37results about How to "Uniform dosage" patented technology

A fluid transfer device including a cartridge having a plurality of needles, an advancer operative to selectably advance any of the plurality of needles in the cartridge to a needle deployment position, and a syringe operative to convey fluid through the needle in the needle deployment position.

The invention provides a fireproof thermal insulation board. The fireproof thermal insulation board comprises an aerogel core material layer; reinforcing layers which are compounded on the upper surface and the lower surface of the aerogel core material layer; a resin edge sealing layer which covers the edge of the aerogel core material layer; and a reinforcing layer which is compounded with the aerogel core material layer through flame-retardant resin. Compared with the prior art, the fireproof heat insulation plate provided by the invention takes aerogel as a core material, adopts a specific layer structure, and realizes better overall interaction under a specific connection relationship; a compact, firm and tough composite material skin is formed on the surface of the product, the product is endowed with stronger heat insulation and sound insulation effects while the strength is improved, and a complex plane shape and a complex three-dimensional shape can be processed; moreover, the fireproof heat-insulating plate provided by the invention is provided with the resin edge-sealing layer, so powder leakage at the edge can be avoided, and the whole fireproof heat-insulating plate is more suitable for heat insulation inside precision equipment.

A piling operation method of a two-way mixing power spraying piling is realized by that two layers of positive spin mixing blades are arranged on the bit of an outside boring rod of a concentric inside and outside boring rod; two layers of reverse spin mixing blades are arranged on the bit of an inner boring rod of the concentric inside and outside boring rod. A power spraying mouth is arranged between the two layer mixing blades on the bit of the inner boring rod. The bit of the inner boring rod is arranged below the outside boring rod. In the process of the bit of the inner boring rod rotating into the earth reversely, the positive rotating blades of the bit of the outside boring rod play the function of ash pressuring and simultaneously pros and cons stirring to block the shooting passage of cement power and ensure the uniform distribution of the cement power in the piling. As a result of the positive and reverse rotating stirring, the stirring is more fully. The process includes drilling, power spraying, and stirring. In upgrading, stirring process, the rotating direction of the inside and the outside boring bits are changed, the bit of the outside boring rod is in the reverse direction, the bit of the inside boring rod is in the positive direction. Because of the functions, the piling quality is obviously improved.

Disclosed is a ginger phenols extract microcapsule wherein the gingerol extract is bundled in a microcapsule, the microcapsule makes the semi-liquid state gingerol extract exist in the state of solid particles, and increases the constancy of the gingerol extract. The invention also provides the process for preparing the gingerol extract microcapsule.

The present disclosure relates to a water savable toilet, and more particularly, to a water savable toilet that can easily operate an operation switch of the water savable toilet including an enclosed water tank as well as automatically adjust air pressure within a tank and uniformly maintain a discharge amount of washing water regardless of variations of water pressure. The water savable toilet includes an opening and closing guide, a division, a washing water outlet pipe, a flash valve, and a toilet bowl. The opening and closing guide includes an opening and closing ball and is disposed inside the closed water savable toilet. The division is disposed around the opening and closing guide and divides an inner space of the water tank. The washing water outlet pipe is disposed at a lower end of the water tank. The flash valve is communicated with one side of a washing water outlet pipe. The toilet bowl is disposed below the flash valve. Since the closed water tank is installed to use water pressure and air pressure at the same time, the air pressure can be adjusted by automatically flowing into the closed water tank. A using amount of the washing water is uniform even if inlet pressure of the washing water is varied. The using amount of the washing water is remarkably reduced because the washing water can easily pass through an inverted U-shaped pipe even if the using amount of the washing water is low.

The invention discloses a flame-retardant plywood gluing device and a using method thereof, and relates to a gluing device. The device specifically comprises a workbench, a glue box arranged on the workbench, and a gluing roller arranged at the bottom of the glue box and used for gluing plywood, a glue uniformizing plate used for enabling glue to be evenly smeared on the plywood is installed at the bottom of the glue box, a lifting table used for containing the plywood is installed at the position, located below the glue box, on the workbench, and vertical supporting legs are welded to four corners of the bottom surface of the workbench. In a implementation process of the device, the glue on the surface of plywood is evenly smeared through the glue uniformizing plate, meanwhile, redundantglue accumulated at the bottom of the glue uniformizing plate is scraped into a glue recycling box to be stored, and therefore recycling of the glue is achieved, the smearing effect of the glue is effectively improved, waste of the glue is avoided as well, and a utilization rate of the glue is improved.

