56results about How to "Shorten absorption time" patented technology

The invention discloses aspirin pulsed release pellets, its preparation and a preparation method thereof. The pellets comprise blank pellets, an aspirin-containing drug layer, an isolation layer, a regulation releasing layer and a protective layer. The regulation releasing layer contains polyprotic acid and/or its salt, anionic polymer salt, a plasticizer and an antiadherent. The anionic polymer salt is prepared by the following method: dissolving an enteric material, and using alkali to neutralize to a pH value greater than the enteric material dissolution pH value 0.1-3. The protective layer contains the enteric material, the plasticizer and the antiadherent. The enteric material is any one material selected from: an enteric material dissolved at pH value of 4.5-5.5 to prepare pellets I; an enteric material dissolved at pH value of 6.0-6.5 to prepare pellets II; or an enteric material dissolved at pH value of 7.0-8.0 to prepare pellets III. According to the preparation, local drug concentration will not be high, accumulation of the drug inside the body can be reduced, patient compliance can be improved, and stability inside the body can be raised. Therefore, bioavailability and the antithrombotic effect are raised.

The invention discloses a palbociclib pharmaceutical composition, comprising palbociclib or its medicinal salt and a pharmaceutically acceptable auxiliary material, wherein the palbociclib or its medicinal salt is 50-150 Mum, and the medicinal salt includes isethionates, hydrochlorides, sulfates or benzene sulfonates.Direct mixing and capsuling process of raw and auxiliary materials is used for the pharmaceutical composition provided herein, the biological availability is high, product quality stability is good, the technical process is easy to control, inter-batch reproducibility is good, and the composition is easy to industrialize.

The invention relates to a method and a device for selectively removing hydrogen sulfide from gas by utilizing amine droplets, and provides the method for selectively removing hydrogen sulfide from gas by utilizing amine droplets. The method comprises the steps of (1) atomizing N-methyldiethanolamine solution into droplets with particle size of not larger than 50 micrometer; (2) uniformly mixing the droplets with hydrogen sulfide-containing mixed gas, and introducing into a micro-swirler; (3) allowing thorough contact and reaction between N-methyldiethanolamine droplets and hydrogen sulfide in the micro-swirler to transfer hydrogen sulfide into the droplets, and meanwhile separating the hydrogen sulfide-absorbed droplets from gas; and (4) enriching the hydrogen sulfide-absorbed droplets, recycling, regenerating, and circulating to the step (2). The invention also provides the device for selectively removing hydrogen sulfide from gas by utilizing amine droplets.

The invention discloses a process for preparing cylinder-shaped press ring type primary and secondary Zn-Ni battery, wherein the positive electrode uses NiOOH or Ni(OH)2, graphite, additive, or KOH electrolytic solution as raw material through dry mixing, moisture mixing, sheeting, breaking and screening (which are called granulation process in general) to prepare positive electrode powder, which is then compressed into ring form and loaded into the steel cylinder of the positive electrode current collecting member, while the negative electrode uses Zn, ZnO, additive, adhesive, or KOH electrolytic solution to form grease form negative electrode.

The present invention provides a fractal micro channel reactor system for enhancing CO2 absorption, and a method thereof. According to the method, a fractal micro channel reactor system is adopted, such that a CO2-containing gas material and an absorption liquid are respectively and uniformly distributed through fractal micro channels, and then are rapidly mixed and absorbed on fractal micro channel flow collection plates under the following conditions that: pressure is 0.1-8.0 MPa, a temperature is 10-100 DEG C, and a time is 0.001-100 seconds. The system comprises an upper cover plate, a lower cover plate, a mixing absorption unit and a heat exchange unit, wherein the mixing absorption unit and the heat exchange unit are arranged between the upper cover plate and the lower cover plate, are stacked layer by layer in an alteration manner, and are matched and combined. With the present invention, in situ heat exchange and absorption can be performed within a time of millisecond to microsecond, the method is a micro reaction technology capable of achieving rapid amplification, and an efficient absorption technology is provided for separation decarburization in coal chemical industry, natural gas, petrochemical industry, and other fields.

The invention discloses a method for preserving litchi chinensis bacteria by use of olive oil. According to the method, the litchi chinensis bacteria are collected, subjected to impurity removal and grading, placed on a mesh sieve after being naturally air-dried, then put in the olive oil for 10-30 s, taken out and blow-dried. The olive oil further contains 15%-20% of natural polysaccharides which are spirulina platensis polysaccharides, algal polysaccharides or porphyridium polysaccharides. Compared with the prior art, the method has the benefits as follows: the preservation cycle of the litchi chinensis bacteria is prolonged, the nutritional ingredients of the litchi chinensis bacteria are effectively kept, the cost is low, and the litchi chinensis bacteria are natural, non-toxic, edible and degradable.

The invention relates to a method for recovery treatment of sulfur-containing mixed waste gas in production of viscose fiber, belonging to the technical field of treatment of the sulfur-containing waste gas in the production of the viscose fiber. According to the method provided by the invention, the sulfur-containing mixed waste gas in the production of the viscose fiber is treated through the steps of pretreatment, absorption, synthesis and the like and converted to thiourea to achieve the purpose of reutilizing the waste gas. The invention provides a method for producing thiourea by adopting the waste gas produced in the production process of a viscose fiber enterprise, a thiourea product with relatively high market values is obtained, the waste gas of the viscose fiber enterprise is effectively controlled, waste alkali and waste acid in the production process of the viscose fiber enterprise are simultaneously effectively utilized, then the viscose fiber enterprise can obtain certain economic benefits in the control process of the waste gas, and very high market popularization values are realized.

