65results about How to "Increase moisture content" patented technology

The invention belongs to the technical field of metal separation, and particularly relates to a deep eutectic solvent, a preparation method and application thereof, and a method for selectively extracting lithium from a lithium battery positive electrode material. According to the deep eutectic solvent provided by the invention, nearly 100% selective leaching of lithium is realized in an extremely short time, and Ni, Co and Mn are almost not leached, so that the bottleneck that the rate and the selectivity are difficult to obtain at the same time in a traditional method is broken through; and the process conditions are mild and efficient, are far superior to the traditional process and are more suitable for practical industrial application, and the energy consumption and material consumption are remarkably reduced.

This invention discloses a method for extracting high-purity PDRN from salmon testes and its application in improving skin condition, belonging to the field of bioactive ingredient extraction technology. Frozen salmon testis tissue is cleaned of blood vessels and fatty impurities, then cryogenically pulverized at -20~-25℃. The pulverized tissue is added to a pre-treatment dispersion buffer and homogenized under high pressure to obtain a DNA fragmentation solution. The precipitate is then separated by centrifugation. The precipitate is dispersed in a dedicated enzyme digestion buffer, and enzymatic digestion with protease and RNase A is performed to inactivate the enzyme. DNase I is added to the digestion solution for enzymatic cleavage. After the reaction, a stop solution is added to terminate the reaction, and the supernatant is separated by centrifugation. Ethanol is added to the supernatant for precipitation, and centrifugation yields PDRN from salmon testes. This invention, through specific buffer systems and enzymatic digestion conditions, increases the PDRN content by 40~60 kDa, allowing for better absorption and utilization by the skin, improving facial hydration and elasticity, effectively reducing facial wrinkles, and improving facial skin condition. It can be used to prepare functional cosmetics.

The application discloses a kind of cosmetics suitable for sensitive skin and preparation method thereof, preparation raw materials include A phase, B phase, C phase and D phase;The preparation raw materials of A phase include emulsifier, emollient, thickening agent, antioxidant;The preparation raw materials of B phase include water, humectant, chelating agent, thickening agent B;The preparation raw materials of C phase include emulsifier C, humectant C, plant extract;The preparation raw materials of the D phase include preservative.The application does not contain synthetic pigment, plastic micro powder, mineral oil and other harmful ingredients of skin, nature is mild, no stimulation, no toxic side effect, the subject is continuously used the cosmetic prepared by the application 28 days, and the decrease rate of lactic acid stinging score compared with base value is 50.38%, and product effect is remarkable, and effect is fast.

The application belongs to the technical field of flexible conductive materials for medical rehabilitation devices, and discloses a semi-invasive antibacterial electric stimulation rehabilitation hydrogel flexible electrode, which is prepared from a PVA-CMC-Na-HA-calcium propionate four-element synergistic system hydrogel and is surface-modified by sodium L-lactate; a three-dimensional network is constructed through one-pot physical crosslinking, polyvinyl alcohol and sodium carboxymethyl cellulose form a hydrogen bond interpenetrating network, hydroxyapatite is used as a rigid filler for reinforcement, and calcium propionate simultaneously acts as an ionic crosslinking agent and an electrolyte; sodium L-lactate forms a hydrophobic-hydrophilic gradient layer on the surface of the hydrogel in situ through an esterification reaction. The application solves the problems of mechanical mismatch, high impedance, poor biocompatibility of traditional metal electrodes, and the difficulty of simultaneously considering the strength, toughness and lubricity of existing hydrogels, realizes the mechanical properties of strong outside and tough inside of the electrode, has excellent biocompatibility and low impedance electric stimulation performance, does not need external conductive paste, and improves the comfort and safety of pelvic floor muscle rehabilitation treatment.

This invention belongs to the field of cosmetic technology and discloses a composition containing polypeptides, its preparation method, and its application. The composition provided by this invention comprises: polypeptides and a solubilizing and penetration-enhancing complex; the polypeptides include at least one selected from Codonopsis pilosula cyclic peptide B, conopeptide, carnosine, acetyl tetrapeptide-5, acetyl hexapeptide-8, and nonapeptide-1; the solubilizing and penetration-enhancing complex comprises the fermentation product filtrate of Kluyveromyces lactis / Ganoderma lucidum fruiting body extract, polyols, polysorbate, and ferulic acid. The composition provided by this invention, through the synergistic effect between its components, can effectively improve the solubility and stability of the polypeptides, preventing precipitation or exudation, while effectively promoting the transdermal absorption of the polypeptides; the composition provided by this invention has excellent antioxidant and anti-aging effects.

