614results about How to "Consistent size" patented technology

A continuous process is provided for preparing silica microgels using carbon dioxide as a gel initiator at a pressure of at least about 172 kPa (about 25 psig). Consistent performance of microgel can be produced with varying production rates.

In an LW-reverse-type monolithic ceramic capacitor including external terminal electrodes each including a resistance component, internal electrodes include nickel or a nickel alloy, and the external terminal electrodes each include a first layer, a second layer provided on the first layer, and a third layer provided on the second layer. The first layer has a wrap-around portion extending from an end surface to principal surfaces and side surfaces of a capacitor main body, and contains a glass component and a compound oxide that reacts with Ni or the Ni alloy. The second layer covers the first layer such that the edge of the wrap-around portion of the first layer remains exposed, and contains a metal. The third layer covers the edge of the wrap-around portion of the first layer and the second layer, and is formed by plating.

Embodiments of the present invention relate to a method for synthesizing nanocrystalline zeolites, the method comprising contacting starting products that comprise a solvent, a silicon source, a cation base, an organic template, and an aluminum source, or any combination thereof sufficient to produce a zeolite gel by hydrolysis, heating the zeolite gel sufficient to produce a first batch of zeolite crystals and a first clear solution, separating the first batch of zeolite crystals from the first clear solution, heating the first clear solution sufficient to produce a second batch of zeolite crystals and second clear solution and separating the second batch of zeolite crystals from the second clear solution. In addition, embodiments relate to a method of using nanocrystalline zeolites, the method comprising contacting a nanocrystalline zeolite with a reductant sufficient to produce a nanocrystalline zeolite with adsorbed reductant and exposing the nanocrystalline zeolite with adsorbed reductant to reactant gases sufficient to obtain reaction products and the nanocrystalline zeolite.

The invention discloses a cam mechanism and rotating ring forced resetting device for a fingerprint lock and relates to the field of anti-theft locks. According to the cam mechanism and rotating ring forced resetting device for the fingerprint lock, the main improvement is that the specific structure and the assembling mode of an overload protection device of the cam mechanism are changed; a collision bead sliding way, a collision bead spring and the like are radially assembled onto a cam shaft which is amplified locally; meanwhile, a collision bead large in diameter is adopted, on one hand, it is guaranteed that the idle function of the cam mechanism is stable and reliable, and on the other hand, space can be saved; the rotating ring forced resetting device which is simple and easy to implement can be arranged conveniently so that potential dangers can be eliminated; in addition, the resetting device is free of wear in routine operation and low in production cost; and meanwhile, axial dimensions and radial dimensions of main components of a double clutch can be increased so that reliability of the double clutch and safety of the lock can be improved.

Disclosed is a modular, knock down structure construction system illustrated by three structures, each having connecting portions detachably secured to one another by Trapezoidal Quick Slide Connector Assemblies, also disclosed, that enable a user to erect, without tools, a pre-designed structure.

Additionally disclosed is a manufacturing apparatus for accurately and efficiently mounting connector assemblies on structural parts for later assembly.

The invention relates to a hard-face metal composition with strong wear resistance and fracture resistance, in particular to a wear-resistant material used in drilling application. The wear-resistant material contains tungsten carbide and a nickel matrix binder, wherein the content of the tungsten carbide in the hard-face metal composition exceeds 50% by weight, and at least 60% by volume of tungsten carbide particles are spherical; and the binder consists of (in weight percent) at least 80% of nickel, 4.5-11% of fusing agent, 3-7% of copper and 1-5% of Cr or Mo or mixture of the Cr and the Mo, wherein the fusing agent is selected from boron, silicon and phosphorus.

The invention discloses a processing method used for a large-diameter pressing sleeve hole in the upper and lower crossbeam of an oil hydraulic press. The method is used for processing four pressing sleeve holes (with the design diameter of 1142F9/1150F9 and the depth of 2100 plus or minus 0.1mm) of the upper and lower crossbeam in the oil hydraulic press of 165MN; the open size among the four processed pressing sleeve holes is 8950 plus or minus 0.2 multiplied by 3550 plus or minus 0.15mm; furthermore, the diagonal sizes of the four pressing sleeve holes are consistent; the process comprises the steps as follows: step 1: rough machining; a first step is preparation; a second step is that allowance of 10mm on single surface is retained for heavy boring and allowance of 10mm on single surface is retained for rough milling; step 2: semi-finishing; a first step is preparation; a second step is that, allowance of 1mm on single surface is remained for semi-finishing boring by a boring machine, the allowance of 1mm is retained for semi-finishing milling on single surface by a boring machine, a third step is that the allowance of 1mm is retained for semi-finishing milling by a sidecutter head, and a fifth step is that the open size and the diagonal size are measured; step 3: finish-processing; a first step is that the finish-boring is carried out by a boring machine and a second step is that the finish-milling is carried out by the sidecutter head.

