151results about How to "Reduce water retention" patented technology

The invention relates to the technical field of concrete, and particularly relates to neutron irradiation preventing low-hydration-heat barite concrete. The neutron irradiation preventing low-hydration-heat barite concrete comprises the following components in content: 163.8-168kg / m<3> of water, 200-280kg / m<3> of cement, 90-140kg / m<3> of slag powder, 9.5-10.5kg / m<3> of boron glass powder, 850-900kg / m<3>of iron ore sand, 340-360kg / m<3> of iron sand, 1558-1600kg / m<3> of barite, 300-330kg / m<3> of barite sand, 0.85-0.95kg / m<3> of polypropylene fiber and 4% to 7% of a polycarboxylate-type water reducing agent. The neutron irradiation preventing low-hydration-heat barite concrete disclosed by the invention is larger than 3600kg / m<3> in apparent density, larger than 110kg / m<3> in retained crystal water and good in neutron irradiation prevention effect; when being applied to a large-size concrete structure of which the minimum geometric dimension is larger than 1.2m, the neutron irradiation preventing low-hydration-heat barite concrete is low in hydration heat, the internal and external temperature difference is smaller than or equal to 20 DEG C, the adiabatic temperature rise is smaller than or equal to 55 DEG C, and the neutron irradiation preventing low-hydration-heat barite concrete is applicable to a large-size radiation-proof structure. The concrete can reach relatively high requirements in aspects such as retained crystal water, fluidity, cohesiveness and water retention property and has the advantages of guaranteeing the strength and the compactness and controlling the hydration heat.

The invention relates to a preparation method for a fire preventing and extinguishing colloid material for coal mines. According to the method, crylic acid and acrylamide serve as water absorption monomers, bentonite and kaolin serve as a filling agent or an enhancer, N,N'-methylene bisacrylamide serves as a cross-linking agent, and potassium peroxodisulfate serves as an initiator; an aqueous solution polymerization method is adopted for preparing bentonite / kaolin / crylic acid-acrylamide plural gel. The bentonite / kaolin / crylic acid-acrylamide plural gel prepared through the method is low in cost, resistant to high temperature and resistant to salt and alkali, and the fire preventing and extinguishing efficiency of the colloid material is greatly improved; the colloid material, loess, coal ash, water and the like are mixed and stirred to prepare coal mine fire preventing and extinguishing slurry; and the slurry material is high in water absorption capability, good in fire extinguishing effect and particularly suitable for fire preventing and extinguishing of the coal mines.

The invention belongs to the technical field of steam ovens, and particularly relates to an embedded steaming and baking all-in-one machine, which comprises a machine body installed in a wall in an embedded mode; a door plate hinged to the machine body; an inner container arranged in the machine body, wherein a cavity for heating food is formed in the inner container; a heating pipe assembly usedfor heating food in the cavity; a switch board arranged on the machine body and is provided with a touch screen; a water tank assembly arranged above the inner container and used for providing water required by the machine; a boiler system installed on the rear side of the inner container and used for converting water in the water tank assembly into steam to be provided for the inner container toheat food; and a heat dissipation and exhaust system arranged above the inner container and is used for carrying out heat dissipation and exhaust on the machine body. The size of the exhaust hole canbe adjusted by controlling the degree of covering the exhaust hole by an adjusting plate, so that steam in the machine body is exhausted by controlling the exhaust amount, the formation of condensatewater can be reduced, and the food processing effect can be guaranteed.