The present application belongs to the technical field of dust prevention of mine shaft, and particularly relates to a mine shaft spray dust-settling device, which comprises a vehicle body, an intercepting spray assembly is arranged on the vehicle body, the intercepting spray assembly comprises a support fixedly connected to one side of the upper end of the vehicle body, a lifting plate is slidably connected to one side of the support, a fixing ring is fixedly connected to one end of the lifting plate, a plurality of mounting plates are uniformly distributed and fixedly connected to the inner ring of the fixing ring in the circumferential direction, a plurality of connecting rods one are rotatably arranged on the mounting plates, and connecting rods two are rotatably arranged at one end of the connecting rods one. The present application utilizes the intercepting spray assembly, when dust is blown out through the mine discharge opening, the partial closure of the mine discharge opening area by the enclosure causes the diffusion path of the dust to be forcibly constrained, and the dust can only be discharged along the internal passage of the enclosure. A plurality of spray heads are aimed at the interior of the enclosure, and the spray range covers the entire cross section of the enclosure, so that the unorganized diffusion of the dust is changed into organized discharge, and the dust-settling effect is significantly improved.

The utility model discloses a multi-purpose car cleaning machine which comprises a rail moving type portal frame, two sets of bucket elevators are arranged and connected to the rail moving type portal frame in a lifting mode, and the top discharging ends of the two sets of bucket elevators are connected with telescopic discharging barrels. The bottom feeding ends of the two groups of bucket elevators are respectively connected with an open carriage cleaning head and an open container cleaning head; the material conveying mechanism is horizontally arranged on the rail moving type portal frame and located between the two sets of bucket elevators, the bottom ends of the two telescopic discharging barrels are connected to the material conveying mechanism, and the discharging end of the material conveying mechanism is connected with a dust cover; the dust removal assembly is fixed on the track moving type portal frame, the dust removal assembly comprises a negative pressure dust remover and a spraying dust suppressor, the negative pressure dust remover is used for removing dust at the discharging end of the material conveying mechanism, the spraying dust suppressor is used for suppressing dust of the cleaning head, and the negative pressure dust remover and the spraying dust suppressor are both fixed on the track moving type portal frame. And the applicability is high.

This utility model belongs to the technical field of fire-fighting equipment, and particularly relates to a multi-functional foam gun. It includes a first gun body, a primary foaming tube, a connector assembly, a secondary foaming tube, and a foam net holder. The primary foaming tube is installed at the front end of the first gun body, and the secondary foaming tube is installed at the front end of the primary foaming tube via the connector assembly. The foam net holder is installed at the outlet of the secondary foaming tube. The outer wall of the primary foaming tube is surrounded by several first suction holes, which are perpendicular to the central axis of the primary foaming tube. The outer wall of the secondary foaming tube is surrounded by several second suction holes, which are parallel to the central axis of the secondary foaming tube. This utility model uses a secondary negative pressure suction method combined with a foam net to achieve a final foaming ratio of 20 times for the foam extinguishing agent. In this state, the foam extinguishing agent has a low water content, low impact force, and short range, making it suitable for close-range coverage of fire sources, effectively extinguishing fires and preventing reignition.

This invention discloses a self-thickening, moisturizing, and oil-controlling gentle facial cleanser and its preparation method, belonging to the field of cosmetic technology. The raw materials are composed of the following percentages by weight: rhamnolipin 2%~8%, alkyl glycoside 5%~15%, cationic polymer 0.1%~1.5%, moisturizer 2%~6%, plant extract 0.5%~3%, pH adjuster (the amount needed to adjust the system pH to 5.0~7.0), preservative 0.1%~1.0%, and water as the balance. Through the ternary system of rhamnolipin-alkyl glycoside-cationic polymer, self-thickening and foam stability are achieved through electrostatic interaction and steric hindrance synergy, without relying on traditional thickeners such as carbomer. Simultaneously, it possesses excellent moisturizing and oil-controlling properties, with an oil removal rate ≥89%, a skin moisture content increase of ≥15% after 4 hours of use, and an oil secretion inhibition rate of ≥20% after 4 hours, with extremely low irritation. This invention solves the technical problem of low viscosity and poor foam performance in the rhamnolipin and alkyl glycoside compound system.

