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- water bodies density index 水体密度指数
- water body density index 水体密度指数
- The period of the highest density index is August. 在5-10月间8月蝇的密度指数为最高。
- Method for Deriving Indexes of Water Body Density and Vegetation-Cover in Beijing from TM Images 基于TM卫星影像获取北京市水体密度指数与植被覆盖指数的方法
- It is forbidden to dump ship refuse into any water body. 禁止向水体倾倒船舶垃圾。
- It is forbidden to discharge sewage into water bodies within the firstgrade surface sources protection zones for domestic and drinking water. 禁止向生活饮用水地表水源一级保护区的水体排放污水。
- The urban air quality was graded and density index of environment quality was calculated to obtain corresponding assessment results. 同时,对阜新市大气环境质量进行了评价,计算出阜新市环境质量浓度指数并得到相应的评价结果。
- This applies to goods freshwater aquaculture fish, prawns, crabs and shellfish aquaculture, and other water bodies. 本品适用于淡水、海水养殖的鱼、虾、蟹及贝类等养殖水体。
- They are called "feathered bullets" because of their high body density. 他们被称为“带羽毛的子弹”,因为他们的身体的密度很高。
- Habitat: Found in a variety of water bodies including swamps, streams and ponds. 习性:通常生活于各种水体环境中,包括沼泽、溪流、池塘。
- Aquaculture on government-owned land is practiced under a system of lease of land and water bodies from the government. 在政府拥有的土地上的水产养殖按租赁政府的土地和水体的方式实行。
- All water bodies that have a continuous flow of water throughout the year are managed as open access resources. 全年有不间断流水的所有水体按对资源开放利用的形式管理。
- Generally, however, the management of land and water bodies is conducted through the local government administration. 但总体上,土地和水体由当地政府进行行政管理。
- The controlling of phosphorus has been tone of the key factors leading to the eutrophication of water bodies. 摘要磷已经成为引起水体富营养化的关键控制因子之一。
- His barbed and his dissemination of the minimum water body. 他的刺又使得他最低限度地散发体内的水分。
- Based on foregoing information, density index of stand was led into drowing control chart of stand density into variable-density yield table so that the outputting results between chart and. 引入林分密度指数,将林分密度控制图导成可变密度收获表,保证了图表之间输出结果的一致性,为可变密度收获表的编制提供了一种方法。
- The passing-by water bodies in animal farming area was often heavily polluted by NH4(superscript +)-N. 畜禽养殖场附近的河流受养殖污水的影响,水体的氮素污染最为严重,尤其是铵态氮负荷最高;
- Observation rat prostatic fluid leukocyte number of eggs within the phosphorus quality body density changes. 观察大鼠前列腺液内白细胞计数及印磷脂小体密度的变化。
- The monitoring data collected from the water body of ShiMen reservoir were analyzed with the method of comprehensive pollution index. 利用综合污染指数法对石门水库多年监测结果进行分析,基本掌握了石门水库水质的污染状况及变化趋势。
- Studies indicated that various algae in eutrophic water bodies depend on the different content of phosphorus. 研究表明富营养化水体的不同藻类对磷含量的依赖性各不相同。