19results about How to "Desensitization" patented technology

The invention relates to the field of hair dyeing products, in particular to a low-irritation essential oil hair dye and a preparation method thereof. The invention relates to a low-irritation essential oil hair dye, which comprises a No.1 agent and a No.2 agent, the No.1 agent comprises a humectant, a hair coloring agent, an antioxidant, a chelating agent and a solvent A; a thickening agent A, an emulsifier A and a hair conditioner; a pH regulator A, and polydimethylsiloxane; the disinfectant is prepared from an aromatic A, polyquaternium-7, polyquaternium-10, argania spinosa kernel oil, a camellia extract, a ginger root extract and a preservative; the agent 2 comprises a solvent B, cetearyl trimethyl ammonium chloride, sodium stannate and a pH regulator B; a thickener B, an emulsifier B and mineral oil; a chelating agent C; and an oxidant. The hair dye provided by the invention can reduce irritation under the condition of ensuring the hair dyeing effect and relieve the frizz degree of dyed hair, and has a plurality of advantages.

The utility model discloses an optical imaging system. The optical imaging system comprises a lens cone, an eight-piece lens group and a separator group, wherein the eight-piece lens group and the separator group are arranged in the lens cone; the eight-piece lens group comprises a first lens with positive focal power, a second lens with positive focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with focal power and a sixth lens with positive focal power which are sequentially arranged from the object side to the image side along the optical axis; the seventh lens has positive focal power; the eighth lens has negative focal power; the separator group comprises a seventh separator which is arranged on the image side surface of the seventh lens and is in contact with the image side surface of the seventh lens; wherein the curvature radius R16 of the image side surface of the eighth lens and the inner diameter d7m of the image side surface of the seventh isolation piece meet the following conditions: 1.5 lt; d7m / R16lt; 4.2, 4.2; the effective focal length f8 of the eighth lens, the inner diameter d7m of the image side surface of the seventh isolation piece and the outer diameter D7m of the image side surface of the seventh isolation piece meet the following conditions: 0 lt; (D7m-d7m) / f8lt; and 1.40.

The invention provides a preparation method and application of a skin care product rich in ergothioneine and nicotinamide, and belongs to the technical field of skin care products.According to the scheme, an ergothioneine solution is treated with a stabilizer, the pH value of a nicotinamide solution is adjusted, tea polyphenol is added, stability is improved, specific temperature, humidity and containers are specified in the storage link, and deterioration is prevented; ergothioneine and nicotinamide synergistically exert multiple effects to meet various requirements of consumers, the preparation process is scientific and reasonable, segmented stirring and temperature control are performed, specific components are added and treated, the product quality is ensured, finally, a high-temperature instantaneous sterilization method is adopted, the product safety and stability are ensured, the microbial index standard is met, and in a word, the preparation method is suitable for industrial production. The invention has obvious advantages and wide market prospect.

The invention discloses a plant-sourced anti-allergy soothing composition. The composition is prepared from the following components in parts by mass: 0.01 to 0.1 part of Yunnan rhizoma paridis extract, 0.3 to 5 parts of gymnadenia conopsea extract, 0.01 to 0.1 part of kava extract and 0.01 to 0.05 part of citric acid orange fruit extract. The composition can reduce free radicals, reduce release of inflammatory factors, enhance skin barrier and achieve the effect of reducing sensitive occurrence from external and internal multiple pathways aiming at all stages of sensitive skin allergy, and is very suitable for nursing sensitive skin. In addition, each component is irreplaceable, the addition range of the composition is also an optimal range, and the effect, the safety and the cost of the composition are all the optimal ranges. In conclusion, the composition disclosed by the invention is an economical and effective cosmetic composition with multiple anti-allergy and soothing effects.

The invention discloses a micro-ecological flora balanced natural cranberry essence capable of nourishing and improving causalgia and peculiar smell, a preparation method and application, the cranberry essence is prepared from the following raw materials in percentage by weight: 12-25% of cranberry oil, 70-85% of cyperus esculentus oil and 3-5% of pepper fruit extract. The composition can promote the growth of beneficial bacteria, inhibit the growth of harmful bacteria, maintain the balance of micro-ecological flora, improve the skin elasticity, provide a moistening effect, enhance the barrier function of the skin, protect the skin from being damaged by the external environment, reduce skin sensitivity, reduce skin discomfort, relieve pruritus, and reduce stabbing pain and burning heat sensation. The disposable hygienic product prepared from the essence can keep micro-ecological flora balance and reduce skin discomfort. The wash supplies prepared from the essence are externally smeared on the skin, so that the skin has skin care activity, and the essence has good effects of inhibiting harmful bacteria, delaying skin degenerative change and moisturizing and tightening the skin.