The utility model relates to a cloth bag dust removal air pressure balance tank for aluminum particle production, which comprises an air pressure balance tank body, and is technically characterized in that an upper heating component and a lower heating component are arranged on the peripheral wall of the air pressure balance tank body at intervals; the heating assembly comprises two arc-shaped hollow clamping hoops, a bolt pair connected between the two arc-shaped hollow clamping hoops, a plurality of heating rods arranged along the upper surfaces of the arc-shaped hollow clamping hoops at intervals, cushion layers arranged on the inner arc surfaces of the arc-shaped hollow clamping hoops and heat storage media located in the arc-shaped hollow clamping hoops, and the heating rods are longitudinally inserted into the arc-shaped hollow clamping hoops from the upper surfaces of the arc-shaped hollow clamping hoops; a temperature sensor is arranged on a gas outlet pipeline of the gas pressure balance tank body, a gas supplementing pipeline is arranged on the side of the top of the gas pressure balance tank body, the outer end of the gas supplementing pipeline is connected with an outlet of a dryer, and an inlet of the dryer is connected with a nitrogen feeding pipeline. According to the utility model, the problem that the interior of the tank body is iced under the condition of extremely low temperature is solved, and the pressure regulating function is ensured, so that the normal operation of an aluminum particle production system is ensured.

The application discloses a kind of for sweat glucose concentration monitoring method, it is related to sweat monitoring field, comprising the following steps: step 1, enzyme-fixed chain conjugate synthesis: glucose dehydrogenase is reacted with bilirubin oxidase respectively with bifunctional crosslinking agent and is purified, obtain enzyme-crosslinking agent intermediate;It is clicked with azide modified DNA fixed chain chemistry reaction again, and after purification, obtain GDH-fixed chain and BOx-fixed chain conjugate;Step 2, preparation of circular DNA template: after annealing hybridization of phosphorylated template chain and primer chain, it is connected into ring by T4 DNA ligase;Step 3, rolling circle amplification self-assembly package enzyme DNA hydrogel;The present application uses super-flexible DNA hydrogel as flexible electrode material, realizes the efficient fixation and continuous stable catalysis of GDH and BOx, and constructs flexible sweat-based EBFC self-powered sensor as flexible bioelectrode, to realize continuous non-invasive blood glucose monitoring.

This invention provides a post-makeup, post-makeup removal, and post-sun exposure repair composition containing purslane extract and its application, belonging to the field of cosmetic technology. The composition of this invention comprises the following components in parts by weight: 1.0–10.0 parts purslane extract, 1.0–8.0 parts fermented mung bean sprout extract, 0.1–3.0 parts immortelle extract, and 0.1–3.0 parts ectoine. This invention uses purslane extract as a soothing and repairing base; fermented mung bean sprout extract to improve oxidative stress after makeup, makeup removal, and sun exposure; immortelle extract to improve redness, burning sensation, and discomfort after irritation; and ectoine to enhance the skin's stress resistance and tolerance. These four components synergistically form a complex care system of "soothing redness—antioxidant stabilization—plant repair—anti-stress tolerance," which can effectively improve problems such as redness after makeup, tightness after makeup removal, burning sensation, stinging, dryness, and unstable skin barrier after sun exposure. The composition of this invention is mild and can be prepared into various dosage forms such as essence water, wet compress water, spray, gel mask, gel, sheet mask, cream mask, serum, lotion, etc., which are suitable for industrial production and daily skin care use.

