159 results about "Bunches" patented technology

The invention discloses a rib-pillar-free continuous sublevel filling method for mining preparation in a medium-thickness slope crushed ore body vein. The method comprises the following steps of: dividing a mine block into panel structures with a plurality of sections and bunches, namely dividing sections in a panel, not leaving a rib pillar in the sections, and dividing continuous extraction units; arranging a slope ramp of the panel on an ore body hanging wall, and arranging sectional roadways namely rock drilling ore removal gate ways in the vein; making all the sectional roadways in the panel mutually communicated, and the allocation and transportation of trackless equipment flexible and convenient; performing quarry central up cutting before the extraction, and ensuring the deep hole construction in a quarry upward sector in good conditions; performing operation such as multiple-section quarry rock drilling, blasting, supporting, ore removing, filling and paralleling; using a rib-pillar-free continuous extraction way backing from two wings of the panel to the center in the same sectional quarry, wherein an extraction process is performed sequentially; and filling a gob with tailings or waste stones. The invention relates to the rib-pillar-free continuous sublevel filling method suitable for medium-thickness slope crushed ore bodies, which has a low mining preparation ratio, low loss and high efficiency and the extraction is safe.

The invention discloses a method and apparatus of real-time automatic calibration and compensation for beam drift. The method comprises the following steps that: after the primary collimation of a laser beam is conducted, the laser beam sequentially passes through three beam splitter prisms to be split to obtain a bunch of work beams and three bunches of monitoring beams; and the three bunches of monitoring beams are received by corresponding photoelectric sensing devices and are respectively used for monitoring energy drift and angular offset, parallel offset as well as collimation degree drift, and each parameter of the laser beam is adjusted in real time according to the obtained monitoring information. The device comprises a laser, a single-mode fiber, a collimating lens, a pyramid prism, a first beam splitter prism, a plano-convex lens, a first photoelectric sensing device, a second beam splitter prism, a second photoelectric sensing device, a third beam splitter prism, a rhombic prism, a third photoelectric sensing device, a computer and a nano-translation stage. The method and apparatus have the advantages of high adjustment accuracy, large adjustment range, fast and accurate adjustment process, the interference with each other is not generated, and the structure of the apparatus is concise.

The technical field of the invention is that of making receptacles, packages, or parcels for living organisms or materials that are sensitive to changes in atmospheric conditions or surroundings, such as cut flowers. The lower portion (31) of a funnel-shaped shell overlies and matches the shape of a top portion (21) of a vase (2) which has the same funnel shape as the lower portion of the shell.

A Compton backscattering x-ray source includes an electron storage ring for storing electron bunches. A timing system refreshes an orbiting electron bunch according to a schedule selected to improve at least one attribute of x-ray emission. In one implementation, the electron bunch is periodically refreshed with a period of at least about 10 Hz.

The invention discloses a method for intercepting aircrafts without collateral damage in an unmanned way. The design scheme of the method mainly comprises five steps: confirming the designed width and height of a fiber bunch curtain which is unfolded, revising the designed width, confirming the conditions for the rendezvous of the fiber bunch curtain and the aircraft, and throwing fiber bunches with an unmanned aerial vehicle. When confirming the rendezvous conditions, the relative height in the vertical direction, the relative distance in the airway direction and transverse errors in the vertical direction of an airway between the unmanned aerial vehicle and the aircraft need to be measured; the function of the fiber bunch curtain in intercepting the aircraft can be strengthened by hanging and loading various agents; and in order to enhance the intercepting reliability, a plurality of unmanned planes can be applied to form a plurality of fiber bunch curtains in air simultaneously so as to intercept the aircraft. The method adopts a soft killing way to intercept the aircraft, thus realizing shoot straight; intercepting equipment is convenient to use and maintain; and additional damage in the intercepting process is avoided, and the environment pollution and safety threats are avoided. The complexity of an intercepting system adopting the method is low, thus being beneficial to mass equipment.

