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- Stock density indices 资源密度指数
- 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。
- The paper reviewed the effects of music and stock density on the growth performance and carcass quality for crossbreed broilers. 该文就音乐及饲养密度对笼养肉杂鸡的生产性能及屠宰性能进行了初步探讨。
- Abstract: Based on twice survey data in the adjacent waters of Zhanjiang port of autumn and winter in 2005, the species composition and stock density of necton were analyzed. 摘 要: 根据2005年湛江港邻近水域秋冬2季渔业资源调查的资料,分析和研究了该水域游泳生物的种类组成及其资源密度的分布。
- 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。
- Regressional analysis of growth data including salinity, ALK and TH indicates that artemia's growth and survival rate are related to aqua-chemical factors as well as its stock density. 并将实验池卤水的盐度、ALK、TH与卤虫的生长进行了回归分析。结果表明:卤虫的生长与成活不仅与放养密度有关,也与卤水的水化因子密切相关。
- 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。
- A study on the effect of stocking density and water temperature on the growth of juvenile white spot pike Esox luciuswas conducted. 研究了养殖密度和温度对白斑狗鱼稚鱼在设施养殖中生长的影响。
- Title: EFFECT OF STOCKING DENSITY ON GROWTH, FEED CONVERSION AND PIGMENTATION IMPROVEMENT OF TURBOT(SCOPHTHALMUS MAXIMUS L. 关键词:大菱鲆;饲育密度;生长;饲料系数;色素改善
- Effect of artemia stock density on its growth 不同的卤虫放养密度对其生长的影响
- Results: The density indexes of rats and cockroaches in 2001 increased by 1.05 and 1.56 respectively than in 2000, while the density indexes of mosquitoes and fli... 结果:与2000年监测结果相比鼠密度指数及蟑螂密度指数分别上升1.;05;1
- Albeit the genetic potentials is a major factor determining livestock performance, it can not be seen independently from other factors such as feed ingredients, feeding regime, stocking density, hygienic conditions and overall health status. 虽然,遗传潜力是决定生产性能的重要因素,但是其他因素,例如饲料组成,饲喂制度,动物密度,卫生状况及健康状况都是和生产性能密不可分的。
- The results showed that scallop stocking density had significant effects on chlorophyll a(chl.a),ammonia-N,particulate organic matter(POM),and total particulate matter(TPM) levels(P<0.01). 结果表明:扇贝密度极显著影响水体的叶绿素、氨氮、颗粒有机物(POM)和悬浮颗粒含量(P<0.;01); 显著影响水体的总颗粒物(TPM)含量(P<0
- The druggist put in a full stock of drugs. 那位药商进了一大批药品。
- All its stock in trade is glossy paper backs. 该店的全部现货是光面的平装书。
- He ceded his stock holdings to his children. 他将股票让给了他的子女。
- A silt density index Measurement Apparatus Realized by MCU 由单片机实现的污染密度指数测试仪
- He went heels over head into buying mining stock. 他购买了矿业股票,做事真鲁莽。
- The store is closing out a large stock of toys. 该店正减价出售大批玩具存货。
- Mr Sharp ceded his stock holdings to his children. 夏普先生将他的股票过户给他的子女。
