查询词典 Potamogeton

Vegetative growth ability of Potamogeton malaianus decreased while reproductive ability increased through the whole winter.

4在经过冬季越冬期后马来眼子菜的营养生长能力下降，繁殖能力上升。

However, the selenium can relieve the damage to a certain limitation. During the cultivation of Potamogeton maackianus of rich selenium, the situation of heavy metal pollution should be checked in time so as to avoid the damage on fish caused by the heavy metals enriched in the bait.

然而，Se缓解Cd对黄丝草的毒害是有一定限度的，在富Se黄丝草的繁殖过程中，需及时检查重金属污染情况，防止重金属在饵料中的富集，以免造成对渔业的危害。

The soluble protein content maintainers at higher level, but the proline content is on the contrary, which indicates that selenium improves the resistance of Potamogeton maackianus to the stress of Cd.

可溶性蛋白含量则保持较高的水平，脯氨酸含量刚好相反，说明Se 增强了黄丝草对Cd胁迫的抗性。

The results indicated that Vallisneria spiralis,Hydrilla verticillata and Potamogeton crispus are likely fed by grass carp and bream. In order to promote the flourishing of...

根据所得结果，提出了苦草刈割间隔期以23天为宜；通过割草养鱼试验，提出了蓄草养鱼的配套技术措施，并对滆湖网围养鱼的发展提出建议。

It indicates that: The eco-physical system composed by Potamogeton crispus system can reduce T N ,TP load of river water taking sediment.

利用冬春季沉水植物菹草构建的阶梯式水生植物系统研究了其对水体悬浮泥沙及氮、磷污染物的净化效果。

Potamogeton malialaianus was the dominant species of submerged plants in , but the rate of swamp forming is more rapidly due to the increasing sedimentation and rapid growing of emerging plant and leaf - floating plant after .

高等水生植物在50年代以马来眼子菜为主，但进入90年代后，随着挺水植物，浮叶植物的逐步扩展，沉水植物的覆盖率和生物量日益降低，湖底的淤积和部分湖区沼泽化的进程加快。

The biomass photosynthesis activity of Ruppia maritima and Potamogeton pectinatus and the proline,malondialdehyde,catalase,and chlorophyll contents in their leaf-tissues in response to salinity were studied by investigating the plants cultured with reclaimed wastewater of different salinities.

通过在不同盐度再生水中培养川蔓藻和蓖齿眼子菜，研究了它们的生物量、光合强度及其组织中的脯氨酸、丙二醛、过氧化氢酶和叶绿素的含量变化对再生水中盐度的响应。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。