98results about How to "To achieve the purpose of quality control" patented technology

The invention discloses a quality control method of a pulse-invigorating and heart-nourishing pill. The method comprises the following steps: the contents prepared tuber fleece flower and Chinese magnolia vine fruit are identified, and the contents are tested according to the method described in the pharmacopoeia, and liquoric root in the contents is assayed. The quality of the related drugs can be guaranteed more accurately by the assay of the active component liquoric root in the pulse-invigorating and heart-nourishing pill to effectively ensure safety, uniformity, stability, effectiveness and controllability of the pulse-invigorating and heart-nourishing pill. The new quality control method is simple and convenient, gives accurate result and better reproducibility, and can achieve the purpose of quality control.

The invention discloses a PCB back drilling plate back drilling depth detecting method which comprises the steps that a back drilling layer of a back drill and three different testing holes of up-down adjacent layers are connected with shared communication holes of corresponding layers respectively in a line mode, and a line penetrates through the back drilling holes in the same layer horizontally; a drilling mouth is used for carrying out hole drilling on three testing holes of each testing strip and the shared communication holes; a pre-drilling hole is additionally drilled at a back drilling hole position of each testing strip, and the diameter of the pre-drilling hole is smaller than a back drilling hole; and when back drilling is carried out on the pre-drilling hole, whether back drilling depth meets requirements is determined by connecting-disconnecting testing. The method is simple in design and high in testing efficiency, process monitoring is convenient, equipment does not need to be added and changed, only design needs to be changed, and the purpose of quality monitoring can be achieved.

The invention discloses a separation and assay determination method for components of tetrabromobisphenol A. The method adopts a high performance liquid chromatograph, uses a chromatographic column with a filling agent of octadecyl bonded silica gel, takes a mixed eluent as a mobile phase, and detects the components in a tetrabromobisphenol A sample solution by adopting a gradient elute method. According to the separation and analysis method, the components of tetrabromobisphenol A can be quantitatively analyzed by using the chromatograph, and an aim of controlling the quality is achieved.

The invention relates to the technical field of quality control of traditional Chinese medicine, in particular to a detection method of electrochemical fingerprints of artificial bos taurus domesticusgmelin. The detection method comprises steps as follows: the artificial bos taurus domesticus gmelin is added to an oscillating reaction system at constant temperature and then is subjected to electrochemical detection in a stirring state by adopting a platinum electrode as an indicator electrode and a saturated calomel electrode as a reference electrode, an E-t curve is drawn, and the electrochemical fingerprints of the artificial bos taurus domesticus gmelin are obtained; in terms of g/mL, a massic volume ratio of the artificial bos taurus domesticus gmelin to the oscillating reaction system is (1-4):100. The electrochemical fingerprints reflected by all chemical components in the artificial bos taurus domesticus gmelin are obtained, the operating method is fast and convenient, consumable cost is relatively low, repeatability and accuracy are high, identification effect is quite good, and the method can be applied to quantitative determination; purposes of identifying the artificialbos taurus domesticus gmelin as traditional Chinese medicine, optimally selecting production places and controlling quality can be achieved, information is reliable, and the method is suitable for being widely popularized and applied to the technical field of safety detection of the artificial bos taurus domesticus gmelin.

The invention discloses a full-automatic camshaft measuring tooling. A to-be-measured camshaft (5) is clamped on a workbench rack (2) through a left tip component (6) and a right tip component (7), an axial measurement component (8) is arranged on the workbench rack (2) and used for measuring the axial dimensions of the camshaft (5), a jacking component (9) is arranged below the workbench rack (2), a measuring rod is used for measuring the axial neck size of the camshaft (5) after penetrating through the workbench rack (2); and the left tip component (6), the right tip component (7), the axial measurement component (8) and the jacking component (9) are all electrically connected with a master controlled cabinet (3). By adopting the structure, measuring points on the camshaft can be measured through a measurement mechanism, and the process is maintained at the controlled state only influenced by the random factors after the measurement information is analyzed and evaluated through SPC calculation, so as to achieve the purpose of controlling the quality.

The invention discloses a cement solidification strength ultra-early prediction method, and belongs to the foundation treatment and sludge solidification. The method comprises the following steps: determining a series of model fitting parameters unrelated to temperature and proportion by development related preliminary experiment at an investigation stage based on a strength increasing model in consideration of the cement solidification sludge under the temperature influence, and then sampling at the cement solidification sludge at the construction stage, and performing early strength acceleration testing under a predetermined high-temperature condition, and predicting the middle and late strength value under the cement solidification sludge construction environment based on the strength testing value under the early high-temperature condition. The cement solidification strength ultra-early prediction method, and belongs to the foundation treatment and sludge solidification disclosed by the invention is simple in operation and high in accuracy, the middle and late period strength prediction can be performed at the early stage of the construction, the early quality control of the cement solidification sludge filling engineering can be realized, the optimal mixing proportion at the construction field can be adjusted as early as possible under the guidance, the problem that the strength sampling inspection is substandard after the construction is finished can be effectively avoided, the curing agent cost and the later solidification cost can be obviously reduced.

