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语文是关于语言文学的一门基础学科,而学习语文也是门细致活儿,需要我们从点滴做起,集腋成裘,聚沙成塔。 下面,我仅从汉语拼音、字、词及写作方面谈一谈语文学习中的积累、归纳记忆方法。 相似文献
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语文人是文科学,语文课是不可或缺的人文教育阵地。然而,当前中职学生大多语文能力不强。究其原因主要是中职语文课堂教学有效性不足。解决这个问题,中职语文课堂教学要巧妙开篇,师生互动营造和谐课堂氛围;更新教育观念,转变教学模式;借助多媒体设备创设提问情境,让学生充分感知语文美。 相似文献
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Abbreviation BH: 5 benzylhydantoin, MH: 5 methyl hydantoin, HPH: 5 (4 hydroxyphenyl) hydantoin, MTEH: 5 (2’ methylthioethyl) hydantoin, IPH: 5 isopropylhydantoin, Nphe: N Carbamoyl phenylalanine, Nala: N Carbamoyl alanine, NHPG:N Carbamoyl p hydroxyphenylglycin, Nval: N carbamoyl Valine.1 Introduction Optically active D amino acids are widely used forthe production of semisynthetic antibiotics, antifungalagents, pesticides, hormones and sweeteners. There isa… 相似文献
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平遥是国家历史文化名城,是世界文化遗产。同时,平遥县人口多、土地少、自然资源缺乏、经济相对落后。近几年来,县委、县政府从平遥的县情出发,在建设经济强县中,把实施“科教兴县战略”与“名城开发战略”统一起来,作出了“扬名城优势,建教育强县”的决定,提出到... 相似文献
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李苏平 《新课程学习(社会综合)》2009,(10)
在进行高中物理新课程教学时,教师要认真钻研教学大纲和教材,把握教学目标,改进教学方法,加强学法指导,培养学生学习物理的思维方法及良好的学习习惯,逐步提高分析问题和解决问题的能力. 相似文献
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Hydantoinase and N-carbamoylase play important roles in the production of optically pure amino acids from racemic 5-monosubstituted hydantoins. In this report, hydantoinase and the N-carbamoylase from Burkholderia cepecia, njut01 were purified to homogeneity by chromatography (Pharmacia Explorer 100 system). The substrate specificity, enantioselectivity, pH dependence of activity and temperature stability of the activity were characterized. The results show that the hydantoinase and N-carbamoylase induced from Burkholderia cepecia, njut01 are both strict D-stereo selective enzymes. They both hydrolyze substrates with side chains containing aliphatic and aromatic residues with higher activity and affinity toward aromatic than aliphatic substituted substrates. The hydantoinase is a homotetramer with subtmit molecular weight near 52,000 and is active between pH 6.5 and 10 with an optimum near pH 9.0. The enzyme is active at temperatures up to 60~C, however, it appears instable at higher temperatures. The subunit molecular weight of N-carbamoylase is about 35KD. The N-carbamoylase is active in the pH range from 6.0 to 9.5. The optira-pH is 7.2 and the optinfizing bioconversion temperature of the N-carbamyolase is 52℃. 相似文献
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李诗凯李苏平 《教育界(基础教育)》2018,(1):59-60
主题图是苏教版数学教材的一大特色,利用主题图,联系生活创设情境,开展游戏活动,可以激发学生学习热情.我们还应当作适当的拓展延伸,引导学生探究学习. 相似文献
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