Ministry of Agriculture Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences Water Quality Control Technology 1. Reasonable and water saving, guaranteeing water use for key water surfaces. (1) Scientifically dispatching fishery water and coordinating and solving water conflicts in various industries. For irrigation ponds and small reservoirs, it is necessary to coordinate the relationship between fisheries and agricultural production, formulate a scientific water scheduling plan, determine the minimum water level if necessary, and avoid multiple losses; if conditions permit, “Tangtang Water can be used. †That is, the method of passing water through the pond and irrigating the farmland is to scientifically deploy and make full use of effective water resources. (2) Strengthen aquaculture water adjustment to ensure normal production. Drought causes water evaporation in the ponds, which increases the density of livestock culture, deteriorates water quality, and has a serious impact on aquaculture production. The first is to ensure aquaculture water use. Take effective measures such as building dams and impounding water, dredging ditches, diverting irrigation, pumping stations, and pumping wells to pump water, so as to maximize the dispatch of fishery production water to meet the needs of aquaculture. (3) Based on the principle of scientific and rational and water saving, the frequency of water changes should be appropriately reduced to increase the utilization rate of water. For areas with better water sources, do a good job of pond storage and maintain a large water capacity. (4) Do a good job in the inspection and maintenance of the leakage of ponds and fishery rice fields, and find that leaks are promptly repaired and plugged to reduce the waste of water. (5) Repair and add irrigation facilities to ensure smooth water supply. (6) Give priority to ensuring the use of water for broodstock and fingerling ponds. In areas with severe drought conditions, ponds or fish should be preserved by means of ponds or transfer. When ponds are transferred or transferred, pay attention to the method of operation to minimize damage to fish. When transporting, try to choose to do it in the evening. 2. Try to increase the amount of water stored in the pond to ensure aquaculture production. (1) Where conditions permit, it is also necessary to take temporary use of small wells to raise water, organize irrigation and drainage machinery, add new water, and ease the water supply conflicts. (2) Deepen the pond water level, improve the water quality, reduce the water temperature and the amount of fish in the water body. (3) If it is impossible to add water, coordinate the relationship between the farmers and transfer the seed to ponds that are about to dry up, concentrate them to a pond with a better water source, and return them to the original pond after the drought is released. (4) Cage culture areas move cages to deeper waters. 3. Make full use of limited water resources and strengthen water quality control.
Manual resuscitator with oxygen tubing, reservoir bag
and pressure limiting valve.
With mask or without mask.
With PEEP valve or without PEEP valve.
Reusable Silicone Manual Resuscitator
Disposable PVC Manual Resuscitator
The resuscitator is intended for pulmonary resuscitation.
The range of application for each version is:
â— Adult: adults and children.
â— Pediatric: children and infants.
â— Infant: infants and neonates.
The resuscitator can be used as normal for continued oxygen supply and
assisted ventilation
Manual Resuscitator,Manual Oxygen Resuscitator,Adult Infant Resuscitator,Pulmonary Resuscitator Hangzhou Trifanz Medical Device Co., Ltd , https://www.cfzmed.com