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21.
This study focused on an examination of the work of 10 diversity committees operating in 10 research institutions across the midwestern region of the United States. We explored the work of these committees with a focus on the concept of strategic diversity leadership. To conduct this examination we examined five contingencies impacting the work of the committees: a clear definition of diversity, the scope of operation, the importance of committee membership, the role and responsibilities of the committee, and the permanence of the group. Based upon our findings we offer recommendations for diversity committees to contribute to institutional efforts focused on diversity. 相似文献
22.
Raul P. Garrido-Chamorro Marta González-Lorenzo Jose Sirvent-Belando Cristina Blasco-Lafarga Enrique Roche 《Research quarterly for exercise and sport》2013,84(2):241-248
Optimal exercise performance in well trained athletes can be affected by arterial oxygen saturation failure. Noninvasive detection of this phenomenon when performing a routine ergometric test can be a valuable tool for subsequent planning of the athlete's training, recovery, and nutrition. Oximetry has been used to this end. The authors studied 339 athletes performing a similar exercise trial under well controlled environmental conditions. Maximum speed, oxygen uptake, and heart rate levels were simultaneously measured. From the obtained data, six patterns were found: (a) athletes in whom oxygen saturation is constant (≥ 95%) during test execution; (b) athletes displaying a progressive desaturation with incremental exercise intensities; (c) athletes presenting a transient desaturation in the anaerobic threshold region; (d) athletes starting with a mild-to-moderate desaturation at the beginning of the test, but reaching normal saturation values at the end; (e) athletes displaying mild-to-moderate desaturation levels throughout the whole test; and (f) athletes displaying a transient desaturation in the anaerobic threshold region and a new desaturation at the end of the test. In conclusion, it is believed that establishment of desaturation patterns by validated oximetry could be a first approach to evaluate the adaptation of the cardiorespiratory system to exercise intensity, helping to improve results. 相似文献
23.
前言 ２０世纪５０年代以来，人们发现肠里葡萄糖的存在促进钠的转运（Ｒｉｋｌｉｓ＆Ｑｕａｓｔｒｅｌ，１９５８），这个里程碑式的发现引发口服补水溶液配方的产生。为满足水、碳水化合物和电解质最大限度的吸收，精确配制这些溶液的问题激起了相当多的科学研究和讨论。 口服补水溶液一直是由葡萄糖、蔗糖、果糖、多精、谷物淀粉或由这些糖混合，并添加不同种类的电解质（如钢、氯、钾、柠檬酸盐、碳酸氢盐），而配制成低渗至高渗的溶液。这些溶液在十二指肠空肠、回肠和结肠的吸收。已在兔子、鼠、狗、猫和人身上得到了测试。 大多数的… 相似文献
24.
Diversifying Science: Underrepresented Student Experiences in Structured Research Programs 总被引：1，自引：0，他引：1
Sylvia Hurtado Nolan L. Cabrera Monica H. Lin Lucy Arellano Lorelle L. Espinosa 《Research in higher education》2009,50(2):189-214
Targeting four institutions with structured science research programs for undergraduates, this study focuses on how underrepresented
students experience science. Several key themes emerged from focus group discussions: learning to become research scientists,
experiences with the culture of science, and views on racial and social stigma. Participants spoke of essential factors for
becoming a scientist, but their experiences also raised complex issues about the role of race and social stigma in scientific
training. Students experienced the collaborative and empowering culture of science, exhibited strong science identities and
high self-efficacy, while developing directed career goals as a result of “doing science” in these programs. 相似文献
25.
This study compares the extent to which higher education policy analysts and master’s and doctoral faculty of higher education
and public affairs programs match on a set of competencies thought to be important to higher education policy analysis. Analysts
matched master’s faculty in three competencies while analysts and doctoral faculty matched in five competencies. The findings
suggest possible reasons why analysts and graduate faculty agree or differ on various competencies. Also, the findings raise
important questions regarding the preparation of higher education policy analysts and the graduate programs that educate them.
This study is an addition to the body of competency literature.
Eduardo C. Arellano obtained a B.A. in Political Science and an M.P.A from the University of Texas at El Paso, and he holds the Ph.D. in Educational
Administration from New Mexico State University. He is an assistant professor at New Mexico State University in the Department
of Educational Management and Development. His special interests are interactional diversity, competency, and US–Mexico border
studies.
Mario C. Martinez has a B.A. in Electrical Engineering from New Mexico State University, an M.B.A. from the University of Texas at Austin, and
a Ph.D. in Educational Policy and Leadership from Arizona State University. He is an associate professor at the University
of Nevada-Las Vegas in the department of Educational Leadership. His special interests are higher education policy, governance,
finance, competency modeling, and strategy. 相似文献
26.