A pallet includes a first component which has a first upper surface, and a first lower surface which includes a first plurality of cross-rib members. A second component has a second lower surface, and a second upper surface which includes a second plurality of cross-rib members corresponding and mounted to the first plurality of cross-rib members. A third component is adjacent the second component and has a third upper surface, and a third lower surface which includes a third plurality of cross-rib members. A fourth component has a fourth upper surface which includes a fourth plurality of cross-rib members corresponding and mounted to the third plurality of cross-rib members. A plurality of intermediate column members extend between the second lower surface and third upper surface.

The invention discloses a slender hole glass-sealing multi-pin electrical connector and a preparation method of the slender hole glass-sealing multi-pin electrical connector. The slender hole glass-sealing multi-pin electrical connector comprises a metal housing, wherein a plurality of sealing holes are axially formed in the metal housing; conductor pins are assembled in the sealing holes; glass insulators are clamped between the conductor pins and the sealing hole walls of the metal housing; and epoxy curing layers are sealed at two ends in each sealing hole of the metal housing. The glass insulators are fabricated by a vitreous molten high-pressure tubing technology; sintering is carried out by a mesh-belt high-temperature sintering furnace; fractional potting and curing are carried out in grooves in two ends of the sealing holes of the electrical connector by a high-temperature resistant high-insulation epoxy adhesive, so as to form a compact protection layer; and the glass insulators are prevented from being polluted by external impurities. By the slender glass insulators, glass tubes are consistent in size, smooth in surface and good in boundary dimension; the problems of shrinkage and internal bubbles after a plurality of glass beads are superposed are solved; and two ends are sealed through the epoxy curing layers, so that high air-tightness, high loading capacity and high insulating property are achieved.

The invention belongs to the technical field of civil structure engineering and computer deep learning application, and particularly relates to a neural network fusing text and image data and a design method of a building structure of the neural network. A generator in the neural network for fusing the text and the image data generates an image, a discriminator judges the authenticity of the image, the generator comprises a text code and a feature extraction network to obtain a text feature matrix, the text feature matrix and the image feature matrix are fused, and an image network is generated based on fused features. And according to the language description text of the to-be-designed building structure and the pixelated image of the building feature element, the neural network fusing the text and the image data is adopted to complete the design of the building structure. According to the method, the corresponding structural design is quickly output according to the building design image and the structural basic design attribute text, and the automatic building structural design under the guidance of image and text multi-modal data fusion is realized.

The present invention provides a chromatography medium comprising one or more electrospun polymer nanofibers which form a stationary phase comprising a plurality of pores through which a mobile phase can permeate and use of the same in chromatography, such as the isolation of recombinant proteins, monoclonal antibodies, viral vaccines and plasmid DNA. The invention further provides for the use of the chromatographic medium in a simulated moving bed system.

The invention discloses a mould for tubing material forming, comprising an upper mould part, a lower mould part and a guide part, wherein the upper mould part comprises a mould handle, a knocking rod, an upper mould seat, an upper cushion plate, an upper cover plate, an upper convex mould, an upper top block and an upper fixed plate; the upper top block is sleeved in the upper cover plate; the upper convex mould passes through the upper top block; the top of the upper convex mould is in contact with the upper cushion plate; the upper convex mould is in sliding fit with the upper top block; the lower mould part comprises a lower cover plate, a lower fixed plate, a lower cushion plate, a lower mould seat, a lower convex mould and a lower top block; the lower top block is sleeved in the lower cover plate; the lower convex mould passes through the lower top block; the bottom of the lower convex mould is in contact with the lower cushion plate; the lower convex mould is in sliding fit with the lower top block; the guide part comprises a guide sleeve and a guide column; the guide sleeve penetrates in the upper mould seat; and the guide column penetrates in the lower mould seat. The mould uses the upper and lower convex moulds to press parts, so that the tubing materials are deformed to necessary shapes; the lengths of products are controlled by the upper and lower top blocks, the sizes of the two ends of each product are ensured to be consistent, the quality requirements of products are ensured, and the material pushing operation is convenient.

The invention discloses a full-automatic bamboo classifying, breaking and collecting equipment line. The full-automatic bamboo classifying, breaking and collecting equipment line comprises a bamboo tube feeding device, a bamboo breaking device and a classification collecting device for bamboo chips; the bamboo tube feeding device comprises a feeding frame, a conveying chain set and a detection assembly; the conveying chain set conveys bamboo tubes in the feeding frame to the detection assembly, and the detection assembly comprises a feeding inclined rod, a discharging inclined rod, a rotating clamping ring and an image detection system; the feeding inclined rod and the discharging inclined rod are arranged above and below the rotating clamping ring respectively; the image detection system is arranged at one end of the rotating clamping ring and is connected to a PLC; bamboo breaking knives are connected to hydraulic oil cylinders or air cylinders, and the hydraulic oil cylinders or the air cylinders are fixedly arranged on a circumferential frame or guide rails; and the hydraulic oil cylinders or the air cylinders connected to the bamboo breaking knives are all connected to the PLC. According to the full-automatic bamboo classifying, breaking and collecting device, the diameter and the thickness of the bamboo tubes can be automatically detected, in addition, the different bamboo breaking knives can be selected to break the bamboo tubes with different diameters, and therefore the size of the broken bamboo chips can be ensured to be consistent, and the bamboo chips with different thicknesses can be placed into different collecting boxes.

