520results about How to "Increase moisture content" patented technology

The invention provides a plate-and-frame filter press, and belongs to the technical field of plate-and-frame filter presses. Comprising a filter press body, the driving assembly has reciprocating displacement along the length direction of the filter press body; the scraper assembly is connected to the filter press body in a sliding manner; the scraper assembly at least comprises a scraper; an included angle a is formed between the scraper and the gravity direction; the included angle a is increased or decreased according to the weight b of the filter cake; the moving distance L of the previous plate frame driven by the driving assembly is increased or decreased under the control of the weight b of the filter cake. The included angle of the scraping plates is adjusted according to the weight of a filter cake, smooth stripping of the filter cake is ensured, particularly, the filter cake with high water content and high weight can be scraped cleanly, residues are avoided, and abrasion of equipment is reduced by reducing unnecessary displacement distance and reducing friction between the guide rail and the plate frame.

The invention provides a method for precipitating nickel and cobalt in a solution containing nickel and cobalt and a cobalt nickel hydroxide product. The method comprises the following steps: step S100, carrying out a seed crystal pretreatment reaction on a nickel-cobalt-containing solution by adopting first nickel-cobalt precipitation underflow to form pretreated nickel-cobalt ore pulp; step S200, adding an alkaline precipitation inducer into the second nickel-cobalt precipitation underflow or the first nickel-cobalt precipitation overflow to carry out alkali conversion reaction to form alkali conversion crystal mush; s300, the pretreated nickel-cobalt ore pulp and alkali conversion crystal mush are continuously introduced into a reactor for a nickel-cobalt precipitation reaction, and nickel-cobalt precipitated ore pulp is obtained; step S400, continuously performing dense separation treatment on the ore pulp subjected to nickel-cobalt precipitation; s500, the third nickel-cobalt precipitation underflow is filtered and washed in sequence, a nickel-cobalt hydroxide product is obtained, and the problems that in the prior art, when nickel and cobalt are precipitated through a nickel-cobalt-containing solution, MHP is small in particle size and not prone to sedimentation, the water content of a filter cake is high, or the precipitation rate is poor, and the magnesium content is high before technical improvement are solved.

The invention discloses a control method and device of a fuel cell system, electronic equipment and a storage medium, and relates to the technical field of fuel cell system control. The method comprises the following steps: when a fuel cell system runs until a proton exchange membrane tends to be in a membrane dry state, determining that the fuel cell system is in a risk running state; when the fuel cell system is in the risk operation state, acquiring a single accumulated time length of the risk operation state; when the single accumulated duration is greater than a first threshold value, pulling and loading the fuel cell system from the current power to the target power so as to increase the water content of a proton exchange membrane in the fuel cell system; and after the fuel cell system reaches the target power, controlling the fuel cell system to recover to the current power for operation. According to the technical scheme, when the fuel cell system runs to the risk running state tending to dry the membrane, the running power can be increased in time, the water content of the proton exchange membrane is improved, and the stability of long-time and low-power running of the fuel cell system is improved.

The invention relates to the field of arid region oasis ecological protection, and discloses an arid region oasis protective barrier construction pattern and plant species configuration method, according to the characteristics of the arid region oasis structure, a protective barrier is laid, and according to the habits, uses and morphological characteristics of plants and the functional difference of different plants, the arid region oasis protective barrier construction pattern is constructed. Proper arbor, shrub and herbaceous plant configuration is carried out, and the method comprises the steps that a photovoltaic, mechanical sand stabilization and shrub and grass sand blocking belt is constructed in the edge zone of the desert, a windproof backbone forest is arranged at the junction of the desert and the oasis, forest network construction is carried out in a farmland area in the oasis, and greening and beautifying are carried out on the periphery and the interior of a residential area. By constructing a multi-layer and multifunctional oasis protection barrier system, desertification control and oasis protection system construction are achieved, regional economic development and biodiversity recovery are promoted, and the win-win situation of ecological benefits and economic benefits is achieved.

