12results about How to "Safe and effective" patented technology

The present invention belongs to the technical field of nuclear wastewater treatment, and is specifically a method for preparing an indole-modified biomass adsorbent material for uranyl ion adsorption. The method comprises the steps of 1) mixing the biomass material with a solvent, adding indole or its derivatives, stirring and heating to a certain temperature to react; 2) adding a crosslinking agent to the substance obtained in step 1), continuing the reaction for a period of time, and obtaining a wet gel; 3) performing solvent exchange on the wet gel obtained in step 2) to remove the residual reactant; 4) freeze-drying the substance obtained in step 3) to obtain an indole-modified biomass material adsorbent. The adsorbent can be used for uranium wastewater treatment. The method does not involve any metal ions or any templates, and only requires a simple "one-pot two-step method". The process route is simple, green and environmentally friendly, and low in cost. The obtained product has good adsorption performance and shows great application value.

Related is an anti-CLDN 18.2 antibody-drug conjugate, preparation method and use thereof. The antibody-drug conjugate and the composition thereof is capable of effectively binding CLDN 18.2 and inhibiting the growth of Claudin 18.2 positive tumors. Further related is a pharmaceutical composition comprising the antibody-drug conjugate or the composition, and use of the pharmaceutical composition in the preparation of a medicament for preventing and / or treating tumors.

The present invention provides an application of lactobacillus in the preparation of a medicine for preventing and / or treating liver and / or kidney and / or bone damage caused by excessive intake of fluoride, and relates to the technical field of lactobacillus application. The present invention achieves the purpose of preventing and / or treating damage to the liver and / or kidney and / or bone by reducing the accumulation of fluoride in the liver and / or kidney and / or bone, and the lactobacillus is Lactobacillus johnsonii BS15. Lactobacillus johnsonii BS15 is used to reduce the accumulation of fluoride in the body, especially in the liver, kidney and bone during high fluoride exposure, improve the damage to organs caused by high fluoride exposure, promote the excretion of fluoride from the body, promote the excretion of fluoride from the kidney, promote the excretion of fluoride in feces and urine, and improve the damage to the liver, kidney, lung and nerve center of mice. It is safe and effective to use, has no toxic side effects, and has a wider application.

The invention relates to a use management method of an injection nozzle, a needleless injector, equipment and a medium, a nozzle chip detects to obtain nozzle traceability data including nozzle identity data and nozzle use data, and product matching verification and use compliance verification are performed based on the nozzle traceability data. When the nozzle is qualified and no effective forbidden label exists, needle-free injection operation is allowed; monitoring the current use data of the needleless injector, updating the accumulated use data in the spray head use data according to the current use data, monitoring the medicine consumption data of the needleless injector to evaluate the current spray head performance, and when the accumulated use data exceeds the preset spray head use limit or the current spray head performance does not meet the standard performance threshold value, executing the operation of the needleless injector. And writing the forbidden label into the nozzle use data, and forbidding the needleless injection operation. Qualification compliance of the needleless injection nozzle is effectively supervised, injection quality evaluation in the sustainable use process of the nozzle is also considered, and a comprehensive supervision framework is provided for the needleless injector nozzle.

The utility model discloses a feeding device of a blow molding machine, which comprises a feeding hopper, a screen drum and a feeding pipe, and the feeding pipe fixedly penetrates through the bottom surface of the feeding hopper; the bearing plate is installed on the inner wall face of the feeding hopper, and the bearing plate is in sliding connection with the inner wall face of the feeding hopper in the longitudinal direction; the mounting cylinder penetrates through the bearing plate, the mounting cylinder is connected with the bearing plate through a bearing, and the inner diameter of the mounting cylinder is matched with the outer diameter of the screen cylinder; and the positioning mechanism is used for positioning and connecting the screen drum and the mounting drum. According to the feeding device of the blow molding machine, materials can be filtered and screened in the feeding process, large-size impurities doped in the materials are filtered out and prevented from entering the blow molding machine, so that the quality of blow molding products is prevented from being affected, the product quality is guaranteed, damage to the blow molding machine is synchronously avoided, a dehumidifier is guaranteed to be safely and effectively used, operation is easy, convenient and flexible, and the practicability is high. The practicability is high.

This invention discloses a method for processing the traditional Chinese medicine Pinellia ternata. The method involves processing the raw Pinellia ternata in a phosphate solution under sealed conditions, followed by slicing into thick pieces and drying to obtain the processed product. The medicinal material is Pinellia ternata or Arisaema heterophyllum. The method of this invention uses phosphate solution to soak Pinellia ternata, which significantly reduces its irritant properties. Toxicological experiments have shown that the processed Pinellia ternata is non-irritating and does not cause a numbing sensation on the tongue. This invention does not use alum, thus avoiding the use of residual Al from alum as a processing excipient in pharmacopoeia methods. 3+ The toxicity to the human nervous system is minimal, ensuring safe and effective clinical use. Compared with traditional processing methods, phosphate-processed Pinellia ternata has the advantages of quantifiable process indicators, simple operation, and no introduction of hazards. It provides a reference for the processing technology of phosphate-processed Pinellia ternata, lays the foundation for the quality stability of phosphate-processed Pinellia ternata, and ensures the safety and efficacy of traditional Chinese medicine.

