40results about How to "Guaranteed overflow" patented technology

The invention belongs to the technical field of processing of tea leaves, and particularly relates to a tea leaf rolling method and a processing technology of a green tea and a black tea using the method. According to the tea leaf rolling method and the processing technology disclosed by the invention, in tea leaf rolling working procedures, globular rolling assisting substances are added to tea leaves to be rolled, and at least the spherical surfaces of the globular rolling assisting substances are covered with food-level glue layers, so that the tea leaf rolling effect of the tea leaf rolling working procedure in the prior art can be greatly improved. The processing steps of tea leaves can be further simplified, and synchronously, the quality and the uniformity of the tea leaves are improved. Besides, according to the working procedures of performing roller fixation on fresh green tea leaves, rolling the tea leaves on which fixation is performed, primary drying and sufficiently drying, and the working procedures of withering fresh black tea leaves, rolling the withered tea leaves, fermenting the rolled tea leaves, primary baking the fermented tea leaves and sufficiently drying the dried tea leaves, and based on the method, the processing flows of the black tea and the green tea in the prior art are further simplified, and synchronously, the quality and the processing efficiency of the tea leaves are improved.

The invention discloses a diamond wire saw production line capable of ensuring enough sanding time for a metal wire and improving the moving speed of the metal wire. The production line comprises a wire placing device, an alkali washing device, a before-acid water washing device, a acid washing device, a before-sanding water washing device, a sanding device, an after-sanding washing device, a sand consolidating device, an after-sand-consolidation water washing device, a drying device and a wire taking device which are disposed successively along the moving direction of the metal wire used for electro-plating diamond micro powder. The sanding device comprises a sanding tank; at least one liquid inlet is disposed on the bottom or the lower part of the sanding tank; both sides of the sanding tank are respectively provided with a tumbling barrel; the pair of tumbling barrels are disposed parallelly and horizontally; a plurality of wire grooves are formed on the tumbling barrels; and an upper and a lower wire passing hole are formed on the sanding tank at the sides near the corresponding tumbling barrels. Compared with the traditional diamond wire saw production lines, the wire speed of the production line disclosed by the invention is improved by more than 5 times.

The invention discloses an asphalt pavement local damage impermeability repairing method, and belongs to the field of pavement repairing. According to the asphalt pavement local damage impermeabilityrepairing method, when repairing a local damage part, an impermeable ball net is paved between cement paste and an asphalt layer, and in a rolling compaction process, on one hand, the pre-broken ballson the trailing impermeable balls are stressed and broken, and the waterproof coating inside the trailing impermeable balls permeates downwards into the lining net layer and fills the lining net layer so that a high-strength waterproof interlayer with a lining is formed, the impermeability of the repaired pavement is high, and the the situation that the overall pressure resistance becomes poor due to strength damage caused by water seepage in the pavement is effectively avoided, and the service life of the repaired pavement is obviously prolonged; on the other hand, the reinforcing tail and the extension connecting wires on the reinforcing tail are embedded into the cement paste so that the internal connecting strength of the cement paste can be effectively improved, large-area fragmentation is not likely to happen after the cement paste is heavily pressed, and the strength of the repaired asphalt pavement is further improved.

The invention relates to a pipeline regulation and storage system. The system comprises a pipeline, intercepting devices and liquid level sensors, wherein the pipeline is arranged obliquely, and the horizontal height of the upstream is larger than that of the downstream; the intercepting devices are arranged in the pipeline and intercept the pipeline into multiple water storage regions; each waterstorage region is provided with one liquid level sensor, and the liquid level sensors are used for detecting the liquid levels of the corresponding water storage regions. The intercepting device at each place can be controlled to be closed to the set height value, and then flow of the pipeline overflows from the tops of all the intercepting devices to the downstream of the pipeline. In this way,regulation and storage are realized with own space of the pipeline, peak staggering of downstream drainage can be realized, and city waterlogging is avoided.

The invention discloses a system and a method for continuously measuring high-concentration sewage exceeding the applicable range of an online instrument, and belongs to the technical field of wastewater treatment. The measuring method comprises the following steps: a dilution metering pump pumps dilution water with a concentration of C<dilution> according to a quantity of flow Q<dilution>; a sampling metering pump pumps a to-be-detected high-concentration sewage sample according to a quantity of flow Q<sample>; the dilution water and the to-be-detected high-concentration sewage sample are hydraulically and uniformly mixed in a pipeline mixer, enter a mixed water storage tank and then overflows out; if the indexes of the water sample measurement of the mixed water storage tank meet the range of a mixed water concentration measuring instrument, a PLC directly and automatically calculates the concentration C<sample> of the to-be-detected sewage sample according to the obtained concentration of mixed water; and if the concentration of the water sample in the mixed water storage tank exceeds the range of the instrument, the quantity of flow of the dilution water is increased or the quantity of flow of the to-be-detected sewage is reduced, and the concentration of the mixed water is updated under the hydraulic action until the concentration of the mixed water is within the range ofthe mixed water concentration measuring instrument. The method provided by the invention can realize continuous measurement of high-concentration sewage exceeding the applicable range of an online instrument.

