31results about How to "Unlimited usage" patented technology

The invention discloses an electric intelligent switching sliding sleeve. The electric intelligent switching sliding sleeve comprises an upper adapter connector, a hydraulic piston, a first pipe joint connector, a second pipe joint connector, a power piston, a sliding sleeve outer casing, a sliding sleeve core, a lower adapter connector and a circuit control module. The hydraulic piston is mounted on the first pipe joint connector in a sleeved mode, the lower end of the hydraulic piston, the inner wall of the upper adapter connecter and the outer wall of the first pipe joint connector form a hydraulic pressure cavity, a drainage cavity is further arranged between the upper adapter connector the first pipe joint connector, the lower end of the power piston is connected with the sliding sleeve core, and the periphery of the power piston is provided with flanges for being configured with the second pipe joint connector in a seal mode. The electric intelligent switching sliding sleeve can achieve the full drift diameter of the inner diameter of a string and the usage number of the electric switching sliding sleeve is unlimited, accordingly the staged fracturing of horizontal wells and vertical wells is not limited by the number of stages, the construction process is simple and reliable, the reciprocating dragging of the string can be avoided and the construction cost can be saved.

The invention relates to a pharmaceutical composition containing ibrutinib. The pharmaceutical composition is prepared from, by weight, 13-15 parts of ibrutinib, 30-50 parts of solvent, 20-30 parts of solubilizer, 8-12 parts of filler, 6-10 parts of disintegrant and 21-26 parts of officinal organic acid, wherein the solvent is glycerolformal, and the officinal organic acid is a mixture of oleic acid and glyceryl monooleate based on the mass ratio of (1.7-2.1):1. The pharmaceutical composition containing ibrutinib has the advantages that compared with traditional pharmaceutical compositions, the variety of the solvent in the formula is changed, glycerolformal which is high in safety performance serves as the solvent with dosage unlimited, and multiple medicines are soluble in glycerolformal; meanwhile, due to the fact that the officinal organic acid is a mixture of oleic acid and glyceryl monooleate, the pharmaceutical composition containing ibrutinib is more stable and simpler than traditional pharmaceutical compositions adopting single officinal organic acid.

The invention provides a carrot extract, which is prepared by taking carrots as raw materials, and subjecting the raw materials to dry processing, modulation treatment, solvent extraction, extracted solution concentration and other steps. The carrot extract has a liquid, paste or powder appearance. The modulation treatment method includes insolating, natural mellowing, fermentation, baking, ultraviolet treatment and ozone treatment. The carrot extract can be added as a spice or a mellowing agent into tobacco products, and can enhance the pure and mild degrees of tobacco fragrance, highlight the fresh and sweet fragrance of tobaccos, cover up offensive gas, reduce irritation and improve taste. The carrot extract can also improve the tobacco color, promote tobacco mellowing, and enhance the usability of upper tobaccos. The method involved in the invention performs modulation treatment to the carrot raw materials before extraction so as to promote the degradation conversion of saccharides, terpenoid substances like carotenoids and other fragrance precursors in carrots and the formation of fragrance, thereby significantly improving the use effects of the extract. The raw material utilization rate is high, and the process is simple. The product is free of harmful additive residue, and is safe to use.

The invention discloses a reinforced and soundproof building waterproofing agent, and a preparation method and application thereof. The reinforced and soundpoof building waterproofing agent comprisesthe following components in parts by mass: 24 to 36 parts of an acrylate polymer emulsion, 6.5 to 10.5 parts of biomass superfine fiber powder, 7 to 15 parts of a carbon material, 8 to 12 parts of a silicon-containing material, 15 to 25 parts of fluffy high-strength resin and 16.5 to 54.5 parts of a solvent. According to the application of the reinforced and soundproof building waterproofing agent, the reinforced and soundproof building waterproofing agent is arranged on concrete, wherein the contact angle between the concrete and water is 159 degrees, and noise is reduced by about 10.5 dB. The reinforced and soundproof building waterproofing agent provided by the invention adopts environmentally-friendly raw materials, especially the biomass superfine powder taken from plants, so the costis reduced, and the safety of the building waterproofing agent is further improved.

