11results about How to "Improve injection ability" patented technology

The invention relates to the technical field of ion implantation, and discloses a method for implanting organic functional group ions into magnesium alloy, which comprises the following steps: preparing a magnesium alloy sample; surface pretreatment: coating a PLGA solution on the sample, and naturally drying to form a PLGA coating; fixing the sample on ion implantation equipment and then vacuumizing; precursor gas preparation: gasifying imidazole and conveying the gasified imidazole to an ion source area; ionizing the imidazole; the imidazole ions are accelerated to 80keV energy; ions are injected according to the injection dose of 1 * 1017 ions / cm < 2 > and the beam density of 1 [mu] A / cm < 2 >, and the injection depth is about 100 nm; and annealing treatment is conducted, and after annealing is finished, natural cooling is conducted to room temperature. The PLGA coating is coated on the surface of the magnesium alloy, so that the corrosion resistance and the biocompatibility of the magnesium alloy can be effectively improved, and the application range of the magnesium alloy in the field of biomedicine is expanded.

A novel organic electroluminescent device is disclosed. This novel organic electroluminescent device comprises multiple light-emitting units, a second organic layer, and a specific connecting layer, and controls LUMO. 第一有机材料 - Work function 金属 ≤2.1eV can promote electron separation at the metal-organic interface, thereby suppressing carrier recombination at the interface; controlling HOMO 第二有机材料 -LUMO 第一有机材料 With a voltage ≥0.3V, by adjusting the doping concentration of the first organic material, hole injection is controlled, and carrier recombination in the light-emitting layer is balanced, thereby significantly improving the device's efficiency and lifetime while reducing power consumption. This novel tandem organic electroluminescent device exhibits superior device performance and broader application prospects.

The application discloses a cyano-modified compound with a diphenylbenzoquinone as a bridging structure and an organic electroluminescent device containing the same, and belongs to the technical field of semiconductor materials. The structure of the compound is shown in general formula (1). The compound has good stability and electron resistance, and has good electron injection and electron transport capacity. When the compound is used as an electron transport material of an organic electroluminescent device, the driving voltage of the device is significantly reduced, and the normal temperature life and high temperature life of the device are significantly improved.

The invention discloses a method for extracting crude oil from a low-permeability and high-viscosity oil reservoir, which comprises the following steps of: when the viscosity of the crude oil is higher than a preset value, fracturing according to a preset volume fracturing type, injecting supercritical fluid according to a preset injection type after fracturing is finished, and synchronously heating and soaking; after the average oil layer pressure explained by well testing is reduced to a preset value, supercritical fluid is injected into an oil layer according to a preset injection type for huff and puff production, and when the viscosity of crude oil is lower than a preset value, a foaming agent is added into the injected supercritical fluid for soaking; and opening the well for production, shutting the well and repeating the process after the oil yield of the day is reduced to a preset value. The mixed-phase pressure can be obviously reduced, the injection capacity can be improved, energy is accumulated for huff and puff production, the huff and puff cycle exploitation time is prolonged, the huff and puff action range is expanded, the huff and puff recovery efficiency is improved, and effective development of the oil reservoir is achieved.

The present invention discloses a compound containing naphthalene and triazine structure, an organic electroluminescent device and a display element, and belongs to the technical field of semiconductor materials. The structure of the compound of the present invention is shown in the general formula (1): The compound containing naphthalene and triazine structure of the present invention is applied to an organic electroluminescent device. The compound of the present invention is based on the structure of naphthalene and triazine, and the triazine and triazine groups are connected by a specific aromatic bridging group to form a phenyl-substituted naphthyl or naphthyl-substituted phenyl or biphenyl framework bridging feature. The compound has good electron tolerance and stability, and has good electron injection and transmission capabilities. Therefore, when it is used as an electron transmission material of an OLED functional layer, it can effectively reduce the device driving voltage and improve the photoelectric performance and device life of the OLED device.

The invention provides a method for exploiting a deep heavy oil reservoir, which comprises the following steps of: (1) injecting a pre-solution slug into an oil layer, and then fracturing; (2) a front gas slug is injected into an oil layer, and then sand-carrying fluid and displacing fluid are sequentially injected; (3) extracting oil by supercritical steam huff and puff; the front gas slug in the step (2) comprises a combination of non-condensate gas, CO2 and a CO2 auxiliary agent. According to the exploiting method, oil is exploited through the pressure and supercritical steam huff and puff method, cracks are generated in the stratum corresponding to the deep heavy oil reservoir, the injection capacity of water vapor is improved, and the pressure of injected steam is reduced; moreover, according to the mining method provided by the invention, the pre-solvent slug is injected before fracturing, so that the viscosity is greatly reduced, and a flow channel is provided for subsequent injection of the pre-gas slug; and the front gas slug can provide energy by means of gas expansion in the exploitation and pressure relief process, and the steam huff and puff period is greatly prolonged.

