16results about How to "Volatile" patented technology

The utility model discloses a multi-wedge belt wheel for conveying a roller, which relates to the field of logistics transportation and comprises a multi-wedge belt wheel main body which is integrally formed and arranged, the multi-wedge belt wheel main body comprises a transmission end and a connecting end, a plurality of trapezoidal holes are formed in one side of the connecting end, and every two adjacent trapezoidal holes are spaced to form a supporting partition plate. The trapezoid holes are matched with the supporting partition plates to support the rollers. The trapezoid holes effectively reduce the mass of the connecting ends, meanwhile, the trapezoid holes are matched with the supporting partition plates to enable the connecting ends to be of a hollow structure, the hollow structure can effectively buffer impact force of heavy objects on the roller, the trapezoid holes are of a quadrilateral structure, and compared with a triangular structure, the quadrilateral structure has the performance of variability, and the service life of the quadrilateral structure is prolonged. When the roller bears the pressure of a heavy object, the roller synchronously applies the pressure to the connecting end, and at the moment, the trapezoidal hole elastically deforms to achieve buffering, so that the impact force borne by the multi-wedge belt wheel is effectively reduced, the multi-wedge belt wheel is prevented from being damaged, and then the service life of the multi-wedge belt wheel is prolonged.

The utility model relates to the technical field of cleaning, in particular to a water treatment system and device.The water treatment system comprises a water flow channel, a weakening module, an ozone generation module and a micro-nano bubble generation module which are sequentially arranged in the water flow direction of the water flow channel, the alkalescence module can make water become alkalescent, and the micro-nano bubble generation module can generate micro-nano bubbles into the water flow channel, so that ozone generated by the ozone generation module can be stored in the micro-nano bubbles. According to the utility model, water can be weakly alkalized, and the solubility of ozone in water can be increased through the cooperation of the micro-nano bubble generation module and the ozone generation module, so that the sterilization and decontamination capabilities are improved.

The application discloses a DASA molecular switch photochromic film and application thereof. Z ,4 E )-2-hydroxy-5-((2-hydroxybenzyl)(pyridine-2-methyl)amino)pent-2,4-dien-1-ylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione is dissolved in 1,1,1,3,3,3-hexafluoro-2-propanol, and a photochromic film is formed after the solvent is volatilized. The photochromic film of the application breaks the limitation of DASA molecular concentration dependence, realizes photochromism in a solid film state by means of intramolecular Michael addition and provides bicyclic isomers, and has application prospects in drug delivery, temperature sensors, chemical detectors, surface chemistry and photothermal driving.

The invention discloses an oil smoke reverse suction prevention device for an internal thread copper pipe, which relates to the technical field of non-ferrous metal processing and is used for being mounted on an annealing purging rod, an air inlet is formed in the annealing purging rod, the annealing purging rod comprises an air guide head, a conical air separation cover and a spring, the air guide head is arranged on the annealing purging rod, and the conical air separation cover is arranged on the air guide head. A gas guide head inlet and a gas guide head inner hole which are communicated with each other are formed in the gas guide head, the gas guide head inner hole is communicated with the gas inlet, the conical gas insulation cover is arranged in the annealing purging rod, one side of the conical gas insulation cover is over against the gas inlet, and the other side of the conical gas insulation cover is connected with the inner wall of the annealing purging rod through a spring. By arranging the oil smoke suck-back prevention device for the internal thread copper pipe on the air inlet of the finished annealing purging rod, inert protective gas can be conveniently guided into the annealing purging rod, meanwhile, oil smoke gas in the atmosphere in a furnace in the annealing process can be effectively prevented from being sucked back into the inner wall of the copper pipe after inert gas purging is completed, and the service life of the copper pipe is prolonged. Oil smoke is prevented from entering the copper pipe for secondary cooling condensation, so that the residual oil value of the inner wall of the copper pipe is reduced.

The application provides a printable mesoscopic perovskite solar cell and a preparation method thereof, and the solar cell has a layered structure framework. By adding an alcohol ether to a precursor solution, the permeability of the precursor solution is effectively improved, and the fill factor, short-circuit current and stability of the solar cell are significantly improved, so that the technical problem that the existing perovskite precursor is not filled sufficiently in the porous membrane framework, resulting in poor photoelectric performance, is solved.

This invention relates to an injection molding structure and demolding process for producing two-color liquid silicone ejector pins in the field of injection molding technology. It includes a frame, a heating device, an injection molding device, a molding device, and a main control panel. One end of the lower mold assembly is equipped with an atomizing spray gun. The surface of the atomizing spray gun is connected to an air inlet for compressed gas and a liquid inlet for mold release agent. The lower mold assembly contains a demolding device to assist in cooling and demolding. This invention improves upon traditional ejection methods that easily cause product tearing, deformation, or residue by adding an atomizing spray gun to uniformly spray the agent onto the surface of the cavity and core under gas pressure, forming a micron-level isolation film, achieving a non-destructive demolding process. This structure automatically sprays the mold release agent before mold opening. After mold opening, the demolding device with a cooling effect first cools the ejected part of the product, allowing the stressed part of the product to cool and solidify before being smoothly ejected, reducing the need for traditional steps requiring complete cooling or air cooling.