The invention discloses a method for identifying unfrozen meat and fresh meat based on an impedance spectrum. The method comprises the following steps of: 1, generating a plurality of continuous sine wave signals with different frequencies and mean amplitude of zero and loading the sine wave signals on a raw meat sample; 2, including the raw meat sample and a resistor R1 with fixed nominal value on a branch circuit through which the sine wave signals flow, and detecting voltage division values of impedance and the resistor R1; 3, converting the ratio of the voltage division values into a voltage form and then into a digital signal, calculating the impedance of each frequency fi according to the resistor R1 and the digital signal, and representing the change of the impedance along with thefrequency fi as a curve to obtain the impedance spectrum; 4, detecting phase difference between a plurality of sine wave signals generated in the step 1 and the signal passing through the raw meat sample to be measured, converting the phase difference into voltage output and then into a digital signal, and representing the change of the phase difference along with the frequency fi as a curve to obtain phase spectrum; and 5, identifying the unfrozen meat according to the impedance spectrum and a phase spectrum export parameter. By the method, the unfrozen meat and the fresh meat can be completely and objectively identified.

The invention discloses a production method of high wet modulus bamboo pulp viscose glue fiber, which adopts the steps of dipping, squeezing, smashing, maturing, yellowing, spinning, drawing, refining, drying and the like to prepare high wet modulus bamboo pulp viscose glue fiber. The high wet modulus bamboo pulp viscose glue fiber prepared with the method of the invention has dry breaking strength of 3.2-3.8 CN / dtex, wet breaking strength of 2.0-2.4 CN / dtex and wet modulus of 0.60-0.65 CN / dtex, has the characteristics of high humidity modulus, better purity, favourable affinity for dyestuff, non-fibrillation, non-fibrillar structure and the like, reduces expansion, reduces water retention capacity and improves alkali stability. Prepared fabric has silky luster and draping property, is extremely soft, has excellent dyeability and vivid luster and can keep bright and colorful after being cleaned several times.

An antibacterial rockwool growth medium for hydroponics is used for hydroponic growth of rice, flowers and ornamental plants, fruitage, etc. The medium includes a rockwool base used as a culture medium for hydroponics, and an inorganic antibacterial agent is dispersed substantially uniformly onto an overall surface of the rockwool base or a part of the surface of the rockwool base.

The invention provides a cement concrete admixture prepared from silica slag containing acidic zirconium and a preparation method thereof and belongs to the field of building materials. The cement concrete admixture can be applied to cement products or cement concrete. The cement concrete admixture provided by the invention comprises the following components in percentage by weight: 80-90% of silica slag containing acidic zirconium, 5-10% of coal ash, 4-9% of an activator and 1-2% of a grinding aid. According to the invention, the activity of the acidic zirconium-containing silica slag is increased by roasting the zirconium-containing silica slag and adding the activator so that the performance of the admixture is increased. The replacement amount of cement of the admixture is between 10-30%, and the admixture can be used as the replacer of high-quality mineral admixtures such as slag and silica fume, so that the cost of building materials is reduced; and meanwhile, the silica slag containing acidic zirconium is effectively utilized and the problem of environmental pollution caused by the stack of the slag is solved.

The invention relates to the field of greening, in particular to a plant growth basal disc. The multifunctional organic plant basal disc is a cultivation basal disc with bearing strength and permeable pores which is formed by point combination of fine agricultural waste pieces; according to the volume-to-weight ratio of the cultivation basal disc, the weight is 2.18kg-2.79kg when the volume is W500mm*L330mm*H50mm; and plant seeds are distributed in the basal disc to form a seed layer which is placed at a position 1-2cm on the basal disc. Recycled environmentally-friend artificial soil coming from the nature and returning to the nature is used as the material of the basal disc; agricultural products serving as raw materials also can be regenerated into natural resources and are inexhaustible natural resources. Agricultural wastes and the like in a culture medium are laid on badland or desert to realize lamination so that the badland or desert is greened, weathering of soil and the formation of leaf mold can be promoted, and the early soil improvement of the badland or desert can be realized; therefore, conditions are created for improving environment problems of the earth.

