6results about How to "Easy to pollute" patented technology

The invention discloses a process for preparing a V2O3 / ZnV2O3 total battery by simultaneously using vanadium oxide in a zinc ion battery as a positive electrode material and a negative electrode material, which comprises the following steps: reacting ammonium metavanadate with absolute ethyl alcohol by adopting a solvothermal synthesis method, washing, drying, and calcining in a tubular furnace to obtain V2O3; in the preparation process of the V2O3 positive electrode material, only V2O3, acetylene black serving as a conductive agent and PVDF serving as a binder are mixed in proportion and then are coated on graphite paper, other coating protection materials do not need to be introduced into a V2O3 / Zn negative electrode, and V2O3 is used as a protection layer to inhibit growth of zinc dendrites, relieve hydrogen evolution side reaction of the zinc negative electrode and reduce corrosion of zinc. Vanadium oxide V2O3 is directly used as a core positive electrode material, the zinc negative electrode coating is developed by utilizing the characteristics of the vanadium oxide V2O3, a material is formed, meanwhile, the performance optimization of the positive electrode and the negative electrode is realized, the used raw materials are simple and easy to obtain, the process is simple and easy to implement, and the preparation process is simple and easy to implement from V2O3 raw material synthesis to positive and negative electrode piece preparation to V2O3 / ZnV2O3 total battery assembly. And comprehensive improvement of positive and negative electrode performances of zinc ions is simultaneously realized by a single material.

The present application relates to the field of analytical chemistry, and provide a kind of method for detecting complex matrix of agricultural products in guanidine morpholino salt hydrochloride.The extraction solvent of the present application uses acetonitrile+acid+aqueous solution, different acid is selected according to the water content of sample, trifluoroacetic acid is used for high water content sample, and formic acid is used for low water content sample;In purification, pH value is adjusted according to the oil content of sample, ammonia is used to adjust pH to 8.5 for high oil content sample, and pH value can not be adjusted for low oil content sample.In the method, NaCl is not added to make organic phase and aqueous phase in extraction liquid stratified, through the way of extracting three times repeatedly, the recovery rate of the method is guaranteed;And using ultra-high phase liquid chromatography triple quadrupole mass spectrometry technology, guanidine morpholino salt hydrochloride in complex matrix of agricultural products is successfully detected, the extraction method is fast and simple, the quantitative limit of guanidine morpholino salt hydrochloride in tea is 0.1mg / kg, and the quantitative limit in other matrix is 0.05mg / kg, which is suitable for routine analysis, and can meet the quantitative detection requirements of guanidine morpholino salt hydrochloride in complex matrix of agricultural products.

The utility model provides a flosser belongs to flosser technical field, it has solved the present flosser existence health hidden danger's technical problem. The flosser includes box body and ejector, and the box body has floss outlet, and the box body has the transverse baffle in, and the upper side of transverse baffle has the strip hole who arranges along the moving direction of ejector, and the ejector includes the baffle and the moving seat who forms from the downward protruding of the lower side of baffle, and the moving seat supports in the upper side of transverse baffle, and the moving seat has the hook portion who stretches out the strip hole downward, and the flosser is equipped with the elastic member who can make the moving seat to the side where floss outlet is located translation, and the top wall of box body has the let -by hole who is through, and the baffle is along the strip hole length direction and is set to strip shape, and the upper side of baffle is in close contact with the top wall of box body, and the baffle's middle section has the protruding portion who protrudes the let -by hole. The flosser has better health protection effect.

This invention discloses a laser coating cleaning system and method. The laser coating cleaning system includes a coating cleaning head, a system support, and an electric scooter. The coating cleaning head has a flat, duckbill-shaped end with a linear light outlet and is protected by both positive and negative pressure gases. This ensures effective cleaning while protecting the lens and the surrounding environment. The coating cleaning head and the electric scooter are mounted on the front and rear side walls of the system support, respectively. Operators can easily move the scooter to the work area by controlling its direction with their feet. The system support is equipped with adjustable feet for posture adjustment. This invention is specifically developed for cleaning within a coating machine and is suitable for multi-angle, all-around cleaning within the coating machine. It eliminates the need to disassemble the coating machine, effectively overcoming the problems of low efficiency, high pollution, and unsuitability for large-volume cleaning in existing methods.

This utility model provides a medicine box, including a base and a connecting cover disposed above the base and rotatable in a circumferential direction along the base. The base is hollow to form a cavity for containing medicines. The base is provided with a partition plate to divide the cavity into several medicine storage chambers. The connecting cover is provided with a through groove that can be opposite to any medicine storage chamber. The connecting cover is also provided with a sealing block for covering the through groove. A cover plate is also provided above the connecting cover, which can close with the base. This medicine box can overcome the defect of the prior art where the cover is easy to loosen after being rotated many times over a long period of time, which may cause the cover to rotate on its own when not in use, causing the medicine inside the medicine box to fall out.

The utility model discloses a wind power tower rust removal device convenient to clean scraps, which belongs to the technical field of tower rust removal and comprises a machine tool, a plurality of scrap inlets are arranged on the machine tool, a storage groove is arranged below the scrap inlets and corresponds to the inside of the machine tool, and two guide plates are fixedly connected to the inner wall of the storage groove. According to the rust removal device for the wind power tower drum convenient to clean the sweeps, when the sweeps are cleaned, an operator starts a first motor on a support, the first motor enables a fan to rotate, the sweeps are sucked in from a scrap inlet, and after falling onto a guide plate, the sweeps slide to the bottom of a storage groove along the inclined surface of the guide plate and are accumulated; according to the dust removal device for the tower drum, waste chips generated during dust removal machining are conveniently cleaned, the situation that a large number of waste chips are accumulated on the dust removal device, normal dust removal machining of the tower drum is affected is prevented, the surrounding environment is easily polluted when the waste chips are blown away by wind on the dust removal device, and the functionality and the environmental protection property of the dust removal device are improved.