The invention discloses a simple spelling method of Chinese input method, which comprises the following steps after dividing syllable of the input phonetic bunches: A1, finding the same joint with every syllable initial of the phonetic bunch in the phonetic dictionary; A2, looking up the general phonetic bunch which matches every syllable of the phonetic bunch up and down at the centre of the joint in the phonetic dictionary; A3, arranging candidate word of the matched general phonetic bunch from big to small according to the word frequency. The invention also discloses a simple spelling system of Chinese input method. The invention reduces the occupied internal memory space, which improves the speed of simple spelling expansion.

The invention provides an all-optical laser plasma accelerator-based small-sized Gamma ray source. The ray source comprises a synchronous dual-output high-power laser system (200), a double-compression-delay system (12), a laser plasma accelerator (18), a particle beam focusing system (24), a scattered light focusing mirror (27) and a particle beam separation system. A bunch of initial laser pulse is separated and amplified through the laser system (200) to generate two bunches of synchronous high-energy laser pulses (10 and 11); the two amplified laser pulses are compressed in a time domain through the double-compression-delay system (12), and proper delay is performed to form a drive pulse (13)-scattering pulse (14) pair; a drive pulse (13) passes through the laser plasma accelerator (18) to generate a relativistic electron beam (21); the particle beam focusing system (24) is used for transmitting the electron beam (21); the scattered light focusing mirror (27) is used for focusing a scattering pulse (14) to the electron beam (21) so as to generate a gamma ray 31); the separation system is used for separating the electron beam (21) from the gamma ray (31).

The invention relates to a construction method of a live branch frame type plane source retaining purified ecological revetment. The method comprises the following steps of: paving rock stones on an included angle position of a riverbank slope surface and a riverbed; bundling epicormic branches of willows, clethraceae and black poplars into live branch bunches; since the live branch bunches form a live branch frame, paving the live branch frame on the riverbank slope surface along the block stones, paving live branch layers and live branch frame layers in a staggered way layer by layer on the live branch frame layers; and paving filling in the top most layer of frame. The invention aims to solve the problems that a natural slope protection way has poor stability, hard slope protection causes adverse effects on the ecology, the environment and the landscape of a revetment, and the ecological slope protection landscape is excessively single and too high in cost. The revetment is completely constructed by natural materials, builds a fine riverbank biological habitat environment and ensures the stability of the revetment; in addition, beautiful natural landscapes are formed on a riverbank revetment, and a plant-gravel-microorganism system formed on the revetment has better retaining and purifying effects on pollutants entering into a river channel in a plane source way.

The invention relates to a method for realizing beam orbital angular momentum spectrometry, which belongs to the technical field of laser application. The invention consists of a light source to be tested, two polarization dispersion prisms, 1/2 wave plate, two parallel optical flats, two pieces of 1/4 wave plates, a total reflector, a rectangular prism, a Porro prism, a Pi/2 phase delay piece and a power detector. The invention adopts the two parallel optical flats and the rectangular prism to realize the beam splitting and the beam combining of the beams, ensure the good parallelism of beam splitting light and the coaxiality of beam combining light, and realize the complete identical optical paths and attenuation of the two bunches of light. The invention adopts the polarization dispersion prism, the total reflector, the Porro prism and the two 1/4 wave plates to realize the beam splitting, and the two bunches of light obtained by the beam splitting rotate coaxially to further realize the coaxial superimposition of the beam and a rotating mirror image thereof. The orbital angular momentum spectrum of an incident beam can be analyzed by measuring the relation between the power of the beam combining light and the rotation of the Porro prism. The method of the invention has application value in the laser intelligence processing field.

The invention discloses a device for carrying out microwave thermal desorption on oil-containing drilling cuttings. The device comprises a microwave generation and conduction unit, a reaction unit, a nitrogen purging unit and a condensation and separation unit; the microwave generation and conduction unit is used for generating micro waves and conducting the generated micro waves to a reaction unit; (ii) the reaction unit is used for receiving the micro waves from the microwave generation and conduction unit and enabling the micro waves to act on the oil-containing drilling cuttings; (iii) the nitrogen purging unit comprises a nitrogen source, a flow controller and at least two nitrogen pipelines, is used for inputting at least two bunches of nitrogen flow into the reaction unit so as to remove air together with oil gas generated by reaction and is capable of controlling the flow velocity of the nitrogen flow; (iv) the condensation and separation unit is used for cooling the oil gas which is generated by the reaction and condensing the oil gas into liquid phase. The invention also discloses a method for carrying out the microwave thermal desorption on the oil-containing drilling cuttings by using the device.