The invention provides a processing method for a semi-dried fermented beef ham, relating to the processing field of hams. The processing method comprises the following steps: removing fascias and visible fat of beef and cutting the beef into blocks; freezing the prepared meat blocks and thawing; repeatedly carrying out a freezing and thawing process for three times; storing for later treatment; extruding and forming the obtained meat blocks and putting the meat blocks into a saturated table salt solution; fishing out and leaching water; mixing a pickling solution and a bacterium solution and injecting the mixed solution into the meat blocks; fermenting the meat blocks and stopping fermenting when the pH (Potential of Hydrogen) is 4-6; drying; and smudging the prepared meat blocks into purplish red, and refrigerating to prepare a finished product. The processing method utilizes a repeated freezing and thawing, and extruding treatment technology to treat block-shaped beef raw materials to break muscle fibers and crack cell structures, so that firstly, injected fermentation strains can be uniformly distributed in the meat block; secondly, the water-retaining property of the meat blocks is reduced and the water in a fermentation and drying process is accelerated to be evaporated. Therefore, the quality of a produced product is uniform, the fermentation time and the drying time are saved, the production period is shortened and the cost is saved.

The invention relates to plant cultivation. A plant cultivation substrate is made into a whole by wooden fragments, a soil conditioner and a nutrient particle body. Compared with the like products, the cultivation substrate has the advantages of light self mass, high courage performance and high moister retention: the invention has the best sealing environment to the plant, and does not need the technology experience of the specialists, therefore, the invention not only can realize the greening of roofs, etc., save labor force, and reduce cost, but also is in fixed base type, and can effectively avoid sealing lost and dispersion caused by heavy rain and strong wind.

The invention discloses a dehumidifier. The dehumidifier comprises a base, a water tank, an adapter assembly and a water pumping assembly, wherein the base is provided with a containing cavity; the water tank is arranged in the containing cavity; the adapter assembly comprises an upper connector and a lower connector which are connected in a sleeve mode, the lower connector is arranged in the water tank, and the upper connector is arranged on the top wall of the containing cavity; and the water pumping assembly is arranged on the outer side wall of the containing cavity, and the water pumpingassembly communicates with the upper connector to discharge liquid in the water tank after the liquid sequentially passes through the upper connector and the lower connector. According to the technical scheme, a drainage structure of the dehumidifier can be disassembled conveniently.

A biofilter media has one or more of a set of desired physical characteristics. The set of physical characteristics includes a sphericity of 0.75 to 1, a particle size of 1 to 16 or 4 to 8 mm, a uniformity coefficient of 2 or less and a surface area of 800 to 2000 m2 / m3 of media. The media is coated, supports microorganisms and is used to treat a waste gas stream.

The invention discloses a special aqueous adhesive for the ceramic diaphragm of a lithium battery, and a preparation method and an application thereof. The adhesive is a solution formed by dissolvinga water-soluble raw material in water and performing polymerization, the pH value of the solution is controlled to 4.0-8.0 by using a neutralizing agent, and the water-soluble raw material and water of the adhesive comprise, by weight, 150-300 parts of a water-soluble unsaturated polycarboxylic acid, 100-250 parts of a water-soluble unsaturated carboxylate, 1-20 parts of a crosslinking monomer, 0-10 parts of a crosslinking agent, 0.5-5 parts of an initiator and 500-2000 parts of water. The adhesive has outstanding indicators and excellent performances. A thermodynamically stable solution system is selected to replace a thermodynamically unstable emulsion system in the prior art, so the preparation process of the adhesive and the stability of the obtained product are effectively improved, the feeding and producing processes are effectively simplified, the stability of the product is high, the storage conditions of the product have no special requirements, and the production, storage andtransportation cost is reduced.

An insulating member is disposed between the top of a wall and the underside of a roof to more effectively insulate the structure and prevent condensation fostering growth of mold and mildew occurring along the surfaces of the wall, ceiling and roof. A first surface of the insulating member overlies the top plate of the wall extending inward between the ceiling joists a distance of at least 1.5 feet. A second surface overlies the outside surface of the wall extending downward along the exterior of the wall a distance of at least 0.5 feet. A third surface is shaped to substantially conform to the opposing underside of the roof deck such that the space between the roof deck and the wall top plate is sealed off by the insulating member. Multiple air flow pathways extend through the insulating member providing continuous air flow from soffit area into the attic space.

