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- Keywords dam;ecological effect;ecological effect chain;ecological effect web;ecological effect type;spatiotemporal scale.; 大坝;生态效应;生态效应链;生态效应网;生态效应类型;时空尺度;
- ecological effect chain 生态效应链
- Ecological effect of peat and weathered coal on alkali-saline soil. 草炭与风化炭改良盐碱土的生态效应。
- Ecological effect of exotic Cd-Zn compound pollution on purple soil. 紫色土Zn、Cd复合污染生态效应研究
- The long-time ecological effect of eutrophication control measures such as damming, dredging, diluting etc. 结果表明，大部分湖区浮游植物群落结构与治理前基本相同，仍以蓝藻占绝对优势。
- To question only why fox is rejected from the diet encourages a single cause? and? effect chain of reasoning that leads incorrectly to biological explanations. 单独质问为什么狐狸肉被排除在食物之外只能鼓励简单的因果链式的推理，从而错误地导致生物学解释。
- The results of study indicated that four plant species all had promising ecological effect,and the ecol... 研究结果表明,4种树种的林木都具有良好的生态功能,但各树种林木的生态功能不尽相同。
- Objective To explore the potential health and ecological effect of environmental endocrine disrupting chemicals(EDCs). 摘要目的了解环境内分泌干扰物潜在的健康和生态效应。
- According to the cause and effect chain of balanced scorecards,the paper discusses weight factors in four aspects of BSC for different suppliers. 在平衡记分卡因果关系链的基础上,分析了供应链中不同类型的供应商的评估对平衡记分卡的4个方面的不同权重。
- The hilltop ecological effect of Danxia Landform generated by the distinct physiognomy and topography was investigated. 摘要首次探讨了丹霞地貌山顶生态效应现象，揭示特殊的地貌、形态所产生的特殊生态现象。
- Urban dew is a non-negligible condensed water resource and humidity origin. To research its ecological effect is of great significance. 城市露水是一种不可忽视的凝结水资源和湿度来源,其生态效应研究具有重要意义。
- The issues about urban dew and its ecological effect research were listed,and some further research trends were prospected. 另外,文章指出了城市露水及其生态效应研究存在的问题,提出了今后城市露水及其生态效应的研究方向。
- Grassland agroecosystem, as a systematic mode, provided with ecological effect and engineering systematic effect by itself. 草地农业系统作为一个系统模式,本身有其生态效应和工程系统效应。
- A.mearsii and P.yunnasensis grew the best hydrological ecological effect respectively for interception rate and stemflow. 乔木树种的生物学特征特性也有差异。
- Especially within a big broadcast domain a number of causes can generate a snowball effect chain reaction culminating with the broadcast storm with a severe negative impact on network latency. 当广播封包佔满了整个网路即形成广播风暴，当发生广播风暴时，将无法连线到这个网路，而原本已连线的网路也会断掉，目前这个网路也会变成无法和外界连线
- The required ecological effect of MQL cutting fluids is indicated and some base oils and additives of ecological cutting fluids are presented in the paper. 简述了生态效应对MQL切削液的要求,给出了具有生态效应的几种切削液基油和添加剂,并对其生态性能和切削性能进行了比较。
- It was indicated N split supply has an accumulated ecological effect on the rice rhizosphere microbes activities, so does water factor on the soil microbes of rice rhizosphere. 这说明在分次施氮的施肥模式下，施氮对水稻根际土壤微生物的生态效应保持一定的持续作用，而水分条件对土壤微生物的生态效应也需要一定的时间才能起作用。
- A lot of literatures and records on tablets have attested to the process and ecological effect of provided Beijing with energy during the Yuan to Qing Dynasty. 文献和碑刻资料，证实了北京能源供应的发展过程及其连带的生态效应。
- Ecologically effective city agriculture will be accelerated. 加快发展生态高效都市型农业。
- An Effective chain extender(BOZ)for linear polyesters, such as polyethylene terephthalate (PET), polybutylene terephthalate (PBT)has been prepared. The Kinetics for the reaction of PET(or PBT)and different amounts of BOZ have been investigated. 合成了对聚酯树酯端基具有活性的扩链剂BOZ,研究了对聚对苯二甲酸乙二酯(PET)和聚对苯二甲酸丁二酯(PBT)的扩链反应过程,扩链反应时间和扩链剂用量等对特性粘度的影响。
