35 results about "Spheroid" patented technology

The utility model discloses a multi-positioning globe for geography teaching, which comprises a base, a C-shaped support frame is connected to the base, a sphere is rotatably arranged on the support frame, and two ends of the support frame are rotatably connected to the upper pole and the lower pole of the sphere through an upper rotating shaft and a lower rotating shaft respectively; the upper rotating shaft is sleeved with a first spring and a locking ring, one end of the first spring is fixedly connected to the upper rotating shaft, the other end of the first spring is fixedly connected to one end face of the locking ring, and the other end face of the locking ring is provided with a first ratchet structure. Position locking is achieved through the first spring, the locking ring and the sleeve arranged at the joint of the supporting frame and the upper pole of the ball body, operation is more convenient, and the arrangement position of a locking mechanical part better conforms to ergonomics.

The present application relates to the technical field of measurement, and especially relates to a kind of pelletizing diameter measurement method.The method comprises the following steps: pelletizing diameter data acquisition and ball quantity acquisition are carried out by the pelletizing diameter detection device preset on pelletizing disc, and pelletizing diameter data and ball quantity data are obtained; qualified ball mass is calculated according to the pelletizing diameter data, and qualified ball mass data is obtained; real-time feed flow data and real-time water supply amount data are obtained, and pelletizing rate is calculated according to the real-time feed flow data, real-time water supply amount data and the qualified ball mass data, and pelletizing rate data is obtained; system pelletizing rate is calculated according to the ball quantity data and the pelletizing rate data, and system pelletizing rate data is obtained, to carry out pelletizing disc adjustment operation.The present application calculates the pelletizing rate of each pelletizing disc in real time, and when the pelletizing rate of a certain pelletizing disc becomes low, it is convenient to feedback and adjust the pelletizing disc in time.

The utility model discloses a hollow capsule convenient to swallow, which comprises a semi-ellipsoid capsule body (1) and a semi-ellipsoid capsule cap (2), and the outer side wall of the capsule body (1) is provided with a middle groove (3) arranged along the central axis direction of the capsule body (1); an air hole (4) is formed in the end, close to the end face of the capsule body (1), of the middle groove (3), a plurality of clamping grooves (5) which are vertically and evenly distributed are formed in the two sides of the middle groove (3), and each clamping groove (5) is communicated with the middle groove (3); a clamping protruding block (6) matched with the clamping groove (5) is arranged on the inner side wall of the capsule cap (2), and a sealing ring (7) is arranged above the clamping protruding block (6). The swallow-type disposable swallow bag is convenient to swallow, and has the advantages of high degradation rate, high use stability, high structural stability and convenience in assembly and use.

The utility model belongs to the technical field of gradient dilution pipe frames, and discloses a gradient dilution pipe frame for separating actinomycetes in rhizosphere soil of ginseng, a column groove is formed in the middle of the interior of a gradient dilution disc pipe frame, a rotating assembly is fixedly arranged in the column groove, and the rotating assembly comprises a hollow circular ring; the test tubes with different dilution gradients can be flexibly rotated to a position convenient to operate by utilizing the rotating assembly, so that an operator does not need to frequently move or change the position when sucking diluents with different gradients, the operation convenience and smoothness are remarkably improved, personal errors are reduced, and the operation efficiency is improved. More test tubes can be orderly arranged in a limited space, so that the space utilization rate is increased, the separation operation efficiency is accelerated, meanwhile, solutions in the tubes are further uniformly mixed in the rotating process, and the separation effect is improved.

The present disclosure relates to a system, a non-transitory computer readable medium and a method for determining a minimum amount of slurry to be added to a concrete mixture. This comprises measuring a plurality of n particles and determining, for each particle i: a particle volume (I), a particle surface area (II), a particle maximum size (III), a spherical volume (IV) and a spherical surface area (V) associated with a sphere having a diameter equal to the particle maximum size (III), and a remaining free surface. Then, for the plurality of particles, the shape irregularity factor is determined based on the remaining free surfaces of all n particles and the particle volume (I). The shape irregularity factor is used to determine a minimum amount of slurry for binding with a plurality of n particles to create a constructable concrete mixture, and a control signal is sent to a concrete preparation system.

