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zooplankton造句

"zooplankton"是什么意思  
造句与例句手机版
  • In ground form , as well as zooplankton should be administered as feed . this can not only supplement a possible lack of plankton and lower costs , but also produce healthy and active shrimps . the ingredients of
    当后期幼虫开始进入底栖生活时,以混碎后的维仁虾片与其他浮游生物喂饲,不但可以补足浮游生物的缺乏,节省成本外,就可孕育出健康活力的虾苗。
  • A water quality model of non - conservative substances , including nitrogen , phosphorus , phytoplankton and zooplankton is established , which takes into consideration the physical and biochemical processes related to nitrogen and phosphorus
    摘要考虑了近岸海域影响氮、磷含量、时空分布的主要物理、生物化学过程,建立了胶州湾海域非保守物质(氮、磷)的水质预测模型。
  • High - latitude calcareous phytoplankton and zooplankton might share a similar fate , although their declines would come decades later because their shells are formed from calcite , the less soluble form of calcium carbonate
    高纬地区的钙质浮游植物和浮游动物可能有相似的命运,虽然它们受到影响的时间也许会晚数十年,因为钙质浮游生物的外壳由方解石形成,这种碳酸钙矿物结晶比较不容易溶解。
  • It was showed that carbon source bacteria could absorb was a more important factor than ( nh4 ) 2so4 and kh2po4 ; and higher ph , rich biomass of phytoplanktons and zooplanktons in water body also restrained the growth of heterotrophic bacteria
    结果表明生物可利用的有机碳是主要的限制性营养因子,而氮源和磷源的影响较小;湖水的高ph以及丰富的藻类和浮游动物生物量也制约了异养细菌的生长。
  • In the periods of peak zooplankton abundance , that is , in the late spring and in the summer , haney recorded maximum daily community grazing rates , for nutrient - poor lakes and bog lakes , respectively , of 6 . 6 percent and 114 percent of daily phytoplankton production
    在浮游生物数量高峰期,也就是晚春和夏季的时候,汉尼分别在营养匮乏的湖泊和沼泽做了纪录,发现浮游生物每日的群体觅食量是每日浮游植物产量的6 . 6 %和114 % 。
  • In the periods of peak zooplankton abundance , that is , in the late ring and in the summer , haney recorded maximum daily com - munity grazing rates , for nutrient - poor lakes and bog lakes , re ectively , of 6 . 6 percent and 114 percent of daily phytoplankton production
    在浮游动物数量激增的高峰期,亦即在春季后期以及夏季,哈尼记录了最大程度上的每日群落食草比率,对于营养物不充足的湖和沼泽湖而言,分别为每日浮游植物繁殖量的6 . 6 %和114 %
  • In the periods of peak zooplankton abundance , that is , in the late spring and in the summer , haney recorded maximum daily community grazing rates , for nutrient - poor lakes and bog lakes , respectively , of 6 . 6 percent and 114 percent of daily phytoplankton production
    译文:在浮游动物数量激增的高峰期,亦即在春季后期以及夏季,哈尼记录了最大程度上的每日群落食草比率,对于营养物不充足的湖和沼泽湖而言,分别为每日浮游植物繁殖量的6 . 6 %和114 %
  • In the periods of peak zooplankton abundance , that is , in the late spring and in the summer , haney recorded maximum daily com - munity grazing rates , for nutrient - poor lakes and bog lakes , respectively , of 6 . 6 percent and 114 percent of daily phytoplankton production
    在浮游动物数量激增的高峰期,亦即在春季后期以及夏季,哈尼记录了最大程度上的每日群落食草比率,对于营养物不充足的湖和沼泽湖而言,分别为每日浮游植物繁殖量的6 . 6 %和114 %
  • Results as following : in the east china sea and the yellow sea , zooplankton showed higher diversity in the low latitude and warm species occurred mainly in the south of 31 n , five communities were distinguished by twinspan method , based on data of species composition and environmental factors . they are : i ) yellow sea neritic community ( f ) with indicator species of labidocera euchaeta in autumn and centropages mcmurrichi in spring ; ii ) yellow sea central community ( hc ) with indicator species of themisto gracilipes , calanus sinicus and euphausia pacifica , the latter two species occurred only in autumn ; iii ) east china sea continental shelf mixed water community ( k ) with indicator species such as rhincalanus cornutus and pterosagitta draco which were confined in waters with high temperature and salinity , iv ) yellow sea and east china sea mixed water community ( he ) and v ) east china sea inshore mixed water community ( m )
