58results about How to "Addressing quality degradation" patented technology

The invention discloses a method, a device and a network system for transporting an optical transport unit (OTU) by an optical transport network (OTN), relating to the network field and solving the problems of slide code channel quality degradation, and the like caused by different overload rates of optical data transmission frames in the prior art. The method provided by the technical scheme comprises the following steps: at a source node, mapping a received OTUj and data to be sent by a local OTN into an OTUk of the local OTN for transmission; and at a host node, de-mapping and transformingthe OTUk into the OTUj and extracting the carried data, wherein j and k respectively represent the rate grades of the OTU. The invention can be applied to transporting information among networks.

The invention relates to a limestone machine-made sand dry-mixed mortar and a preparation method thereof, belonging to the field of building materials. The limestone machine-made sand dry-mixed mortar comprises the following raw materials in parts by weight: 10-25 parts of cement, 5-8 parts of coal ash, 70-85 parts of machine-made sand and 0.06-0.08 part of mortar water-retention plasticizing agents, wherein the machine-made sand is limestone machine-made sand. The limestone machine-made sand dry-mixed mortar disclosed by the invention has the advantages of good cohesiveness, high water-retention rate, high compressive strength, good operability, economy, environmental protection, resource saving and the like, and is a green building material with excellent properties. The preparation method disclosed by the invention is simple and low in cost.

The invention relates to an underwater concrete containing limestone machine-made sand and a preparation method thereof, and belongs to the field of construction materials. The concrete comprises the following raw materials in parts by weight: 5 to 20 parts of cement, 1 to 7 parts of mineral powder, 0 to 5 parts of coat ash, 35 to 45 parts of broken stone, 30 to 40 parts of machine-made sand, 5 to 8 parts of water, and 0.1 to 0.8 part of water reducer; wherein the machine-made sand is limestone machine-made sand. The concrete has the advantages of good cohesiveness, fluidity, and water retaining performance, high strength, good durability, simple production technology, low cost, and good economic and social profits.

The invention relates to the fields of semiconductors, LEDs, photovoltaic solar energy production and the like, and concretely relates to a purifying method for ultra-pure hydrogen, argon and helium. The method includes a drying deoxidation process, a degassing process and a regeneration process; the three processes are realized by a control system, and the control system comprises a central control unit, and a flow meter, a programmed valve group, an alternating current contactor, a pressure sensor and a heating element which are respectively connected with the central control unit. The deep removal of O2, H2O, CO, CO2, N2, CH4, TCH and other impurities in feed gas solves the problem of electronic component quality decrease caused by the influences of the gas impurities on devices in the electronic industry. A two-tower purification flow is adopted, one of two adsorption dryers works, the remaining one adsorption dryer regenerates, and the two adsorption dryers alternately work and regenerate in order to realize the continuous purification of the feed gas.

The embodiment of the invention discloses a magnetic resonance imaging method, device and system. The magnetic resonance imaging method comprises the steps of exciting a region to be detected of a subject based on radio frequency pulse, and collecting magnetic resonance signals of the region to be detected according to a plurality of RF coils; filling the magnetic resonance signals into a K-space,wherein the K-space comprises an all-sampling region and an under-sampling region; determining first calibration data based on the all-sampling region of the K-space, and converting the first calibration data into an intermediate image; determining a virtual saturation zone according to the intermediate image, and performing signal suppression processing on the virtual saturation zone to generatea modified intermediate image; generating second calibration data based on the modified intermediate image, reconstructing an under-sampling region of the K-space according to the second calibrationdata, and generating a complete K-space data set; and generating a magnetic resonance image of the region to be detected according to the complete K-space data set. The quality of the magnetic resonance image is improved according to the embodiment of the invention.

The invention discloses a melting process for polycrystalline silicon cast ingots. The process comprises the following steps: 1, preheating: an ingot furnace is adopted to preheat a silicon material filled in a crucible, and the heating temperature of the ingot furnace is gradually increased to T1; the preheating time is 6-10h, and T1=1165-1185 DEG C; 2 melting: the silicon material filled in the crucible is melted, the melting temperature is T1-T5, and T5=1540-1560 DEG C; after the silicon material in the crucible is completely melted, the heating temperature of the ingot furnace is controlled to T5, and then the heating power of the ingot furnace begins to decline; after the heating power of the ingot furnace stops declining and lasts for the time t, the melting process is complete; t=18-22min. The process has the advantages of simple steps, reasonable design, convenience in realization, easiness in grasp and good using effect and can effectively solve the problem that the quality of the produced polycrystalline silicon cast ingots is reduced as the melting time is deficient or too long.

