尾轮

Acute toxicity testing method was used to study effects of different density of Prorocentrum donghaiense,Heterosigma akashiwo and Alexandrium tamarense on mortality rates and population growth parameter of Brachionus plicatilis under controlled experimental conditions.

应用急性毒性试验方法，研究了可控生态条件下不同密度的东海原甲藻、赤潮异弯藻和塔玛亚历山大藻对褶皱臂尾轮虫的致死率和种群增长参数的影响。

The high temperature and dark environment decreased the predation risk for B.

高温(30℃)和黑暗环境降低了萼花臂尾轮虫的捕食风险。

Compared with control, the filtering rate and feeding rate of the rotifer B.

与对照组相比，壶状臂尾轮虫对给定饵料单胞藻的滤水率和摄食率都随UV-B辐射剂量的增大而显著减小P。

At 20℃, 25℃and 30℃, the percentage of mictic females in the offspring of the four rotifer clones was significantly different, and that of Clone C was the highest.

在四个温度(15℃、20℃、25℃和30℃)下对四个克隆萼花臂尾轮虫的后代质量及其与温度、轮虫个体大小和卵大小等之间的关系进行了研究。

The effects of UV-B radiation on population growth of rotifer Brachionus urceus were studied using the method of population accumulative culture.

运用群体累计培养的方法研究了UV-B辐射增强对壶状臂尾轮虫种群增殖的影响。

The second part: Researches in the measure of increas production and operation sequence of batch culture for rotifer.

在30升的有机玻璃培养桶中，用面包酵母作为饵料，采用逐渐扩大培养体积的方法，批量培养萼花臂尾轮虫，收获密度可达400～530ind／ml，培养过程中的密度可维持在200～300ind／ml。

Brachionus angularis is usual specie in fresh water, and is considered to have important status in material cycle and energy transportation in fresh water ecosystem, and applied value in aquaculture.

角突臂尾轮虫是淡水常见轮虫种类之一，在自然水生态系统的物质循环和能量传递过程中具有重要的作用，在水产养殖和水环境监测等方面也具有重要的应用价值。

Brachionus calyciflorus is a common specie in freshwater ecosystem, and has important status in structure construction, material cycle and energy transportation in freshwater ecosystem.

萼花臂尾轮虫是淡水常见轮虫种类之一，在淡水生态系统的结构组成、物质循环和能量传递过程中具有重要的作用。

This tail unit is usually a very small wheel but could even be a skid on a very simple design.

它即可以是一个小尾轮，也可以是一个尾橇。

C. The quality problem of head annulus and tail wheel itself, make their coaxial is spent and demand of radial round jumpy precision is insufficient.

头轮和尾轮本身的质量新问题，使得他们的同轴度和径向圆跳动精度要求不够。d。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。