34results about How to "Stay well" patented technology

The invention discloses a 99mTc (HYNICNM) (tricine / TPPTS) complex and a preparation method and application thereof. The 99mTc (HYNICNM) (tricine / TPPTS) complex is obtained through two steps of synthesis of a ligand HYNICNM and preparation of a 99mTc (HYNICNM) (tricine / TPPTS) complex. The complex is simple and convenient to prepare and has oxygen deficiency selectivity. Tumor-bearing mice have highuptake and good retention in tumor parts, the tumor / non-target ratio is high, the uptake of non-target organs such as the liver and intestines is obviously reduced, and the 99mTc (HYNICNM) (tricine / TPPTS) complex is a novel tumor hypoxia imaging agent with excellent performance.

The invention discloses a high-strength acid-soluble gel plugging agent for loose sandstone and a preparation method thereof. The plugging agent is prepared from a component I, a component II, a component III and a component IV, the component I is prepared from the following raw materials in parts by mass: 10-15 parts of acrylamide, 3-5 parts of modified acrylamide, 3-5 parts of modified hydroxyethyl acrylate and 75-84 parts of water, the component II is prepared from the following raw materials in parts by mass: 3-5 parts of bentonite and 95-97 parts of water; the component III is prepared from the following raw materials in parts by mass: 0.05-0.2 part of water-soluble slow-release capsule cross-linking agent, 0.3-0.5 part of water-soluble slow-release capsule curing agent and 99.3-99.65parts of water; and the component IV is prepared from the following raw materials in parts by mass: 3-5 parts of acid catalytic encapsulated gel breaker, 0.3-0.5 part of a surfactant and 96.7-94.5 parts of water. According to the high-strength acid-soluble gel plugging agent and the preparation method thereof, the gel breaker is released by controlling the acidification and dissolution of an acid-soluble capsule coating, so that gel breaking is realized, and plugging of the plugging agent to a seepage channel of a reservoir stratum is relieved.

This invention is a method for manufacturing paperboard, the method having an exceptional paper-strength-improving effect and yield-improving effect, and the method being characterized in comprising adding a papermaking additive to a pulp slurry; the pulp slurry being used having a papermaking pH of 6.5-8.5 after the additive has been added; the papermaking additive being synthesized using a monomer (A) capable of forming the repeating unit represented by general formula (A) through polymerization, a cationic vinyl monomer (C) in an amount of 1-20 mol% relative to the total monomer content of the polymerization system, a (meth)allyl sulfonic acid and / or a salt thereof (D) in an amount of 0.01-5 mol% relative to the total monomer content of the polymerization system, and glyoxylic acid or a monomer (B) capable of forming the repeating unit represented by general formula (B) through polymerization; and the papermaking additive containing a polymer having a repeating unit expressed by general formula (B). In the formulae, R1 represents H or CH3, R2 represents H or CH3, and R3 represents H, Na, K, or NH4.

The invention provides a biological reactor having a high efficiency of gas-liquid-solid separation and hence capable of enhancing the biological reaction efficiency in a vessel. The area of the vessel 1 from around the middle part to the bottom part forms a biological reaction zone S where sludge floats. Raw water undergoes an anaerobic biological treatment in the biological reaction zone S and is introduced into a gas-liquid-solid separator 4 installed in the upper part of the vessel 1 for the gas-liquid-solid separation. The treated water via the gas-liquid-solid separation process is discharged out of the vessel 1 through a treated water discharging conduit 6. The solid matter settles in the gas-liquid-solid separator 4 and is returned to the biological treatment zone S in the vessel 1 through a solid matter discharging conduit 7. The separator 4 is internally installed with baffles 21 to 24, each of which is made of an annular sheet in a tapered form whose diameter becomes smaller toward the lower portion. Each baffle 21 to 24 is disposed concentrically with a space in between.

The objective of this invention is to significantly reduce noise caused by the intermittent expansion burst of gas particles (gas blocks) after passing through an orifice by preventing the gas particles from being enlarged in the throttle valve device. A passage that guides fluid to the throttle passage member 23 from a filter element 20 for capturing an impure ingredient is provided by a distributed communicating hole 26 of a plurality of small paths.