The invention provides recombinant IV-type collagen as well as a preparation method and application thereof, and relates to the technical field of biochemical engineering. The preparation method of the recombinant IV-type collagen comprises the following steps: obtaining a codon from amino acid of the recombinant IV-type collagen, further obtaining a target gene, and synthesizing the target gene onto an expression vector to obtain a plasmid; transferring the plasmid into an expression host, and screening a positive transformant to obtain an expression strain; and culturing the expression strain, and expressing the target protein to obtain the crude recombinant IV-type collagen. The high-purity recombinant IV-type collagen is prepared through a genetic engineering technology, and the recombinant IV-type collagen can significantly down-regulate inflammatory factors and reduce inflammation; heat injury can be reduced by up-regulating heat shock protein; after heat injury, the recombinant IV-type collagen can obviously lower metal matrix protease of heat injury cells, and also can obviously promote gene expression of type I collagen and type III collagen, improve skin elasticity and moisture content and delay skin aging.

The invention discloses a photocatalyst antibacterial hydrogel-based fresh-keeping material as well as a preparation method and application thereof, and belongs to the technical field of fresh-keeping materials. The photocatalyst antibacterial hydrogel-based fresh-keeping material is prepared from the following raw materials in parts by mass: 180 to 220 parts of water, 1 to 6 parts of graphite-phase carbon nitride, 10 to 20 parts of polyvinyl alcohol, 1 to 3 parts of carboxymethyl chitosan and 8 to 12 parts of tannic acid. The invention further discloses a preparation method of the photocatalyst antibacterial hydrogel-based fresh-keeping material and application of the photocatalyst antibacterial hydrogel-based fresh-keeping material in fruit fresh keeping. The photocatalyst antibacterial hydrogel-based fresh-keeping material disclosed by the invention solves the problems of potential toxicity, easiness in inactivation, poor fresh-keeping effect and poorer mechanical property of an existing fresh-keeping material, realizes long-time effective fresh keeping of high-moisture fruits, does not involve chemical reaction in the preparation process, is non-toxic, easily available and degradable in raw materials, and has excellent environmental friendliness.

The invention discloses a soil ecological restoration method suitable for plant transplantation and a plant transplantation method, and relates to the technical field of soil ecological restoration, and the method comprises the following specific implementation steps: S1, soil evaluation; s2, pollutant treatment; s3, soil improvement; s4, covering and protecting soil; in the step S1, the structure, texture, pH value, nutrient content, pollutant level and the like of the soil are comprehensively analyzed; the method comprises the following steps: testing the pH value and saline-alkali content of polluted soil needing planting, digging away soil with high saline-alkali content, and backfilling soil with low saline-alkali content; or an isolation system is arranged, materials such as lime and slag are used for isolating saline-alkali soil from alien soil, films and the like are transversely used for isolating surrounding saline-alkali soil, and the cost is low. According to the soil ecological restoration method suitable for transplanting the plants and the plant transplanting method, the water content and permeability of the soil are improved through layer-by-layer improvement of the soil, the physical properties of the soil are improved, and growth of the plants is facilitated.

The invention discloses a buccal nicotine product and a preparation method thereof, the buccal nicotine product comprises a nicotine composition and a permeation bag, the nicotine composition is packaged in the permeation bag, the permeation bag comprises a bag body and a moisturizing medium, and the moisturizing medium is used for keeping the humidity of the nicotine composition in the bag body. In the buccal nicotine product of the present application, the nicotine composition has a reduced risk of caking.

The invention discloses a drip irrigation device for agricultural irrigation, comprising a water pipe connected to a pump, the water pipe connected to the pump is connected to a number of irrigation mechanisms, the irrigation mechanisms are respectively connected to control mechanisms, the irrigation mechanisms are respectively connected to the control mechanisms, the irrigation mechanisms are provided with an irrigation bottom, an irrigation middle, and an irrigation top from bottom to top, the number of irrigation mechanisms and control mechanisms can be determined according to the conditions of agricultural land, the part inserted into the ground is designed to be in the form of a cross arrow, so that the insertion into the ground is more stable and not easy to topple over; by setting the control mechanism, the amount of water dripping into the ground can be controlled, which will not cause excessive water content in the root system and a decrease in yield; the device reduces agricultural irrigation costs, has low maintenance costs, and can still manually adjust the water output when the control mechanism is damaged, which is convenient and quick.

