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52 results about "Osmoregulation" patented technology

Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids, detected by osmoreceptors, to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in solution which in this case is represented by body fluid) to keep the body fluids from becoming too diluted or concentrated. Osmotic pressure is a measure of the tendency of water to move into one solution from another by osmosis. The higher the osmotic pressure of a solution, the more water tends to move into it. Pressure must be exerted on the hypertonic side of a selectively permeable membrane to prevent diffusion of water by osmosis from the side containing pure water.

Water circulation system and method for breeding marine fishes inland

ActiveCN101933489AActivates and strengthens osmoregulatory mechanismsImprove adaptabilityClimate change adaptationPisciculture and aquariaJuvenile fishFresh water organism
The invention relates to a water circulation system and a method for breeding marine fishes inland, and mainly solves the technical problems of complex process, large investment, high operating cost, large limitation of breeding varieties, low survival rate, slow growth and the like in the process of breeding the marine fishes in fresh water or low salinity salt water at present. A technical scheme comprises the following steps of: a, establishing the water circulation system; b, performing domestication on juvenile fishes of the marine fishes in the low salinity salt water in a gradient mode, namely breeding the juvenile fishes which are bred in the seawater in the brackish water temporarily, formulating a domestication strategy of slowing salinity gradually, and performing domesticationon the juvenile fishes of the marine fishes through three gradients, namely the brackish water phase, the low salinity phase and the ultra-low salinity phase; c, adding a physiological salt preparation, namely adding metal ions which play a key role in osmoregulation into the water or a feed; and d, managing the breeding, namely providing a preference temperature, illumination intensity and a daily illumination period. The water circulation system and the method are mainly used for breeding the marine fishes inland.
Owner:SUZHOU FISHSEEDS BIOLOGICAL TECH CO LTD

Dry eye symptom moisturizing spray and preparation method thereof

The present invention provides a dry eye symptom moisturizing spray. The moisturizing spray mainly comprises a water-supplementing and moisturizing ingredient, an inflammation inhibitor, an ulcer repairing component, an osmotic adjusting agent and a pH buffering agent. Every 100 parts by weight of the moisturizing spray comprises the following components in parts by weight: 0.01 part-0.1 part of the water-supplementing and moisturizing ingredient, 0.1 part-0.3 part of the inflammation inhibitor, 0.15 part-0.3 part of the ulcer repairing component, 0.6 part-0.9 part of the osmotic adjusting agent and the balance ultrapure water, and the pH buffering agent is used to adjust pH value into 7.0-7.5. The present invention also provides a preparation method of the moisturizing spray. The moisturizing spray is specially used for relieving and treating related symptoms of dry eye syndromes, a special atomized moisturizing device generates micron-sized atomized droplets to warm and moist eyeballparts, wherein the water-supplementing and moisturizing component can maintain moisture for a long time and relieve the dry eye syndromes of eyeballs, and the dry eye symptom moisturizing spray is safe and non-toxic in ingredients, low in irritation and relatively high in user compliance.
Owner:WENZHOU MEDICAL UNIV

Method for adopting lanthanum to enhance acid rain resistance of garbage compost matrix Festuca elata turf

The invention discloses a method for adopting lanthanum to enhance the acid rain resistance of garbage compost matrix Festuca elata turf. The method comprises the following steps of: adding 60g of garbage compost into a plastic cup; selecting full Festuca elata seeds; weighing 0.5g of the Festuca elata seeds and sowing in the cup; culturing in a laboratory at room temperature; 17 days later, applying the rare earth lanthanum with a concentration of 0.2-0.4g.kg<-1> and continuously culturing for 10 days, wherein the temperature of the laboratory in the culturing period is 23-30 DEG C and the relative humidity is 35-70%; starting to spray acid rain, wherein 12ml of acid rain is sprayed one time, the acid rain is sprayed one time per 5 days and the acid rain is totally sprayed 5 times; and measuring all indexes after treating. A test result of the method provided by the invention shows that under a condition of acid rain stress, the rare earth lanthanum can be used for relieving the harmof the acid rain stress to the Festuca elata, increasing the intracellular osmoregulation matters of the Festuca elata, restraining the peroxidation of cell membrane lipids, maintaining the stabilityof cell membranes, increasing the content of chlorophyll and enhancing the photosynthesis of the Festuca elata to accumulate photosynthetic products, so that the stress resistance of the Festuca elata is increased.
Owner:TIANJIN NORMAL UNIVERSITY
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