1) water environment
水环境
1.
Analysis of important monitoring sections of water environmental condition of Heilong river;
界河黑龙江重点监测断面水环境状况分析
2.
Comparison of several methods on water environment quality assessmewt;
水环境质量评价中几种方法的比较
3.
Research on water environmental problems and pollution protection measures of typical integrated utilizing reservoir——case study of ZhangFeng reservoir;
典型综合利用水库水环境问题及污染控制措施——以张峰水库为例
2) Aquatic environment
水环境
1.
Analysis and comprehensive treatment of aquatic environment in Poyang Lake;
鄱阳湖水环境分析及综合治理
2.
Reviews on source apportionment of PAHs in aquatic environment;
水环境多环芳烃源解析研究进展
3.
Evaluation of the influence of dredging the navigation tract on the aquatic environment around the Chencun water in the Zhujiang Delta;
珠江三角洲陈村水道航道整治对该区域水环境影响评价
3) water-environment
水环境
1.
Research the management plan of water-environment in cities of south region of rivers and lakes;
江南水乡城市水环境整治规划研究
2.
However,lots of water-environment problems occurred in this area now,such as water eutrophication and groundwater pollution,both are getting worse,and water ecology balance has been broken,because governments and factories in this area excessively chase after economic value,but disregarded the protection of environment.
我国中部地区包括山西、河南、湖南、湖北、江西和安徽6省,中部地区整体水资源丰富,河湖众多,但由于在地区水资源开发中,过于追求地区的产值效益而忽视了环境效益,遗留下不少的水环境问题,如水体富营养化现象加剧、地下水水质污染程度进一步加重、水生态平衡失调以及其随之带来的中部地区水质型缺水问题。
3.
However,due to the rapid development of economy and civilization in the past 20 years,its priority in environment has become deteriorated,and the problems of water-environment of the region has become an important factor which restrict the region's sustainable development.
珠江三角洲地区是我国水资源极为丰富的地区之一,然而,20 a余的经济快速发展,加上急剧的城市化,正在使这一优势环境条件变为劣势,区域水环境问题日益突出,已经成为区域可持续发展的重要制约因素。
4) environmental water conservancy
环境水利
1.
The IDDS is ecological water conservancy which integrates disaster-resistance water conservancy,resource water conservancy and environmental water conservancy into one.
论述"灌降排蓄"水利集抗灾水利、资源水利、环境水利于一体,是生态水利;论述本水利模式符合"减量化、再利用、再循环"的循环经济和水资源可持续利用原则;比"排降蓄灌"水利模式技术经济指标优越,尤其可兴利除害结合,可民办水利,见效快,功省效宏,是理想的生态水利模式。
5) environmental water sample
环境水样
1.
A method is proposed for the determination of chemical oxygen demand(COD) in environmental water samples with merging zone stop-flow injection spectrophotometry in KMnO4 system.
研究了KMnO4体系流动注射合并带停留分光光度法对环境水样中化学需氧量(COD)测定的试验条件,包括反应试剂KMnO4的浓度、载流H2SO4的酸度、采样泵泵速及停留时间、反应温度、试剂体积和采样环体积。
2.
This method has been successfully applied to the determination of copper in environmental water samples.
将该体系用于环境水样中微量铜的测定,方法准确可靠,抗干扰效果好且简便易行。
3.
A high performance capillary electrophoresis(HPCE)method was developed for the separation and determination of some dissolved metal ions such as Ca~(2+),Mg~(2+),Na~+in environmental water samples.
采用高效毛细管电泳法对环境水样中溶解态的钙、镁、钠等金属离子进行分离检测。
6) environmental water
环境水体
1.
An analytic method is developed for determination of atrazine, simazine, cyanazine, as well as the degradation products of atrazine, such as desethylatrazine and desisoproylatrazine in environmental water by gas chromatography-mass spectrometry (GC-MS).
用该方法可实现对环境水体中痕量三嗪类除草剂的检测。
2.
This study was made to find out the optimunm degrading conditions of butachlor in environmental water.
为寻求丁草胺在水体中降解的最佳环境条件 ,本研究利用正交试验设计法考察了水体 pH、水质、温度等环境因素对丁草胺在环境水体中降解的影响。
3.
A method for the determination of phenols in environmental water with bromination derivatization and gas chromatography is described.
用ECD检测器气相色谱法测定了环境水体中的酚系物。
补充资料：地面水环境质量标准
分子式：
分子量：
CAS号：
性质：为控制水污染、保护水资源，我国于1988年制订了地面水环境质量标准GB 3838-88。它适用于我国的江河、湖泊、水库等具有使用功能的地面水水域。依据地面水水域使用目的和保护目标分成五类：Ⅰ类，主要适用于源头水、国家自然保护区；Ⅱ类，主要适用于集中式生活饮用水水源地一级保护区、珍贵鱼类保护区、鱼虾产卵场等；Ⅲ类，主要适用于集中式生活饮用水水源地二级保护区、一般鱼类保护区及游泳区；Ⅳ类，主要适用于一般工业用水及人体非直接接触的娱乐用水；Ⅴ类，主要适用于农业用水区及一般景观要求水域。该标准给出了从水温、pH值、溶氧、生化需氧及一些水体不应有或非自然原因导致的对环境水质有影响的无机盐类、重金属元素、有害有机物等30个参数的各类标准值。
分子量：
CAS号：
性质：为控制水污染、保护水资源，我国于1988年制订了地面水环境质量标准GB 3838-88。它适用于我国的江河、湖泊、水库等具有使用功能的地面水水域。依据地面水水域使用目的和保护目标分成五类：Ⅰ类，主要适用于源头水、国家自然保护区；Ⅱ类，主要适用于集中式生活饮用水水源地一级保护区、珍贵鱼类保护区、鱼虾产卵场等；Ⅲ类，主要适用于集中式生活饮用水水源地二级保护区、一般鱼类保护区及游泳区；Ⅳ类，主要适用于一般工业用水及人体非直接接触的娱乐用水；Ⅴ类，主要适用于农业用水区及一般景观要求水域。该标准给出了从水温、pH值、溶氧、生化需氧及一些水体不应有或非自然原因导致的对环境水质有影响的无机盐类、重金属元素、有害有机物等30个参数的各类标准值。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条