31results about How to "Implement fixed point" patented technology

The invention provides a device for causing damage to an experimental animal, which comprises a platform and an altitude controller arranged on the platform, and further comprises a striking component, a horizontal bracket and a vertical bracket; the striking component comprises a striking bar, a striking head, a guiding pipe, an electromagnet, a power and a switch; the guiding pipe, which is an open-ended through-tube, is fixed on the horizontal bracket; a cover of the striking bar is arranged in clearance fit with the guiding pipe; one end of the striking bar is connected with the striking head, and the other end of the striking bar is made of ferromagnetic materials and arranged in the magnetic field produced by the electromagnet; the electromagnet and the power are electrically connected with the switch; the altitude controller and the vertical bracket are vertically connected with the horizontal bracket; and the electromagnet is fixed on the vertical bracket. The device causes fixed-point and fixed-amount damage to animal tissue such as spinal cord, reduces artificial errors through mechanized operation, and enhances the repeatability of an experiment.

The invention provides a field apparatus inspection method and system. The method is characterized in that identification cards which are internally provided with an identification number respectively are arranged on the field apparatus regularly; inspectors can acquire the numbers of the identification cards and an apparatus name by swiping an information collector, and then the operating parameters of the field apparatus are input into the information collector through a keyboard; data collected by the information collector is received by a front-end inspection device; the data is sent to an inspection server through Ethernet; the inspection server analyzes and judges whether the identification cards are swiped regularly, the data is collected normally, and the regular collection is carried out and a statistical statement is produced according to the pre-stored information, and provides alarm information; and a terminal server accesses to the inspection server to acquire the statistical statement through a B/S architecture explorer.. The method and system has the advantages that the inspectors inspecting the field apparatus of an enterprise can be effectively supervised, the working quality of the inspectors can be quantitatively and qualitatively evaluated, the operating parameters of the inspection apparatus can be judged in real time, the informationzation management level of the enterprise is improved, and the production requirements of the enterprise are met.

The invention discloses a fixed-point and floating-point operation part with a shared multiplier structure in a GPDSP (General-Purpose Digital Signal Processor). The fixed-point and floating-point operation part comprises a floating-point multiplier-adder unit, a fixed-point multiplier-adder unit and a 64-bit fixed-point multiplier, wherein the floating-point multiplier-adder unit is used for supporting double-precision floating-point operation and double/single-precision floating point multiplication, multiplication-addition, multiplication-subtraction and complex multiplication operations of an SIMD structure; the fixed-point multiplier-adder unit is used for supporting 64-bit signed or unsigned fixed-point multiplication operation and double 32-bit signed or unsigned fixed-point multiplication operation of the SIMD structure; and the 64-bit fixed-point multiplier performs operation by regarding floating-point mantissa multiplication as unsigned fixed-point multiplication by multiplexing the structure of the same multiplier. The fixed-point and floating-point operation part has the advantages of capabilities of increasing the hardware utilization rate and reducing the chip area, and the like.

The present invention has opened a loading device with central locating to the public, which cosists of base plate, fixture seat, adjusting slide block, guiding rod, lead screw and wheel disc with the structure as setting fixture seat at two sides of base plate, to set two adjusting slide blocks on the guiding rod, to set right-and-left screw nut at up middle part of two adjusting slide blocks separately, the slide block right-and-left screw nut to be inner placed with ball adjusting lead screw corresponding to left-right thread direction, to set an adjusitng wheel disc at axial end of ball adjusting lead screw outside one side of fixture sat, to set clamping fixture for engaging the pulling pressure at upper part of two adjusting slide blocks. In operation, the right-and-left screw nut at two ends of lead screw in loading device will carry out outwards or innerwards of simmetry motion to pull loading clamping fixture because of applying the structure of right-and-left screw nut and accurate ball adjusting lead screw.

The invention discloses a solidifying and hardening progress monitoring system for mining cement filling slurry and a monitoring method thereof. The solidifying and hardening progress monitoring system for the mining cement filling slurry comprises a pressurizing and sample preparing mechanism, and a sample measuring mechanism, wherein the pressurizing and sample preparing mechanism is provided with a sample preparing die, a limiting die, a resistance increasing device and a connecting frame, and the sample measuring mechanism is provided with a needle type electrode, a guide line, a resistance collecting host computer, an anti-falling coupling plug and an electrode hole. Under the efficient matching between the pressurizing and sample preparing mechanism and the sample measuring mechanism, the system disclosed by the invention is used for continuously detecting the whole solidifying and hardening progress of the mining cement filling slurry in a real-time manner under the action of the certain top pressure so as to simulate the solidifying and hardening conditions of the mining cement filling slurry in a gob under the action of the overburden pressure and fulfill the purpose for accurately, efficiently and continuously monitoring the solidifying and hardening progress of the mining cement filling slurry in a lossless manner.