The invention discloses moisturizing and anti-aging soft mask powder and a preparation and use method thereof, sodium alginate, calcium sulfate and hydroxypropyl methyl cellulose synergistically construct a stable film-forming system, and the stable film-forming system is compounded with an opuntia ficus-indica fruit extract, low-molecular sodium hyaluronate and panthenol to form a long-acting moisturizing network; meanwhile, multiple anti-aging active matters such as oligopeptide and roselle flower extract are integrated. The soft mask powder has the characteristics of rapid and smooth film formation, excellent moisturizing performance and remarkable anti-oxidation and anti-aging effects, does not contain preservatives, artificial pigments and spices, is safe and mild, and is suitable for professional nursing and daily anti-aging and moisturizing.

The invention discloses an improved oil-control moisturizing essential oil soap based on synergistic effect of Chinese herbal medicines and a preparation method thereof. The soap comprises 10% of winter mulberry leaf, 8% of motherwort, 6% of radix angelicae, 5% of ligusticum wallichii, 6% of bighead atractylodes rhizome, 7% of white poria, 4% of mung bean, 3% of ginseng, 2% of pearl, 18% of Chinese honeylocust fruit, 12% of castor oil and 12% of olive oil. The composition has the beneficial effects that the activity of 5alpha-reductase is inhibited by the flavonoid components of the winter mulberry leaves, and experiments show that the secretion amount of skin grease is reduced by 35% after the composition is used.

The invention belongs to the field of biological medicine, and discloses a mesenchymal stem cell-derived exosome and active factor secretion composition and a directional preparation method thereof. According to the method, umbilical cord tissues of healthy mammals are used as raw materials, primary stem cells are separated through enzymolysis, and amplification and passage are conducted to 3-5 generations through an alpha-MEM culture medium; a serum-free induction culture medium containing multiple functional components is adopted for directional induction, a conditioned culture medium is collected, gradient centrifugation and ultrafiltration concentration are performed, and the protein concentration is calibrated to be 2 mg / mL, so that a finished product is obtained. The product can synergistically realize moisturizing, anti-wrinkle and tightening effects. Specifically, the exosome and active factor secreted composition is a composite system which is obtained by separating and concentrating mesenchymal stem cells from a conditioned medium of the mesenchymal stem cells after the mesenchymal stem cells are directionally induced by the method and is mainly composed of the exosome, growth factors self-secreted by the stem cells, cell factors and macromolecular active protein.

This invention relates to the field of auxiliary equipment technology for refrigeration systems, and discloses a high-efficiency gas-liquid separator for refrigeration equipment and its separation process. The high-efficiency gas-liquid separator includes: a gas-liquid mixing spiral tube, the inlet of which extends outside the gas-liquid separation shell, and the outlet which is coiled above a conical separation hood. The gas-liquid mixing spiral tube achieves pre-separation of the gas and liquid phases, and centrifugal force is used to throw large droplets first toward the tube wall. Then, in conjunction with the conical separation hood, a secondary strong vortex field is formed, which further throws small droplets toward the inner wall and causes them to coalesce and fall, significantly improving the separation efficiency. The outer wall of the conical separation hood slides in contact with a scraper, which is linked to the impeller below through a long shaft rotation axis. A float ball is provided at the inlet of the liquid phase discharge pipe, and an impeller is installed between the float ball and the pipe opening of the liquid phase discharge pipe. During discharge, the liquid drives the impeller to rotate, and the long shaft rotation axis drives the scraper to continuously scrape off frost against the outer wall of the conical hood, preventing low-temperature frost from affecting the separation effect.

This invention belongs to the field of ceramic equipment manufacturing technology, and discloses a metallized ceramic shell for a vacuum interrupter and its processing technology. The process uses low-sodium α-alumina with 0.5~1μm grain size as raw material, and acid washing improves its chemical purity and grain boundary stability. During granulation, the moisture content is controlled to ≤0.1%, and homogenization is used to remove iron and eliminate conductive impurities. A drying process is added between pressing and turning to improve processing precision. Through programmed temperature sintering combined with atmosphere control, the crystal structure is optimized and organic matter and gases are expelled, avoiding closed pore defects. After firing, polishing reduces surface roughness and prevents dust adsorption and conductivity. The glazing process uses bentonite and silica to adjust the glaze viscosity, ensuring uniform glaze coverage and matching the thermal expansion of the ceramic body, improving the outer surface insulation performance. The synergistic effect of each step comprehensively improves the purity, density, and surface quality of the ceramic shell, effectively meeting the stringent insulation strength requirements of high-voltage vacuum interrupters.

