15results about How to "Good sustained release effect" patented technology

The invention discloses a production method of distiller's grain fermentation liquid fertilizer specially applied to roxburgh rose. The distiller's grain fermentation liquid fertilizer is prepared bythe step of evenly mixing 50 to 80 parts of distiller's grain fermentation extracting solution, 0.5 to 1 part of microelement, 5 to 10 parts of seaweed meal, 5 to 10 parts of natural active organism,2 to 5 parts of potassium bicarbonate, 2 to 5 parts of natural active organism and 2 to 5 parts of natural surface active agent. A preparation method of the distiller's grain fermentation extracting solution comprises the steps: evenly stirring 50 to 80 parts of distiller's grain, 50 to 150 parts of rice washing water, 1 to 2 parts of EM microflora fermentation liquid and 0.5 to 1 part of sugar, performing composting fermentation at the room temperature to obtain a distiller's grain fermentation material, stirring and extracting through a sodium carbonate water solution, filtering and performing evaporation and condensation on obtained filtrate until the density is 1.1 to 1.2 to obtain distiller's grain fermentation extracting solution. The distiller's grain fermentation liquid fertilizerdisclosed by the invention has a good use effect, meanwhile can effectively prevent pest and disease damage to the roxburgh rose and is high-efficiency environment-friendly liquid fertilizer.

The application belongs to the technical field of fertilizers, and particularly relates to a humic acid organic-inorganic compound fertilizer with slow release and improved fertilizer utilization rate and a preparation method thereof. The humic acid organic-inorganic compound fertilizer comprises the following raw materials in parts by weight: 22-30 parts of biogas residue, 35-55 parts of humic acid, 8-13 parts of fine columnar algae powder, 5-8 parts of urea, 12-17 parts of ammonium sulfate, 12-15 parts of superphosphoric acid calcium, 15-20 parts of potassium sulfate and 10-15 parts of slow release coating suspension. Test results show that the humic acid organic-inorganic compound fertilizer with slow release and improved fertilizer utilization rate prepared by the application can reduce the nitrogen and phosphorus release rates of the humic acid inorganic compound fertilizer, has better slow release effect, significantly promotes the plant height, stem diameter and root length of soybeans and corn, has obvious growth promotion effect, and has wide application prospect.

The utility model discloses a medical dressing with medicine loading groove, medical dressing includes polyurethane film and antiseized layer, be equipped with a plurality of medicine loading groove on the polyurethane film, be equipped with hydrogel layer in the medicine loading groove, fill in the medicine of hydrogel layer, one side of the antiseized layer with polyurethane film is equipped with medicine loading groove and is close -fitted. The utility model discloses medical dressing is equipped with medicine loading groove on polyurethane film, fills hydrogel layer in medicine loading groove inner chamber, and the medicine is loaded in hydrogel, can promote the slow -release capacity of medical dressing. The medicine is distributed on the slow -release skeleton, and the slow -release skeleton is prepared through three -dimensional micro -nanometer printing, and the inner chamber is hollow, and the shape of slow -release skeleton is customized according to the shape of medicine loading groove, makes the quantity of slow -release skeleton in medicine loading groove maximization, forms medicine -skeleton load structure, can accommodate more medicine in medicine loading groove to good slow -release effect.

This invention provides a drug-loaded halloysite material, its preparation method, and its application. The drug-loaded halloysite material is prepared from halloysite, a drug, and an encapsulation material. Halloysite has good loading and sustained-release effects on drugs such as ciprofloxacin, diclofenac sodium, and nicotinic acid. Encapsulation with the encapsulation material further delays the release of the drug, resulting in slow release in the intestine and stomach, achieving targeted and controlled release. In addition, its preparation method is simple and can achieve rapid encapsulation, further avoiding drug loss during the encapsulation process. It can be used in the biomedical field, especially in the application of sustained-release drugs and intestinal targeted drug delivery, showing good application prospects.

