15results about How to "Simple technology" patented technology

The application provides a substrate carrier, a conveying system, a vacuum system and a method for operating the substrate carrier, the substrate carrier comprising a bearing frame, a substrate bearing surface, a groove and a heat absorbing sheet, the substrate bearing surface is used for placing a substrate, a groove is arranged on the bottom side of each substrate bearing surface, a heat absorbing sheet is arranged on the bottom surface of the groove, the emissivity of the first surface of the heat absorbing sheet is greater than the emissivity of the second surface of the groove bottom surface and / or the heat absorbing sheet, in this case, the low emissivity surface can inhibit heat dissipation, and the high emissivity surface can allow heat to pass through efficiently, therefore the first surface of the heat absorbing sheet can reabsorb the thermal radiation of the substrate and transmit to the second surface or the groove bottom surface, and good heat dissipation effect is achieved. This technology is simple and low in cost, meanwhile, the coating speed does not need to be reduced, and the problem of temperature rise of the substrate can be effectively solved without reducing the processing efficiency.

The invention discloses a manufacturing method for recrystallizing semiconductor material silicon carbide, belongs to the technical field of material science, and aims to solve the problems that a material'dead zone 'possibly occurs, the cost is high, the technology is complex and difficult, and the rejection rate is relatively high when silicon carbide crystals are manufactured by a silicon carbide differential high-temperature vapor deposition method. Comprising the following steps that 1, 4-5 kg of 24-mesh high-purity silicon carbide, 2-3 kg of 100-mesh high-purity silicon carbide and 1-2 kg of differential silicon carbide are selected; 2, the high-purity silicon carbide selected in the step 1 is mixed and put into an electric furnace, and 2-3 kg of 100-mesh monocrystalline silicon is laid at the bottom of the electric furnace; 3, the temperature is increased to 1100 DEG C and kept for 1 h, then the temperature is increased to 1600-2200 DEG C, and heat preservation is conducted for 24-48 h; and 4, blowing out the furnace and discharging. The method is low in cost, simple in technology and high in economic benefit.

The application provides a geotextile mat with electroosmosis function, and belongs to the technical field of geotextile mats.The application comprises a fixing rod arranged on a geotextile mat body;an electrode arranged on the geotextile mat body and fixed on the fixing rod, used for providing the geotextile mat with electroosmosis function, and also used for acting as a keel of the geotextile mat to limit deformation of the geotextile mat; a data collector arranged on the geotextile mat body, used for measuring tailing pressure and water content and transmitting to a power supply collecting device; and a potential measuring needle arranged on the data collector, used for measuring current and voltage between tailings and transmitting to the power supply collecting device.The application has the electroosmosis function by arranging the electrode and the data collector on the traditional geotextile mat and cooperating with the power supply collecting device, and can adjust the drainage intensity according to actual conditions, so that the monitoring-drainage integration is realized.

The invention provides a steering difference compensation method and system for an atom magnetometer, and the method comprises the steps: constructing a stable magnetic field space, enabling a three-axis magnetometer to be in rigid connection with the atom magnetometer, and calibrating the rotation angle of the atom magnetometer relative to the magnetic field direction through the three-axis magnetometer; performing spatial 360-degree rotation in a stable magnetic field space, recording a magnetic field value corresponding to each angle, totally obtaining a 360-degree steering difference distribution curve of the atom magnetometer, and burning the curve into a signal processor; in actual use, according to the real-time included angle between the atom magnetometer and the magnetic field and the actual magnetic field value corresponding to the included angle, the signal processor calls the steering difference distribution curve, obtains the steering difference under the included angle, processes the steering difference of the compensation atom magnetometer, and obtains the magnetic field value after the steering difference is compensated. According to the technical scheme, the technical problems that in the prior art, an atom magnetometer is high in production cost and large in assembly difficulty are solved.

The application relates to the technical field of monitoring, and provides a monitoring method, a monitoring system and a vacuum pump. The monitoring method comprises the following steps: acquiring an axial displacement parameter of a rotating shaft; comparing the axial displacement parameter with a set displacement alarm threshold value; and performing alarm in response to the axial displacement parameter being greater than or equal to the displacement alarm threshold value. Therefore, the axial gap of the rotating shaft of the vacuum pump can be monitored in real time, so as to improve the technical problem that the rotating shaft of the vacuum pump is stuck due to the excessively small axial gap.