The invention belongs to the technical field of agriculture, and particularly relates to a method for improving thin, thin and hard black land to make nutrients and moisture efficiently utilized, in particular to a method for improving thin, thin and hard black land to make nutrients and moisture efficiently utilized. According to the method for improving the thin, thin and hard black land and improving the efficient utilization of nutrients and moisture of the thin, thin and hard black land, aiming at the characteristics of thin and hard land parcels, wide-narrow-row crop rotation, straw returning to the field and organic fertilizer applying are adopted, straw returning to the field and organic fertilizer applying are adopted to supplement soil organic matter, and a strip ploughing technology is adopted on a machine tool, so that the yield of the soil is increased; soil is not moved in a large area, and a strip tillage machine is only adopted to perform strip tillage operation at the seedling zone to form a seedbed structure with the upper part open and the lower part solid; an intertillage and deep scarification technology is adopted, a deep scarification machine for efficiently utilizing water and fertilizer in a thin and hard black soil area is used, a plow pan is broken, upper water and lower water are communicated, a rat channel component is arranged, a rat channel is formed after deep scarification, a small reservoir and a soil layer are formed below a plough layer, straw is fully returned to the field, organic fertilizer is additionally applied, and soil hardening and water and soil loss are reduced. The organic matter content and activity of the black soil layer are gradually recovered.

The invention provides a micro-pressure air fryer which comprises a sealed cooking cavity and a hot air assembly, the hot air assembly comprises a heating piece and a hot air fan, the hot air assembly conveys hot air into the cooking cavity to cook food, the cooking cavity is provided with a steam exhaust channel, steam generated in the cooking cavity is exhausted through the steam exhaust channel, and the volume of the cooking cavity is 3-10 L. The relation between the sectional area S of the steam exhaust channel and the power density phi of the air fryer meets S = K * phi, the value of K is 0.03-1 mm < 2 > / (W / L) so that the working pressure intensity of the cooking cavity can be maintained at 80-960 pa, and the power density is the ratio of the power of the heating piece to the volume of the cooking cavity. According to the air fryer, the influence of the volume of the cooking cavity, the heating power and the sectional area of the steam exhaust channel on the working pressure of the cooking cavity is fully considered, so that the working pressure of the air fryer designed according to the application tends to be consistent, and a user can adopt the same cooking process when cooking the same food material by using different types of air fryers; different types of air fryers have good cooking consistency.

The invention discloses eye cream containing a composition capable of improving eye skin problems and a preparation method of the eye cream, and belongs to the technical field of cosmetics. The eye cream provided by the invention contains a repairing composition, and the repairing composition is prepared from the following raw materials: an acer rubrum extract, a zingiber zingiberensis extract, a dendrobium officinale extract, a North American arbor pine bark extract and an epilobium fragile extract. The repairing composition provided by the invention has the effects of resisting aging, fading wrinkles and improving the migration rate of skin cells, and the whole repairing composition is mild and non-irritant; when being applied to the eye cream, the repairing composition can effectively resist aging, lighten wrinkles, improve skin elasticity and increase the water content of cuticle. In addition, the composition provided by the invention is natural in component source, simple in preparation method and suitable for actual production.

The invention belongs to the technical field of saline-alkali soil improvement, and relates to a coastal moderate-severe saline-alkali soil rain-fed dry-farming early-spring sesbania planting method which comprises the following steps: S1, deep rotation is performed on saline-alkali soil; s2, ridging, wherein ditching and ridging are conducted on the saline-alkali soil subjected to deep rotation; s3, punching holes in the ridge sides and forming water gathering pits arranged in a duckbilled shape, and then paving a mulching film on the water gathering pits; s4, holes are drilled in the side face of the water gathering pit in the vertical direction, a seeding channel is formed, then the sesbania seeds are sown into the seeding channel, the peripheries of the holes of the mulching film are covered with soil, a duckbilled structure is formed, and rainwater is guided by means of the mulching film to flow into the water gathering pit to be gathered; s5, forming a straw interlayer after the whole sesbania is returned to the field. Rainwater is gathered to the seeding channel through the mulching film, the amount of water capable of being absorbed by the sesbania seeds is increased, in addition, the mulching film can also achieve the effects of improving the soil temperature and preserving soil moisture, so that the sesbania can be planted in a rain-fed dry farming mode at the end of March, and the saline-alkali soil improvement period is shortened.