The invention discloses polymer cement-based modified mortar. The polymer cement-based modified mortar comprises the following raw materials in parts by mass: 200 to 350 parts of fine sand, 80 to 140parts of cement, 20 to 30 parts of ceramic powder, 15 to 25 parts of clay, 10 to 30 parts of rubber powder, 5 to 15 parts of diatomite, 5 to 15 parts of graphite powder, 8 to 20 parts of polymer emulsion, 5 to 10 parts of basalt fiber, 3 to 8 parts of polyacrylonitrile fiber, 2 to 5 parts of a water-reducing agent, 1 to 3 parts of a defoaming agent, 2 to 5 parts of a coupling agent and 50 to 150 parts of water. The polymer cement-based modified mortar has advantages of high structural strength, high waterproofness, high toughness, high bending strength, high volume stability, high durability,high freezing resistance, high early strength and good use effect, and is not liable to crack.

This invention relates to the field of paper coating, more in particular to means and methods for providing paper with at least one layer of pigment using film coating to obtain a well printable surface. Provided is a method for preparing coated paper comprising the steps of: a) providing a pigmented wet coating formulation comprising water, 2-20 parts of a binder and 100 parts of pigment, wherein at least 50% of the binder is highly branched starch (HBS) characterized by a molecular weight of between 0.5* 105 and 1*106 Daltons and having a molecular branching degree of at least 8% and which is obtained by treatment of gelatinized starch or starch derivative with a glycogen branching enzyme (EC 2.4.1.18); and wherein at least 70% of the pigment is calcium carbonate; and b) applying the pigmented wet coating formulation to paper by film coating and drying the coated paper.

The invention belongs to the technical field of air-conditioning cooling and heating machines, in particular to an air source cooling and heating machine. The air source cooling and heating machine comprises an outdoor heat exchanger 5; wherein the outdoor heat exchanger 5 adopts an annular structure; a baffle 34 is arranged at the annular notch portion of the outdoor heat exchanger; a lining fiber 7 is arranged on the lower part of a cavity of the outdoor heat exchanger 5, and a compressor 8, a reversing valve 6 and a throttling part 9 are wrapped by the lining fiber 7; an outdoor exhaust fan18 is arranged on the upper part of the outdoor heat exchanger 5; and a solar heat absorbing coating is arranged on the outdoor heat exchanger 5. The air source cooling and heating machine has a large heat dissipating surface area per unit volume, can receive the heat of sunlight without frosting during work, and has high work efficiency and low noise, indoor air dehumidification water is used for condensation and heat dissipation in summer, defrosting water is used for indoor humidification in winter, the functions of waste heat for heating water, exchanging of fresh air and automatic cleaning are achieved, and the air source cooling and heating machine is suitable for carbon dioxide circulation

The present invention particularly relates to a method for preparing sludge ceramsite by regenerating pottery sand. The method comprises: pre-heating pottery sand by using tail gas prepared by using ceramsite to achieve a temperature of 60-80 DEG C, adding a uniformly-pre-mixed mixture comprising wet sludge, ceramsite calcining fly ash, ferrous polysilicate, high aluminum cement and a polycarboxylate water reducer according to a corresponding mass ratio, uniformly stirring again, standing for 5-10 min, carrying out plate-type pressure filtration, controlling the moisture content of 15-25%, granulating through a granulator, drying for 9-15 min at a temperature of 100-110 DEG C, pre-firing at a temperature of 500-600 DEG C, and carrying out rapid firing to a temperature of 1200-1250 DEG C. According to the present invention, the method has advantages of high sludge utilization rate, short preparation time, low secondary pollution, and the like.

