310results about How to "Easy to stay" patented technology

A detachable cap for measuring usage of an inhaler includes a hollow receiving portion adapted to removably receive the inhaler. A vent is formed in a roof portion of the cap to allow airflow through the cap to the inhaler. An extension portion is provided for containing electronic components, including an electronic circuit provided in the extension portion, the electronic circuit including a controller coupled to a storage device and a power source. A pressure sensor is provided adjacent to the vent, the pressure sensor communicatively coupled to the controller and adapted to detect an air pressure within the cap. The controller is programmed to calculate an air flow rate through the cap based on the detected air pressure and to store the calculated air flow rate in the storage device.

The invention discloses a medical dressing with a cooling function and a wound healing promoting function, which at least comprises a perforated non-woven fabric layer, a nanometer fiber layer with a gradient structure, a hydrogel layer and a supporting layer. The preparation method of the medical dressing includes steps of covering hydrogel onto the supporting layer; covering the nanometer fiberlayer with the gradient structure on the hydrogel; and finally reinforcing the perforated non-woven fabric layer on the surface of the nanometer fiber layer so as to obtain the medical dressing. The nanometer fiber layer has the gradient structure, and facilitates absorption and retention of liquid of wound, and medicine can reach the surface of the wound after being released, so that wound healing is promoted; the perforated non-woven fabric layer has a physical isolating effect, avoids outside bacteria, can absorb effusion of the wound, can be easily removed from the surface of the wound and is not adhered with the wound; and the hydrogel layer can realize temperature regulation and reduces the temperature of the wound. The medical dressing comprehensively utilizes a medicine loading performance of nanometer fibers and capillary mobility of liquid, and promotes wound healing while cooling.

An apparatus is provided for assisting a user in loading and unloading storage bins and goods to and from the back of a vehicle. The apparatus includes two chain drive supports that are elliptical in shape and positioned vertically and parallel to each other. Two chain drives rotate around sprocket guides attached to the two chain drive supports. Multiple bin carriers are attached on two sides to the two chain drives, and each bin carrier is capable of receiving a storage bin. A support stand that supports the chain drive supports attaches to the vehicle floor via floor mounts. A motor is attached to the support stand and drives a plurality of parallel chain drives, which in turn drive the two chain drives in unison to cause the bin carriers to rotate around each other in an ellipsis.

The invention discloses an Evans blue complex as well as a preparation method and application thereof. The Evans blue complex structurally contains macrocylic polymine chelation groups NOTA. A marker complex is obtained after marking by using radionuclides (Fluorine-18, copper-64, gallium-68 and the like). The marker complex is prepared by using a wet process or a lyophilisation method. The invention further relates an application of the complex as a developer in organs or tissues of human or animals, and especially a blood pool developer. The Evans blue complex has the advantages of low cost and higher target-to-nontarget ratio, and is simple to prepare.

A liquid storage container includes a liquid storage body storing ink supplied to a printer consuming the ink. The liquids storage body includes an ink chamber which can store the ink, a filler port through which ink can be poured into the ink chamber, a lead-out port which leads out the ink stored in the ink chamber to the printer side, and a lead-out channel which connects a channel opening formed in the ink chamber and the lead-out port.

A retractable tow rope apparatus according to the present invention includes a hollow spool mounted for rotational movement inside a casing. A retraction spring is positioned inside the spool and is coupled to the spool and to the casing for selectively moving the spool therein. One end of the spool includes a flange defining a plurality of grooves. A spool brake is mounted to the casing for selective engagement with a respective groove, whereby to selectively stop the spool from paying out or retracting the tow rope. A retractable handle is mounted to the casing and coupled to the spool, enabling a user to manually turn the spool. The casing includes a handle for carrying the device. A bracket may be attached to the casing for releasably mounting the device to a boat.

An imaging optical system has, in order from the object side to the image side thereof, a front lens group, an aperture stop, and a rear lens group. A lens located closest to object side in said front lens group always remains fixed in position, with satisfaction of the following conditions (1) and (2):

1.15≦fb/IHω≦1.7   (1)

−4.0≦fn/f≦−1.3   (2)

where f is a focal length of the whole imaging optical system, fn is a focal length of a first negative lens in said front lens group, fb is a back focus of the imaging optical system upon focusing on an object point at infinity, and IHω is a distance from an optical axis of a position where a chief ray from a maximum incident half angle of view (ω) upon focusing on an object point at infinity is imaged at the imaging plane.

