Composite photosynthetic bacteria was formed by mixing A and B, then put the mixture into fishpond water.
采用厌氧光照富集法培养光能有机异养型光合细菌A液和光能无机自养型光合细菌B液,将A液和B液配合成复合光合细菌,将其投放到鱼塘水中,结果表明按2%投放复合光合细菌对鱼塘水净化效果最佳,其中对NH3—N去除率88。
An experiment of removal of nitrogen and phosphorus in fishpond water /sewage by natural zeolite was conducted,and the changes of purifying water used for r aising goldfish with tea -bag pouched zeolite with time were also dealt wi th.
采用室内试验研究了天然沸石对鱼塘水及生活污水氮磷的去除效应,并对沸石茶包净化饲养金鱼水的效果进行了探讨。
Flow injection analysis is used to detect the contents of NO-2 and NO-3 in fishpond water samples.
采用流动注射技术测定鱼塘水样中的NO2-和NO3-含量,以对氨基苯磺酸和甲萘胺盐酸盐为显色剂,在510 nm下比色测定NO2-的含量,而NO3-则在稀醋酸条件下用锌粉将其预还原成NO2-后,也在上述相同的条件下测定其含量。
Stability Analysis of Spillway Excavating Slope at Liyutang Reservoir;
鲤鱼塘水库溢洪道开挖边坡稳定性分析
Application of Pump for Delivering Concrete With Graduation Ⅲ in Concrete Construction of Yutang Hydropower Station;
三级配混凝土输送泵在鱼塘水电站混凝土施工中的应用
Based on setting up 3D model and with analysis software of ANSYS,spillway brake-room of Yutang hydropower station were calculated by 3D finite element method to emphasis analyze the state of stress and strain of the section of anchor and cattle-leg.
通过建立三维模型,应用ANSYS分析软件,对鱼塘水电站溢洪道闸室进行三维有限元计算,重点分析了预应力锚固端和牛腿部位的应力和应变,为鱼塘水电站溢洪道闸室的设计提供了依据,也为今后的实际工程提供了有意义的参考。
Study on CSG dam construction technique and its application to Daotang Reservoir Project;
CSG技术研究及其在道塘水库的应用
Analysis of 3D Finite Element Method for Spillway Brake-room of Yutang Hydropower Station;
鱼塘水电站溢洪道闸室三维有限元分析
Bisphenol A pollution in aquatic waters of Pearl River Delta and related ecological risk assessment
珠三角地区鱼塘水体中双酚A污染及其生态风险评价
About 30 hectares of fish ponds were flooded resulting in loss of about 90 tonnes of fish valued at $1.46 million.
约有30公顷鱼塘因水浸而损失约90公吨塘鱼，价值146万元。
It became a pool of dead water when all fishes died.
所有的鱼都死了,池塘成了一潭死水.
Structural optimization of polyculture model of fish-mussel in small-scale reservoirs
山塘小水库蚌鱼混养模式的结构优化
EFFEOT OF WATER MAGNETIZATION AERATOR ON HIGH PRODUCTION IN POND PISCICULTURE
“水磁化”增氧机在池塘养鱼高产中的使用效果
Investigation of Chloramphenicol Pollution in the Freshwater Aquiculture and the Biodegradation of Chloramphenicol
淡水养殖鱼塘中氯霉素污染及微生物降解研究
Inheritance and the Promotion of Technical with Running Water Fish Culture in Kaihua Mountain Areas
开化山区坑塘流水养鱼技术的传承与推广
Purification Effect of Elodea nuttallii on Water in Pond Stocked Pelteobagrus fulvidraco
伊乐藻对黄颡鱼池塘养殖水体净化效果的试验
Variation Rules of Water Quality and Budget of Nitrogen and Phosphorus in Ponds with Grass Carp as the Dominant Cultured Species
主养草鱼池塘水质指标的变化规律和氮磷收支
a big fish in a little pond
1. 小塘中的大鱼
Pond fish culture yielded 2550 tonnes, or 6 per cent, of freshwater fish for local consumption.
年内，塘鱼总产量为2550公吨，占本地淡水鱼消耗量的6%。
During the year, pond fish culture yielded 4 500 tonnes, or 10 per cent, of freshwater fish for local consumption.
年内，塘鱼总产量为4500公吨，占本地淡水鱼消耗量的一成。
High Production of Fish in the Clear and Poor Water……A Report on the Techniques of Breeding Fish in New ponbs
清瘦型水体高产养鱼技术研究——新挖池塘商品鱼养殖高产技术研究
An edible freshwater fish(Cyprinus carpio) of Europe and Asia that is frequently bred in ponds and lakes.
鲤鱼一种产于欧洲和亚洲的可食淡水鱼（鲤鱼鲤属），常饲养在池塘和湖泊中
A tank, bowl, or other water - filled enclosure in which living fish or other aquatic animals and plants are kept.
水草缸，养鱼缸池塘、碗形物或其它盛水的围护物，在其中蓄养活鱼和其它水族动物植物
Some two thousand years ago, in a river in ancient India, there was a pond full of fish.
约两千多年前，古印度有一条小河，其中有个满是鱼儿的水塘。
A goldfish rose to the surface of the little pond, with a sharp rippling sound.
那小池塘里，一条金鱼浮上水面来，激起一片涟漪，清脆的一声响。