The invention relates to the detection of Telmisartan, and particularly discloses a high performance liquid chromatography analysis method and a detection method for impurities in a Telmisartan medicine. The analysis method is capable of completely and separately detecting eight impurities of A, B, C, E, F, G, H, and I in the Telmisartan and the Telmisartan medicine. A Telmisartan sample is detected by using the high performance liquid chromatography analysis method, the medicine can be rapidly detected whether to contain one or more of the above eight impurities through one time of the chromatographic analysis, and the impurity content can be detected through the high performance liquid chromatography analysis, so the purpose of controlling the pharmaceutical quality is achieved. The detection method is capable of greatly shortening the analysis time, simple in operation, reliable and accurate. The previous factors, such as multiple operating steps, long analysis time, and more interference factors, are changed. The detection method is an effective method for the Telmisartan pharmaceutical research and the production process quality control.

A Chinese medicine is prepared from Radix isatidis or its extract and contains adenosine (0.075-2 mg per unit). Its quality control method features that the content of adenosine in medicine is controlled.

Disclosed is a cavity component, which comprises a cavity shuttering (1), and a base plate (2). The cavity shuttering (1) is integrated on the base plate (2), on the base plate (2), at least two cavity shutterings (1) are alternately arranged. One side face of the cavity shuttering (1) and the base plate (2) compose at least one on-site casting structure inner rib die cavity (3), while the other outer side faces compose the side die plate of on-site casting structure outer rib, beam or wall. And the base plate (2) holds at least one tendon (5), as a result, the cavity component has bigger strength, rigidity and shock resistance, the structural base plate is hard to be broken, and the floor has good crack resistance when applying the component, furthermore, the component has the characters of simple structure, easy making, low costs, etc. The invention is suitable for hollow floor, roof, soleplate, wall and empty bridge with on-site casting reinforced concrete or prestressed reinforced concrete.

The invention relates to an immunoaffinity gel detection column for visually fast detecting residual chloramphenicol in food. The chloramphenicol immunoaffinity gel detection column belongs to the field of immunology, enzymology and analytic chemistry. Cyanogen bromide-activated agarose gel is respectively coupled with a chloramphenicol antibody and a hydrogen peroxidase (HRP) antibody to prepare chloramphenicol antibody glue and HRP antibody glue; the cyanogen bromide-activated agarose gel is confined by confining liquid to prepare confining glue. The confining glue and the chloramphenicol antibody glue are mixed to prepare a detection layer, the confining glue and the HRP antibody glue are mixed to prepare a quality control layer, the quality control layer is filled in a 1ml solid phase extraction column, the working conditions of all steps in the detection process can be determined, and a novel immunoaffinity gel detection column for fast qualitatively and semi-quantitatively detecting residual chloramphenicol in food can be researched, with the detection limit of 1mug/L. When the product detects the residual chloramphenicol in food samples, no organic solvents and complicated pretreatment, as well as the assistance of large instruments are not required, the chloramphenicol immunoaffinity gel detection column has good usability and accuracy, and can meet the requirement for visual fast detection.

The invention discloses an automatic hot stretching reprocessing method of a LLDPE pipe. The method comprises the following steps: a LLDPE original pipe penetrates through an electric heating wire heating part; after the LLDPE original pipe is clamped, the LLDPE original pipe is heated through the heating of an electric heating wire and the air heat radiation; when the LLDPE pipe is gradually heated to a softening point, a slide clamping end gradually moves through an elastic element or an electromagnetic element to automatically stretch the LLDPE pipe; when the slide clamping end touches a limiting switch or a touch switch placed in a preset position, the electric heating wire heating part stops heating, so that the LLDPE pipe is stretched to a preset length; an air pump begins to work to blow cold air into the electric heating wire heating part for cooling and curing the stretched LLDPE pipe; after the curing is finished, the LLDPE pipe is taken out; and the method realizes automatic processing, is higher in effect, is convenient to control the product quality, and facilitates the technical effect of batch production.

A hollow component consists of a substrate and several hollow molded chambers on it uniformly. Two, at least, molded chambers arranged in space. One, at least, inner molding rib chamber formed by sidewall of each chamber and the substrate is cast in site. The outer molding surface of the chamber is formed to be rib, beam or wall cast in site. One chamber, at least, has some holes to be cast into supports in the chamber inside to transfer and bear load so as to improve its mechanical performance. It is available in hollow floors, roofs, foundation substrates, walls and bridge beams of concrete cast in site.