The invention discloses a waterbed structure for a compound cutting machine. The waterbed structure comprises at least two waterbed bodies arranged side by side, wherein each waterbed body comprises a water storage tank, a fence arranged in the water storage tank and a flat plate arranged at the top of the fence, and a gap exists between the flat plate and the water storage tank; a plurality of support strips are arranged on the flat plate and are used for supporting a plate to be machined; a water pipe for communicating the two water storage tanks is arranged between the adjacent two waterbed bodies, and a water-delivery pump is arranged on the water pipe. As a plurality of waterbed bodies are arranged, when the compound cutting machine machines the plate to be machined on one waterbed body, other waterbed bodies can carry materials and remove slag. The structure with multiple waterbed bodies can greatly improve the machining efficiency. The water pipe for communicating the two water storage tanks is arranged between the adjacent two waterbed bodies and can pump water in one water storage tank into the other waterbed body, and therefore the waterbed body with delivered water can reach the machining liquid level height.

The invention provides a sandwich type composite membrane support which comprises a compact outer layer, a sandwich layer and an inner layer, wherein the compact outer layer, the sandwich layer and the inner layer are arranged from top to bottom; the compact outer layer is a polylactic acid membrane, the sandwich layer is prepared from biological active factor loaded mesoporous biological active glass balls, and the inner layer is a seed cell loaded chitosan membrane. Therefore, the problem that a single nerve tract which is damaged (but not died) cannot be repaired and treated by the prior art is solved; the problems that an existing drug carrier system cannot achieve directional medicine release and cannot ensure high concentrations of damaged partial factors are solved; the problems that most drug carrier systems are easy to degrade, the drug carrier amount is low, and medicine release cannot run through a spinal cord injury repairing process all the time are solved; the problems that the drug carrier systems is overlarge in volume, may compress spinal cord and meanwhile are not favorable for sewing endorhachis to cause leakage of cerebrospinal fluid are solved.

The invention provides a locomotive rear end door. The locomotive rear end door comprises a door frame, a door skeleton, a sliding device and a lock; the sliding device comprises a cantilever frame, a pulley, a sliding fixing plate, a limiting block and a door stop block; the sliding fixing plate is arranged on the door frame, and a clamping groove matched with the pulley is formed in the sliding fixing plate; the cantilever frame is arranged on the door skeleton, the pulley is arranged on the cantilever frame, and the pulley is placed in the clamping groove of the sliding fixing plate; a limiting block for limiting sliding of the pulley and a door stop block are respectively arranged on the door frame and the cantilever frame; the lock comprises a lock body, a lock tongue, a spring, a pull rope and a door lock positioning block; a handle is arranged on the lock body, the handle is connected with the lock tongue through the pull rope, the lock tongue is provided with the spring, and the spring is used for resetting the spring bolt after the action of the lock tongue; and the lock tongue and the door lock positioning block are respectively arranged on the door skeleton and the door frame. According to the locomotive rear end door, opening and closing of the door is realized through the lock and back-and-forth sliding of the door is realized through the sliding device, so that the push-and-pull type vehicle door is formed, and the problem of insufficient locomotive space is well solved.

The invention relates to an alpha-barium boron oxide (alpha-BBO) polarizing prism. During material selection, a crystalline material, namely LiF crystals with the highest vacuum ultraviolet-far infrared transmittance, the best ultraviolet-far infrared crystalline materials, namely alpha-BBO crystals, for making a polarizing prism, and LiF crystals with extremely low refractive index are particularly selected. During design, a cuboid hamburger structure connected by two alpha-BBO crystal prisms and a piece of LiF window optical cement is adopted, a light path is completely glue-free, the transmittance is high, the vertex angles of the two alpha-BBO crystal prisms are 57.8+ / -0.2 degrees, an optical axis of the alpha-BBO polarizing prism is vertical to an o-light spilling plane, the o-light is totally spilt from the side face, the volume is small, the wavelength coverage range is between 0.19 and 3.5 mu m, the total incident angle of the o-light and e-light is more than 11 degrees in the whole wavelength range, the extinction ratio is less than 5*10<-6>, and the transmittance is high.