The invention discloses a multi-stimuli responsive shell crosslinked polymeric micelle and a preparation method thereof. The polymeric micelle is prepared by: carrying out ATRP and click chemistry reaction to synthesize an amphiphilic diblock polymer with polydimethylaminoethyl methacrylate (PDMAEMA) as the hydrophilic chain and polymethacrylate ferrocenyl formyloxy ethyl ester (PMAFFEE) as the hydrophobic chain, subjecting the polymer to self-assembly in water to form core-shell micelles with uniform size, and then carrying out cross-linking reaction on the micelles and N, N'-di(bromoacetyl)cystamine. The core-shell crosslinked polymeric micelle provided by the invention is responsive to temperature, pH, light, oxidation and reduction stimuli, drugs can be released under single triggering of different stimuli in a controlled release process, and also can achieve controlled release through joint triggering of multiple stimuli. Therefore, the multi-stimuli responsive shell crosslinked polymeric micelle has broad application prospect in controlled release of anti-cancer drugs and other fields.

The invention relates to an expansion and solidification type plugging agent which comprises the following components in parts by weight: 0.5-2 parts of a calcium sulphoaluminate expanding agent, 1-4 parts of polypropylene fibers, 0.1-1 part of a water adsorption expansion type polymer, 1-5 parts of super absorbent resin SAP, 2-6 parts of puffed starch, 2-6 parts of salt-resistant clay, 20-40 parts of calcium carbonate and 0.1-0.5 part of high viscosity polyanionic cellulose PAC-HV. The preparation method comprises the following steps: sequentially adding the components in parts by weight to a kneading machine by a conventional preparation method under normal temperature and pressure; uniformly mixing and stirring; and crushing to a particle product with the grain size of 0.01-0.5mm till being dried. The plugging agent provided by the invention has the characteristics of high expansion rate, viscous flow capacity, plugging capacity, strong salt-resistance, flowability, pumpability, good coagulability, simple process, safe and quick construction, long coagulability, wide source of raw materials, high plugging success rate and the like, and is widely applied to plugging processes of large pore paths, subterranean rivers and great Karst cave leakage strata in petroleum and geological drilling.

An adjustable Bluetooth wireless earphone primarily comprises an earphone body pin-connecting with a link-part at the front upper portion thereof so that the earphone can be rotated in all direction using the link-part as an axis and the link-part connects with a plug-set. The plug-set can co-move with the link-part. When the plug-set plugged the ear of the user, using the feature that the earphone body can be rotated in all direction, so the earphone body can be pressed close to the cheek portion of the user to form an angle between the earphone body and the plug-set, such that the plugged plug-set may stay more tightly on the ear of the user and not drop off easily.

The invention discloses a method for solving a water lock effect. By adopting the method, functional powder is added to a duct for producing a water lock, so as to remove the water lock. The functional powder is mixed powder formed by amphiphilic powder or super-hydrophilic powder and hydrophobic powder; the grain density of the functional powder is greater than 1 g/cm<3>; the mean grain size of the functional powder is smaller than 100 microns. The method disclosed by the invention is simple and feasible, convenient to operate, wide in material source, and low in cost. Meanwhile, the liquid-phase interfacial tension can be reduced by the functional powder in the using process of the method disclosed by the invention; the functional powder is in a small-granule solid state, so that the functional powder is easily left in a small hole or a gap in the rock surface, and has strong durability on inhibition of a damage of the water lock. In addition, compared with an acidification method, the flow-back effect of the method is greatly improved, so that the water lock effect can be better solved; the productivity of an oil well is greatly also improved.

The invention belongs to the field of leak stopping of using a drilling fluid, and discloses a shearing responding gel plugging agent, which comprises a polymer composite monomer, a solid organic macromolecular crosslinking agent, a first initiator, a rheological regulating agent, and a flexibilizer. The invention also discloses a preparation method of the gel plugging agent. The preparation method comprises following steps: (I) adding the polymer composite monomer and the solid organic macromolecular crosslinking agent into clean water, and stirring to obtain a mixed solution (a); (II) addingthe rheological regulating agent into the mixed solution (a), and stirring to obtain a mixed solution (b); (III) adding the flexibilizer into the mixed solution (b), and stirring to obtain a mixed solution (c); (IV) adding the first initiator into the mixed solution (c), and stirring to obtain a mixed solution (d); and (V) sealing the mixed solution (d), and allowing the mixed solution (d) to stand still to carry out curing and gelling to obtain the shearing responding gel plugging agent. The gel plugging agent has the characteristics of proper shearing responding property, anti-diluting performance, and gelling strength, and has weak gravity settling phenomenon.

