10results about How to "Lower the target" patented technology

The invention discloses a rheumatoid arthritis diagnosis product and system and application thereof, and relates to the technical field of rheumatoid arthritis. The diagnostic marker comprises calcium, a ratio of arginine to ornithine, a ratio of phenylalanine to tyrosine, an anti-cyclic citrullinated peptide antibody and lysine. The invention provides a biomarker capable of accurately diagnosing rheumatoid arthritis RA, which comprises five indexes, namely calcium, the proportion of arginine to ornithine, the proportion of phenylalanine to tyrosine, an anti-cyclic citrullinated peptide antibody (anti-CCP) and lysine. The five indexes have the technical advantages of few indexes and excellent diagnosis performance. A diagnosis model constructed based on the five indexes has good sensitivity, specificity and accuracy. The kit can be used for diagnosis of rheumatoid arthritis.

This invention discloses a method and system for treating landfill leachate stock, belonging to the field of wastewater treatment technology. The method includes the following steps: first, adding an appropriate amount of acid to the landfill leachate and stirring until homogeneous to obtain an acidic solution with a pH value below 1.5; then, adding silicate cement to the acidic solution in one go or in small amounts multiple times, mixing thoroughly, and allowing it to settle until solids precipitate before discharging the liquid to the external environment or transporting it to the next process. The total amount of silicate cement added is 6%-10% of the mass of the acidic solution. This method can simultaneously treat TP, TN, and NH3 in landfill leachate. 3 Removal of -N and COD, TP, TN, NH 3 The removal rate of nitrogen (-N) can reach over 75%, and the COD removal rate can reach over 30%. The levels of recalcitrant organic macromolecules and benzene ring compounds are significantly reduced. The organic matter in the water sample is reduced, and the molecular structures are simpler and smaller, which is beneficial for biological decomposition and utilization. The system has a simple structure, is easy to use, and significantly reduces water treatment costs.

This invention discloses a strain of *Lactobacillus salivarius* CCFM1332 with multi-target regulatory effects and its application in periodontitis, belonging to the field of microbial technology. This invention yields a strain of *Lactobacillus salivarius* CCFM1332, which not only has vaginal immunomodulatory effects but also alleviates periodontitis. Specifically, it can: promote the secretion of antimicrobial peptides by vaginal epithelial cells VK2 / E6E7; reduce the periodontal probing depth in rats with periodontitis; reduce the number of pathogenic bacteria in the oral cavity of rats with periodontitis; downregulate the levels of serum inflammatory factors IL-1β, IL-6, and IL-17A; and reduce alveolar bone loss in rats with periodontitis, effectively alleviating alveolar bone resorption in rats.

The invention relates to the technical field of safe, efficient, energy-saving and environmentally friendly discharge of water plants, and in particular to a system for safely reusing sludge water discharged from a water supply plant, comprising: a drainage pool (1) transformed by air flotation, a sludge drainage pool, a concentration pool, a supernatant ultrafiltration membrane treatment subsystem (2) of the concentration pool, a sludge balancing pool, a sludge dewatering room (3), a dewatering liquid regulating pool (4), a dewatering liquid ultrafiltration membrane treatment subsystem (5), a biological activated carbon filter pool (6) and a tail water recovery pool (7); a corresponding method is also disclosed, which adopts a combined process of air flotation transformation + ultrafiltration membrane treatment + biological activated carbon filter pool, and sets a treatment process in a targeted manner according to the different target pollutants of the drainage pool, the supernatant of the concentration pool and the sludge dewatering liquid. By optimizing micro-nano ceramic membranes and 3D printing customized granular activated carbon measures, it is ensured that the purification effect of the supernatant of the concentration pool and the sludge dewatering liquid is stable and reliable, and the sludge water discharged from the water supply plant is ensured to be safely reused, so as to achieve the "zero emission" operation goal of the water supply plant.

The invention discloses a method for reducing TOC (total organic carbon) index by using a regenerated extraction agent, which comprises the following steps: taking concentrated acid, standing and clarifying for 2 days, taking supernatant liquid for experiment after clarifying, taking a system no-load extraction agent and 10% sodium hydroxide according to a volume ratio of 1: 1 for extraction and phase separation when the solid content is less than 0.5% at the moment to obtain a regenerated ester phase; washing the obtained regenerated ester phase with desalted water according to the volume ratio of 1: 1 until the regenerated ester phase is neutral, washing for 4 times for later use, extracting the regenerated ester phase and the concentrated acid to obtain raffinate acid and a loaded ester phase, carrying out reverse extraction on the obtained loaded ester phase to obtain reverse extraction acid and a no-load ester phase, and detecting the obtained reverse extraction acid. The method disclosed by the invention has the beneficial effects that the time for extracting and splitting phases by utilizing the regenerated extracting agent is shortened, TOC in the regenerated reverse extraction acid is only 1 / 4-1 / 5 of that before regeneration, carried organic matters are greatly reduced, indexes of F and Fe are also greatly reduced except TOC, the ester phase extraction capability after regeneration is enhanced, and phosphoric acid extracted in the reverse extraction process is also easily reversely extracted.