The invention relates to a method for improving hot-melt wall adhesion of traditional Chinese medicines or food raw materials during spray drying. The method comprises the following steps: adding anyone or more small molecule peptides as auxiliary materials into a to-be-dried solution with the solid content of 2-50%, uniformly stirring and dispersing, and carrying out spray drying under a stirring condition, wherein the dosage of the added auxiliary materials is 5-30% of the solid content of the to-be-dried solution. The auxiliary materials are safe, the release of main components of the medicine is not interfered, the application range is wide, the obtained product is good in solubility, and the problem of hot-melt wall adhesion in the spray drying process can be effectively solved. Theinvention also provides application of the small molecule peptide in improving hot-melt wall adhesion of traditional Chinese medicines or food raw materials during spray drying.

The invention discloses a bionic three-dimensional scaffold for promoting bone defect repair and a preparation method thereof. The scaffold is formed by compounding two units, wherein one unit is an inner-layer scaffold, is a three-dimensional porous scaffold with an inverse opal structure and is of a columnar structure, and a diameter and a height of the inner-layer scaffold can be adjusted according to a diameter and a defect part of a bone; and the other unit is an outer-layer scaffold, is an electrostatic spinning nanofiber film and wraps an outer part of the inner-layer scaffold, and a size of the film can be cut as required. The bionic three-dimensional scaffold simulates bone structure, a nanofiber multilayer structure on the outer layer simulates bone cortex, and the porous scaffold on the inner layer can allow bone marrow to pass and provide a suitable place for cell adhesion, and the bionic three-dimensional scaffold can promote bone repair and functional reconstruction. By controlling a size of the inner-layer scaffold and a size of the outer-layer film, a size of the bionic three-dimensional scaffold can be flexibly adjusted to meet needs of bone defects of different lengths.

The invention discloses a metal powder storage system and a using method thereof. According to the system, storage tanks in a discharging system is connected with inert gas, a vacuum pump and the atmosphere, micro-positive pressure environment can be ensured in the storage tank, compared with a vacuumized negative-pressure storage method, contact with air can be avoided more favorably, the systemis particularly suitable for long-term storage of metal powder such as titanium alloy, aluminum alloy and magnesium alloy which are easy to oxidize, according to the system, the plurality of storage tanks can be arranged according to actual requirements, various types of metal powder can be placed between different storage tanks, each storage tank is provided with a respective control valve so that the storage tanks can be independently controlled; and secondly, by adopting the storage tanks to store the metal powder, the metal powder of the same material can be added in batches at a time andcan be taken and used according to the quantity anytime and anywhere, so that the risk that after a vacuum fixed package is opened, redundant unused new metal powder repeatedly makes contact with theair and is polluted is avoided.

The invention provides a multi-transformer combined ultrahigh voltage generation device and relates to a high-voltage power supply device. The multi-transformer combined ultrahigh voltage generation device is composed of a relay transformer unit and a plurality of high-voltage transformer units, wherein the relay transformer unit comprises a primary side coil and a secondary side coil, and the primary side coil is arranged on an inner layer; each high-voltage transformer unit comprises a primary coil and a secondary high-voltage coil, and the secondary high-voltage coil is arranged on an outer layer; the primary coils of all the high-voltage transformer units are connected with one another to form a primary side electric circuit; the secondary high-voltage coils of all the high-voltage transformer units are overlapped with one another forwardly to be output; the secondary side coil of the relay transformer unit is connected with the plurality of high-voltage transformer units to form a primary side electric circuit. With the adoption of the multi-transformer combined ultrahigh voltage generation device, high voltage generated by the secondary high-voltage coils of the plurality of high-voltage transformers are overlapped to ultrahigh voltage to be output, so that the requirement on long-distance arc strike of a plasma device is met.

