43 results about "Mass composition" patented technology

The invention relates to a road surface structure of a road project. The mass composition of the invention is that: 0-20 parts of polyurethane,0-20 parts of alkyd, 0-20 parts of methyl-methacrylate resin, 20-50 parts of substrate pitch,10-20 parts of compatiblizing agent, 2-5 parts of rheological agent, 1-5 parts of ultraviolet aging resisting agent, 10-30 parts of curing agent, 10-20 parts of gravel and 50-200 parts of colorful wear-resistant rubble. The invention is characterized by simple formula, easy manufacture, strong adhesive capacity, good antiskid capacity, and good low-temperature property and does not crack in cold areas of the northern. The structure can be applied to laying the surface of the tunnel (especially the tunnel surface 200-300m away from the entrance and exit of the tunnel), bridge, airport pavement, bending section of the senior road and the repair of the used cement concrete pavement.

The invention relates to a levetiracetam slow release pellet capsule preparation and a preparation method thereof. The levetiracetam slow release pellet capsule preparation comprises the following components in percentage by mass: 50-70 percent of levetiracetam, 15-30 percent of blank pellet, 5-10 percent of hydroxypropylmethyl cellulose or polyvidone, 7-15 percent of ethylcellulose or acrylic resin, 1-8 percent of talc powder and 0.5-2 percent of cataloid. The preparation method comprises the following steps: coating levetiracetam fine powder on the blank pellet by a binding agent to be madeinto a medicine-contained pellet; coating an isolating layer on the medicine-contained pellet; coating a slow release coating film on the medicine-contained pellet coated with the isolating layer to prepare a slow release pellet; and mixing the slow release pellet, the talc powder and the cataloid and filling the mixture into a capsule. The levetiracetam is made into the slow release capsule preparation by a pellet and slow release technology, and the slow release preparation can stabilize blood medicine concentration, reduce the generating frequency and degree of the side effect and fundamentally solve the problems of great influence on a tablet by gastric pyloric sphincter and big differences of gastric emptying individuals.

The invention discloses a modified starch/lactic acid oligomer reactive blending total biolysis plastic. The modified starch/lactic acid oligomer reactive blending total biolysis plastic comprises plastic master batch that is used as raw material and an accessory ingredient. Mass composition of the plastic master batch: 2-50 portions of modified starch and 2-70 portions of lactic acid oligomer. The lactic acid oligomer that is synthesized by a one-step method is selected to go through continuous coextrusion together with the modified starch that has low cost by a solid phase condensation method, then auxiliary homotaxial or double-axis is provided for strengthening thermal stretch, thus obtaining the total biolysis plastic that has performance characteristics of being hard and tenacious and low price. The production cost, tensile strength, elongation at break and Young modulus of the total biolysis plastic are better than the existing relevant total biolysis plastic. The total biolysis plastic prepared by the invention can be applied in developing green consumables of high-tech electronic products, disposable packing materials, hotel articles, agricultural mulching film and so on, thus realizing greening of high-tech industries, releasing white pollution and saving deficient petroleum resource.

The present invention relates to a method for adjusting and/or controlling the exhaust gas recirculation of internal combustion engine through adjusting the composition of residual gas. The engine comprises at least one cylinder, an intake manifold, and an exhaust gas system with exhaust gas recirculation. The method comprises determining and/or detecting the mass of fuel required in the filling process of each cylinder and the mass of air-gas mixture. According to the invention, the residual gas mass composition (r-FracBrntIntk) in the intake manifold is adjusted and/or controlled with a mode that a required preset and/or presettable residual gas mass flow (r_end) is obtained in each cylinder. In the adjustment and/or control, the injection fuel mass (m_FuInj) which is determined and/or detected in each cylinder before the combustion process is considered. The method of the invention can realize utilization which is more effective than recirculation exhaust and more sufficiently combustion.