The invention discloses an LED illuminating lamp comprising a lamp body, a high-power LED light source arranged on the outer wall of a lamp body assembly, and a heat sink. The inner wall of the lamp body is a highly reflective surface; the lamp body comprises a plurality of assemblies used for fixing the LED light source; the inner wall of each lamp body assembly is provided with an arc reflectingsurface; and the luminous part of the LED light source is arranged in the inner cavity of the arc reflecting surface. Light emitted from the LED light source can be transmitted to illumination spaceonly after being reflected by the arc reflecting surface or reflected by the arc reflecting surface and the inner wall of the lamp body for many times, thus the glare problem caused by the LED light source is effectively solved. The LED light source is arranged on the outer wall of the lamp body, and therefore, the LED heat is easy to transmit by the heat sink, the work temperature of the LED light source is reduced, the stability of the light source is enhanced and the service life is prolonged. The invention has the advantages of simple structure, convenient processing, good radiating effect, even illumination and the like and can be widely used for interior illumination occasions and the like.

The invention discloses a tillage tool for implementing moisture and fertilizer retention performance of a shallow tillage layer and belongs to the technical field of agricultural machinery. The tillage tool comprises a beam frame, a suspension frame, a transmission mechanism, a groundbreaking mechanism, a discharge mechanism, an earthing mechanism and a suppressing mechanism; the beam frame is connected with a tractor through the suspension frame; the output power of the tractor is connected with the groundbreaking mechanism and the discharge mechanism respectively through the transmission mechanism, the groundbreaking mechanism is formed by arranging a large groundbreaking cutter head on a rotating shaft, the large groundbreaking cuter head corresponds to the position of a seedling strip, an earthing shovel of the earthing mechanism and a discharge shovel of the discharge mechanism are in one-to-one correspondence with the large groundbreaking cutter head, a digging groove is formed through soil broken by the large groundbreaking cutter head, the discharge shovel is used for ditching and discharging materials, and the earthing shovel is used for earthing to have fertilizer buried underground. By the arrangement, the fertilizer can be discharged underground to be mixed with the soil to form the shallow tillage layer, the purposes of moisture and fertilizer retention and establishment of the shallow tillage layer are realized, and the soil is prevented from desertification and salinization.

The invention provides a playing control method and apparatus. The method comprises the steps of receiving a playing request carrying a user identifier; detecting whether or not the port flow of an optical line terminal to which the user identifier belongs exceeds a predetermined threshold; and rejecting the playing request when detecting that the port flow of the optical line terminal exceeds the predetermined threshold. The invention solves the problem that the uplink port congestion of the OLT in the related technology leads to the degradation of the IPTV service quality, and improves the IPTV service quality.

The invention discloses a strip cutting device for textile production. The device comprises a machine body and a rack. The strip cutting device for textile production can set the conveying time of theconveying device cutting each section by controlling keys combined with the speed of the conveying device, and then the length of the cut strips is determined; the problem that the strip length cannot be set for cutting, so that the lengths of the cut strips are different is solved, the strip can be better fixed and cut, and the problem that when the strip is cut, the strip can not be fixed, so that the cutting quality is poor is solved; dust on the surface of the strip can be blown down through airflow of a dust removal device, and the problem that the dust falls on the surface of the strip,and then the quality of the strip is lowered is solved; mist spray can be conducted on the strip through spray holes, the strip is ironed through a heat conducting plate, and the problems that the strip cannot be ironed flat, corrugations can appear on the surface of the strip, and then the attractiveness is affected is solved.

The invention discloses a separation system, particularly discloses a separation system for removing biotite from artificial sand, and belongs to the technical field of design and manufacturing of water-power engineering building material production equipment. The separation system for removing biotite from artificial sand is convenient to operate, simple in structure and capable of effectively removing biotite from artificial sand. The separation system comprises a magnetic selection mechanism and a material separation mechanism. When biotite mixed in artificial sand runs in the material separation mechanism along with the artificial sand, the biotite is separated out of the artificial sand through the magnetic selection mechanism.

