[!--title--]

来源 :中国科技纵横 | 被引量 : [!--cite_num--]次 | 上传用户:[!--user--]
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
[!--newstext--]
其他文献
研究不同浓度盐溶液(NaCl、MgSO4、盐渍土壤)和PEG模拟干旱胁迫对沙米种子吸胀、萌发和幼苗生长的影响,并观察胁迫解除后种子的反应。结果表明:随着NaCl、MgSO4和PEG浓度的升高,沙米种子吸胀率先升后降,种子萌发率呈现不同程度降低,盐渍土壤溶液对萌发率没有显著影响;对沙米种子萌发和幼苗生长的胁迫效应是NaCl>MgSO4>盐渍土壤溶液,沙米种子萌发和幼苗生长能耐受的NaCl胁迫临界阈值
田面坡度是影响畦灌灌水质量的重要因素,研究田面坡度对灌水性能的影响时,要结合灌水定额、平整精度、田面糙率和单宽流量等参数进行分析。通过对常规平地技术条件下多组合灌溉
静脉药物配置中心(Pharnmcy intravenous admixture service,PIVAS)药师全面参与临床合理用药提供了良好的契机,是现代医院药学服务的重要内容。通过PIVAS3年多的运作,认为PIVAS不
局部浸润麻醉下实施颈部手术时,常因患者呼吸问题影响术者,笔者对术中呼吸管理进行改进,患者和医生均感满意,报告如下.
Developing autonomous mobile robot system has been a hot topic in AI area. With recent advances in technology, autonomous robots are attracting more and more at
目的探讨早期使用甘露醇对轻中型颅脑损伤迟发性颅内血肿的影响。方法回顾211例轻、中型颅脑损伤无颅内血肿的病人,分为伤后6h内使用和不使用甘露醇两组。比较两组病例的CT扫
Fleet Management System (FMS) is a highly applicable system which gets more and more attention among industrial field. Recent years, fuel consumption has become
Lumbar vertebra motion analysis provides objective measurement of lumbar disorder. The automatic tracking algorithm has been applied to Digitalized Video Fluoro
The artificial bee colony (ABC) algorithm is a swarm-based metaheuristic optimization technique, developed by inspiring foraging and dance behaviors of honey be
The design of a wireless water level control system is introduced and discussed in detail. In this system, the wireless Proportional Integral (PI) controller is