217results about How to "With green" patented technology

The invention discloses an under-actuated ship path tracking planning method based on a dynamic virtual ship guidance algorithm. The method includes the following steps that 1, a guide virtual ship mathematic model is established, a ship tracking control reference path is planned out through the guidance algorithm according to the guide virtual ship mathematic model, and an instruction time series signal of the generated reference path of a guidance virtual ship is obtained; 2, the path tracking control state starts; 3, the ship position and movement posture of a dynamic virtual ship are configured dynamically according to the relative position of an actual ship and the guidance virtual ship; 4, control laws, namely the rotational speed nc of a main engine and the helm angle instruction signal delta c of the actual ship are designed according to a robust self-adaptation control strategy, a main engine and steering engine implementation device of the actual ship is controlled, the actual ship is driven and controlled to track the dynamic virtual ship, and the path tracking control task of the ship in navigation practice is finally fulfilled; 5, whether the ship reaches a destination or not is judged by measuring the position of the actual ship, if the ship reaches the destination, ship navigation is ended, and if the ship does not reach the destination, the time t is updated to be t plus one, and the step 2 is carried out.

The invention belongs to the field of fuel desulfurization and particularly relates to a compound photocatalyst taking attapulgite as a carrier and a preparation method of the photocatalyst. Firstly, a raw material rich in carbon and nitrogen is added to attapulgite slurry to be mechanically stirred, then the mixture is kept at the temperature of 520-570 DEG C, and an attapulgite / carbon nitride binary compound is prepared; polyaniline is assembled on the obtained attapulgite / carbon nitride compound carrier, and the attapulgite / carbon nitride / polyaniline ternary compound photocatalyst is prepared. The prepared compound photocatalyst involves no metal or metal oxide catalysts, cannot cause secondary pollution to oil products and has the advantages of environment friendliness and the like.

The invention discloses an early warning system for protecting a bridge from ship collision based on far-infrared cross thermal imaging and belongs to the technical field of anti-collision early warning of the bridge. The system comprises a central control computer, and at least two far-infrared cameras and a warning system which are arranged on the bridge, wherein the far-infrared cameras are used for monitoring a water area on one side of the bridge and connected with the central control computer; and the central control computer controls the warning system. By adopting a far-infrared thermal imaging technology, the system can normally operate at night and in heavy weather such as a foggy day and rain and snow days; and when the ship deviates and then enters a prohibited area, the system can timely give an alarm to a ship operator and a bridge manager by using signals such as a strong sound and a bright light, and the ship operator and the bridge manager can take measures as soon as possible to avoid a ship collision accident. The system can be widely applied to anti-collision early warning technical measures of all kinds of bridges.

The invention provides a smart parking lot based on a parking AGV. The smart parking lot comprises a main building, a computer module, a gate vehicle-blocking module, an AGVS and supporting module, ahuman-computer interaction module, a positioning AP module, an exit and entrance lifting module, a charging module, a vehicle washing module, a maintenance module, an emergency firefighting module, and a green energy source module; the smart parking lot is provided with five layers, and parking areas, AGV charging areas, AGV maintenance areas, monitoring areas, vehicle washing areas, emergency exits, intelligent firefighting areas are arranged in the layers; and lifting vertical ladders are arranged on the two sides of the smart parking lot, the top layer is covered with solar power generationfacilities, and emergency auxiliary ramps are arranged between all layers. The smart parking lot adopts a BIM technology in the design, construction and operation and maintenance stages to form a BIMdatabase.

The invention discloses a common lophatherum herb extract natural food preservative and a preparation method thereof, belonging to the technical field of food preservatives. The preservative is formed by mixing the following raw materials: a common lophatherum herb extract, streptococcus lactis peptide, natamycin and chitosan, wherein the common lophatherum herb extract is prepared by drying common lophatherum herb extraction solution; and the preparation method comprises the following steps: cleaning and crushing bamboo leaves of common lophatherum herb; soaking in sodium hydroxide solution;regulating the pH value; hydrolyzing; extracting; filtering; concentrating; drying; and mixing for getting the natural food preservative which takes the common lophatherum herb extract as a main raw material. The preservative is completely produced from natural ingredients, has no toxicity or side effects, is further wide in a antimicrobial spectrum and can be widely applied in the preservatives in a variety of food fields, and the invention further provides the preparation method of the preservative.

