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网络虚拟实验中二进制数据的XML传输方法 总被引:1,自引:0,他引:1
网络虚拟实验中二进制数据的XML直接传输方法存在节点数目多,解析困难,不利于网络传输等问题.针对上述情况,采用XML的CDATA域封装的方法对二进制数据进行传输.为了解决由ASCII字符引起的语法错误以及CDATA域的异常结束问题,通过Base 64编码技术对二进制数据进行处理.通过一个虚实结合的球杆系统网络虚拟实验对上述方法进行了验证. 相似文献
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医学期刊的网络化现状与发展 总被引:5,自引:0,他引:5
文章分析了我国医学期刊网络化的意义、现状与问题,提出网络化不仅是医学期刊也是出版业发展的必然趋势,应该转变观念,加速人才培养,健全政策法规,统一技术标准,促进我国医学期刊网络化进一步发展。 相似文献
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K Reshma V Rao Ashalatha M Dinesh DM Vasudevan 《Indian journal of clinical biochemistry : IJCB》2005,20(1):160-164
Flavonoids extracted from the leaves of Indian holy basil, Ocimum sanctum showed promising results as radioprotector in rodents.
Hence it was thought pertinent to analyze the antioxidants of erythrocytes in oral cancer patients who were concurrently treated
with radiation and ocimum flavonoids. Oral cancer patients consisted of 2 groups. Group A (n=17) received radiation alone
while Group B(n=17) received radiation and ocimum flavonoids(OF). Samples of heparinised blood were collected prior to treatment,
15 and 30 days respectively after treatment. Blood from normal healthy volunteers were taken as controls (n=25). Erythrocytes
were analyzed for the antioxidants viz. glutathione, glucose 6 phosphate dehydrogenase, glutathione peroxidase and superoxide
dismutase by the standard methods. Results of analysis indicated that erythrocytes from cancer patients (Group A and B) had
significantly high glutathione levels before as well as after treatment compared to controls. It was observed that Group B
which received OF showed a significant reduction in glutathione levels in comparison with Group A. All the other parameters
showed no statistical significant changes. Results of the study suggest that erythrocytes from cancer patients responded to
oxidative stress by elevating glutathione levels, while a decrease in glutathione levels observed in Group B, could be due
to the free radical scavenging effect of OF, sparing the glutathione. However OF did not seem to exert its effect on other
antioxidants of erythrocytes. 相似文献
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优质、稳定的教师队伍是学生学习的保障,美国为应对教师流失付出了沉重的代价。以芝加哥公立学校为代表,从学校管理层面的研究发现:影响教师流失的因素可归为学校结构、教师自身特点、学生特点和工作氛围4个维度。学校要稳定教师队伍提供有质量的教师,需加强对新任教师引导项目的投入和关注;创建良好的工作氛围以吸引教师留下;协助教师提升课堂管理能力等。这对于目前我国学校如何保证优质、稳定的教师队伍有一定借鉴意义。 相似文献
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Independence, invariance and the causal Markov condition 总被引:4,自引:0,他引:4
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Mwansa DM 《British Journal of Sociology of Education》1995,16(4):495-516
This study examines illiterate participants' perceptions of literacy training that was conducted after 6-12 months of training in one urban Copperbelt province and one center in rural Luapula province in Zambia. Interviews were conducted among 29 female and 11 male participants and 15 male and 3 female officials. Analysis is based on interviews, observations, and written records. The researcher identified five broad areas of change: affective, attitudinal, pedagogic, economic, and sociopolitical. This study shows that literacy in rural areas is beneficial to people personally, to gender relations, and to socioeconomic development. The findings support the arguments advanced by Rockhill (1987), Bhola (1981), Freire (1970), and Nyerere (1978) about the need to reduce the fears and insecurities associated with being illiterate and the gain from developing people and not just production. The literacy training did not enrich people culturally nor did it alleviate poverty; it concentrated on integrating people into new modes of production. Affective changes included changes in self-esteem and feeling happier. Attitudinal changes included positive learning experiences about child care among both men and women. Nutrition and sanitation improved. Couples reported a greater effort at demonstrating polite behavior and respect toward each other. Literacy increased their status among friends and was accepted in steps, such as being proud of knowing how to write their name. Some participants changed their attitudes toward family planning, and clinic attendance increased. Literacy gave some more confidence and awareness of social relations. Literacy helped read seed and fertilizer labels. Lack of reading materials was a problem. Participants reported reading the Bible and magazines and writing letters. Participants tended to participate in church or literacy groups rather than political ones. 相似文献
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