Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

82results about How to "Strong ability to form" patented technology

Medicinal in situ forming eye gel

The invention discloses a medicinal in situ forming eye gel preparation, and belongs to the field of pharmacy. Active ingredients of the preparation come from bulk medicaments of the medicament, gel base materials of the preparation mainly comprise Gellan gum which is 0.4 to 0.7 percent of the weight of a finished product. The technical proposal overcomes the defects of low bioavailability, inconvenient use, short detention time and the like of the prior eye preparation, and achieves the effects of reducing applied dosage, prolonging the detention time in the eyes, convenient use, accurate applied dosage and the like.
Owner:BEIJING HERUN INNOVATION PHARMA TECH DEV

Construction method of ultra-deep underground diaphragm wall in water-rich soft-soil area

The invention relates to the technical field of civil engineering construction, in particular to a construction method of an ultra-deep underground diaphragm wall in a water-rich soft-soil area. The construction method comprises the following steps: making an analysis and research on the stability of trench walls of the underground diaphragm wall and doing relevant preparations, preparing wall protecting slurry, building a guide wall, performing trenching construction, wall cleaning and sediment removal, manufacturing and hoisting reinforcing cages, backfilling joints between trench sections, and pouring wall concrete. According to the construction method, through a stability analysis method that introduces strength reduction, the security coefficients of stability of the trench walls are calculated based on a finite difference method; through parameter-reduction circular calculations, not only the limit stress and large deformation state of the trench walls but also the stability coefficients of the trench walls are obtained, which has practice guiding significance in construction; and the results are simple and practical and conform to the habits in the engineering field, and the stability requirements of the trench walls are effectively guaranteed, so that the engineering construction can be completed safely and fast with high quality.
Owner:CHINA RAILWAY NO 2 ENG GRP CO LTD +1

Quick flashing glass and its prepn process

The present invention discloses one kind of quick flashing glass for application in high-energy physics, nuclear physics, nuclear medicine, geophysics, industrial detection and other fields and its preparation process. The flashing glass material has silicate glass, germanate glass other heavy metal oxide as main component, and introduced high-density ZnO as luminescent center. It is prepared through three steps of preparing glass material; smelting the material; and heat treatment. Test shows that the serial glass material has the features of simple smelting process, powerful glass forming capacity, easy density regulation and high luminescent ion density. Compared with available Ce3+-doping quick flashing glass, the present invention has the features of high UV transmissibility, fast attenuation and high fluorescent strength.
Owner:EAST CHINA UNIV OF SCI & TECH

Method for enzymatical producing corn vermicelli

The invention discloses a maize noodle production method in an enzyme method, and belongs to the food biotechnology processing field. The technical proposal comprises that maize starch is added into amylase buffer solution, and the amount of the amylase is 800 to 2000 units / g starch, the oscillation treatment is adopted, after the treatment, water is added to remove the residual enzyme activity, and the water is added until the moisture content is about 55 to 70 percent, and is then placed on a conveyor belt to form a slurry layer with the thickness about 1.5 to 2.5 mm, finally the fresh maize noodle product can be obtained cooling, cutting or silk extruding packaging the steamed pasty; if the dry product is required, the drying process of the noodle is connected. The invention adopts the biotechnology, the shaping is completed by heating with one step, the operation is simple, the production cost is low, the controlling is easy, and the equipment requirement is low. Chemical additive is not used in the product, thereby being more acceptable for consumers. The produced pasty has smooth taste, soft glutinousness and good flexibility, improved boiling fastness, as well as more transparent appearance.
Owner:CHINA AGRI UNIV

Method for degrading pigment wastewater by utilizing iron-based amorphous alloy activated persulfate

