50results about How to "Few limiting factors" patented technology

The invention discloses a potted plant substrate bag and belongs to the technical field of plant container culture and substrate culture. In order to solve various troubles and the pollution problem occurring during potting, pot change, soil utilization, watering and management of household potted plants at present, the invention provides a household material which is clean, easy, fast and happy for performing the container culture. The technical scheme disclosed by the invention is that the potted plant substrate bag is manufactured by wrapping a potted plant substrate with permeable and breathable cloth, and is characterized in that the substrate is completely wrapped by the cloth; the substrate bag is put in a potted plant container to perform the container culture; the substrate bag is soft and is deformable; the planting side of the substrate bag can be molded, and even can be made into a three-dimensional modeling and a cartoon modeling. Three-dimensional culture can be performed on the three-dimensional modeling; and a waterproof film also can cover on the planting side of the substrate bag. The potted plant substrate bag has functions of various functional mulching films. The invention also provides a culture and application method for the potted plant substrate bag.

The invention discloses an immersed type ultrasonic surface treatment method for a polymer 3D printed product and relates to a surface treatment technology based on an ultrasonic cavitation effect. The surface quality of the printed product is improved. The immersed type ultrasonic surface treatment method for the polymer 3D printed product is characterized in that the roughness treatment of the surface of the product is carried out on the basis of the ultrasonic cavitation principle. The method includes the steps that an ultrasonic grinding device is designed and manufactured and grinding liquid is prepared. The grinding liquid (5) is added in a grinding pond (1), and heating is performed. The 3D printed product (3) is clamped through a support (6), and the position is adjusted. The product is immersed in the grinding liquid, an ultrasonic generation module (2) is started, shock waves generated by blasting of ultrasonic cavitation bubbles are used for driving abrasive materials in the grinding liquid to perform physical impact on the surface of the product, and the surface of the product can be machined. The immersed type ultrasonic surface treatment method for the polymer 3D printed product has the beneficial effects that the requirements for the size and the shape of the product are low, the material applicability is wide, material fusion is avoided because of low-temperature processing, energy consumption is low, and the method is suitable for machining complicated hook faces and the like.

The invention discloses a device and method for measuring thermo-optic coefficient and thermal-expansion coefficient of medium. The device comprises a base, a light source assembly, and a fringe observation assembly, wherein, the base is provided with a support, a hollow sample stage made of metal materials, a heating device, and a temperature measuring device, the light source assembly and the fringe observation assembly are movably connected on the support, the sample is placed on the sample stage, the heating device comprises a power supply, a thermostatic controller, and an electric heater, the electric heater is disposed in the sample stage, and the temperature measuring device is respectively connected to the sample stage and the thermostatic controller. An angle desired can be set by rotating the first and the second screws, the movable light source assembly can cause the light emitted from the light source to illuminate the medium film, the movable fringe observation assembly is used to observe the whole interference fringe, and the heater is used to heating the sample, thus, the thermo-optic coefficient and the thermal-expansion coefficient of medium can be measured by observing the number of the interference fringes which pass the fixed position at different temperatures. In addition, the device has simple structure and the high measuring accuracy.

The invention discloses an inner and outer spherical surface polishing method and a device of a hollow sphere, and relates to a spherical surface polishing method and a device. The device is provided with an extensible inner spherical surface polishing tool and an outer spherical surface polishing system; the inner spherical surface polishing tool and the outer spherical surface polishing system synchronously machine a hollow sphere workpiece to guarantee the sphere center contact ratio of obtained inner and outer spherical surfaces; the extensible inner spherical surface polishing tool consists of a three-dimensional extensible spherical support structural body, a spherical hinge and a small flexible polishing pad; and the outer spherical surface polishing system is provided with an outer spherical surface polishing support structure, an outer spherical surface polishing pad, a guide wheel driving system, a hydraulic driving system and a water outlet pipe.

The invention discloses a seed germination method for idesia polycarpa seedling culture, which comprises the steps of cleaning oil stains on the surfaces of fresh seeds by use of a special detergent for fruits and vegetables; germinating the cleaned seeds in a germination bed.