The application relates to a preparation method of a high-stability thick-film transfer flexible thermocouple, and belongs to the technical field of temperature sensors. The application specifically relates to a preparation method of a high-stability thick-film transfer flexible thermocouple. The application aims to solve the problems of complex preparation process, poor stability and difficult guarantee of thermocouple precision of the flexible thermocouple. The method comprises the following steps: S1, preparing a sacrifice layer; S2, preparing a high-stability thick-film thermocouple; S3, transferring the high-stability thick-film thermocouple; and S4, encapsulating to obtain a high-stability thick-film thermocouple flexible temperature sensor. The thermocouple has the advantages of excellent stability, high precision and flexibility, can be widely applied to flexible electronics and special-shaped surface micro-environment temperature signal collection and measurement, and the flexible temperature sensor prepared by the application is designed and manufactured based on a thick-film process technology, has a mature manufacturing process, low cost and is easy to mass produce.

The invention provides a uranium-contaminated soil plant in-situ remediation method based on chelating agent synergy, which comprises the following steps: screening a remediation plant and a chelating agent suitable for target mining area soil through a potting experiment, sowing or transplanting a target remediation plant with uranium enrichment capacity on uranium-contaminated soil to be remedied, and carrying out in-situ remediation on the uranium-contaminated soil to be remedied. When the target remediation plant enters the vigorous growth period, a target chelating agent is applied to the rhizosphere soil of the plant so as to ensure that the effective state release process of uranium is matched with the efficient absorption period of the remediation plant, so that extraction and enrichment of uranium by the target remediation plant are synergistically enhanced, and after the target chelating agent is sprayed, the target remediation plant is harvested within preset time so as to achieve the purpose of repairing uranium. And uranium and other heavy metals are removed. According to the method, a slow-release activation-plant absorption synergistic system is constructed, so that the remediation efficiency and engineering feasibility of the uranium-contaminated soil are greatly improved on the premise of ensuring the environmental safety.

This utility model provides an atmospheric pressure high-efficiency electrode boiler system, which includes an electric heating tank, an electric heating electrode disposed on the electric heating tank, and an external heat exchange system connected to the electric heating tank; the electric heating tank is filled with high-carbon molecular heating oil; the electric heating tank is provided with a reaction additive addition port; the electric heating electrode is inserted into the high-carbon molecular heating oil; the external heat exchange system includes a first circulation pump connected to the electric heating tank and a heat exchanger connected to the outlet of the first circulation pump; the heat exchanger is connected to the load side; the inlet of the first circulation pump is connected to the outlet of the electric heating tank; the outlet of the first circulation pump is connected to the heat source side inlet of the heat exchanger; the heat source side outlet of the heat exchanger is connected to the inlet of the electric heating tank. This utility model has the characteristics of low manufacturing cost, stable, safe and energy-saving system.

The utility model relates to the technical field of tire valves, and discloses a single-channel tire valve capable of integrating an inflation and deflation system, which further comprises a valve body (1), a diaphragm valve core (2) is arranged in the valve body (1), the diaphragm valve core (2) divides the valve body (1) into an outer cavity (11) and an inner cavity (12) communicated with a tire, and the single-channel tire valve further comprises a floating valve core (3) arranged in the inner cavity (12). And the floating valve core (3) is pushed by air pressure to displace and is in contact fit with an air port of the inner cavity (12). The system can be applied to some high-end automobiles or scenes with high requirements for vehicle automation, and is low in cost, simple in technology and convenient to maintain and replace.

The invention discloses a method for creating a spawning environment by using a natural river channel to induce natural breeding of Yangtze river sturgeons. The method comprises the following steps: S1, site selection of a test river reach and habitat background investigation; s2, constructing a spawning site; s3, parent selection and adaptive domestication; s4, simulating spawning ecological hydrological conditions for induction; and S5, breeding behavior monitoring and effect verification. By the adoption of the technical scheme, in a natural water area, the Yangtze river sturgeons can be induced to spontaneously complete natural breeding of the whole process from courtship, oviposition to fertilization in a low-cost, high-efficiency and non-artificial induced spawning mode through the natural environment.