The utility model discloses a laser tracker target ball, including the spheroid, the spheroid has the cavity, be equipped with the opening of the intercommunication cavity on the spheroid, the opening place threaded connection has the compression circle, is equipped with the lens seat and cubic angle retroreflector in the cavity, and the compression circle is equipped with the sheath between the lens seat. The utility model discloses a laser tracker target ball, cubic angle retroreflector and lens seat are fixed after preliminary calibration, and after being loaded into the target ball inside, it is convenient to adjust the relative spatial relation. After product is completed, optical and physical structure are relatively stable, and the ability that resists external interference is strong. Compression circle structure design is reasonable, and cooperate sheath, play the role of reinforcing the internal structure of spheroid, form protection to cubic angle retroreflector again, improve the service life of target ball. Spheroid and base adopt magnetic attraction force connection, and the installation dismounting is convenient, promotes work efficiency and guarantees the measuring accuracy.

The utility model relates to the technical field of drawer hidden rails, in particular to a sliding ball frame for a fixed rail and a middle rail, which comprises a sliding part, a top plate, a first fixed wing and a second fixed wing, the first fixed wing and the second fixed wing are respectively connected to two sides of the top plate, the first fixed wing is positioned between the fixed rail and the middle rail, and the second fixed wing is used for being assembled with the middle rail in a sliding manner. A plurality of groups of mounting grooves are formed in the first fixed wing, the mounting grooves are formed in the extending direction of the first fixed wing, the sliding parts are rotationally mounted in the mounting grooves, the sliding parts are spherical, traditional cylindrical balls are changed into the spherical sliding parts, the friction coefficient is lower, and the friction coefficient is higher. The spherical symmetric structure allows the sliding part to rotate freely in any direction, the torque is uniform during rotation, the installation angle does not need to be adjusted, the installation cost is low, the problems of lateral sliding and stress concentration caused by installation deviation in a traditional design are solved, the drawer drawing smoothness is improved, the hidden rail use reliability is improved, and the user use experience is improved.

The utility model discloses a water quality monitoring unmanned plane water sampling device, including the shell body, the shell body is spheroid, and the shell body is fixedly installed with the around rope spare, and the around rope spare is connected with the around rope motor, and the around rope spare is coiled with the rope, and the rope free end penetrates the shell body top along the shell body axis, and at least one water storage tank is arranged in the shell body, and the shell body is fixedly installed with the water taking pump, and the water taking pump output end is connected the water storage tank, and the input end is fixedly installed in the shell body and is communicated with the shell body outside, and the shell body is installed with L type frame on the side away from the water taking pump input end, and the L type frame is mirror image symmetry and is provided with two, and the L type frame is provided with a plurality of through -holes on the end away from the shell body. The utility model discloses through setting up spheroid shell body and around rope spare part and L type frame two kinds of hoisting structure, make sampling device suitable for the use of different kinds unmanned plane.

The present disclosure provides a method of performing a functional assay on human spheroids, e.g., three-dimensional human cell spheroids using, in one embodiment, a fluorometric imaging plate reader.

The utility model relates to the technical field of fire detectors, and particularly discloses a fire detector, which comprises a mounting plate, a base is fixed on the mounting plate, a shell is detachably connected to the outer side of the base, a cavity is formed in the inner lower part of the shell, a connecting block is fixed in the middle of the cavity, and the connecting block is detachably connected with the base. A plurality of arc-shaped clamping blocks are slidably connected to the outer side of the connecting block, a groove is formed in the middle of the base, the groove is connected with the connecting block in a matched mode, a plurality of clamping grooves are formed in the outer side of the groove and communicate with the groove, the clamping grooves are connected with the arc-shaped clamping blocks in a matched mode, and the arc-shaped clamping blocks are arranged in a one-fourth sphere shape; according to the utility model, the arc-shaped clamping blocks, the clamping grooves, the pushing and pressing blocks and the connecting plates are arranged, so that the dismounting convenience of the fire detector can be improved, maintenance or cleaning is facilitated, and meanwhile, the situation that connection is loose or reinstallation cannot be carried out due to too many dismounting times can be avoided.

