829results about How to "Uniform delivery" patented technology

A handpiece has a handpiece assembly and includes a handpiece housing. An insert is detachably coupled to the handpiece housing. The insert includes an RF electrode with a conductive portion and a dielectric.

A medical device useful for localized delivery of radiation in vivo is provided. The medical device includes a structure including a porous material; and a plurality of discrete particles including a water-insoluble radioactive salt dispersed throughout a substantial portion of the porous material. The water-insoluble radioactive salt is formed by contacting an aqueous radioactive salt solution with a heavy metal water-soluble salt dispersed throughout a substantial portion of the porous material. The heavy metal water-soluble salt can be dispersed in the porous material so that the device can be sterilized and the radioactive material can be loaded in the device in situ, for example, just prior to implantation.

In order to deliver information from an information transmission terminal to multiple user terminals in a specific area regardless of a type of an access network, a system includes managing location information of areas that the plurality of user terminals are located in association with multiple URIs; sending, in response to a first inquiry, the plurality of URIs associated with the plurality of user terminals in the specific area, the first inquiry being created based on the location information of the specific area entered from the information transmission terminal; managing the plurality of URIs of the user terminals in association with multiple IP addresses; and sending, in response to a second inquiry from the information transmission terminal, the plurality of IP addresses associated with the plurality of user terminals in the specific area, the second inquiry being created based on the URIs sent in response.

The invention provides a liner and a liquid heating container. The liner comprises a body, a heat conduction plate and a heating part, wherein the body comprises a barrel body and a barrel bottom connected with the bottom of the barrel body; the heat conduction plate fits to the outer wall face of the barrel bottom, and the heat conduction coefficient of the heat conduction plate is greater than that of the barrel bottom; the heating part is ring-shaped and fits to the lower surface of the heat conduction plate, and the projection of the heating part is positioned in the heat conduction plate;the thickness of the heat conduction plate is greater than or equal to 2mm; and/or, a spacing between the outer periphery of the contact part of the heating part and the heat conduction plate and theouter periphery of the heat conduction plate is greater than or equal to 3mm. For the liner provided by the invention, by increasing the spacing between the outer periphery of the contact part of theheating part and the heat conduction plate and the outer periphery of the heat conduction plate, heat generated by the heating part becomes bidirectional heat conduction from unidirectional heat conduction, so that the local thermal power density is greatly reduced, and the noises caused by heating water are reduced; and/or, the heat conduction plate is thickened, so that the local thermal shockis prevented, heat is uniformly transmitted as far as possible, and further, the noises caused by heating water are reduced.

The present invention relates to a cigarette filter comprising natural herb plant material and a cigarette with it. According to the present invention, the filter is filled with the natural herb plant cut at a certain size. The herb plant is used as a form of a reconstituted tobacco sheet, a form of being cut after drying, and granule form. The cigarette filter according to the present invention can allow smokers to enjoy natural herb flavor, as well as an aromatherapy effect upon smoking and substantially reduce oral odor and cigarette odor emanated from a mouth of a smoker by neutralizing odor unique to the cigarette.

An distributor arrangement introduces spent FCC catalyst more uniformly across the dense bed of the regenerator to provide more even contact with regeneration gas in order to avoid hot spots and zones of incomplete combustion. The invention forms a fluidized hopper to collect spent catalyst and a horizontally extended header with multiple horizontally extended outlet arms to place catalyst into the regenerator. The invention may use an aeration means to fluidize the header to further assist catalyst flow. Furthermore, the spent catalyst delivered to the top of the regenerator dense reduces NO_x emissions in the flue gas.

Disclosed is a fuel cell stack comprising fuel cell units and first and second separators which are alternately stacked with each other. Wedge members are integrally inserted, over the plurality of fuel cell units, into communication holes of a fuel gas supply passage, an oxygen-containing gas supply passage, and a cooling water supply passage, as well as a fuel gas discharge passage, an oxygen-containing gas discharge passage, and a cooling water discharge passage. A fluid is uniformly delivered to each of the fuel cell units by the aid of the wedge members. Accordingly, the fluid of any one of a fuel gas, an oxygen-containing gas, and a cooling medium is uniformly delivered to each of the fuel cell units. Further, it is possible to simplify the arrangement of the fuel cell stack.

The combined grouting construction process of reinforcing foundation includes the following steps: drilling grouting hole; establishing hole top grouting apparatus; high pressure rotary spraying clear water to expand hole; high pressure rotary spraying mortar and static pressure grouting. The present invention combines static pressure grouting technology and high pressure rotary spraying grouting technology with different advantages, so as to reach maximum application range, optimized reinforcing effect, and successive and safe reinforcement.

The invention discloses a preparation method of polyacrylonitrile/graphene composite-based carbon fiber, which comprises the following steps: firstly preparing a polyacrylonitrile mixed solution uniformly dispersed with graphene through an in-situ polymerization method, and then employing the mixed solution as a spinning solution and obtaining a polyacrylonitrile/graphene composite protofilament by a wet spinning or dry-jet wet spinning process, and finally making the protofilament subject to a pre-oxidation treatment and a carbonization treatment to obtain the polyacrylonitrile/graphene composite-based carbon fiber. Compared with the existing polyacrylonitrile-based carbon fiber, the carbon fiber prepared by the method of the invention has a significantly increased mechanical property, and the carbonation yield in the preparation process is improved, therefore, the preparation method is an efficient and reliable preparation method with good application prospects.

A rapidly disintegrating tablet for oral administration of acid-labile active ingredients is described. The rapidly disintegrating tablet for oral administration of an acid-labile active ingredient comprises a plurality of individual active ingredient units together with pharmaceutical excipients, where the acid-labile active ingredient is present in the individual active ingredient units in a matrix composed of a mixture comprising at least one solid paraffin and one or more substances from the group of fatty alcohol, triglyceride and fatty acid ester, and where excipients which, on oral intake of the tablet, bring about rapid disintegration of the tablet are present.