The invention provides a composite material suture method, the steps are: S1 fixedly arrange a PMI foam pad under the composite material part to be sewed; S2 arrange a plastic film between the composite material part and the PMI foam pad; S3 use thread holes The suture needle band suture that is arranged at the tip passes through the composite material part and then plunges into the PMI foam; S4 lifts the suture needle so that the suture remains in the composite material part and the PMI foam; S5 repeats steps S3 and S4 until suture Finish. The PMI foam pad of the present invention can be replaced according to the size of the workpiece and the number of times of use, which is flexible and quick; it is convenient to transfer and prevent off-line by lining the plastic film; it adopts the foam table top and plastic film, and there is no need to set the sinking or setting on the table according to the sewing track. Hollowing can be used for sewing different parts, which improves the versatility and reduces the manufacturing cost; increases the friction of the sewing needle during sewing, so that the suture can stay inside the part better, improves the sewing quality, and reduces the Needle drop situation improves efficiency.

The invention discloses a determination device for influence of gas phase substance on motion capability of nematodes. The device comprises a container (5). The side surface of the container is provided with volume scales (8). A transparent cover plate (9) is arranged on the container and provided with a vertical handle (10). A culture dish (3) is accommodated in the container (5) and internally provided with a nematode culture medium (4). The container (5) has an air inlet pipe (1) and an exhaust pipe (6). The air inlet pipe (1) is provided with an air inlet pipe cover (6) in the shape of a gooseneck and provided with an exhaust pipe cover (7). When the two pipe covers are closed, air can be prevented. The invention further discloses a determination method for influence of gas phase substance on motion capability of nematodes.By making nematodes in the culture dish (3) directly contact gas phase substance, the mode of action for gas phase substance is more suitable. Therefore, influence of gas phase substance on motion capability of nematodes can be conveniently observed.

The invention discloses a <99m>TcN-CPF2XT complex, as well as a preparation method and application thereof. Ciprofloxacin containing a quinolone pharmacophoric group is converted into a ciprofloxacinxanthate ligand (CPF2XT) capable of being complexed with <99m>Tc, and a <99 m>TcN-CPF2XT complex is obtained by using a preparation process that an S atom in the CPF2XT ligand is complexed with [<99m>TcN]<2+> nuclear. The complex is a hydrotropic substance, and is high in radiochemical purity, good in stability, and simple and convenient to prepare; the complex is highly taken and retained at thebacterial inflammation part; the ratios of inflammation / muscle and inflammation / blood are high; bacterial inflammation can be distinguished from non-bacterial inflammation; and the complex can be used as a novel bacterial inflammation photographic developer to be popularized and applied.

The present invention proposes a method for preparing unsaturated carboxylic acid esters, which prevents splashing and attachment of raw material compounds and reaction products to the inner wall of a reaction vessel, and avoids polymerization on the inner wall. Specifically, it is characterized in that the temperature difference between the outer periphery of the reaction vessel heated by the heating device and the reaction solution is not greater than 80°C.

The invention provides a compound needle which has sufficient strength and is not easy to retain garbage in the slot of the slider. The compound needle (1) has: a needle body (2), which has a needle hook (20) arranged at the front end and a slider groove (21) arranged on the upper end surface; and a slider (3), which is slidably embedded in the guide The needle slot (21) opens and closes the needle hook (20), wherein the composite needle (1) is equipped with a waste discharge window (4), and the waste discharge window (4) and the slider in the slider groove (21) The part on the rear end side of the sliding direction of (3) is connected, and an opening is formed on the side of the needle body (2). The shape in which the rear end of the part of the needle piece (3) that is in sliding contact with the bottom (21b) of the slider groove (21) is accommodated.

