349results about How to "Fast injection" patented technology

This invention discloses pole plates of Li ionic cells, in which, a micro-porous film is set on the pole plate with PVDF as the matrix and chemical gel formed by chimical cross-link is set in the micro-porous film.This invention also discloses a Li-ionic cell core with said pole plates and a preparation method including: the PVDF film forming chemical gel inside by irradiation and cross-link has the heat contraction rate of nearly zero under 100-220deg.C, which can prevent electronic short circuit of positive and negative pole plates caused by over contraction of intensified switchable Polyolefin micro-hole septums under high temperature when being coated on the pole plates.

A wastewater treatment method employing chemicals for disinfection, and precipitation of suspended solids, heavy metals and phosphates before subsequent aerobic bacterial biological treatment using Nitrosomonas and Nitrobacter bacteria to remove ammonia and nitrates/nitrites and BOD compounds to produce recovered treated wastewater suitable for open water discharge.

A multipurpose vacuum casting device comprises a smelting furnace and a set of vacuum pumping system communicated with an inner cavity of the smelting furnace. The smelting furnace is provided with a casting pull-down continuous casting molding system which is formed together with the smelting furnace, a vacuum smelting system used for melting metal and a vacuum casting system used for ingot casting molding. Due to adoption of only one set of vacuum pumping system and one smelting furnace, a plurality of purposes such as vacuum induction heating smelting, vacuum casting, vacuum smelting and continuous casting under protection of inert gas can be achieved, the number of device components is greatly reduced, structure of a device is simplified, manufacture cost of the device is decreased to a large extent, production efficiency and casted blank quality are improved, operation is convenient and failure rate of the device is reduced.

The invention relates to a one-step copper smelting technology and a device thereof. The interior of a furnace body is divided into three zones, namely a smelting zone, a blowing zone and a refining zone, by a retaining wall; and two rows of spray guns which are arranged in a staggered manner and have an included angle with a vertical line are arranged at the bottoms of the zones; return dust is mixed and then added into mixed copper concentrate and a solvent through a charging opening of the smelting zone, oxygen-enriched air is sprayed through the spray guns to carry out self-heating smelting, to generate copper matte; the spray guns in the blowing zone spray oxygen-enriched air so as to blow copper matte into crude copper and slag; the spray guns in the refining zone supply oxygen-enriched air for oxidization, and supply natural gas as a reductant for reduction, and the generated anode copper with high purity is interruptedly discharged form a copper discharging opening, so that the low-altitude pollution problem caused by SO2 can be solved, the operation environment can be greatly improved, the utilization rate of sulfur and heat can be obviously increased, and further the economic benefits can be increased further; in addition, the invention provides a one-step copper smelting technology which is more advanced, shorter in flow, lower in investment, lower in comprehensive energy consumption, higher in recovery rate, and better in comprehensive utilization in comparison with the existing continuous copper smelting technology.

The invention discloses a motor adhesive injecting device and an operating mode thereof. The device comprises a shooting cylinder which is provided with an outlet at the bottom, a pressure ram arranged inside the shooting cylinder, a drive screw connected with the upper part of the pressure ram, a fixing screw used together with the drive screw and a drive motor arranged on top of the drive screw. The rotation of a motor drives the screw to make the spiral movement inside the nut and drives a piston to have the axial displacement to act on the liquid. The operating mode is that the rotating axle of the motor is controlled to continuously rotate, discontinuously rotate, impulse rotate or reverse the axle to drive the piston to move up and down or vibrate correspondingly to the cylinder. With excellent response, the motor can control the injection rate accurately by the controlling the rotating angle. The motor can satisfy the requirements for accurate and rapid adhesive injecting for the constant running speed and uniform flowing speed of the liquid.

The invention discloses a device for automatic and continuous injection of poultry, and belongs to the technical field of poultry injectors. The device comprises an injection system and an injection pushing system, wherein the injection system comprises a puncturing component arranged at the front end of an injection tube; the injection tube comprises a piston rod arranged in the tube and a medicament storage joint arranged on the wall of the tube; the puncturing component comprises a needle head, a needle head connecting piece and a unidirectional joint; the rear end face of the needle head connecting piece is provided with a plurality of symmetrically distributed guide rods; the injection pushing system comprises a permanent magnetic core arranged in the sleeve, a movable coil with front coil cover, a fixed rod, a soft iron tube and a coupling sleeve; the coupling sleeve is fixed at the front end of the front coil cover and provided with an accommodating cavity; one end of the guide rod is fixed on the rear end face of the needle head connecting piece, and the other end of the guide rod is fixed on the coupling sleeve after passing through the front end cover of the sleeve; the piston head of the piston rod is ferruled in the accommodating cavity of the coupling sleeve; and the length of the piston head is less than the depth of the accommodating cavity. The device has the advantages of simple operation, large injection depth, high dosage accuracy and high injection speed.