The invention relates to the field of soothing products, in particular to soothing cream and a preparation method thereof. The soothing cream comprises the following components: rhodiola root, peppermint, basil, a humectant, a preservative, an emulsifier, a thickener, grease and water. The preparation method of the soothing cream comprises the following steps: step 1, grinding the rhodiola rosea root, the peppermint and the basil into powder to obtain plant mixed powder; step 2, mixing the plant mixed powder with water, and carrying out microwave treatment under the condition of 600-700W for 20-30min to obtain a microwave mixture; 3, heating the microwave mixture to 95-100 DEG C, and keeping the temperature for 30-60 minutes to obtain a first mixture; and 4, mixing the rest raw materials with the first mixture, and uniformly stirring to obtain the soothing cream. The soothing cream provided by the invention can better improve the fragile and sensitive state of skin, has wider applicability, and can provide comprehensive and effective alleviation for skin sensitivity and inflammation.

The invention discloses a herbal compound anti-wrinkle spot-fading moisturizing mask and a preparation method thereof, and relates to the technical field of cosmetic processing. The herbal compound anti-wrinkle spot-fading moisturizing mask is composed of essence and two-phase permeation antibacterial film cloth, the essence is prepared from a proteoglycan protein peptide nanocomposite, synergistic liposome, a lucid ganoderma extract, a rhodiola rosea extract, a ginseng extract, a semen cuscutae extract, glycerin, hydroxyethyl cellulose, p-hydroxyacetophenone and deionized water. The essence is loaded in the biphasic permeation antibacterial film cloth, fat-soluble and water-soluble active substances in the essence can permeate and immerse into skin through gradient permeation and multistage pore channels, the permeability of the active substances is improved, and under further delivery of nano-particles and lipidosome, the synergistic skin care effect of multiple components is remarkably improved; the anti-wrinkle, freckle-fading and moisturizing effects are effectively improved, and meanwhile, the anti-wrinkle, freckle-fading and moisturizing composition has excellent antibacterial property and can reduce skin sensitivity and inflammatory response.

This invention relates to the field of acyclic or carbocyclic compounds and discloses a method for preparing 6-bromo-2,3-difluorotrifluorotoluene, comprising: dissolving 2,3-difluorotrifluorotoluene in a mixed solvent composed of a polar modifier containing a proton acceptor site and a nonpolar solvent; adding a polyether stabilizer and an iron-based catalyst; and dropwise adding liquid bromine to trigger a directional bromination reaction. The method utilizes the protonated ion-pair complex formed by the in-situ generation of hydrogen bromide and the polar modifier, which, in conjunction with the polyether stabilizer, constructs a sterically hindered shielding structure at positions 4 and 5 of the substrate molecule. This invention forces the electrophilic substitution pathway to be directed towards position 6 of the substrate molecule, overcoming the bottleneck of extremely low positioning accuracy in passivated aromatic ring systems, transforming disordered isomers into a single dominant isomer, thereby reducing separation energy consumption.

The invention discloses anti-allergy toothpaste and a preparation method thereof. The anti-allergy toothpaste comprises the following raw materials: a friction agent, a thickening agent, a preservative, an active additive, a humectant, a foaming agent, a mint extract, a sweetening agent and deionized water, the invention discloses anti-allergy toothpaste which comprises the following raw materials in percentage by weight: 45% of abrasive, 2% of thickening agent, 0.5% of preservative, 1% of active additive, 15% of humectant, 2.5% of foaming agent, 1.5% of mint extract, 0.25% of sweetening agent and the balance of deionized water. And the anti-allergy protection is performed on the teeth by matching with the preservative, and the anti-allergy effect is achieved by closing the exposed dentinal tubules and inhibiting the flow of liquid in the tubules, so that the ache symptom is relieved, the excitability of dental pulp nerves is reduced, and the dentin sensitivity is relieved.

The invention discloses a preparation method of a novel composite amniotic membrane lacrimal stent, the stent comprises a three-layer structure including an inner layer, a middle layer and an outer layer, the inner layer is a tubular composite inner core formed by weaving hollow tubular or solid silk threads formed by melting and extruding PLGA or a PLGA / PCL mixture; the middle layer is an expansion sponge layer formed by a collagen solution containing one or more of amniotic membrane powder, mussel protein, hyaluronic acid and chitosan, and the expansion sponge layer is a columnar sponge layer prepared from collagen through electrochemical deposition; spraying one or more of an amnion powder anti-scar and anti-adhesion component, a mussel protein viscous material and a chitosan anti-inflammatory component material; the outer layer is a biological amniotic membrane and is prepared through strengthening treatment, and compared with an existing lacrimal passage stent prepared from pure biological materials, the lacrimal passage stent has the good drainage effect and the healing promoting and inflammation diminishing effects, meanwhile, good supporting performance is provided, and smoothness of a passage is maintained.