This article synthesizes the literature comparing at-risk children designated as responders and low responders to interventions in reading. The central question addressed in this review is whether individual differences in reading-related skills at pretest predict responders at posttest across a variety of interventions and sets of criteria for determining responding and low responding. A total of 13 studies met criteria for the meta-analysis, yielding 107 weighted effect sizes (ESs) at posttest (M = .76, SE = .03, 95% confidence interval [CI] =.71, .81) and 108 weighted ESs at pretest (M = 1.02, SE = .03, CI = 1.02, 1.13). The results showed that the magnitude of ES between responders and low responders increased from pretest to posttest on measures of reading (e.g., real word identification = 1.06 vs. 1.53, word attack = 1.10 vs. 1.28, and passage comprehension, 0.45 vs. 1.43). Hierarchical linear modeling indicated that overall posttest ESs were significantly moderated by pretest scores as well as the type of measure administered, whereas no significant moderating effects were found for number of weeks of intervention, length of sessions, number of sessions, type of intervention (one-to-one vs. small group instruction), and criteria for defining responders (cutoff, scores, discrepancy, benchmark). Overall, the synthesis suggested that regardless of type of treatment and identification criteria, response-to-intervention (RTI) conditions were not effective in mitigating learner characteristics related to pretest conditions. 相似文献
27.
Trevino L Contreras-Esquivel JC Rodríguez-Herrera R Aguilar CN 《Journal of Zhejiang University. Science. B》2007,8(10):771-776
The influence of the physical structure of polyurethane matrix as a support in a solid state culture in tannase production
and gallic acid accumulation by Aspergillus niger Aa-20 was evaluated. Three different polyurethane matrices were used as the support: continuous, semi-discontinuous and discontinuous.
The highest tannase production at 2479.59 U/L during the first 12 h of culture was obtained using the discontinuous matrix.
The gallic acid was accumulated at 7.64 g/L at the discontinuous matrix. The results show that the discontinuous matrix of
polyurethane is better for tannase production and gallic acid accumulation in a solid state culture bioprocess than the continuous
and semi-discontinuous matrices.
Project supported by the Agricultural, Livestock and Fishing Department (SAGARPA, No. 12385) and the National Forest Commission
(CONAFOR, No. 2004-C01-13), and the Council of Science and Technology, Mexico 相似文献
28.
Andreiwid Sheffer Correa Raul Mendes de Souza Flavio Soares Correa da Silva 《Government Information Quarterly》2019,36(3):412-426
The rising number of data portals has been increasing demand for new techniques to assess data openness in an automated manner. Some methods have emerged that presuppose well-organized data catalogs, the availability of API interfaces and natively exposed metadata. However, many data portals, particularly those of local governments, appear to be misimplemented and developed with the classic website model in mind, which provides access to data only through user interaction with web forms. Data in such portals resides in the hidden part of the web, as it is dynamically produced only in response to direct requests. This paper proposes an automated method for assessing government-related data in the deep web on the basis of compliance with open data principles and requirements. To validate our method, we apply it in an experiment using the government websites of the 27 Brazilian capitals. The method is fully carried out for 22 of the capitals' websites, resulting in the analysis of 5.6 million government web pages. The results indicate that the keyword search approach utilized in the method, along with the checking of web pages for multifield web forms, is effective for identifying deep web data sources, as 1.5% of web pages with potential government data that are analyzed are found to contain data stored in the deep web. This work contributes to the development of a novel method that allows for the continuous checking and identification of government data from surface web data portals. In addition, this method can be scaled and repeated to assure the widest possible content coverage. 相似文献
29.
This article reports the results and conclusions of a mixed-methods research strategy designed to assess the potential of community networking in rural Tamil Nadu, India. The data reported and analyzed in this article include socioeconomic and household spending, agricultural marketing and price search, availability and use of information on agricultural problems, and communication media use. We use these data to define a framework of existing sources of information for various community agents, with a special emphasis on farmers. We analyze the methods and costs at which these agents obtain information, and identify information and communication gaps that information and communication technologies (ICTs) may help alleviate. This study allows us to demonstrate opportunities for socioeconomic development through ICT-enabled information access. The article concludes by stating the importance of basic communication technologies and contextually relevant information services, and suggesting recommendations for future research in this area. 相似文献
30.
Jorge E. Morais Daniel A. Marinho Raul Arellano Tiago M. Barbosa 《Sports biomechanics / International Society of Biomechanics in Sports》2019,18(1):100-114
The aim of this study was to examine the performance characteristics of male and female finalists in the 100-m distance at the 2016 European Championships in swimming (long-course-metre). The performances of all 64 (32-males and 32-females) were analysed (8 swimmers per event; Freestyle, Backstroke, Breaststroke and Butterfly). A set of start and turn parameters were analysed. In the start main outcome, male swimmers were faster in Butterfly (5.71 ± 0.14s) and females in Freestyle (6.68 ± 0.28s). In the turn main outcome, male and female swimmers were faster in Freestyle (males: 9.55 ± 0.13s; females: 10.78 ± 0.28s). A significant and strong stroke effect was noted in the start and turn main outcome, in both sexes. In the start plus the turn combined, males and females were faster in Freestyle (males: 15.40 ± 0.20s; females: 17.45 ± 0.54s). The start and the turn combined accounted almost one-third of the total race time in all events, and non-significant differences (p > 0.05) were noted across the four swim strokes. Once this research made evident the high relevance of start and turns, it is suggested that coaches and swimmers should dedicate an expressive portion of the training perfecting these actions. 相似文献