The invention belongs to the technical field of hydrogel materials, and discloses a carboxylated chitosan modified silicone hydrogel contact lens material and a preparation method thereof. The preparation method comprises the following steps: mixing a siloxane monomer, a zwitterionic monomer, a first cross-linking agent, an initiator and a first organic solvent, and carrying out polymerization reaction to obtain silicone hydrogel; and mixing the silicone hydrogel, carboxylated chitosan, a second cross-linking agent and a second organic solvent, and carrying out a cross-linking reaction to obtain the carboxylated chitosan modified silicone hydrogel contact lens material. The zwitterionic monomer is introduced into the siloxane monomer polymerization process, and the carboxylated chitosan is adopted to modify the silicone hydrogel, so that the protein adsorption resistance and antibacterial property of the contact lens material are effectively improved. Meanwhile, the raw materials are wide in source, the preparation method is simple and easy to operate, and large-scale industrial production can be achieved easily.

The present invention relates to the field of cosmetic technology, and in particular to a composition for regulating skin microecology containing a biological fermentation product and its application. The composition comprises inulin, micrococcal lysate, bifid yeast fermentation product lysate, rice fermentation product filtrate, lactobacillus / soybean milk fermentation product filtrate and water. The composition can effectively adjust the balance of skin microecology, and has excellent effects of removing wrinkles, preventing aging, and moisturizing.

The invention relates to a composition with soothing and moisturizing effects and application of the composition. The composition comprises a piper nigrum extract, an oat kernel extract, schizophyllan and tranexamic acid. According to the invention, when the kava pepper extract, the oat kernel extract, the schizophyllan and the tranexamic acid are creatively combined for use, synergistic interaction can be realized in the aspects of soothing skin, moisturizing and repairing skin barrier, and the soothing and moisturizing effects of the product are further improved. The composition with the soothing and moisturizing effects has the specific effects of increasing the water content of the skin, calming and soothing the skin, improving the facial redness condition and reducing the inflammatory response, is very suitable for skin care products, and is mild, free of irritation and good in stability.

The invention relates to the technical field of soil body repairing, and discloses a method for repairing heavy metal polluted sludge, which comprises the following steps: by taking an iridium tantalum coating titanium electrode as an anode and a conductive electrode as a cathode, adding a complexing agent into heavy metal polluted soft soil, putting one end of the anode and one end of the cathode into the heavy metal polluted soft soil, after the other ends of the two ends are jointly and electrically connected with a power source, the soft soil polluted by the heavy metal is subjected to soil body restoration and soil body reinforcement by adopting a vacuum combined intermittent multi-stage step-by-step pressurization electroosmosis technology; the vacuum combined intermittent multistage step-by-step pressurization electroosmosis technology comprises the following steps: under vacuum, applying voltage to heavy metal polluted soft soil step by step through a power supply, an anode and a cathode, and carrying out electroosmosis by adopting power-on and power-off intermittent treatment. According to the method, vacuum preloading, electroosmosis reinforcement and electrodynamic remediation are combined, heavy metal ions in the heavy metal polluted soft soil are removed, and the heavy metal polluted soft soil is subjected to soil body reinforcement.

The invention relates to a method for composting by adopting hermetia illucens fecula. The method comprises the following steps: collecting hermetia illucens fecula and biological wastes; the method comprises the following steps of: mixing the raw materials, so that the carbon-nitrogen ratio in a mixture is (20-30): 1, spraying a microbial complex microbial inoculant, adding glucose, monopotassium phosphate, polysorbate, ferrous sulfate, manganese sulfate and copper sulfate, fully mixing, piling, covering with a heat-insulating film, and sealing to obtain a primary compost; collecting hollow bricks, laying a first hollow brick layer on the plane, enabling pores of the first hollow brick layer to be parallel to the horizontal plane, turning the primary compost to the first hollow bricks to form a first compost layer, flattening, laying a second hollow brick layer, sequentially carrying out the steps for a plurality of times until composting is completed, and covering the periphery of a compost body with a heat-insulating film to form the compost. And keeping for 10-30 days. The method can increase the abundance and strength of microbial metabolic pathways, increase the composting temperature, prolong the high-temperature time of the compost, accelerate the decomposition of the compost, and realize the harmlessness of the black soldier fly feces.

