planktonic organism是什么意思

用法例句

Analysis on the Stability of Large Cylinder Buoyant inGrade 20-ton Mineral Wharf in Fangcheng Port;

防城港20万吨级矿石码头大圆筒浮游稳定分析

Effect of fish cage culture on plankton biodiversities in the summer of Jiantiao at Sanmen Bay;

三门湾健跳港网箱养殖区浮游生物多样性的夏季调查

Investigation on the plankton in newly constructed Dafangying reservoir of Hefei city;

合肥市大房郢水库蓄水初期浮游生物调查

The response of plankton in excavating coal subsidence pool to the mining area ecological changes;

采煤塌陷塘浮游生物对矿区生态变化的响应

The phytoplankton classified measure based on excitation fluorescence spectra technique;

基于激发荧光光谱的浮游植物分类测量方法

Spatiotemporal distribution of phytoplankton and trophic status in the water resource area of the middle route of China's South-to-North Water Transfer Project;

南水北调中线水源区浮游植物时空分布及其营养状态

The classified measuring of three dimensional excitation-emission fluorescence matrix technique on phytoplankton concentration in water body;

三维荧光光谱法分类测量水体浮游植物浓度

Top-down effects of Anodonta woodiana on nutrient concentration & phytoplankton community composition in a microcosm ecosystem;

背角无齿蚌滤食对营养盐和浮游藻类结构影响的模拟

Effect of nutrient on periphytic aglae and phytoplankton;

氮及氮磷比对附着藻类及浮游藻类的影响

Monitoring and analysis of phytoplankton and the key water quality parameters in the Four Pearl River Openings and the nearby beach waters, PR China;

珠江口四大口门及近滩水域浮游藻类和关键水质因子的监测与分析

Community of Zooplankton and Assessment to Water Quality in Bohai Bay;

渤海湾浮游动物群落结构及水质生物学评价

The Situation and relation of mycrophyte,zooplankton and fish in the ecological restoration of a tropical shallow lake in a city;

热带城市湖泊生态恢复中水生植被、浮游动物和鱼类的关系研究

Effect of zooplankton on removing algae in bio-manipulation;

浮游动物在生物操纵法除藻中的作用研究

More than 1 000 samples of algae were identified.

2003年1月~2004年12月对三峡湖北库区江段5个采样点及其一级支流——香溪河流域6个采样点的浮游藻类进行了为期2周年的调查,共采集和鉴定浮游藻类定性和定量水样1 000余个,获得有效数据2 000多个。

We researched the changes of algae’s and dominant.

到目前为止,只有单从静态水体(如湖泊)或单从动态水体(如河流)进行的研究,本文以两江交汇段长江、嘉陵江及重庆城市湖泊双龙湖为对象,研究不同流速水体中浮游藻类和优势种的构成、数量和季节分布的变化,分析在环境因子影响下形成的藻类特征,找出浮游藻类在不同流态水体中的生长变化规律,以及三峡水库发生富营养化的藻类特征及其时空分布,为三峡库区水体富营养化的预测、防治提供基础和研究依据。

Theoretical study on the distribution of accelerated points of floating fibers in the drafting zone;

牵伸区浮游纤维变速点分布的理论研究

Considering that the concentration of the underflow is low and has more suspended matters in the overflow during the use of thickener in flotation tailings of bauxite.

针对铝土矿浮选尾矿浓密机存在底流浓度低、溢流浮游物偏高问题,自行开发研制了深锥高效沉降槽,以代替普通浓密机,文章介绍了深锥沉降槽的工作原理和结构特点,工业应用及实际效果表明,深锥沉降槽较好地满足了工艺要求,保证了尾矿坝的安全堆存,提高了回水利用率,减少了操作和维护工作量。