    根据twinspan等多元分析结果,比较各组群的浮游动物种类组成和环境特征,可将东、黄海浮游动物群落分为5个,黄海沿岸群落( f ) ,指示种秋季为真刺唇角水蚤,春季为墨氏胸刺水蚤;黄海中部群落( hc ) ,指示种以细长脚虫戎为主,秋季还有中华哲水蚤和太平洋磷虾;东海外陆架高温高盐群落( k ) ,指示种为角锚哲水蚤、飞龙翼箭虫等多种狭布型暖水种类;黄东海交汇区群落( he )和东海近岸混合群落( m ) ,两群落包含多种生态类型种类,其中温带近岸低盐种在he中较多,广布性暖水种在m群落中较多。
  • In this paper , zooplankton communities , their species composition and indicator species in the east china sea and the yellow sea were examined with multivariate methods . in the southern part of the yellow sea , where was known as an important spawning ground of anchovy , the seasonal variations of zooplankton were studied in details with respect to species composition , abundance , biomass and vertical distribution . furthermore zooplankton indication of the yellow sea warm current ( yswc ) in winter was discussed
    本论文用数理统计方法(包括:双向指示种分析、多维定标序列分析、判别分析和多元回归分析)对春、秋两季东、黄海浮游动物群落进行了划分、确定各群落的指示种;对南黄海浮游动物的种类组成、分布及其时空变化进行了研究,并与历史资料进行了比较;并探讨了黄海冷水团对某些浮游动物的意义,以及浮游动物对黄海暖流指示。
  • It's difficult to see zooplankton in a sentence. 用zooplankton造句挺难的
  • Studies by hargrave and geen estimated natural community graz - ing rates by measuring feeding rates of individual zooplankton species in the laboratory and then computing community grazing rates for field conditions using the known population density of grazers
    由哈格雷夫( hargrave )和吉恩( geen )所进行的研究,对自然条件下的群落食草比例进行了估计,其手段是通过测量出实验室内单独的浮游动物种类的结食比例,然后利用已知的食草动物种群密度,计算出实地状况下的群落食草比例。
  • This dissertation is about one - year ' s study of fuzhou ' s inner river in community ecology of zooplankton , which evaluated the water quality of this river through the analysis of the structure variation of its zooplankton community and combining with the physical and chemical indexes , then may give some suggestions to the rational and efficacious measures of fuzhou ' s inner river management
    对福州内河进行为期一周年的浮游动物群落生态研究,以期利用浮游动物群落结构变化,结合理化指标对福州内河进行水质综合评价,为福州内河合理、有效的治理提供基础资料。
  • The main feed at this time consists of brine shrimp larvae , oyster eggs and diatoms spiruline , skeletonema costatum . however other zooplankton such as copepoda and rotifera can also be used . during the mysis stage the bodies of the fry become larger and so are able to ingest the nauplii of the brine shrimp along with spirulina and
    糠虾期幼虫个体较大,已能摄食丰年虾无节幼虫,拌用螺旋藻,虾苗丹喂饲,其存活率有意想不到的好,将螺旋藻与丰年虾无节幼虫,虾苗丹等配合一起喂饲,其存活率高的原因,在于丰年虾无节幼虫亦能摄食螺旋藻虾苗丹,可增加丰年虾无节幼虫的存活率,不仅能节省丰年虾外,又能避免水质恶化不需要常换水。
  • A dynamic model for dissolved inorganic nitrogen ( din ) and phosphate ( po4 - p ) cycles and budgets in jiaozhou bay was established according to the principles of d - n - p - z model . in the model , 6 state variables ( din , po4 - p , phytoplankton , zooplankton , organic detritus , and dissolved organic nutrients ) were included . logically this model was divided into three modules - nutrients input , nutrients cycle in seawater , and output of both dissolved substances ( e . g
    本文根据n ? p ? z ? d模型的基本原理,建立了胶州湾氮、磷营养盐循环收支动力学模型,主要包括营养盐输入,营养盐生物、化学迁移和转化内循环,溶解态和颗粒态物质水动力输出3个逻辑模块,涉及溶解无机氮( din ) 、磷酸盐( po _ 4 - p ) 、浮游植物、浮游动物、有机碎屑和溶解有机态营养盐6个状态变量。
  • Humic acid usually formed from phytoplanktons , zooplanktons , and epicontinental vascular plants through biodegraded and condensated reaction . krogen derived either from humic acid or from the reworking materials . differing from humic acid and kerogen , bc was produced from the incomplete combustion of fossil fuels and biomass
    并且不同的有机质有不同的来源,腐殖酸通常是浮游生物和陆生的高等植物经过生物降解、聚合等过程形成的;干酪根是腐殖酸进一步演化而成,既有原生的也有异地迁移而来的;碳黑则不同于腐殖酸和干酪根,它是生物质和煤、油等化石燃料经过燃烧产生的。
  • From september 2000 to august 2001 , we collected the zooplanktons qualitatively and quantitatively at 12 sampling sites in the river and measured 3 physical indexes ( temperature , ph and electric conductivity ) and 5 chemical indexes ( nh3 - n , tp , tn , codmnand do ) . through identifing the zooplanktons " category , the common and the dominant species were ascertained
    2000年9月至2001年8月,在内河的主要河道设置12个采样点,对浮游动物进行定性和定量的采集,同步进行温度、 ph值和电导率三项物理指标以及氨氮、总磷、总氮、高锰酸盐指数和溶解氧五项化学指标的测定。
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