41results about How to "Great stability" patented technology

The invention discloses a white light organic electrofluorescence device which comprises RGB and includes an underlay, an anode layer and a cathode layer. An electrode is positioned on the surface of the underlay. An organic function layer equipped between the anode layer and the cathode layer includes a luminous layer at least and sends out white light under external power drive. The luminous layer comprises of RGB luminescent materials. A composite material layer consisting of blue and light fluorescent material, red, green and blue phosphorescence material and main host material sends out efficient white light under the external power drive. The invention adopts the method of doped phosphorescence material, adjusts proper doped concentration, and prepares high-performance white light and other color organic electrofluorescence device by utilizing the main and the object materials with luminescence principle.

The invention belongs to the technical field of heterogeneous catalysts, and particularly relates to a monodisperse porous organic metal polymer material and a preparation method and application thereof. The polymer is prepared by taking homogeneous double carbene iridium, palladium, gold, copper, cobalt and manganese compounds as monomers and aromatic hydrocarbon as a comonomer in a manner of adding a cross-linking agent and carrying out Friedel-Crafts alkylation under the catalysis of Lewis acid. The polymer can be used for catalyzing hydrogenation cyclization of levulinic acid to prepare gamma-valerolactone, or catalyzing oxidative dehydrogenation of polyol and derivatives thereof and carbohydrate compounds to efficiently prepare lactic acid and derivatives thereof, and dehydrogenationcoupling of alcohol compounds and amine to efficiently prepare pyrrole and derivatives thereof. The polymer material completely holds intrinsic high activity and high selectivity of a homogeneous catalyst precursor and has the characteristics of heterogeneous catalysis stability and easiness in recovery, so that biomass can be converted into various fine chemicals with high efficiency, high selectivity and a large amount; the catalyst can be recycled for multiple times and has a good industrial application prospect.

The invention relates to a strip steel wire drawing production line and an assembly-line wire drawing process thereof. The production line comprises a base plate, a material placing device, a guidingdevice and a wire drawing device; the material placing device and the guiding device are sequentially installed on the base plate from left to right, and the wire drawing device is arranged at the upper end of the guiding device and installed on the base plate; the material placing device comprises a material feeding mechanism and a material collecting mechanism, the wire drawing device comprisesa lifting frame, a rotary motor, a non-woven fabric roller brush, a vibration frame, a bump, a rotating shaft and a rotating motor, and the guiding device comprises a working table, a first mounting plate, positioning plates, a second mounting plate, pressing springs, extrusion frames, linear sliding rails, rotating shafts and pressing blocks. The strip steel wire drawing production line and the assembly-line wire drawing process thereof can solve the problems that in the strip steel wire drawing process, the surface of strip steel is uneven, the movement stability is poor, the use range is small, and the adjustability is poor, can achieve the function of automatic wire drawing on strip steel, and has the advantages that the flatness of the strip steel is high, the stability is high, the use range is wide, and the adjustment is flexible.

The invention discloses a strain loading system for micro-nano material multi-field joint characterization. A sample stage is fixed to the top end of a base body by spring screws, wherein piezoelectric ceramic is fixed to the upper end of the bottom of the base body, a loading stage is stuck in a metal support groove, a metal support is fixed to a groove in the right side of the sample stage by metal support screws, an electrode pressing sheet is fixed to the upper end of the sample stage, the electrode pressing sheet is in close contact with an electrode on the loading stage to form good electrical contact, a pressure head is fixed in the metal support groove, and the metal support is fixed in the top surface of the piezoelectric ceramic. Strain loading on micro-nano materials in multiple characterization devices is realized; an electrical measurement system has the characteristics of simple structure, reliable performance, simple and convenient installation, convenient operation and wide application scope, can be applied to all one-dimensional or two-dimensional nanomaterials with the length greater than 5 microns, and can be used together with instruments such as various optical microscopes, electron microscopes, spectrometers and synchronous radiometers for multi-field coupling testing.

The invention relates to a green environment-friendly sewage treating agent. The invention is characterized in that the sewage treating agent is mainly prepared by mixing the following components in parts by weight: 20-25 parts of composite iron, 15-20 parts of dibromonitrilo propanamide, 8-12 parts of polyaluminum chloride, 30-35 parts of bentonite, 18-26 parts of straw and 3-8 parts of sodium chloride. The sewage treating agent has the advantages of favorable sewage treatment effect, high bactericidal property, low toxicity, low cost and accessible raw materials.

