64results about How to "Concentrate" patented technology

The invention discloses a surface modified nano ferroferric oxide Fenton catalyst and a preparation method thereof. The preparation method of the surface modified nano ferroferric oxide Fenton catalyst comprises the following steps: firstly preparing high dispersibility nano ferroferric oxide by adopting a coprecipitation method, and then carrying out surface modification on the nano ferroferric oxide by adopting a hydrolysis method. Organic acid salt and a non-ionic surface active agent are added when the coprecipitation method is adopted for preparing ferroferric oxide particles, so that the quantity of inorganic matters deposited on the surfaces of the ferroferric oxide particles is low, enrichment of reaction substrate and charge transfer on the surfaces of the ferroferric oxide particles can be enhanced, good catalytic efficiency can be realized at room temperature in a larger pH range, and the surface modified nano ferroferric oxide Fenton catalyst can be used for advanced oxidation treatment of dye sewage, organic pollutant sewage, pesticide sewage and the like. Therefore, the preparation method of the surface modified nano ferroferric oxide Fenton catalyst has the characteristics of simplicity in operation, mild conditions, adaptability to large-scale preparation and the like, cost for obtaining the product is low, and the obtained product can be widely and more easily popularized.

The invention relates to a preparation method of Chinese herbal medicine preparation for treating depression and anxiety disorder, having the materials of roasted milkvetch root, Largehead Atractylodes Rhizome, Rhizoma Gastrodiae, medlar, Prepared Rehmannia Root, root of herbaceous peony, danshen root, angelica sinensis, Szechwan Lovage Rhizome, Epimedium Herb, semen zizyphi spinosae, polygalae, pachyma cocos, medicinal glue, American ginseng and Hairy Antler. The water volume of water decoction, extraction time and extraction times of the roasted milkvetch root, Largehead Atractylodes Rhizome, Rhizoma Gastrodiae, medlar, Prepared Rehmannia Root, root of herbaceous peony, danshen root, angelica sinensis, Szechwan Lovage Rhizome, Epimedium Herb, semen zizyphi spinosae, polygalae, pachyma cocos are preferred by adopting orthogonal test in the invention, which remain every component of medicinal materials having effect on the indications to the utmost extent; simultaneously the extraction of ineffective ingredient is reduced; the concentration is processed, and the active ingredient is not lost; the cost is lowered; the medicinal glue, American ginseng and Hairy Antler are ground, and the raw powder is used as medicines. The capsules prepared by the preparation method of Chinese herbal medicine preparation has the advantages of convenient administration, small administration dosage, easy discharge of the drug active ingredient, rapid absorption, increased bioavailability and fully exerted drug efficacy.

The invention discloses a refining method of tylosin. The refining method comprises the following steps: (1) dissolving coarse tylosin in an organic solvent, then adding active carbon, stirring to carry out a decoloring treatment so as to obtain a mixture; (2) filtering the mixture, namely orderly subjecting the mixture to microfiltration, ultra-filtration, and nano-filtration, then condensing the filtrate to obtain a condensed liquid; (3) spray-drying the obtained condensed liquid so as to obtain the tylosin. The provided refining method is capable of improving the purity of coarse tylosin to 99% or more by combining organic dissolution, active carbon decoloring, and multiple membrane filtration technologies. The pyrogen in tylosin is completely removed, the processed tylosin reaches the injection grade, and the yield can reach 93% to 96%. Moreover, during the refining process, no other substance is added, the probability of secondary impurity pollution is avoided, the nano-filtration can play a condensing function, the reutilization rate is high, the energy consumption during the drying process is greatly reduced, the technology is simple, the operation is convenient, and the refining method is suitable for massive industrial production.

The invention discloses a sample pad, a sample pad treatment liquid and a test strip for detecting a HIV antibody in urine. The sample pad treatment liquid comprises a buffer solution with pH of 8-11,an aqueous rheological assistant and a sealing agent. Relative to each 100mL of the buffer solution, 0.05 to 10g of the aqueous rheological assistant and 0.05 to 10g of the sealing agent are used. The sample pad treatment liquid of the test strip for detecting a HIV antibody in urine utilizes the buffer solution with the appropriate pH and the aqueous rheological assistant and the sealing agent with appropriate concentrations, eliminates the urine influence on immune gold stability and improves an immune gold dissolution release rate and a membrane surface tomographic form.