The invention discloses a balance capability training device for rats with brain injury. The device comprises an outer frame bracket, a console and a plurality of training cages, wherein the console is connected to the outer side of the outer frame bracket; the training cages are arranged abreast in the outer frame bracket, and comprise at least one ordinary training cage and at least one forward and backward balance training cage; a treadmill is arranged in each training cage; a forward and backward swinging regulation mechanism is arranged below the forward and backward balance training cage; the console is electrically connected with each treadmill and the forward and backward balance regulation mechanism. The device can be used for simplex treadmill training and implementing a feeling-balance-motion multifunctional habilitation training mode, the experimental requirements of a researcher can be met, and an advanced animal experiment means can be provided for researches on the neural mechanism rehabilitation of brain injury diseases.

The invention relates to a seed treating method used in culture of idesia polycarpa maxim, which is to soak seeds in fruit cassia nomame extraction liquid for 4 to 48 hours. The soaked seeds are kneaded and washed, then the treated seeds are placed into seedbed for culture. Every litre of cassia nomame extraction liquid uses 5-50 g mashed cassia nomame by butt weight, at a soaking tempertre of 25 to 100 degrees centigrade and a period of 1 to 24 hours.

The invention relates to a universal SSR molecular marker SSR10312a tightly linked with dominant genic male sterility genes in broccoli. A primer pair for amplifying the molecular marker SSR10312a by PCR is as shown in Seq ID No.1-2. The invention further provides application of the SSR molecular marker in a broccoli germplasm resource having dominant genic male sterility genes. The SSR molecular marker can be used for performing assistant selection on a broccoli candidate material in the process of transferring the dominant genic male sterility genes at any period of the broccoli candidate material, has the advantages of high efficiency, few limiting factors and the like, and can be used for improving the efficiency of selecting dominant genic male sterility genes of broccoli and shortening the breeding cycle.

The invention discloses an aircraft equipped with a modular embedded landing gear and an application method of the aircraft; the aircraft comprises an aircraft body and a modular landing gear, and themodular landing gear and the aircraft body are separately arranged; the aircraft is provided with an aircraft rear undercarriage butt joint device and an aircraft front undercarriage butt joint device, and the modular landing gear is embedded into and separated from the aircraft in the air through the aircraft rear undercarriage butt joint device and the aircraft front undercarriage butt joint device. The modular landing gear is independent of the aircraft main body for modular design, the connection relation between the modular landing gear and the aircraft is changed according to the stateof the aircraft, the design of an undercarriage folding and unfolding mechanism is avoided while efficient function implementation of the landing gear is optimized, and limiting factors for overall design are reduced; meanwhile, as no undercarriage needs to be loaded for flight, the space is saved, the oil consumption is reduced, and the voyage is improved.

The invention discloses a novel pole-separating carrying device for an electric pole. The novel pole-separating carrying device comprises two horizontal guide rails and two inclined guide rails. A driving mechanism which is arranged on a platform lorry comprises a reel and a pulley block; the pulley block comprises front and back vertical pulleys which are arranged on the outer side of a long edge of the platform lorry on the same side of the inclined guide rails and front and back horizontal pulleys which are arranged on the upper surface of the platform lorry and are close to the other long edge of the platform lorry; one end of a steel wire rope is fixedly connected to the reel while the other end successively winds across the horizontal pulleys and the vertical pulleys and are bonded to a to-be-unloaded pole; a ratchet mechanism is arranged on the reel, two pulleys are arranged on the vertical pulley in front, the steel wire ropes at two ends of the pole are separately mounted, protecting plates are arranged on supporting rods of the front and back vertical pulleys, and the steel wire rope passes through the front and back vertical pulleys and the protecting plates and is prevented from falling. According to the novel pole-separating carrying device disclosed by the invention, the engineering construction efficiency is improved, and the novel pole-separating carrying device is safe and reliable.

The invention discloses an NFC position coordinate navigation system and a guiding method. The navigation system comprises an NFC active communication device and a plurality of NFC passive communication devices, the NFC passive communication devices are fixedly arranged at corresponding predetermined scene positions respectively, an NFC tag is installed in each NFC passive communication device, and the NFC tag stores an information code of the corresponding predetermined scene position; and the NFC active communication device comprises an NFC card reader and a mobile terminal, the mobile terminal stores a navigation database, and the mobile terminal receives an position information code read by the NFC card reader, and compares the position information code with the navigation database toobtain navigation information. The NFC position coordinate navigation system disclosed by the invention realizes the operations of device offline, non remote communication signal and non satellite positioning signal, and effectively solves the problem of positioning failure caused by external factors, and the NFC tag carries the information code of the corresponding predetermined scene position, so that targets different heights of the same coordinate can be identified, and the accuracy of the positioning i improved.

