33results about How to "Play a role in expansion" patented technology

The invention provides a reef body suitable for marine algae and fishes. The reef body comprises a floating base and a spherical sinking base. The outer portion of the floating base is provided with a floating ball; the floating base is internally provided with an upper cavity and a lower cavity which are isolated from each other; the upper cavity of the floating base is internally provided with a winding reel used for winding ropes; a plurality of extension bases arranged in parallel in the vertical direction are arranged under the floating base; a disengagement mechanism enabling the extension bases to be disengaged from the floating base on by one is arranged between the floating base and the extension bases; each of the sinking base and the extension bases is provided with a plurality of alga cultivation bricks; the sinking base is connected with the floating base through a rope; the rope penetrates through the middle portion of each extension base; the sinking base is provided with an inner cavity leading to the outside; the bottom of the inside of each extension base is provided with an extension frame capable of rotating upward. The reef body suitable for marine algae and fishes is reasonable in structure, is multifunctional, and is capable of providing food for fishes and achieving a good protection effect.

The invention relates to alcohol ether borate brake fluid. The alcohol ether borate brake fluid is prepared from the following raw materials in percentage by weight: 20-50% of triethylene glycol monomethyl ether borate, 10-45% of polyglycol monobutyl ether borate with the number-average molecular weight being 780, 10-40% of polyglycol monoether, 10-40% of multiethylene-glycol, 0-15% of triethylene glycol dimethyl ether, 0-3% of an antioxidant, 0-5% of a pH value adjusting agent, and 0-5% of a corrosion resister. According to the alcohol ether borate brake fluid disclosed by the invention, the problem that conventional alcohol ether borate brake fluid is unstable is solved, and the alcohol ether borate brake fluid has the following advantages of being high in resistance for air resistance, good in low-temperature fluidity, rustproof, anti-corrosion, good in adaptability to rubber parts and excellent in heat stability.

The invention discloses a multifunctional floatable and submergeable reef which comprises a floating substrate and a sinking substrate. A ball float is arranged outside the floating substrate. The floating substrate is internally provided with an upper chamber and a lower chamber which are isolated from each other. The upper chamber of the floating substrate is internally provided with a reel for winding a rope. A plurality of expanding bases which are parallelly arranged in the vertical direction are arranged below the folating substrate. A disengaging mechanism for realizing separation between the expanding bases and the floating substrate in a one-by-one manner is arranged between the floating substrate and the expanding bases. A plurality of alga culturing bricks are arranged above the sinking substrate. The sinking substrate is connected with the floating substrate through a rope. The rope penetrates through the middle part of each expanding base. The sinking substrate comprises an upper board and a lower board. A plurality of supporting rods are fixed between the upper board and the lower board. The invention aims to provide the multifunctional floatable and submergeable reef which has advantages of realizing reasonable structure and multiple functions, providing food for fish swarms and realizing a good protecting effect.

The invention relates to the technical field of soil remediation, in particular to a heavy metal contaminated soil remediation material, a preparation method thereof and a heavy metal contaminated soil remediation method. The heavy metal contaminated soil remediation material comprises a) a allosteric extension component and a passivation component in a weight ratio of (1: 10)-(10: 1), and b) a long-acting promotion component accounting for 0.1-5% of the mass of the component a), the allosteric extension component is selected from at least one of light calcined magnesite powder, hydrotalcite, sepiolite and attapulgite, and is anhydrous; the passivation component is selected from at least one of iron powder, magnetite and pyrolusite, and the surface of the passivation component is coated with phenolic substances containing plant sources; the long-acting promotion component is selected from at least one of blast furnace slag, steel slag and red mud. The material has good long-acting passivation efficiency. The invention further provides the preparation method of the remediation material and the heavy metal contaminated soil remediation method.

The invention relates to a calcium carbonate nano ink which is prepared from the following raw materials in parts by weight: 37-45 parts of pigment, 13-26 parts of CaCO3 with the average particle size of 100nm, 10-20 parts of maleic anhydride rosin, 21-29 parts of epoxy resin, 7-10 parts of acrylic resin, 3-7 parts of isopropanol and 1-2 parts of calcium stearate. The ink has the advantages of favorable stability, low pigment consumption, high covering power, full color, clear printed image and long service life, and is suitable for industrial production.

