35results about How to "Improve takeout rate" patented technology

The invention discloses a cylinder type soil sampling device for detection. The cylinder type soil sampling device comprises a transverse plate and a sampling cylinder, wherein a spiral shaft is arranged between a top plate and the transverse plate; a bearing is arranged at the side wall of a lifting rod; a slide sleeve is arranged on the spiral shaft, and is connected with the spiral shaft in a thread matching way; the outside wall of the slide lifting rod is connected with the inner wall of a rotary sleeve pipe through a spline; the interior of the side wall of the sampling cylinder is provided with an annular cavity which is coaxial with the sampling cylinder; an annular press plate is arranged at the bottom part of the annular cavity; a plurality of inclined through holes are formed inthe inside wall of the annular cavity; a guide rod is arranged in each inclined through hole, the upper end of each guide rod is connected with the inclined surface of an annular press plate througha slide mechanism, and the lower side of the annular press plate is connected with the bottom wall of the annular cavity through a reset spring. The cylinder type soil sampling device has the advantages that the structure is simple, the sampling efficiency is higher, the bending and breaking of the sampling cylinder are avoided, the disengaging from the sampling cylinder due to moving-up of sampling soil is avoided, the labor intensity is lower, the operation is simple and convenient, and the practicality is stronger.

The invention aims at the field of chemical industry and relates to a separation and purification system of organic synthesis feed liquid and a separation and purification method of the organic synthesis feed liquid. The separation and purification system comprises a crystallization system and a solid-liquid separation system which are sequentially arranged from front to back, wherein the crystallization system comprises a mixed suspension-mixed product-removal (MSMPR) crystallizer and a draft-tube-baffled (DTB) crystallizer which are connected with each other in series; the separation and purification system also comprises a liquid processing system used for processing waste liquid produced by the solid-liquid separation system; the liquid processing system comprises a desalting device and a membrane concentration device which are sequentially arranged from front to back. By virtue of the separation and purification system of the organic synthesis feed liquid and the separation and purification method thereof, the organic synthesis feed liquid is separated and purified by using a continuous crystallization technology, an electrodialysis technology and a membrane separation and concentration technology; the produced waste liquid is fully recycled and used, so that the separation and purification efficiency is improved, the purity and the yield of products are improved and the discharge of the waste liquid is reduced; the separation and purification system of the organic synthesis feed liquid and the separation and purification method thereof are strong in production industrialization and low in costs, and are especially suitable for producing iminodiacetonitrile.

The invention discloses an organic light emitting display panel and a display device. The organic light emitting display panel comprises a substrate, an organic light emitting device and a cap layer, wherein the organic light emitting device is arranged on the substrate; the cap layer is arranged at the side far away from the substrate of the organic light emitting device; the cap layer comprises scattering particles; and a scattering micro-structure is arranged on the surface far away from the organic light emitting device of the cap layer. According to the organic light emitting display panel and the display device which are provided by the invention, the scattering particles and the scattering micro-structure are simultaneously arranged on the cap layer, and the light is emergent to each direction on the surface of the organic light emitting display panel through the combined action of two structures, so that the scattered light can be seen from all angles of the organic light emitting display panel, the view color cast phenomenon is improved, and meanwhile, the total reflection of the light can be reduced through the scattered particles, the optical loss is reduced and the light output rate is improved, and thus the luminous efficiency of the OLED device is improved.

The invention relates to a recycling system and a recycling method for waste liquor produced in separation and purification of an organically synthesized feed liquid, and belongs to the field of chemical engineering. The recycling system for the waste liquor comprises a filter device, a desalting device and a membrane concentrating device which are arranged from the front to the rear in sequence, or the filter device is replaced with a filtrate collecting slot, wherein the filter device is used for filtering and collecting the waste liquor; the filtrate collecting slot is used for stewing and collecting the waste liquor; the desalting device is used for desalting the collected waste liquor; the membrane concentrating device is used for concentrating a liquid which is desalted by virtue of the desalting device; and the desalting device is preferably an electrodialysis device. According to the recycling system and the recycling method, a membrane separating and concentrating technology, an electrodialysis technology and the like are comprehensively utilized to separate and purify the organically synthesized feed liquid, and the produced waste liquor is sufficiently recycled, the separating and purifying efficiency and the purity and the yield of products are improved, discharge of the waste liquor is reduced, the production industrialization is strong and the cost is low, and thus, the recycling system and the recycling method are especially suitable for being applied in production of iminodiacetonitrile.

