109results about How to "Facilitate penetration" patented technology

The invention relates to the technical field of lithium-ion cathode material, in particular to silicon cathode material coated with graphene and a preparation method of the silicon cathode material coated with the grapheme. The preparation method comprises the following steps: A, preparing oxidized graphene suspension liquid; B, preparing nanometer silicon particle suspension liquid; and C, preparing silicon cathode material coated with grapheme. The preparation method adopts the electrostatic self-assembly synthetic technology and is wide in source of raw material, low in price, simple in synthetic method, easy for control of process conditions, strong in operability and good in repeatability. The silicon cathode material coated with grapheme is high in specific capacity and good in cycle performance and rate capability, wherein the specific discharge capacity for the first time under the electric current density of 0.01-1.2V, 200mA/g can reach 2746mAh/g, and the specific discharge capacity after 100 times of cycles can maintain 803.8mAh/g.

The invention discloses a method for preparing a ceramic tile antifouling agent. The method for preparing the ceramic tile antifouling agent comprises the following steps of: mixing methyl hydrogen-containing silicone oil, fluoro silicone oil, amino silicone oil and a solvent at the temperature of 10-60 DEG C under a stirring action; adding an adjusting agent to adjust pH value of a system to be between 3 and 8; and continuously stirring for 10-60 minutes to obtain the ceramic tile antifouling agent. After being uniformly coated on the surface of a ceramic tile, the ceramic tile antifouling agent can infiltrate into the surface of the ceramic tile and form a stable chemical bonding action so as to form an organosilicon enhanced protection layer with hydrophobic and oleophobic properties, so that long-acting, high-luminosity and wash-resistant antifouling performance is realized. The ceramic tile antifouling agent prepared by the invention has the advantages of superior performance, wide application range and convenience for production, and is an ideal antifouling nursing agent for modern ceramic tiles.

The invention relates to a method for preparing modified loess with high adsorption performance. The method comprises the following steps of: (1) after stirring loess, distilled water and acrylic acid uniformly under room temperature, dropwise adding a NaOH solution with neutralization being 40-90% for neutralization to obtain a neutralization solution; (2) then adding hydroxyethyl methacrylate to the neutralization solution and stirring the materials uniformly to obtain mixed liquor; and (3) adding a crosslinking agent glycidyl methacrylate to the mixed liquor, heating the materials to 40-90 DEG C after introducing inert gases, finally adding an initiator ammonium persulfate, stirring the materials for 20-120 minutes when raising the temperature to 50-95 DEG C, thus generating a composite, and washing and drying the composite to a constant weight, thus obtaining the loess-based polymer composite adsorbent. The method has the following advantages that the natural loess is used as the raw material and is modified by acrylic acid and hydroxyethyl methacrylate to obtain the loess-based polymer composite adsorbent; and the loess-based polymer composite adsorbent is applied to treatment of wastewater containing heavy metal ions and dyes and has the characteristics of strong absorbability and large adsorption capacity.

The invention provides a method for preparing a titanium dioxide nanosheet coated graphene anode material of a lithium ion battery. The method comprises the following steps: a, preparing graphene oxide suspension: preparing graphite oxide by adopting a hummer method, and ultrasonically peeling graphite oxide in isopropanol to form graphene oxide suspension; and b, preparing the titanium dioxide nanosheet coated graphene material: adding a certain amount of diethylenetriamine into the graphene oxide suspension, uniformly stirring, adding butyl titanate, uniformly stirring, putting in a closed reaction kettle to perform solvothermal reaction, washing a solvothermal reaction product by using ethanol, drying, and processing at high temperature under the protective atmosphere so as to obtain the titanium dioxide nanosheet coated graphene anode material. By means of the preparation method disclosed by the invention, aggregation and overlapping in the reducing process of graphene can be effectively prevented; therefore, the electronic conductivity of the titanium dioxide nanosheet coated graphene anode material of the lithium ion battery is increased; and a research thought is provided for seeking the novel anode material of the lithium ion battery.

The invention discloses a valve-controlled type lead-acid storage battery. Lead plaster in a positive plate of the valve-controlled type lead-acid storage battery comprises the following active substances in percentage by weight: 68%-81% of lead powder, 3%-12% of red lead, 0.05%-0.15% of short fiber, 7%-11% of deionized water, 5%-10% of sulphuric acid with the density of 1.4g/mL and 0.2%-1% of additive; and the lead plaster in a negative plate of the valve-controlled type lead-acid storage battery comprises the following active substances in percentage by weight: 68%-82% of lead powder, 0.1%-0.3% of short fiber, 6%-15% of deionized water, 5%-15% of sulphuric acid with the density of 1.4g/mL, 0.1%-0.5% of acetylene black, 0.1%-1% of humic acid, 0.1%-1% of lignin and 0.5%-0.8% of barium sulfate. The valve-controlled type lead-acid storage battery produced according to the formulas of a positive electrode and a negative electrode has the advantages that the low-temperature discharge performance is substantially improved, and the discharge capacity at -40 DEG C reaches above 50% of the normal capacity.