InactiveCN105217773ARetain the ability to degrade wastewaterEfficient degradationIron compoundsChemical recyclingSulfate radicalsSulfate
The invention provides a method for degrading pigment wastewater by utilizing iron-based amorphous alloy activated persulfate, and relates to a method for treating wastewater. The method comprises the following steps: firstly, preparing a Fe78Si9B13 amorphous alloy powder suspension, selecting iron-based amorphous alloy as Fe78Si9B13 amorphous powder which is prepared from the ingredients in atomic percentage: 78 percent of Fe, 9 percent of Si and 13 percent of B; then, mixing the Fe78Si9B13 amorphous alloy powder suspension with a sodium persulfate solution to form a mixed solution; and finally adding the mixed solution into dyeing wastewater, and performing oxidative degradation on the dyeing wastewater by utilizing sulfate radicals generated by activation of the mixed solution. The method is simple in process and convenient to operate, and the catalyst iron-based amorphous alloy is easy to prepare and is easy to recycle and reuse.
Owner:SHENYANG UNIV

Preparation method for metal-doped modified turbine blade laser cladding surface coating layer

The invention discloses a preparation method for a metal-doped modified turbine blade laser cladding surface coating layer. The preparation method comprises the following steps of performing cleaningpretreatment on a 17-4PH stainless steel blade matrix material; doping Mo powder into 17-4PH powder, performing full and uniform mixing in a ball mill, performing heating and drying in a drying furnace, and taking the dried powder as laser cladding composite powder for standby; under the argon condition, adopting a laser cladding process to enable the laser cladding composite powder to clad on thepretreated 17-4PH stainless steel blade matrix; and performing microscopic structure analysis and performance detection on a coating layer. The coating layer is high in hardness, excellent in corrosion resistance and good in structural stability; and through metallurgical bonding with the matrix, the coating layer is reasonable in cost and can better meet the service requirements of turbine powermechanical engineering.
Owner:XIAN UNVERSITY OF ARTS & SCI

Fe-based amorphous alloy material and method of producing the same

The invention discloses a Fe-based amorphous alloy magnetic material and a preparation method thereof. The alloy material has the following chemical formula: (Fe100-aCoa)x-Dyy-Bz-Siw, wherein, x, y, z and w are atomic percent, x is more than or equal to 60 and less than or equal to 75, y is more than or equal to 5 and less than or equal to 25, z is more than or equal to 20 and less than or equal to 25, w is more than or equal to 0 and less than or equal to 10, a is more than or equal to 0 and less than or equal to 10, and x plus y plus z plus w equals 100. The manufacturing of the alloy has the following steps: the pure raw metal and FeB are mixed by the alloy formula and smelted to master alloy by magnetic suspension induction; then amorphous thin strips are manufactured by the melt-spinning method. The alloy of the invention has relatively good glass forming capacity and fine soft magnetic performance; moreover, the needed raw materials are mostly technically pure, thus reducing cost; meanwhile, the manufacturing technique is simple and can be applied to structural materials, magnetic materials and the like.
Owner:ZHEJIANG UNIV

Photoresist composition and preparation method thereof

The invention provides a photoresist composition and a preparation method thereof. The photoresist composition comprises the following components: alkali-soluble resin having polymerization activity and optical activity, a low polymer or monomer at least containing two unsaturated double bonds and having optical activity, photosensitizer, nonionic or cationic surfactant, thermal polymerization inhibitor, aids and solvent. The photoresist composition provided by the invention uses no toxic / harmful organic solvent, hardly results in organic solvent volatilization, belongs to a green environment-friendly product and can not bring about an environmental pollution problem. The photoresist composition can be uniformly deposited on the surface of a conductive base material through an electroplating deposition method; the film thickness of the photoresist is up to 10-100 micrometers, and the effective availability of the photoresist is up to 90% or above; and the photoresist composition overcomes the problems that the photoresist composition utilization ratio is low, materials are wasted seriously and volatilization of toxic / harmful organic solvent results in environmental pollution due to the use of a spin coating process in the prior art.
Owner:SHANGHAI INTEGRATED CIRCUIT RES & DEV CENT

Composition and preparation method of scintillation glass used for preparation of scintillation fiber-optic faceplate

