34results about How to "Solve the difficult to observe" patented technology

The invention discloses a tunnel surrounding rock scanning and observing system based on a dual-shield TBM technology. The system comprises multiple scanners and an upper computer; the upper computeris positioned at the axis of the shield of an auxiliary propulsion oil cylinder position; the scanner is installed at each observing hole of the shield of the cross section of the auxiliary propulsionoil cylinder. According to the system provided by the invention, the scanner is installed at the preset observing hole on the rear shield to achieve direct measurement; data is collected via multiplecoordinate systems and processed in a unified manner; a scanning system for propelling observation on the profile of the tunnel surrounding rock and rock appearance by accompanying tunneling similarto well logging during drilling is formed; drawing of a two-dimensional profilogram of the cross section of a tunnel, building of a three-dimensional model of the actual excavation face of the tunnel,surrounding rock appearance imaging of the cross section of the tunnel, and three-dimensional rock appearance imaging of the actual excavation face of the tunnel within a certain angle range of the top of the whole tunnel can be achieved; in addition, the scanners and the upper computer are installed in a modularized manner, and the internal different modularized measurement devices can be changed according to needs, to achieve more functions.

The invention provides a method of identifying day age of cephalopods through beaks and includes a method of grinding a beak longitudinal section and counting growth striation. The method mainly includes the steps of: extraction, cleaning, soaking, cutting, arrangement, resin embedding, cutting, immobilization on a glass slide, grinding and polishing, picture forming, and growth striation counting. In the method, the beak longitudinal section is ground respectively from the left and right sides to a core surface towards a central line. A prepared section is photographed by CCD to ensure that the growth striation can be read at any time in future. The growth striation is counted from the rear end to the front end of the beak in a direction being vertical to the growth striation all the time, thereby ensuring counting accuracy. The method solves the problems that the beak is difficult to grind and is liable to break during grinding, and the growth striation is difficult to observe and count.

The invention provides a supercritical water particulate matter visual measurement experimental device and method. The device comprises a preheating section for primarily heating fluid in a pipeline,a heating section for secondarily heating the fluid in the pipeline, a visual section for observing particulate matters, a cooling section for cooling the fluid in the pipeline, a pressure stabilizingsection for adjusting the pressure of a loop and a feeding section for adding water and particulate matters into the loop. The experimental device can study the flowing condition of fluid in the pipeline and the deposition movement condition of particulate impurities in the fluid in a visual measurement mode, is visual in observation, can accurately and effectively measure related data, and meetsexperimental requirements and engineering application.

The invention discloses a portable digital microscope which comprises a microscope body which is in a flat U shape, one end of the microscope body serves as an object carrying end, and the other end of the microscope body serves as a lens end. The object carrying end is provided with an object carrying table and a focusing assembly used for adjusting the object carrying table to ascend and descend. The lens end is provided with a lens cone and an objective lens group connected with the lens cone. A circuit board and a battery are arranged in the microscope body, and the battery is respectivelyconnected with the circuit board and the object carrying table. According to the invention, an image can be directly displayed on a display screen carried by the instrument or imaged on mobile equipment, so that the image is convenient to observe, and the image is easier to store and share; the microscope cover can be clamped on the microscope body to form a box-shaped structure similar to a dictionary in size, so that the microscope is convenient to carry.

A method for constructing a wind field model based on CFD and monitoring a local area wind field of multiple wind measurement devices comprises the steps of 1) constructing a business guarantee area geographic information model: according to business guarantee area requirements, properly extending to determine business guarantee area boundary conditions, utilizing precise terrain information obtained by GIS, combining with business guarantee area landform characteristics, and constructing a business guarantee area geographic information model containing elevation, roughness and other information; 2) constructing a computational fluid dynamics (CFD) wind field simulation model: solving a discrete solution of a fluid dynamics control equation through a numerical method, and performing CFD numerical simulation according to a geographic model of a service guarantee area to obtain CFD wind field simulation results with different directions, different wind speeds and different gust characteristics, wherein the selection of the size of the grid of the service guarantee area needs to be determined in combination with the landform condition so as to achieve the minimum calculation amount and the optimal simulation result; 3) analyzing sensitivity of observation points; and 4) establishing a regional wind field monitoring system.

