45results about How to "Not easy to harm" patented technology

The invention relates to a marble slab, in particular to an artificial simulated marble slab and a production method of the artificial simulated marble slab. The invention aims to overcome defects of natural marble and provide the simulated marble slab which has low price, is light, is easy to pave, has no harm and pollution and can replace the natural marble. The simulated marble slab comprises a substrate layer. A priming paint layer, a marble pattern layer and a finish layer are sequentially arranged on the positive face of the substrate layer from bottom to top. The invention also aims to provide a production method of the simulated marble slab, which comprises the following steps of: selecting a substrate; tailoring the selected substrate to a required size; tenoning on tailored substrate; coating priming paint on the positive surface of the substrate; spraying natural marble patterns on the surface coated with the priming paint of the substrate; and coating finish on the surface sprayed with the natural marble patterns of the substrate. The simulated marble slab provided by the invention can be widely applied in multiple industries such as building material, advertisement, furniture, decoration and the like.

The invention discloses an emulsion pump station. The emulsion pump station comprises a support and an emulsion preparation device, an emulsified oil tank, a transducer, an electronic control device, an emulsion storage device and an emulsion pump device which are arranged on the support, wherein the emulsified oil tank is used for providing emulsified oil; the emulsion preparation device is used for acquiring emulsified oil from the emulsified oil tank and mixing the emulsion with water to form the emulsion; the emulsion is provided for the emulsion storage device for storage by the emulsion preparation device; the emulsion pump device is used for pumping the emulsion form the emulsion storage device and supplying the emulsion to an external working zone; the transducer is used for providing power for the emulsion pump station; and the electronic control device is used for controlling and monitoring the emulsion pump station. The emulsion pump station disclosed by the embodiment of the invention is compact in structure and convenient for conveying; and the concentration of the emulsion in the emulsion preparation device can be automatically controlled, so that the ratio of the emulsion is accurate.

The invention discloses an isolated gate for traffic safety, and belongs to the field of traffic. The device comprises a plurality of isolation assemblies arranged side by side, each isolation assembly comprises a base, a first stand column, a second stand column, an upper cross beam, a lower cross beam and a buffer rod, and each isolation assembly further comprises a first baffle, a second baffle, a first fastening screw, and a second fastening screw, wherein an upper end of the first baffle is hinged to the first stand column; the lower end of the second baffle is hinged to the second standcolumn; one end of the first fastening screw is hinged to the lower end of the first baffle, and the other end of the first fastening screw is in threaded connection with the upper cross beam; and oneend of the second fastening screw is hinged to the upper end of the second baffle, and the other end of the second fastening screw is in threaded connection with the upper cross beam. According to the isolated gate for traffic safety, when the isolated gate is impacted, the first baffle and the second baffle can be turned over to form receding, the cross beam is prevented from directly bearing animpact force, the whole isolated gate can move along with a vehicle when being impacted, and therefore the vehicle or personnel are not prone to being harmed.

The invention discloses a dyeing and finishing process for reducing the strength reduction of PLA-PHBV, Tencel and cotton interwoven fabrics during dyeing. The dyeing and finishing process for reducing the strength reduction of PLA-PHBV, Tencel and cotton interwoven fabrics during dyeing comprises the following steps: step 1, performing enzyme treatment to obtain the fabric after enzyme treatment;step 2, performing pre-treatment to obtain the fabric after pre-treatment; step 3, performing disperse dyeing to obtain primary dyed fabric; step 4, reducing and cleaning to obtain the primary dyed fabric after cleaning; step 5, performing active dyeing to obtain the dyed fabric; step 6, performing water processing to obtain the clean fabric; and step 7, finalizing and finishing to obtain the finished fabric. The dyeing and finishing process disclosed by the invention can not only achieve good color fastness for PLA-PHBV, Tencel, and cotton interwoven fabrics, but also keep the PLA-PHBV fibers in the weft direction of the fabric in good strength; and the dyeing and finishing process disclosed by the invention has the advantage of improving the longitudinal strength to a certain extent.