The present application belongs to the field of biotechnology, and provides a method for inducing transgenic hairy roots of Toona sinensis. The present application successfully uses Agrobacterium rhizogenes transformation for the first time to induce transgenic hairy roots of Toona sinensis, directly observes the efficiency of the transgenic hairy roots through the red RUBY gene and the GUS reporter gene carried by the vector, and calculates the transformation efficiency to be more than 90% according to the strains. The uvGFP gene with a strong green fluorescent signal is successfully transformed, and can be used for the verification and screening of the transgenic hairy roots. The transgenic Toona sinensis tissue is obtained under non-tissue culture conditions, the operation process is simple, the technology is simple, the cost is low, the efficiency is high, the complete transgenic plant can be further generated through the transgenic hairy roots, and the difficulty in the verification of the gene function of Toona sinensis is overcome.

The invention relates to an information processing apparatus, a method, and a non-transitory computer-readable medium. The present invention improves techniques relating to setting of a vehicle. An information processing device (20) acquires user information of a user associated with a vehicle via an in-vehicle communication device of the vehicle. Next, the information processing device (20) identifies a terminal device (10) associated with the user. Then, if the vehicle corresponds to the digital key and the user has signed a contract with the digital key, the information processing device (20) displays on a screen first information for both authenticating the user and registering the digital key in the vehicle using the specified terminal device (10). In other cases, the information processing device (20) displays, on a screen, second information for authenticating the user using the specified terminal device (10).

The invention relates to the technical field of offshore photovoltaic platform foundation pile sinking construction, and discloses an offshore photovoltaic foundation hydraulic pile gripper which comprises a pile gripper body installed on a pile stabilizing platform; and the hydraulic pushing mechanism is arranged at the top end of the pile gripper body and comprises a plurality of hydraulic oil cylinder assemblies which are circumferentially distributed around the central axis of the pile gripper body. According to the offshore photovoltaic foundation hydraulic pile gripper, a hydraulic pushing mechanism arranged at the top end of the pile gripper is cooperatively matched with a limiting mechanism at the top end of the bottom of the pile gripper, a hydraulic oil cylinder body of the hydraulic pushing mechanism can flexibly stretch out and draw back to adapt to steel pipe piles with different pile diameters, and a limiting inserting plate can adjust the position in a limiting fixing base and is locked through a limiting plug pin; the hydraulic oil cylinder body and the limiting inserting plate do not need to be machined or replaced in advance, the hydraulic oil cylinder body and the limiting inserting plate can be rapidly matched with the steel pipe piles of multiple specifications by adjusting the positions of the hydraulic oil cylinder body and the limiting inserting plate, the pile gripper can be matched with the steel pipe piles of multiple different specifications, and the adjusting process is operated.

The application discloses a process for improving the performance of a excavator and relates to the technical field of excavators. The process comprises the following steps: step S01, starting the engine and making it run at full throttle after preheating and performing digging, soil throwing, walking and lifting operations, detecting and recording the bucket digging force, bucket rod digging force, lifting force and traction force; and step S02, installing a hydraulic system tester on the high-pressure pipeline of the hydraulic pump of a new excavator by using a bypass method, making the pump run at a rated speed, and observing and recording the flow readings of the front and rear pumps of the tester when the hydraulic oil temperature is 50+ / -5 DEG C. The application is a process technology for adjusting the pressure of each working oil cylinder of the main control valve in the hydraulic system of a new or old excavator and the excellent matching of the pump and the engine, fully improves the fuel utilization rate of the engine and the working efficiency and benefit of the whole machine, saves energy and is economical, and can improve and repair the performance and quality of the new or old excavator, such as the digging, crushing, lifting moment and speed.

The application relates to the technical field of goods storage, and discloses a movable storage unit and a storage system, wherein the storage unit comprises a transfer assembly and at least one storage layer. The first transfer mechanism capable of conveying goods along the horizontal first direction and the horizontal second direction is arranged on the transfer assembly, the storage sites suitable for storing goods are arranged in the circumferential direction of the transfer assembly, and the second transfer mechanism capable of conveying goods along the horizontal first direction and the horizontal second direction is arranged at each storage site. The automatic storage and taking of goods can be realized, each storage site has the capability of autonomously transferring goods, the compact design of the structure of the storage unit is facilitated, the space utilization of the storage unit is effectively improved, the construction and use cost of the storage unit is lower than that of the known goods storage and taking scheme, and the technology is simpler and easier to realize.