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- Keywords TN;TP;Vallisneria atans;periphyton;morphological index;biomass;growth rate; 苦草;附着生物;形态指标;生物量;增长率;
- Vallisneria atans 苦草
- Seedling of Vallisneria asiatica Miki L. 苦草幼苗
- Any of several submersed aquatic plants of the genus Vallisneria. 苦草任一种大叶藻属的水下水生植物
- Comparative morphological studies on three species of Vallisneria from China. 我国三种苦草的比较形态观察.
- The atan() function returns the arctangent of a number as a numeric value between -PI/2 and PI/2 radians. 函数的作用是:返回一个指定数值参数的反正切值。
- The group's executive director, Rosemary Feal,says the number of Romansenrollments areisnow atan historic high. 该学会的执行理事RF发言称,目前语言学习登记的数量已达到一个新的历史高度。
- AtAn extremely low body temperature can cause the heart to beat so slowly that a pulse may be difficult to find. 非常低的体温会造成心跳非常缓慢,心电图发现。
- INFLUENCE OF SUSPENDED SUBSTANCE ON GROWTH OF THE SEEDLINGS OF VALLISNERIA ASIATICA MIKI L. 悬浮泥沙对亚洲苦草幼苗生长发育的影响。
- Data that has relevjce for managerial decisions is accumulating atan incredible rate due to a host of technological ydvances. 由于科技的发展,导致与管理决策相关的资料,正以一种惊人的速度被不断累积。
- Besides, Vallisneria spiralis L. and Canna had no significant difference in removal efficiencies of N and P in both lab experiment and field test. 在实验与现场条件,美人蕉与苦草对总氮和总磷的去除率之间没有显著差异。
- Vallisneria spiralis Linn. could inhibit growth of M. aeruginosa, and M. aeruginosa could inhibit the growth of Vallisneria spiralis Lin only under shading conditions. 结果表明,苦草的存在对铜绿微囊藻的生长有明显的抑制;铜绿微囊藻对苦草生长的抑制,必须与藻对苦草的遮光作用相结合才能完成。
- The research is helpful to our understanding of effects of Vallisneria asiatica on the environment of water and the possible diurnal variation of phosphorus release in sediment. 试验结果为进一步研究沉水植物对水体中环境因子影响的日变化特征和影响机理,以及底泥磷释放可能存在的日变化具有一定的参考价值。
- Papilio Memnon with both female and male parts was discovered on Monday local time, at the Butterfly Park on Sentosa Island, the daily reported senior curator Ithnine Atan as saying. 海峡时报报道:世界上第一只雌雄同体的人工培育蝴蝶,在新加坡的自然公园被发现。
- Vallisneria L. [医] 苦草属
- A Papilio Memnon with both female and male parts was discovered on Monday local time, at the Butterfly Park on Sentosa Island, the daily reported senior curator Ithnine Atan as saying. 海峡时报报道:世界上第一只雌雄同体的人工培育蝴蝶,在新加坡的自然公园被发现。
- Vallisneria spiralis L. [医] 苦草(水鳖科)
- SDT-SVM applies SDT to the calculation of sector index and the duration of the adjacent switching state vectors, by which the none-linear calculations such as sin、atan and sqrt functions are avoided. 该技术通过应用决策树简捷高效地实现了扇区号及相应电压基矢量作用时间的计算,省去了传统SVM此间存在的正弦、反正切、开方等非线性计算,节省了计算时间,提高了计算精度。
- Vallisneria spiralis Linn. 苦草
- Vallisneria spiraslis L. 苦草