The utility model discloses a kind of spheroid forming systems, including carrying module, injection material module, detection module, combination module and a control module. Carrying module has multiple transport sections, multiple transport sections are connected with each other, and carrying module is configured to carry two forming components from one transport section to another transport section. Injection material module is configured to provide shell layer material into two forming components. Detection module is configured to obtain the real-time image of shell layer material in two forming components. Combination module is configured to combine two forming components to form predetermined spheroid. Control module is configured to determine whether to drive combination module to combine according to whether real-time image meets evaluation standard. Therefore, the spheroid forming system of the utility model can improve the production quality of predetermined spheroid, and reduce processing cost.

Provided is a gas detection device that is compact and can perform accurate measurement. The gas detection device includes a light-emitting section (10), a light-receiving section (20), and a light-guiding section (30) that guides light from the light-emitting section (10) to the light-receiving section (20). The light-guiding section (30) includes a mirror (50) and has a shape of part of at least one spheroid. The mirror (50) is provided at a position of or in proximity to a first focal point of the spheroid. The light-emitting section (10) and the light-receiving section (20) are each provided at a position of or in proximity to a focal point of the spheroid that is not the first focal point. The light-emitting section (10) and the light-receiving section (20) are arranged in parallel to a major axis direction of the spheroid.

The invention discloses an aggregate three-dimensional shape quantification method and device, and the method comprises the steps: carrying out the registration and packaging of surface patch point clouds of an aggregate at a plurality of visual angles, and obtaining a three-dimensional point cloud of the aggregate; performing triangulation on the three-dimensional point cloud to obtain a surface mesh model formed by a plurality of triangular patches; geometric parameters in the surface mesh model are extracted, and curvature indexes of the aggregate are determined based on the geometric parameters; wherein the geometric parameters comprise a vertex coordinate set formed by vertex coordinates of the triangular patches, a connection relation between the triangular patches, and interior angles and unit normal vectors of the triangular patches; performing global ellipsoid fitting based on the vertex coordinate set to determine the ellipsoid of the aggregate; and determining the comprehensive curvature of the aggregate according to the ellipsoid and the curvature index so as to quantify the three-dimensional shape of the aggregate. The problems that an existing aggregate scanning device is low in automation and intelligence degree, and an aggregate morphology quantification method is low in precision are solved. And comprehensive and accurate quantification of the three-dimensional morphology of the aggregate is realized.

The utility model discloses an ellipsoid-shaped field guide cabin, belongs to the technical field of field guide cabins, and solves the problem that electromagnetic wave convergence can be fed back to the part of a human body insufficiently due to the fact that the number of electromagnetic wave convergence points at only one position is small for an existing spherical field guide cabin. Comprising an annular base, a plurality of octagonal supporting plates fixedly connected to the base and a cabin body fixedly connected to the octagonal supporting plates, the number of the octagonal supporting plates is eight, the eight octagonal supporting plates are evenly arranged at intervals, the cabin body is in an ellipsoid shape, and the long axis of the cabin body is horizontally arranged. According to the utility model, the ellipsoid cabin body is provided with two circle centers as focuses for electromagnetic wave convergence, so that the number of convergence positions of electromagnetic waves in the cabin body is increased, a single person can lie flat to receive the electromagnetic waves reflected by the double circle centers, the electromagnetic wave convergence positions act on a plurality of parts of a human body, the fan in the cabin can induce air, and waste gas is discharged through the air port; plants can be placed on the seedling rack.