The system combines the RFID technology, network development technology and database technology and uses it into financial field in order to solve the actual issues in cash escort, storage and statistic. The invention uses the RFID tag to identify the money bunches and money boxes; adding the correlative information such as ID number, amount, type and state into the tag; the RFID readers located at cash room and business hall read the tag information to get relevant information such as time, location, operator and amount; after on-line with the management center, realizing the management for the cash.

Disclosed is an apparatus for realizing semiconductor laser spectrum beam combination by utilizing double gratings. The apparatus comprises a semiconductor laser light source, a conversion lens, a first diffraction grating, a second diffraction grating and an output coupling mirror, wherein the semiconductor laser light source emits multiple bunches of parallel light; the light beams are subjected to secondary chromatic dispersion through a diffraction effect of the double gratings; and after the light beams are fed back by the output coupling mirror, the laser of each unit is locked in different wavelengths correspondingly to overlay the respective light beams so as to realize high-power and high-luminance single-beam laser output. By taking the double gratings as a diffraction element, the dispersive power is doubled; when the apparatus is applied to laser spectrum beam combination of the semiconductor laser, the spectrum expansion width can be reduced; by adding more beam combination units to a gain curve of a semiconductor laser gain material, the output power can be improved; and meanwhile, by compressing the length of a resonant cavity, the laser can be compact in structure and the stability can be improved.

The invention provides a light source device for laser display, which is characterized in that the light source device for laser display comprises a plurality of lasers for outputting polarization laser light and a beam combining device combining laser light transmitted by the plurality of lasers, wherein, the laser light transmitted by the lasers is respectively irradiated into the beam combining device so as to be combined into a laser beam via the beam combining device to be output; a plurality of bunches of laser light output by the plurality of lasers have various polarization directions. The invention lowers the production cost of laser source devices, reduces volume and lowers power consumption, and thus the invention has wider applicable range and situation.

The invention relates to a circuit layout structure of a solar cell array. The circuit layout structure of the solar cell array comprises a long-bar-shaped solar cell string, cable bunches and isolating diodes. The long-bar-shaped solar cell string is arranged on the front face of a substrate of the solar cell array in the direction perpendicular to the spreading direction of a solar wing. The cable bunches are arranged on the back face of the substrate in the direction parallel to the spreading direction of the solar wing, and the cable bunches are close to the positions of the positive output end and the negative output end of the solar cell string. The isolating diodes are arranged on the substrate and are connected with the cable bunches in series.

The invention discloses a T-shaped steel pipe bunch combined structure. The T-shaped steel pipe bunch combined structure is composed of a T-shaped steel pipe bunch assembly, wherein the T-shaped steel pipe bunch assembly is formed by connecting a plurality of steel pipe units in sequence, each steel pipe unit is provided with a cavity, concrete is poured into each cavity, studs are arranged on the lateral wall of each cavity, and through holes are formed in a separating plate between every two adjacent steel pipe units. According to a component of the T-shaped steel pipe bunch combined structure, steel pipe bunches are manufactured in factories and assembled on site, and the concrete poured inside each cavity is an integrity, is poured conveniently and does not need formwork erection. The steel pipe bunches and the concrete work cooperatively through the studs, the combination function is reliable, the bending, pressure-resistant and shearing-resistance capacity is high, all production procedures of the component of the steel pipe bunch combined structure adopt industrial equipment, the production speed is high, product quality is reliable, and a large amount of labor is saved.

A laser-plasma-based acceleration system includes a focusing element and a laser pulse emission directing a laser beam to the focusing element to such that laser pulses transform into a focused beam and a chamber defining a nozzle having a throat and an exit orifice, emitting a critical density range gas jet from the exit orifice for laser wavelengths ranging from ultraviolet to the mid-infrared. the critical density range gas jet intersects the focused beam at an angle and in proximity to the exit orifice of the nozzle to define a point of intersection between the focused beam and the critical density range gas jet. In intersection with the critical density range gas jet, the pulsed focused beam drives a laser plasma wakefield relativistic electron beam. A corresponding method of laser-plasma-based acceleration is also described. The critical density range may include 2×10²⁰ cm⁻³ to 5×10²¹ cm⁻³.

