35results about How to "Protect physical health" patented technology

The invention discloses a data pushing method, which comprises the steps of obtaining to-be-sent data and a content level of the to-be-sent data, the content level of the data representing a stimulation degree of the data; determining a target content level matched with the user; determining target data in the to-be-sent data based on the target content level and the content level of the to-be-sent data; and transmitting target data. Based on the technical scheme disclosed by the invention, the possibility of psychological and physiological adverse reactions when the user accesses the data canbe reduced or avoided, so that the psychological and physiological health of the user is protected, and the user can keep smooth and pleasant experience when accessing the data.

The invention discloses a preparation method of a polypeptide soybean protein complex fiber, which comprises the following steps that (1), soybean protein is soaked in a diluted alkali solution, and stirred at a high speed, then a soybean protein solution is obtained, and subjected to ultrafiltration dialysis by an ultrafiltration membrane, and a polypeptide soybean protein mother solution with protein molecular weight of 300-2000 is prepared; (2), the polypeptide soybean protein mother solution is added to a polyvinyl alcohol solution, a cross-linking agent accounting for 1.0-2.0wt% of polyvinyl alcohol is then added, and mixed uniformly by high-speed stirring, and a polypeptide soybean protein and polyvinyl alcohol blended solution is prepared; and (3), the polypeptide soybean protein and polyvinyl alcohol blended solution is filtered, defoamed, and then subjected to spinning forming, strand drafting and aftertreatment to form the polypeptide soybean protein complex fiber. According to the preparation method, production steps are simplified; the manufacturing cost is low; no aldehyde pollution exists; industrial production is facilitated; the protein molecular weight is low; the loss amount of the protein is low; and maintaining of excellent performance of the protein fiber is facilitated.

The invention discloses a driving assistance type vertical-seam fishway structure and a fish gathering method thereof. The driving assistance type vertical-seam fishway structure comprises a bottom plate, a side wall, multiple long separating plates, multiple short separating plates and multiple driving assistance platforms, wherein a fishway is divided into multiple pool chambers by the long separating plates and the short separating plates, and fish passing vertical seams are reserved between the long separating plates and the short separating plates; each driving assistance platform is formed by a J-shaped plate, an arc-shaped separating plate, a water outlet seam, a water supplementation seam and a small-sized wave generation machine, and arresting nets are arranged at the outer sides of the arc-shaped separating plates. According to the driving assistance type vertical-seam fishway structure disclosed by the invention, the water flow in the pool chambers and the fish passing situation in the positions of the fish passing vertical seams can be monitored in real time by cameras which are arranged in the long separating plates, images can be synchronously transmitted to a computer automatic control system for being analyzed, a command for regulating and controlling the frequency of the small-sized wave generation machine can be sent from the computer automatic control system to the small-sized wave generation machine, the water flow which is suitable for fish migration and the water sound which is capable of attracting fish to swim upstream can be formed in the corresponding pool chamber, the fish passing efficiency of a traditional vertical-seam fishway can be obviously increased, the influence on the fish migration caused by hydro-power and hydraulic engineering can be reduced, and the driving assistance type vertical-seam fishway structure is beneficial for ecological protection for a river.

The invention discloses an ecological fish way with staggered spacer block structures. The ecological fish way comprises fish way side walls, a bottom plate, a plurality of hollow spacer block structures and the like, each spacer block structure comprises a straight section partition plate and an arc section partition plate, flow regulating water passing joints are arranged on the straight section partition plates and the arc section partition plates, the spacer block structures are arranged on the inner fish way side walls, the straight section partition plates are obliquely crossed with the inner side walls, an extended section is formed between the arc section partition plates of two opposite spacer block structures, a certain distance is reserved between the adjacent spacer block structures, and the fish way is divided into a plurality of cell compartments which are mutually communicated through the extended sections among the arc section partition plates. First cavities are formed in the fish way side walls, and driving plates are arranged inside the first cavities. Water flow in the ecological fish way naturally wriggles, the shortcoming of high water flow speed at a vertical slot of a traditional vertical slot fish way is effectively avoided, the influence of water conservancy and hydropower projects on fish migration can be reduced, and ecological protection of rivers is facilitated.

The invention relates to a feed specially used for snakeheads; the feed is characterized by comprising the components in parts by weight: 24-34 parts of fish meal, 10-20 parts of soybeans, 0-10 parts of bean pulp, 5-10 parts of rapeseed meal, 2-6 parts of corn protein powder, 10-23 parts of wheat, 10-22 parts of flour, 1.5-2 parts of monocalcium phosphate, 1-4 parts of soya-bean oil and 1-2 parts of zeolite powder. The feed oil is used, so that the feed protein is saved, the input quantity of nitrogen carried by the feed material and the fish excrement for the aquatic water can be reduced, and the eutrophication of the aquatic water quality is effectively controlled.

The invention discloses a multistage assisted-driving type ecological fishway facility and an operation method of the facility, relates to the field of fish passing buildings and water conservancy and hydropower engineering ecological environments, and discloses a fishway building and fish passing control method suitable for key water control projects with middle and high water heads. The multistage assisted-driving type ecological fishway facility comprises a plurality of stages of fishway units which are distributed in a step mode, a fishway assisted-driving system, a bionic river system, a fishway energy dissipation system and a fish luring monitoring system. When the fishway facility operates, the fishway facility is used in cooperation with a computer automatic control system, and the aim of fish-class step-by-step intelligent assisted-driving upstream sailing is achieved. The fishway facility and the operation method of the fishway facility have the advantage that the facility can assist fishes in passing through the key water control projects with the middle and high water heads to run and sail upstream, and consumed physical ability is small, and the fishway facility is ingenious in design, high in automation degree, capable of greatly improving the fish passing effect of the fishway, and beneficial to natural fishery resource protection, and guarantees continuity and diversity of a river aquatic ecosystem.