The invention discloses a calibrating method of an electrolyte analyzer. The calibrating method comprises the following steps of: sucking in an slope correcting liquid so as to clean a pipeline and completely discharging the slope correcting liquid; sucking in the slope correcting liquid so as to cover an electrode, and measuring an electrode millivolt value; sucking in an electrode drifting liquid so as to clean the pipeline and completely discharging the electrode drifting liquid; sucking in an electrode drifting liquid so as to cover the electrode, and measuring the electrode millivolt value of the electrode drifting liquid; calculating the average value of the measured electrode millivolt values and values (recorded before) of the slope correcting liquid and the electrode drifting liquid and then calculating a slopevalue; calculating the concentration of the electrode drifting liquid according to the calculated slope value and the measured millivolt of the electrode drifting liquid, comparing the concentration with a standard concentration; and if the difference is less than a set value, determining that the calibration is passed. By utilizing the calibrating method of the electrolyte analyzer, the slope value can be calculated by calibrating the values of the slope correcting liquid and the electrode drifting liquid once and combining the electrode millivolt value measured during the calibration, the real-time capability and precision in calibration are ensured, the slope correcting liquid and the electrode drifting liquid are calibrated once, so that the slope correcting liquid and the electrode drifting liquid are saved; and moreover the pipeline is cleaned before the calibration so that the cross contamination is avoided.

The invention belongs to the technical field of fluid machinery and particularly discloses a multifunctional low-pressure spray irrigation nozzle. The multifunctional low-pressure spray irrigation nozzle comprises an adjusting tube, an air inlet connector, a connection tube, a switching device and a fixed base, wherein the adjusting tube is arranged on the inner side of a spray tube; one end of the air inlet connector stretches into a nozzle flow channel and is fixedly connected to the adjusting tube; the other end of the air inlet connector is arranged outside the spray tube; one end of the connection tube is connected to the air inlet connector, and the other end of the connection tube is connected to the switching device; the fixed base sleeves the outer side of a hollow shaft and is fixed; the switching device is fixed on the fixed base; the switching device comprises a switching device inner core, a switching device shell and a fertilizer-pesticide barrel switching device; an inner core hole I and an inner core hole II which are connected with each other are processed in the switching device inner core; a shell hole I, a shell hole II and a shell hole III are processed in the switching device shell; through regulation of connection manners of the holes in the switching device inner core and the switching device shell, the functions of pumping air or pumping fertilizers and pumping pesticides of the nozzle can be achieved.

The invention provides a composite sandwich panel. The composite sandwich panel comprises a plurality of surface layers and honeycomb core materials, wherein at least one surface layer is a fiber adhesive composite layer, the fiber adhesive composite layers are directly attached to the honeycomb core materials or the other surface layer, and fibers in the fiber adhesive composite layers are uniformly distributed. According to the composite sandwich panel, by designing the fiber adhesive composite layers to replace a traditional multi-layer structure of adhesive layers and fiber layers, the distribution of the fibers and an adhesive is reasonably controlled, so that the dosage of the adhesive is uniform, the tension and compression resistance enhancing effect of the fibers is retained, thehoneycomb core materials are directly attached, the bonding strength is good, forming is convenient and fast, and the automatic batch operation is suitable. The invention further provides a compositewall panel and a chassis made of the fiber adhesive composite layers.

The invention discloses a dragon fruit composite liquid fertilizer. Each liter of the liquid fertilizer comprises the following components: 15-25 g of urea, 10-20 g of potassium pyrophosphate, 5-15 g of potassium acetate, 1-3 g of zinc sulfate, 2-4 g of calcium nitrate, 0.2-0.6 g of magnesium sulfate, 0.1-0.5 g of boric acid, and 0.02-0.04 g of trace elements. The dragon fruit composite liquid fertilizer has the advantages that supply is carried out at any time according to a water-fertilizer rule required by crops, and the equalization of water volume and the fertilizer rate is guaranteed; the generation of soil borne disease can be directly and effectively controlled, and the disease is mitigated; the output is increased, the quality is improved, the labor intensity is reduced, and the economic benefit is increased.

The invention provides a honeycomb composite plate preparation method, wherein the honeycomb composite plate comprises packaging layers and a honeycomb core material. The preparation method comprises:coating the surface of a packaging layer with chopped fibers or a mesh felt made of chopped fibers; uniformly coating the packaging layer surface coated with the chopped fibers or mesh felt with an adhesive to form a to-be-molded pre-cured fiber adhesive layer; respectively adhering two packaging layers to both contact end portions of a honeycomb core material, wherein at least a packaging layeris adhered to one contact end portion of the honeycomb core material through a pre-cured fiber adhesive layer; and carrying out curing molding to form the honeycomb composite plate. According to the present invention, the surface of the packaging layer is coated with the chopped fibers or mesh felt, and the packaging layer surface coated with the chopped fibers or mesh felt is uniformly coated with the adhesive to obtain the fiber adhesive layer, such that the fiber and adhesive distribution can be reasonably controlled, the use amount of the adhesive is uniform, the reinforcing effects of tensile resistance and compressive resistance of the fiber can be retained, the honeycomb core material can be directly adhered, the molding is convenient, and the method is suitable for automated batchoperation.

