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NaCl和Na_(2)SO_(4)胁迫对籽粒苋种子萌发的影响 被引量:2
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作者 辛晓悦 姜丹 +4 位作者 徐华阳 高雨萱 国怡 李木子 姜云天 《现代园艺》 2021年第11期5-6,8,共3页
以籽粒苋种子为试材,研究不同浓度NaCl和Na_(2)SO_(4)对籽粒苋种子发芽率、发芽势等萌发指标的影响,明确种子萌发期对两种盐胁迫的耐受性。结果表明:20 mmol/L NaCl和Na_(2)SO_(4)胁迫处理促进籽粒苋种子萌发,而过高浓度的盐胁迫则抑制... 以籽粒苋种子为试材,研究不同浓度NaCl和Na_(2)SO_(4)对籽粒苋种子发芽率、发芽势等萌发指标的影响,明确种子萌发期对两种盐胁迫的耐受性。结果表明:20 mmol/L NaCl和Na_(2)SO_(4)胁迫处理促进籽粒苋种子萌发,而过高浓度的盐胁迫则抑制籽粒苋种子萌发。籽粒苋种子萌发期对NaCl和Na_(2)SO_(4)盐胁迫的适宜浓度为74.06 mmol/L和66.54 mmol/L、半致死浓度为121.59 mmol/L和102.05 mmol/L、极限浓度为197.63 mmol/L和158.87 mmol/L,且籽粒苋种子萌发期对NaCl胁迫的耐受性强于Na_(2)SO_(4)胁迫。 展开更多
关键词 籽粒苋 NACL胁迫 Na_(2)SO_(4)胁迫 种子萌发
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How to Improve Students' Initiatives in Cooperative Teaching
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作者 辛晓悦 《海外英语》 2016年第19期229-231,234,共4页
With the development of the society, cooperative teaching is no longer a new topic, but a new teaching ideology with great zeitgeist. Nowadays, each part of the society pays more and more attention to cooperative spir... With the development of the society, cooperative teaching is no longer a new topic, but a new teaching ideology with great zeitgeist. Nowadays, each part of the society pays more and more attention to cooperative spirit, cooperative consciousness and cooperative skills. As a kind of competence which is more important than knowledge, cooperation is becoming a rather important accomplishment of people, which is quite popular among them. For a long time, the traditional teaching mode in our country is neither helpful to the development of the main role of students', nor to the students' cooperative consciousness or competence. Therefore, during the new round of curriculum reform, changing the students' learning methods has been a focus of people. Under this background, we bring"cooperative learning in groups"into our class, and try to explore it from multiple angles.In this thesis, I will give advice to the cooperative teaching mode through analyzing the theoretical basis, teaching mode and teaching characteristics of the cooperative teaching in order that students' initiatives can be improved in cooperative teaching. 展开更多
关键词 cooperative teaching MODE INITIATIVES
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