The invention discloses a composition and preparation method of scintillation glass used for preparation of a scintillation fiber-optic faceplate. The composition comprises, by weight, 10 to 20% of SiO2, 0 to 10% of Al2O3, 20 to 45% of B2O3, 30 to 60% of La2O3, 0 to 2% of Nb2O5, 5 to 25% of Gd2O3, 0 to 4% of Lu2O3, 0 to 5% of BaO, 0 to 2% of SnO and 0 to 5% of ZnO. The invention also provides the preparation method for the scintillation glass used for preparation of the scintillation fiber-optic faceplate. The method comprises the following steps: (1) weighing the raw materials according to the above-mentioned weight percentages, mixing all the raw materials, and grinding the raw materials until the raw materials are uniform so as to obtain a batch; (2) pouring the batch into a crucible and fusing the batch so as to prepare a glass melt; (3) casting the glass melt on a preheated heat-resistant steel die, maintaining the temperature of the die in a muffle furnace and then carrying out cooling and annealing; and (4) carrying out cutting, surface grinding and polishing so as to obtain the scintillation glass. The prepared scintillation glass has the advantages of good chemical stability, high scintillation light luminescence efficiency and capacity of realizing fiber drawing.
Owner:中建材光子科技有限公司

Butyphthalide derivative as well as preparation method and application thereof

The invention discloses a butyphthalide derivative as well as a preparation method and application thereof and belongs to the fields of medicinal chemistry and pharmacotherapeutics. The invention further discloses application of the butyphthalide derivative disclosed by the invention in medicines for preventing and treating ischemic cardiovascular and cerebral vascular diseases, anti-platelet aggregation drugs, antithrombotic drugs, anti-cerebral ischemia drugs, anti-dementia drugs and anti-atherosclerosis drugs. Pharmacological experiment results show that, the butyphthalide derivative disclosed by the invention has excellent anti-platelet aggregation and antithrombotic activity, and can be clinically used for preparing medicines for preventing or treating platelet aggregation related diseases.
Owner:JIANGNAN UNIV

Titanium-based amorphous /pure titanium double-continuous phase composite material and preparation method thereof

The invention discloses a titanium-based amorphous / pure titanium double-continuous phase composite material and a preparation method thereof, and belongs to the technical field of titanium-based amorphous composite materials. The titanium-based amorphous / pure titanium double-continuous phase composite material comprises a titanium-based amorphous alloy and a three-dimensional communicated porous titanium skeleton. The three-dimensional communicated porous titanium skeleton is filled with the titanium-based amorphous alloy so that a double-continuous phase structure is formed. The preparation method comprises the following steps of 1, heating to melt the selected titanium-based amorphous alloy, and 2, filling the three-dimensional communicated porous titanium skeleton with the liquid titanium-based amorphous alloy by a percolation method and carrying out water quenching, or 3, extruding the titanium-based amorphous alloy melt into a metal mold with a titanium skeleton by an extrusion casting method so that the titanium-based amorphous / pure titanium double-continuous phase composite material is obtained. The amorphous phase and the second phase (pure titanium phase) of the composite material have uniform and continuous distribution structures in the three-dimensional space, and through collaborative deformation, the two phases are mutually reinforced so that the problem of poor titanium-based amorphous phase plasticity is solved and control of composite material microstructure uniformity is realized. The titanium-based amorphous / pure titanium double-continuous phase composite material has the characteristics of excellent mechanical properties, high specific strength, uniform and controllable microstructure and no defects.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

Culture fluid for promoting formation of tissue engineering skin lipid and formulating method thereof

The invention discloses a culture fluid that promotes the generation of a lipid structure of tissue engineered skin. A basic culture fluid is added with hydrocortisone, epidermal growth factors, isoproterenol, insulin, transferrin, triiodothyronine, adenine, vitamin C, tretinoin, cholera toxin, L-serine, L-novain, palmic acid, linoleic acid, arachidonic acid, bovine pituitary extract, bovine serum albumin, calcium chloride, penicillin, streptomycin and fungizone B, etc. Tissue engineered skin with mature and completely differentiated horny layer and good lipid structure can be obtained by cultivating keratinocyte in the culture fluid of the invention, the culture fluid has strong stability, long shelf life of about 12 months, simple and convenient preparation method, and convenient product synthesis and mass production.
Owner:CHINESE ACAD OF INSPECTION & QUARANTINE