The invention discloses an intertidal zone floating reef which comprises a floating substrate and a sunk substrate. A ball float is arranged outside the floating substrate. The floating substrate is internally provided with an upper chamber and a lower chamber which are isolated from each other. The upper chamber of the floating substrate is internally provided with a reel for winding a rope. A plurality of expansion bases which are parallelly configured in the vertical direction are arranged below the floating substrate. A disengaging mechanism which realizes separation between the expansion bases and the floating substrate in a one-by-one manner is arranged between the floating substrate and the expansion bases. A plurality of alga culturing bricks are arranged above the sunk substrate. The sunk substrate is connected with the floating substrate through a rope. The rope penetrates through the middle part of each expansion base. The sunk substrate is provided with an inner chamber which is communicated with outside, and a plurality of water-penetrable layers which are communicated with the inner chamber. The invention aims to provide the intertidal zone floating reef which has advantages of reasonable structure and multiple functions, and furthermore the intertidal zone floating reef provides food for fish swarms and realizes an excellent protecting effect.

The invention discloses a marine crop cultivation assistance reef comprising a float base and a spherical sunk base. A float ball is arranged outside the float base. Isolated upper cavity and lower cavity are arranged in the float base. A rope reel used for winding a rope is arranged in the upper cavity of the float base. A plurality of expansion bases arranged in parallel in a vertical direction are arranged below the float base. Detachment mechanisms under the control of which the expansion bases can be detached from the float base one by one are arranged between the float base and the expansion bases. A plurality of seaweed cultivation bricks are arranged on the sunk base and the expansion bases. The sunk base and the float base are connected through the rope. The rope penetrates the middle parts of the expansion bases. The sunk base is provided with an inner cavity communicating with the outside and a plurality of water permeation layers positioned below the inner cavity and communicating with the inner cavity. Expansion racks capable of rotating upwards are arranged at the bottoms in the expansion bases. The marine crop cultivation assistance reef provided by the invention has a reasonable structure and multiple functions. With the assistance reed, a food source is provided for fish stocks, and a good protection effect is realized.

The invention provides a spherical extension floating and sinking fish reef. The spherical extension floating and sinking fish reef comprises a floating base and a spherical sinking base. The outer portion of the floating base is provided with a floating ball; the floating base is internally provided with an upper cavity and a lower cavity which are isolated from each other; the upper cavity of the floating base is internally provided with a winding reel used for winding ropes; a plurality of extension bases arranged in parallel in the vertical direction are arranged under the floating base; the adjacent extension bases are connected through ropes; a disengagement mechanism enabling the extension bases to be disengaged from the floating base on by one is arranged between the floating base and the extension bases; the upper portion of the sinking base is provided with a plurality of alga cultivation bricks; the sinking base is connected with the floating base through a rope; the rope penetrates through the middle portion of each extension base; the sinking base is provided with an inner cavity leading to the outside; the bottom of the inside of each extension base is provided with an extension frame capable of rotating upward. The spherical extension floating and sinking fish reef is reasonable in structure, is multifunctional, and is capable of providing food for fishes and achieving a good protection effect.

The invention discloses a concrete expansion agent prepared from magnesium slag. The concrete expansion agent contains, by weight, 70-95% of magnesium slag. The magnesium slag contains 40-50% of calcium oxide, 20-30% of silicon dioxide, 2-5% of aluminum oxide, 6-10% of magnesium oxide and 9% of ferric oxide. Correspondingly, the invention further provides a preparation method for preparing the concrete expansion agent from magnesium slag. The preparation method includes the steps that magnesium slag is ground, and then the ground magnesium slag and other mixtures are stirred evenly. The concrete expansion agent and the preparation method have the advantages that waste slag generated in industrial magnesium making serves as the main raw material of the concrete expansion agent, so that energy is saved, production cost is lowered, industrial waste slag is utilized and turned into wealth, a lot of land occupied by magnesium slag stacking is saved, and pollution caused by magnesium slag to the environment is reduced.

The invention provides a composite phase change material for diving suit, wherein the composite phase change material is prepared by the following steps: S1, adding microcrystalline cellulose into a sodium hydroxide urea aqueous solution to obtain a microcrystalline cellulose solution; S2, adding chitosan into an acetic acid aqueous solution, stirring, adding bentonite, and uniformly mixing to obtain a bentonite-chitosan solution; S3, mixing the microcrystalline cellulose solution with the bentonite chitosan solution, and stirring to obtain hydrogel; S4, freezing and drying the hydrogel to obtain aerogel powder; S5, removing residual sodium hydroxide and urea from the aerogel powder, and performing freeze drying to obtain bentonite-chitosan-microcrystalline cellulose aerogel; S6, soaking the bentonite-chitosan-microcrystalline cellulose aerogel into the melted n-decanoic acid in a vacuum environment to obtain a mixture; and S7, adsorbing excessive n-decanoic acid on the mixture onto filter paper. The invention also provides a preparation method of the composite phase change material. According to the composite phase change material provided by the invention, the phase change material is fixed in the aerogel, so that the composite phase change material has relatively good thermal stability.

