106results about How to "Easy quality control" patented technology

The invention discloses a near infrared quality control analysis method of tobacco. The method comprises the following steps of: collecting representative tobacco samples and grinding into powder; opening a tobacco sample acquisition instrument and preheating; setting parameters of the instrument; scanning the representative tobacco samples one by one; selecting an unknown sample, grinding into powder and forming a scanner spectrogram; opening a chemometric module of an analysis system, selecting an algorithm, preprocessing spectral data and establishing a correction model: setting a wavelength range of between 700 and 1,100nm, standardizing a spectrum value and chemical value, saving the established model and starting to correct the model; and predicting the sample and starting to calculate after selecting the unknown sample so as to obtain a quantitative and qualitative sample analysis result. Through the method and the system, the quality parameter of the tobacco can be quickly measured, and the quality of the tobacco can be quickly measured, controlled and analyzed on site. The method and the system are also suitable for quality monitoring of medicaments, milk, milk powder and the like, raw material comparison, analysis of product consistency and the like.

Disclosed is a phenol aralkyl epoxy resin having a structure wherein at least a phenol or a naphthol is bound by using an aralkyl group as a linking group and a structure represented by formula (1) below, while satisfying the condition 1 below. This epoxy resin is excellent in workability during production of a composition and is easy to control quality. Condition 1: The following relation (α) is satisfied with A being the hydroxyl equivalent (as measured in accordance with JIS K 0070) of a phenol-modified epoxy resin obtained by adding an equivalent molar amount of phenol relative to the epoxy equivalent of the epoxy resin, and B being the epoxy equivalent of the epoxy resin. 50≦1000×(A−B)/B≦250 (α)

The invention discloses a polypeptide fragment for preparing DC (Dendritic Cell) vaccine and the DC vaccine. The polypeptide fragment is selected from at least one of amino acid sequences as shown inSEQ ID NO. 1 to SEQ ID NO. 6. The DC vaccine contains polypeptide fragment loaded DC. Specifically, the DC vaccine is prepared from the polypeptide fragment loaded DC, human serum albumin and normal saline, wherein the mass concentration of the human serum albumin in the normal saline is 5 to 20 percent, and the density of the polypeptide fragment loaded DC is (0.5-2)*10<6> per mL. According to the polypeptide fragment for preparing the DC vaccine and the DC vaccine, disclosed by the invention, human mammaglobin is selected as an attack target spot, an effective DC polypeptide vaccine preparedfrom the polypeptide fragment obtained through computer design and experimental screening can be used for treating patients suffering from HER2 (Human Epidermal Growth Factor Receptor-2) positive/negative breast cancer, and preventing recurrence and metastasis. The DC vaccine is capable of reducing the production cost while increasing the vaccine safety.

Disclosed is an aluminium/resin composite which: exhibits extremely high interfacial adhesion strength and air tightness between an integrally-bonded, shaped aluminium article made from an aluminium alloy, and a molded resin article; retains the excellent adhesion strength and air tightness of the aluminium/resin bond surface in harsh environments such as those caused by temperature, humidity, dust, and corrosive materials; and is corrosion resistant, heat resistant, weather resistant, durable, and exhibits excellent peel strength on the aluminium/resin interfacial surface. Also disclosed is a manufacturing method for the aluminium/resin composite. The aluminium/resin composite contains a shaped aluminium article having undulations on the surface, and a molded resin article which is bonded to the shaped aluminium article when the resin is butted thereto. A plurality of concave sections are formed due to the undulations, and an aluminium coating film is formed on the outermost surface of the undulations. Fitting sections are formed on the molded resin article where the resin enters the concave sections and hardens. The components of the aluminium/resin composite which exhibits excellent weather resistance are engaged by the concave sections and the fitting sections.

The invention discloses a basement exterior wall single-side formwork supporting system and method and relates to the technical field of building construction. The basement exterior wall single-side formwork supporting system and method are disclosed to solve the problems that a traditional basement exterior wall single-side formwork supporting system is low in supporting efficiency and the supporting quality is hard to guarantee. According to the formwork supporting system, a reinforcing rod, a batten, a formwork and a fender post are fixedly connected in sequence along a basement exterior wall from inside to outside through split bolts, and inclined struts are arranged between the side, away from the batten, of the reinforcing rod and a foundation slab. The formwork supporting method comprises the steps that firstly, a waterproof steel plate is arranged; secondly, the reinforcing rod, the batten and the formwork are fixedly connected to form the formwork supporting system through the split bolts, the lower end of the formwork supporting system is fixedly connected with steel plates pre-buried in the foundation slab, the upper end of the formwork supporting system is fixedly connected with a concrete beam through angle steel and anchor bars, and the inclined struts are installed; and thirdly, joints and the formwork supporting system are fixedly connected through waterproof split bolts.

Provided is a laminated iron core for a rotor, in which a permanent magnet holding portion for fixing a permanent magnet on the radially outer side is fixed in shape and can hold the permanent magnet precisely thereon and which is prevented from having such an uneven thickness thereof as might otherwise be caused by a bulge in the thickness direction at an iron core member folding time. Adjoining segment iron core members (12) are equipped at their confronting end faces with permanent magnet holding protrusions (15, 16) having connecting portions (11) at their centers. Permanent magnet holding protrusions (24) of the upper and lower segment iron core members (12) overlapping the permanent magnet holding protrusions (15, 16) to have the connecting portions (11) formed therein are equipped with housings (33), in which the bulging portions formed in the thickness direction at the time of folding the connecting portions (11) are fitted.

The invention discloses a stem cell exosome composition for treating knee osteoarthritis. The main component of the composition is exosome derived from stem cells, the exosome is combined hyaluronic acid or PRP to treat knee osteoarthritis, and the composition is more stable and can effectively treat knee osteoarthritis.

