65results about How to "Precise dose control" patented technology

A controller for a pulsed radiation source is a closed-loop controller of minimum order, preferably first, to effect dead beat control. Performance indicators for a pulsed radiation source in a lithographic apparatus are based on moving averages (MA) and moving standard deviations (MSD) of the error between target and actual pulse energies. The normalized indicators are given by:

wherein Ep_ref(i) and Ep_err(i) indicate reference energy per pulse and energy error per pulse for point i and

The invention discloses a method for preparing a tablet with any dose based on 3D (three-dimensional) printing. A 3D printing technology is combined with preparation of medicinal tablets, three-dimensional modeling is started on a computer for controlling the printing process of a 3D printer, the medicine dose required by a patient is input after the density of a medicine preparation and the ratio of the radius to the height of the tablet are set, a 3D model can develop the appearance of the tablet which is to be printed, and the tablet with precise dose can be printed after pharmaceutical personnel confirm. The medicine with precision dose, which is required to be taken by the patient and is determined by a doctor according to the individual difference of the patients, the stage of the disease according to the disease degree as well as related physiological index can be prepared into tablets by the 3D printer, so the medicine safety is greatly improved, and customized design and personalized treatment are realized.

The invention discloses a microneedle array device for minimally invasive precision subcutaneous administration. The device comprises an injection pump, a hose and a five-needle-head microneedle. The injection pump comprises a lead screw, a clamp, an injection syringe, a base, a lead screw, a nut propeller, a screw rod and a stepping motor. One end of the lead screw and one end of the screw rod are connected with the stepping motor, the other end of the lead screw penetrates through the nut propeller to be fixed to the base through a support, the other end of the screw rod is directly fixed to the nut propeller, the injection syringe is fixed into a V-shaped guiding groove of the base through the clamp, a piston of the injection syringe is connected with the nut propeller, the stepping motor drives the screw rod to rotate, the screw rod rotates to drive a nut meshed with the screw rod to move linearly, the nut pushes the nut propeller to move in the guiding direction of the lead screw, and therefore the injection syringe is pushed to move rightwards, and medicine liquid in the injection syringe enters the five-needle-head microneedle through the hose. The depth of the microneedle into skin can be precisely controlled by controlling the rotating angle of the microneedle nut relative to a needle cap.

The invention discloses a high-efficiency concrete mixing device, which comprises a water tank and a bearing frame. A water tank is installed on one side of the inner top of the bearing frame, and a stone quantitative chamber is installed on the other side of the inner top of the bearing frame. The stone quantitative chamber Stone tanks are installed on both sides of the inner top, and a first pressure sensor is installed at the bottom of the stone quantitative chamber. The main body of the mixing tank is installed on the carrier below the stone quantitative chamber. A powder quantitative chamber is arranged on one side of the stone quantitative chamber, and a second pressure sensor is installed at the bottom of the powder quantitative chamber, and a control panel is installed on the side of the carrier near the powder quantitative chamber. The invention can accurately control the amount of each proportion of concrete and improve the overall quality of concrete.

This invention relates to a preparing method for white LED chips with a monochromatic light-emitting chip, a lead, a base chip with fluorescent powder and a wafer base board characterizing that a wafer bonded technology is applied to the chip with fluorescent powder and the wafer base board to bond them to be cut to get LED chip generating white light, and the bonded technology includes an anode bonding, adhesive bonding and low temperature surface activated bonding.

The invention relates to dosage forms of medicines, and discloses suspension dispersible tablets which at least comprise (1) an effective active component, (2) an excipient mixture at least comprising a disintegrating agent, and (3) suspension particles comprising a filling agent, a suspending agent and an adhesive. The suspension dispersible tablets have advantages as suspensions, such as wide distribution in gastrointestinal tracts and high bioavailability, and have advantages as tablets, such as appropriate hardness, easy transportation, easy carrying, and accurate dosage controlling.