The invention discloses a double transition metal / chitosan-based carbon aerogel composite material and a preparation method and application thereof.The method comprises the steps that a nitrogen source and transition metal salt are added into a hydrochloric acid solution of chitosan, stirred, dissolved and evenly dispersed to prepare a mixed solution, the mixed solution is subjected to freeze drying, and the double transition metal / chitosan-based carbon aerogel composite material is obtained. Chitosan aerogel containing transition metal and a nitrogen source is prepared; the transition metal salt is any two of ferric salt, cobalt salt and nickel salt; the chitosan aerogel containing the transition metal and the nitrogen source is placed in a methanol solution of 2-methylimidazole, after vibration treatment and drying, the chitosan aerogel is placed in a nitrogen atmosphere to be subjected to heat treatment, and the double-transition-metal / chitosan-based carbon aerogel composite material is prepared. The preparation method is simple and reasonable in design, the prepared material has good specific surface area and porosity, the formed metal-nitrogen double active center effectively improves the adsorption performance of the material, and the material has good catalytic performance.

The invention relates to a composition for relieving, repairing, tightening and resisting wrinkles as well as a preparation method and application of the composition. The composition is composite fermented oil obtained by fermenting vegetable fat by adopting a combination of enterococcus monteilii and pichia pastoris. In the fermentation process, lemon leaves and pseudo-ginseng leaves are added at the same time, and microbial fermentation liquor with special effects is prepared; and then mixing the fermentation liquor with silybum marianum seed oil, green tea oil, jojoba oil, macadamia nut oil, hazelnut oil and rice germ oil to prepare the compound fermentation oil. According to the method, the glycolipid surfactant is creatively added in the fermentation process, so that full contact and fermentation of the microbial bacterial liquid and the vegetable oil are remarkably promoted, and the problem that the microbial bacterial liquid and oil are difficult to mix in the vegetable fat fermentation process is solved, so that the contact efficiency between microorganisms and the vegetable oil is improved; the biotransformation efficiency is improved; furthermore, the content of flavonoids and polyphenols in the fermented oil is increased, and the moisturizing, whitening, soothing, tightening and anti-wrinkle properties of the fermented oil are enhanced.

The invention discloses an improvement method of sludge soft soil layer shield muck, and belongs to the technical field of shield tunnel construction muck improvement. Metakaolin, blast furnace slag, lignosulfonate and nano silicon dioxide powder are mixed to prepare a mixed raw material, the mixed raw material is pumped into a muck bin, then an alkali-activated solution is pumped into the muck bin, and the mixed raw material is stirred to be uniform; and after mixing and stirring, adding anionic polyacrylamide powder and bentonite, and continuously stirring until a gel system is generated, thereby completing muck improvement. According to the invention, sodium hydroxide and sodium silicate are used as alkali-activated solutions to activate a gel system, blast furnace slag provides a large amount of silicon elements and aluminum elements, and metakaolin contains silicon, aluminum and calcium elements to improve the strength of the gel system; during use, the two raw materials are separated, so that the two raw materials are prevented from reacting in advance before reaching a muck bin to generate gel, and pipeline blockage is avoided; the anionic polyacrylamide and the bentonite are matched, so that the permeability is improved, the drainage of water is facilitated, and the occurrence of spewing is effectively prevented.