The invention discloses a preparation method of an implanted magnetic control drug microchip, which has the steps of: firstly, preparing a polylactic acid drug chip with a drug storage pool by a polydimethylsiloxane convex plate, adding drugs into the drug storage pool and covering ferroferric oxide nanometer particles with high purity on the drugs, and finally, sealing the drug storage pool by a nuclear pore polycarbonate membrane. The preparation method has the advantages of simple operation, easy implementation and low cost. After the obtained polylactic acid chip with drugs is implanted in a human body, the active control of the release action of the drugs can be really realized by the magnetic property of ferroferric oxide and the release of the drugs in fixed point, time and ration of the added drugs through pulse. The invention has wide application prospect in organizational project and the field of the slow release of drugs.

The invention discloses a magnetic putamen MOFs compound drug-loading system of pillararene nano-valve controlled-release, a preparation method and an application thereof, and belongs to the technicalfield of the compound drug-loading system. The preparation method comprises the following steps: using Fe3O4 as a nuclear matrix, enabling MOFs reaction mother solution to directly react with the nuclear matrix through an in-situ growth mode to form the magnetic putamen MOFs, and modifying 'connecting shaft' molecules on the magnetic putamen MOFs material loaded with the drug through a post-modification mode and performing the follow-up installation of the pillararene nano-valve mediated by a subjective and objective acting force, and realizing the controlled-release under the stimulation oflesion environment factors. Through changing the types of the pillararene nano-valve and the 'connecting shaft' molecules, the slow release of the drugs under the stimulation response can be realized.The whole compound material diagnosis and treatment system is capable of realizing the targeting drug release and the controllable drug release behavior by using the controllability of the nano-valveas the opportunity. The multi-functional point-fixing, timing and positioning treatment can be realized by organically combining the molecular chemistry and the material chemistry, so the disease treatment efficiency is improved.

The present invention provides a captive balloon communication system, the communication system comprises a ground support system, an RRU and a BBU; the RRU is disposed on a balloon, the BBU is disposed on the ground and the RRU forms a split base station, or the BBU is disposed on the balloon and forms an integrated base station with the RRU, the ground support system and the balloon are connected by a cable, the cable is provided with an optical fiber, and signal output of the BBU is transmitted through the optical fiber, and the optical fiber transmits baseband IQ data and OAM signaling data of the BBU to the RRU. The captive balloon communication system allows increasing balloon height, so that coverage distance is greatly increased, and reduces an interference path of multipath interference. The captive balloon communication system can effectively reduce influence of the radius of curvature of the earth on communication. The low-band frequency allows the signal to be transmitted beyond line of sight transmission, and the signal will be as far as 120km to 300km.

An intelligent spinning system capable of achieving full-automatic yarn feeding and bobbin replacing comprises a plurality of spinning twisting machines which are sequentially arranged in the transverse direction, and winding bobbin clamps are arranged on the spinning twisting machines to clamp empty yarn bobbins or resultant yarn rolls. The textile system with the automatic yarn discharging and bobbin replacing functions further comprises an AGV, the movement path of the AGV corresponds to the arrangement path of the multiple textile twisting machines, and a mechanical arm, a bobbin replacing device installed on the mechanical arm and an automatic yarn bobbin discharging device are arranged at the top of the AGV. The bobbin replacing device is matched with a discharging port in the automatic yarn drum discharging device in a butt joint mode, and the bobbin replacing device is matched with the winding bobbin clamp in a butt joint mode. By means of the design, automatic yarn discharging of rolled yarn and automatic replacement of yarn drums on the whole production line in a production area can be achieved, the frequency of manually supplementing empty yarn drums can be reduced, the working procedures are reduced, and the production takt is guaranteed.

The invention discloses a novel mobile aquaculture monitoring system, and belongs to the technical field of aquaculture monitoring. The system includes a physical link perception layer, a network datatransmission layer, and a data analysis, processing and application layer. The physical link perception layer is used for cruising in a water area and collecting and transmitting water area monitoring data to the network data transmission layer; the network data transmission layer is used for conducting data segmentation and transmission toward an upper computer and storage in corresponding datatables. The data analysis, processing and application layer is used for data display, control command sending, and monitoring result and terminal transfer. The device can continuously monitor the water condition at any point in a water area in real time, and has low cost, high operability, accurate monitoring data and high intelligence.

The invention discloses a preparation method of pH response type tannic acid/chitosan nanometer capsules. The preparation method is characterized in that cetyl trimithyl ammonium bromide, tannic acidand chitosan are used as raw materials, and by a static electricity layer-by-layer self-assembly method, target products namely tannic acid/chitosan nanometer capsules having a core-shell structure are synthesized, wherein the mass ratio of the tannic acid to the chitosan to the cetyl trimithyl ammonium bromide is (0.27-0.8) to (0.27-0.8) to 1. The nanometer capsules prepared by the preparation method disclosed by the invention can make response to pH changes, perform controlled release of entrapping molecules, and improve the utilization efficiency of drug molecules. The preparation method issimple and low in cost, and has great application prospects in the field of foods, medicines, biological technologies and the like.

