查询词典 aquatic

Our study show that 9, 11-Octadecadienoic acid, methyl ester is the highest content of organic acid ester components in non-hydrocarbon fraction, higher content of 6-Octadecenoic acid, methyl ester reflects mainly terristrial source input, higher content of pentadecane acid, 14-methyl, methyl ester or Heptadeeanoic acid, 16-methyl, methyl ester shows mainly aquatic source input.

原油和岩石抽提物非烃中有机酸酯类化合物的有机地球化学研究报道很少，系统研究发现非烃有机酸酯中9，11-十八二烯酸甲酯含量最高，而次高峰的丰度可用作生源判识，陆源母质输入多的样品次高峰为6-十八单烯酸甲酯，水生母质供给多者次高峰为14-甲基十五烷酸甲酯或16-甲基十七烷酸甲酯。

With 5 plants including Lindernia rotundifolia, Cryptocoryne crispatula, Hygrophila stricta, Microrium sp. and Peperomia sandersii as the tested materials and the highest eutrophic lake water from Guishui Lake in Yanqing County in Beijing City as the matrix of plant growth, 3 test groups with high, middle and low input density were set up to study the effect of input density of aquatic plants on the purifying efficiency of the eutrophic lake water.

方法］以小瓜子、缎带椒、中柳、皇冠和西瓜草5种植物为试材，以北京市延庆县妫水湖8月份富营养化程度最高的湖水为植物生长基质，设高、中、低3个投放密度试验组，研究植物投放密度对富营养化湖水的修复效率影响；通过测定水样中总磷酸盐、总氮、氨氮和硝态氮的浓度变化，确定植物修复的最佳效率。

Based on some characters such as elongated phalanges and short claws with pointed flexor tubercles, Gansus yumenensis is regarded as the bird adapted to life in the aquatic environment.

该鸟类趾节拉长，很短的爪具有较尖锐的屈肌结节，因而被认为是一种适应于水生生活的鸟类。

"Pinctada maxima seedling cultivation techniques among the" national "Eleventh Five-Year" 863 projects by the Chinese Academy of Aquatic Sciences and Fisheries Research Institute and the South China Sea Fisheries Research Institute of shared responsibility.

&大珠母贝苗种中间培育技术&是国家&十一五&863计划项目，由中国水产科学研究院南海水产研究所和省水产研究所共同承担。

Due to their strong piscivorous habit, the exotic glass fish may cause damaging effects on the aquatic ecosystem and native fish populations.

由於暹罗副双边鱼对於鱼苗有很强的掠食性，因此该族群对於日月潭水库的生态系统可能会造成很大的危害。

A predatory fish: adultsmainly piscivorous in Zoo Negara Lake, Malaysia, but in Saguling Reservoir, West Java, 74 % of the diet consists of aquatic insects.

捕食的鱼： adultsmainly 食鱼动物园中央湖，马来西亚，但 74%的饮食西爪哇，Saguling 水库包括水生昆虫。

Aquatic plants were soaked in two purifying-tanks to investigate the effects of illumination intensity and aeration on diurnal variations of Chla,SP,POD of Pontederia cordata and pH,DO,COD,NH+4-N,TP of water from purifying-tanks when treating the malodorous river water at seven different times,another blank purifying-tank was set as a control. Comparative studies and correlation analysis of these different indicators were carried out to improve the plants working efficiency and provide scientific basis for optimal operation of plant purifying-tanks.

测定了曝气和非曝气的2个植物净化槽在1 d中7个不同时间点的出水水质理化指标(pH、DO、COD、NH+4-N、TP)及植物叶片的叶绿素、可溶性蛋白含量及过氧化物酶活性，另设空白槽为对照；试验目的是研究各指标的日变化情况及相互关系，为提高梭鱼草净化黑臭河水的处理效率及其植物净化槽的合理优化运行提供科学依据。

Portunus trituberculatus is a famous aquatic variety in Ningbo city and melanin is often found in storage period. It is a big problem to prohibit melanin phenomenon and prolong storage period of Portunus trituberculatus.

三疣梭子蟹属宁波名特优水产养殖品种，但三疣梭子蟹在保藏加工中容易发生褐变，哪种包装方式可抑制梭子蟹褐变并有效延长产品保鲜期，是一个值得探讨的问题。

Any of various submerged or floating aquatic plants of the genus Potamogeton having inconspicuous flowers borne in small spikes.

水池草一种在水中或浮在水面的眼子菜属水生植物，有生成小穗的不显眼花朵

Any of various submerged or floating aquatic plants of the genus Potamogeton having inconspicuous flowers borne in small spike s.

水池草一种在水中或浮在水面的眼子菜属水生植物，有生成小穗的不显眼花朵

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。