The invention discloses an urban road rainwater regulation and storage system. The system comprises a water permeable pavement (1), and a grass planting furrow (2) and a water permeable side pavement (3), wherein the grass planting furrow (2) and the water permeable side pavement (3), and the water permeable pavement (1) are sequentially arranged in parallel; the water permeable pavement (1) comprises a foundation layer (11) and a water permeable asphalt surface layer (12), which are laid in sequence from bottom to top; the water permeable side pavement (3) comprises water permeable bricks (31) laid on the surface of the water permeable side pavement (3). According to the rainwater regulation and storage system disclosed by the invention, the water permeable pavement, the water permeable side pavement and the grass planting furrow between the water permeable pavement and the water permeable side pavement form the enhancing effects of purifying, filtering, regulating and storing ground surface rainwater, and the rainwater is effectively controlled and utilized, so that a sponge city is easily constructed; meanwhile, the rainwater regulation and storage system also has an afforestation landscape effect.

A tool for producing a thread such as an internal thread, can include at least one cutting region having at least one cutting edge and at least one thread-forming region. In general, the cutting region(s) and the thread-forming region(s) are coupled or connected to one another in such a way that they are rotatable or rotate together about a tool axis. In addition, at least one cutting region is at least partly formed on a front-face tool end and/or adjacent to a front-face tool end. Furthermore, a front-face recess that is configured for receiving chips is formed on the front-face tool end.

The invention provides a simulation ceramic tile and a preparation method thereof. The ceramic tile comprises a blank layer, a bottom glaze layer and a surface glaze layer, wherein the bottom glaze layer comprises penetrating ink; the maximum penetrating depth of the ink is the thickness of the bottom glaze layer; the penetrating width is fit with a grain boundary of a cross section, the blank layer comprises at least one pug layer and at least one powder layer, the most bottom layer of the ceramic tile is the pug layer, and at least one surface of the powder layer is in contact with the pug layer. Meanwhile, the preparation process of the ceramic tile is also provided, the penetrating depth and width of the ink pigment can be effectively controlled by optimizing and adjusting the ingredients, the process steps and the parameters, the grain fit degree between the bland body and the longitudinal section of the bottom glaze is high, the stereoscopic impression and simulation degree of the ceramic tile are greatly improved, meanwhile, due to the unique sintering process control, the bland body layer does not have a mutual penetration layer, thereby further improving the stereoscopic impression and simulation degree of the ceramic tile.

The invention provides a preparation method and the application of a silicon dioxide/biochar composite material. The preparation method comprises the following steps: mixing raw egg yolk with a water/ethanol mixed solution, uniformly stirring to form an egg yolk solution, dropwise adding ammonia water into the egg yolk solution, fully stirring, dropwise adding tetraethyl orthosilicate, and stirring to react at room temperature after dropwise adding is completed to obtain a silicon dioxide/egg yolk mixed solution; carrying out freeze drying on the silicon dioxide/egg yolk mixed solution to obtain silicon dioxide/biochar composite material precursor powder; putting the silicon dioxide/biochar composite material precursor powder into a tubular furnace, carrying out programmed heating to a calcination temperature in a protective atmosphere, calcining, and naturally cooling to room temperature after the calcination is finished; soaking the calcined material in a NaOH solution and a KOH solution respectively, centrifuging, washing and drying to obtain the silicon dioxide/biochar negative electrode material. The preparation method is simple, easy to operate and beneficial to large-scale preparation.

Tooth whitening system comprising: - a toothbrush (1) with a body (2) surmounted with a head (3) with bristles (301) for brushing the tooth surface, at least one reservoir (201) containing a compound comprising at least one whitening agent, means, inside or outside said body, for conveying said compound from said reservoir (201) to the head (3) and for dispensing the compound at said bristles (301), means for increasing the pressure of the compound inside the reservoir (201) such to dispense said compound at said bristles (301) through said conveying and dispensing means.

The invention discloses a CoO/rGO composite and a preparation method and application thereof, the CoO/rGO composite is formed by randomly distributing CoO nanorods in the shape of sugar coated haws ona stick on the surface of graphene, the CoO nanorods are composed of CoO nanoparticles, and a gap is arranged between adjacent CoO nanoparticles. The CoO/rGO composite is a double-effect catalyst fora lithium air battery. The CoO/rGO composite has good catalytic activity for both ORR and OER, and has very high battery capacity. The CoO/rGO composite has simple process, environmental friendliness, low cost and high efficiency and other characteristics.

