11results about How to "Easy pretreatment" patented technology

The utility model relates to the technical field of plant irrigation, in particular to intelligent drip irrigation equipment for landscape garden plant irrigation, which comprises a water storage tank, a water inlet pipe, a fixing frame, an adder and a drip irrigation device, the water inlet pipe is fixedly connected with one side of the water storage tank, the fixing frame is fixedly connected with one side, far away from the water inlet pipe, of the water storage tank, and the adder is arranged on the fixing frame. The output end of the adding device is fixedly connected with the interior of the water storage tank, the drip irrigation device is arranged on the surface of the water storage tank and comprises a stirring assembly, a filtering assembly and a drip irrigation assembly, the stirring assembly comprises a mounting frame, and the mounting frame is fixedly connected with the upper surface of the water storage tank. By arranging the stirring assembly, the filtering assembly and the adding device, irrigation water can be pretreated conveniently, drip irrigation holes are prevented from being blocked by direct use, and the irrigation quality is prevented from being affected, by arranging the drip irrigation assembly, a pipeline is changed into a sectional structure, when the pipeline is damaged, the whole pipeline does not need to be replaced, and the cost can be reduced; and the practicability of the equipment is effectively improved.

This utility model discloses an environmentally friendly wastewater filtration device, relating to the field of wastewater treatment technology. It includes a fixed base plate and a treatment assembly. The fixed base plate is an integrated structure, with a supporting column installed on the left end of its upper surface. The treatment assembly is located on top of the supporting column and includes a sludge sedimentation tank, a supporting top plate, a servo motor, a connecting shaft, a stirring rod, a connecting frame, a scraper, a sludge discharge pipe, and a sludge pump. The sludge sedimentation tank is located on top of the supporting column, with the upper surface of the supporting column tightly connected to the lower surface of the sludge sedimentation tank. The supporting top plate is installed on the upper inner side of the sludge sedimentation tank, and a servo motor is installed on the upper surface of the supporting top plate. This environmentally friendly wastewater filtration device, through the treatment assembly, facilitates sludge pretreatment, preventing sludge from clogging the filtration mechanism. The filtration assembly enables the device to fully filter wastewater and facilitates cleaning of the filtration mechanism.

The invention discloses a sample pretreatment process for food detection, which comprises the following steps: step 1, stirring a sample: taking out pickled Chinese cabbages, cleaning residual saline solution on the surfaces of the pickled Chinese cabbages by using absorbent paper, and putting the pickled Chinese cabbages into a stirring device in pretreatment equipment to stir the pickled Chinese cabbages into homogenate; step 2, filtering the sample, filtering the homogenate in a filtering device in pretreatment equipment to obtain filtrate and waste residues, separately collecting the filtrate and the waste residues, and taking the collected filtrate as the sample; and step 3, cleaning the equipment, namely cleaning the pretreatment equipment by using a first cleaning device and a second cleaning device in the pretreatment equipment. The invention relates to a sample pretreatment process convenient for pretreatment of pickled food.

The utility model relates to mass spectrum sample protein pretreatment technical field, concretely refers to a kind of mass spectrum sample protein pretreatment device, including detachable sleeve head structure, detachable sleeve head structure one side is equipped with cover through hinged structure;Detachable sleeve head structure includes sleeve body, and the middle part of sleeve body is horizontally equipped with filter plate one and filter plate two;Test tube is equipped below detachable sleeve head, and two clamping grooves are set in the inside of sleeve body, and sealing ring is clamped in clamping groove, and detachable sleeve head is clamped at test tube mouth place.The utility model solves the problem that the filter structure of existing pretreatment device is integrated with tube body, although simple structure, filter membrane is detachable, but sample is not easy to transfer to test tube after filtration, inconvenient operation, and poor applicability of microbiological experiment.

The application discloses a dopamine magnetic molecular imprinting polymer and a preparation method and application thereof. The molecular imprinting polymer is prepared by using a surface imprinting method; in the preparation, a virtual template 3-hydroxy-4-methoxyphenethylamine is preassembled with a functional monomer in a solution, then a magnetic carrier Fe3O4@SiO2-MPS, a crosslinking agent and an initiator are added, and the carrier surface is reacted under inert gas protection to obtain a polymerization product, and the polymer is obtained after elution of the template molecule. The virtual template strategy is used to reduce the preparation cost, and the template leakage in application is avoided, so that the problem of false positive results is avoided; the imprinting factor of the polymer for dopamine can reach 7.25, the selectivity is excellent, and the stability is good; the polymer can be used as a solid-phase extraction adsorbent, and is used for efficient separation, enrichment and detection of dopamine in biological samples (especially urine), and has a good application prospect in the field of biomarker detection related to disease diagnosis.

This invention relates to the field of data recognition technology, specifically to a data classification and management system based on core features of data statistical comparison. It includes a contract scanning unit, an image digitization unit, a text feature recognition unit, a statistical classification unit, and a fusion storage unit. The invention uses the contract scanning unit to scan paper contracts into image files, facilitating preprocessing of these image files before the text feature recognition unit identifies the text and extracts the contract data. This avoids the time-consuming and laborious process of manual data entry by staff, improving convenience. Then, the statistical classification unit categorizes the contract data, creating datasets that correspond one-to-one with each contract. Finally, the fusion storage unit stores these datasets in a mesh storage device, enabling quick and easy retrieval of company data based on customers and categories, further enhancing management convenience.

