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Abstract: Catering to the characteristics of a college course—livestock anatomy,histology and embryology and taking one unit of this course as an example the way of developing its CAI courseware script was introduced.
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文摘:针对《家畜解剖学及组织胚胎学》课程的特点,以该课程中的某个单元为例,介绍了用多媒体创作工具来制作该课程CAI课件时脚本的设计方法。 |
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Abstract: Causes for porosity occurrence in welding seams were investigated by means of statistic analysis of the porosity degree of welding seams of the submerged arc weld spiral pipes made with X65 and Q235 steels from different works and mating weld ma
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文摘:通过对不同厂家生产的X65级和Q235钢材与不同的焊接材料相匹配所生产的螺旋埋弧焊管焊缝内的气孔进行统计分析,并从钢材中氧含量的多少及其焊接材料匹配的不同,来研究焊缝中气孔产生的原因。 |
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Abstract: Cellular adhesive molecular is a kind of membrane glycoprotein, which has associations with invasion and metastasis of tumor.
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文摘:细胞粘附分子是一类跨膜糖蛋白、与肿瘤侵袭转移关系密切。 |
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Abstract: Changbaishan Tianchi volcano being one of the most famous volcanoes in the world is an active volcano with the largest scale and potential danger in modern history.
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文摘:长白山天池火山是世界著名的火山之一,是我国规模最大、最具有潜在喷发危险的一座近代活动火山。 |
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Abstract: Change in soil temperature induces the changes in the microbial community composition and their activity; some communities at higher temperatures have the ability to access to or metabolize substrates that are not used by members of the microbia
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文摘:土壤温度变化导致微生物群落组成及其活性产生变化;某些微生物群落成员在较高温度时有能力代谢那些在较低温度时不能被利用的基质;因此,土壤温度上升将影响土壤生态系统中的C、N、S循环。 |
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Abstract: Characteristics of film hole irrigation and effects of irrigation technological parameters on ir-rigating quota are analyzed, and the relationships among discharge per unit width, hole spacing and ir-rigation quota are studied in this paper, bas
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文摘:根据膜孔灌溉大田灌水试验资料,分析了膜孔灌溉特点和灌水技术要素对膜孔灌灌水定额的影响,研究了单宽流量与开孔率与膜孔灌灌水定额的关系。 |
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Abstract: Characterized by vast coverage and extra intensity, soil erosion in the Upper Yangtze River Valley has become an important indicator of the ecological and environmental deterioration in the region.
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文摘:长江上游水土流失面积广,侵蚀强度大,是其生态环境退化的重要标志。 |
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Abstract: Chen Liangshao's epitaph was discovered in 2002 to be possessed by a curio merchant.
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提要:陈良绍墓志于2002年春在古玩商人处发现。 |
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Abstract: China fir were planted at the soils from different rocks by the experimental ecological method.
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文摘:在不同岩性土体上进行了杉木栽植的研究。 |
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Abstract: Chinese culture feeds Chinese art,which also reflects C hinese traditional culture in the depths.This article clarifies that vague beaut y of art is an important characteristic of Chinese art beauty by the study on th e relationship between Chin
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文摘:中国文化哺育了中国艺术,中国艺术从深层反映了中国传统文化.本文通过对中国文化与中国艺术的关系问题的研究,阐明了艺术的模糊美是中国艺术美的一个重要特证,而这一特证是根源于中国传统文化的理论特色——模糊. |
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Abstract: Chitin/Chitosan is a natural polymer that has rich resources and wide-ranging uses.Now there are more and more countries and research setup having paid attention to its exploitation and research.This text analyses and prospects for the new trend
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文摘:作为一种资源丰富、用途广泛的天然高分子化合物,甲壳素/壳聚糖产品的开发研究已引起越来越多的国家和研究机构的重视,本文对该领域研究和发展的新动向进行了分析和展望。 |