The invention provides a ball seat type rubber plug system for liner cementing. The ball seat type rubber plug system comprises a drill rod rubber plug, a tail pipe rubber plug and a bearing seat (4), wherein the drill rod rubber plug is fed from a well mouth at the time of mud displacement, the tail pipe rubber plug is placed below a feeding tool, and the bearing seat (4) is located at the bottom of a tail pipe. The ball seat type rubber plug system is characterized in that the tail pipe rubber plug is a ball seat type tail pipe rubber plug, an expansion ball seat (13) is installed at the bottom of the tail pipe rubber plug, the bottom end of the expansion ball seat (13) is of an elastic closing-in structure, and the elastic closing-in structure is opened due to deformation when pressure meets the needs. By adopting the ball seat type rubber plug system provided by the invention, the ball falling time is reduced, the collision frequency between the ball and tail pipe bunches in the ball falling process is reduced, the difficulty of easiness in sticking and blocking when tripping balls in a extended reach well pass through a building section or tangent section at the bottom of the tail pipe is solved, the operation time is saved, the balls are protected, the sealing effect is improved, the displacement efficiency is effectively improved, the well cementation success rate is improved, the drilling time is saved and the drilling cost is lowered.

The invention discloses a constructing method of a main tower of a cable-stayed bridge through circumferential prestressing force. The constructing method comprises the following steps of mounting a stiff framework; mounting and positioning anchor backing plates; mounting collapsing resistance reinforcing bars and corrugated pipes; blanking steel strand wires, and guiding bunches of steel strand wires into pores; performing formwork construction and concrete construction; performing prestressing force tensioning; performing pore grouting; and performing cutting and anchor sealing. According to the constructing method disclosed by the invention, the constructing efficiency and the mounting accuracy are effectively improved, the cutting of structural main reinforcing bars can be reduced, the anticorrosion capacity can be effectively improved, the structural dimension and the using safety of the structure are also guaranteed, little equipment is used during construction, and the working procedure is simple.

The invention discloses a picking point positioning method which comprises the following steps: obtaining a trained YOLOv3 target detection model, collecting and detecting a fruit growth area image, obtaining the number and positions of fruits in a detection view field, and fusing a feature extraction network of dense connection and residual idea with the target detection model; judging the numberof fruits in the visual field, and judging the images as a distant view and a close view according to the number; performing branch segmentation on the close-range image by using a semantic segmentation model to obtain a branch segmentation image; carrying out target detection on the distant view; judging whether the number of fruits in the branch segmentation image is 1 or not, if yes, using a single-fruit picking strategy, and if not, using a multi-fruit picking strategy; and acquiring final picking positioning point. According to the method, non-damage picking of mature bunches of fruits can be achieved, the shear point positions of the mature bunches of fruits are accurately found and positioned through an algorithm, fruit shear type picking is achieved, and integrity and picking efficiency of the fruits are guaranteed.

The invention relates to a large-caliber long-focus collimator focal point real-time monitoring system. A laser device of the system emits laser beams, and the laser beams are divided into two bunches of lasers through a laser beam splitter. The two bunches of lasers pass through a slit after being reflected by a semi-reflecting and semi-transparent lens, and then are reflected to a main lens of the collimator through a reflecting lens. The two bunches lasers reflected by the main lens are reflected four times in turnover mode by two pentaprisms, and then are reflected back through the main lens. The two bunches lasers pass through the slit again after being reflected by the reflecting lens, and pass through two sets of dialyte lenses behind the semi-reflecting and semi-transparent lens and are converged on a charge coupled device (CCD). A processor calculates the distance between two faculaes according to image data received by the CCD, and then size and direction of defocusing amount can be obtained. An emitting light path and a receiving light path are in the same plane, and relative positions of elements are easy to guarantee when the large-caliber long-focus collimator focal point real-time monitoring system is mounted so as to reduce mounting and adjusting difficulty of the whole system.