The invention relates to the technical field of fabric preparation, and provides a moisture-absorption self-heating type light and thin warm-keeping chinlon fabric and a preparation method thereof.The moisture-absorption self-heating type light and thin warm-keeping chinlon fabric is prepared by preparing a polyamide spinning solution and a composite polymer spinning solution and combining a polymer with moisture absorption performance with nanoparticles; the moisture absorption and heat generation characteristics of the nanoparticles and the moisture absorption performance of the polymer matrix interact, and the polyamide spinning solution and the composite polymer spinning solution are spun to prepare polyamide fibers and composite fibers. Wherein the polyamide fiber yarn is used as warp yarn, the composite fiber yarn is used as weft yarn, spinning is carried out, and the moisture absorption self-heating type light and thin warm-keeping chinlon fabric containing the nano-particles is prepared. The prepared moisture-absorbing and self-heating type light and thin warm-keeping chinlon fabric can provide good moisture-absorbing and self-heating effects on the premise that the characteristics of light-weight fabric are reserved.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a hydrophobic nano oxide solid electrolyte as well as a preparation method and application thereof. Compared with the prior art, the method has the advantages that an airflow crushing method is adopted, a halogenated hydrocarbon and inert gas mixed gas source is used as jet airflow, and secondary agglomerated powder is depolymerized again, so that the purposes of nanocrystallization and hydrophobicity are achieved; meanwhile, the halogenated hydrocarbon is subjected to molecular bonding with groups on the surface of the powder in the process, hydrophobic M-O-R (M represents a metal element and R represents alkyl) is formed on the surface, and finally the low-moisture solid electrolyte is obtained; and the nano solid electrolyte powder subjected to hydrophobic treatment is less in agglomeration, easy to disperse, good in powder fluidity, low in water content and low in water absorption in air and water, so that a nano solid electrolyte coating diaphragm prepared from the nano solid electrolyte powder has the advantages of low water content, low drying temperature, good battery high-temperature performance and the like.

The continuous insect breeding system comprises a plurality of breeding tanks, an insect material inlet and outlet device, a water and air supply device and the like, water is supplied upwards and downwards from the middle breeding tank, and two independent water supply channels are formed; air is supplied upwards from the bottommost breeding tank and exhausted after passing through the topmost breeding tank. The water storage device of one breeding tank comprises a water flow channel plate with a plurality of parallel grooves, the water flow channel plate and water distribution pipes on the two sides are installed below a tank body transverse plate together and connected with a water receiving opening through the water distribution pipes, and the water receiving opening, the water distribution pipes, the water flow channel plate and the transverse plate form a plurality of independent water flow channels. Through reverse air supply, bottom-layer materials are quickly dried, and the situation that larva eating is reduced due to the fact that upper-layer foodstuff is too quickly dried is prevented; cooling water enters from the middle and is discharged from the top layer and the bottom layer, heat generated by the middle breeding tank can be effectively taken away, meanwhile, the top layer breeding tank and the bottom layer breeding tank are heated, the activity of larvae in the top layer breeding tank is improved, and evaporation of water of materials in the bottom layer breeding tank is accelerated.

The invention relates to the technical field of lithium ion batteries, and discloses a diaphragm binder capable of resisting heat of more than 180 DEG C as well as a preparation method and application of the diaphragm binder. The diaphragm binder disclosed by the invention is prepared from the following components in parts by weight: 40 to 42 parts of acrylic acid, 100 to 110 parts of acrylamide, 30 to 32 parts of a soft monomer, 20 to 22 parts of a hydrophobic monomer, 10 to 12 parts of a self-crosslinking monomer, 0.2 to 0.25 part of an initiator, 20 to 22 parts of sodium hydroxide and 800 to 900 parts of deionized water. The heat-resistant diaphragm binder disclosed by the invention is good in heat resistance, capable of being cured at low temperature, good in adhesive force, low in moisture content, simple in preparation method, green and environment-friendly in raw material, and good in application prospect in preparation of lithium ion battery diaphragms.

The invention discloses a furnace rear flue gas water-cooling comprehensive temperature control system and a matched cooling water amount control method, and particularly relates to the technical field of flue gas purification and environmental protection, the furnace rear flue gas water-cooling comprehensive temperature control system comprises a semi-dry desulfurization tower, a cyclone dust collector, a bag-type dust collector and a low-temperature SCR denitration device of which the output ends are sequentially communicated in series; the outlet flue of the cyclone dust collector and the inlet flue of the bag-type dust collector are respectively and fixedly communicated with a communicating flue which is connected with an electric air door in series, and the surface type water-cooling flue gas cooling system comprises a water-cooling flue gas cooler which is at least communicated with a cooling water supply pipeline. A comprehensive temperature control system combining a surface type water cooling flue gas cooling system and a flue gas emergency water spraying cooling system is adopted, a matched cooling water amount control algorithm is formulated from the enthalpy value heat balance principle, the surface type cooling water flow and the spraying water amount are accurately controlled, it is effectively ensured that the boiler rear flue gas temperature meets the flue gas purification process requirement, and the boiler rear flue gas purification efficiency is improved. Meanwhile, heat released in the flue gas cooling process is recycled, and the circulating efficiency of the power plant is further improved.