The utility model discloses a pipeline installation device for fire engineering, which comprises a main body assembly, the main body assembly comprises a base support, a bearing seat, a clamping block and a rubber pad, and the inner side of the clamping block is movably connected with the rubber pad; the multi-angle adjusting assembly comprises a cylindrical rod, a rotating ball body, a rectangular plate, a first adjusting groove and a second adjusting groove, the bottom of the cylindrical rod is fixedly connected with the rotating ball body, the first adjusting groove is formed in the middle of the base support in a penetrating mode, and the second adjusting groove is formed in the middle of the rectangular plate in a penetrating mode. The upper and lower ends of the rotating ball are movably connected with the second adjusting groove and the first adjusting groove respectively. Under the cooperation of the first adjusting groove and the second adjusting groove, angle inclination adjustment of the rotating ball body in multiple directions can be achieved, then the fire fighting pipeline between the two clamping blocks can be driven to be subjected to angle inclination adjustment in multiple directions, and accordingly adaptive inclination adjustment can be conducted according to the actual installation environment.

The preparation method comprises the following steps that S1, in a stirring state, a first oxidizing agent solution and a reducing agent solution with the pH value being 8-12 are dropwise added into a dispersing agent solution at the same time, and a mixed emulsion is obtained; and S2, the stirring speed is reduced, a second oxidizing agent solution is dropwise added into the mixed emulsion, then an organic coating agent is added, the stirring speed is increased for a stirring reaction, and after solid-liquid separation, washing and drying are conducted, the spheroidal gradient structure high-activity silver powder is obtained. The silver powder has high sintering activity, the printing performance of a narrow screen printing plate opening (6-7 microns) is excellent, and the silver powder can be used for solar photovoltaic laser-assisted sintering of a topcon battery front face fine grid.

A method is provided for preparing spheroids in a pipette tip from one or more cells. The spheroids may consist of a single cell type or multiple cell types. Methods are also provided for utilizing the spheroids in fully or partially automated assays, high-throughput screening, and clinical applications.

The utility model relates to the technical field of oil and gas exploitation equipment, and discloses a soluble signal ball for fracturing, which comprises a ball body, the ball body further comprises a coating layer, an inner film I, a sandwich layer, an inner film II and a core layer, the inner film II is coated on the periphery of the core layer, the sandwich layer is uniformly coated on the periphery of the inner film II, and the core layer is coated on the periphery of the sandwich layer. The periphery of the sandwich layer is coated with the first inner film, and the periphery of the first inner film is evenly wrapped with the wrapping layer. The ball body is of the multi-layer solid structure from outside to inside, the core layer is made of the porous ceramic material and is compounded with metal to form a dispersion structure, the strength and the conductivity of the porous material layer are improved, meanwhile, the dissolution speed of the porous material layer can be controlled, and the service life of the ball body is prolonged. The metal layer composed of the first inner film, the sandwich layer and the second inner film is sequentially arranged from outside to inside, and the fracturing ball meeting the expected dissolution rate can be made by means of layered arrangement of different metals and combination of strength plasticity and dissolution performance of the different metals.

The application provides a method for calculating the connectivity of the interface transition zone around the spheroid aggregate particles, relates to the concrete defect characterization and simulation calculation field, and can more truly characterize the connectivity degree of the interface transition zone in the concrete by constructing the aggregate accumulation system, defining the equivalent diameter of the aggregate particles and the characteristic equivalent diameter of the aggregate particles, and simultaneously considering the shape distribution and size distribution characteristics of the aggregate particles; by adopting the combination method of the rough judgment and the accurate judgment of the interface transition zone, the required calculation time is greatly reduced, so that the rapid calculation of the percolation probability of the interface transition zone under the preset condition is realized, the situation of the generation of the connected cluster of the interface transition zone is evaluated, and then the performance of the concrete is improved by adjusting the aggregate volume fraction, the aggregate grading size and the like in the field, and the connectivity of the interface transition zone in the concrete is designed and evaluated in advance.

