34results about How to "Reduced operating proficiency requirements" patented technology

The invention relates to a HPLC (high-performance liquid chromatography) detection method capable of simultaneously detecting contents of six amino acids in a donkey-hide glue blood-supplementing preparation. The method comprises the following steps: providing a donkey-hide glue blood-supplementing preparation sample; providing an amino acid standard sample; respectively adding the donkey-hide glue blood-supplementing preparation sample and the amino acid standard sample into phenylisothiocyanate-acetonitrile solution; uniformly mixing and standing, and respectively adding n-hexane; uniformlymixing and standing once again, respectively extracting lower-layer solutions, and filtering to obtain a derivatized donkey-hide glue blood-supplementing preparation sample solution and a derivatizedamino acid standard sample solution; sucking the derivatized donkey-hide glue blood-supplementing preparation sample solution and the derivatized amino acid standard sample solution, and injecting into a liquid chromatograph to perform amino acid detection. According to the invention, the contents of six major amino acids in the donkey-hide glue blood-supplementing preparation are detected by adopting reversed-phase high-performance liquid-phase, the sample treatment method is simple, the detection method has good specificity, repeatability and accuracy, and the internal quality of donkey-hide glue blood-supplementing granules can be well controlled.

The invention discloses a method for measuring the content of amino acid in a black-bone chicken milk increasing preparation. The method comprises the following steps: subjecting a black-bone chicken milk increasing preparation to a protein hydrolysis treatment; and then using an amino acid analyzer to analyze the hydrolysate so as to measure the amino acid content. In the conventional standards, the protein content can be only represented by total nitrogen content, the provided method can overcome the shortage, moreover, the method can precisely measure contents of 17 amino acids in the preparation, has the advantages of simple pretreatment, strong specificity, good repeatability, and high precision, can well control the quality of the black-bone chicken milk increasing preparation, and improves the safety and effectiveness of the preparation.

The invention discloses a micro thermoelectric module and a production method thereof. The production method includes the following steps: acquiring a thermopile with a sandwich structure, wherein the thermopile comprises a first electrode layer, a second electrode layer and a staggered P-N type thermoelectric sheet array sandwiched between the first electrode layer and the second electrode layer, and processing separating grooves on the thermopile to form multiple thermoelectric units of the array. Compared with the prior art, the micro thermoelectric module and the production method thereof have the advantages that integration of thermopile manufacture and electrode connection processing can be realized only through a precise gas cutting machine, and electrode micro-processing procedures in the prior art are omitted, so that needed equipment and process cost are reduced, requirements on worker operating proficiency are low, and convenience is brought to mass production.

The invention discloses a conicity measuring instrument comprising a pedestal, and a fixed rod, a measuring rod and a dial arranged on the pedestal; the dial is provided with a pointer; the pointer is connected with the measuring rod through a link rod in a rigidity manner; the measuring rod is hinged to the pedestal; the conicity measuring instrument is simple in structure, strong in economical property, low in making cost, simple and easy in operation principle, and needs no professional personnel to operate; the conicity measuring instrument is simple and fast in operation, thus improving the conicity measuring efficiency; the conicity measuring instrument is easy to dismount and mount, low in maintenance cost, and easy and convenient in operations.

The invention relates to a method for measuring the content of an amino acid in an amino acid chromium complex. The method comprises the following steps: (1) adding an inorganic acid solution into a weighed amino acid standard product, thereby preparing a standard solution; (2) adding the inorganic acid solution into a weighed amino acid chromium complex test sample to be tested so as to dissolve the sample, thereby obtaining a test sample solution; (3) respectively performing high performance liquid chromatography on the standard product solution and the test sample solution, thereby obtaining the content of the amino acid in the amino acid chromium complex by using an external standard method, wherein the analysis conditions are that a C18 liquid phase chromatographic column is adopted as a chromatographic column, and a phosphate solution is adopted as the flow phase. The method for measuring the content of the amino acid in the amino acid chromium complex is simple in sample pretreatment process, simple and convenient to operate, capable of rapidly measuring the content of the amino acid in amino acid chromium complex and relatively high in sensitivity, accuracy, stability and reproducibility, and a reliable and effective method is provided for quality detection on the amino acid chromium complex.

The invention relates to a method for detecting the content of Danshensu in Fuyankang tablets, which comprises the following steps: 1) preparing a sample solution to be measured of Fuyankang tablets; 2) drafting a standard curve of a comparison product solution of Danshensu; 3) injecting the obtained sample solution to be measured of Fuyankang tablets in a step 1) into a liquid chromatograph for chromatogram determination of Danshensu in Fuyankang tablets; 4) calculating the content of Danshensu in Fuyankang tablets according to the chromatogram of the obtained sample solution to be measured in a step 3) and the standard curve of the comparison product solution of Danshensu. The high performance liquid chromatography (HPLC) detection method for detecting the Danshensu content in Fuyankang tablets has advantages of simple sample treatment method, exclusive test method, good repeatability and high accuracy, and has significance, for controlling the product quality of the Fuyankang tablets.

The invention relates to optical measuring system and method for cell perforation. A cell culture dish and a reflecting mirror are arranged on a three-dimensional moving platform; a 642nm laser deviceis arranged on the horizontal right side of the reflecting mirror; an objective lens, an A dichroscope, a B dichroscope, a C dichroscope and a photoelectric detection device are sequentially arrangedright under the three-dimensional moving platform; two focusing lenses are arranged in the horizontal rightward direction of the A dichroscope; laser devices are arranged on the sides of the focusinglenses and the dichroscopes and are connected with a delay device; and a high-speed camera is arranged on the right side of one dichroscope and is connected with the photoelectric detection device are connected with a digital signal processor (DSP) processing system. The method comprises the steps of culturing a cell in the cell culture dish, and adding nanometer gold and a voltage-sensitive dye;using the laser devices for continuously irradiating the cell and exciting the voltage-sensitive dye; using the high-speed camera for acquiring an image; and calculating and drawing a variation trendof a cell span membrane potential through the DSP processing system. According to the optical measuring system and the method for cell perforation provided by the invention, the cell can be recoverably perforated at low cost.