The invention relates to a nitrogen-doped carbon nano-tube/LiFePO4 composite nano-sized conducting material and the preparation method which comprises the following steps: A) the mass composition of the nitrogen-doped carbon nano-tube/LiFePO4 composite nano-sized conducting material is as follows: a1CNx:b1LiFePO4, wherein the value of a1 is in the range of 0.01-0.20, and the value of b1 is in the range of 0.80-0.99; and B) the preparation method comprises the following steps: mixing lithium sources, iron sources and phosphor sources at the raw material ratio of Li:a2Fe:b2P, wherein a2 is in the range of 0.93-1.03, and b2 is in the range of 0.93-1.03, stirring in the distilled water, then, oven-drying under the protection of inert gases, calcining at 550 DEG C to 950 DEG C in the atmosphere of Ar or N2 while introducing organic amine, allowing reaction for 0.5 to 12 hours to obtain the final nitrogen-doped carbon nanotube/LiFePO4 composite nano-sized conducting material. The nitrogen-doped carbon nano-tube/LiFePO4 composite nano-sized conducting material has the advantages of low cost, good electrical conductivity and high stability of high-current charge/discharge performance.

A multifunctional particle analysis device includes a particle measuring device and a particle composition analysis device. Calibration particles for which at least the number, size, and composition thereof are known are input to the particle measuring device and the particle composition analysis device and analyzed. The sensitivity of the particle measuring device is calibrated in accordance with the number and size of the calibration particles as measured by the particle measuring device, and the sensitivity of the particle composition analysis device is calibrated in accordance with the mass composition of the calibration particles as measured by the particle composition analysis device. Moreover, the irradiation axis of particles that enter the particle composition analysis device relative to a capturing unit is calibrated in accordance with a state in which the calibration particles are captured on the capturing unit of the particle composition analysis device.

A pranoprofen in-situ gelling eye drop is disclosed. The pranoprofen in-situ gelling eye drop comprises the components by mass percent: 0.1% of pranoprofen, 1%-40% of thickening agent, 0.03%-1.0% of pH adjusting agent, 0.01%-0.03% of bacteria inhibitor, 0.005%-0.2% of antioxidant, 0.01%-0.05% of chelating agent, and 0.1%-4.0% of solubilizing agent. The pranoprofen in-situ gelling eye drop disclosed by the invention has the characteristics that a material (e.g., poloxamer 407 and sodium alginate) with good biocompatibility and having the feature of temperature sensitivity, pH sensitivity or ion sensitivity is used as a matrix, the eye drop is administered in vitro under a solution state, phase change occurs immediately at the administered site in vivo in accordance with different environments inside and outside human body, so as to form in-situ gel; and the eye drop is convenient to use, high in bioavailability and long in residence time and results in good compliance of patients. The invention further discloses a preparation method of the pranoprofen in-situ gelling eye drop.

This invention relates to a high dielectric constant stress control material characterizing that its mass composition includes: raw rubber: 100, stearic acid: 0.5-1.2, nm-ZnO: 5-10, TiO2: 6-10, olefin oil: 15-25, carbon black: 20-30, coupler: 2-3, sulfur: 2-3, dioxide DIPB: 3-4, accelerant TMTD: 2-3, and mixing and injection molding technics are applied to process it, which is advantaged that it can be prepared to a resistance-capacitance stress tube to control the stress of the cut place of shield of the cable to alter the potential distribution of the cable insulation surface so as to uniform the electric field and the break through phenomenon will not happen since field strength of this place is uniformly distributed.

The invention discloses an insulating full inorganic binder for metal soft magnetic powder core and belongs to the technical field of magnetic material preparation. The insulating full inorganic binder is composed of borate, silicates, aluminosilicates and quartz; the mass compositions are: 48 to 70% borate, 5 to 8 wt% silicate, 20 to 40wt% aluminosilicates, 2 to 8 wt% quartz powder, wherein the borate is anhydrous sodium tetraborate powder; the silicate is sodium silicate powder; the aluminosilicates are two or more selected from talc, kaolin, albite, mica and potassium feldspar. The heat resistance temperature of the insulating full inorganic binder of the invention reaches 1000 DEG C; the invention can significantly improve the mechanical strength of the magnetic powder core, and the prepared magnetic powder core has comprehensive excellent magnetic properties and mechanical properties. The present invention is particularly suitable for iron-based magnetic powder cores and can significantly improve its high frequency performance and quality factors.