The invention discloses kenaf bast thermal insulating cotton. The thermal insulating cotton is prepared by using the following steps of: soaking the kenaf bast which is taken as a raw material in an alkali liquor, carrying out mechanical solution and pulping treatment, and adding an adhesive, a flame retardant, a water-proof agent and a foaming agent into the slurry solution of the kenaf bast respectively for foaming to obtain a lightweight wall thermal insulating material the density of which is 0.01-0.09g/cm<3>. The kenaf bast thermal insulating cotton has quite low heat conductivity coefficient and quite high oxygen index, and therefore the thermal insulating cotton has good flame retardation. Compared with the existing lightweight thermal insulating material on the market (such as a glass wool board and a polyurethane foam board), the kenaf bast thermal insulating cotton has predominant advantages both in the aspects of environment friendliness and cost.

The invention relates to a preparation method of 2-amino-n-(2,2,2-trifluoroethyl)acetamide or a salt thereof, belonging to the field of medicinal chemistry. The preparation method comprises the following steps: carrying out a reaction on raw materials and amine or ammonium, and carrying out post-treatment to prepare 2-amino-n-(2,2,2-trifluoroethyl)acetamide or the salt thereof. According to the preparation method provided by the invention, an obtained product is low in impurity content, reaction conditions are mild, post-treatment is simple, energy consumption is low, cost can be reduced, and industrial implementation is facilitated.

The invention discloses a preparation method of a microbial preparation for treating mikania micrantha kunth, and belongs to the technical field of comprehensive prevention and control of invasive alien harmful species. According to the present invention, cow dung, biogas slurry and waste mushroom sticks are used as a bacterial source, peat is used as a nutrient, flora is expanded by fermentation, N-methyl-N-nitrosourea is used as an inducer, the juice of fresh mikania micrantha kunth stem is used as a screening nutrient, target mixed bacteria are obtained, the strain using the fresh mikania micrantha kunth stem as the nutrient is obtained through enrichment culture, microorganisms are adsorbed by using calcined vermiculite soaked with glucose as a carrier, and coating with sodium alginate is performed, such that the microbial preparation for treating mikania micrantha kunth is prepared; and the microorganism in the prepared microbial preparation uses the mikania micrantha kunth stem as the nutrient, such that the asexual reproduction and the seed production of the mikania micrantha kunth are cut, the treatment effect on mikania micrantha kunth is good, and the problems of slow effect, high cost, low prevention and control efficiency and easy harm on other plants of the chemical agent are effectively solved.

The invention relates to a pyrimethanil aqua, which comprises pyrimethanil, acid and water as preparation raw materials, wherein under the auxiliary action of the acid, the pyrimethanil can be dissolved in the water completely to obtain an aqua. Compared with the prior art, the pyrimethanil aqua uses the aqua to replace missible oil, wettable powder and suspending agent, and does not use an organic solvent and cause dust pollution so that pollutant stains are not remained on the surfaces of fruits and vegetables, and drug injuries are not easy to happen.

The invention discloses a novel low-smoke, halogen-free and non-toxic environment-friendly electric wire optical cable. The optical cable comprises a protective sleeve, conductor cores, vibration damping devices and a clamp, wherein the conductor cores are uniformly mounted on an inner wall of the protective sleeve; a low-smoke halogen-free flame-retardant filler is uniformly filled between an interior of the protective sleeve and outer surfaces of the conductor cores; the vibration damping devices are uniformly mounted on an outer surface of the protective sleeve; a shell is mounted on the other ends of the vibration damping devices; the shell is disposed in an annular shape; the clamp is mounted on an outer surface of the shell; a circular ring fixing block is mounted at top ends of twosides of the clamp; an internal thread is horizontally disposed at a bottom end of an intermediate position inside the circular ring fixing block; and a fastening bolt is horizontally mounted at an interior of the internal thread. The novel low-smoke, halogen-free and non-toxic environment-friendly electric wire optical cable enables the electric wire cable to emit less smoke when the cable is burned, the acid gas is less released, and the flame-retardant effect is good, and the electric wire optical cable is unlikely to directly harm the human body.

The invention relates to an injector for edible mushroom disinfestation and insect smoking particles and a preparation method thereof. The injector for edible mushroom disinfestation comprises a spray gun and a particle cylinder detachably connected with the spray gun, wherein the particle cylinder contains insect smoking particles; the insect smoking particle comprises an inner efficacy pill, a white phosphorus coating, an expanded coating and an outer coating sequentially arranged from inside to outside; the spray gun comprises an air cavity, a spray pipe and a connection part; the air cavity is communicated with one end of the spray pipe through a reducing part; an air blowing device is arranged in the air cavity and blows air toward the reducing part; a spiral rifling is arranged on the inner wall of the other end of the spray pipe; multiple raised points colliding with the insect smoking particles are arranged on the rifling path; the connection part is detachably connected with the particle cylinder, and a vibration device for vibrating the particle cylinder is arranged at the joint; and a heating layer of the expanded coating is arranged on the inner wall of the spray pipe.

