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A Review on Tomato Regeneration
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作者 L. Wang Y. Tang X. M. Li J. Li C. Ma H. X. Li 《Journal of Agricultural Science and Technology(B)》 2011年第2期163-167,共5页
The present status of studies on regeneration of tomato in vitro was introduced, and the key factors that influence the shoot regeneration system in tomato were summarized, such as genotypes, explants type, explant ph... The present status of studies on regeneration of tomato in vitro was introduced, and the key factors that influence the shoot regeneration system in tomato were summarized, such as genotypes, explants type, explant physiological status, plant hormones and additives. The paper also discussed issues existing in tomato tissue culture and prospected the future development of this system. 展开更多
关键词 Tomatoes tissue culture REGENERATION review.
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货车周转率
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作者 陈常誌 《中国统计》 1955年第6期48-49,共2页
货车周转率,又称货车周转时间,它是以时间来表示货车周转速度快慢的一个综合性指标.平均每辆货车每担当一次货物运输工作所需要的时间,即从第一次装车到第二次装车之间的时间,就是货车周转率,或称货车周转时间.
关键词 货车周转 短货 货车周转时间 管内装卸率 再番 挂目 大斋 调搏 留量 旅行速度
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