The invention discloses making equipment of a dried Gong pear slice. The equipment includes a box body, the box body is equipped with an atomization chamber, a permeation chamber and a drying chamberfrom the head to the tail in order. The atomization chamber is communicated with the permeation chamber, the permeation chamber and the drying chamber are separated by a liftable baffle plate, and theatomization chamber is provided with a feed inlet and pipelines for introducing atomization liquid. The drying chamber is connected to a vacuum pump, and is equipped with an openable and closeable discharge port, and the inner wall of the drying chamber is provided with a cooling pipeline and a far-infrared electric heater. The three chambers in the box body are all equipped with conveying mesh belts. The outer side wall of the box body is equipped with a control plate and two motors driving the conveying mesh belts to move. The control plate is in electric connection with the two motors, anda switch in electrical connection with the far-infrared electric heater is disposed outside the box body. The equipment provided by the invention can perform physical and chemical color protection onthe Gong pear slice during preparation of the dried Gong pear slice, and the dried Gong pear slice has good color.

The invention discloses deep roadway prestress full-anchor supporting construction equipment and a construction method thereof. The deep roadway prestress full-anchor supporting construction equipmentcomprises an anchor bolt for being inserted into a roadway anchor hole, an injection machine for providing primary grout and secondary grout for the anchor bolt, and a pressure maintaining pipeline for being connected with the anchor bolt and the injection machine. The anchor hole is provided with an inner end and an outer end opposite to the inner end, the anchor bolt is coaxially inserted intothe anchor hole, and the anchor bolt is provided with a first end and a second end opposite to the first end. After the anchor bolt is coaxially inserted into the anchor hole, the first end is locatedat the inner end, and the second end is located at the outer end. An injection clearance exists between the periphery of the anchor bolt and the anchor bolt, and the injection clearance at the innerend of the anchor holt is used for allowing the first grout to be injected into, so that the first end of the anchor bolt is anchored; and the injection clearance at the other positions of the anchorhole is used for allowing the secondary grout to be injected into, so that the anchor bolt is anchored in the whole length direction. And a layered grouting manner is adopted, so that the more than 90% of the clearance in the anchor holt is filled with the grout, the compactness is high, and whole-length anchoring of the anchor bolt is achieved.

The invention discloses a process for preparing microcrystalline cellulose by cotton noils. The cotton noils are used for preparing the microcrystalline cellulose, and pretreatment mainly adopts low-dosage scouring-oxygen bleaching-soaping-washing processes. The dosage of additives used for cotton treatment is greatly reduced, a hydrolysis process of 6%-8% hydrochloric acid or sulfuric acid within the range of 60-80 DEG C is used for preparing the microcrystalline cellulose, and the high-purity microcrystalline cellulose is obtained while the industrial waste cotton noils are sufficiently used.

The invention discloses a carbon cloth loaded flower-shaped Sb2O4@polyhedral Sb2O5 composite self-supporting electrode material and a preparation method thereof. The preparation method comprises the following specific steps of: 1) putting single-layer graphene oxide into deionized water or a mixed solution of deionized water and absolute ethyl alcohol, and carrying out ultrasonic oscillation to obtain a solution A; 2) adding antimony trichloride into the solution A obtained in the step 1), adjusting the pH value, continuously stirring to form a reaction precursor, and impregnating the carbon cloth subjected to anodic oxidation activation in the reaction precursor; and (3) transferring the carbon cloth obtained in the step (2) and the reaction precursor into a reactor, carrying out hydrothermal reaction at 150-180 DEG C, cooling the product to room temperature after the reaction is finished, taking out the carbon cloth, cleaning and drying the carbon cloth to obtain the carbon cloth loaded flower-shaped Sb2O4 and polyhedral Sb2O5 composite self-supporting electrode material. The preparation method is simple, short in preparation period and high in repeatability, and the prepared product has the advantages of being good in electrochemical performance, low in cost, environmentally friendly, controllable in structural design and the like.

The invention provides a high-simulation antibacterial ceramic tile and a preparation method thereof. The method comprises the following steps: (1) preparation of a blank body: performing ball-millingon a green body mud material and powder material separately to a desired particle size, performing spray drying, performing laying and compression moulding in a mold according to the texture requirements; (2) performing one-time firing treatment at 850-1000 DEG C on the blank body obtained in the step (1); (3) coating ground glaze on the fired blank body obtained in the step (2), wherein components of the ground glaze comprise 8-14% of an organic binder; (4) performing firing treatment on the blank body obtained after coating of the ground glaze; (5) performing inkjet treatment on the blank body obtained in the step (4); (6) coating surface glaze on the blank body obtained in the step (5); (7) performing sintering on the obtained blank body at 1200 DEG C or above; (8) performing picklingon the sintered ceramic tile; and (9) polishing the tile obtained after pickling. The prepared ceramic tile has high fidelity, a high three-dimensional effect and an antibacterial function.