The invention relates to a beauty mask. Essence of the beauty mask is prepared from four components, namely a phase A, a phase B, a phase C and a phase D, in weight ratio of 90:3:6:1, wherein the phase A comprises 1 part of astragalus polysaccharide, 0.5 part of glabridin-soybean phospholipid liposome and 98.5 parts of purified water; the phase B comprises 75 parts of lavender essential oil, 10 parts of rose essential oil, 10 parts of tea tree essential oil, 1 part of cinnamic acid, 2 parts of sorbic acid and 2 parts of phenoxyethanol; the phase C comprises 70 parts of hyaluronic acid and 30 parts of trehalose; and the phase D comprises 80 parts of hydroxyethyl cellulose and 20 parts of sodium alginate. The beauty mask has the advantages that raw materials are green and safe and moisturizing, skin whitening and pore fining effects are definite after the beauty mask is used for a long time.

The invention relates to a method for forming the internal threads of a composite material, which comprises: circumferentially winding a nonwoven fabric impregnated with resin on the surface of a threaded part of a mandrel; spreading a resin substrate mixed with inorganic material crystal whiskers on the circumferentially wound nonwoven fabric layer, wherein the height of the resin is no lower than the top of the teeth of the threads of a mold; circumferentially paving a reinforcing unidirectional fiber fabric on the surface of the mandrel, wherein the fiber direction of the reinforcing unidirectional fiber fabric is consistent with that with the mandrel and the thickness of the reinforcing unidirectional fiber fabric is no greater than one third of the height of the teeth; winding reinforcing circumferentially wound fibers on the surface of the unidirectional fiber fabric, wherein the belt width is no greater than the thread pitch of the threads; spirally winding tube body fibers to a required thickness; and performing curing and demolding. In the structure, a method combining the reinforcing fiber unidirectional fiber fabric and circumferential winding to form the internal threads of a composite material tube and the reasonable distribution of the reinforcing fibers on the thread tooth part in a load bearing direction reinforces the resin substrate, so the internal thread part has a strength high enough for threaded connection.

The invention discloses an essence microcapsule capable of being used for heating a nonflammable cigarette and a preparation method of the essence microcapsule. The essence microcapsule is prepared from the following ingredients in parts by mass: 30 to 65 parts of microcapsule wall materials, 1 to 5 parts of emulsifiers, 20 to 50 parts of atomizing agents and 15 to 40 parts of essence. The essencemicrocapsule capable of being used for heating the nonflammable cigarette and the preparation method of the essence microcapsule, disclosed by the invention, has the beneficial effects that chitosanand sodium alginate are simultaneously used as a capsule wall; good wrapping performance is realized; the retention of tobacco essence and the atomizing agents in production of a microcapsule core material can be facilitated; and the volatilization loss of the essence and the atomizing agents in a production process is reduced.

The invention discloses a reverse bending type glass hot-bending furnace which comprises a preheating box and a hot-bending furnace. A hot-bending mold is arranged on a support block; a fixed heatingwire plate is arranged above the hot-bending mold; local telescopic heating devices are symmetrically arranged on inner side walls, close to the fixed heating wire plate, of a hearth; each local telescopic heating device comprises a screw rod; a driven bevel gear is connected with a worm wheel through a connecting rod; the worm wheel is movably arranged on a worm; one side, far away from a rotaryrod, of the worm is connected with the screw rods through connecting blocks; the screw rods penetrate through an operation plate; and a movable heating wire plate is arranged on an extending rod. According to the reverse bending type glass hot-bending furnace provided by the invention, through the built-in preheating box, glass can be fully preheated before hot-bending, so that the hidden danger that the glass is ruptured due to shock heating in the hot-bending chamber is eliminated; and multiple local telescopic heating devices are arranged in the hot-bending furnace, so that the deep-bendinghot-bending glass is promoted to be fit to the mold under the traceless state, and the hot-bending accuracy is improved.

The invention discloses a tumor-targeting GRP analogue and application thereof. The GRP analogue is selected from any of linear polypeptide Gln-5-Htp-beta-Ala-Nva-Gly-His-NH2, annular polypeptide Lys-Cys-Gln-5-Htp-beta-Ala-Nva-Gly-His-CysHis-Gly-Nva-beta-Ala-5-Htp-Gln-NH2 and the like. High-affinity polypeptides can be specifically combined with various tumor cells, and this high-affinity characteristic can be used for optical imaging and nuclear medicine imaging of malignant tumor. The high-affinity polypeptides when being coupled with fluorescent dye can serve as a tumor specific-targeting molecular probe, the tumor-targeting GRP analogue is expected to realize effect of accurately positioning tumor boundary, can bring about instantaneity for preoperative and intraoperative image navigation and has the advantage of improving operative accuracy.