The utility model relates to the technical field of crutches, in particular to a tumbler crutch which comprises a crutch rod body and a tumbler ball, the crutch rod body comprises a first crutch rod and a second crutch rod, the second crutch rod is connected in the first crutch rod in a sliding mode, and the lower end of the first crutch rod is connected with the tumbler ball. A locking mechanism used for adjusting the size of the stick body is arranged between the first stick body and the second stick body, the tumbler ball is made of elastic rubber, a balancing weight is installed at the bottom in the tumbler ball, and a supporting mechanism is arranged on the outer side of the tumbler ball and used for stably supporting the stick body. The contact area between the crutch and the ground is increased through elastic deformation of the tumbler ball body, the supporting mechanism provides rigid supporting when the tumbler ball body deforms, the supporting stability of the crutch is effectively improved, and the using effect is improved.

A nested pebble bed blanket surrounding a fusion reactor's vacuum chamber includes stacks of nested pebbles composed of neutron multiplier shells filled with breeding spheroids. The shells have perforations passing through their inner and outer surfaces, and they include coolant distributor elements coupled or unitary with the inner surfaces that facilitates the coolant flow into the sphere, sweeping and cooling the inner breeding spheroids and the blanket as a whole. When bombarded by neutrons, the nested pebbles produce a fusion fuel to sustain fusion reactions and are replenished with conveyor systems. A separator extracts the fusion fuel from the blanket coolant, and the reactor's heat from the walls and nested pebble bed is extracted by inert gases and conveyed to a thermal storage and / or a power cycle

Described herein is microfluidic droplet generation device for producing multicellular collagen encapsulated spheroids. The multicellular collagen encapsulated spheroids can be used as bio-ink comprising multicellular collagen encapsulated spheroids and a scaffold which can be used to 3D bio-print in vivo-like 3D tumor models. When combined together the 3D multicellular collagen encapsulated spheroid generation platform is adjustable, can be used for high-throughput generation of 3D multicellular collagen encapsulated spheroids and 3D tumor models, and can be used to produce 3D multicellular collagen encapsulated spheroids and 3D tumor models at large scale.

The utility model relates to the technical field of valves, and discloses a vertically-installed top-mounted ball valve ball taking tool which comprises a workbench, a supporting piece, a conveying rod, a moving piece and a balance weight piece, a rail is arranged on the upper side of the workbench, the supporting piece is connected with the bottom of the workbench, and the supporting piece is configured to support the workbench and force the workbench to keep horizontal; the transportation rod is horizontally arranged on the upper side of the supporting piece, and one end of the transportation rod is fixed to the ball; the moving part is arranged on a track of the workbench and can move along the track; the top of the moving part is suitable for being connected with the supporting part and providing supporting for the supporting part. The balance weight piece is connected with the conveying rod, and the balance weight piece and the ball are arranged at the two opposite ends of the moving piece. The ball taking device solves the problem of ball taking when the valve is vertically installed on site.

The utility model relates to data processing technical field discloses a kind of automatic counting device of sphere. The automatic counting device of sphere includes support, ball limiting part and counter, and ball outlet and the ball storage space being communicated with ball outlet are provided on support;Multiple ball limiting parts can alternatively be connected with support, and ball limiting part is rotatably arranged in ball storage space, multiple ball limiting grooves are provided on ball limiting part, sphere can be embedded in ball limiting groove, and the diameter of the ball limiting groove of multiple ball limiting parts is different;Ball limiting groove has the ball outlet position at ball outlet and the limiting position away from ball outlet, when ball outlet position, sphere can be separated from ball limiting groove and remove from ball storage space;Drive ball limiting part to rotate, sphere embedded in ball limiting groove can be driven by ball limiting part to move to ball outlet after passing through counter first, and counter is configured to count the number of sphere passing through its surface. The automatic counting device of sphere can be suitable for counting of different specifications of sphere, improve the efficiency and accuracy of counting.