The present invention relates to the field of pharmaceutical technology and describes a novel advantageous preparation for an active ingredient. The novel preparation is suitable for producing a large number of pharmaceutical dosage forms. In the new preparation an active ingredient is present essentially uniformly dispersed in an excipient matrix composed of one or more excipients selected from the group of fatty alcohol, triglyceride, partial glyceride and fatty acid ester.

The invention relates to a filling method and system of coal mine goaf. The filling system comprises a filling bin, a feeder, a weighing hopper, a stirrer, a slurry machine, a filling pump, a delivering pipeline, a working face pipe and a tee pipe, wherein the filling bin is respectively connected with the inlet of the stirrer through the feeder and the weighing hopper; and the outlet of the stirrer is connected to a filling point through the slurry machine, the filling pump, the delivering pipeline and a tee valve. The filling method comprises the steps that barren rocks with granularity of less than 25mm, a cementing agent, pulverized fuel ash and water are delivered to the weighing hopper through the feeder for weighing; the barren rocks, the cementing agent and the pulverized fuel ash are mixed in a mass ratio of 1:(0.22-0.80):(0.35-0.57), and are added with water to produce slurry in a mass concentration of between 70 and 83 percent through the stirrer; and the slurry is delivered to the filling point for filling through the slurry machine, the filling pump, the delivering pipeline, the working face pipe and the tee valve. According to the filling method and system, the sources of filling materials can be enlarged, the filling substance strength and durability can be increased, the filling material can be delivered to the filling point and uniformly filled by delivering and filling in a slurry state, and the filling effect can be improved.

The invention discloses a test piece of a concrete direct tensile test, a test piece forming die and integrated equipment. According to the invention, the test piece of the concrete direct tensile test, the test piece forming die of the concrete direct tensile test and the integrated equipment of the concrete direct tensile test are provided; the test piece of the concrete direct tensile test is a square-cross section equal thickness dumbbell-type tension test piece; the test piece forming die of the concrete direct tensile test comprises a side mold framework and a base plate, the side mold framework is formed by performing butt joint on two linked side plates; and the integrated equipment of the concrete direct tensile test comprises a loading framework, a loading mechanism, a test piece tensioning clamper, a test piece deformation test clamp and a data acquisition system. The Test piece of concrete direct tensile test, the test piece forming die and the integrated equipment have the advantages of reasonable design, simple structure, environmental protection, high efficiency and accurate testing.

The invention discloses a wafer bonding clamping device which comprises a loading platform (110), a clamping mechanism (120), a pressing head (130) and a pressing plate (140). The pressing point of the pressing head (130) in the pressing plate (140) is arranged in an area other than the pressing plate (140) corresponding to a substrate. The pressing plate (140) and the loading platform (110) are made of the same material. The pressing plate (140) is compatible with substrates of all sizes. The invention further discloses an aligning machine and a bonding machine, wherein the aligning machine and the bonding machine use the wafer bonding clamping device. According to the invention, ineffective pressing surfaces can be reduced or eliminated, which facilitates temperature control; the production efficiency is improved; the wafer bonding clamping device has the advantages of uniform pressing performance and improves yield, and is compatible with wafers of all sizes and specifications. The invention further discloses a warping substrate adsorption method, so as to realize the adsorption of a warping substrate.

The invention discloses a densification method of a porous workpiece. The method comprises the following steps: placing the porous workpiece in a jacket, and performing seal welding on a joint between the jacket and an end cover; performing leak detection for the jacket; after the tightness of the jacket is ensured, filling glass powder in the jacket, and shaking to be solid; vacuumizing the jacket and performing seal welding on a suction pipe to obtain a compact; performing hot isostatic pressing treatment on the compact; and after a hot isostatic pressing hearth is cooled, taking out the compact, and removing the glass and the jacket from the surface of the workpiece to obtain a dense workpiece. The method with a metal jacket and glass powder as force transfer media, can be used for processing any porous workpieces with complicated shapes and relative density being less than 90%, and is particularly suitable for densifying sintering pieces and castings such as SLS/SLM and the like.

A transverse conveying auger includes a tubular body and spiral-shaped flutes provided around the body. The flutes extend from the respective outer ends of the body to the center of the body. At the center of the tubular body, a center end disk is provided, to which the respective flutes are connected.

The invention discloses a connection structure of an end part of a cantilever which is made of carbon-fiber composite materials. The connection structure is formed by successive adhesion of metal materials and carbon-fiber materials, wherein a metal internal layer (1) is the inner part, a metal outside plate (3) is the outer part, and a carbon-fiber enhanced layer (2) is arranged between the inner part and the outer part; the metal internal layer (1) and the metal outside plate (3) are connected by welding, and form a sandwich structure; the metal inner layer comprises a long metal tube, two short metal tubes and a frame; one end of the frame is provided with a square component, and the other end of the frame is provided with an U-shaped connector; arc-shaped strengthening lining boards are arranged between the square component and the U-shaped connector; and the U-shaped connector is provided with two pairs of hinge holes, wherein one pair of hinge holes is penetrated by the long metal tube which is connected with the U-shaped connector, and the other pair of hinge holes is penetrated by the two short metal tubes respectively, and the two short metal tubes are connected with the two sides of the U-shaped connector respectively. The connection structure is capable of increasing connection strength and wear resistance of the cantilever end provided with hinges, and enabling that alternating load transmitted from the two pairs of hinge holes can be transmitted evenly and smoothly to the cantilever made of carbon-fiber composite materials.