The present invention is natural active protein and peptide separating and purifying process. The natural material with rich protein is processed through defatting, cleaning, homogenizing, mixing with deionized water inside a bioreactor regulating pH to 5-8, heating to 70-90 deg.c, maintaining and stirring for 10-30 min, quick cooling to 30-50 deg.c and mixing with composite proteinase for enzymolysis to obtain mixture of protein and peptide. Through processing with polyethersulfone superlow protein adsorbing membrane via OMEGA technological process treatment and tangent flow superfiltering to grade according to molecular weight, purifying with ion exchange chromatographic mode, etc. natural active protein and peptide products with different molecular and different molecular structure and obtained.

The invention provides a method for synchronously detecting a latent symptom virus, a mottle virus and a cucumber mosaic virus of lily by immunocapture triple RT-PCR (reverse transcription-polymerase chain reaction). The method comprises the following steps: specifically capturing LSV, LMoV and CMV particles by polyclonal antibodies of LSV, LMoV and CMV in the same PCR reaction tube; and carrying out triple RT-PCR and agarose gel electrophoresis detection on a target segment by the specific primers of the LSV, the LMoV and the CMV. According to the method, by combination of ELISA and RT-PCR, existing immunocapture triple RT-PCR is improved; and synchronous detection of three lily viruses LSV, LMoV and CMV by immunocapture triple RT-PCR is achieved, so that the immunocapture RT-PCR technology is perfected.

The embodiment of the invention provides a user view attribute modifying method and device. The user view attribute modifying method comprises the following steps: a manager monitors operation of a user on a user view in real time; if an attribute modifying instruction used for modifying the attribute of the user view is received, modification data for the user to modify the attribute of the user view is determined according to the attribute modifying instruction; the modification data is called back, data of the user view and a data model is simultaneously updated according to the modification data. The user view is only directly related to the manager but not directly related to the data model, and the user does not need to modify the data of the user view after successful modification of the data of the data model, so that the waiting time of the user is shortened; meanwhile, the user view and the data model are separated, so that time and effort for communication of all development personnel are reduced, all the development personnel can focus on development, and accordingly, the development attentiveness and the development efficiency of the development personnel are improved.

The invention discloses a gold-magnetic immunochromatographic test strip for rapid quantitative detection of lean meat powder (clenbuterol hydrochloride and ractopamine) in pork. The test strip comprises a base plate, a sample pad, a conjugate release pad, a porous filter membrane and an absorption pad, wherein the sample pad, the conjugate release pad, the porous filter membrane and the absorption pad adhere to the base plate and are connected in sequence. The porous filter membrane is coated with a detection line T1 for a clenbuterol hydrochloride-BSA coupled antigen, a detection line T2 for a ractopamine-BSA coupled antigen and a quality control line C coated with a goat-anti-mouse secondary antibody in sequence, and a monoclonal antibody, marked with gold-magnetic nanoparticles, for clenbuterol hydrochloride and ractopamine is embedded in the sample pad. The test strip combines the advantages of color development and bio-affinity of a colloidal gold test strip, and the advantages of nano-magnetic beads that separation is easy and quantitative detection can be achieved; by means of the prepared test strip, qualitative detection can be conducted through visual inspection, and quantitative detection can also be conducted through magnetic measurement.

The invention relates to a traditional Chinese medicine for treating senile dementia. The traditional Chinese medicine is prepared from the following medicines in parts by weight: 10-20 parts of peach kernel, 10-15 parts of rheum officinale, 8-12 parts of cassia twig, 5-8 parts of keel, 5-10 parts of oyster, 6-9 parts of cinnabar root poria, 8-12 parts of polygala tenuifolia, 10-15 parts of centipede, 6-9 parts of rattletop, 3-5 parts of agilawood, 6-10 parts of bighead atractylodes rhizome and 5-10 parts of liquorice. According to the theory of traditional Chinese medicine, the agent prepared by combining the medicines has the effects of gradually eliminating frozen synapse and restoring consciousness and resuscitation. The traditional Chinese medicine has an excellent curative effect of treating senile dementia.

The invention belongs to the technical field of barley malt syrups, and particularly relates to a gradient preparation method of ultrahigh barley malt syrup. The method includes the steps: placing starch into ethanol water solution, performing ultrasonic stirring and hermetically pressurized reaction, and rapidly releasing pressure and then filtering mixture to obtain refined starch solution afterstanding and reacting; adding pullulanase and beta-amylase and pullulanase and maltase into citric acid-sodium citrate buffer solution to obtain first enzymolysis liquid and second enzymolysis liquid, adding the first enzymolysis liquid and the second enzymolysis liquid into a double-layer reaction kettle, slowly adding the refined starch solution, performing microwave reaction and stirring and heating reaction, mixing mixture after reaction, and performing standing and reacting to obtain enzymatic liquid; performing heating, enzyme deactivation and pressure reducing distillation on the enzymatic liquid, and filtering mixture by a micro-porous film to obtain the ultrahigh barley malt syrup. The method solves the problems that an existing process is high in production cost and easily pollutes environment, the method is simple and easy in process, good in stability and suitable for industrial production, and waste gas and waste water are omitted.