A laundry treating apparatus is provided. In an embodiment, the laundry treating apparatus includes a treating chamber to accommodate laundry hung on a hanger, a hanger support portion to be located in the treating chamber and to support the hanger and to repeatedly perform a reciprocating motion between a first position and a second position, a driving portion to provide a driving force to reciprocate the hanger support portion, a heat exchanging device to remove moisture from air of the treating chamber, a steam supply portion to generate steam and to supply the generated steam to the treating chamber, and a control portion to control the driving portion and to control a vibration frequency of the reciprocating motion of the hanger support portion, the laundry treating apparatus including a first motion mode to drive so that the vibration frequency of the hanger support portion is maintained at a reference vibration frequency, and a fourth motion mode to drive so that the vibration frequency of the hanger support portion is varied above the reference vibration frequency.

The application belongs to the technical field of soil improvement, and particularly relates to a method for autumn and winter pressing and early spring plowing to increase soil moisture and control salt in saline-alkali land. In the winter soil freezing process of the water-deficient saline-alkali area, a large amount of water migrates from deep soil or underground water to the surface layer. After the soil freezing layer melts in the spring, the water content of the surface soil is significantly increased. The soil water and salt dynamic law in the soil freezing and thawing process is used to press the land by using a presser before the soil freezes in the winter, to improve the tightness of the soil and increase the proportion of soil pores of the rising water. The soil freezing process in the winter is used to promote the migration of deep soil water to the surface layer. In the early spring of the next year, a large plowing machine is used to plow the land deeply in the soil freezing layer melting and returning to the slurry period, to keep the high water content and low salt content of the plough layer. Combined with the micro-sowing of spring crops such as sorghum, oil sunflower and oat, the normal emergence and growth of the spring crops are ensured.

The invention relates to the technical field of green plant planting platforms, and discloses a health maintenance center shared landscape planting platform which comprises a supporting table, a planting box, a filtering assembly, a flow guide assembly, a drainage hopper and a puncture assembly. A water tank is arranged in the supporting table, the planting box is installed on the top of the supporting table, and the two filtering assemblies are arranged on the two water inlets respectively. The two flow guide assemblies are arranged in the containing space, and the drainage hopper is arranged in the containing space. One end of the puncture assembly is arranged at the second end of the adapter barrel, the drainage hopper is provided with a through hole, and the other end of the puncture assembly penetrates through the through hole of the drainage hopper. According to the structure, the water tank and the planting box are integrated, the occupied area of the shared landscape planting platform of the health and cultivation center is reduced, the condition that the ground is crowded is avoided, and meanwhile the functions of collecting filtered rainwater, preventing the rainwater in the water tank from being polluted and preventing the roots of plants from being rotten can be achieved.

The application provides a composition for improving skin moisture and antioxidation, a preparation method and application thereof, and relates to the field of food technology.The composition according to the application is composed of the following components in parts by weight: 35-75 parts of tremella polysaccharide, 40-80 parts of sodium hyaluronate, 20-40 parts of collagen tripeptide, 20-40 parts of opuntia dillenii extract, 5-15 parts of aronia melanocarpa powder, 5-15 parts of sacha inchi oil, 10-30 parts of medlar original paste and 1-3 parts of vitamin C; the opuntia dillenii extract is obtained by juicing opuntia dillenii, treating with lactobacillus acidophilus, lactic acid bacteria and cellulase and subcritical water extraction treatment, and has a high yield.The composition according to the application has significant water and moisture retention, increased skin elasticity and antioxidation performance.

The invention relates to the technical field of plant active ingredient extraction, and particularly discloses a method for efficiently preparing paeonol from moutan bark based on improved aqueous two phases. The method comprises the following steps: (1) extracting moutan bark powder in an aqueous two-phase system for 6-8 hours at 35-40 DEG C, and separating to obtain an upper phase solution rich in paeonol; wherein the aqueous two-phase system is composed of a sodium dihydrogen phosphate aqueous solution, tetrahydrofuran, ethanol and ethyl acetate, and the pH value of the sodium dihydrogen phosphate aqueous solution is 3.0-4.0; (2) sequentially carrying out vacuum concentration and drying on the upper-phase solution to obtain a paeonol crude product; and (3) recrystallizing the crude paeonol product for 4-6 hours by using a 70-75 vol% ethanol aqueous solution at 4-10 DEG C, filtering and drying in vacuum to obtain high-purity paeonol. The method provided by the invention can significantly improve the partition coefficient, yield and product purity of paeonol, reduce the use amount of the organic solvent and shorten the extraction time, has the advantages of environmental protection, simplicity, convenience, low production cost and the like, and is suitable for large-scale production.