The invention provides an unsaturated spiro orthocarbonate expanding monomer. The synthesis method of the unsaturated spiro orthocarbonate expanding monomer comprises the steps of (1) weighing 6, 8-dihydroxy-1-nonene, di-n-butyltin oxide and toluene, adding into a reaction container, stirring, and reacting at the temperature of 150+/-2 DEG C; (2) cooling the reaction liquid in the reaction container to room temperature, dropwise adding carbon disulfide into the reaction liquid, heating the reaction liquid to the temperature of 110+/-2 DEG C, and continuing the reaction; and (3) cooling the reaction liquid to room temperature, removing toluene in the reaction liquid, washing, recrystallizing, and drying in vacuum to obtain the unsaturated spiro orthocarbonate expansion monomer. The unsaturated spiro orthocarbonate expanding monomer can be used as an anti-curing shrinkage component of an organic silicon resin packaging material. The unsaturated spiro orthocarbonate expanding monomer synthesized by the invention not only can expand through ring-opening polymerization, but also can react with an alkene monomer, acrylic resin or vinyl hydrogen-containing silicon resin, so that the shrinkage rate of the resin can be reduced.

The invention discloses a capacity expansion backpack with a shoulder massage function. The capacity expansion backpack comprises a body, bonding sheets, fasteners and shoulder straps, a first auxiliary containing bag is sewn at the front upper end of the body, foldable protection fabrics are sewn on two inner sides of a second auxiliary containing bag, elastic ropes are sewn at the ends of the lower ends of the second auxiliary containing bag and the foldable protection fabrics, the bonding sheets and the fasteners are fixed on the front surface of the body and the rear surface of the secondauxiliary containing bag, a computer placing bag is fixed on the inner rear side of the body, and a first elastic clamping connection belt and a second elastic clamping connection belt are fixed on the surfaces of the rear sides of a first fixed part and a second fixed part. According to the capacity expansion backpack with the shoulder massage function, a breathable soft pad is designed, the shoulders and the rear neck of a user can be coated and can be massaged by electric vibrating massage beads in the breathable soft pad, and the use feeling of the backpack is greatly improved.

The invention discloses novel gold wire bonding equipment for an integrated circuit chip, which belongs to the technical field of electronic equipment and can play a role in clamping a chip product through the cooperation of a limiting plate and a top plate, so that the chip products of different types can be fixed, and the chip products can be prevented from being damaged. The chip product can be prevented from deviating and shaking due to mechanical vibration, as the service time is prolonged, when a limiting plate deviates due to mechanical vibration, a push plate is driven by the restoring force of a spring so that the push plate can continue to clamp the chip product, and through matched arrangement of an expansion top ball and a clamping tooth ring plate, the chip product can be clamped more stably. In addition, when the bolt is loosened due to mechanical vibration, the restoring force of the spring can be utilized to pull the trigger plate and trigger the alarm of the buzzer, so that a worker is prompted to take corresponding treatment, and the bonding stability of the chip product is improved.

The invention discloses a continental shelf mixed organism cultivation device. The continental shelf mixed organism cultivation device comprises a floating base and a spherical sunk base. The outside of the floating base is provided with floating balls, an upper cavity and a lower cavity which are separated are disposed in the floating base, a reel used for winding ropes is disposed in the upper cavity of the floating base, an plurality of expanding bases which are arranged in parallel in the vertical direction are disposed under the floating base, and releasing mechanisms used for controlling the expanding bases to releasing from the floating base one by one are disposed between the floating bases and the expanding bases. A plurality of alga cultivation bricks are disposed on the sunk base, the sunk base is connected with the floating base through ropes, the ropes penetrate through middle portions of all the expanding bases, an inner cavity communicating with the external environment is disposed in the sunk base. The invention aims to provide a continental shelf mixed organism cultivation device being reasonable in structure and various in function, capable of providing food for fish shoal and a good protective effect.