The invention discloses an electric power circuit fault indicator which comprises an outer shell, a wire clamping part arranged on the upper portion of the outer shell, a control circuit part with a detecting and judging function, and an indication part with a fault indicating function. The outer shell comprises a left upright column and a right upright column, and the upper portion of a shell body is in a U shape. The wire clamping part comprises a spring and wire pressing plates in a J shape. The wire pressing plates are respectively connected with mounting holes of the left upright column and the right upright column of the outer shell, can rotate relative to the left upright column and the right upright column, and respectively clamp electric power wires in V-shaped grooves of the left upright column and the right upright column from the left side and the right side. The spring is used for connecting the wire pressing plates and bolts on the upright columns. When clamping wires are mounted, the spring is in a drawing state, the spring contracts after the wire pressing plates are triggered, and the wire pressing plates tightly press the electric power wires. The electric power circuit fault indicator can solve the problems that installation and disassembly are inconvenient, fault indication is not obvious, a malfunction rate is high, and a wire clamping device of an electric power circuit is easy to damage and rust and the like in the prior art.

The invention relates to the field of aquatic science, and particularly relates to a method for identifying the day age of cuttlefish by utilizing cuttlefish bones. The method comprises a method for grinding the longitudinal section of an inner shell and observing and counting growth lines, and comprises the main steps of drying, marking lines, cutting, grinding, polishing, marking points, fixing,counting the growth lines and the like. The invention solves the problems that the inner shell is easy to break during grinding and the growth lines are not easy to observe and count, and provides amethod capable of quickly and accurately grinding to the optimal plane and accurately interpreting the number of the growth lines.

The invention discloses a gene-edited tobacco one-way liquid-conveying and multi-plant automatic hydroponic device. The device comprises a liquid conveying metering pump (1), a liquid input main pipe (2), a liquid output main pipe (3), liquid input branch pipes (4), liquid output branch pipes (5), a field planting plate (6), single-plant hydroponic units (7), hydroponic cup liquid level monitoring sensors (8) and a liquid level control computer. The one-way liquid-conveying hydroponic device is constructed, each plant hydroponic device is relatively independent and communicates with the whole hydroponic system through one-way input and output of a nutrient solution, independent use of the nutrient solution is achieved, and cross infection of tobacco diseases due to nutrient solution exchange is prevented; meanwhile, each liquid level monitoring sensor monitors the water level in real time and is matched with a conveying pump, and automatic water culture of plants is achieved; and the equipment is low in cost and simple to operate, can realize automatic planting, saves a large amount of labor, and can be directly used for screening of tobacco gene editing materials and factory-like hydroponic planting.

The invention discloses a clinical nursing intelligent nursing instrument and relates to the technical field of medical appliances. The clinical nursing intelligent nursing instrument comprises a panel and a controller. A main control module, a liquid level determination module, an early warning module, a blood pressure testing module and a power module are arranged in the controller. The outer side of the controller is provided with a dropping tube placing groove, the dropping tube placing groove is an inclined groove, the inner bottom of the dropping tube placing groove is provided with a dropping tube liquid level measuring device, the dropping tube liquid level measuring device is electrically connected with the liquid level determination module, a blood pressure testing head is arranged on the outer side of the controller, the blood pressure testing head is electrically connected with the blood pressure testing module, a display screen is also arranged on the panel, and a power switch, a reset switch and a measuring switch, a prompt sound box and an indicating lamp are arranged below the display screen. The panel is also provided with a placing area for placing a thermometer. The clinical nursing intelligent nursing instrument is simple in structure and convenient to use, and the problems that it is difficult to observe the current infusion situation and the condition of the patient's blood pressure and body temperature cannot be checked simultaneously can be solved.