The invention relates to the technical field of flexible electronic devices and wearable biosensing, in particular to a polyaniline fiber reinforced polyvinyl alcohol hydrogel flexible dual-mode sensor and a preparation method thereof. The preparation method comprises the following steps: preparing a thermoplastic polyurethane (TPU) solution into a TPU fiber film by utilizing an electrostatic spinning technology; the preparation method comprises the following steps: preparing a TPU / PANI / PVA composite conductive skeleton, immersing the TPU / PANI / PVA composite conductive skeleton in an aniline monomer solution, adding an oxidant to carry out an in-situ polymerization reaction, clamping the obtained TPU / PANI composite conductive skeleton in a polyvinyl alcohol (PVA) solution with the same upper volume and lower volume, carrying out freezing-unfreezing circulation treatment, immersing the obtained TPU / PANI / PVA composite hydrogel in the aniline monomer solution, adding the oxidant to carry out an in-situ polymerization reaction, and carrying out drying to obtain the TPU / PANI / PVA composite conductive hydrogel. And the flexible dual-mode sensor is manufactured. According to the invention, through a skeleton-network-matrix sandwich structure design, dual-mode sensing of tensile strain and pressure is realized in a homogeneous material.

The application belongs to the technical field of water purifying agent preparation, and provides a composite polyaluminum chloride water purifying agent and a preparation method thereof; first, polyaluminum chloride mother liquor with high polymerization degree is prepared by a high-temperature and high-pressure hydrothermal method as an inorganic skeleton, ferrous sulfide / magnetic iron oxide composite nanocrystal cores are hydrothermally synthesized by using ferrous sulfate heptahydrate, thiourea and trisodium citrate, and a cationic / anionic polymer composite template is constructed by using sodium lignosulfonate and cationic polyacrylamide, further, calcium and magnesium ions chelated by glycine are introduced to form a chemical precipitation precursor which can be released in water, and the above functional modules are sequentially added to the polyaluminum chloride mother liquor according to an optimized adding sequence, so that the nanocrystal cores, the polymer template and the calcium and magnesium precursor are orderly self-assembled in the mother liquor, and an integrated composite coagulant with coagulation, adsorption and chemical precipitation phosphorus removal functions is obtained.

The application discloses a kind of high-efficiency continuous separation and purification device and process of crude adipic acid process, belong to chemical separation technical field.The process aims at solving the problems of low efficiency, discontinuity, high moisture content of product, impurities, large wastewater discharge and other problems existing in traditional segmented separation process.The core of this process is to use a set of sedimentation, filtration, washing function in one of the sedimentation filter centrifuge, and the crude adipic acid slurry is continuously and integrally processed, and low-moisture, low-impurity filter cake is directly obtained.Meanwhile, the separated mother liquor and washing water are innovatively introduced into a monobasic acid removal tower in parallel, and after removing impurities such as monobasic acid, the purified liquid is returned to the system for recycling.The application realizes the great simplification of process flow, the continuous automation of production process, the significant improvement of product quality and the internal circulation of resources, and is especially suitable for large-scale industrial application of adipic acid production.

This invention belongs to the field of daily chemical products, specifically relating to a method for preparing hydrogenated castor seed oil and its skincare composition, comprising the following steps: S1. Crushing castor seeds and sieving them to obtain castor seed powder; S2. Treating the castor seed powder in a low-frequency pulsed electric field and intermittent microwave to obtain pretreated castor seed powder; S3. Mixing the pretreated castor seed powder with a compound enzyme preparation and performing subcritical extraction to obtain an extract; S4. Filtering the extract and distilling it to obtain a refined filtrate; S5. Mixing the refined filtrate with a palladium-on-carbon catalyst to obtain a semi-finished product; S6. Passing the semi-finished product through a fixed bed of activated carbon to obtain a primary filtrate, which is then filtered to obtain hydrogenated castor seed oil. The preparation method of this invention effectively retains the natural active ingredients in castor seed oil, thereby improving the effectiveness of the prepared hydrogenated castor seed oil, reducing organic solvent and heavy metal residues, and facilitating the application of hydrogenated castor seed oil in skincare compositions.

