SNP的检测方法及其在农作物遗传育种中的应用

SNP（单核苷酸多态性）在生物基因组中具有数量多、分布广等特点,是目前广泛应用的第3代分子标记,在现代生物研究方面具有重要的应用价值。本研究综述了SNP的检测方法及其在农作物遗传育种中的应用。     

英语专业学生批判性思维能力培养的实证研究--以英语作文反馈式评价为媒介

依托Moodle平台,采用对英语专业学生英语作文进行反馈的方式训练学生的批评性思维技能。实验过程中利用“批判性思维质性评价量表”对实验班进行一对一的反馈式评价,实验结论显示,经过系统的训练和有针对性的反馈,实验班的批判性思维技能得到提高,证实了网络平台在思辨能力培养中的作用。     

第三方测试在四川省基层医疗卫生机构管理信息系统建设中的应用

介绍了四川省基层医疗卫生机构管理信息系统建设过程中引入第三方测试的背景、工作思路、第三方测试团队的具体工作内容,分析了建设过程中需要注意的问题,并提出了解决办法。     

基于PDCA和雨课堂的教学闭环质量体系设计——以安全检测与监控课程为例

为顺应国家提出的新工科发展要求,文章重新分析和梳理了安全检测与监控课程的教学内容,将课程中的重点、难点、痛点等划分为预学、共学、延学3个教学模块,基于PDCA循环和雨课堂技术,对该课程的教学方法和教学内容设计了短期、中期、长期的调整方案,由此提升了教学效果,打造了能够持续改进的教学闭环质量体系。     

Usability Evaluation of a Research Repository and Collaboration Web Site

This article reports results from an empirical usability evaluation of Human-Animal Bond Research Initiative Central as part of the effort to develop an open access research repository and collaboration platform for human-animal bond researchers. By repurposing and altering key features of the original HUBzero system, Human-Animal Bond Research Initiative Central hosts previously published materials from related disciplines and an extensive bibliography, in addition to traditional hub materials such as tools and datasets. Seven graduate students in the College of Veterinary Medicine at Purdue University participated in the usability evaluation. Tasks included exploring the system, finding an article in the repository, submitting an article to the repository, adding bibliographic information of an article to the repository, and using interaction features such as user groups. Participants also answered open questions regarding their overall experience and rated Human-Animal Bond Research Initiative Central's usability using the System Usability Scale. Response measures included task successfulness, navigational steps, task time, participant comments, and behavior notes recorded by the researcher. Results of the evaluation showed that the overall user experience of Human-Animal Bond Research Initiative Central was satisfactory but also indicated a number of usability issues. Participants had difficulty inputting metadata such as resource type and author information when submitting an article to the repository. There were also interface design issues regarding layout and consistency. It is expected that findings from this study and the evaluation methodology can be extended to the development and evaluation of similar research repository systems.     

Toward a User-Centered Academic Library Home Page

ABSTRACT

In the past decade, academic libraries have struggled with the design of an effective library home page. Since librarians' mental models of information architecture differ from those of their patrons, usability assessments are necessary in designing a user-centered home page. This study details a usability sequence of card sort and paper and online survey methods conducted at the Auraria Library, which serves the University of Colorado Denver, the Metropolitan State College of Denver, and the Community College of Denver. The three top complaints about the existing Web page included information overload, lack of visual cues and guidance, and difficulty getting to what students knew was the heart of the library's Web page: online resources. Using qualitative and quantitative data from the card sorting sessions, the Web librarian, under the direction of the Web Advisory Committee, was able to create a more user-centered home page. Unique to this study are the use of undergraduate students in creating test instruments and a means of gathering information about what students value most in their library's home page.     

Kicking the Tires: A Usability Study of the Primo Discovery Tool

Discovery tools offer users a powerful way of searching library holdings as well as external databases and indexes. They are becoming an increasingly common part of the library user experience, and research on the usability of such tools is expanding. In 2012, a mid-sized academic research library implemented Primo Discovery and Delivery by Ex Libris and conducted a diagnostic usability test to investigate how the tool is used without instruction, to discover patterns in searching behavior, and to uncover how compatible Primo is with user search behavior. This article will describe the design and implementation of the usability study. Despite some design flaws, users adapt to the tool over time and can perform effective searches. This article also provides recommendations for future usability studies in specific targeted areas where problems were detected.     

Librarians Do It Differently: Comparative Usability Testing with Students and Library Staff

Usability testing on library search tools was conducted with ten students and eighteen library staff members at Syracuse University. The study addressed three research questions: (1) Do the ways in which librarians carry out search tasks on the library Web site vary from those of student users?; (2) Are those variations indicative of different mental models, i.e. different experience with and knowledge about the content and search tools on the Web site?; and (3) If there are differences, what are the implications of those different models for the usability of the site by students? Participants were tasked by using the library's Web site to locate both known items and items about a subject in the library's collection. The two groups differed in the success with which they were able to complete the tasks, as well as the time used. There were differences in the selection of search tools, the syntax used within the search box, the expectations of how library resources are organized, and the level of persistence as tasks were performed. Students’ behavior is characteristic of different mental models for how search tools work. The results are applicable to the design of the library's Web site and have implications for how library staff conduct reference and instruction services.     

Lipemia: causes,interference mechanisms,detection and management

In the clinical laboratory setting, interferences can be a significant source of laboratory errors with potential to cause serious harm for the patient. After hemolysis, lipemia is the most frequent endogenous interference that can influence results of various laboratory methods by several mechanisms. The most common preanalytical cause of lipemic samples is inadequate time of blood sampling after the meal or parenteral administration of synthetic lipid emulsions. Although the best way of detecting the degree of lipemia is measuring lipemic index on analytical platforms, laboratory experts should be aware of its problems, like false positive results and lack of standardization between manufacturers. Unlike for other interferences, lipemia can be removed and measurement can be done in a clear sample. However, a protocol for removing lipids from the sample has to be chosen carefully, since it is dependent on the analytes that have to be determined. Investigation of lipemia interference is an obligation of manufacturers of laboratory reagents; however, several literature findings report lack of verification of the declared data. Moreover, the acceptance criteria currently used by the most manufacturers are not based on biological variation and need to be revised. Written procedures for detection of lipemia, removing lipemia interference and reporting results from lipemic samples should be available to laboratory staff in order to standardize the procedure, reduce errors and increase patient safety.