The utility model provides a track cleaning device for a numerical control plasma cutting machine, which relates to the technical field of numerical control plasma and comprises a cutting table, connecting rods are fixedly welded on the outer surfaces of two sides of the cutting table close to the edges of the two sides, and a top plate is fixedly mounted among the top ends of the four connecting rods. A plurality of sliding grooves are formed in the bottom of the top plate in the horizontal direction at equal intervals. The utility model solves the problems that dust, oxidizing slag and other foreign matters are inevitably generated in the traditional cutting process, and except the rail shielded by the rack, the cut oxidizing slag, foreign matters and the like often fly on the exposed part, so that the relative position of the traveling wheel and the rail is changed, the relative position of the cutting device is abnormal, the cutting quality is influenced, and the cutting efficiency is low. And in the long-term use process of the track, oil sludge and dust can be generated on the track, the oil sludge and the dust are accumulated for a long time and cannot be cleared away in time, so that caking is formed, corrosive damage is caused to the track, and the safety during operation is affected.

The present invention relates to a stable lyophilisate comprising a high content of 5, 10-methylene-(6R)-tetrahydrofolic acid, the composition being free of any foreign stabilizers or additional chemotherapeutic agents.

The utility model discloses a handheld neurology clinical percussion examination device, which comprises a T-shaped installation head, the left end and the right end of the T-shaped installation head are respectively clamped with a first percussion head and a second percussion head, and the inner wall of the T-shaped installation head is respectively provided with a first installation screw hole and a second installation screw hole. A first mounting stud is fixedly embedded in the right end of the first tapping head, and the outer surface of the first mounting stud is in threaded connection with the inner wall of the first mounting screw hole. According to the tapping device, through the arrangement of the T-shaped mounting head, the first tapping head and the second tapping head, tapping heads of different models and types can be clamped, the use effect of the tapping device is improved, and through the arrangement of the first mounting screw hole, the first mounting stud, the second mounting screw hole and the second mounting stud, the tapping device is convenient to use. According to the tapping device, threaded installation of the first tapping head and the second tapping head can be achieved, the stability of the tapping heads is effectively improved, the throwing phenomenon is avoided, and safe and effective use of the tapping device is facilitated.

The utility model relates to the technical field of part processing, and discloses a deflection instrument workbench jig for motor manufacturing, which comprises a workbench conveying mechanism, an axial pressure mechanism, a deflection detection mechanism and a positioning clamping plate, the axial pressure mechanism and the deflection detection mechanism are arranged on the workbench, the die-casting end of the axial pressure mechanism corresponds to the detection end of the deflection detection mechanism, the conveying mechanism is installed on the workbench and located below the axial pressure mechanism, and the conveying mechanism is used for bearing workpieces and conveying the workpieces to the axial pressure mechanism and the deflection detection mechanism; the positioning clamping plate is arranged on the axial pressing mechanism and used for fixing the axial movement of the workpiece, the sliding table base and the lifting assembly, automatic workpiece conveying and height adjustment are achieved, the manual adjustment time is shortened, and the detection efficiency is greatly improved.

The invention belongs to the technical field of vaccines, and provides a canine distemper subunit vaccine spray which is formed by dissolving nanoparticles carrying key antigen epitope peptide in normal saline in the form of freeze-dried powder. Comprising nanoparticles carrying key antigen epitope peptide and a buffer solution, and the nanoparticles are dissolved in the buffer solution in the form of freeze-dried powder; the mass ratio of the nanoparticles to the buffer solution in the spray is (0.1-10): 1; the nano-particles are composed of epitope peptide of the hemagglutinin protein of the canine distemper virus and a nano-carrier. The spray type canine distemper vaccine is convenient to store and transport, meanwhile, the stability of antigens, the convenience of inoculation and the safety and effectiveness of the vaccine are guaranteed, and large-scale inoculation of the vaccine can be rapidly promoted.

This invention relates to the field of vehicle technology, specifically providing a vehicle charging system and a vehicle, aiming to solve the problem of how to safely and effectively use charging facilities when the voltage levels of the power battery and the charging facility are mismatched. The vehicle charging system of this invention may include a voltage conversion device, a charging port capacitor, a power distribution device, and a charging control device. The charging control device can control the power battery, voltage conversion device, power distribution device, and charging port capacitor to form different conduction circuits, control the power battery to pre-charge the charging port capacitor through the conduction circuit, and control the charging port capacitor to discharge through the conduction circuit. Based on the above embodiments, not only can the voltage conversion device accommodate charging facilities of different voltage levels, but the charging port capacitor can also be pre-charged and discharged through the aforementioned conduction circuits, achieving safe and effective charging even when the voltage levels of the power battery and the charging facility are mismatched.