The present application relates to plaster preparation technical field, disclose a kind of traditional Chinese medicine combination formula of dissolving blood stasis and reducing swelling and preparation process thereof, including dragon's blood 60 parts, xiaoshang 60 parts, chuanqiong 60 parts, red shao 60 parts, baizhi 60 parts, sea scallop 60 parts, raw dahuang 60 parts, purple jingpi 60 parts, gusuibu 60 parts, safflower 30 parts, xiaocin 30 parts, angelica 90 parts, prepared frankincense 90 parts, prepared myrrh 90 parts, mulberry bark 120 parts, artificial musk 10 parts, sesame oil 1200 parts, yellow wax 300 parts.The plaster provided by the present application can promote blood circulation to remove blood stasis and relieve pain, is suitable for long-term use for joint sprain without open wound and purplish swelling and pain, and the action time is up to 48 hours, can kill bacteria and relieve itching when being pasted on the skin of patient, prevent allergic reaction and bacterial infection caused by too long pasting time.

This invention discloses a starch-plant polyphenol cocrystal, its preparation method, and its application in functional foods, relating to the field of functional food technology. The preparation method includes: S1, mixing starch and plant polyphenols uniformly to obtain a mixture; S2, adding the mixture to a low-temperature impact mill, adding grinding media, and introducing an inert gas into the low-temperature impact mill to subject the mixture to impact treatment, obtaining a cocrystal complex; S3, purifying and freeze-drying the cocrystal complex to obtain the starch-plant polyphenol cocrystal. This invention innovatively uses wheat starch and proanthocyanidins to form a cocrystal structure, resulting in a simpler and more efficient preparation process, eliminating the need for complex physical field treatments or multiple freeze-drying steps, and maximizing the preservation of polyphenol activity. The cocrystal structure endows the carrier with excellent sustained-release performance, enabling long-term release of polyphenols in functional food applications, solving the problems of unstable loading rates and poor sustained-release effects in existing technologies.

This invention provides a method for preparing a scale-inhibiting and bactericidal water treatment material, belonging to the technical field of water treatment materials. The method includes the following steps: adding PSI and water and stirring to disperse; adding L-histidine and NaOH; heating and reacting to obtain a histidine-modified polyaspartic acid solution; adjusting the pH to neutral; adding ferric ammonium citrate and ascorbic acid; stirring and reacting to obtain an iron-containing complex mixed solution; dissolving β-cyclodextrin in water; adding succinic anhydride and reacting; then adding an ε-polylysine aqueous solution; using EDC and NHS as condensing agents; stirring and reacting; dialysis and filtration to obtain a polylysine-cyclodextrin complex solution; adding the polylysine-cyclodextrin complex solution dropwise to the iron-containing complex mixed solution; ultrasonically stirring; adding sodium citrate and molten PEG-6000; heating and mixing; extruding; and drying to obtain the finished product. The scale-inhibiting and bactericidal water treatment material obtained by this invention can achieve efficient scale inhibition while also possessing bactericidal function, and its components are safe and environmentally friendly.

The application relates to the technical field of supramolecules, in particular to a pillar[n]arene derivative-DCOIT slow-release supramolecular self-assembly body, application and a preparation method. The supramolecular self-assembly body loads DCOIT by taking a pillar[n]arene derivative as a molecular carrier; the pillar[n]arene serving as the carrier can form a supramolecular assembly body with DCOIT through hydrogen bond interaction between pi and CH2, the host-guest complexation of the two is strong, and the pillar[n]arene derivative can effectively control the slow release of DCOIT; the supramolecular self-assembly body is good in safety and stability, low in cost, beneficial to industrialized production, and wide in application field; the method is simple in operation, low in preparation cost, easy to realize, and beneficial to industrial promotion.

The invention discloses a Rurugolil long-acting preparation composition as well as a preparation method and application thereof. The composition comprises an active medicine and at least one suspending aid. The Rurugolil long-acting preparation composition has an excellent slow-release effect, the administration interval can be prolonged to 7-90 days per time from 1 day per time, and the bioavailability, the compliance and the safety of a patient are remarkably improved. The pharmaceutical composition disclosed by the invention has the advantages of high preparation stability, simple prescription, controllable preparation process and capability of realizing industrial production amplification.

The application belongs to the technical field of fertilizers, and particularly relates to an environment-friendly urea slow-release fertilizer and a preparation method thereof. The preparation method of the urea slow-release fertilizer comprises the following steps: S1. Modified sodium-based montmorillonite is added to water, and a modified sodium-based montmorillonite suspension is obtained after ultrasonic dispersion; urea and puhuizi polysaccharide are uniformly mixed and preheated to obtain mixed particles; S2. The modified sodium-based montmorillonite suspension is sprayed on the surface of the mixed particles, and the environment-friendly urea slow-release fertilizer is obtained after drying. The method is simple and easy to operate, and the obtained fertilizer has excellent slow-release performance.