The invention discloses an intelligent traditional Chinese medicine pharmacy system, and belongs to the technical field of medicine. The intelligent traditional Chinese medicine pharmacy system is characterized by comprising a data interface unit, a prescription management unit and a medicine dispensing unit, which are connected electrically; the data interface unit sends a queried and obtained prescription data signal to the prescription management unit; the prescription management unit sends the reviewed prescription data signal to the medicine dispensing unit; and the medicine dispensing unit receives the prescription data signal and then sends medicines through an intelligent medicine dispensing machine. According to the invention, the safety of the medication is ensured by the arrangement of contraindication compatibility; detailed information of a prescription can be accurately checked before the medicines are dispensed, and subsequent inspection is not required; the entire electronic prescription is standardized in procedure and strong in effectiveness from the treatment to the completion of the medicine dispensing, thereby greatly improving the accuracy of medicine dispensing and the efficiency of medicine dispensing, and saving the time for taking medicines for patients; the medicine dispensing machine is compact in structure, small in space occupation and simple to operate; and the system is controlled by a mechanical automatic program, the prescription is simply written and the medicine packing speed is high.

The present invention provides one kind of medicine composition of benazepril and its preparation process. The present invention solves the problem of benazepril with low dissolution and the problems of the preparation process in medicine sticking and medicine degradation. The preparation process combines solid dispersing technology and traditional tablet preparation, and is simple, accurate in dosage control and high in production efficiency.

The invention provides a pump suction unit which is composed of an upper one-way valve body and a lower one-way valve body. A first liquid inlet hole and a first liquid outlet hole which are communicated with the outside world are arranged on one end of the lower one-way valve body and away from the upper one-way valve body, and a hydraulic structure is arranged at one end on the upper one-way valve body and away from the lower one-way valve body; a one-way valve membrane is arranged between the upper one-way valve body and the lower one-way valve body, the one-way valve membrane is contacted with the upper one-way valve body to form a gap enabling the first liquid inlet hole and second liquid inlet hole to be communicated and contacted with the lower one-way valve body to form a gap enabling the first liquid outlet hole and second liquid outlet hole to be communicated, and the pump suction unit has the advantage of accurate control of dosage. The invention further provides a urea solution supply system and method used for SCR (selective catalytic reduction) system anti-crystallization. Since a reversing unit is arranged, a urea solution absorbed exceedingly by a pipeline can be sucked back through the pipeline, the situation that extra urea solutions are remained in the pipeline and a dosing module to produce crystallization is avoided, and risk in pipeline clogging is reduced.

The invention discloses a preparation method for a solar wafer, which comprises the following steps of: S1) implanting P-type ions into the backside of a P-type substrate wafer through an ion implantation method to form a P+ doped layer; S2) forming an N-type doped layer on the surface of the P-type substrate wafer; S3) plating a silicon nitride film on the surface of the P-type substrate wafer; S4) making a metal electrode on the surface of the P-type substrate wafer and sintering to form a surface electrode; and S5) making a metal electrode on the backside of the P-type substrate wafer and sintering to form a backside electrode, wherein when a P type is replaced by an N type, the N type is replaced by the P type at the same time. By adopting the ion implantation method, the doped layers can be enabled to be even, the doping dose can be accurately controlled and therefore the conversion efficiency of a solar cell can be enabled to be closer to a theoretic design value.

The invention relates to a pharmaceutical composition containing parecoxib sodium, and belongs to the field of medicine. The side effects of parecoxib sodium are increased along with the increase of dosage and exposure duration in the analgesic treatment process, the rise of liver transaminase will occur if parecoxib sodium is taken for a long time, and consequently the clinical application rangeof the drug is affected. In order to overcome the technical defect of large adverse reactions in the analgesic treatment process in the prior art, the pharmaceutical composition for analgesia is provided; parecoxib sodium and ginkgolide serve as active pharmaceutical ingredients of the pharmaceutical composition, and when the pharmaceutical composition is used for analgesic treatment, the two active ingredients have a significant synergistic effects in analgesia, can significantly reduce adverse reactions caused by drugs and show a significant protective effect on liver especially, so that thepharmaceutical composition is suitable for being developed into clinical treatment drugs.

The invention relates to a lubricant spraying system for a gasket. The lubricant spraying system for the gasket comprises a gasket platform used for placing the gasket to be sprayed, a spraying nozzle capable of obliquely moving to the inner side of the gasket, and a friction wheel capable of being arranged at one side of the gasket platform in a rotary mode, wherein at least two rotation rollers are symmetrically arranged on the gasket platform, and the gasket is in contacting connection with the rotation rollers and the friction wheel and rotates under the driving of rolling frictional force of the friction wheel. The lubricant spraying system for the gasket is capable of automatically spraying lubricant to the inner side of the gasket, accurately controls the dosage and uniformity of the lubricant on each gasket, and improves the lubricating quality of the gasket.