The invention discloses a siloxane-modified phenolic resin for a hot melt preimpregnation technology and a preparation method of the siloxane-modified phenolic resin for the hot melt preimpregnation technology. The siloxane-modified phenolic resin for the hot melt preimpregnation technology is prepared from, by mass, 50-100 parts of phenolic resin, 1-10 parts of toughening agent and 1-20 parts of siloxane. The siloxane-modified phenolic resin for the hot melt preimpregnation technology has the advantages that release moisture is little when the resin is cured, micropore forming can be reduced, flexibility, impact resistance and interlaminar shear strength of phenolic resin cured materials are improved effectively, and the siloxane-modified phenolic resin is higher than traditional RF (phenolic resin) in heat resistance.

The invention discloses a preparation method of a wet type moisturizing and dust-suppressing agent and belongs to the technical field of environmental protection. The preparation method disclosed by the invention has the beneficial effects that due to existence of double electric layers in modified zeolite powder, alpha-1, 4 glucosidic bond is hydrolyzed from the inner parts of starch molecules ina random mode by utilizing endonuclease of alpha-starch amylase, and soybean isolate protein contains more polar groups along the own peptide chain skeleton, so that wetting and absorption for dust in the air are improved; due to addition of ox bile, the wettability of the dust-suppressing agent can be improved, the surface tension of water can be reduced, the water can be prevented from condensing into droplets and the volatilization rate can be reduced; since oxidized dextrin swells after absorbing water, the filling capacity is also increased, and in addition, due to water-absorbing groupssuch as hydroxyl groups and the like exposed in the oxidized dextrin, the action force of the formed hydrogen bonds is stronger; calcium chloride doped in the oxidized dextrin can permeate into a spatial network structure of an oxidized-dextrin grafting product, and after the dust-suppressing agent falls to the ground, the calcium chloride absorbs carbon dioxide to form hard calcium carbonate, sothat diffusion of the dust can be controlled and the application prospect is wide.

The invention relates to a cigarette capsule for packaging water. The cigarette capsule is formed by hydrogel beads and a hydrophobic packaging layer covering the outer side of the hydrogel beads, thehydrophobic packaging layer is a composition of a long-chain lipid material and a reinforcing material, and a melting point is 50-110 DEG C, wherein the reinforcing material is one or more of compounds selected from the following groups: polycaprolactone, ethylene and an acrylic copolymer. Compared with a current cigarette capsule, the beneficial effect of the cigarette capsule is as follows: (1)the provided cigarette capsule for packaging the water can be suitable for extensive water-soluble and alcohol-soluble essence and flavor, and cigarette explosion beads are endowed with other functions, such as improving moisture feeling, reducing dry and stimulated feeling, and reducing a release amount of smoke harmful ingredients; (2) hydrogel is introduced to a cigarette capsule structure, sothe cigarette capsule for packaging the water provided by the invention has the strong maintaining ability to the water, and is capable of improving the water retaining capacity; and (3) polycaprolactone, ethylene, the acrylic copolymer and the like in the hydrophobic packaging layer are capable of improving the strength of waxiness, and improving the machinability resistance of the explosion beads.

The invention relates to expanded perlite fine powder-polymer latex powder composite modified dry mortar, which comprises the following components in percentage by weight: 2.5 to 4.5 percent of composite dry mortar admixture, 23.1 to 23.6 percent of cement, 69.4 to 70.9 percent of river sand, 0.7 to 1.4 percent of cellulose ether, 0.5 to 0.8 percent of acrylic staple fiber, and 0.5 to 0.8 percent of wood fiber. The pressing-breaking ratio of the dry mortar is less than 3, the compressive strength is over 8.8MPa, and the cost of the dry mortar is lowest and only 1 / 3 of polymer latex powder admixture; and the composite dry mortar admixture has remarkable water holding effect, and increases the stretching adhesive strength of the water soaked mortar besides the effect of optimizing mortar construction and accessibility.