The invention provides a mixed polyurethane crosslinked foam material and a preparation method thereof and relates to the technical field of foam materials. The mixed polyurethane crosslinked foam material comprises, by weight, 20-95 parts of mixed polyurethane, 5-80 parts of a vinyl copolymer, 0.1-5 parts of a crosslinker, and 0.5-15 parts of a foaming agent, and the mixed polyurethane has Mooneyviscosity of 10-150. The technical problem is solved that existing cast polyurethane foam material has defective regions, poor elasticity, high compressive permanent deformation and poor shrinkage; the mixed polyurethane and the vinyl copolymer are crosslinked and foamed under the action of the crosslinker and the foaming agent; the process is controllable, and pores are uniformly distributed; the prepared mixed polyurethane crosslinked foam material has low density, good elasticity, good wear resistance and slip resistance, low compressive permanent deformation, good shrinkage resistance, and excellent comprehensive performance, and can effectively meet the requirements of various fields.

The invention relates to the technical field of medical instruments, in particular to a special tool for keratoprosthesis. The special tool comprises a handle and a mounting tool head; the mounting tool head comprises a first trepan disposed on the handle and used for drilling tissues in a mount. According to the special tool, the mounting tool head disposed on the handle comprises the first trepan. During usage of the special tool, a surgeon holds the handle by hand, inserts the first trepan into the mount and drills the tissues in the mount. The special tool is simple to operate, has low requirement on operational skillfulness of the surgeon and allows visualization of the tissues in the mount, advantages are made for following mounting of a cylindrical lens, the cylindrical lens is mounted accurately, and therapeutic effect is guaranteed.

The invention discloses an integrated full-automatic direct driving roller car and a control method thereof. The roller car comprises a roller car body, and the roller car body is provided with a mainshaft mechanism, a presser foot lift mechanism, a needle bar swinging mechanism, an upper rolling wheel clutch mechanism and a lower reverse sewing mechanism; an electric control box is disposed on the side face of the roller car body and internally provided with an MCU control module and a motor driving module, the main shaft mechanism is connected with a servo motor, and the MCU control modulecontrols the servo motor to run through the motor driving module; the electric control box is connected with an operation box which is internally provided with a touch screen. According to the integrated full-automatic direct driving roller car and the control method thereof, full-automatic control is achieved, and the efficiency is improved; through an integrated design of a motor, an electric control part and a machine head, the structure is simplified, and the installation difficulty is reduced; electromagnets are adopted as driving components, the roller car is compact in structure, flexible to control and low in noise; the touch screen is introduced for participating in control, and control parameters are set easily and conveniently.

The invention discloses a quick dismounting and replacing device for a belt body, and relates to the field of belt body conveying equipment. The device comprises a base, a connecting assembly, a quick dismounting mechanism, conveying mechanisms, a locking mechanism and a belt body; the conveying mechanisms are arranged at the two ends of the base correspondingly, and the belt body is installed at the edges of the two conveying mechanisms; the connecting assembly is installed on the top face of one end of the base; the quick dismounting mechanism is mounted on the top surface of the conveying mechanisms; the quick dismounting mechanism is movably connected with the connecting assembly through a guide screw; and the locking mechanism is arranged between the end, provided with the quick dismounting mechanism, of the base and the corresponding conveying mechanism. The locking mechanism is used for replacing an original manual tensioning device, and the tightness of the bottle clamping belt body is adjusted to be consistent; and the quick dismounting mechanism can prevent an elastic piece from rebounding in the belt body replacing process, it is guaranteed that the belt body is smoothly replaced, and operation is convenient.

The invention discloses small handheld intelligent detection equipment and method for a mechanical connecting hole of an airplane. The equipment comprises an outer frame structure, a camera assembly,a guide rail slide block device, an information processing display module and a leveling structure. The camera assembly is fixed to the leveling structure, the leveling structure is fixed to the guiderail slide block device, the guide rail slide block device is fixed to the outer frame structure, and the information processing display module is connected to the camera assembly. The equipment simplifies detection operations, reduces the size, is handheld conveniently, can be operated on an assembled rack and can be used for detecting the mechanical connecting holes in different airplane structural parts.

The buckle limiting structure comprises a limiting pipe body suitable for a boosting pipe of the support imbedding device to penetrate through, one axial end of the limiting pipe body is provided with an external thread, and the other axial end of the limiting pipe body is provided with a movable sleeve suitable for being connected with a fixed rotary knob in an abutting mode; the movable sleeve is of a tubular structure formed by buckling at least two buckles, and the outer end of each buckle is in flexible connection with the limiting pipe body so that the buckles can turn over relative to the limiting pipe body. The buckle limiting structure is in threaded fixation with the handle, the buckle limiting structure serves as a middle adapter of the boosting tube and the fixed knob, the movable sleeve is used for abutting against the fixed knob, and the movable sleeve can be formed by buckling a plurality of buckles and can be detached, so that threaded connection of the fixed knob and the handle can be improved into sliding connection; when the support needs to be released, only the movable sleeve needs to be detached, the releasing speed is high, and operation is convenient.