The invention relates to an ecological interlocking slope protection vegetation brick and a preparation method thereof. The vegetation brick comprises a block body and a vegetation disk, the block body comprises a center portion, a mounting clamp block, a mounting clamp groove, the center portion is provided with a center hole, the vegetation disk is arranged in the center hole, the upper surface of the vegetation disk is lower than that of the center portion, the center portion is provided with a front side surface, a rear side surface, a left side surface and the right side surface in the vertical direction, the mounting clamp block is positioned on the front side surface and left side surface and extends to the direction far wary from the center portion, the mounting clamp groove is respectively recessed to the center direction of the center portion from the rear side surface and the right side surface of the center portion, thickness of the mounting clamp block and the depth of the mounting clamp groove are equal and smaller than the thickness of the center portion, and the mounting clamp block and the mounting clamp groove on the adjacent slope protection vegetation bricks are mutually meshed, so that all-directional interlocking is achieved. Bricks are paved without mortar concrete in interlocking and self-embedding manner, and the vegetation brick is simple and easy to operate, low in construction cost, high in construction efficiency and applicable to slope strengthening and ecological restoration.

The invention relates to a verification method for ensuring accurate operation of intensity modulated radiation therapy (IMRT). The method comprises the following steps: designing a plan, printing the model of a patient by using a 3D printing technology, scanning the model under the same positioning condition and scanning condition, transmitting the scanned model to a TPS (Therapy Planning System), calling an IMRT therapy plan to be verified, completely copying relevant therapy data of the plan to the model, placing the model on an accelerator therapy bed, adjusting the measurement points of the model to isocenter positions by means of laser rays, and performing absolute dose verification and relative dose verification. The method has the advantages: the verification model is prepared by adopting the 3D printing technology, and the model is completely consistent with the patient in size, physical density and electronic density, so that the precision and the accuracy of the absolute dose verification and the relative dose verification are improved.

The invention discloses an SAR image ship detection method and system based on lightweight deep learning, wherein the method comprises the steps: carrying out the preprocessing of a large-size SAR image, and selecting a training sample; introducing a Ghost module and Ghost Bottleneck to upgrade the YOLOv5s to obtain a preliminary lightweight model of the YOLOv5s; on the basis of the preliminary lightweight model, utilizing the network pruning and knowledge distillation of a traditional model lightweight algorithm to realize further lightweight of the model; using a TensorRT reasoning optimizer for carrying out reasoning acceleration on the lightweight YOLOv5s model, and deploying the lightweight YOLOv5s model on NVIDIA Jetson TX2; cutting large-size SAR images to be detected, and sequentially sending the cut large-size SAR images to the model to complete detection; and synthesizing a detection result, and screening a prediction frame on the final large-size SAR image by using NMS non-maximum suppression. On the premise of satisfying acceptable precision loss, the parameter quantity and the floating point operand of the model are compressed, and the detection speed is improved.

The invention discloses a directly moving type high-flow directional flow servo valve and a control system using the servo valve. A valve core of the servo valve is pushed by a cam shaft driven by a servo motor; the cam shaft comprises an eccentric section and a driving section; one end of the valve core is pressed and leaned against a shaft surface of the eccentric section; a zero position sensing head is arranged on the shaft surface of the driving section; an inductive sensor which is matched with the zero position sensing head is arranged on a cam box; the inductive sensor is connected with a controller; and the controller is used for receiving a signal of the inductive sensor, controlling the servo motor to rotate back and forth in a small scope and performing the zero position positioning on the valve core. The servo valve is high in response speed and high in control precision. Meanwhile, the zero position positioning of the valve core is high in accuracy, is free from temperature null shift and is high in repeating precision. The adjusting time for the zero position positioning is short and a hydraulic system is relative stable when the zero position is adjusted.

The invention relates to an auxiliary device of a sewing machine, in particular to an edge rolling tool. The edge rolling tool comprises an edge rolling device and a support, wherein the edge rolling device is fixedly connected to the support, a slot hole is formed in the support, the support is connected with a connecting rod in a sliding mode through a screw, the connecting rod is further connected with a fixing rod in a rotary mode, a slot hole is formed in the fixing rod, and the fixing rod is installed on a working platform of the sewing machine through the slot hole and a screw. According to the edge rolling tool, due to the fact that edge rolling of the edge of cloth is carried out through the edge rolling tool instead of manual operation, difficulty of operation of edge rolling of the cloth can be reduced, production efficiency can be improved, and edge rolling of the cloth can be even and more reliable.