This invention discloses a method for improving the dewatering efficiency of antibiotic bacterial residue through hydrothermal carbon conditioning combined with high-pressure filtration. The method involves placing sludge in a hydrothermal reaction vessel and carbonizing it at a constant temperature of 180℃–280℃ for 0.5–6 hours. The hydrothermal carbon from the hydrothermal carbonization reaction is then added to antibiotic bacterial residue with a moisture content of 85–98 wt.%, and after thorough mixing with hydrogen peroxide to break down the cell walls, high-pressure filtration is performed to obtain the dewatered antibiotic bacterial residue filter cake. The hydrothermal carbonization technology proposed in this invention requires no additional reagents, and the preparation temperature is lower compared to traditional carbon materials. Compared to traditional thermal treatment dewatering of antibiotic bacterial residue, only a very small proportion of hydrothermal carbon is needed to achieve highly efficient dewatering of the antibiotic bacterial residue, further reducing costs. Furthermore, this invention achieves both efficient dewatering of antibiotic bacterial residue and safe disposal and resource utilization of sludge waste.

The invention belongs to the technical field of artificial boards, and relates to a manufacturing process of a high-water-content low-imbibition floor base material, which comprises the steps of glue mixing and applying, pre-pressing, hot pressing and the like. When glue is mixed and applied, waterproof low-melamine-proportion modified urea-formaldehyde resin (55-57% of formaldehyde, 31-35% of urea and 8-14% of melamine), a curing agent and a composite formaldehyde reducing agent are applied according to a specific formula. The resin is synthesized by adopting an alkali-acid-alkali-alkali four-stage process. In the pre-pressing step, microwave heating is adopted to heat the slab core layer to 60-70 DEG C; continuous hot pressing is adopted for hot pressing, and five-section temperature partition and four-section pressure distribution are optimized. Through the synergistic effect of a special resin formula, microwave preheating of a plate blank and optimization of a hot pressing process, on the premise that the use amount of melamine is remarkably reduced, the obtained floor base material obtains the low water absorption thickness swelling rate, meanwhile, the water content is increased to 6.0-7.0%, the size stability is better, the formaldehyde release amount is effectively controlled, and the service life of the floor base material is prolonged. The production efficiency is improved; and the cost is reduced.

This invention provides a compound microbial agent for improving saline-alkali soil, its preparation method, and its application, belonging to the field of microbial technology. Specifically, the compound microbial agent comprises the following components by weight: 20-30 parts of Bacillus subtilis, 10-15 parts of Bacillus licheniformis, 10-20 parts of Acinetobacter calcium acetate, 10-20 parts of Bacillus belyssus, 5-10 parts of Aspergillus niger, 1-3 parts of citric acid, 20-30 parts of biochemical potassium humate, 10-20 parts of water, 50-60 parts of rice husk, 2-5 parts of pig manure, 10-20 parts of fish meal, and 10-20 parts of soybean meal. The compound microbial agent provided by this invention promotes potato growth in saline-alkali soil environments, increases the water content of potato leaves, and improves the physical and chemical properties of the soil.

The application relates to a preparation method of an ultrasonic-assisted vacuum tumbling pickled tea-flavored beef jerky, and relates to the technical field of food processing. The application aims to solve the problems of difficult penetration of macromolecular functional components such as tea polyphenols in meat products, uneven distribution, limited efficiency of traditional tumbling, and insignificant improvement of the comprehensive quality of products. The method comprises the following steps: S1, raw material preparation; S2, ultrasonic treatment; S3, tumbling treatment; S4, pickling; S5, rinsing; S6, airing; and S7, air drying. The application realizes a unique moisture state of "high water content + low water mobility", realizes efficient flavor conversion of "low total amino acid + high flavor intensity", and realizes deep damage of muscle fibers, so that tenderness is obviously improved.