The invention provides a gB subunit recombinant protein of a porcine pseudorabies virus, and a preparation method and application of the gB subunit recombinant protein. The preparation method comprises the following steps of 1) cloning an optimized gB gene sequence into an eukaryotic expression vector to obtain a recombinant plasmid containing a gB subunit protein coding gene of the pseudorabies virus; 2) transfecting the recombinant plasmid containing the gB subunit protein coding gene of the pseudorabies virus into an expression cell; 3) culturing, screening and domesticating the expressioncell in the step 2) to obtain a highly expressed cell strain; and 4) fermenting and culturing the cell strain in the step 3), and performing purification to obtain the gB subunit protein of the pseudorabies virus. The invention provides the gB subunit protein of the porcine pseudorabies virus, and the gB subunit protein can be industrially produced in a large scale; the preparation method is simple; the cost is low; and the yield is much higher than that of an existing baculovirus expression system.

The invention discloses vegetable tortoise jelly as well as a preparation method thereof. The vegetable tortoise jelly is prepared from the following raw materials: tortoise jelly powder, onion, tomatoes, carrots, cucumbers, fragrant-flowered garlic, lilies, lotus roots, agaric, pawpaw, mushrooms, corns, a corrigent, a stabilizer, citric acid and water. The preparation method comprises the following steps: (1) selecting the raw materials, and cleaning and drying the raw materials; (2) preparing vegetable mixed powder; (3) preparing initial jelly; (4) sterilizing at high temperature, packaging, and cooling to obtain a tortoise jelly product. The vegetable tortoise jelly disclosed by the invention has the characteristics of being short in preparation period, higher in product stability and easy in quality control. Vegetables are added into the tortoise jelly, so that the taste of the tortoise jelly is improved, bitter taste of conventional tortoise jelly is improved, and the nutritional value of the product is increased.

The invention provides a modified nanogold-based hydrogen peroxide and peroxidase detection method. The method comprises the following steps: 1, modifying: adding a p-mercaptophenol or p-aminothiophenol solution into a nanogold solution to modify the nanogold, mixing uniformly, coating with a tin foil, and placing in a dark place to obtain modified nanogold particle sol; 2, establishing a standard curve; 3, detecting a to-be-detected sample: taking an actual hydrogen peroxide sample or a peroxidase-containing sample as a detected object and the modified nanogold particle sol as a detecting object, detecting the optical density of the modified nanogold particle sol containing the actual hydrogen peroxide sample or containing the actual peroxidase sample, and comparing the ratio of the optical density with the standard curve to obtain the concentration or the enzyme activity concentration of the actual hydrogen peroxide sample or the actual peroxidase-containing sample. The method is capable of performing supersensitive detection on the hydrogen peroxide and peroxidase, is low in cost and has the advantage of high detection flux.

A Chinese medicine in the form of particle, capsule, tablet, or injection for treating chronic hepatitis, hepatofibrosis and early-phase hepatocirrhosis is prepared from white peony root and astragalus root. Its preparing process is also disclosed.

The invention discloses a preparation method and application of a tumor tissue complete antigen. The method comprises the following steps: (1) placing the lobulated fresh bioptic tumor tissue into water steam to inactivate the protease in the cytoplasm for 10-30min to obtain the tumor tissue which inactivates the protease in the cytoplasm; (2) homogenizing the tumor tissue obtained in the step (1) to obtain chyliform liquid; and (3) mixing the chyliform liquid and normal saline to obtain the tumor tissue complete antigen. The invention also discloses a method for obtaining tumor vaccines by using the tumor tissue complete antigen to pulse the dendritic cell.

The invention discloses a production process of a carbon fiber product, comprising the steps of: a. hot pressing and compounding carbon fiber cloth and a thermoplastic material to obtain a composite plate; b. performing molding processing on the composite plate to obtain a molded part, and the carbon fiber cloth Located on the inner side of the molded part; c, impregnating the resin on the carbon fiber cloth on the inner side of the molded part; d, curing the resin to obtain a carbon fiber product. The purpose of the present invention is to provide a production process of carbon fiber products to achieve the purpose of simplifying the production process of carbon fiber products, eliminating the harm to the environment and human body during the production process, and realizing mass production.

The invention discloses a bispecific antibody against EGFR protein and MET protein. The glycosylation modification makes the bispecific antibody contain a core fucose glycoform ratio of not more than4.5% to increase ADCC activity; and by modifying an amino acid sequence of a Fc segment, the ADCC activity of the bispecific antibody is enhanced, or the affinity for FcRn is enhanced to extend the half-life. The bispecific antibody prepared by the invention has simple preparation, stable structure and better tumor inhibition effect, and has a good market prospect.

The invention discloses a tumor stem cell vaccine as well as a preparation method and application thereof. A breast cancer stem cell vaccine provided by the invention comprises inactivated breast cancer stem cells, mannatide and fat emulsion which are mixed according to the volume ratio of 3:1:1. The preparation method of the breast cancer stem cell vaccine comprises the following steps: obtaining breast cancer stem cells; inactivating the breast cancer stem cells; freeze-thawing the inactivated breast cancer stem cells into normal saline, and mixing the inactivated breast cancer stem cells with adjuvant mannatide and the fat emulsion, so as to obtain the breast cancer stem cell vaccine. The invention further provides the application of the breast cancer stem cell vaccine, prepared according to the preparation method provided by the invention, in preparing medicines for treating breast cancer. The invention provides a novel way for the treatment of breast cancer and the preparation of the vaccine, an active curative effect on a breast cancer patient is achieved, the immune function of the patient is enhanced, the lifetime of the patient is prolonged, and the active effect is achieved.