The invention discloses a solar photocatalytic degradation device, belongs to the technical field of sewage treatment and particularly relates to a device which solves the problems that a sewage treatment device is high in energy consumption, high in price and prone to secondary pollution by using a modified photocatalyst responsive to ultraviolet visible light and taking sunlight as a light source to drive reactions to degrade pollutants. The device mainly comprises reaction tanks, hollow pipes, air ejecting pipes, an air pump, a transparent stair-shaped photocatalytic reaction chute, circular arc baffles, a water conveying pipe, a water pump, a water collecting pool and a solar cell panel. The reaction tanks are used for providing sites for homogenizing and processing sewage, the hollow pipes are used for carrying ultraviolet visible light modulator tubes, the air ejecting pipes and the air pump are used for aerating the reaction tanks, the transparent stair-shaped photocatalytic reaction chute is used for providing a photocatalytic degradation site, the circular arc baffles are used for homogenizing and slowing down a sewage solution, the water conveying pipe and the water pump are used for conveying the sewage in the water collecting pool into the reaction tanks, the water collecting pool is used for collecting degraded sewage, and the solar cell panel is used for storing electric energy. The sunlight is mainly used, and the device has the advantages of being clean, efficient, free of secondary pollution, controllable in reaction atmosphere, high in light source utilization rate and the like.

The invention discloses a method and a device for restoring ecology, and belongs to the technical field of water eutrophication treatment. In the method for restoring the ecology, water restoration is performed by biological carriers and in an aeration mode; the biological carriers suspend in the water with different depths and the biological carriers of each layer of depth are arranged uniformly and fixed; the biological carriers have the high specific surface area and the high porosity, provide a good ecological environment for the growth and the propagation of organisms, and also provide enough dissolved oxygen for the biological oxidation through the aeration; in the aeration mode, a rotatable aerator which is complementarily powered by wind energy and electric energy is adopted to increase the aeration area, so that the water restoration effect is improved. An organism system which is attached on the biological carriers decomposes an organic matter in the water through metabolism per se; an aeration pipe and the aerator aerate and rotate at the same time, so that the water aeration area is increased greatly; and the method and the device have the advantages of environmental protection and the like.

The invention discloses a preparation method of a biochar-immobilized naphthalene-degrading microbial agent. The method comprises the steps: weighing biomass raw materials and water, performing mixing, performing heating for a reaction, performing cooling to room temperature after completion of the reaction, performing solid-liquid separation, cleaning the solid product, performing freeze drying,performing grinding so as to obtain biochar, mixing a naphthalene-degrading strain with the obtained biochar in a LB liquid culture medium, putting the obtained mixture in a constant-temperature shaker, performing shaking culture so as to obtain a uniform mixed microbial solution, mixing the mixed microbial solution with a sodium alginate solution, performing magnetic and even stirring so as to obtain a sodium alginate-containing mixed microbial solution, adding the sodium alginate-containing mixed microbial solution dropwise to a calcium chloride solution, putting the mixture in a refrigerator, and performing still standing for a cross-linking reaction so as to obtain the biochar-immobilized naphthalene-degrading microbial agent. The prepared biochar-immobilized naphthalene-degrading microbial agent has an obvious remediation effect on soil which is contaminated by polycyclic aromatic hydrocarbon, and the method has mild reactions, low cost and no secondary pollution, and has broad engineering application prospects.

The invention discloses a wrinkle-relieving eye cream containing traditional Chinese medicine components as well as a preparation method and application thereof. The wrinkle-relieving eye cream is prepared from the following raw materials in parts by weight: 50-60 parts of water, 2.0-4.0 parts of glycerol, 0.5-0.8 part of methyl glucoside eicoepoxyethane, 0.2-0.6 part of stearic acid, 0.1-0.3 part of cyclopentasiloxane, 0.02-0.04 part of hyaluronic acid, 0.3-0.8 part of isomerized sugar, 0.02-0.05 part of rose essential oil, 0.05-0.1 part of radix astragali extractive, 0.05-0.1 part of eleutherococcus extractive, 0.05-0.1 part of rhodiola rosea extractive, 0.05-0.1 part of fiveleaf gynostemma herb extractive and 0.05-0.1 part of radix lithospermi extractive. The wrinkle-relieving eye cream is refreshing, smooth, mild and irritation-free, and is capable of retaining moisture of eye skin for a long time, accelerating eye blood circulation and effectively reducing eye fine wrinkles; the main additives of the wrinkle-relieving eye cream are natural plants, so that the wrinkle-relieving eye cream is green, safe and environmental-friendly.