The invention relates to a wireless monitoring device based on flexible-substrate skin patch type body temperature measuring structure. A surface-mounted temperature sensor, a wireless Bluetooth acquisition, processing and transmission system chip circuit and a battery are designed and mounted on one surface of a flexible substrate, and a Bluetooth antenna is designed and processed on the flexiblesubstrate; the other surface of the flexible substrate comprises a metal face capable of rapidly transmitting heat, the metal surface is in close contact with a heat-sensitive part of the temperaturesensor, and such surface further comprises or is provided with an adhesive tape capable of being attached to the underarm skin. A wireless temperature measuring sensor with certain flexibility can beattached to the underarm skin, and is in wireless communication with a mobile phone through an integrated wireless device thereof, thereby continuously or intermittently collecting human body temperature information in real time. An APP on the mobile phone helps control the start of body temperature test, body temperature threshold alarming, curvilinear path record playback and other functions.

The invention discloses a marine disposable measuring probe shipborne automatic throwing device, which belongs to the technical field of marine environment information monitoring. The marine disposable measuring probe shipborne automatic throwing device comprises an automatic throwing box, a controller, a support and a data acquisition device, wherein the automatic throwing box is composed of at least one group of throwing units; the throwing unit comprises a bracket, a throwing type measuring probe is placed on the bracket, a connecting and locking mechanism connected with the tail end of the throwing type measuring probe is fixed on the bracket. The throwing unit further comprises an angle adjusting mechanism for controlling the bracket to carry the throwing type measuring probe to pitch up or down; the throwing type measuring probe comprises an outer cylinder and a probe main body arranged in the outer cylinder, and the outer cylinder is provided with an electrical interface. According to the shipborne automatic throwing device, the marine throwing type measuring probes can be thrown at fixed time, fixed points and fixed intervals, measurement, monitoring and data transmission are completed, data collection is accurate, use is safe and reliable, the overall function is complete, and practicability is high.

The invention belongs to the technical field of fully automatic equipment for fluid sampling, and in particular, relates to a fully automatic liquid sampling device and a use method thereof. A holding container is equipped with a second mechanical seal device, a sample retaining container is equipped with a first mechanical sealing device, the holding container and the sample retaining container are connected by a through shaft, and the through shaft is driven to rotate by a stepping motor; the sample retaining container is connected with a peristaltic pump through a sample retaining container gas connection pipe and a second peristaltic pump gas pipe, and the peristaltic pump communicates with the atmosphere through a first peristaltic pump gas pipe and is controlled to rotate by PLC; the through shaft is equipped with a through shaft sampling through hole as a sampling liquid circulation channel; a liquid suction pipe is wound on the through shaft, one end of the liquid suction pipe is connected with a tapered hammer having the interior with a hole, and the tapered hammer through hole communicates with the liquid suction pipe and the through shaft sampling through hole. The fully automatic liquid sampling device has the advantages of stable and reliable performance, stable structure, convenient assembly and disassembly, high adaptability and the like. The automatic control is performed by the PLC to ensure the authenticity and representativeness of a taken liquid sample, the sampling process can be carried out automatically, and the liquid is effectively guaranteed to be not residual in a sampling pipeline after sampling.

The invention belongs to the technical field of environmental restoration, and particularly provides a solid waste-based cementing material for treating pyrite slag, which is characterized by comprising 35-45% of slag, 25-35% of desulfurized gypsum, 15-25% of steel slag, 10-15% of red mud, 5-10% of manganese sand and 3-5% of zeolite. The cementing material which is low in cost and excellent in performance is prepared by taking industrial solid waste as a basic raw material based on physical and chemical characteristics of the pyrite slag, can replace general cement and is specially used for cementing and curing the pyrite slag. In addition, the invention also provides a method for treating pyrite slag by using the exclusive solid waste-based cementing material, the pyrite slag heap is blocked in situ through a top layer curing and side seepage prevention process, the pyrite slag is prevented from being in contact with air and water, release and migration of pollution factors are reduced or even blocked from the source, and the effect of treating the pyrite slag is achieved. Meanwhile, acid leachate at the bottom of the pyrite slag is neutralized, and the risk that pollutants corrode and damage an anti-seepage structure is reduced.

The invention discloses a single-leaf grafting inoculation method for tomato yellow leaf curl virus and tomato chlorosis virus, which comprises the following steps: S1, rootstock treatment: taking tomato seedlings or lateral branches, selecting proper nodes, removing healthy leaves from the nodes, and making oblique cuts on stems of receptor seedlings; S2, scion treatment: taking a single leaf with good growth vigor as a scion material, and cutting a petiole inoculated with the single leaf into a wedge shape; S3, cuttage grafting: obliquely inserting the scions into the cuts of the rootstocks, fixing the scions with grafting clamps, and culturing the scions. The single-leaf grafting inoculation method for tomato yellow leaf curl virus and tomato chlorosis virus is not affected by virus transmission mediators and is not limited by seasons, grafting materials are easy to obtain, and operation is easy and convenient.