大豆根瘤固氮活性对干旱的响应摘要：在开放的试验场地中通过定量浇灌控制土壤干旱程度，对盆栽大豆进行试验测定，研究了不同干旱程度对大豆根系，重点是根瘤活性的影响。结果表明，土壤的干旱程...

The Analysis of the Testing Points of Mathematics in the National TeacherQualification Examination (Senior School)Abstract The function of the teacher qualification examination is ...

AbstractTrigonometric function is an important content of senior high schoolmathematics and that also is an important examination point of college entranceexamination.What the most...

目录引言4一、拉丁美洲历史政治的寓言…(一)拉丁美洲历史的影射与浓缩…。5（二)拉丁美洲的政治书写与暴力批判.7二、拉丁美洲民族精神疾病的寓言…9(一)“孤独症”的民族疾病隐喻含义9(二)“失...

AbstractWith the improvement of people's living standards,supermarket shopping hasgradually occupied an important position in people's life.Supermarkets in China arefacing huge pot...

南通职业大学毕业设计（论文）食品中山梨酸成分的分析检测摘要食品中添加的山梨酸含量过高，如果消费者长期服用这种食品，很大程度上会危害人体健康，因此，食品中山梨酸的含量是是至关重要的。...

Design of the production process of 100 thousand tons ofchloromethane per yearAbstractMethyl chloride (CH3CD),a colorless and liquefiable gas,is usually stored in steelcylinders un...

本实验不用乳化剂（乳化剂残留对合成乳液的涂膜性能产生不利影响），成功合成水性PUA分散体。简要过程为：首先在丙烯酸单体存在下制备由一NCO封端的高分子预聚体，并使用少量HPA封端。预聚体残...

目录1关于变限积分与积分不等式的国内研究现状分析11.1变限积分的研究现状·········21.2积分不等式的研究现状········22定积分和变限积分的相关概念····2.1定积分的相关概...

本科论文inventory management;Then,according to the specific situation of Shanxi Fenjiu Co.Ltd.Andcombined with theory and practice,this passage puts forward the existing problems i...