The present invention relates to novel anti-pain formulations and methods of their delivery. Anti-pain agents delivered in accordance with the methods of the invention have an improved clinical utility and therapeutic efficacy relative to other drug delivery methods, including oral, intramuscular and subcutaneous delivery. The methods of the present invention provide benefits and improvements over conventional drug delivery methods including dose sparing, increased drug efficacy, reduced side effects.

The invention provides an electronic cigarette (10). An atomizing core (100) of the electronic cigarette includes a main body part (110), a first ceramic sealing element (130), a cigarette holder part (150), a second ceramic sealing element (170) and an elastic piece (190). The first ceramic sealing element (130) is arranged on the main body part (110), and a liquid injection hole (132) is arranged in the first ceramic sealing element (130). The cigarette holder part (150) is slidably connected with the main body part (110), when the cigarette holder part (150) is located in a first position relative to the main body part (110), a suction hole (152) of the cigarette holder part communicates with an airflow channel (114); the second ceramic sealing element (170) is arranged on the cigarette holder part (150), and one side face of the second ceramic sealing element (170) slidably abuts against one side face of the first ceramic sealing element (130); when the cigarette holder part (150) is located in the first position, the second ceramic sealing element (170) covers the liquid injection hole (132), and when the cigarette holder part (150) slides from the first position to the second position, the liquid injection hole (132) is exposed; and the elastic piece (190) is arranged between the first ceramic sealing element (130) and the main body part (110) and/or between the second ceramic sealing element (170) and the cigarette holder part (150), and the elastic piece (190) enables the first ceramic sealing element (130) and the second ceramic sealing element (170) to compress each other.

The invention relates to a bone cement stirring and injecting system. The bone cement stirring and injecting system mainly comprises a spiral handle, a bone cement stirrer, a bone cement injection cylinder and a bone cement outlet pipe, wherein a stirring channel component is arranged in a housing component; a stirring movable part is arranged in the stirring channel component and connected with the stirring channel component in a sliding manner; a spiral handle positioning ring is arranged on the spiral handle; the lower end of the spiral handle is fixedly connected with a piston; the piston is in close connection with the stirring movable part; a blade is fixedly connected to the lower end of the stirring movable part; an injection outlet component is arranged in a main container; an outlet plane sealing part is arranged at the outlet of the main container; and stirrer connecting interfaces are arranged at the lower end of the main container and used for being connected with the bone cement stirrer and the bone cement injection cylinder. The bone cement stirring and injecting system can quickly inject bone cement into a diseased vertebral body, and avoids the phenomenon that solidification occurs when bone cement is not injected into the diseased vertebral body.

The invention provides a digital PCR (polymerase chain reaction) chip and methods for preparing and applying the same. The digital PCR chip comprises a glass support layer, a seal layer, a reaction layer, a cavity layer and a waterproof layer. The glass support layer, the seal layer, the reaction layer, the cavity layer and the waterproof layer are sequentially arranged from bottom to top, the reaction layer and the seal layer are bonded to form main flow channels and a plurality of independent PCR chambers between the reaction layer and the seal layer, the PCR chambers are separated from oneanother by the main flow channels, the cavity layer and the reaction layer are bonded to form cavities between the cavity layer and the reaction layer, sample inlets and sample outlets which are sequentially perforated are further formed in the reaction layer, the cavity layer and the waterproof layer, and cavity layer inlets and cavity layer outlets which are sequentially perforated are formed inthe cavity layer and the waterproof layer; the seal layer, the reaction layer and the cavity layer are made from polydimethylsiloxane, and the waterproof layer is made from parylene. The digital PCRchip and the methods have the advantage that the digital PCR chip is easy to operate, high in speed, flux and automation degree and low in manufacturing cost.

A process for preparing the plastic filter plate or plastic plate features that its mould is controlled by hydraulic press, its heat channel is positioned at the bottom of lower mould and communicated with said lower mould, and the plasticized plastics is injected in said mould via heat channel.