The invention relates to anti-cracking gypsum-based plastering mortar. Raw materials comprise, by mass, 100 parts of building gypsum, 35 to 45 parts of water, 0.1 to 0.3 part of polypropylene fibers,0.1 to 0.3 part of glass fibers, 0.2 to 0.6 part of a silane coupling agent, 0.2 to 0.6 part of an adhesive, 0.2 to 0.6 part of a water retaining agent, 0.2 to 0.6 part of a water reducing agent and 0.2 to 0.6 part of a retarder. According to the gypsum-based plastering mortar disclosed by the invention, the advantages of the polypropylene fibers and the glass fibers are fully exerted to complement each other, and the fibers with different elasticity moduli have an excellent synergistic effect; the auxiliary agents are added to improve the dispersity of the fibers, thereby enhancing the fiberbridging action in the stress state, further enhancing the toughening and crack arresting effects of the matrix, enhancing the fracture deformation and reducing the relative cracking index.

A wall (or roof) system includes: an exterior sheathing covers a frame, a plurality of spaced apart battens are affixed on the sheathing, and a siding in contact with the battens. Each batten includes: a backweb having two sides and a length, a plurality of elongated piers upstanding on each side of the backweb, each pier running the length of the backweb, and each pier having a distal surface, and a first air flow channel defined between adjacent piers and a horizontal pier cutting through adjacent piers. Air flows between airspaces created between the exterior sheathing and the siding by the batten. Air also flows through the first air flow channel and this air flow may reduce moisture entrapment between the batten and the siding or the exterior sheathing. The batten may also have a second air flow channel at an angle to the first air flow channel.

The invention discloses a preparation method of a premixed auxiliary material for a dispersible tablet. The method comprises the following steps of: dispersing cross-linked polyvidone and silicon dioxide into 75 percent ethanol by taking microcrystalline cellulose as a mother nucleus, and spraying onto the microcrystalline cellulose; and spraying and drying simultaneously to obtain the premixed auxiliary material suitable for the dispersible tablet. The method has the technical effects that: the premixed auxiliary material for the dispersible tablet is spherulite-shaped, and the angle of repose is smaller than 30 degrees, so that the premixed auxiliary material is extremely easy to mix uniformly with a raw material of the dispersible table, the mixing time is reduced, and dust in a production process is greatly reduced; and moreover, the cross-linked polyvidone is embedded into microcrystalline cellulose, and the hygroscopic property of the cross-linked polyvidone is lowered according to the water-retaining property of the microcrystalline cellulose, so that the humidity requirement of a production environment is greatly lowered, and the preparation of a dispersible table with superior quality is facilitated.

The invention relates to a barrenness mountainous region Chinese chestnut plantation method comprising the following steps: digging colonization pits with relatively big density in the hillside one year in advance; filling the colonization pits with turf soil, leaves from the hillside and night soil; mixing in slaked lime if the soil is acidic, mixing in ferrous sulphate if the soil is slightly alkaline, and the slaked lime and ferrous sulphate can keep the soil PH value to be 5-6; using overlay film fermentation to enable the soil in the colonization pit to be rich in sapling growth nutrition; applying phosphorus-containing fertilizer in sapling plantation; slightly lifting the sapling, so the root can fully contact with the fill soil, and the fill soil is higher than the ground so as to reserve water. The fill soil covers the ground so as to reduce ground temperature, and can be deeply plowed into the soil after rotting; two times of foliar fertilizer and additional fertilizer can greatly improve sapling survival rate; an insecticidal lamp around the sapling can control insects so as to greatly reduce pesticide quantity; tests show that the survival rate can be above 98%, and average mu yield in 6 years can improve by 10%.