The subject invention pertains to a novel gas exchanger system and methods for culturing spheroids, comprising a substrate exhibiting hierarchical high aspect ratio surface features, where the surface geometry incorporates small dimple indentations in the surface and even smaller vent holes or channels that penetrate through the surface, and coated with a superhydrophobic material that forms a contiguous stabilized plastronic air-liquid interface from surface tension that resists the culture medium volume's pressure and guides cells to form spheroids, where the interface serves as an oxygen source and does not slow down nutrient diffusion giving better control over the culture environment.

The utility model relates to a kind of rotating connection mechanism for aperture, lens driving device and camera equipment, including aperture support and the aperture driving frame rotating around optical axis, aperture support and aperture driving frame are connected by rolling sphere rotation, rolling sphere is housed in spheroid movement trajectory space, at least part of spheroid movement trajectory space is located on aperture support, and the remaining part of spheroid movement trajectory space is located on aperture driving frame;Rolling sphere and spheroid movement trajectory space are in the cross section of optical axis direction Multiple inner wall movable tangent contact.It is characterized in that: using rolling sphere and spheroid movement trajectory space four face point surface contact, greatly reduce the friction between aperture support and aperture driving frame, while the design of spheroid movement trajectory space makes that aperture support and aperture driving frame will not occur deviation, overall improve the precision and service life of entire device.

A Fabry-Perot etalon includes first and second mirrors (72) spaced from one another by a spacer element (70,80,100), which spacer element is provided with sides which provide support, respectively, for the first and second mirrors; an optical cavity (20) extending between the first and second mirrors (72) and having an optical axis; a plurality of cut-out surfaces (74-80) for supporting the spacer element (70,80,100) and being located symmetrically about the optical axis of the cavity (20); the cut-out surfaces (74-80) being concave cut-outs of the spacer element (70,80,100); wherein said cavity (20) is provided by a bore (18) within the spacer element; wherein a compressive force directed towards the centre of the cavity is applied at the support elements (74-80); and the support elements (74- 80) are positioned tetrahedrally about the spacer (80,90,100). The spacer may be in the shape of a cube, a rectangular cuboid or sphere or an oval spheroid. The concave cut-outs have a radius of curvature greater than a radius of curvature of the support elements (66) and are part spherical. The spacer structure is much more resistant to high inertial and vibratory forces. Another aspect provides an etalon with two pairs of partial mirrors (12) and evacuation elements through which the cavity may be evacuated even though mirrors overlay them. In another aspect spacer element is provided with a plurality of symmetry-balancing elements, preferably having a structure and dimensions the same as or very similar to the mirrors. There is also provided access through which one or more of the bores may be evacuated through mirrors or symmetry-balancing elements overlaying them.

The utility model provides a swing posture correction ball and a swing posture correction appliance using the same, the swing posture correction ball comprises a first ball shell and a second ball shell which are detachably connected to form a ball body, and one end of the first ball shell back to the second ball shell forms a first straight wall; a second straight wall opposite to the first straight wall is formed at one end, opposite to the first spherical shell, of the second spherical shell; the first magnetic piece is arranged on the inner side face, facing the second spherical shell, of the first straight wall; the second magnetic piece is arranged on the inner side face, facing the first spherical shell, of the second straight wall; the first magnetic piece and the second magnetic piece are located on the same vertical plane when the first straight wall or the second straight wall is supported on the ground. According to the swing posture corrector, only one straight wall of the ball needs to be supported on the ground, the binding band is bound to the arm, and whether the ball flies to a preset area along the parabola path coinciding with the plane where the swing path of the arm is located or not is judged; whether the plane where the arm swing track is located in the ball hitting process is located in the vertical plane and coincides with the vertical plane where the ball axis is located is reflected.