The invention discloses a goose egg incubation device. The goose egg incubation device comprises an incubation box, wherein a temperature adjusting device is connected with the incubation box; supporting rods are arranged in the incubation box, and multiple rotating rods are arranged on each supporting rod; each rotating rod is connected with a rotating motor, a timing device and an installation disk, and an upper incubation disk, a plurality of reflectors, fixing rods, pushing air cylinders, a lower incubation disk and illuminating light bars are arranged on each installation disk; the lowerincubation disks and the upper incubation disks are each provided with multiple incubation grooves which are evenly distributed, and fixing devices are arranged in each incubation groove; humidification pipes are arranged on both inner side surfaces of the incubation box, and an atomizer is arranged on each humidification pipe; and a ventilation pipe is arranged on the top surface of the incubation box, and a suction pump is arranged on the ventilation pipe. The goose egg incubation device not only can improve the safety of egg turning, but also has the advantages that the stability of goose egg placement is good, the working efficiency is high, use is convenient, an application range is wide, the incubation efficiency of goose eggs is high, the adjustment rate is high, and the heating rate is high.

The invention relates to a preparation method of a wearable gas-liquid difunctional alcohol electrochemical sensor, and belongs to the field of wearable gas-liquid difunctional alcohol electrochemicalsensors. The preparation method comprises the following steps: manufacturing a screen printing plate of a silk-screen printing three-electrode sensor array; carrying out silk-screen printing on the silk-screen printing slurry on a flexible substrate to manufacture a sensor array; modifying an electroactive material; and modifying the solid electrolyte to obtain the wearable gas-liquid bifunctional alcohol electrochemical sensor. The wearable gas-liquid bifunctional alcohol electrochemical sensor prepared by the invention shows extremely strong substrate applicability and environmental applicability, and still shows considerable sensing stability in certain stretching and bending states as a flexible sensor.

The invention relates to turning-over assisting equipment for nursing a patient in a general surgery department. The turning-over assisting equipment comprises a support, wherein a supporting plate is fixedly connected to the center of the outer surface of the support, a bed plate is fixedly connected to the top end of the support, leg exercise mechanisms are arranged at the front end and the rear end of the right side of the upper surface of the bed plate separately, a transmission box is fixedly connected to the bottom of the left end of the supporting plate, a transmission device is arranged in the transmission box, and a hinged plate is hinged to the left end of the bed plate. The stability of the equipment is improved by arranging the transmission device with a self-locking function, the transmission device drives a turning-over mechanism and a massage mechanism to work, the production cost of the equipment is reduced, the comfort degree of the patient lying in bed is improved by arranging the massage mechanism, rehabilitation of the patient is accelerated by arranging the leg exercise mechanisms, and the functionality and practicability of the equipment is improved; and by arranging a lifting mechanism, angle adjustment of the hinged plate is achieved, use requirements of different patients are met, and the application range of the equipment is widened.

The invention discloses a CXT liquid fluorescent whitening agent and a preparation method thereof, and belongs to the field of whitening agents. The CXT liquid fluorescent whitening agent comprises a fluorescent whitening agent acid precipitation substance, polyol amine and polyol. During preparation, the CXT fluorescent whitening agent acid precipitation substance, the polyol amine and the polyol are used as raw materials to be added into a reaction kettle, and uniform stirring is performed; the temperature is increased to 80-100 DEG C, and after the materials are dissolved, clarified and transparent, negative pressure evaporation is performed to remove 30-50% of water; and finally, the temperature is reduced to 40-45 DEG C by cooling, and filtering is performed to obtain the CXT liquid fluorescent whitening agent. The whitening agent is easily soluble in water, has relatively wide temperature stability, can be stored for a long time, supports automatic and continuous use, and is safe and environment-friendly.

The invention provides an energy storage system and method for preparing methanol by using methanol synthesis waste gas. A hydrogen outlet of an electrolytic bath is communicated with a methanol reactor A, and an oxygen outlet of the electrolytic bath is communicated with a waste heat boiler; the input end of the decarburization tower is connected with methanol synthesis waste gas, the carbon dioxide output end is connected with the reaction end inlet of the methanol reactor A, the separated gas outlet of the separation device is connected with the methanol reactor B, and the methanol outlet outputs methanol; a purge gas conveying pipeline is arranged on a pipeline between a separated gas outlet of the separation device and an inlet of the methanol reactor B and is used for being connected with a furnace side inlet of the waste heat boiler; the methanol reactor A is communicated with a waste heat boiler, and the waste heat boiler is connected with a heat absorption end inlet of the methanol reactor A after acting through a turbine to form a circulating energy storage loop. Wind energy, waste gas generated in methanol synthesis and the like are converted into methanol, energy is stored in the chemical energy storage mode, the energy density is high, long-term storage can be achieved, and the application range is wide.