The invention discloses a secondary-stage drug release vaginal administration preparation comprising the following components: an active ingredient immediate release granule and an active ingredient sustained release granule, wherein the active ingredient immediate release granule comprises an acid source granule and an alkali source granule, and the active ingredient sustained release granule includes a wetting agent and an adhesive. The secondary-stage drug release vaginal administration preparation mainly consists of a sustained-release part and an immediate-release part, and the immediate-release part rapidly releases part of a medicine by the principle of effervescence, and can quickly act on a local lesion of vaginal inflammation, and the slow-release part allows a slow-release skeleton to absorb water to swell to form a gel by the effects of the wetting agent, then adsorbed on the mucosa of the inner wall of the vagina to slowly release the medicine so as to achieve the functionof releasing the medicine for a long time, reducing the number of times of administration, and increasing patient compliance.

The invention relates to the industrial field and discloses a large-diameter pipeline for an efficient heat exchanger. A plurality of turbulence devices are arranged inside the pipeline. The outer wall of the pipeline is provided with axial protrusions for increasing radiating area, and the protrusions can be in any shape. The pipeline is made of high thermal conductivity material, such as stainless steel and aluminum alloy. The cross section of the pipeline can be in any regular or irregular shapes, such as round, square, diamond and trapezoid, and the longitudinal section can also be in any shapes. The turbulence devices are connected with the inner wall of the pipeline and are arranged optionally. The turbulence devices are planar sheets or curved-surface sheets in any shape, and the included angle between the turbulence devices and the waterflow direction is smaller than 90 DEG. The turbulence devices occupy less than two thirds of the diametric section. The pipeline high in thermal conductivity and specific surface area quickly exchanges heat with outside to allow heat carrier in the pipeline to fully contact with the inner surface of the pipeline, so that higher heat exchange efficiency is achieved. The efficient heat exchanger is simple in structure, low in pipeline pressure loss and attractive in appearance.

An auxiliary wheel assembly mounted on a selected portion of a wheelbarrow comprising: several structural members namely a urethane receptacle barrow, a front support and dual swivel wheel assembly, a dual rear support and wheel assembly with a plurality of heavy duty wheels, and a means to connect these front and rear assemblies and barrow. The various component members are potentially made of various materials and are designed for original equipment offerings or aftermarket additions to currently produced wheel barrows.

The invention belongs to the field of medicinal chemistry, and relates to a preparation method of cephalosporins hydroxyl oxime sodium crystal with high purity and good stability. The preparation method comprises the steps that cephalosporins hydroxyl oxime acid reacts with a salt forming agent sodium acetate through an emulsion interface to form salt, and then the cephalosporins hydroxyl oxime sodium crystal is separated out by adding an anti-solvent. According to the preparation method of the cephalosporins hydroxyl oxime sodium crystal, the prepared cephalosporins hydroxyl oxime sodium crystal is high in purity and good in stability, thus the safety performance can be better, the antibacterial action function is achieved for gram-positive and gram-negative bacteria, and the cephalosporins hydroxyl oxime sodium crystal might be used for infection of respiratory tract, urinary tract, skin, soft tissue and the like.

The invention discloses a flame-retardant and acid-resistant building waterproofing agent and a preparation method thereof. The flame-retardant and acid-resistant building waterproofing agent comprises the following raw materials in parts by weight: 6-10 parts of a carbon fiber material, 6-10 parts of biomass superfine fiber powder, 4-6 parts of a stabilizer, 17-25 parts of alpha-type metal oxideor hydroxide, 12-18 parts of thermosetting resin and 31-55 parts of a solvent. According to the flame-retardant and acid-resistant building waterproofing agent, the roughness is given mainly through the carbon fiber material and the biomass superfine fiber powder, the low surface energy and the curing effect of the thermosetting resin are combined, so that the waterproofing and anti-seepage performance of a building can be guaranteed after the waterproofing agent is applied, and the toughness of the building is improved by compounding the alpha-type metal oxide or hydroxide and the stabilizer.The waterproof agent is more uniform and stable, has higher strength, and accidentally obtains very good flame-retardant and acid-corrosion-resistant effects.

An electronic device comprises at least one display screen and at least one pair of voice input and output elements; the display screen and the voice input and output elements are arranged on the surface of one side of the electronic device; the voice input and output elements are arranged at two opposite ends of the surface of the display screen respectively; the voice input and output elements are used for receiving voice signals and playing the voice signals.