The invention provides chitosan-modified methazolamide solid lipid nanoparticles and a preparation method thereof. The chitosan-modified methazolamide solid lipid nanoparticles can be used as eye drops. The preparation method is suitable for industrial production. The chitosan-modified methazolamide solid lipid nanoparticles are characterized in that based on 30ml of a nanoparticle-containing solution, the chitosan-modified methazolamide solid lipid nanoparticles comprise 5mg of methazolamide, 25 to 150mg of at least one lipid material, 25 to 150mg of phospholipid, 5 to 100mg of chitosan, 50 to 250mg of at least one non-phospholipid surfactant and 50 to 250mg of at least one assistant surfactant. The chitosan-modified methazolamide solid lipid nanoparticles have small particle sizes and high drug entrapment efficiency. Compared with solid lipid nanoparticles which are not modified by chitosan, the chitosan-modified methazolamide solid lipid nanoparticles have higher stability and better corneal permeability because of positive charges on the surfaces of the chitosan-modified methazolamide solid lipid nanoparticles so that drug bioavailability is improved. Therefore, the chitosan-modified methazolamide solid lipid nanoparticles have a large clinical application potential in glaucoma treatment.

The invention discloses a method for improving the charge-discharge cycling capacity of molybdenum disulfide by doping graphene and titanium dioxide. According to a molybdenum disulfide/titanium dioxide/graphene composite, graphene is adopted as a conductive modified phase, and titanium dioxide is adopted as a support and collaborative phase, so that the charge-discharge cycling performance of the composite is enhanced. Sodium molybdate, thiourea, graphite oxide, titanium tetraisopropoxide, absolute ethyl alcohol, acetic acid, polyvinylpyrrolidone and deionized water are selected, and after electrostatic spinning and a hydrothermal reaction, the molybdenum disulfide/titanium dioxide/graphene composite is obtained through vacuum drying. The production process is simple, cost is low, and the prepared molybdenum disulfide/titanium dioxide/graphene composite has excellent electrochemical performance.

The invention discloses a skeleton of a high-temperature superconducting resistance type current limiter, which comprises a plurality of supporting insulating upright posts arranged in parallel with each other and provided with spacing, a plurality of strip fixing members with the same number and the same spacing are distributed along the length direction on each supporting insulating upright post, and the distance between adjacent strip fixing members on the same supporting insulating upright post is longer than the width of the superconducting tape; The left chassis and the right chassis areused for fixing both ends of the supporting insulating upright posts; The invention also discloses a winding method of a superconducting tape of a high-temperature superconducting resistance type current limiter and a high-temperature superconducting resistance type current limiter. The invention realizes the winding of the strip material by arranging upright posts on two chassis of the frame, The superconducting tape is tightly wound on the skeleton, and the chassis barrier is subtracted between each turn of the superconducting tape, and the superconducting tape is wound on the vertical column skeleton in multiple turns to form an organic whole, which provides more space and paths for the bubble dissipation caused by the quenching, optimizes the problem of bubble retention, and simplifies the overall structure.

The invention relates to silicone oil free and sulfate free shampoo with high conditioning performance. The shampoo is characterized by being prepared from the following raw material components in percentage by mass: 20-40 percent of cationic amino acid type surfactant, 10-30 percent of amphoteric surfactant, 0.2-0.5 percent of cationic conditioner, 0.7-1.5 percent of silicone oil substituting composition, 0.5-1 percent of humectant, 1.5-5 percent of thickener, 0.01-0.1 percent of a chelating agent, 0.06-0.08 percent of preservative, 0.5-1 percent of essence, 0.1-0.5 percent of pH regulator and the balance of water, totally 100 percent. The shampoo has a safe and mild cleaning formula by selecting the amino acid surfactant; PCA glyceryl oleate and crambe abyssinica seed oil are adopted assilicone oil substituting composition, so that hair is easy to care, smooth, soft and luster, the problem that hair cared by silicone oil free shampoo is dry, tangle and difficult to care can be solved, and the scalp problem caused by silicone oil accumulation can be avoided.

The kneading disc segment according to the present invention comprises plural disc sets each comprising two kneading discs and mounted on a kneading screw (3) which is for kneading a material while feeding the material to a downstream side. Disc sets each comprising a first kneading disc positioned on an upstream side and a second kneading disc, the second kneading disc being mounted continuously with and downstream of the first kneading disc so as to have a phase difference δ of an acute angle relative to the first kneading disc, are disposed continuously in the axial direction of the kneading screw. The first kneading discs in two continuous disc sets have a phase difference of 180°. With this construction, it is possible to attain a higher degree of kneading than in the conventional neutral kneading disc segment.