The invention relates to a pole piece pressing device for lithium battery production, which comprises a main body box, a first pressing roller and a second pressing roller, wherein the front surface of the main body box is provided with an opening and closing door, the upper surface of the main body box is fixedly connected with an uncoiler, one side of the main body box is fixedly connected with a coiler, the inner wall of the main body box is fixedly connected with a top cover, the upper surface of the top cover is fixedly connected with a guide roller, an adjusting assembly is arranged on the inner wall of the main body box, the upper surface of the top cover is fixedly connected with a reversing assembly, and a powder removing assembly is arranged on the inner wall of the main body box. According to the invention, the second pressing roller is moved through an adjusting assembly, the distance between the first pressing roller and the second pressing roller is adjusted, the second pressing roller is prevented from deviating due to irregular positive and negative electrode materials through a reversing assembly, and powder adhered to the surfaces of the first pressing roller and the second pressing roller is removed through the powder removing assembly, so that the pole piece pressing quality of the pole piece pressing device for lithium battery production is improved.

The invention discloses a process for removing magnesium from salt-making mother liquor by use of lime. The process comprises steps as follows: S1, the salt-making mother liquor is pumped and sent toan ordinary filtering net plate, the salt-making mother liquor is preliminarily filtered, then flows through a mother liquor filter I and then is collected to a storage tank, a magnesium removal additive is added to the storage tank, and the salt-making mother liquor in the storage tank is stirred while the magnesium removal additive is added; S3, quick lime is added to a crusher to be crushed for1-2 min to be powdery lime with the size of 120-160 meshes, the powdery lime and fresh water are mixed in the mass to volume ratio being (1-1.3 kg):(0.6-1.2 L), a large amount of heat is released inthe mixing process, the mixture becomes slaked lime after being naturally cooled. Compared with conventional technologies, the provided process for removing magnesium from salt-making mother liquor byuse of lime has the advantages that a large quantity of impurities in the salt-making mother liquor can be filtered by use of a mother liquor filter I and a mother liquor filter II, and the magnesiumremoval efficiency in the following step is facilitated; the magnesium removal additive is added to the storage tank and can remove 90% of magnesium in the salt-making mother liquor.

The invention relates to the field of crystal growing of semiconductor materials, and specifically relates to a carbonized silicon single crystal growing device. The device comprises a crucible, a base, an overturning plate and a first driving mechanism, wherein an opening is formed in the top of the crucible, and the crucible is used for storing carbonized silicon raw materials; the surface of one side of the base is a single-crystal growing surface; the overturning plate and the base are arranged at the opening in the top of the crucible; the first driving mechanism is capable of driving thesingle-crystal growing surface of the base through the overturning plate to switch between the state of facing the inside of the crucible and the state of departing from the inside of the crucible. According to the method in the embodiment, a material supplying mechanism is arranged; non-stoichiometric ratio type carbonized silicon rich in carbon is adjusted into non-stoichiometric ratio type carbonized silicon rich in silicon. In addition, the overturning plate is arranged; seed crystals are driven by the overturning plate to depart from the raw materials of the carbonized silicon, so that the problem that the unbalanced carbonized silicon source sublimated to the surface of the seed crystal to cause low crystal quality is avoided. Therefore, the problem that the carbonized silicon changes from rich silicon state to rich carbon state, resulting in reduction of the crystal quality is solved; the crystal growing length is increased; the crystal growing benefit is increased; the carbonized silicon single crystal quality is improved.

The present invention is applicable to the field of image processing and provides a method and device for sharpening an image. The method comprises a step of calculating a motion error of a video image according to input image data of a current frame, the input image data of a reference frame and a motion error of the reference frame, a step of storing the input image data of the current frame asinput image data of a reference frame of a next frame and storing the motion error of the video image as a motion error of the reference frame of a next frame, a step of calculating an edge detectionvalue reflecting an image detail edge according to the input image data of the current frame, a step of carrying out edge sharpening processing on the input image data of the received current frame according to the edge detection value to obtain a sharpening weight, and a step of controlling the received sharpening weight by using the received motion error of the video image to sharpen the input image data of the received current frame. Through the method of the invention, the motion error of the obtained video image is accurate, the sharpening of the video image is more reasonable, and at thesame time, a still image can obtain a good sharpening effect.