The invention provides a frame type double-row-pile cement-soil wall foundation pit enclosure structure which is arranged in a soil body around a foundation pit. The frame type double-row-pile cement-soil wall foundation pit enclosure structure comprises a group of frame type double-row-pile units and a cement-soil mixed pile waterproof curtain. The cement-soil mixed pile waterproof curtain is arranged along the edge of the foundation pit, and an interval exists between the edge of the foundation pit and the cement-soil mixed pile waterproof curtain. The cement-soil mixed pile waterproof curtain is composed of a group of cement-soil mixed piles, wherein every two adjacent cement-soil piles are meshed. The group of frame type double-row-pile units are arranged at intervals along the edge ofthe foundation pit in parallel. Each frame type double-row-pile unit comprises a front single-arm steel pipe pile, a back single-arm steel pipe pile and horizontal connection plates, wherein the front single-arm steel pipe pile is inserted into the soil body around the foundation pit and located on the side close to the foundation pit, and the back single-arm steel pipe pile is inserted into thecement-soil mixed pile waterproof curtain. The frame type double-row-pile cement-soil wall foundation pit enclosure structure solves the technical problems that construction of a traditional concreteenclosure structure is not environmentally friendly, and materials are wasted and solves the technical problems that a profile steel or steel sheet pile enclosure structure is low in flexural rigidity, and support deformation cannot be effectively controlled.

The invention relates to a plant repairing essence lotion. The plant repairing essence lotion is prepared from the following raw material components in percentage by weight: 60-85% of water, 6-10% ofavocado tree national fat, 1.5-5% of 1, 3-propylene glycol, 1.5-5% of glycerin, 1-5% of olive fruit oil, 1-4% of sunflower seed oil, 1-3% of grape seed oil, 0.6-2% of glycine betaine; 0.6-1% of cetostearyl alcohol, 0.6-1% of raspberry ketone, 0.4-1% of tocopheryl acetate, 0.3-1% of hydrogenated lecithin, 0.28-1% of wild soybean sterol, 0.1-0.46% of xanthan gum, 0.1-0.46% of tremella polysaccharide, 0.01-0.05% of sodium hyaluronate and 0.01-0.03% of dipotassium glycyrrhizinate. The preparation method of the plant repairing essence lotion comprises the following steps: mixing the raw material components in proportion, emulsifying the mixed material, carrying out aging, carrying out detection and carrying out filling. The product has high biological activity and natural raw material components rich in various nutritional ingredients, and can recover the skin elasticity, make the skin color uniform and achieve moistening and anti-wrinkle effects. The preparation method is simple and easy to implement, low in cost and suitable for batch production.

The invention discloses a preparation method for loading a metal oxide on the surface of cracked carbon black. The method comprises the following steps: dissolving organic impurities such as coke oiland residual rubber hydrocarbon attached to the surfaces and internal spaces of carbon black particles by using an organic solvent; conducting repeated vacuum-pressure relief and curing treatment to help the organic solvent to permeate into the cracked carbon black particles so as to allow the organic impurities in the carbon black particles to be fully dissolved out, rich pore structures to be formed on the surfaces of the carbon black particles and in the carbon black particles and active sites of the carbon black particles to be released; carrying out ultrasonic dispersion treatment on thecarbon black particles so as to load metal ions in an aqueous solution into pores in the surfaces of the carbon black particles; and carrying out standing and calcining to uniformly deposit metal oxides in the pores in the surfaces of the carbon black particles, thereby obtaining the modified cracked carbon black hybrid particles and enhancing the application performance of the cracked carbon black.

The invention relates to a preservation method of a fresh silkworm chrysalis. The preservation method particularly comprises the following steps of (1), cleaning the fresh silkworm chrysalis; (2), refrigerating the fresh silkworm chrysalis. Through an experiment, according to the preservation of the fresh silkworm chrysalis by using the method provided by the invention, the preservation time of the fresh silkworm chrysalis can be effectively prolonged; the survival rate of the fresh silkworm chrysalis can be still up to 82 percent or above after five days.

The invention discloses a preparation method of Tibetan tea having delicate fragrance of lotus leaves. The preparation method comprises the following steps of mixing tea leaves with lotus leaves, performing fixation, performing drying, performing fermentation, and finally picking out lotus leaves so as to obtain the Tibetan tea having the delicate fragrance of the lotus leaves. The preparation method disclosed by the invention has the beneficial effects that the lotus leaves are cut up, the cut-up lotus leaves and the tea leaves are subjected to fixation and fermentation, the delicate fragrance of the lotus leaves is merged into the tea leaves, the Tibetan tea having the delicate fragrance of the lotus leaves is formed, and finally the lotus leaves are picked out, so that lotus leaf soup obtained by brewing the lotus leaves during brewing is prevented from influencing the mouth feel of the Tibetan tea.