The utility model discloses a liquid injection structure and a cylindrical battery, and relates to the technical field of batteries. The liquid injection structure comprises a liquid injection assembly and a shunting assembly, the liquid injection assembly comprises a pole, a first liquid injection part and a second liquid injection part, the first liquid injection part and the second liquid injection part are symmetrically arranged relative to the pole, and the first liquid injection part and the second liquid injection part are used for alternately injecting electrolyte into a battery cell; and the shunting assembly is arranged on one side of the liquid injection assembly and is used for guiding and shunting the electrolyte injected from the first liquid injection part and the second liquid injection part so as to prevent the electrolyte from impacting a core package in the battery core. According to the invention, the dispersion effect of the electrolyte can be improved, the liquid injection effect of the battery is improved, the wettability of the pole piece is improved, and meanwhile, the liquid injection efficiency is improved.

The application discloses a triazine-containing organic compound and application thereof, and belongs to the technical field of semiconductor materials. The structure of the compound has good stability and electron resistance, and the compound has good electron injection and hole blocking capacity. When the compound is used as a material of an organic electroluminescent device, the driving voltage of the device and the service life of the device are significantly improved.

The invention relates to the field of firework production, in particular to a paper injection device for firework production. The existing equipment is easy to cause flaws on a small wafer, and the small wafer is easy to deflect during injection, so that the injection effect of the small wafer is not good enough. A paper injection device for firework production comprises a bottom plate, molded fireworks, a supporting frame and the like. Mould pressing fireworks are placed on the bottom plate, a plurality of mould pressing firework cylinders are arranged on the mould pressing fireworks, a supporting frame is fixedly connected to the bottom plate, and a plurality of feeding ports are formed in the supporting frame. The extrusion rod pushes the small wafer to move downwards to make contact with the conical position of the feeding port of the supporting frame, the small wafer continues to move downwards to bend the outer ring of the small wafer through the conical position of the feeding port of the supporting frame, and therefore the small wafer can penetrate through the supporting frame to enter a firework cylinder of the molded firework. And the bent small round sheets can better tightly fit the firework cylinders of the molded fireworks.

This invention relates to the field of water-saving and fertilizer-retaining technology for fruit trees, and discloses a water-saving, fertilizer-retaining, and frost-resistant cultivation device for fruit trees. The device includes a pipe buried 80-120cm apart at a depth of 50cm in the planting row spacing of the fruit trees. The outer surface of the pipe has several absorption holes for draining water and fertilizer from the pipe. The top of the pipe is covered with a layer of sand and gravel and kraft paper to cover the absorption holes. This water-saving, fertilizer-retaining, and frost-resistant cultivation device and its method of use, by burying the nutrient trough precisely where most of the fruit tree's root system is located, only requires a small amount of water and fertilizer or nutrient solution to be injected. This avoids the large amount of fertilizer that accumulates in the soil and is not well absorbed and utilized by the roots, resulting in fertilizer waste and soil pollution, which is a consequence of trenching and spraying fertilization. It also saves water wasted on surface irrigation, achieving a good water-saving and fertilizer-retaining effect, and effectively prevents the serious impact of early spring frost on fruit tree flowering.

The utility model discloses a clamping and positioning assembly, and relates to the technical field of cast aluminum motor rotor processing equipment, the clamping and positioning assembly comprises a device shell and a liquid injection assembly, the inner wall of the device shell is provided with the liquid injection assembly, the outer wall of the liquid injection assembly is provided with a positioning plate, and the bottom of the liquid injection assembly is provided with a positioning groove. A clamping assembly for limiting the positioning groove is arranged at one end of the positioning groove and comprises a rack, a large gear and a small gear. By arranging the clamping assembly, the position of the positioning groove is limited, the stability of a machined part in the machining process is effectively improved, the phenomenon that the positioning groove possibly shakes is reduced, the limiting block is arranged at the bottom of the liquid injection assembly and makes contact with the outer wall of the positioning groove, and the clamping assembly is arranged on the bottom of the liquid injection assembly and makes contact with the outer wall of the positioning groove. And when the positioning groove is limited by the fixing block, the position of the positioning groove is limited by the limiting block, so that the shaking of the positioning groove during the operation period of the liquid injection assembly is reduced.