increasingly deal with human-wildlife conflicts. In their attempt to spatially regulate humans and wild animals, the common focus is on containment, endeavouring to facilitate the removal and exclusion of wild animals. Recently, however, ideas of cohabitation have emerged in wildlife management practices, suggesting that humans and wild animals share the same space. We argue that aiming at cohabitation requires that wildlife management be approached as an interactive and dynamic endeavour involving humans, wild animals and landscape. Accordingly, wildlife management should no longer focus on the sole agency of humans; it must also examine the agency of animals and the influence of the landscape in which the interactions takes place. To understand these interactions and dynamics we introduce the concept of multi-sensory writing and reading and apply this to an in-depth study of black bear management on the Colorado Front Range, U.S.A. We analyse our results focussing on the spatial interactions between human, black bear and landscape. We conclude suggesting that cohabitation as a goal of wildlife management requires a radical decentralization and spatialization where humans, wild animals, and the landscape shape interactions co-creatively.     

How does the body-scale model affect back-calculated growth: The example of arctic charr,Salvelinus alpinus (L.), of Lake Geneva (Switzerland)

When back-calculating fish length from scale measurements, the choice of the body-scale relationship is a fundamental step. Using data from the arctic charrSalvelinus alpinus (L.) of Lake Geneva (Switzerland) we show the need for a curvilinear model, on both statistical and biological grounds. From several 2-parameters models, the log-linear relationship appears to provide the best fit. A 3-parameters, Bertalanffy model did not improve the fit. We show moreover that using the proportional model would lead to important misinterpretations of the data.     

直读拖曳式光纤光栅温度剖面测量系统

针对我国对海水温度剖面的测量需求,在分析已有方法优缺点的基础上提出了一种新的方法——光纤温度剖面连续测量系统.此测量系统以光纤光栅传感器为测量单元,采用波分复用的方式串接在一起组成船载拖曳链,再通过甲板上的解调终端实时显示所测物理参量,从而实现分布式实时测量.这种方法能够以低成本快速高效获得高分辨率的海水温度剖面分布情况,为海洋探测提供丰富有效的数据.课题组设计制作了拖曳链系统的甲板机及60 m长的拖曳链,并在青岛近海进行了拖曳海试,实时获取了试验数据,达到了预期效果.     

如何转变专业英语精读课程教学中教师的角色

通过对英语专业核心课程——精读课中教师角色在传统和现代教学方法中的对比与分析，探究性地以教学实例论证了教师在精读课程中角色的转换对提高英语专业学生的综合能力起着十分重要的作用。     

WILBUR AND ME

ABSTRACT. Wilbur Zelinsky has spent his spectacular scholarly career enhancing our understanding of American life through explorations into the nation's cultural geography. Although he has illuminated grand themes, he is also celebrated for his eclectic work on the geography of Americana. Few, however, may appreciate his lifelong enjoyment of American literature. Early in my scholarly journey, Wilbur encouraged my awakening interest in reading widely, beyond the boundaries of professional literature. Conversations with him about shared literary enthusiasms affirmed my reading proclivities. From classic novels to those of minor authors, commentary by journalists, biographies, and mass‐market fiction, literature offers provocative insights into American life and landscape. Reading widely takes one in unforeseen professional directions and yields unexpected rewards. Wilbur's sheer delight with the phenomena of the American scene, however seemingly trivial, instructs us to not overlook their possible geographical significance.     

论篇章模式在基础英语精读教学中的应用

在基础英语精读教学中,传统的自下而上以语法为中心的教学模式,对提高学生语篇阅读能力收效不大.教学实践表明:借鉴语篇分析理论的篇章结构模式,引导学生从宏观上把握文章结构,并在此基础上对文章内容进行微观分析,自上而下,兼顾篇章形式与内容,可使学生最大限度地获取语篇中的完整意义,有效地提高语篇阅读理解能力.     

基于VC的INSAR原始数据读取与处理成像

合成孔径雷达干涉复图像配准之前的原始数据读取和处理生成单视复图像技术是提高InSAR复图像配准精度的重要工作之一。介绍了ERS的数据格式,利用VC 6.0快速编译的特点,给出了一个切实可行的数据读取和处理成像的新方法,并通过对部分ERS1/2 SAR原始数据的处理,试验结果证明了该方法的有效性。     

Relationship between somatic growth and otolith growth: a case study of the ornate jobfish Pristipomoides argyrogrammicus from the coast of Réunion (SW Indian Ocean)

The ornate jobfish Pristipomoides argyrogrammicus Valenciennes 1832 occurs in the Indo-West Pacific Ocean, where it is harvested by small-scale coastal fisheries. Management of this species is hindered by lack of adequate biological data. We sampled a total of 113 individuals from the landings of local artisanal fishers on the island of Réunion (southwestern Indian Ocean), from March 2014 to March 2015. The relationships between two types of body length (total and standard length, cm) and total weight (g) were shown to be significant (p < 0.05). The length–weight relationship was described by a power function, with the scaling factor estimated to be 0.008 and the exponent 3.146. Age was determined using whole otoliths. The von Bertalanffy growth equation was estimated to be TL_t = 30.68(1 – e^?0.52(t)). Otolith morphometry variables (length, width and area) were significantly correlated with age estimates (p < 0.05). No significant difference in age estimates was observed between left and right otoliths used as predictors. Readings from observed age and the estimates from modelled age indicated relatively good agreement, suggesting the potential to use whole otoliths for age estimation.