Pandemic
发表于 2025-3-30 11:57:46
http://reply.papertrans.cn/103/10209/1020898/1020898_51.png
Gnrh670
发表于 2025-3-30 13:48:06
http://reply.papertrans.cn/103/10209/1020898/1020898_52.png
Dungeon
发表于 2025-3-30 20:19:11
http://reply.papertrans.cn/103/10209/1020898/1020898_53.png
meritorious
发表于 2025-3-30 22:26:20
http://reply.papertrans.cn/103/10209/1020898/1020898_54.png
记成蚂蚁
发表于 2025-3-31 01:15:51
http://reply.papertrans.cn/103/10209/1020898/1020898_55.png
Fibrillation
发表于 2025-3-31 08:39:07
Metal Resistance and Accumulation in Cyanobacteria,nage and human wastes, has long been recognized as an important source of these pollutant. Metals constitute more than 75% of all known elements and occupy groups 1A to 6A (representative metals), groups 1B to 8B (transition metals) and the lanthanide and actinide metals.. The term “heavy metals” ha
宇宙你
发表于 2025-3-31 12:34:07
http://reply.papertrans.cn/103/10209/1020898/1020898_57.png
法官
发表于 2025-3-31 15:53:06
http://reply.papertrans.cn/103/10209/1020898/1020898_58.png
无关紧要
发表于 2025-3-31 18:28:21
A Material Transformation Model for Biological Stabilization Ponds,hroughout the world. This is one kind of semi-natural ecosystem in which various material transformation processes take place. Among these processes, carbon, nitrogen and phosphorus transformations are the most important ones. From an ecological point of view, material transformation and cycling pro
食品室
发表于 2025-4-1 01:24:24
Limits to Growth,atural water bodies.. Normal primary and secondary treatment of these wastewaters eliminates the easily settled materials and oxidizes the organic material present, but does not remove the nutrients which will cause eutrophication of the rivers or lakes into which these wastewaters may be discharged