Ready-to-use puerarin ophthalmic gel

The invention discloses a ready-to-use puerarin ophthalmic gel preparation belonging to the field of traditional Chinese medicines. The active ingredient of the preparation is puerarin, and the gel base material of the preparation mainly comprises gellan gum accounting for 0.4-0.7 percent of the total weight. The technical scheme overcomes the deficiencies that the prior puerarin ophthalmic preparation has low bioavailability, inconvenient use, short retention time, and the like and has the effects of reducing dose, prolonging the retention time in eyes, having convenient use and accurate dose, and the like.
Owner:BEIJING HERUN INNOVATION PHARMA TECH DEV

White light glass and preparation method thereof

InactiveCN101857363AHigh fluorescence intensityWide excitation and emission wavelengthsManganese oxideColor temperature
The invention relates to a white light glass and a preparation method thereof, in particular to a white light glass with tin oxide and manganese oxide as light emitting centers and a preparation method thereof. White light illumination plays an important role in daily production and living, but the existing white light illumination has low efficiency, complicated process and difficult miniaturization. Under the condition, the research on the white light glass is taken seriously because the white light glass has the advantages of simple preparation, high luminous efficiency, easy color temperature regulation and the like. Currently, the researches focus on the white light glass doped with rare earth, but rare earth light emission can generate quenching at high concentration, and the lighting peak position can shift along with the use time so as to cause color temperature change. The white light glass with the tin oxide and the manganese oxide as the light emitting centers can make up the shortcomings. The tin oxide and the manganese oxide belong to network intermediates, can be introduced at high concentration, and have higher luminous intensity and conversion efficiency. Simultaneously, the tin oxide and the manganese oxide adopt wide spectrum lighting, and the compounded white light color temperature basically does not change along with time.
Owner:EAST CHINA UNIV OF SCI & TECH

Quick flashing glass and its preparation process

The invention discloses a fast scintillation glass and a preparation method thereof which can be applied in the fields of high energy physics, nuclear physics, nuclear medicine, geophysics, industrial detection and the like. The invention is a kind of scintillation glass material with silicate glass or germanate glass and other heavy metal oxides as the main components, introducing high-concentration zinc oxide (ZnO) as the luminescence center, and its preparation method includes (a) glass batch material Preparation, (b) melting of batch materials, (c) heat treatment and other three steps. The obtained glass is subjected to surface grinding and polishing treatment for fluorescence performance test. The results show that this series of glasses has the characteristics of simple melting process, strong glass forming ability, easy density adjustment, and high concentration of luminescent center ions, which is different from the existing cerium (Ce 3+ ) compared with fast scintillation glass, it has the characteristics of good ultraviolet transmission performance, fast attenuation, and high fluorescence intensity.
Owner:EAST CHINA UNIV OF SCI & TECH

Zirconium-based amorphous alloy and preparation method thereof

The invention discloses a zirconium-based amorphous alloy. Components of the zirconium-based amorphous alloy conform to the chemical formula ZraCubNicNbdAleYf, wherein 72<=a<=80, 3<=b<=8, 6<=c<=12, 4<=d<=10, 2<=e<=10, 3<=f<=0.7, and a+b+c+d+e=100. According to the zirconium-based amorphous alloy, the maximum forming size is lager than 30 mm, the glass transformation temperature ranges from 440 DEGC to 450 DEG C, and the initial smelting temperature ranges from 800 DEG C to 850 DEG C. The zirconium-based amorphous alloy low in oxygen and hydrogen content, high in amorphous glass forming capacity, excellent in after-forming mechanical performance and good in corrosion resistance is provided. Meanwhile, a preparation method of the zirconium-based amorphous alloy is provided.
Owner:SHENZHEN GO ON MATERIAL TECH CO LTD

A method of using iron-based amorphous alloy to activate persulfate to degrade pigment wastewater