The invention relates to application of total volatile oil of branches and leaves of Ledum palustre in controlling stored grain insects, and belongs to the technical field of biological pesticides. Amedicament for preventing and controlling the stored grain pests provided by the present invention belongs to a plant-derived insecticide, is easy to decompose, does not pollute the environment, and is safe to humans and animals; the active ingredient of the medicament is the total volatile oil from the branches and leaves of the Ledum palustre, and has a variety of action mechanisms against the insect pests. The resistance to the medicament of the insects is not easy to produce. The medicament can be used for a long period of time. The medicament loses activity after being used for deinsectization, may not accumulate in the insects, and protects the ecological environment. The preparation method of the medicament is simple and easy to implement, the range of raw materials is wide, cost islow, the medicament is suitable for large-scale production, and the medicament can be widely used for the prevention and control of the stored grain pests.

The invention discloses flame-retardant antique color mud paint and a preparation method thereof. The flame-retardant antique color mud paint is prepared from the following raw materials in parts by weight: 45 to 60 parts of nickel tailings powder, 5 to 20 parts of granite saw mud, 13 to 27 parts of a borate flame-retardant agent, 8 to 26 parts of pigment, 6 to 14 parts of diatomite, 3 to 9 partsof bentonite, 7 to 22 parts of quicklime, 8 to 19 parts of cement and 25 to 58 parts of water. By virtue of repeated test, the invention provides the flame-retardant antique color mud paint, the existing preparation method of the antique building paint is improved, the nickel tailings with good wear resistance and high hardness are converted into treasure, the diatomite with a porous structure isadopted to absorb the environment-friendly borate flame-retardant agent, the granite saw mud and the calcium hydroxide generate chemical reaction to generate a compound with water hard gel performance, and the flame-retardant and weather-resistant environment-friendly flame-retardant antique color mud paint is prepared.

The invention discloses a podocarpus macrophyllus seedling cultivation method. The method comprises the following steps: S1, selecting to perform in spring or autumn; s2, collecting cutting slips, selecting and collecting semi-lignified lateral branches which grow robustly and germinate in the current year or are biennial, and disinfecting the lateral branches for later use; s3, branch treatment: quickly dipping the podocarpus macrophyllus lateral branches collected in S2 with a rooting agent solution for 5-10 seconds; s4, cutting of the cutting slips is carried out, branches 5 mm above leaves of the cutting slips selected in the S2 are cut off, and the cutting slips branches at the oblique cutting positions are 40-45 degrees; s5, seedbed cutting; s6, cutting. The method has the advantages that the podocarpus macrophyllus is convenient to move in the cuttage process, rapid propagation is facilitated, the seedbed is disinfected specially, so that microorganisms are not easy to dip and damage plant cutting slips, the water permeability and the air permeability are good, and seedlings cannot suffocate due to excessive moisture; particularly, the air humidity can be stabilized at 85% or above, so that the cutting slips grow in a suitable growth environment.

The invention discloses an electrothermal film, and specifically provides a ZnO-based electrothermal film doped by Al<3+>, Ga<3+> and Ag<3+>, and a preparation device and method thereof. The ZnO-based electrothermal film doped by Al<3+>, Ga<3+> and Ag<3+> is safe and environment-friendly in preparation process, low in cost, good in electrical conductivity, high in transmittance, uniform and adjustable in film thickness and high in quality. The invention solves the problems that a large amount of acid mist is generated in a conventional preparation process of an electrothermal film, pollution is serious, the prepared film is poor in quality and serious in power attenuation and the like in the prior art. The structural formula of the electrothermal film is Zn<1-x>M<x>O. The preparation device comprises a box body and a motor arranged on the box body, wherein the motor drives a quartz tube substrate in the box body to rotate, a heating module is arranged in the box body, an ultrasonic spray head and a precursor liquid inlet are arranged on the parts, corresponding to the quartz tube substrate, of the box body, and the ultrasonic spray head atomizes the precursor liquid from the precursor liquid inlet and uniformly coats the surface of the quartz tube substrate.