The invention discloses a method for efficiently improving the permeability of a coal body by utilizing liquid nitrogen-hot gas cold and hot cycle impact. Liquid nitrogen is injected and gasified forabsorbing heat to quickly reduce the temperature of the coal body, and water in the coal body is iced and expanded to apply icing expansive force to the coal body for cracking; meanwhile, the gasifiednitrogen rapidly expands in volume to apply gas expansion force to the coal body for cracking, the gas pressure in a drill hole is rapidly increased, and the nitrogen is exhausted through an exhaustpipe; then, after liquid nitrogen injection is stopped, the liquid nitrogen is continuously gasified and expanded in the layer-crossing drill hole to apply gas expansion force to the coal body for cracking, and the gasified nitrogen flows back and is recycled, so that subsequent repeated use is facilitated; hot steam is injected to apply gas impact force to the coal body for cracking, meanwhile, the temperature of the coal body is rapidly increased, and the coal body is cracked through the temperature difference; then the hot steam is discharged out of the layer-crossing drill hole, so that the gas pressure in the layer-crossing drill hole is reduced, and the hot steam can be continuously injected; and the steps are repeated for cycle to carry out cold and hot alternation to impact the coal body, therefore, the permeability improvement time is effectively shortened, and the permeability improvement effect is ensured.

The invention provides an intravenous injection auxiliary device for pediatric nursing, which belongs to the technical field of injection auxiliary devices, aims to solve the problems that when the head of a child is injected at present, time and labor are wasted, and in addition, the firmness of the body of the child is poorer, and the convenience during the injection of the head of the child isfurther reduced; the device comprises a bottom plate, a lifting mechanism is arranged on the upper portion of the bottom plate, and a pedal mechanism is arranged on the front side of the bottom of thebottom plate. The device comprises a leg fixing piece, a hand fixing piece and a head fixing piece; during injection, a child to be injected lies on the lifting mechanism, the legs are placed in theleg fixing piece to be pressed, then the hands of the child are tightly bound to the two sides of the hand fixing piece through two wrapping belts, the head of a child is placed between the two clamping air bags and is clamped through the head fixing piece, so that more time and labor are saved when the child is injected on head, the body of the child has better firmness during injection, and theconvenience during injection of the head of the child is improved.

A test bar is prepared from following steps: preparing gold film electrode on insulating material by using micro electric mechanical system (MEMS); after electrode is treated through surface activation technique, a layer of nano metal grain is assembled on reaction zone on surface of the electrode through method of electrochemical deposition; then, reaction reagent is fixed on the said layer of nano metal grain so as to form reagent layer. When blood cholesterol of object to be analyzed through capillary action adds in drop wise to reaction zone of the test bar, detection system of electrochemical biosensor detects concentration of total cholesterol rapidly.

The invention discloses an automatic fed livestock and poultry injection device. A spindle is arranged in a channel, two clamping plates are located on two sides of the spindle, and an extensible device is connected between the two clamping plates. A pressure sensor and a livestock and poultry sensing device is arranged on the surface, facing the other clamping plate of one clamping plate. A weighing sensor is arranged on the bottom surface of the channel. The automatic fed livestock and poultry injection device further comprises an injection mechanism. The injection mechanism comprises a syringe needle, the syringe needle is connected to a needle cylinder and is fixed to a syringe needle support, and the syringe needle support is fixed to a first linear reciprocating motion mechanism. The needle cylinder comprises a piston core rod, and the end, located outside of the needle cylinder, of the piston core rod is fixedly connected with a second linear reciprocating motion mechanism. The automatic fed livestock and poultry injection device further comprises a medicine storage tank, wherein the medicine storage tank is connected to the needle cylinder through a medicine delivery tube. The syringe needle points to the inside of the channel. The automatic fed livestock and poultry injection device is used for solving the problem that weighing and medicine injection are inconvenient during livestock and poultry breeding in the prior art, and the purposes of conveniently capturing and weighing livestock and poultry, meanwhile improving the livestock and poultry injection efficiency and reducing the labor and time costs are achieved.