The invention discloses a display panel and a display device. The display panel comprises an organic light-emitting device, and the organic light-emitting device comprises an anode and a cathode whichare arranged opposite to each other, a light-emitting layer located between the anode and the cathode and a cap layer located at the side, away from the light-emitting layer, of a light-emitting sideelectrode, wherein the cap layer comprises an ultraviolet light absorber, the ultraviolet light absorber is used for absorbing the ultraviolet light, and the volume of the ultraviolet light absorberafter absorbing the ultraviolet light is reduced relative to the volume of molecules before absorbing the ultraviolet light. According to the present invention, the ultraviolet absorbent is added intothe cap layer, so that the organic materials in the organic light-emitting device can be prevented from being damaged, and the service life of the organic light-emitting device is prolonged. In addition, the molecular volume of the ultraviolet absorbent added in the organic light-emitting device is reduced after the ultraviolet absorbent absorbs the ultraviolet light, so that the refractive indexof the cap layer is increased, the light extraction efficiency of the organic light-emitting device is improved, the light-emitting efficiency of the device is finally improved, and the service lifeof the device is prolonged.

A LED and a manufacturing method thereof, the manufacturing method of the LED at least comprises: orderly forming a joint layer, a metal reflection layer, a geometrical pattern layer, an epitaxial structure and a first electrode on a permanent substrate; wherein, the geometrical pattern layer is provide with a periodical structure; forming a second electrode on one side of the permanent substrate, so as to finish the LED. The LED of the invention forms a reflection face with a periodical structure by the geometrical pattern layer and the metal reflection layer to reflect incident light with various angles, so that the LED can emit light concentrated from the positive direction, so as to improve light emitting ratio, and improve light emitting efficiency.

The invention belongs to the field of preparation of feed preparations, and particularly relates to a production process and a production system of methionine and methionine hydroxyl analogues. The process compriseeds the following steps: (1) carrying out rapid unsaturated ammoniation on cyanohydrin and ammonia water to prepare a 2-amino-4-methylthio butyronitrile crude reaction solution; (2) reacting the aminobutyronitrile crude reaction liquid with a solid catalyst to obtain methionine hydrolysate; (3) filtering, deaminizing, concentrating and separating the methionine hydrolysate to obtain methionine solid and crystallization mother liquor, the solid catalyst being a cerium oxide catalyst or a solid acid catalyst. According to the production process provided by the invention, an independent cyanohydrin rapid unsaturated ammoniation strategy is adopted, and interference of materials, catalysts and reaction products in other steps on the cyanohydrin ammoniation step is avoided as much as possible, so that adverse side reactions such as cyanohydrin decomposition and excessive ammoniation are avoided.

The invention provides an LED lamp bead, an illuminating lamp and a manufacturing method of the LED lamp bead. The LED lamp bead comprises an LED support, a wafer and packaging glue, wherein the LED support is provided with a positive electrode and a negative electrode, and a polytetrafluoroethylene dispersion liquid coating is arranged at a preset position of the LED support; the wafer is fixed on the LED support, and the positive electrode and the negative electrode of the LED support are electrically connected with the wafer; and the wafer is packaged on the LED support through the packaging glue, the packaging glue is solidified to form a cambered surface, and the polytetrafluoroethylene dispersion liquid coating is connected with the packaging glue so as to prevent the packaging glue from flowing in the process from being injected into a support cup of the LED support to being solidified through the tension effect of the polytetrafluoroethylene dispersion liquid coating. The LED lamp bead has higher luminous flux extraction rate and brightness, the power consumption and the cost of a lamp can be reduced, and the LED lamp bead is simple in manufacturing process, high in production efficiency and high in yield.

A medical device in particular to a bone nail remover for limbs, including screwdrivers and brackets, the outer periphery of the main body of the screwdriver is provided with external threads, a screwdriver head is arranged at the bottom thereof, the bracket comprises a front and a rear hollowed-out fixing frame. Turntable, straight slide, slider, support bar and support plate, a turntable is arranged on the top of the fixing frame, two parallel linear slide rails are arranged in the radial direction of the turntable. The two ends of the linear slide rail are slidably connected with the innercircumferential surface of the turntable, two sliding blocks are slidably arranged between the two linear slide rails, a support rod is hinged on the top of each sliding block, the other ends of the two support rods are fixedly connected with the bottom of the support plate, and a screwdriver is threaded through the support plate. The invention enables anyone to operate the nail extractor by meansof the support of the bracket, and the screwdriver can keep a straight line with the bone nail of any angle in the nail extracting process, thereby greatly improving the success rate of nail extracting.

