100results about How to "Improve bubbles" patented technology

A bubble generating assembly has a housing, an air generator associated with the housing, a bubble producing device positioned in front of the air generator to receive air generated from the air generator, and a cover or dipping cup configured as an inverted cup. The cover or dipping cup has an interior and a locking mechanism that removably connects the housing, and the cover or dipping cup retains the bubble producing device in the interior when the cover or dipping cup is connected to the housing. In addition, a bubble generating device has a loop with a cylindrical wall extending from the opening of the loop. The cylindrical wall has a plurality of ridges provided on the inner circumferential surface thereof.

The invention belongs to the field of intelligent home and agricultural product processing, in particular to an intelligent fruit and vegetable cleaning device and method. Through the specific arrangement of each component in the cleaning device, impurities and pesticide residues on the surfaces of fruits and vegetables are adhered and removed through high-density bubbles sprayed at the bottom after the fruits and vegetables enter water, and then the surfaces of the fruits and vegetables are rapidly dried by spraying gas on the fruits and vegetables after the water is discharged by lifting a cleaning groove, so that efficient cleaning and efficient drying are realized, and the corruption speed of the fruits and vegetables is not accelerated under the condition of efficient cleaning of thefruits and vegetables.

The invention provides an aerospace composite material defect positioning and identification method and system. The method comprises the following steps: S1, constructing a detection network for positioning and identifying defects of aerospace composite materials; S2, pre-training the detection network on an ImageNet data set, and obtaining pre-training weight values of a backbone network and a feature extraction network; S3, acquiring aerospace composite material defect image samples, and marking labels of the image samples; S4, inputting an image sample set and the labels into the whole detection network for training to obtain a weight, a defect position and category information of the detection network; and S5, obtaining a to-be-detected aerospace composite material defect image, inputting the image into the detection network, and calculating to obtain the defect position and defect category information in the to-be-detected image. According to the invention, defect positioning and identification are carried out on images containing aerospace composite material defects, the problem that the real-time performance is not high when X-ray images containing the aerospace composite material defects are manually identified is solved, and the defect identification precision is guaranteed.

The invention relates to a method for the preparation of high-strength stainless steel by using high alloy melt. The method is characterized by comprising the following steps: firstly, preparing high nitrogen alloy melt and Fe-Cr-Mn melt respectively; then adding the Fe-Cr-Mn melt slowly into the high nitrogen alloy melt; discharging for pouring after temperature controlling and uniform stirring. According to the method, smooth and steady fusing of the high nitrogen alloy melt and the Fe-Cr-Mn melt is facilitated, the escape of nitrogen is obviously reduced, high nitrogen steel melt with higher nitrogen content and better stability can be obtained so as to obtain high nitrogen billet steel with less bubble and high nitrogen content, and the detection for the nitrogen content of the high nitrogen billet steel can be up to 1.0 wt%.

The invention provides a peelable glue coating composition and a peelable glue coating as well as a preparation method and an application of the peelable glue coating. The peelable glue coating composition comprises the following components in parts by weight: 80-120 parts of an acrylate type oligomer, 8-20 parts of a dilutive monomer, 0.1-1.5 parts of a peeling force modifying agent, 2-12 parts of a triggering agent and 30-50 parts of an organic solvent. The peelable glue coating composition is relatively high in transparency and relatively high in light transmittance and relatively low in haze after film formation. Meanwhile, a coating formed by curing the peelable glue coating composition is relatively high in high temperature resistance and relatively high in peelability. By the high temperature resistance, the coating is good in adhesion property on the surface of a functional hardened layer, and the problems of air bubbles and warping can be effectively improved. By the peelability, the problem of glue layer residues caused during peeling of the coating can be reduced.

The invention provides PU (polyurethane) composite leather which comprises a leather blank and a surface treatment layer. The components of the surface treatment layer comprise polyurethane, a bridging agent, a tackifier and a smoothing agent; the leather blank comprises a base cloth layer, a bonding layer and a surface layer; and the material components of the blank comprise polyurethane, a dissolving medium, a hardening agent, a catalyst, a solvent, a flame retardant, a pigment and the like. The invention also provides a preparation method of the composite leather. The preparation method comprises the following steps of preparing the surface layer, preparing the bonding layer, bonding the surface layer, the bonding layer and the base cloth layer together, stripping, curing and treating the surface layer. According to the PU composite leather obtained through the preparation method, the dispersity and the leveling property of the raw materials are fully exerted, the mesh surface of the product is free of black spots and uneven coating, a hand feeling agent is evenly dispersed and free of bubbles, the abradability is excellent, and then the flatness and the high yield of the product are achieved.

The present invention provides carbonated beverages that have new qualities of being less likely to release carbon dioxide dissolved therein, bringing the feeling of fine bubbles in drinking, and allowing a full control of their sparkling characteristic, and a method for producing the carbonated beverages.A liquid containing carbon dioxide gas is passed through an apparatus to generate cavitation under pressure conditions to generate cavitation in the liquid, thereby making finer the bubbles of the dissolved carbon dioxide gas.

The invention discloses a repairing agent for subway shield segments and a preparation method of the repairing agent. The repairing agent is prepared from the following raw materials in parts by mass:200 to 300 parts of ordinary Portland cement; 150-200 parts of white cement; 100 to 250 parts of sulphoaluminate cement; 20-50 parts of microbeads; 50 to 100 parts of silica fume (silica powder); 150to 250 parts of active glass powder; 1 to 10 parts of excitant; 50 to 100 parts of concrete expanding agent; 0.1 to 0.4 part of plastic expanding agent; 1 to 5 parts of water reducing agent; 0.1 to 0.4 part of defoaming agent; 0 to 0.5 part of cellulose; 15 to 35 parts of redispersible latex powder; and A parts of water. The sum of the dosages of the components excepting water, namely the sum ofthe parts of the components excepting water is B, and the water-material ratio, namely the ratio of A to B, is 0.15-0.20: 1. The invention further provides a preparation method of the repairing agent.Through the synergistic effect of all the components, the repairing agent is high in early and later compressive strength, good in wear resistance and small in color difference with old concrete repairing, has the characteristics of good bonding performance and crack resistance, and is convenient to apply and popularize.

The invention discloses a preparation method of a wood-imitated polyurethane foam stabilizer. The method comprises the following steps that 1) octamethyl cyclotetrasiloxane, hexamethyldisiloxane and silicone oil with high hydrogen content react under the effect of an acid catalyst to obtain silicone oil with low hydrogen content; 2) diethylene glycol, propylene oxide and ethylene oxide react undera base catalyst to obtain a micromolecule dihydric alcohol polyether dispersing agent; 3) silicone oil with low hydrogen content, unsaturated hydrocarbon, allyl alcohol polyether, a complexation metal catalyst and the micromolecule dihydric alcohol polyether dispersing agent are added to a reaction kettle, and the wood-imitated polyurethane foam stabilizer is obtained through a reaction. According to the preparation method, the self-prepared micromolecule dihydric alcohol polyether dispersing agent is added in the preparation process and is beneficial to promotion of good dispersion of all components, the conversion rate of the reaction process is higher, and occurrence of the side reaction is reduced; in the foaming process, the viscosity of the system can be lowered, the compatibility of all components in the system is improved, the defects of the main product are overcome, and bubbles of the surface skin are reduced.