The invention provides a micro double-bed solid fuel decoupling combustion reaction dynamic analyzer which comprises a fuel pyrolytic reaction generation device, a residual coke combustion reaction generation device, a double-bed high-temperature coupling device, a gas path device and an analysis test device, wherein solid fuel is firstly pyrolyzed under an inert atmosphere in a micro gas flow bed; then residual cokes enter the micro gas flow bed for combustion test under an air atmosphere; a quick gas detector is used for judging a reaction mechanism by measuring a generation sequence and a generation quantity characteristic of gas components in a fuel pyrolysis process and a coke combustion process, so that reaction dynamic parameters can be calculated. According to the micro double-bed solid fuel decoupling combustion reaction dynamic analyzer, the combustion dynamic parameters of the solid fuel can be tested through direct decoupling combustion through independent and quick switching of the atmospheres and the temperature; the pyrolyzed residual cokes are directly subjected to the combustion test without a cooling process; the temperature rising rates of the gas flow bed and a fluidized bed are high, so that a combustion condition in an actual boiler can be well simulated; the measured reaction dynamic parameters are close to intrinsic reaction dynamic parameters.

A gas quantitative sample-feeding device of manual type is prepared for setting temperature constant chamber in cabinet; arranging heat radiation flat plate with heating core and temperature transducer as well as quantitative tube in said chamber; connecting two end of said tube to two interfaces of six-way valve; connecting the other interfaces of six-way valve separately to sample gas outlet and inlet tube, residual gas exhaust pipe and carrier gas inlet pipe; using two spiral anticorrosion tubes as quantitative tube and arranging needle valve in carrier gas inlet tube.

The invention discloses a heparin pump. The heparin pump comprises a casing, a machine frame, a stepping motor, a control circuit board, a lead screw, a lead screw nut, a guide rail and a sliding block connection block, wherein the machine frame is fixed in the casing, the stepping motor and the control circuit board of the stepping motor are arranged on a motor installation plate of the machine frame, one tail end of the lead screw is directly connected with a driving shaft of the stepping motor, the other tail end of the lead screw is in supporting connection with a supporting sleeve, the lead screw nut is in threaded connection with the lead screw, the lead screw nut is fixed to the nut connection block, the guide rail is fixed to the side plate of the machine frame, and the sliding block connection block is arranged on the guide rail. A spring with preset pressure is compressed in an inner hole of the sliding block connection block by the nut connection block through an axial retainer ring, and one tail end of the sliding block connection block is fixedly connected with a push rod for directly pushing an injector matched with the heparin pump in use. The heparin pump is simple and reliable in structure and has the functions of blockage, empty liquid warning, fast heparin injection and slow heparin injection.

An injection molding machine 10 utilizes a two part mold to produce a molded part. A machine includes a clamping mechanism 20 including one or more clamping cylinders 22 for applying a mold clamping force to the two part mold, an injection mechanism 30 for plasticizing material and injecting the plasticized material into the closed mold, and a controller 50 for powering the molding machine hydraulic system 52. In one embodiment, clamping pressure is automatically increased or decreased to allow air to escape as plasticized material flows into the mold cavity. In another embodiment, the controller provides a minimum clamp pressure to maintain the plasticized material within the mold as a function of fluid injection pressure to the screw member of the injection system.

The invention discloses a radial tyre bladder and a preparation method of the radial tyre bladder, belonging to the technical fields of compositions of macromolecular compound and preparation methods. The radial tyre bladder comprises the following raw materials by weight: 90-110 parts of butyl rubber, 5-6 parts of chloroprene rubber, 4-6 parts of castor oil, 48-55 parts of carbon black, 0.7-1.5 parts of stearic acid, 0.4-0.8 parts of paraffin, 7-10 parts of resin, and 4-6 parts of zinc oxide. The method comprises the following steps: (a) preparing ingredients, mixing and filtering: mixing the semi-finished rubber and zinc oxide at 50-60 DEG C for 40-50 seconds, adding the resin and mixing for 60-70 seconds, adding other additives, raising the temperature to 150-160 DEG C, mixing for 7-8 minutes to obtain a mixture, and standing for 12-24 hours; (b) extruding to obtain slices and forming rubber strips; (c) vulcanizing and polishing, wherein the vulcanization temperature is 160-170 DEG C and a pressure-maintaining and temperature-preservation process is performed for 3-5 minutes. According to the technical scheme of the invention, the production efficiency is improved, the heat resistance of the rubber is increased, and the service life of the tyre bladder is prolonged.

Installations for mounting, controlling, and guiding control rods in and outside a vessel may be removed and passage through an upper internal part may thereby be avoided. An upper internal part is placed near the core of a reactor and laterally emerges on the outside of the vessel. All the transmission, control, and fluid systems pass through this internal part and emerge, by a mobile connection part, for each cluster of control rods, on an assembly head containing tanks of liquid neutron absorber, and injection circuits in injection channels placed between the fuel rods.