InactiveCN105217773BRetain the ability to degrade wastewaterEfficient degradationIron compoundsChemical recyclingSulfate radicalsAlloy catalyst
A method for using iron-based amorphous alloy to activate persulfate to degrade pigment wastewater, relates to a method for treating wastewater, the method first prepares Fe78Si9B13 amorphous alloy powder dispersion liquid, and selects iron-based amorphous alloy as Fe78Si9B13 amorphous Alloy powder, its composition and atomic percentage are: 78%Fe, 9%Si, 13%B; then Fe78Si9B13 amorphous alloy powder dispersion and sodium persulfate solution are mixed to form a mixed solution, and finally the above-mentioned The mixed solution utilizes sulfate radical free radicals produced by activation in the mixed solution to oxidize and degrade the dye wastewater; the invention has simple process and convenient operation, and the catalyst iron-based amorphous alloy is relatively simple to prepare and easy to recycle and reuse.
Owner:SHENYANG UNIV

Transparent Sr3Al2O6-SrAl2O4 glass ceramic and preparation method thereof

The invention discloses transparent Sr3Al2O6-SrAl2O4 glass ceramic and a preparation method thereof. The glass ceramic comprises Sr3Al2O6 and SrAl2O4. The method comprises the following steps: takingSrCO3-Al2O3 as a reaction system, obtaining a material component with high glass formation ability via exploration, and obtaining a glass precursor which is spherical transparent glass of an SrO-Al2O3system via laser heating and aerodynamic levitation; obtaining the transparent Sr3Al2O6-SrAl2O4 glass ceramic via pressure sintering and controlled crystallization, which adopts transparent glass ceramic comprising Sr3Al2O6 and SrAl2O4. The method breaks through the limitation of the traditional technology, ensures that bulk transparent glass ceramic is rapidly and effectively obtained, and provides advantageous selection for the subsequent glass crystallization or other applications.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

Ready-to-use decumbent corydalis tuber ophthalmic gel

The invention discloses a ready-to-use decumbent corydalis tuber ophthalmic gel preparation, belonging to the field of traditional Chinese medicines. The active ingredient of the preparation is from decumbent corydalis tuber which is a traditional Chinese medicine and the gel base material of the preparation mainly comprises gellan gum accounting for 0.4-0.7 percent of the total weight. The technical scheme overcomes the deficiencies that the prior decumbent corydalis tuber ophthalmic preparation has low bioavailability, inconvenient use, short retention time, and the like and has the effects of reducing dose, prolonging the retention time in eyes, having convenient use and accurate dose, and the like.
Owner:BEIJING HERUN INNOVATION PHARMA TECH DEV

Iridium amorphous alloy wire and preparation method thereof

The invention provides an iridium amorphous alloy wire. The iridium amorphous alloy wire is alloy wires prepared by iridium amorphous alloy materials and with section diameters from several microns tohundreds microns: Ira-[Tax(Nb)1-x]b-[Niy(Co)z(Fe)r(Cu)m(V)n(W)k]c-Bd, wherein a, b, c and d are all atomic percentages, a is not smaller than 20 and not bigger than 40, B is not smaller than 30 and not bigger than 40, c is not smaller than 20 and not bigger than 35, d is not smaller than 0 and not bigger than 15, a+b+c+d=100; x, y, z, r, m, n and k are atomic percentages, and are not smaller than0 and not bigger than 1, and y+z+r+m+n+k is not bigger than 1; and amorphous phases in the amorphous alloy materials are not lower than 75%. The invention further provides a preparation method of theiridium amorphous alloy materials. Through component adjustment of the iridium amorphous alloy materials, wider supercooling liquid phase areas with excellent iridium amorphous alloy forming capacityare obtained, the sizes of the iridium amorphous alloys are increased, and high-temperature crystallization is prevented, so that micron-scale or nanoscale filiform iridium amorphous alloys never manufactured by the prior art can be prepared.
Owner:INST OF PHYSICS - CHINESE ACAD OF SCI

Mobile super computer system and achieving method thereof

The invention provides a mobile super computer system and an achieving method thereof. The system comprises at least one mobile terminal and a portable router. The at least one mobile terminal can be compatible with various operation systems and is used for calculation, and the at least one mobile terminal is further provided with a message passing interface (MPI) bank compatible with various operation systems. Each of the at least one mobile terminal is connected to a portable router in a wired or wireless mode, the at least one mobile terminal which serves as a mobile host, communicates with and is connected with the portable router is used for managing and monitoring all mobile terminals. The mobile super computer system and the achieving method thereof have the advantages of being small in investment and power consumption, flexible to use, convenient to carry, high in expansibility, short in assembling cycle, and low in environment requirements. The mobile super computer system and the achieving method thereof are applicable to outdoor environment with adverse nature conditions of mountains, forests, oceans and the like, and can also play a significant role in some emergency conditions of battlefield and medical aid environments and the like.
Owner:SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI

Organic iridium metal complex as well as preparation method and application thereof

InactiveCN111777644ATransmission characteristics dropPrevents drive voltage from increasingIndium organic compoundsSolid-state devicesIridiumAryl
The invention discloses an organic iridium metal complex. The structural general formula of the organic iridium metal complex is shown in the specification, and in the formula, R1 represents a mono-,di-, tri-, tetra-, five or six substituent group; R2 represents a mono-, di-, tri-, tetra-substituent; R1, R2, R3, R4 and R5 each independently represent hydrogen, deuterium, halogen, cyano, sulfinyl,sulfonyl, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heteroaryl group. The invention provides an organic iridium metal complex with a novel structure, and the organic iridium metal complex is an organic metal compound prepared by selecting a specific heterocyclic ligand for combination and adjusting the physical properties of the compound. After being used for an organic light-emitting device, the organic iridium metal complex improves the light-emitting efficiency and prolongs the service life of the device.
Owner:奥来德(上海)光电材料科技有限公司

Fe-based bulk amorphous alloy material and method of producing the same

InactiveCN101509110AStrong glass forming abilityHigh compressive breaking strengthMill scaleOxide
The invention discloses a Fe-based bulk amorphous alloy material and a preparation method thereof. The alloy material has the following chemical formula: (Fe100-aCoa)x-Moy-Bz-Dyw; the preparation method is as follows: according to needed atomic ratio of target components, Fe, Co, Mo, B and Dy are weighed and mixed after being converted to mass percent; the raw materials are put in to a vacuum induction smelting furnace, and the furnace is vacuumized to 4.0*10 Pa; then high purity argon is introduced for protection till a sample is melted; after oxide skin is removed, the raw materials are ground to small pieces; the small pieces are put into a quartz tube and the quartz tube is vacuumized; high purity argon is introduced into an induction furnace chamber, and the alloy is heated by a high frequency induction coil and melted; the melted alloy liquid is sprayed and injected into a copper mould by the high purity argon, thus obtaining the Fe-based bulk amorphous alloy material. The alloy material of the invention has high glass forming capacity, a wide supercooling liquid phase region with DeltaTx equal to 76K to 98K, high crush resistance and breaking tenacity Sigmaf which is approximately equal to 3500 MPa and high vickers hardness Hv which is approximately equal to 1130; in addition, the cost is low. Meanwhile, the preparation method is simple and can be applied to structural materials, magnetic materials and the like.
Owner:ZHEJIANG UNIV

Iron-based amorphous soft magnetic alloy and preparation method thereof

The invention provides an iron-based amorphous soft magnetic alloy and a preparation method thereof. The iron-based amorphous soft magnetic alloy has a molecular formula of FeaSibBcCxYd. The preparation method comprises the steps of arranging raw materials; smelting the prepared raw materials in a smelting furnace, and leading a smelted melt to a heating device; connecting the heating device witha spray bag; pouring, by the heating device, the melt from a spray bag funnel onto the surface of a copper roll through the spray bag, such that the melt is rapidly cooled after being in contact withthe copper roll and a strip sample is formed to obtain the iron-based amorphous soft magnetic alloy. The iron-based amorphous soft magnetic alloy provided by the invention successfully improves the magnetic properties of the alloy under the condition of ensuring a good amorphous forming ability.
Owner:ZTT ELECTRICAL TECH CO LTD

Ready-to-use traditional Chinese medicine ophthalmic gel

The invention discloses a ready-to-use traditional Chinese medicine ophthalmic gel preparation, belonging to the field of traditional Chinese medicines. The active ingredient of the preparation is from pearls or pearl powder and borneol or natural borneol and the gel base material of the preparation mainly comprises gellan gum accounting for 0.4-0.7 percent of the total weight. The technical scheme overcomes the deficiencies that the prior pearl liquid or nacre digest ophthalmic preparation has low bioavailability, inconvenient use, short retention time, and the like and has the effects of reducing dose, prolonging the retention time in eyes, having convenient use and accurate dose, and the like.
Owner:BEIJING HERUN INNOVATION PHARMA TECH DEV

