7results about How to "Reduce application difficulty" patented technology

The present application relates to the technical field of underground structure anti-floating engineering, and aims to provide a prestressed anchor rod arrangement method, device and medium based on virtual stiffness iteration. The present application can simplify the coupling calculation between prestress application and real stiffness of the anchor rod, and through iterative optimization on the virtual stiffness of the prestressed anchor rod and arrangement nodes, the reasonable arrangement of the prestressed anchor rod is realized on the basis of meeting the deformation coordination and vertical stress requirements of the upper structure, and the safety and economy of the anti-floating design of the underground structure are improved.

The invention provides sintered ore with a coating structure and a preparation method and system.The preparation method comprises the steps that lump ore is subjected to high-temperature preheating treatment and then crushed and screened, and lump ore particles are obtained; uniformly mixing an iron-containing raw material, a CaO-containing flux, a fuel and water to obtain an outer-layer mixed material; after the lump ore particles are put into a disc pelletizer, atomized water is sprayed to the surfaces of the lump ore particles; caO is sprayed to the surfaces of lump ore particles; the outer-layer mixed material is added into a disc pelletizer, atomized water is continuously sprayed for pelletizing, screening is conducted after pelletizing is finished, and a green pellet mixed material is obtained; conveying the green pellet mixture to a sintering machine, igniting the green pellet mixture, and sintering the green pellet mixture under the condition of injecting hydrogen-rich gas to obtain high-temperature sintered ore; and hydrogen is adopted as a cooling agent to cool the high-temperature sintered ore, and pre-reduction of the high-temperature sintered ore is achieved in the cooling process. The sintered ore has high strength and air permeability, the utilization ratio of lump ore is increased, lump ore fragmentation is avoided, and therefore the metallurgical performance of the lump ore is improved.

The invention belongs to the technical field of underwater detection, and discloses an underwater vehicle metal detection device based on a multiplexing wireless charging receiving coil, and the device is characterized in that a current detection module detects the output current of an energy storage device in real time; the alternating current-direct current converter converts direct current provided by the energy storage device into high-frequency alternating current; the receiving side resonance network is used for eliminating reactive power loss caused by independently using the wireless charging receiving coil and driving the wireless charging receiving coil to radiate a high-strength alternating magnetic field to surrounding seawater; when a metal object appears in the detection range, the wireless charging receiving coil is also used for sensing a reverse magnetic field generated by the metal object and generating a reverse induction current; and the current detection module judges the metal target in the detection range by detecting the rising condition of the discharge current of the energy storage device at the moment. The existing wireless charging receiving coil is directly reused, special hardware does not need to be additionally arranged, the structure is simple, and the universality is high.

The application discloses a coating device, which comprises a wet tissue, a coating mechanism and a light-shielding package body, the wet tissue is adsorbed with a coating liquid, the light-shielding package body is used for containing the wet tissue, and the coating mechanism comprises a first area used for fixing the wet tissue, and the coating mechanism is configured to facilitate the wet tissue fixed on the first area of the coating mechanism to be in contact with a printing substrate, so that the surface of the printing substrate is attached with the coating liquid. The coating device of the application simplifies the coating liquid coating process and reduces the coating difficulty.

The application provides a cyano-containing phosphite salt additive, characterized in that the additive has a structure as shown in formula (I) and / or formula (II). The cyano-containing phosphite salt additive with a specific structure and composition designed by the application is used as a lithium ion battery lithium supplement agent, is used for supplementing active lithium lost in the first cycle of lithium ion battery self-sacrifice charging and discharging, improves the first cycle coulomb efficiency, and after the end of delithiation, the phosphorous acid and -CN functional groups of the cyano-containing phosphite salt additive are dissolved in electrolyte, participate in the formation of an SEI film, inhibit the decomposition of electrolyte, and improve the high-temperature cycle performance of the battery. In addition, the phosphite salt organic lithium supplement agent has high water oxygen stability, and solves the problem of harsh use and storage conditions of traditional positive electrode lithium supplement agents.

The invention provides a pellet with a coating structure and a preparation method and system.The preparation method comprises the steps that lump ore is subjected to high-temperature preheating treatment and then crushed and screened, and lump ore particles are obtained; uniformly mixing the iron ore concentrate powder, bentonite, CaO and water to obtain an outer-layer mixed material; after lump ore particles are put into a disc pelletizer, atomized water is sprayed to the surfaces of the lump ore particles till the surfaces of the lump ore particles are wet; caO is sprayed to the surfaces of lump ore particles; adding the outer-layer mixed material into a disc pelletizer, continuously spraying atomized water for pelletizing, and then screening to obtain green pellets; sequentially drying, preheating and roasting the green pellets to obtain high-temperature pellets, and cooling and pre-reducing the high-temperature pellets by adopting hydrogen as a cooling agent to obtain pellets with a coating structure. The pellet has high strength and air permeability, the utilization ratio of lump ore is increased, lump ore fragmentation is avoided, and therefore the metallurgical performance of the lump ore is improved.

The invention discloses a quantitative evaluation method for drug resistance of a microbial community, which comprises the following steps of: accurately positioning the position of a single colony on an agar plate by combining a paper diffusion method and colony image recognition processing based on the microbial community extracted from an environmental sample, and further carrying out quantitative analysis on the sample according to the colony distribution condition. And finally, calculating to obtain the drug resistance level of the microbial community through grading and weight matching of the drug-resistant areas. The method is provided for accurately and quantitatively evaluating the community drug resistance level of environmental microbial samples for environmental samples such as soil, natural water and activated sludge, and has high application value in the aspects of risk evaluation and prevention and control of drug resistance of environmental microbial communities.