The invention discloses environment-friendly plastering dry-mixed mortar and a preparation method thereof, and belongs to the technical field of building materials. The environment-friendly plasteringdry-mixed mortar is mainly prepared from the following raw materials in parts by weight: 95-110 parts of cement, 650-670 parts of machine-made sand, 175-180 parts of dried sand, 20-30 parts of stonepowder, 40-50 parts of fly ash, 8-12 parts of desulfurized gypsum, 15-20 parts of lime, 2-5 parts of latex powder and 0.35-0.8 part of a water reducing agent. The environment-friendly plastering dry-mixed mortar has the advantages that the proportions of various raw materials are reasonably set, the mechanical property of the dry-mixed mortar is fully guaranteed, the water-retaining property of the dry-mixed mortar is not reduced, the use amount of additives is also greatly reduced, and the environmental friendliness of the plastering dry-mixed mortar is improved.

The invention discloses a cap fungus efficient culture medium using folium cortex eucommiae for inhibiting sundry fungi and preventing hardening. The cap fungus efficient culture medium comprises the following ingredients in parts by weight: grapevine, mulberry residues, chestnut shells, bamboo shoot shells, caulis polygoni multiflori, gulfweed, coconut meals, Japanese banana roots, lotus seed shells, mulberry branch powder, hydrolyzed feather meal, folium cortex eucommiae, tea tree branch powder, dyhydroxybenzene cottonseed protein, dry cow dropping, phosphatidylchline, spirulina dry powder, xylooligosaccharide, fulvic acid, basic zinc sulfate, floatstone, carbon nano tubes and licopin. The cap fungus efficient culture medium has the advantages that the biomass charcoal and the floatstone are adopted, so that the hardening performance and the water retaining performance of the culture medium are reduced; the carbon nano tube loaded licopin and enzyme activity substance zinc are used, so that the absorption and the utilization of cap fungus cells on the elements are prompted; puffing powder pulverized powder, composite powder and the like are used, and rich nutrition is provided for the cap fungi; the folium cortex eucommiae is used, so that the effects of inhibiting sundry fungi and ensuring the Insect damage and pest damage prevention of the cap fungi are achieved. The cap fungi cultured by the culture medium provided by the invention has the characteristics of good color, good taste, good mouthfeel and the like.

The invention relates to the technical field of lamps, and specifically discloses a wall washing lamp. The lamp comprises a lamp body; the lamp body is a strip-shaped lamp body with the U-shaped ends;light-transmitting glass is arranged at the upper portion of the lamp body; a light source assembly is arranged in the lamp body; the two ends of the lamp body are connected with end covers; the lampbody in the U shape is an integrally formed aluminum profile; the light source assembly in the lamp body is connected with an external junction box through a pin type terminal; a waterproof structureis arranged at the upper portion of the light-transmitting glass; and the end covers at the two ends are of tapping hole-free screw connecting structures. The whole structure is simple and practical,the product production cost is reduced, and the assembly processes can be greatly reduced; and due to the structure, an assembly method is simple, the assembly efficiency is improved, and disassemblyis facilitated.

The invention relates to the field of afforestation, in particular to a plant growing base plate. The multifunctional organic cultivation base plate mainly comprises agricultural waste fritters, urea resin and water, wherein the agricultural waste fritters form the cultivation base plate with bearing strength and through porosity by point junction; and the ratio of volume to weight lies in that the weight is 2.18-2.79kg when the volume is W500mm*L330mm*H50mm. The raw materials of the base plate disclosed by the invention are taken from soil and returned to the soil and are artificial soil which is taken from nature and returned to nature and is circular and friendly to the environment; and agricultural products as the raw materials can also be regenerated to form forever-inexhaustible natural resources. Agricultural waste and the like are paved in a cultivation medium on a death zone or desert region for laminating, so that the death zone or desert region is afforested; in addition, efflorescence of a soil horizon and the soil desiccation of rotted leaves can be promoted; the early-stage soil improvement of the desert region and the dead zone can be realized; and the multifunctional organic cultivation base plate provides conditions for improving the earth environment.