Roxatidine acetate pharmaceutical salt sustained-release pellets and preparation method and applications thereof

ActiveCN109833306ASolve the technical problem of low drug loading in the coatingHigh drug loadingAntibacterial agentsOrganic active ingredientsSustained release pelletsPlasticizer
The invention relates to roxatidine acetate pharmaceutical drug-loading salt sustained-release pellets. A coating liquid of a sustained-release layer comprises a sustained-release material, a pore-forming agent, a plasticizer and a coating solvent, wherein the coating solvent is a 70-100% ethanol aqueous solution by mass, and the sustained-release pellets have good dissolution characteristics andquality stability.
Owner:北京轩升制药有限公司

Micronized roxatidine acetate pharmaceutical salt pellets and preparation method and applications thereof

ActiveCN109833299ASolve the technical problem of low drug loading in the coatingHigh drug loadingOrganic active ingredientsDigestive systemMedicineBULK ACTIVE INGREDIENT
The invention relates to micronized roxatidine acetate pharmaceutical salt pellets. The pellets comprise a blank pellet core and a drug-loading layer, wherein the drug-loading layer contains micronized rosatidine acetate pharmaceutical salt, the rosatidine acetate pharmaceutical salt can improve the actual content of active ingredients in the drug-loading pellets after micronization treatment, thetechnical problem that the actual drug-loading amount of the drug-loading coating is relatively low, and the content stability of a final product is improved.
Owner:北京轩升制药有限公司

Manganese-based amorphous alloy and preparation method and application thereof

The invention belongs to the technical field of amorphous alloys, and provides a manganese-based amorphous alloy and a preparation method and application thereof. The chemical general formula of the manganese-based amorphous alloy is MnxSiyBz, wherein 65<=x<=84, 6<=y<=25, 5<=z<=12, and x+y+z=100. The Mn-Si-B ternary system manganese-based amorphous alloy has excellent amorphous forming ability and thermal stability, and meanwhile keeps the maximum manganese content, the characteristic contribution of the manganese element to the manganese-based amorphous alloy can be fully exerted, and a material basis is provided for further research on the microcosmic nanostructure and potential abundant characteristics of the manganese-based amorphous alloy. In addition, the manganese-based amorphous alloy further has good flowability and oxidation resistance, preparation can be achieved through a rapid quenching melt-spinning method, the production efficiency of the manganese-based amorphous alloy is greatly improved, and then large-scale application of the manganese-based amorphous alloy is promoted. The manganese-based amorphous alloy is expected to be applied into catalytic materials or magnetic materials.
Owner:GUANGDONG UNIV OF TECH

Terbium ion activated scintillation glass for producing scintillation optical fiber panels and preparation method thereof

The invention discloses terbium ion activated scintillation glass for producing scintillation optical fiber panels and a preparation method thereof. The terbium ion activated scintillation glass is prepared by mixing the raw material components, melting, casting mould, annealing and post-processing. The raw material components comprises the following components in percentage by weight: 28-40% of SiO2, 5-10% of BaF2, 25-30% of BaO, 1-2% of Al2O3, 10-20% of Gd2O3, 8-18% of Tb2O3, 0-2% of Ce2O3, 0-2% of Dy2O3 and 0-1% of Sb2O3. In the scintillation glass, Ce<3+> ions, Gd<3+> ions and Dy<3+> ions are used as sensitizing agents for transmitting the absorbed energy to Tb<3+> ions, so that the luminous intensity of the scintillation glass is improved; heavy metal oxides such as Gd2O3 and BaO and the like are added into the scintillation glass, the density of the glass can be improved. The scintillation glass has the advantages of high heat stability, excellent crystallization resistance, high scintillation light emitting efficiency and capability of being drawn into glass fiber.
Owner:JILIN NORMAL UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products