The invention discloses a preparation method for pressing and bonding NdFeB magnets. A binder solution is prepared by using ethyl acetate instead of acetone as a solvent, graphite powder is used instead of zinc stearate as a lubricant, and a NdFeB magnet powder is used as a lubricant. The two mixing processes with the binder solution make the finished master powder contain more epoxy resin than the normal use amount, which improves the mixing uniformity of the NdFeB magnetic powder and the excessively used binder solution. The binder is evenly overflowed and wrapped on the surface of the substrate to form a protective layer; the advantage is that it avoids the control of acetone purchase, storage and use, reduces material management costs, avoids magnet surface defects caused by zinc stearate vaporization, and omits electroplating It avoids environmental pollution caused by coating processes such as electroplating or electrophoresis, and avoids additional investment in wastewater and waste gas treatment generated by coating processes such as electroplating or electrophoresis. The process is simple and the process cost is relatively high. Low.

The invention discloses an image brightness adjustment system used in a magnetic resonance system, which includes: a reconstruction module, which is used to combine signals from receiving coils to reconstruct an original image; a search module, which is used to search for the brightness range of the original image [ Smin, Smax]; the setting module is used to set the brightness limit F, wherein F<2N, and F takes a positive integer, and N is the number of bits of the image; the calculation module is used to calculate the brightness factor α, α=F / (Smax-Smin); conversion module, for utilizing formula Id=α*Ir, original image is converted into DICOM image, and wherein, Id is the brightness of DICOM image, and Ir is the brightness of original image. By automatically calculating the brightness factor in the present invention, the overflow of the brightness part of the image signal can be ensured, and at the same time, the maximum gray scale range of the magnetic resonance DICOM image can be utilized to the greatest extent.

The invention discloses a system for adjusting the brightness of an image in a magnetic resonance imaging system. The system comprises a reconstruction module, a searching module, a setting module, a calculation module and a conversion module, wherein the reconstruction module is used for combining signals of receiving coils and carrying out reconstruction to obtain an original image; the searching module is used for searching for the brightness range [Smin, Smax] of the original image; the setting module is used for setting a brightness limit F, F is smaller than 2N, F is a positive integer and N is the image digit; the calculation module is used for calculating a brightness factor alpha, alpha=F / (Smax-Smin); and the conversion module is used for using a formula Id=alpha*Ir to convert the original image into a DICOM (Digital Imaging Communications in Medicine) image, Id is the brightness of the DICOM image, and Ir is the brightness of the original image. The signal brightness part of the image can be ensured to overflow through automatically calculating the brightness factor, and the maximal gray scale range of the magnetic resonance DICOM image can be used maximally.

The invention relates to an unpowered cyclone reaction method and a reactor, wherein the method comprises the following steps of: (1) adding a flocculating agent into water containing suspended substances; (2) enabling the water with the flocculating agent to flow through a section of high-speed pipeline through an inlet pipeline, wherein the diameter of the high-speed pipeline is smaller than that of the inlet pipeline; (3) enabling the water flowing through the high-speed pipeline to flow through a section of middle-speed pipeline, wherein the diameter of the middle-speed pipeline is larger than that of the high-speed pipeline but smaller than that of the inlet pipeline; (4) enabling the water flowing through the middle-speed pipeline to flow through a section of low-speed pipeline, wherein the diameter of the low-speed pipeline is equal to that of the middle-speed pipeline; (5) enabling the water flowing through the low-speed pipeline to flow through a section of full-flow pipeline, wherein the diameter of the full-flow pipeline is much larger than that of the inlet pipeline; and (6) enabling the water flowing through the full-flow pipeline to flow through a section of outlet pipeline, wherein the diameter of the outlet pipeline larger than that of the inlet pipeline but smaller than that of the full-flow pipeline. The invention solves the technical problems of incapability of continuous working, large maintenance difficulty, low utilization ratio and high cost of traditional mechanical stirring and coagulation reaction and has the advantages of wide application range and continuous working.

The invention discloses a wear leveling perception-based non-volatile memory encryption system. The system comprises a storage region, a counter cache, an encryption engine and a wear leveling module, wherein the counter cache is used for caching a row counter and a region counter; the encryption engine is used for generating a one-time key according to the row counter, the region counter, a physical row address and a global key; and for each sub storage region, the wear leveling module is used for reading out old ciphertext data in a physical row of the sub storage region when the frequency of executing a writing request in the sub storage region reaches a preset threshold, performing XOR on the old ciphertext data and the one-time key to obtain new ciphertext data and finally writing the new ciphertext data into a new physical row to finish remapping operation. The key and the ciphertext data are updated by utilizing the remapping operation of the wear leveling module, and finally the purpose of ensuring security by utilizing relatively few counters, so that the storage and performance costs of non-volatile memory encryption are reduced.