The invention discloses a natural polymer adsorbent beta-CD (cyclodextrin) immobilized starch (CS-beta CD). The adsorbent is characterized in that the starch comprises raw materials in parts by mass as follows: 100 parts of native starch, 234 parts of beta-CD, 400 parts of distilled water, 20 parts of citric acid and 5 parts of sodium hypophosphite. The invention also provides a preparation methodof the starch. The method adopts the raw material mass composition of the beta-CD immobilized starch and comprises the following process steps: (1) a suspension is prepared from 100 parts of corn starch, 234 parts of beta-CD and 400 parts of the distilled water, transferred into a three-neck flask and then heated and gelatinized for 30 min in a water bath at 85 DEG C; then 20 parts of the distilled water, 20 parts of citric acid and 5 parts of sodium hypophosphite are added, and the substances are stirred uniformly; the obtained mixture is transferred into a drying oven at 120 DEG C and subjected to a reaction for 2 h; (2) after the reaction, a product is taken out, crushed, washed three times with 40% ethanol and dried centrifugally, and the sample beta-CD immobilized starch, namely, CS-beta CD is obtained.

The invention discloses a natural polymer adsorbent, namely, a gamma-CD (cyclodextrin) immobilized starch adsorbent. The adsorbent is characterized in that starch comprises raw materials by mass as follows: 100 parts of corn starch, 1000 parts of aqueous NaCl solution (wNaCl%=2.5), 15 parts of gamma-CD and 10 parts of ECH. The invention also provides a preparation method of the starch adsorbent. The method adopts the raw material mass composition of the gamma-CD immobilized starch and comprises the following process steps: (1) a starch suspension is prepared from the corn starch and the aqueous NaCl solution in parts and transferred into a three-neck flask, and pH is regulated by a 30% NaOH solution to be 10; then ECH in parts is added (dropwise three times in a reaction process), a refluxcondensation device is connected, and a continuous reaction is performed at 50 DEG C for 6 h; (2) after the reaction, a product is cooled to room temperature, pH is regulated by a 3N hydrochloric acid solution to be 6.5-7, the product is precipitated with absolute ethyl alcohol, and a crude product is obtained by centrifugal separation; the crude product is washed centrifugally three times with 65/35 ethanol water, dried in vacuum at 50 DEG C, ground and crushed, and gamma-CD immobilized starch, namely, CS-gamma CD is obtained.

The present invention mainly provides a stewed foie gras stewed with spicy mustard and its preparation method, which is composed of the following ingredients and quality: Formula 1: mustard 20-40g, dried pepper 20-40g, rock sugar 20-40g, grass fruit 6-10g , pepper 15‑25g, cinnamon 6‑10g, bay leaves 6‑10g, sesame paste 20‑40g, Luo Han Guo 1‑3, cumin 4‑6g, licorice 6‑10g, ginger 15‑25g, rock sugar 30‑50g, Rice wine 20‑40 grams. Recipe 2: Star anise 6-10g, tomato 100-200g, salt 10-20g, clove 1-3g, angelica dahurica 2-6g, oil consumption 10-20mL, dark soy sauce 30-50mL, cooking wine 40-60mL. The invention also provides a preparation method of spicy mustard stewed foie gras. The invention has the advantages that: the marinated material prepared by the stewed formula has a special taste, is sweet and not greasy, smells good, tastes delicious, and has both a spicy taste and a unique choking taste of mustard.

The invention relates to strontium ranelate orally disintegrating tablets and a preparation method of the tablets. The strontium ranelate orally disintegrating tablets are characterized in that the strontium ranelate orally disintegrating tablets are prepared from the following components by mass: 1-2 parts of strontium ranelate, 0.5-2 parts of filler, 0.1-0.5 parts of disintegrant, 0.02-0.2 parts of corrective, and 0.02-0.2 parts of lubricant. The preparation method comprises the following steps: sieving strontium ranelate, filler, corrective and lubricant, and mixing in a mixing machine; and selecting a proper mold, and tableting with a tableting machine to obtain strontium ranelate orally disintegrating tablets. Compared with the existing preparation, the strontium ranelate orally disintegrating tablets prepared using the method of the invention is more suitable for patients to take, increases the compliance of patients, and has the adavntages of rapid absorption, high bioavailability and the like in addition to convenience in administration. Therefore, the development of this project can obtain wide social and economic benefits.