The invention provides whitening and moisturizing essence as well as a preparation process and application thereof, and belongs to the technical field of cosmetics. The essence is prepared from tranexamic acid, nicotinamide, macromolecular hyaluronic acid, micromolecular hyaluronic acid, hexapeptide-2, an althaea rosea flower extract, a rhodiola sachalinensis extract, a glycyrrhiza glabra extract, a coast pine needle extract, a polyhydric alcohol humectant, vegetable fat and the like. Wherein the hollyhock flower extract, the rhodiola sachalinensis extract, the glycyrrhiza glabra extract and the coast pine needle extract are respectively obtained by adopting a special enzymolysis method. The tranexamic acid and the nicotinamide are used for synergistically whitening, the hyaluronic acid, the polyhydric alcohols and the vegetable fat are used for jointly moisturizing, the plant extract is used for enhancing oxidation resistance, whitening and safety, the components are ensured to be uniform and stable through a reasonable preparation process, and the effect of the essence is favorably improved.

The invention relates to the technical field of greening protection devices, and particularly discloses a railway civil engineering greening protection device which comprises a side slope rock body, a water storage ditch arranged at the slope top of the side slope rock body, a retaining wall and a drainage ditch, and the retaining wall and the drainage ditch are arranged at the slope toe of the side slope rock body. Grid beams and drainage facilities are arranged on the slope surface of the slope rock mass, green plants are planted in the grid beams, the drainage facilities comprise drainage ditches and drainage tank assemblies, the drainage ditches are arranged along the slope surface of the slope rock mass, and the tail ends of the drainage ditches can guide water to drainage ditches. The drainage groove assembly is arranged on the grid beam and can guide water in the grid beam to the drainage ditch, the lower portion of the water storage ditch is communicated with a plurality of drip irrigation pipelines, the drip irrigation pipelines are buried in the slope rock mass and located below the green plants, and a plurality of drip irrigation holes are formed in the lower portions of the drip irrigation pipelines. According to the method, slope stability is protected, vegetation growth is promoted, and harmony and unification of ecological restoration along the railway, environmental beautification and slope protection are achieved.

The invention discloses a high-moisture nano-type soil conditioner and a preparation method thereof, and belongs to the field of fertilizers. The high-moisture nano-type soil conditioner is prepared from the following components in parts by weight: urea, monopotassium phosphate, potassium nitrate, anhydrous magnesium sulfate, zinc sulfate, a composite nano-type water-retaining agent and organic matter modified attapulgite. The organic matter modified attapulgite and the composite nano-type water-retaining agent are added into the soil conditioner, so that the water storage capacity of soil is improved, a good soil structure foundation is provided for the organic matter, and adsorption and permeation of water are promoted; the modified attapulgite and the water-retaining agent further enhance the water absorption, storage and release capabilities of the soil; the modified attapulgite and the composite nano water-retaining agent can form a water buffer reservoir in the soil, provide water under drought conditions, absorb excess water under rainfall conditions, maintain proper water content of the soil and improve the soil moisture content of the soil.

According to the technical scheme, the device and method are characterized in that the device comprises a femtosecond stimulated Raman spectrometer body, supporting frames are fixedly installed on the two sides of the femtosecond stimulated Raman spectrometer body respectively, a side plate is arranged on one side of each supporting frame, a baffle plate is arranged on one side of each side plate, and the femtosecond stimulated Raman spectrometer body is fixedly installed on the other side of each supporting frame. The femtosecond stimulated Raman spectrometer comprises a femtosecond stimulated Raman spectrometer body, a supporting frame, a side plate, a shielding plate, a transparent plate, an operation column, a temperature rising frame, a heating wire, a blocking net, a metal net, a supporting frame and a micro fan which are matched for use; the femtosecond stimulated Raman spectrometer prevents the high-humidity environment from condensing water vapor on the surface of an optical element of the femtosecond stimulated Raman spectrometer body to influence light path transmission and signal intensity, and prevents the moisture content in a sample from being increased due to the increase of humidity, so that the molecular structure and the vibration mode of the sample are changed to influence generation and transmission of Raman signals.