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美国优质紫花苜蓿在宁夏中部干旱带的适应性研究  CNKI文献

以宁夏盐池县本地苜蓿XM及宁夏益科农业科技有限公司引进的15个美国紫花苜蓿品种为研究对象,综合考虑生育期、株高、密度、产草量、茎叶比、越冬率等指标,开展苜蓿引种适应性研究.结果表明,以本地种XM为对照,15个外引...

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美国优质紫花苜蓿在宁夏中部干旱区适应性研究  CNKI文献

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高婷 张晓刚... 第三届中国苜蓿发展大会论文集 2010-05-11 中国会议

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宁夏中部风沙区草场表层土壤储水分布特征研究  CNKI文献

为了从涵养水分角度验证牧草引种适应性效果,试验采用实时定位、动态监测方法对宁夏中部风沙区天然草场、美国优质牧草引种试验区0~40 cm层次土壤储水量分布特征进行对比探讨。结果表明:宁夏中部风沙区天然草场土壤水...

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美国优质紫花苜蓿品种在宁夏盐池引种试验  CNKI文献

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通过由共振成象原子力显微镜(AFM)得到的并用胶形态,定量确定了在填充BIMS/BR[溴化聚(异丁烯-对甲基苯乙烯)/顺式1,4-聚丁二烯]并用胶中炭黑的相分布。发现炭黑会优先分配进入到BIMS相,这种选择性随着BIMS含量的增加而...

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The determination of geographic origin of gems become one of the main tasks in the trade.The stable isotopes signatures of gems shed light on the nature of fluids,the sources of elements responsible ...

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