This invention discloses a polyacid-based mild acne-removing composition, its preparation method, and its application, belonging to the field of acne treatment preparation technology. By mass percentage, the polyacid-based mild acne-removing composition comprises 1%–10% bee venom peptide, 0.25%–5% microcapsules containing polydeoxyribonucleotides, 0.2%–1.5% soothing active ingredients, 0.5%–3% biosaccharide gum-1, 0.2%–2% biosaccharide gum-2, 0.05%–0.5% astragalus gum, 0.1%–1% pH buffering compound, 2%–10% acid mixture, and 3%–20% alcohol mixture, with the balance being water. This acne-removing composition achieved a low-irritation user experience with a high-concentration polyacid formula in subjects with sensitive, mild to moderate facial acne, effectively improving the problems of poor tolerance and limited applicability of traditional acid-based acne products for sensitive skin, significantly broadening the applicable skin types and application scenarios for high-efficacy acid-based acne products, and balancing effective acne removal with safety suitable for sensitive skin.

The invention provides a time division multiplexing readout circuit for a superconducting detector array and a readout method thereof, the circuit comprises detection pixel units, at least two row gating control lines and a column readout channel, and each row gating control line is at least connected with two detection pixel units; each detection pixel unit comprises a detector bias branch, an LC filtering isolation network, a Josephson junction switch module and a signal transmission branch which are connected in sequence; each row gating control line is connected to the control end of the Josephson junction; a common input signal line connected with the output end of each signal transmission branch is connected in series with at least two input inductors Lin, and a corresponding reading SQUID is arranged beside each input inductor Lin for magnetic coupling, so that a primary direct reading structure is formed; the read-out SQUIDs are also connected in series with one another to form a read-out SQUID column series array, and a column read-out channel is jointly formed; a time division multiplexing readout method is also provided.

The utility model relates to the technical field of underwear mould cup, specifically disclose a high underwear mould cup of close degree, including underwear mould cup main part, the inside of underwear mould cup main part is provided with core support area, and is located underwear mould cup main part's lower edge and side edge area, the inside of underwear mould cup main part is provided with flexible close area, and is located underwear mould cup main part's center and upper edge area, the inside of flexible close area is provided with honeycomb gap structure, this honeycomb gap structure non - through underwear mould cup main part's inside and outside surface The utility model through setting up inside non - through honeycomb gap structure, make flexible close area possess local deformation ability, can fill the chest curve gap closely when static wearing, dynamic activity time self -adaptation deformation reduces displacement, simultaneously, the density / thickness difference of core support area and flexible area realizes the accurate distribution of supporting force and close nature, significantly improves the overall close degree and stability.

The application provides an iron-based X-ray double-mode energy recovery system and relates to the technical field of photovoltaic devices.The application is based on the high atomic number characteristics of an iron-based metal substrate and the three-dimensional structure of a honeycomb cavity array, a heterojunction is formed through an iron base, a titanium nitride transition layer, a cadmium sulfide electronic transition layer and a cadmium telluride crystal layer, the high-efficiency binding and capture of secondary electrons by the heterojunction improves the X-ray absorption rate and the photoelectric conversion efficiency, reduces the material use cost, has the advantage of easy processing, solves the problems of high cost and complex preparation of traditional radiation energy recovery materials, and through the dynamic complementation of the photovoltaic channel and the piezoelectric channel, high-power rapid energy supply can be realized through the photovoltaic layer under strong X-ray irradiation, and the piezoelectric and thermoelectric units can continuously output micro energy under weak radiation or pulse intermittent scenes, so that the energy collection stability and reliability in complex working conditions such as security inspection machines are ensured.

This invention relates to the field of marine observation and satellite navigation positioning technology, and includes the following steps: S1, multi-source data acquisition and time synchronization; S2, buoy boom effect compensation and GNSS preprocessing; S3, marine environmental feature extraction and encoding; S4, deep learning-based covariance process noise prediction; S5, Lyapunov covariance dynamics propagation and spectral constraint smoothing; S6, adaptive extended Kalman filter positioning; S7, tidal and wave parameter extraction and early warning output. This invention utilizes a diagonalized transfer matrix structure to transform recursion into a parallel convolutional form, supporting fast Fourier transform to accelerate computation and meeting the real-time inference requirements of the buoy-embedded processor. It constructs an integrated processing link from raw multi-source data acquisition to high-precision positioning, marine parameter extraction, and disaster early warning, providing reliable data support for marine environmental monitoring and emergency response.