The invention discloses a method for adjusting a crystalline silica growth solid-liquid interface. The method can be realized by two approaches. The two approaches comprise 1, designing four side walls having different thickness values of a crucible, and 2, changing sides of thermal insulation strips at sides of a thermal insulation cage in an ingot furnace thermal field and accordingly changing an ingot casting technology. The method solves the problem that crystal growth solid-liquid interface change causes silicon ingot quality decreasing so that photoelectric conversion efficiency of a crystalline silica solar cell piece is improved.

The invention provides a folding type snow and rain prevention device of a sealing-tape machine. The folding type snow and rain prevention device is composed of a fixed pulley, a fixed support, a steel rope, sliding supports, rainproof covers, a steel rope locking device and a hinge. The fixed support is fixed to a longitudinal beam of the sealing-tape machine, the two ends of the steel rope wound on the fixed pulley on the lower portion of the fixed support are fixed to side walls of a movable hopper through the steel rope locking device, at least three sliding supports are arranged on two sides of the movable hopper, lower end chutes of the sliding supports are arranged on the steel rope, and the rainproof covers cover the sliding supports. The folding type snow and rain prevention device can be driven to compress on one side and spread on the other side along with parallel moving of the discharge movable hopper on the sealing-tape machine, therefore, the full-length working face of the outdoor sealing-tape machine can be always within the range of the rainproof covers, the problem that material quality is reduced under snowy and rainy weather is solved, moistures of materials can be stable, normal operation of a system can be guaranteed, and production halt loss can be avoided.

The invention discloses a high dynamic range image watermarking method based on Tucker decomposition. The method comprises a watermark embedding part and a watermark extracting part, and is characterized by during a watermark embedding process, expressing a host image in a high dynamic range as a form of a third-order tensor; then, utilizing the Tucker 3 decomposition to process the high-dynamic-range host image; taking the obtained first feature map of the core tensor as an embedding carrier of the watermark information, so that the main energy of the high-dynamic-range host image is covered by the first feature map of the core tensor, and the embedded watermark information can be diffused into an R channel, a G channel and a B channel of the high-dynamic-range watermark image along with the inverse transformation of decomposition, and accordingly the robustness is effectively improved. During a watermark extraction process, an original high-dynamic-range host image is not needed, so that the blind extraction of the watermark information is realized. In addition, according to the method, the internal structure of the high-dynamic-range image cannot be damaged, and a better effect is achieved at the aspects of invisibility and embedding capacity.

The invention discloses a kidney-tonifying and body-strengthening herba cistanche composition and a preparation method thereof. The composition is prepared by the steps of carrying out wall-breaking treatment on herba cistanche, herba epimedii, herba cynomorii, barbary wolfberry fruits and radix rehmanniae, and carrying out membrane-breaking treatment on sheep testicle, wherein the composition contains the following components in parts by weight: 10-20 parts of herba cistanche, 5-10 parts of herba epimedii, 5-15 parts of herba cynomorii, 5-10 parts of barbary wolfberry fruits, 5-10 parts of radix rehmanniae and 10-20 parts of sheep testicle. According to the preparation method, the sheep testicle is taken as a formula of a health-protective product for the first time, and the health care effect of original grass can be increased by 7 times by virtue of membrane-breaking and wall-breaking techniques; and the composition is novel and special and has remarkable kidney-tonifying and body-strengthening effects, the formula is a novel composition under the guidance of traditional Chinese medicine specialists and in the ranges of health preservation laws and regulations and has scientificity and reasonability.

The invention discloses automatic conveying equipment for rubber pieces for automobile maintenance. The automatic conveying equipment for the rubber pieces for automobile maintenance comprises a conveying frame and a conveying belt. According to the equipment, through an infrared emitter, with an infrared receiver combined, the passing number of the rubber pieces can be detected and displayed, andthe problem that statistics cannot be conducted on the conveying number of the rubber pieces so that manual counting is needed and wastes time and energy is solved; dust on surfaces of the rubber pieces can be blown away through a dedusting device, and the problem that dust adhering to the surfaces of the rubber pieces cannot be cleaned so that the quality of the rubber pieces declines is solved;the height of the equipment can be raised or lowered through a hydraulic lifting device, the equipment is supported through screw adjustment supporting feet, and the problems that lifting adjustmentcannot be conducted on the height of the equipment, and stability in the using process is poor so that the conveying effect is poor are solved; and the equipment can be moved through universal wheels,in addition, the universal wheels can be put away when not used, and the problems that the equipment is not easy to move, or rollers are arranged and easy to slide when used, and thus normal use is influenced are solved.