The application discloses a catalyst, a preparation method thereof, and a process and equipment for synthesizing NS by oxidation. The activated carbon loaded composite catalyst claimed by the application comprises a main catalyst and an auxiliary catalyst, wherein the main catalyst is 2,4,6-trihydroxy pyrimidine, and the auxiliary catalyst is one or both of stannous oxide and palladium suboxide. In the application, the main catalyst and the auxiliary catalyst can be more adsorbed in the pore structure of activated carbon, and in the process of synthesizing rubber accelerator NS by oxidation, the reaction time of the reaction of synthesizing rubber accelerator NS by oxidation can be effectively shortened.

The invention discloses a sewage treatment method, and belongs to the technical field of water, wastewater, sewage or sludge treatment. According to the invention, halotolerant bacillus, halomonas sphaeromonas and an embedding medium containing a nano synergist are combined to finally form a carrier, and an immobilized strain preparation is obtained. When the compound is applied to a high-salt organic wastewater degradation experiment, COD (Chemical Oxygen Demand) in water quality indexes of a compound group is 51.3 mg / L, ammonia nitrogen is 5.9 mg / L, total nitrogen is 10.6 mg / L, and volatile phenol is 0.23 mg / L, so that the compound group is superior to a salt-tolerant bacillus group using a single strain, a stone spring halomonas group using a single strain, a magnesium synergist group using nano magnesium particles and a zinc synergist group using nano zinc particles. Therefore, after the halotolerant bacillus and the halomonas

The small-radius curve conjoined U-shaped beam comprises a beam body and a prestressing tendon arranged in the beam body, the beam body comprises a bottom plate, a middle web plate and side web plates, the middle web plate is arranged in the middle of the bottom plate, and the side web plates are arranged on the two transverse sides of the bottom plate. The prestressing tendons comprise top plate tendons, web plate tendons and bottom plate tendons, the top plate tendons are located in the upper flanges of the side web plates and the middle web plates, the web plate tendons are located in the side web plates, and the bottom plate tendons are located in the bottom plate. The invention further provides a construction method of the small-radius curve conjoined U-shaped beam. According to the small-radius curve conjoined U-shaped beam, the number and indexes of the adopted prestressing tendons are greatly reduced, the prestress arrangement is reasonable, meanwhile, a transverse prestress steel cable does not need to be arranged, the characteristic that loads are approximately evenly distributed on a magnetic suspension line is attached, the overall dead weight is small, the construction period is short, and the engineering cost is low.

The invention discloses a method for recycling o-nitroaniline in wastewater, and belongs to the technical field of wastewater treatment.The recycling method comprises the following steps that S1, wastewater containing o-nitroaniline is subjected to pH adjustment and cooling; s2, collecting the cooled wastewater, putting the wastewater into an evaporator for evaporation, and putting the wastewater subjected to flash evaporation into a filter press with filter cloth for filtration; s3, putting the filtered wastewater into a reaction tank, carrying out heating reaction, and feeding the wastewater into a water washing tower through a recycled aniline pump for water washing; and S4, transferring washing liquor after washing into an extraction kettle filled with an extraction agent for extraction, transferring an organic phase out for recovery, and enabling a water phase to enter a wastewater treatment section, thereby completing recovery. The method for recovering o-nitroaniline in wastewater provided by the invention has excellent recovery efficiency, the recovered o-nitroaniline has a certain economic value, the economic benefit of an enterprise is favorably improved, meanwhile, the COD index of the treated wastewater is greatly reduced, and the pollution to the environment is reduced.

The utility model belongs to the technical field of wastewater treatment, particularly relates to an omethoate pesticide wastewater treatment device, and aims to solve the problem that the position of a stirring part in a treatment tank of the conventional device is fixed, so that the area far away from the stirring part, particularly the corner and edge part of the treatment tank, is not changed. In order to solve the problem that reaction reagents and wastewater cannot be quickly and uniformly mixed in the whole treatment tank, the utility model provides the following scheme: the device comprises an outer frame, and a reaction box is mounted on the bottom surface in the outer frame; the omethoate pesticide wastewater treatment device disclosed by the utility model has the beneficial effects that the position of the stirring shaft in the reaction box is continuously changed through positive and negative rotation of the servo motor, so that wastewater can be fully stirred and mixed in each area in the reaction box, and meanwhile, the treatment effect of omethoate pesticide wastewater is further improved in cooperation with intermittently fed diluents; after a period of treatment, the wastewater in the reaction box is detected, various pollutant indexes are remarkably reduced, and an expected treatment effect is achieved.