The invention belongs to the field of foods and provides a beverage containing a eucommia bark leaf extract. The beverage contains a eucommia bark leaf extract and a food additive, the powder particles of the eucommia bark leaf extract are between 30 meshes and 50 meshes, and the content (HPLC) of the eucommia bark leaf extract is greater than 30%. The invention also provides a preparation method of the beverage containing the eucommia bark leaf extract, comprising a step of preparing the eucommia bark leaf extract, a step of carrying out spray drying on the eucommia bark leaf extract, a step of preparing a solution and a step of curing, adding a food additive, carrying out secondary curing homogenizing and boiling so as to obtain the beverage containing the eucommia bark leaf extract. In the invention, deep processing is carried out on eucommia bark leaves, the eucommia bark leaf extract is prepared into powder by spray drying, the edible beverage is prepared by the deep processing, the eating mouth feel and the drinking quality are improved, and people can obtain the medicinal value of the beverage through drinking. The method of the eucommia bark leaves of the beverage is raised and exerted, and the exertion of the eucommia bark leaves is refined.

The invention provides a burdock tea beverage and a production method thereof. The burdock tea beverage comprises the following raw materials by mass percentage: 1-3% of burdock powder, 0.1-0.3% of jasmine tea, 1-3% of white sugar, 26-29% of food additive and the balance of water. The burdock tea beverage is simple in process and good in taste, and is a multifunctional health care beverage; nutrients in the burdock are utilized completely.

The invention discloses a tray for operating room nursing. The tray comprises a movable box base, wherein a fixed box is arranged on the back side of the upper end of the movable box base; the surfaceof the fixed box is provided with a plurality of sliding chutes; the sliding chutes are vertical to the fixed box at equal intervals; sliding seats are arranged in the sliding chutes; limiting sliding chutes are formed in the sliding seats; threaded rods are arranged in the limiting sliding chutes; threaded slide blocks are arranged in the limiting sliding chutes; the lower ends of the threaded rods are connected with a driving device; the driving device comprises a servo motor; the threaded slide blocks are connected with sliding plates attached to the surfaces of the sliding chutes; the sliding plates are connected with movable frames; the movable frames are connected with tray frames; trays are arranged in the tray frames; rollers are arranged at the lower end of the movable box base;the rollers are arranged in a driving box. The tray for operating room nursing can realize automatic movement and automatic lifting work of the trays, can provide surgical instruments for medical staff in sequence, is convenient to operate, and has the advantage of automatic medical treatment.

The invention discloses a bird flu virus detection reagent kit which comprises a bird flu virus cyst membrane antigen, a nanogold-labeled rabbit anti-chicken IgY antibody detection probe, and a dot immunogold concentrated diafiltration device. The concentrated diafiltration device is composed of a small plastic box, a nitrocellulose membrane where the bird flu virus cyst membrane antigen is added dropwise, and a water-absorbing pad. The water-absorbing pad is placed in a groove of the small plastic box, and the nitrocellulose membrane is placed between the water-absorbing pad and a kit cover. On the basis that a bird flu virus cyst membrane has the antigen characteristic, the nitrocellulose membrane of the bird flu virus cyst membrane antigen is prepared, then a nanogold-labeled rabbit anti-chicken IgY antibody serves as the detection probe, the dot immunogold concentrated diafiltration method is used for detection, detection speed is high, sensitivity is high, and the whole detection reagent kit is easy to prepare and low in cost.

The invention provides a cast iron artistic manhole cover production process. The cast iron artistic manhole cover production process comprises the steps of S1, machining panel dies through a customized decorative pattern machine tool; S2, manufacturing cast iron manhole cover blanks, conducting treatment, grinding and repairing on the blanks, conducting degreasing on the blanks, removing releaseagents and conducting quenching; S3, spraying metal and non-metal accelerants and conducting drying; S4, spraying primer, conducting high-temperature drying, spraying epoxy middle coating, conductinghigh-temperature drying, spraying epoxy metal top-coat and conducting high-temperature drying; S5, conducting epoxy resin coloring on the surfaces of the blanks, spraying surface sealing agents and conducting high-temperature drying; and S6, conducting cooling, checking, packaging and warehousing. Through the cast iron artistic manhole cover production process, the surface pattern layer of each manhole cover is not easy to peel off. The image and the integrated environment grade of a project are improved aesthetically from the landscape.