15 results about "Micro capillary" patented technology

A method for forming a monolith of carbon molecular sieves includes loading a resin into an extruder; heating the resin to form a polymer melt; introducing the polymer melt into a microcapillary film die to form microcapillaries in the polymer melt; quenching the polymer melt to form a microcapillary film; generating a microcapillary film layer; laminating the layers or placing the microcapillary film layers into a mold; heating the microcapillary film layers to a temperature of 50 DEG C to 350 DEG C to form a polymer monolith; pyrolyzing the polymer monolith by heating the polymer monolith to a temperature of 500 DEG C to 1700 DEG C to form the carbon molecular sieve monolith; and activating the carbon molecular sieve monolith using one or more oxidizing agents.

The present invention relates to a bio-aggregate based building product comprising a macroporous element formed from a mixture of: a calcium carbonate derived binder and a lignocellulosic bio-aggregate. The macroporous element has an air and / or vapour and / or water open matrix with a microcapillary structure formed by the lignocellulosic bio-aggregate. The porosity of the macroporous element is at least 50% of the bulk volume of the building product. Between 40% and 80% by weight of bio-aggregate granulates forming the lignocellulosic bio-aggregate have a maximum particle size falling within the lower 50% of the particle size range. No more than 5% by weight of bio-aggregate granulates forming the lignocellulosic bio-aggregate have a maximum particle size falling within the upper 20% of the particle size range.

Systems and methods for recovering content of a sample from a microcapillary array are provided. The microcapillary array includes a plurality of microcapillary wells. A laser is positioned to target a first microcapillary well in the plurality of microcap-wells. The laser pulses at least one time at the first microcapillary well. The content from the first microcapillary well is extracted, recovering the content of the first microcapillary well.

The invention relates to the technical field of slope regreening engineering, and discloses a coastal region graded double-layer ecological water-retaining slope-fixing regreening base material and a spray-seeding method, and the coastal region graded double-layer ecological water-retaining slope-fixing regreening base material comprises a bottom layer spray-seeding base material and a surface layer spray-seeding base material; the bottom-layer base material comprises a supporting interlocking network formed by crude fibers and medium fibers, the crude fibers serve as a framework material and are intertwined and interlocked with the medium fibers, and a communicated macroporous network is formed after spray-seeding solidification and used for providing deep anti-shearing force and plant root penetrating channels; the surface layer base material comprises a covering compact network formed by fine fibers, gaps of a framework are filled with the fine fibers, a micro capillary hole network is formed, and a fiber grading interlocking double-layer structure is formed and used for improving the capillary breakage water content and reducing evaporation loss. The water-retaining agent is arranged in the bottom-layer base material and the surface-layer base material, the water-retaining agent forms a gel-state structure after absorbing water and expanding, the water-retaining agent and the fiber network cooperate to achieve the effects of storing water, slowly releasing water and reducing scouring and stripping of the spray-seeding layer, and the water-retaining agent is suitable for secondary spray repairing of the coastal slope bald spot area.

A system is described that can be used for loading a microcapillary array chip for use with a high-throughput analysis system. The system may include a reservoir and a base for holding a microcapillary array chip in place while loading liquid from the reservoir to microcapillaries of the microcapillary array chip by translating the reservoir across the microcapillary array chip. Samples, reagents, and the like can be loaded into the microcapillary array chip using the system. A hydrating gel can be applied to the microcapillary chip to allow for more complicated microcapillary loading schemes.

A measuring method and a measuring system of a microbubble dispersion liquid for measuring characteristics of the microbubble dispersion liquid while distinguishing between fine particles and differentiating them into microbubbles and solid particles is disclosed. A measuring system measures characteristics of a microbubble dispersion liquid under test, and the system includes a microcapillary holding the liquid under test, a laser device irradiating the liquid under test inside the microcapillary with laser light, a magnetic device that applies a time-varying magnetic field to the liquid under test within the irradiation area with laser light, a digital microscope detecting scattered light generated from fine particles contained in the liquid under test by irradiation with laser light, and a measurement device that measures characteristics of the test liquid by distinguishing between the fine particles and differentiating them into microbubbles and solid particles based on the brightness of scattered light detected by the microscope.

A method of recovering the contents from a microcapillary array having a plurality of wells each with mutually opposed first and second openings. The method comprises: a) identifying a target well of the array for recovery from among a plurality of wells of the array; b) bringing first and second recovery ducts into contact with the array in alignment respectively with the first and second openings of the identified target well to effect fluid communication between those ducts and that well through the respective first and second openings; and c) by flowing fluid from the first recovery duct through the identified target well and into the second recovery duct, conveying contents of that well into the second recovery duct.

A laminate carbon molecular sieve (CMS) membrane may comprise a microcapillary laminate comprising: two or more microcapillary films, each microcapillary film comprising a first lengthwise face, a second lengthwise face, a first widthwise face, and a second widthwise face; one or more widthwise spacers; and two or more lengthwise spacers, wherein: the one or more widthwise spacers and the two or more lengthwise spacers are interposed between each of the two or more microcapillary films, at least one widthwise spacer is positioned proximal to the first widthwise face of the two or more microcapillary films; at least one lengthwise spacer is positioned proximal to the first lengthwise face of the two or more microcapillary films; at least one lengthwise spacer is positioned proximal to the second lengthwise face of the two or more microcapillary films, and the two or more microcapillary films comprise a polyvinylidene chloride (PVDC) copolymer.