The invention discloses an integrated feeling-balance-motion training device for rats with brain injury. The device comprises an outer frame bracket, a console and a plurality of training cages, wherein the console is connected to the outer side of the outer frame bracket; the training cages are arranged abreast in the outer frame bracket, and comprise at least one forward and backward balance training cage and at least one leftward and rightward balance training cage; a treadmill is arranged in each training cage; a forward and backward swinging regulation mechanism is arranged below the forward and backward balance training cage; a leftward and rightward swinging regulation mechanism is arranged below the leftward and backward balance training cage; the console is electrically connected with each treadmill, the forward and backward balance regulation mechanism and the leftward and rightward swinging regulation mechanism. The device can be used for simplex treadmill training and implementing a feeling-balance-motion multifunctional habilitation training mode, the experimental requirements of a researcher can be met, and an advanced animal experiment means can be provided for researches on the neural mechanism rehabilitation of brain injury diseases.

The invention relates to an active Q-switched fiber laser pulse width adjusting system, and belongs to the technical field of photoelectrons. The system comprises a pump laser, a reflective fiber bragg grating, a doped fiber, a fiber power stripper, an acousto-optic fiber Q switch, an output fiber bragg grating, an acousto-optic fiber Q switch driver, a pump laser driving power supply and a control unit, the pump laser, the reflective fiber bragg grating, the doped fiber, the fiber power stripper, the acousto-optic fiber Q switch and the output fiber bragg grating are sequentially connected inseries; the pump laser driving power supply, the control unit and the acousto-optic optical fiber Q switch driver are sequentially connected in series; the pump laser driving power supply is communicated with the pump laser; the acousto-optic optical fiber Q switch driver is communicated with the acousto-optic optical fiber Q switch; according to the invention, the Q switch turn-on time is optimized, 10ns-level pulse width and higher power output can be obtained, and tunable pulse width output can be obtained through a table look-up method.

The invention discloses a preparation method of a tungsten selenide thin film. The preparation method of the tungsten selenide thin film includes the following steps that S1, the surface of a cathodesheet is washed clean and is dried; S2, an acidic solution containing selenium and tungsten is prepared, and is deoxidized; S3, the acidic solution containing selenium and tungsten obtained in the second step serves as an electrochemical deposition solution, and with the cathode sheet obtained in the step S1 as an electrode, saturated calomel as a reference electrode and a platinum sheet as a workelectrode, electrochemical deposition is performed, and deposition is performed on the cathode sheet to form the tungsten selenide thin film, wherein deposition voltage is 0.3 V to 0.7 V, depositiontemperature is 25 DEG C to 80 DEG C, and deposition time is 1 min to 20 min; and S4, after electrochemical deposition ends, the tungsten selenide thin film is taken out, and is cleaned and dried, andthe tungsten selenide thin film is obtained. The product obtained through the method is the tungsten selenide thin film controllable in shape and thickness, concentrated in particle shape, uniform indistribution and compact in arrangement.

The invention discloses a novel pole dividing and carrying method. A carrying device comprises two horizontal guide rails and two inclined guide rails; a driving mechanism is arranged on a flat car and comprises a reel, a front vertical pulley, a back vertical pulley, a front horizontal pulley and a back horizontal pulley; the inclined guide rails are pivoted with the flat car; inserting holes are formed in the inclined guide rails; inserting holes are formed in the horizontal guide rails; protecting plates are arranged on supporting rods of the front vertical pulley and the back vertical pulley; and steel wire ropes cross the front vertical pulley, the back vertical pulley and the protecting plates and are prevented from falling. The carrying method comprises steps as follows: after the inclined guide rails are rotated to the working positions on the flat car, a pole is placed at the inclined guide rails, the steel wire ropes cross the pulley blocks to fix the pole, then the pole is driven by the reel to move, and the safety is guaranteed by the aid of supporting columns inserted in the inserting holes during movement of the pole. With the method, the engineering construction efficiency is improved, and the method is safe and reliable.

