查询词典 submersed

The wet environment of soil also got more anaerobic in the long submersed time and promoted the utilization of soluble phosphorus by anaerobe and its transformation to OP, which explained the dramatically augment of OP in both land soil and drainage streams.

同时， 在周期较长的淹灌期间，土壤潮湿的厌氧环境增强，促进了厌氧微生物对溶解态磷的吸收利用，将其转变成有机态磷，因而在灌区土壤和排水中有机磷含量均有极显著的提高。

In this paper, the major factors which have effects on the numerical convergence includ the inner distance of the sources submersed into the body surface, the distance moved upward above the mean free-surface, the computing range of free surface, and the collocation point interval.

本文选取足够的自由面计算范围和边界配置点数量，讨论了物面内潜深度和自由面上提升高度对计算结果收敛的影响，并建议了内潜距离的计算表达式，获得了一致收敛的数值解。

The experiment individually focused on the velocity distribution of concentration ellipse shape represented in oxidation ditches existed in sewage treatment plants, and confirmed the rationality of aeration and the submersed flow driver power designed.

该试验在实际污水处理厂进行，对采用同心椭圆型沟道的Orbal氧化沟的流速分布进行了的测定，重点研究了Orbal氧化沟的水力流态特征，验证了曝气及水下推动设备功率配置的合理性。

The survey for similar Orbal oxidation ditch was performed on-the-spot for safety of engineering design. The experiment individually focused on the velocity distribution of concentration ellipse shape represented in oxidation ditches existed in sewage treatment plants, and confirmed the rationality of aeration and the submersed flow driver power designed.

该试验在实际污水处理厂进行，对采用同心椭圆型沟道的Orbal氧化沟的流速分布进行了的测定，重点研究了Orbal氧化沟的水力流态特征，验证了曝气及水下推动设备功率配置的合理性。

To transplant Elodea nuttallii,Potamogeton crispu in winter when water level is lower and its transparence is higher than other season is an effective way to establish pioneer submersed plant community.

利用冬季水位低、透明度相对高的时机种植伊乐藻、菹草等这些适合冬春季生长的沉水植物是建立沉水植物先锋群落的一个有效途径。

Any of various submersed aquatic herbs of the genus Elodea, native to the New World, having opposite or whorled one-nerved narrow leaves and small axillary flowers.

伊乐藻原产美洲的几种伊乐藻属水底草本植物之任一种，有对生或轮生的单脉狭长叶片和腋生的小花

In an experimental enclosure system, floating plant Eichhornia crassipes was planted in summer and submersed plant Elodea nutalli was planted in winter to reestablish water ecosystem, and to investigate the effects of the hydrophytes on the removal of nitrogen and phosphorus from polluted water body and the improvement of water transparency.

在实验围隔系统中，夏季利用凤眼莲、冬季利用耐寒型沉水植物伊乐藻等恢复水生生态系统，研究水生植物对水体氮、磷营养盐、透明度等理化性质的影响。

Seagrass are endogen plants living in intertidal and subtidal zones develope a series of ecophysiological changes adaptive to submersed sea water environments. This paper reviewed seagrass photosynthesis that is impacted by factors such as light, temperature, inorganic carbon and salinity, of which light and inorganic carbon are the common restriction factors.

生活在潮间带和潮下带海水中的单子叶植物海草，在生理生态方面对海洋沉水环境形成了一系列的适应，其光合作用受到光照、温度、无机碳和盐度等环境因子的影响，其中光照和无机碳常常成为限制因子。

Remote sensing technology can be used to timely monitor the distribution and growth status of submersed vegetation on a large scale, but the suspended matter in water bodies may affect the spectral characters of submersed vegetation, resulting in an inaccuracy of the interpretation of related remote sensing images.

应用遥感技术可以实时、大面积监测沉水植物的分布和生长情况，而水体中的悬浮物等物质影响沉水植物的光谱特征，直接影响对湖泊、河流遥感影像中沉水植物的准确解译。

Leaves arising from rhizome, simple, alternate, floating, emersed, or submersed, long petiolate but short petiolate on submersed vernal ones; leaf blade undivided, usually with a basal sinus, often peltate.

单叶着生于根状茎，互生，漂浮，挺水，或沉水，有长叶柄但是在春季的沉水叶上为短叶柄；叶片不分裂，通常基部有凹缺，通常盾形。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。