The present invention relates to the technical field of atomic frequency standards, and in particular to a miniaturized atomic beam clock physics system and a clock generation method. The atomic beam clock physics system comprises: an alkali metal atom emission cavity, an alkali metal raw material block, a microcapillary array, a drift cavity, a multilayer silicon substrate, a laser, a fiber-optic phase modulator, a beam splitter prism, a plurality of reflecting mirrors, and a signal detector. Compared with a conventional coherent population trapping detection method based on a vapor cell, the present invention achieves a narrower fluorescence spectrum width and higher long-term frequency stability, also has a chip‑level integration capability, and has higher competitiveness compared with existing chip-scale atomic clocks based on a vapor cell structure.

The invention relates to the technical field of oil reservoir development, in particular to a low-porosity and low-permeability argillaceous sandstone reservoir saturation determination method and device. A logging curve of the research area is obtained, the shale content and the total porosity of the target interval are determined according to the logging curve, the clay content is determined according to the shale content, and the bound water porosity is determined according to the shale content and the total porosity; determining the clay water porosity according to the clay content; according to the bound water porosity and the clay water porosity, the microcapillary water porosity is determined; determining free water porosity according to the total porosity and bound water porosity; and determining the water saturation of the target layer according to the free water porosity, the microcapillary water porosity, the clay water porosity and the resistivity logging curve. The problem that the saturation precision of the obtained low-porosity and low-permeability argillaceous sandstone reservoir is low due to the fact that the relation between the rock resistivity increase index and the water saturation cannot be explained in the prior art is solved.

The utility model discloses a kind of optical fiber LMR pressure sensors, comprising: metal shell, its shell top is open, which is covered with metal diaphragm, the bottom end surface center of metal diaphragm is fixed with force transmission metal stick, the lower end of force transmission metal stick is deposited with fluoride layer, fluoride layer is deposited with gallium-doped zinc oxide film layer;Single-mode optical fiber, it is located in metal shell, the cladding of single-mode optical fiber removes middle section to expose the fiber core of middle section;Side surface opening microcapillary, it is cladded on the cladding of single-mode optical fiber both ends, microcapillary is filled with matching liquid with same refractive index and will be immersed with cladding, matching liquid can be as the liquid cladding of bare core;Gallium-doped zinc oxide film layer is located above liquid cladding, the space range between gallium-doped zinc oxide film layer and bare core is called transition layer. The sensor can avoid the influence of stress transmission on optical fiber, both have relatively wide sensing range, and also can ensure higher sensitivity.

The invention provides a brass / stainless steel circumferential weld laser welding-brazing method, a composite roll shaft and application. The method comprises the following steps that a brass roller to be welded and stainless steel journal base metal are cleaned; the brass roller is subjected to surface treatment, and a micro capillary channel is prepared; the brass roller and the stainless steel journal workpiece are sequentially placed into a welding tool to be positioned and clamped; and welding is started, a copper-nickel-manganese-silicon quaternary solid welding wire is used as filling metal, and laser melt-brazing welding is conducted on the brass / stainless steel circumferential weld. According to the brass / stainless steel circumferential weld laser melt-brazing method, the composite roll shaft and the application, continuous distribution of intermetallic compounds on a brass / stainless steel interface is eliminated, the porosity in a connector is reduced, and high-strength laser melt-brazing connection of brass / stainless steel heterogeneous materials is achieved; the prepared composite roll shaft is far better than a stainless steel roll shaft in thermal conductivity and temperature control performance, is applied to preparation of a wide-width roller, and realizes high-quality manufacturing of ultrathin wide-width materials.

The application relates to the technical field of industrial production, in particular to a drawing die for micro capillary forming, which comprises two fixed dies, a drawing die arranged between the two fixed dies, and a blocking device. The blocking device is arranged at one end of the fixed die on one side and is used for drawing the micro capillary in an oxygen-isolated environment. When the micro capillary enters the guide pipe on one side, the micro capillary is heated by using preheated nitrogen during the conveying and drawing processes, so as to reduce the difficulty of drawing the micro capillary by the drawing machine through the drawing die. Compared with the preheating mode of the existing heating lamp, the nitrogen filled in the closed chamber can heat the micro capillary in all directions, so that the micro capillary is heated more uniformly.

A gas delivery conduit configured to deliver gas to a device comprises an input end maintained at a first potential into which a gas is delivered from a source under a regulated pressure, a pressure regulator coupled to the input end for delivering a regulated flow of gas to the conduit, and an output end maintained at a second potential through which the gas is delivered to the device, with a direction of gas flow moving through the conduit from the input end to the output end. The potential difference between the first potential and second potential forms an electric field. A first plurality of electrically nonconductive conduit windings is disposed between the input end and output end and arranged such that the electric field running between the input end and output end runs substantially perpendicularly across the plurality of conduit windings and the direction of gas flow through the conduit.