The utility model discloses a combustion-supporting air inlet structure of a rotary kiln, and relates to the technical field of rotary kilns. The device comprises a fixing plate and a centrifugal fan, an air inlet assembly is arranged on the fixing plate, the air inlet assembly comprises a flow dividing disc fixedly connected to the side, away from the centrifugal fan, of the fixing plate and a sleeve penetrating through the fixing plate, and the flow dividing disc is fixedly communicated with a plurality of telescopic joints through branch pipes. And the interior of the sleeve is in threaded connection with a threaded rod, and a pretreatment assembly is arranged on the side, away from the fixing plate, of the centrifugal fan. The movable plate and the air inlet spray head are driven to move through the sleeve and the threaded rod, so that the air inlet position of the rotary kiln is adjusted, the problem that the air inlet position is inconvenient to adjust in the prior art is solved, combustion-supporting air is dehumidified through the filling frame, the combustion-supporting air is oxygenated and preheated through the oxygenation pipe and the serpentine pipe, and the air inlet position is adjusted. The problem that combustion-supporting air is inconvenient to pretreat in the prior art is solved.

The invention discloses a composite polishing machine tool and a polishing method thereof. The composite polishing machine tool comprises a base, a transmission mechanism, a working shaft, a finishing shaft and a rotary table. The transmission mechanism is arranged on the base; the working shaft is arranged on the transmission mechanism; a clamping assembly capable of rotating in the Z direction is arranged on the working shaft. The finishing shaft is arranged on the transmission mechanism and provided with a milling cutter, a turning tool and a grinding head capable of rotating around the Z-direction axis. The rotary table is arranged on the base and comprises a base, a rotating mechanism, a heating table and a polishing disc. The rotating mechanism is arranged on the base, the heating table is arranged on the rotating mechanism, the rotating mechanism drives the heating table to rotate around the Z-direction axis, the heating table is connected with a heating assembly, the polishing disc is arranged at the top of the heating table, the heating assembly is used for heating the polishing disc, and a polishing pad is arranged at the top of the polishing disc and used for making contact with the polished surface of a workpiece. The machine tool integrates the functions of polishing machining, polishing pad finishing and temperature control deformation compensation, the surface shape precision of a workpiece is effectively improved, and the machining requirement of ultra-precision polishing is met.

The utility model relates to the technical field of sludge treatment, in particular to a sludge drying device with an auxiliary dispersion structure, which comprises a heating barrel, two dispersion boxes are fixedly connected to the side surface of the upper end of the heating barrel, a driving motor is fixed on the upper surface of the heating barrel, and a stirring cylinder is arranged on the top surface of a cavity of the heating barrel. The inner wall of the cavity of the dispersion box body is fixedly connected with a filtering baffle plate, and the upper surface of the heating cylinder body is provided with a transmission gear. The sludge drying device with the auxiliary dispersing structure is provided with the dispersing box bodies and the heating barrel body, when the device works, raw materials are guided in through the two dispersing box bodies, the raw material circulation space is increased, sludge is prevented from blocking the feeding structure, the raw materials are subjected to water filtering through the two dispersing box bodies through a filtering baffle, and the water filtering efficiency is improved. And finally, the raw materials are guided into the heating cylinder body to be subjected to impurity drying treatment, and the drying efficiency of the device is improved.

The utility model discloses a coal chemical industry wastewater degradation treatment device which comprises a mixing tank, a water inlet pipe is fixedly arranged on the outer wall of the mixing tank, a water outlet pipe is arranged at the bottom of the mixing tank, a filtering assembly is arranged on the outer side of the mixing tank, a metering box is fixedly arranged on the upper end face of the mixing tank, and a stirring assembly is arranged in the mixing tank. The stirring assembly comprises a driving structure, the driving structure is arranged at the upper end of the mixing tank, a positioning rod is rotatably mounted in the mixing tank below the driving structure, three groups of mounting sleeves are fixedly mounted on the outer wall of the positioning rod, and five filtering stirring blades are fixedly connected to the outer walls of the three groups of mounting sleeves; the driving structure comprises a driving motor, the driving motor is fixedly mounted at the upper end of the mixing tank, a protective cover is arranged on the outer side of the driving motor in a sleeving manner, and full mixing and stirring of wastewater and reaction chemicals and full filtering treatment of reacted wastewater can be realized.

The invention provides a method for determining the concentration of ibrutinib in a plasma sample. According to the method, a precipitated protein pretreatment method is preferably adopted, ibrutinib-d5 is taken as an internal standard, a Venusil MP C18 (2) chromatographic column is adopted as a chromatographic condition, an aqueous solution containing 0.2% of formic acid and 5 mM of ammonium acetate and acetonitrile containing 0.2% of formic acid are taken as mobile phases for isocratic elution, and electrospray ionization source tandem mass spectrometry is adopted for detection. Compared with the prior art, the method has the characteristic of simple and convenient pretreatment operation, the extracted sample is easy to store, the analysis speed is high, and the method is suitable for large-scale clinical research sample analysis; the method has higher sensitivity, can meet the application of ibrutinib with a smaller dosage, and is particularly suitable for detecting ibrutinib in a hemolysis sample.