35results about How to "Realize continuous observation" patented technology

The invention provides a cell culture device for miniaturized space experiments. The cell culture device can automatically control the cell culture process and perform on-line observation in space and in equivalent harsh environments. The cell culture device comprises a high-strength bearing mechanism, an environmental parameter detection and control unit, an on-line observation unit and a cell culture chip unit, wherein the high-strength bearing mechanism is used for providing a support structure and a thermal-insulation environment for the cell culture chip unit; the environmental parameter detection and control unit is used for detecting temperature, humidity and CO2 gas concentration of the cell culture environment and sending the detection information to a detection and control assembly, thereby implementing environmental parameter feedback adjustment; the cell culture chip unit is used for providing a support structure and a gas / liquid flow channel port for a microfluidic chip or other minitype culture devices; and the on-line observation unit is used for providing a window structure, which is provided with light control and suitable for optical microscope observation, for real-time observation in the cell culture process.

The invention discloses a rockfill dam panel deformation monitoring device and method, comprising a concrete panel (2) located on the upstream side of a rockfill dam (1), wherein a pipe (3) is arranged in the concrete panel (2); the An array type three-dimensional measurement system (6) is installed in the pipeline (3); the array type three-dimensional measurement system (6) is connected to a data acquisition module (7), and the data acquisition module (7) is placed in the protection pier (8); A surface deformation observation pier (9) is arranged at the same position as the protection pier (8). The invention arranges an array type three-dimensional measurement system in the panel to monitor the deformation of the panel, so as to achieve the purpose of continuous and automatic monitoring of the deformation of the panel.

An all-day multifunctional telescope device capable of being both used for solar active region observation and night astronomical observation comprises an optical telescope system, a lightweight cellular main lens and temperature control system, a thermovision field diaphragm and temperature control system, a thermovision field diaphragm adjusting structure, an achromatic imaging system, a light filter, a rotating rack and a data processing and control system. According to the all-day multifunctional telescope device capable of being both used for solar active region observation and night astronomical observation, under the condition that cost and system complexity are not obviously increased, the effective observation time of the telescope device is changed to achieve daytime and night continuous observation from only daytime or night observation, the effective observation time is effectively prolonged, the observation efficiency is improved, important reference is provided for development of telescopes, in particular to development of large-diameter telescopes, and the innovativeness and practicability are achieved.

The invention provides a real-time testing device and a real-time testing method of size deformation after cement based composite materials hardening. The real-time testing device and the real-time testing method of the size deformation after the cement based composite materials hardening comprise a measurement component, a detachable component and a fixing component, wherein the fixing component comprises a base and an outer die. The outer die is arranged at an edge of the base and is perpendicular to the base. The detachable component comprises a round inner die which is perpendicular to the base, and the diameter of the round inner die is 0.5-0.8 times as long as the width of the outer die. The measurement component comprises a dial indicator and a test probe, and the dial indicator penetrates through holes formed in the outer die and the round inner die. The test probe is pre-embedded in a test piece, and the position of the test probe corresponds to the dial indicator. Through a round inner forming test piece, wherein the diameter of the round inner forming test piece is far larger than the height of the round inner forming test piece, the test piece is enabled to freely set, harden and deform in the outer die with the diameter larger than that of the inner die, radial deformation quantity of the test piece after preheating is continuously tested by the adoption of the dial indicator, and under the premise that the test piece is not moved, and the deformation of the test piece cannot be restrained by containers around, the testing device can effectively, continuously and accurately test shrinkage and deformation of the cement based composite material after hardening.

The present invention can realize the laser welding experimental device of magnetic field assisted forming, comprising: frame; sample placement table, sample placement table is arranged on the frame; test plate, test plate is arranged on the sample placement table; permanent magnet, permanent magnet is arranged On the top of the test board; iron core, the iron core is set under the test board, and the iron core is connected to the external power supply. Compared with the prior art, the present invention has the following beneficial effects: the penetration depth of aluminum alloy laser welding is larger, the sum of the gravity on the molten pool and the keyhole vapor reaction force of the molten pool will be greater than the surface tension at the bottom, and the It is easier to leak under the condition of no liner and form weld flash. The purpose of the present invention is to prevent the droplet leakage of the aluminum alloy laser welding, reduce the flow velocity on the upper surface of the molten pool and improve the welding seam formation without a liner. At the same time, taking into account the experimental function, the test plate moves relative to the rectangular frame, while the laser and magnetic field action area is static relative to the rectangular frame, realizing continuous observation of the welding process.

The invention discloses a constructional reinforcement stress coupling connector and a method for connecting and continuously monitoring constructional reinforcement stress. The constructional reinforcement stress coupling connector comprises a nut column, two connectors in threaded connection with two ends of the nut column, and locknuts matched with the connectors. The nut column and the left and the right connectors at the two ends are respectively matched through right-hand threads and left-hand threads respectively; the connectors are connected to the constructional reinforcements, then the nut column is screwed to apply pulling stress to the constructional reinforcements; and the locknuts matched with the connectors can lock the constructional reinforcements, so as to realize the stress coupling connection of the constructional reinforcements. When a reinforcement meter arranged on the constructional reinforcements is broken and replaced, the connector can be used to apply the pulling stress to the constructional reinforcements and enables the starting value of the new reinforcement meter to be the original measured value, thereby continuously monitoring the constructional reinforcement stress.

The invention provides a single-pixel high-speed super-resolution imaging device and a method based on a time domain stretching. The device includes: a femtosecond pulse laser, a coupler, a first photoelectric detector, an arbitrary waveform generator, a doped fiber amplifier, a single mode fiber, a photoelectric modulator, a first collimator, a first cylindrical lens, a first virtual imaging phase array, a first diffraction grating, a first plano-convex lens, a second plano-convex lens, a first microscope objective, an observation object, a second microscope objective, a third plano-convex lens, a fourth plano-convex lens, a second diffraction grating, a second virtual imaging phase array, a second cylindrical lens, a second collimator, a second photoelectric detector, a high-speed oscilloscope, and a data processing unit. The method produces a predefined two-dimensional structure illumination pattern by a spectral coding and a specific spatial position design of an optical element realized by the time domain stretching technology, and realizes a acquisition of continuous images by the single pixel detection and data processing unit of the photoelectric detector.

The present invention provides a method for establishing a skeletal muscle model of EAMG mice with myasthenia gravis. The present invention is based on artificially synthesized AChR peptides to immunize and induce C57BL / 6 mice, combined with infusion of high antigen presentation ability cultivated in vitro Dendritic cells from dendritic cells, establish an immunoenhanced EAMG mouse model, and conduct a new multi-modal skeletal muscle detection on the model. method, the method realizes quantitative analysis, functional imaging evaluation, and tissue target determination of the involved skeletal muscle. The invention creates a method for establishing a skeletal muscle model of EAMG mice with myasthenia gravis, shortens the modeling time of EAMG mice and improves the modeling rate, is conducive to the development of animal experiments on myasthenia gravis, and is beneficial to reduce the risk of myasthenia gravis. Asthenia gravis animal experiments are time-consuming, which is beneficial to control the cost of myasthenia gravis animal experiments.