The invention relates to a narrow nanosecond active Q-switched fiber laser, which belongs to the technical field of photoelectrons. The fiber laser comprises a pump laser, a reflective fiber bragg grating, a doped fiber, a fiber power stripper, an acousto-optic fiber Q switch, an output fiber bragg grating and a cavity, wherein the pump laser, the reflective fiber bragg grating, the doped fiber, the fiber power stripper, the acousto-optic fiber Q switch and the output fiber bragg grating are sequentially connected in series. The cavity is of a horizontally-placed hollow tubular structure. Thedoped fiber, the optical fiber power stripper and the acousto-optic fiber Q switch are arranged in the cavity. One axial end of the reflective fiber bragg grating is in contact with one axial end of the cavity. One axial end of the output fiber bragg grating is in contact with the other axial end of the cavity. According to the invention, the transition time of a pulse in the fiber laser cavity isreduced; and the narrow-pulse-width pulse fiber laser output of which the pulse width is smaller than 20ns is obtained under the condition that a high-speed acousto-optic Q switch does not need to beadopted.

The invention discloses turnover solar power generation equipment with variable illumination intensity. The equipment comprises a machine body, a power cavity is formed in the machine body, a gear cavity is formed in the upper side of the power cavity, a rotating cavity is formed in the upper side of the gear cavity, a lifting cavity is formed in the left side of the machine body, a control cavityis formed in the left side of the gear cavity, a belt wheel cavity is arranged in the lower side of the control cavity, a detection cavity are formed in the upper side of the control cavity, two supporting columns are fixedly arranged on the upper side face of the machine body, a top plate is fixedly arranged on the upper side of each supporting column, a switching device used for rotating and overturning the illumination face is arranged on the upper side of each supporting column, a light condensation device used for adjusting light condensation is arranged in the middle of each supportingcolumn, and a rotating device used for reflecting illumination is arranged on the upper side of the machine body. The equipment can automatically absorb sunlight for generating power, when the sunlight becomes weak, the sunlight is collected through reflection and focusing, and efficient power generation is achieved, so that the equipment can be used in an environment with small illumination, limiting factors of solar power generation are reduced, and the use universality of the device is improved.

The invention discloses an industrial basket type pipeline heating device and a heating method thereof. The device comprises a basket type container and a customized flange plate at the top of the basket type container, wherein the basket type container and the customized flange plate are sealed and fixedly connected; a plurality of heating sleeves penetrate through the customized flange plate to be inserted into the basket type container, and heat conduction silicone oil and electric heating rods are arranged in the heating sleeves; one pipeline at the bottom of the basket type container is used as an inlet pipeline of the basket type container, an inlet valve is additionally arranged on the pipeline, the other pipeline is used as an emptying pipe of the basket type container, and an emptying valve is additionally arranged on the pipeline; a fluid outlet pipeline is connected with the diagonal top of the inlet pipeline of the basket type container on the basket type container, and an outlet valve is arranged on the pipeline; the front portion of the inlet valve on the inlet pipeline of the basket type container communicates with the rear portion of the outlet valve on the fluid outlet pipeline of the basket type container, and a bypass valve is arranged on the pipeline. The invention further discloses a heating method of the device. The industrial basket type pipeline heating device is simple to operate, easy to implement, small in later maintenance work, and wide in application range, and solves the problem of limitation of use conditions of a steam type industrial pipeline heater.

The invention relates to the technical field of medicines, in particular to a medicine for preventing and controlling acetaminophen induced liver injury and an application of the medicine. According to the medicine, acetaminophen induced liver injury can be effectively prevented by fewer types and less dosage of medicine raw materials, and the medicine comprises oryzanol.

The invention provides a primer pair for identifying an eggplant dominant parthenocarpy gene by using an InDel molecular marker and an application of the primer pair. The primer pair for identifying the eggplant dominant parthenocarpy gene by using the InDel molecular marker comprises nucleotide sequences as shown in SEQ ID No.1-2. The invention further provides the InDel molecular marker linked with the eggplant dominant parthenocarpy gene, a kit for identifying the eggplant dominant parthenocarpy gene and a method for identifying the eggplant dominant parthenocarpy gene. The InDel molecular marker and the corresponding primer pair can be used as auxiliary selection in the breeding process of the eggplant dominant parthenocarpy gene, the screening efficiency is high, the primer pair is not limited by the growth cycle of eggplant, the applicability is high, the breeding efficiency of the eggplant dominant parthenocarpy line is improved, and the breeding cycle is greatly shortened.