The invention belongs to the field of medical instruments, and particularly relates to a brachial artery compression hemostat and a compression hemostasis method.The method comprises the steps that when the elbow stretches, a compression hemostat body is placed on a brachial artery puncture opening; the controller sets an initial pressure value, and patient information is monitored through the pressure stabilizer and the errhysis detector; if the errhysis added pressure is monitored, a set pressure value is determined; the total time of pressure release is set, and the release pressure and the release interval time of a fixed value are set; in the pressure release implementation process, the actual pressure value is adjusted in real time to be equal to the pressure value set by the controller in the pressure release process; patient information is monitored in real time in the pressure release process until pressure release is finished. The problems that an existing compression hemostat cannot monitor the bleeding condition of a brachial artery puncture opening in real time and the pressure of the compression hemostat on the brachial artery puncture opening is too large or too small when the elbow of a patient curls up and stretches are solved, and the stability of the pressure of the brachial artery puncture opening is maintained while the limb function position of the patient is kept.

The invention relates to the technical field of power distribution network, and discloses an observation-facilitating novel power distribution cabinet comprising a cabinet body. A cabinet door is arranged on the upper part of the cabinet body. A fixing screw rod is arranged inside an arc track and located on the upper part of the cabinet body. Observation glass is arranged on the cabinet door. A chute is arranged on the cabinet door and located at the bottom of the observation glass. A brush is arranged above the chute. A slide block is arranged above the brush. A rotating shaft rod is arranged inside the slide block. According to the observation-facilitating novel power distribution cabinet, the observation glass is arranged on the surface of the cabinet door of the power distribution cabinet so as to facilitate direct observation by staff. The power distribution cabinet is placed outdoors for a long time, and the observation glass is easily contaminated with dust. The rotating shaftrod is rotated and the rotating shaft rod is connected with the brush, the rotating shaft rod drives the brush to move transversely and reciprocating movement of the brush on the surface of the observation glass is realized through forward and backward rotation of the gap of the rotating shaft rod thus and thus the purpose of automatic dust wiping and dust removal can be realized.

The invention discloses an intelligent building balance detection system and method based on infrared temperature measurement. The system comprises a horizontal positioning unit, a temperature detection unit, a balance observation unit and a network transmission unit. The horizontal positioning unit determines that the infrared receivers of the temperature detection unit are located at the same horizontal position; the temperature detection unit comprises an infrared receiver, is arranged on the outer wall of the building at the same horizontal height and is used for detecting the ambient temperature; the balance observation unit is used for judging the current building balance state by judging whether the ambient temperature detected by the temperature detection unit has temperature difference or not; and the network transmission unit is connected with the network, updates the balance observation result every day and sends the balance observation result to the cloud for recording. After the building is built, the environment temperature is detected through infrared rays, the building balance state is judged according to whether the temperature difference exists in the environmentor not, whether the building sinks or not is known, and the problem that a high-rise building is difficult to observe is solved.

The invention discloses an Internet of Things commodity information anti-tracing system and method based on chaos secrecy. The system comprises a network recording unit, an information management unit, a radio frequency reading unit and a public tracing unit. The network recording unit is used for recording all information of the commodities from leaving the factory to being transported to the shelves; the information management unit comprises special information uploading equipment and is used for updating and uploading commodity information; the radio frequency reading unit comprises an RFID and can read the commodity information chain through RFID radio frequency identification; and the public tracing unit is a public sharing port of commodity information, and customers can read all link information of commodity production, processing, storage, transportation and consumption. Under the Internet of Things equipment with traceable commodity information, the hardware security circuit is added on the equipment for uploading the commodity information, so that the commodity information cannot be invaded and tampered, the safety of a commodity information chain is greatly improved, and the reliability of commodity information tracing is improved.