The invention relates to a surface hardening method for martensite stainless steel. In the technical scheme, the surface hardening method comprises the following steps of: putting a processed martensite stainless steel workpiece on a workbench of a vacuum chamber of an ion implanter, vacuumizing until the pressure is between 2.0*10<-3> and 3.0*10<-3>Pa, and removing a passivation layer on the surface of the workpiece by using an ion cleaning source; and implanting nitrogen ions to the martensite stainless steel workpiece of which the surface passivation layer is removed under the conditions that: the vacuum degree is between 5.0*10<-4> and 5.0*10<-2>Pa, the accelerating voltage of the ion source is between 10 and 100 kV, and the implantation dose is between 5.0*10<15> and 5.0*10<19> ions/centimeter<2> to obtain the surface-hardened martensite stainless steel, wherein the operating conditions of the cleaning source include: filament current is between 6 and 10 A, arc voltage is between 40 and 70 V, extraction voltage is between 0.6 and 1.5 kV, and extraction current is between 40 and 70 mA. The surface hardening method has the characteristics of simple process and no pollution in the processing process; and the abrasion performance and hardness of the surface of the product processed by the method are improved substantially, the combination between a hardening layer and a stainless steel substrate is firm, and the service life is long.

The invention relates to the technical field of display and particularly relates to a display panel and a production method thereof. The production method of the display panel comprises the followingsteps: successively forming lead wires and a light-emitting function layer on a substrate, wherein the light-emitting function layer covers the lead wires; forming conducting channels in the light-emitting function layer, wherein the conducting channels extend from one side away from the substrate of the light-emitting function layer to the lead wires; forming a cathode layer on the light-emittingfunction layer, wherein the cathode layer is connected with the conducting channels. According to the scheme, conducting particles are poured into the light-emitting function layer to form the conducting channels, so that the cathode is connected with the lead wires; the wiring length between the cathode and the lead wires is reduced; the touch control blind area on the display panel caused by the oversized wiring area is avoided.

The invention discloses a medicine and embolism particle mixed injection device capable of being remotely controlled. The medicine and embolism particle mixed injection device comprises a console andan execution structure, wherein the execution structure comprises a first injector, a second injector, an injector fixing device, an injector pushing device, an injector stroke limiting device, a controller II and a serial port display screen; the console comprises a controller I; and the controller I is connected with the controller II, a touch display screen, a power-on button, a safety mechanism button, a real-time speed control rocker, a maximum pressure control knob, a maximum speed control knob, an analog signal collector and a heat dissipation module. The medicine and embolism particlemixed injection device is simple and reliable to operate, and can realize remote non-contact sterile medicine and embolism material mixed injection operation, vibrator mixing of medicines and granularembolism materials, accurate injection speed and dosage control and real-time monitoring of injection flow and pressure, so that the accurate embolism curative effect is achieved, the exposure time for interventional physicians to inject the medicines in an operation is greatly shortened, and the work intensity of the physicians is reduced.

The invention discloses a latent fingerprint developing cotton sheet and application. A non-woven fabric is used as a base material and immersed in a fingerprint developing agent, the base material isin a wet state after being adsorbed and loaded with the fingerprint developing agent, and the latent fingerprint developing cotton sheet is obtained. The cotton sheet is immersed in the developing agent to prepare the developing cotton sheet, and by controlling the amount of the developing agent, the developing cotton sheet which does not contaminate a latent fingerprint object can be obtained; and the developing cotton sheet covers an object containing the latent fingerprint, after the cotton sheet is torn off, the object is naturally dried, fingerprint lines can be observed under a light source matched with the developing agent, and the fingerprint lines are suitable for photographing and recording. According to the method for developing the latent fingerprint by the cotton sheet, the development effect is good, portability is achieved, operation is simple, and the development time is short; the application range is wide, and cotton sheets of different sizes carrying different developing agents can be prepared; and the cotton sheets can be reused and suitable for criminal investigation on-site operation and industrial production.