Determination of the Content of Chlorophyll a in Surface Water

来源 :气象与环境研究:英文版 | 被引量 : 0次 | 上传用户:weinziel
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Advantages and disadvantages of three extraction methods( acetone grinding,heating and freezing extraction methods) in determination of chlorophyll a in surface water were compared,and the distribution of chlorophyll a in the Fenhe River in Taiyuan region
其他文献
Under strong influence of human activity dust on urban street accumulates a large number of heavy metals difficult to be decomposed.Under certain dynamic condit
摘 要 随着高校招生规模的不断扩大,大学生个性化特征日益凸显,给学生管理带来新的问题和挑战。高校班主任要分析大学生的心理和学习特点,思考探索理想的育人途径,培养适合高速发展的社会需要的高素质人才。从建立和谐的师生关系、利用现代信息交流工具搭建与学生沟通互动的平台、建立合理的奖惩措施、坚持爱心教育、积极打造高素质的学生干部团队等方面,探讨高校班主任育人途径。  关键词 高校;班主任;社交软件  中图
Application and promotion of biodegradable plastic film in modern agricultural production construction have become trend and direction of agricultural developme
Impact of Larimichthys crocea cage culture in Daiqu fishery(Zhoushan,Zhejiang Province)on the chemistry of the sediment was investigated.Sediment samples,in dif
Taking the relationship between new urbanization and urban ecological security protection as research object,based on pressure- status- response model,taking Ga
Starting from lightning disaster information and using computer technology,lightning disaster information is arranged and classified,thereby realizing automatic
美国《网络世界》杂志近日评出了十大非著名科技之父,其中包括手机之父、黑莓之父、以及iPod之父等等。他们没有网络之父蒂姆·伯纳斯李(Tim Beprlers--李)、互联网之父温顿
Schiff base was synthesized by using salicylaldehyde and ethylenediamine as raw materials, and then Co (S alen) complex was synthesized by using Schiff base and
By using the multi-tube sediment samples collected from NB01 station in the Bering Sea during the period of the fourth Chinese Arctic research expedition in 201
<正> 我国是一个产煤大国,煤炭一直是支撑国民经济发展的重要能源之一。随着国民经济的快速发展,煤炭的消耗量也不断增加,因此,经济发展的同时也带来严重的环境问题。我国城