The invention provides a medium-consistency pulping mechanism which comprises a grinding head assembly, a grinding body bearing chamber assembly, a rack and a sealing structure which are arranged in a matched mode, the grinding body bearing chamber assembly comprises a grinding shaft, and the grinding head assembly is installed at one end of the grinding shaft; the grinding body bearing chamber is sleeved on the grinding shaft; the magnetic railing ruler is mounted on one side of the bearing chamber of the grinding body; the two sides of the grinding body bearing chamber are respectively connected to a rack guide rail sliding block; the grinding body bearing chamber is connected with the worm and gear lifting machine through a connecting frame arranged at the bottom; the far millstone bearing gland and the near millstone bearing gland are respectively arranged at two ends of the millstone body bearing chamber; the two spherical roller thrust bearings are mounted in the grinding body bearing chamber in a back-to-back manner; and the self-aligning roller bearing is sleeved on the grinding shaft and is arranged in the grinding body bearing chamber through a round nut and a lock washer for the round nut. According to the technical scheme, the structural design is simplified, the transmission capacity of force or torque is improved, the cutter feeding and retracting precision is improved, and jumping of the grinding disc during shafting rotation is avoided.

The invention discloses a movable cleaning device capable of automatically cleaning a garbage can in all directions and belongs to the technical field of environmental sanitation. The movable cleaning device comprises a tractor and a compartment, wherein the compartment comprises a control chamber and a cleaning chamber; a top drive mechanism, a spraying mechanism, a cleaning brush controlled by the top drive mechanism, a can cover cleaning mechanism, a bottom water tank located at the bottom of the cleaning chamber, an inner wall cleaning mechanism used for cleaning the inner wall of the garbage can, a turnover mechanism, a clamping mechanism used for clamping the garbage can, a telescopic air cylinder and a sealing door are arranged in the cleaning chamber; one side of the cleaning chamber is further provided with a can inlet through which the garbage can can be placed into the cleaning chamber conveniently; and when the garbage can is located at a cleaning station, the cleaning brush and the spraying mechanism correspond to the outer wall of the garbage can in position, the inner wall cleaning mechanism corresponds to a feeding port of the garbage can, and the can cover cleaning mechanism corresponds to the can cover of the garbage can. According to the movable cleaning device, the layout is more reasonable, and the cleaning efficiency is high.

The embodiment of the invention discloses a cell search method of a multicast communication system, which comprises the following steps that RSRP (Reference Signal Receiving Power) of broadcast signals of all clusters in a cell is measured; an optimal cluster is selected from the measurement result to be determined as an access cluster for access, and the difference between the RSRP of a broadcast signal of the optimal cluster and the RSRP of other broadcast signals is greater than a preset threshold; and if no difference between the RSRP of the broadcast signal and the RSRP of other broadcast signals is greater than the preset threshold, one cluster is randomly selected to be determined as the access cluster for access. The invention further discloses a cell search device of the multicast communication system. According to the method and the device, UE (User Equipment) is used for searching all of the clusters instead of searching a special cluster in the cell, so that the UE can be resided in the cluster with the best signal intensity in the cell.

The invention discloses a 5G terminal access 5G network optimization processing method, device, equipment, and medium. The method includes: acquiring the network standard mode when the terminal is started, and when 5G is supported, controlling the voice service function of 4G supported by IMS by default or opening 5G-based voice service function; trigger the 5G network search process, when a resident 5G network is found, control the initiation of the 5G registration process for 5G registration; when no resident 5G network is found, search for a resident 4G network , to perform 4G network registration; and when the terminal stays in the 4G network and exceeds the predetermined threshold, the control terminal re-initiates the 5G network search process, and ends the 5G network search process until it successfully connects to the 5G network. The present invention optimizes the 5G terminal access network scheme to ensure that the terminal can better reside in the 5G network, to ensure that the terminal can quickly return to the 5G network even under 4G, and provides convenience for users.

The invention discloses a method for realizing active current limit of transactions through an API interface in financial transactions. In the technical field of financial transactions, the distributed system of the present invention is an independent service management system separated from the service provider and the service caller. Through Register the financial transaction API interface in the distributed system, and classify the API interface in the distributed system, monitor the frequency of API calls according to the TPS index of the service provider system, and when it reaches a certain level, It can be automatically closed in the order from low to high by prioritizing the priority of transactions. After closing, if the frequency of interface calls returns to a certain level (can be set in advance), according to the priority of the closed transaction Automatically start from high to low, this method implements in-process monitoring of transactions in advance, and automatic elastic current limiting.