The invention provides a freeze-dried oral preparation containing agomelatine and a preparation method thereof and belongs to the field of medicinal preparations. The freeze-dried oral preparation is prepared from agomelatine in medicine dosage and freeze-dried preparation auxiliary materials. According to the preparation method, agomelatine and the auxiliary materials are prepared into the freeze-dried oral preparation through a freeze-drying method. Agomelatine and the freeze-dried preparation auxiliary materials are dissolved in purified water and then subjected to freeze drying, and then the freeze-dried oral preparation containing agomelatine is prepared. Due to the fact that the freeze-dried oral preparation can be quickly disintegrated in the oral cavity or the stomach, the dissolving-out speed of medicine is increased, absorption before the stomach and taking without water of agomelatine are achieved through mucous membrane transfer, the disintegration and absorption time of agomelatine is shortened, and therefore bioavailability and the compliance of clinic patients are improved.

The invention discloses heavy metal graded absorption equipment for sewage treatment. The equipment comprises a primary adsorption box and a secondary adsorption box, wherein a sewage guide pipe is fixedly mounted on the outer surface of the front end of the primary adsorption box and a fixed pipe clamp and a backwashing pipe are arranged on the outer surface of the front end of the sewage guide pipe; the backwashing pipe is fixedly mounted in a position on the outer side below the fixed pipe clamp; a backwashing water inlet is formed in the outer side of one end of the backwashing pipe, and abackwashing drainage pipe is arranged on the outer side of the other end of the backwashing pipe. The heavy metal graded adsorption equipment for sewage treatment can adsorb part of heavy metals, impurities and stinks in sewage during primary adsorption, can remove heavy metals in the sewage by way of graded absorption, can adsorb solid state metals in the sewage, can recycle the adsorbed solid state metals, can adsorb heavy metal ions in the sewage quickly, and can control the absorption steps according to the content of heavy metals in the sewage.

The invention belongs to the Chinese medicine preparation technical field, in particular relating to a Yixintong oral freeze-dry disintegrating tablet and a method for preparing the same. The method adopts hawthorn leaf total flavonoids as active ingredients, prepares solution through addition of adequate filler, adhesives, correctives and water and then prepares a novel dosage form of the oral freeze-dry disintegrating tablet after freeze drying. The result of animal experiments verifies that the bioavailability is high and then the potency can be given play quickly.

The invention discloses a micro-needle mask containing active peptide. The micro-needle mask comprises a mask substrate, micro-needles and an essence layer; the microneedles are arranged on the mask substrate; the essence is arranged in the microneedles; the mask is characterized in that the microneedles are formed by processing a plurality of components, and the mask comprises the components, byweight, 60%-92% of hyaluronic acid or hyaluronate, 5%-35% of a hardening material, 1%-15% of water-soluble fatty alcohol, 0.5%-5% of active peptide, and the balance of water; the microneedles are uniformly distributed on the mask substrate, and the number of the microneedles per square centimeter is 180-250; and the lengths of the microneedles are 100-300 microns. The mask is a micro-needle mask which is simple to operate, safe, reliable, efficient in whitening, wrinkle-removing, quick to dissolve and capable of being quickly absorbed into a human body.

A cosmetic or pharmaceutical product for topical use, comprising, mixed together, the components:

• • propellant, comprising a mixture of butane, propane, isobutane,
  • hydroalcohol-based gel,
  • at least one active ingredient for topical use.

The components are dispensed on the body surface to be treated from a pressurized vessel. The propellant evaporates from liquid to gaseous as it exits from the pressurized vessel and upon contact with the body surface to be treated, forms gas bubbles in the gel. The bursting of these bubbles increases the kinetic energy of the gel with the active ingredient, consequently increasing the absorption rate in the layers of the skin.

The invention provides a preparation method of a secondary battery and the secondary battery. The preparation method comprises the following steps: putting a battery core into a battery shell, and baking; after baking is completed, injecting an electrolytic solution into the battery shell, wherein two corresponding ends of the battery shell are respectively provided with a first liquid injection port and a second liquid injection port, the first liquid injection port is connected with a first electrolytic solution storage end, the second liquid injection port is connected with the first vacuumizing end, an electrolytic solution in the first electrolytic solution storage end is pumped to the second liquid injection port from the first liquid injection port by the first vacuumizing end; andafter the liquid injection is completed, sealing the first liquid injection port and the second liquid injection port to complete the preparation of the secondary battery. Compared with the prior art,the preparation method provided by the invention has the advantages that an electrolytic solution is introduced into a battery shell in a manner of arranging liquid injection ports at two ends and pumping the electrolytic solution from the liquid injection port at one end to the liquid injection port at the other end, so that the electrolytic solution penetrates through the cross section of the whole electrode sheet in the injection process, the contact area of the electrolytic solution and the electrode sheet is increased, and the problem of electrolytic solution absorption is solved.

The invention relates to an oil-absorbing pillow bag with a buckle. The oil-absorbing pillow bag provided by the invention comprises a pillow bag, a fixed ring and a movable circular cable, wherein the pillow bag consists of a pillow bag cover and a macromolecular oil-absorbing material filled therein; the pillow bag cover is made from an oleophilic cloth material; the movable circular cable consists of a movable ring and a rope which is movably connected with the movable ring; and the pillow bag is provided with the fixed ring, the pillow bag and the movable circular cable are connected with the fixed ring and the movable ring, and the macromolecular oil-absorbing material has irregular hole cavities or cracking slots which are irregularly distributed. The oil-absorbing pillow bag provided by the invention has the fixed ring and the movable circular ring, so that the oil-absorbing pillow bag is very convenient to replace and has the advantages of high oil absorbency and fast oil-absorbing speed.