The invention relates to the field of oral care products, and particularly discloses a preparation method of whitening and antiallergic toothpaste which comprises the following raw materials: deionized water, an abrasive, a traditional Chinese medicine extract, sodium phytate, a microcapsule desensitizer, torreya grandis seed oil, sorbitol, cocamidopropyl betaine, xanthan gum and sodium carboxymethyl cellulose. The preparation method comprises the following steps: mixing the xanthan gum, the sodium carboxymethyl cellulose, the sorbitol and the deionized water, stirring and dispersing, then adding the abrasive, the sodium phytate and the cocamidopropyl betaine, stirring and dispersing in vacuum, finally adding the traditional Chinese medicine extract, the microcapsule desensitizer and the torreya grandis seed oil, continuously stirring and dispersing, and vacuumizing, discharging and filling in a vacuum state. The whitening and antiallergic toothpaste is obtained. The whitening anti-allergic toothpaste prepared by the invention is proper in friction value, excellent in tooth stain and dental plaque removal effect, remarkable in tooth whitening effect, capable of solving the problem of dentin hypersensitivity in multiple aspects and remarkable in anti-allergic effect.

The invention relates to the technical field of skin care, and discloses a liquid membrane transdermal metabolism freckle removing method which comprises the following steps: S1, cleaning a face: rubbing and foaming by using a proper amount of a face cleaning product, emphatically cleaning a T region, a forehead, nose wings and a jaw, massaging, and cleaning by using clear water; s2, disinfection: using 75% alcohol or chlorhexidine solution to disinfect the face, especially the spot part, avoiding eyes and mouths, and naturally airing or using a sterile cotton towel to dry; s3, exfoliating: spot-coating a color spot area with an tartaric acid solution, washing after a period of time, then performing short massage with alumina microcrystal powder and essence, cleaning and wiping dry; s4, applying a liquid film on the face, namely applying the essence until absorption, forming the liquid film by using the face cream, and repeating the steps in the morning and evening. By utilizing the osmotic pressure principle, pigment molecules gradually move towards the skin surface under the action of natural osmotic pressure, and accumulation of subcutaneous pigments is reduced, so that intense physical or chemical stimulation is avoided, and sensitivity and discomfort in the freckle removing process are reduced.

The present invention discloses a wireless sensor monitoring network for underground monorail cranes, including a coordinator aggregation node, a data display processing device, and a plurality of brake block monitoring nodes, a tie rod stress monitoring node, a carriage vibration monitoring node, and a routing relay node; wherein the brake block monitoring node, the tie rod stress monitoring node, and the carriage vibration monitoring node are respectively connected to the routing relay node through a universal communication control module, the routing relay node is connected to the coordinator aggregation node through a universal communication control module, and the coordinator aggregation node is connected to the data display processing device through a universal communication control module. The present invention arranges nodes at various locations of the locomotive body to monitor the braking, vibration, and tie rod status of the monorail crane, make up for the monitoring loopholes of the electrical control system, and uploads the node monitoring data and the locomotive electrical control system data to the locomotive control room through the mine tunnel wireless communication base station, so as to realize real-time monitoring of the operation status of the monorail crane.

The invention provides an ice building block grooving method and an electrically-driven planing and milling type ice building block grooving machine, and belongs to the field of ice and snow landscape construction engineering. The problem that at present, grooving operation on the ice masonry mainly depends on a manual tool and fuel oil driving equipment is solved. The method comprises the steps that the number of planing and milling blades is adjusted according to the needed grooving width; according to the needed grooving depth, the angle adjusting locking structure drives the grooving depth adjusting plate to rotate around the rotating shaft, and the height of the portion, exposed below the grooving depth adjusting plate, of the planing and milling blade is changed; the relative position of the grooving depth adjusting plate and the grooving machine shell is locked through the locking nut; the electric driving structure is started and drives the planing and milling blade to rotate; and the grooving depth adjusting plate is aligned to the to-be-grooved part of the ice block and pushed in the extending direction of the to-be-grooved part, and in the grooving process, the grooving depth adjusting plate is kept to abut against the upper surface of the ice block. The grooving machine can adjust the grooving depth and width, the cost is reduced, and the environment is protected.