The application belongs to the technical field of microbial fertilizer, and particularly relates to an environment-friendly biological organic fertilizer and a preparation method thereof.The environment-friendly biological organic fertilizer comprises the following raw materials in parts by weight: 70-90 parts of fermented organic matter, 8-13 parts of microbial agent and 10-15 parts of coated suspension.The test results show that after the environment-friendly biological organic fertilizer is applied to soil, the growth of crops can be effectively promoted, the yield of crops is improved, the nutritional quality and edible safety of crop fruits are significantly improved, and the environment-friendly biological organic fertilizer has a wide application prospect.

This application relates to the field of insecticide technology, specifically to a slow-release insecticidal suspension and its preparation method. The insecticidal suspension comprises the following raw materials in weight percentages: 8%–30% thiamethoxam, 7%–20% lambda-cyhalothrin, 0.1%–2% slow-release agent, 3%–10% emulsifier, 1%–5% dispersant, 1%–5% silica, 1%–5% activated clay, 0.1%–2% xanthan gum, and water to 100%. The dispersant includes a first dispersant and a second dispersant; the first dispersant is sodium lignosulfonate, and the second dispersant is one or both of sodium maleic acid-acrylic acid copolymer and sodium naphthalenesulfonic acid formaldehyde polymer. The slow-release insecticidal suspension of this invention avoids Austronesian maturation, has good dispersibility, can be processed into high-concentration formulations, has low packaging costs, good stability, long shelf life, high suspension rate, and good slow-release effect.

This utility model discloses an adjustable underwater feed slow-release device, including: a feed propulsion device and a feed storage device detachably installed on one side of the feed propulsion device. The feed storage device includes a shell, a storage chamber, and an output pipe. The storage chamber is located on one side of the feed propulsion device, and the output pipe is located on the side of the storage chamber away from the feed propulsion device. The shell is sleeved around the storage chamber and the outer periphery of the output pipe. The output end of the output pipe is fish-mouth shaped and has an observation window. The storage chamber has multiple through holes, which allows the feed slow-release device to quantify and continuously replenish feed additives, making the slow-release effect of feed additives more uniform and long-lasting, improving the effect and efficiency of feed additive slow release, and reducing the slow-release mixing cost of feed additives. At the same time, the feed slow-release device can be precisely dispensed by a fan blade driven by a motor.

The application provides a multifunctional high-efficiency carbon fixation fertilizer based on iron-based nanoparticle addition and a preparation method thereof, and belongs to the technical field of agricultural fertilizers.The application realizes the organic combination of organic fertilizer and inorganic fertilizer through the multi-element compounding of raw materials, can effectively promote the conversion of organic matter in the organic fertilizer into soil organic matter by adding iron-based nanoparticles such as nano-Fe3O4 or nano-zero-valent iron as the main representative under the condition of ensuring sufficient supply of crop nutrients, and significantly improves the soil carbon fixation capacity.The application does not reduce the efficacy of microbial agents and humic acid, can improve soil microbial activity, is environmentally friendly, can promote plant growth and development, and improves crop yield and quality.The multifunctional fertilizer prepared by the application has good fertilizer slow-release effect, long slow-release time, simple preparation method, low cost, and good popularization and application value.

The application discloses a high-stability peach gum polysaccharide nanoemulsion loaded with hydrophobic functional molecules and a preparation method thereof, and relates to the field of natural polymer materials and nanotechnology. The peach gum polysaccharide is chemically modified by thioctic acid, the balance of hydrophilicity and hydrophobicity in the molecular structure is effectively regulated, and thus the peach gum polysaccharide is endowed with excellent self-emulsifying capacity. A plurality of hydrophobic functional components can be efficiently loaded without additional addition of synthetic emulsifiers, the obtained nanoemulsion system is uniform and stable, and has good biocompatibility and slow-release performance. The emulsification and active component loading process are integrated in one step, the process flow is simplified, the loss of active components in multi-step operation is effectively avoided, the preparation efficiency and practicability are significantly improved, and a new way is provided for efficient and safe delivery of natural functional components.