Yang cong hai deng (4 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pages Number: 244 shrimp pollution-free healthy breeding technology details the basic biological characteristics of shrimp. healthy fingerlings and broodstock cultivation technology. aquaculture and breeding operations technology. contemporary shrimp farming technology trends. In order to achieve pollution goals. with particular emphasis on the breeding process of medication. water craft. food requirements. aquaculture wastewater treatment and aquaculture and envir.…

paperback. Condizione: Good. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.The freshwater crab shrimp farming (up and down 2)Four Satisfaction guaranteed,or money back.

paperback. Condizione: New. Paperback. Pub Date: 2020-08-01 Pages: 154 Language: Chinese Publisher: China Water Resources and Hydropower Press China Small Hydropower Sustainable Development Theory and Practice Research comprehensively reviewed the development process of China's small hydropower. and summarized the development of small hydropower The development model and successful experience. and try to carry out research on China's small hydropower from the three levels of power station. national and international. ma.…

paperback. Condizione: New. Paperback. Pub Date: 2022-04-01 Pages: 261 Language: Chinese Publisher: Yellow River Water Conservancy Publishing House Qianping Reservoir Drainage Structures and Power Station Design and Technical Application Take Qianping Reservoir Drainage Structures and Power Stations as an example The research object. the design and technology application research work was carried out for the reservoir discharge structure and power station. According to the planning and operation conditions of the reserv.…