The invention provides a femtosecond laser proton direct-writing system used for solving problems of present direct-writing systems such as low writing resolution ratio, unstable power control, large noise, profile depth error and limit in thickness requirements of an anti-corrosion agent. The femtosecond laser proton direct-writing system comprises a master controller, a proton beam generation system used for generating a proton beam of MeV energy level according to control of the master controller, a writing device used for writing a three-dimensional embossment structure on the surface of an anti-corrosion material workpiece by the utilization of the proton beam of MeV energy level, a follow-up platform used for placing the anti-corrosion material workpiece and moving to realize horizontal and vertical writing, and a follow-up platform control system used for controlling movement of the follow-up platform according control of the master controller and being connected with the master controller and the follow-up platform. By the above femtosecond laser proton direct-writing system, a three-dimensional embossment structure which has advantages of high aspect ratio, vertical and smooth side wall, low line edge roughness, high density and high precision is written by the utilization of the high energy proton beam.

The invention discloses a continuous quantitative suspension dosing device of liquid molluscicide, which belongs to the technical field of snail control of prevention and cure of schistosomiasis. The suspension dosing device comprises a glass rotameter (1), a flow regulating valve (2), a suspension pressure-regulating valve (3), a convection suspension chamber (4), a medicine storage chamber (5), a flowmeter medicine inlet (6), a liquid medicine suspension chamber conduit (7), a water inlet (8) and a suspension liquid medicine outlet (9). The flow of the liquid molluscicide of the medicine storage chamber can be controlled at 1.6-25.0L/h by the glass rotameter; the continuous quantitative molluscicide enters the convection suspension chamber and is formed into a convection vortex at the suspension liquid medicine outlet through the water inlet, and thereby, the even suspension liquid medicine can be formed; the even suspension liquid medicine is sprayed by a snail killing machine to kill snails, thereby achieving the advantages that the dose is even and stable, the pesticide effect is sufficiently produced, the snail killing quality is improved, the use is convenient, the labor and time are saved, the high efficiency is improved and the like, which lays the foundation for further controlling schistosomiasis.

The invention discloses a small motor stator core welding structure, which comprises a stator core unit, wherein the stator core unit is sleeved on the sleeve pipe, and the stator core unit is formed by stacking and combining a plurality of core punching sheets; and each iron core punching sheet is composed of an iron core yoke portion of an annular structure and a plurality of iron core tooth portions integrally formed on the inner side of the iron core yoke portion at equal angles, and stop blocks are arranged at the ends of the iron core tooth portions. According to the small motor stator core welding structure, welding grooves and welding bumps are symmetrically arranged at the bottom and top parts of cross sections of the iron core punching sheets, so that the welding bumps can be matched with the welding grooves for alignment stacking during stacking welding, and meanwhile, the welding bumps can be directly subjected to welding hot melting, so that metal filling is not needed during welding, the welding operation is more convenient, the welding quality is improved, the metal medium consumption is guaranteed to be balanced during welding, and the welding quality and the welding flatness are improved.

The invention provides a uniform-spraying water outlet valve for agricultural greenhouse irrigation, and relates to the technical field of irrigation valves. The uniform-spraying water outlet valve for agricultural greenhouse irrigation comprises a water conveying pipe, the top of the water conveying pipe is in threaded connection with a pesticide bottle, a pesticide adding hole is fixedly connected to the position, below the pesticide bottle, of the top of the water conveying pipe, an upper flow limiting rod is slidably connected to the interior of the water conveying pipe, a spraying head is fixedly installed at the bottom of the water conveying pipe, and the top in the spraying head is rotationally connected with a rotary drum in a limiting manner. According to the uniform-spraying water outlet valve for agricultural greenhouse irrigation, self-adjustment of the pesticide dosage according to the water pressure is achieved, pesticide distribution is more uniform, the dosage is more appropriate, the pesticide applying effect is improved, the spraying range of water flow can be kept certain, the phenomena that irrigation is repeated and irrigation cannot be achieved in a certain area are avoided, the water flow is prevented from dripping downwards in a concentrated manner, so that the irrigation uniformity is improved, and the irrigation quality is ensured.

The invention discloses a braille printing machine, and belongs to the field of braille printing equipment. The upper end of the rack is fixedly connected with a supporting plate; the fixing shaft is fixedly connected to the supporting plate, the fixing shaft is rotatably connected with side plates, one side plate is fixedly connected with a wheel groove disc through a connecting shaft, the supporting plate is rotatably connected with a driving plate, the driving plate and the wheel groove disc are combined to form a wheel groove intermittent movement mechanism, the multiple mother plates are arranged corresponding to the intermittent movement mechanism, and the motor is in transmission connection with the driving plate. The second vertical plate is rotatably connected with a rocker, one end of the rocker is hinged to a hinge rod, the hinge rod is hinged to a driving plate, and the connecting rod is fixedly connected with a sub-plate, so that multiple procedures can be carried out at the same time, and the driving plate rotating continuously drives the rocker to swing through the hinge rod; and then the printing device drives the daughter board to dip the curing agent and drive the daughter board to be printed with the mother board, the continuous printing process is achieved, the curing agent can be supplemented, the dosage is uniform, and the situation that the dosage of the curing agent is too small, and salient points on printing paper are not prone to being ground flat is avoided.