The invention discloses a method for detecting glabrous greenbrier rhizome or products thereof fumigated by sulfur, and the method comprises the following steps: step 1, preparing a sample solution a of glabrous greenbrier rhizome or products thereof fumigated by sulfur and a sample solution b of glabrous greenbrier rhizome or products thereof not fumigated by sulfur; step 2, respectively carrying out mass spectrometric data acquisition on the sample solution a and the sample solution b by an ultra-performance liquid chromatography-quadrupole-time of flight-mass spectrometry method, wherein the adopted collision voltage is 35-50V; and step 3, contrasting and determining the mass spectrometric data, namely the mass spectrometric data of symbolic vulcanized products or chips thereof, of the differential components emerging in the sample solution a relative to the sample solution b by a multivariate statistical analysis method. The method realizes quick detection of the glabrous greenbrier rhizome and products thereof fumigated by sulfur for the first time, and simultaneously has a simple sample treatment method, short analysis time, strong specificity and accurate detection results.

The invention discloses a method for detecting m-benzene dimethyl isophthalate-5-sodium sulfonate purity by liquid chromatography. The method incudes using FL2200 liquid chromatograph, an N2000 chromatographic workstation and chromatographic column Kromstar C18 in 4.6X150 mm and 5 micrometers, the volume ratio of mobile phase a and mobile phase b is 80-90 to 10-20, detection wavelength is 220 nm, flow velocity is 0.8 mL/min, sample injection volume is 20 microliters, and columnar temperature is at 30 degrees Centigrade. By the method, detection time is shorter than 10 minutes, analysis accuracy is up to 0.01 ng, reproducibility is good, relative error is 0.2%, operation is simple, analysis is fully automatic, and quality of m-benzene dimethyl isophthalate-5-sodium sulfonate is effectively controlled.

A hollow component consists of a substrate and several hollow molded chambers on it uniformly. Two, at least, molded chambers arranged in space. One, at least, inner molding rib chamber formed by sidewall of each chamber and the substrate is cast in site. The outer molding surface of the chamber is formed to be rib, beam or wall cast in site. The chamber has one chamfer, at least, at its edges to be cast in site into column or reinforcing rib to eliminate stress concentration and prevent from fractures and to bear larger concentrative load. It has some advantages such as: simple structure, high strength, easy to construct, low cost, and available in hollow floors, roofs, foundation substrates, walls and bridge beams of concrete cast in site.

A hollow component consists of a substrate and several hollow molded chambers on it uniformly. Two, at least, molded chambers arranged in space. One, at least, inner molding rib chamber formed by sidewall of each chamber and the substrate is cast in site. The outer molding surface of the chamber is formed to be rib, beam or wall cast in site. The chamber has one projecting boss to reduce concrete volume cast in site so as to reduce cost on material consumption and weight. It has some advantages such as: simple structure, high strength, easy to construct, low cost, and available in hollow floors, roofs, foundation substrates, walls and bridge beams of concrete cast in site.

The invention discloses a detection screening device and detection screening method thereof, especially a detection screening device for coil paper, which mainly comprises a first conveying unit, second conveying unit and a detection unit, wherein the first conveying unit comprises a first moving wheel set, a first power wheel, a first fixing wheel and a first conveying belt; the second conveying unit comprises a second moving wheel set, a second power wheel, a second fixing wheel and a second conveying belt. When in use, detection result of the detection unit can be used for adjusting the position between the first moving wheel set and the second moving wheel set, a qualified product unit to be detected is transmitted from the first conveying unit to the second conveying unit, and a non-qualified product unit to be detected is dropped from a gap between the first conveying unit and the second conveying unit, thereby completing detection and screening of the units to be detected.

A cavity component includes cavity die shell and base plate. It is featured as connecting said shell with base plate to form an integral unit, arranging at least two said shells on base plate alternatively, using cavity die shell side surface and base plate to form internal-rib die cavity with at least one cast-in-place structure and using the other external side surface of cavity die shell to form external-rib side template of cast-in-place structure, setting convex die block on side template of cavity die shell for decreasing use amount of concrete and projecting convex die block on opposite side template at the same opposite axle.

The hollow cavity member includes cavity shutterings and a bottom slab connected integrally. On the bottom slab, there are at least two cavity shutterings arranged intermittently. The sides of the cavity and the bottom slab constitute in-situ cast mold cavity with at least one inner rib. The other sides of the cavity shuttering constitute the in-situ cast structure outer rib or the side formwork of the beam or wall. The hollow cavity member features that at least one of the cavity shutterings has at least one reinforcing part, the cavity shuttering has notch in the contact part to the bottom slab, and the inner rib mold cavity has at least two supporting parts. The present invention is suitable for in-situ cast or pre-stressed reinforced concrete hollow floor slab, roof, wall, foundation slab and hollow bridge.