The invention discloses a casting method of an aluminum ingot. The casting method includes the following steps that aluminum oxide is produced from aluminum ore through a Bayer process, a mixing furnace is preheated, the aluminum oxide is melted in a smelting furnace, molten aluminum liquid is poured into the mixing furnace, then a solvent is added for refining, stirring is conducted back and forth for 0.5 h, then standing is conducted for 5 min to 10 min, dross is fished out, nitrogen is directly led into the aluminum liquid, the aluminum liquid continuously passes through alumina balls, a furnace eye of the mixing furnace is aligned with a second casting die and a third casting die of a casting machine, the temperature of the aluminum liquid in the mixing furnace is maintained at 55 DEGC to 70 DEG C, the furnace eye and the casting machine are connected through a flow groove, and the aluminum liquid is cooled gradually. By means of the casting method, the solvent is used for adsorbing oxidized impurities in the aluminum liquid, the nitrogen is used for removing nonmetallic inclusions and dissolved hydrogen in the aluminum liquid out, the impurity removing rate is high, purity ofthe cast aluminum ingot is ensured, during casting, the temperature of the aluminum liquid in the mixing furnace is ensured, air holes and cracks of the aluminum ingot can be prevented, and the production efficiency is high.

An embodiment of the invention discloses an organic light-emitting device. The organic light-emitting device sequentially comprises a glass substrate, a scattering layer, an anode conducting film, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, an electron injection layer and a cathode. The scattering layer is made of a mixed material formed by polytetrafluoroethylene water solution doped with carbon aerogel, and the doping mass fraction of carbon aerogel in the scattering layer is 5-20%. In addition, the embodiment of the invention further discloses a preparation method of the organic light-emitting device. According to the organic light-emitting device, by enabling the glass substrate to be coated with the scattering layer, the refractive index gap between the glass substrate and the anode conducting film is effectively reduced, total reflection effect of light is weakened, the light out rate is improved, light loss on the side is avoided simultaneously, and luminous efficiency is enhanced.

The invention provides an OLED display panel, a preparation method thereof and an OLED display device. The OLED display panel comprises a driving circuit layer, a light-emitting function layer and a packaging layer. The light-emitting function layer is arranged on the driving circuit layer. The packaging layer is arranged on the light-emitting function layer and at least comprises a first organicpackaging layer and a first inorganic packaging layer, and the first inorganic packaging layer is arranged on the first organic packaging layer. The contact surface of the first organic packaging layer and the first inorganic packaging layer is of a convex arc-shaped structure. Therefore, the light extraction rate is improved, and the external quantum efficiency is improved.

The invention discloses an intelligent control device and a control method for interventional catheter suction thrombectomy, and belongs to the technical field of interventional blood vessel thrombectomy. The device comprises a valve, a near-end tube, a far-end tube, a controller, a pressure sensor and a switch; the near end of the valve is connected with thenear-end tube, a water inlet at the near end of the near-end tube is connected with a suction catheter, the far end of the valve is connected with the far-end tube, and a water outlet at the far end of the far-end tube is connected with a suction pressure source; the controller is electrically connected with the pressure sensor, the pressure sensor is installed on the near-end tube, and the controller is electrically connected with a power source used for supplying power and the switch used for mode switching. The blood loss of a patient is reduced by controlling the opening and closing degree of the valve during suction, a doctor is enabled to judge whether the near end of a catheter is in contact with obstructions or not in real time through detection and feedback, the removal rate of the obstructions such as thrombus is increased, according to the control device and the control method, the doctor has more energy to pay attention to the conditions of the patient, and the operation safety is improved.

The invention belongs to the technical field of medical instruments, and relates to a trephine-like broken nail extractor with a clip function. The trephine-like broken nail extractor comprises a body, wherein the body is in a cylinder shape, one end of the body is a chuck end, and the other end of the body is a sawtooth end; outer teeth are arranged on the end face of the sawtooth end, and inner teeth are arranged on the inner wall, on one side of the sawtooth end, of the body; and an axial open groove is formed in the side face of the body and penetrates through the body. According to the trephine-like broken nail extractor , a broken nail can be extracted out with simple operation as long as an extractor with proper diameter is selected and ground counterclockwise along the original screw channel and further tightens the chuck after entering the change of the broken nail; and the perforation is gradually reduced after the extractor perforates and enters, clip or friction is generated on a broken nail by gradually tightened with inner teeth rather than integrally taking out a broken nail by completely breaking the bone around the broken nail, the broken nail is driven to rotate counterclockwise in a threaded manner and is automatically screwed out. Therefore, the trephine-like broken nail extract is relatively small in damage, convenient to use and relatively high in extraction rate.