论文部分内容阅读
ISO9000与教育质量管理
【机 构】
:
天津市教育科学研究院,天津,300191
【出 处】
:
天津市教科院学报
【发表日期】
:
2002年2期
其他文献
Transcription factors (TFs) are key cellular components that control gene expression.They recognize specific DNA sequences,the TF binding sites (TFBSs),and thus
Phylotranscriptomics in Cucurbitaceae Reveal Multiple Whole-Genome Duplications and Key Morphologica
The ability of climbing plants to grow upward along others to reach the canopy for photosynthesis is hypothesized as a key innovation in flowering plants.Most m
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
水分不足和养分缺乏是制约广大旱农地区生产的两个关键因素。如何有效地对二者进行调控,达到高产、优质和高效的生产目的,国内外已进行了大量的研究。灌溉施肥是生产中经常采用
Vector-be plant diseases have significant ecological and economic impacts,affecting farm profitability and forest composition throughout the world.Bacterial vec
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
根瘤菌-豆科植物固氮体系的共生固氮量约占生物固氮总量的65%,是生物固氮中固氮量最多、效率最高的体系,开展根瘤菌菌种资源调查、遗传多样性及结瘤机制等研究对更好地了解该
,Multicellular Systems Biology: Quantifying Cellular Patterning and Function in Plant Organs Using N
Organ function is at least partially shaped and constrained by the organization of their constituent cells.Extensive investigation has revealed mechanisms expla