The application relates to the technical field of plant extracts, and discloses a forsythia suspense leaf extract and application thereof. The preparation method of the forsythia suspense leaf extract is as follows: (1) forsythia suspense leaves are treated by killing green, drying and crushing, and then sprayed with a sodium hydroxide-ethanol solution and sealed and placed, followed by drying and steam explosion to obtain solid A; (2) solid A is extracted by refluxing with an ethanol solution, and then subjected to solid-liquid separation and concentration to obtain concentrated solution A, anhydrous ethanol and an additive are added into the concentrated solution A, stirred, placed, subjected to solid-liquid separation, concentrated into a paste, and then water is added into the paste, mixed, and concentrated to obtain concentrated solution B; (3) concentrated solution B is placed at room temperature, subjected to solid-liquid separation, and the collected solid is dried to obtain the forsythia suspense leaf extract. The preparation method of the forsythia suspense leaf extract in the application can effectively extract forsythoside in the forsythia suspense leaves, and the content of forsythoside in the extract can reach more than 60%.

This invention provides a copper-zinc-tin-sulfur-selenium thin film, its preparation method, and a semiconductor device thereof. The preparation method includes: fully dissolving at least one metal source of copper, zinc, tin, sulfur, and selenium in a ligand solvent; then adding a main solvent, other metal sources, and a sulfur or selenium source; and thoroughly mixing to obtain a copper-zinc-tin-sulfur-selenium precursor solution based on a mixed solvent system. The ligand solvent is a small-molecule solvent with carbonyl or amine coordinating groups that provide lone pairs of electrons to metal cations. The precursor solution is then coated onto a substrate surface to prepare a precursor thin film. The precursor thin film is further subjected to post-selenization or post-sulfurization treatment to obtain the copper-zinc-tin-sulfur-selenium thin film. By introducing a small-molecule solvent with specific coordination ability to form discrete metal-ligand structural units with the metal precursor, metal clusters or oxygen bridge network structures are effectively suppressed. High homogenization of the precursor solution is achieved at the molecular scale, significantly improving the thickness and compositional uniformity of the copper-zinc-tin-sulfur-selenium precursor thin film.

This utility model discloses an odor sample preparation device, including an odor source storage chamber and bases disposed at the four corners of the lower side of the odor source storage chamber. The odor source storage chamber has a storage space inside, and an anti-volatility sealing cover is provided on the rear exterior of the storage space. A temperature control module is disposed inside the upper rear left side of the odor source storage chamber, a suction pump is disposed inside the left side of the odor source storage chamber, and a controller is disposed on the upper right front side of the odor source storage chamber. This device supports the rapid replacement of different types of adsorption materials (such as activated carbon and molecular sieves) to meet the directional enrichment needs of diverse odor samples (such as explosives, plant fragments, food, etc.), avoiding the limitations of a single material. The temperature control module is electrically connected to the external heating structure and can flexibly adjust the heating mode according to the odor source form (solid or liquid), improving the volatile efficiency of odor molecules while supporting standardized and streamlined operation.

The invention discloses a perspiration breathable eight-hole fiber and a preparation method thereof, and relates to the technical field of chemical fibers. The preparation method comprises the following steps: modifying silicon nitride by using calcium lignosulphonate, respectively loading a natural high polymer material and a compound on the modified silicon nitride, preparing modified polyester fibers from the silicon nitride loaded with the natural high polymer material and a polyester material, and spraying the silicon nitride loaded with the compound on the modified polyester fibers to obtain the modified polyester fibers. The air-permeable and sweat-discharging eight-hole fiber is prepared; the preparation method comprises the following steps: embedding poly (N-isopropylacrylamide) into carrageenan to prepare a compound; certain micropores exist in a three-dimensional network structure formed by the carrageenan, the micropore structure endows the carrageenan gel with certain adsorption, embedding and other properties, the carrageenan gel can be used for bearing poly (N-isopropylacrylamide), and the breathable effect of the fiber is improved.

The invention relates to the technical field of solid-state batteries, in particular to a negative pole piece for a solid-state battery, a preparation method of the negative pole piece, the battery and an electric device. The disclosed negative pole piece for the solid-state battery comprises a current collector and an active coating which is arranged on at least one side and at least part of the surface of the current collector in the thickness direction, the active coating comprises a negative electrode active material, a binder and a densification auxiliary agent, and the number-average molecular weight of the densification auxiliary agent is smaller than that of the binder; when the pressure is less than or equal to 5MPa, the porosity of the negative pole piece is a and is dimensionless; wherein a is less than or equal to 30%. According to the negative pole piece disclosed by the invention, the friction force and the mechanical occlusion behavior at the interface can be regulated and controlled, the rearrangement and densification potential barriers of numerous particles in the charging and discharging process are reduced, the dynamic densification structure of a solid negative pole under low pressure is ensured, and the ion and electron transmission performance is improved.

The application provides a preparation method of a novel nano-enzyme high-efficiency antibacterial agent, and the specific operation steps are as follows: 1, CuAC2 is weighed and dissolved in N,N-dimethylformamide; 2, sodium phenyl dodecyl sulfonate is added, and after stirring for one hour, the mixture is moved into a reaction kettle; 3, thioacetamide is added, and after continuing to stir for 10 minutes, the mixture is sealed; 4, after constant temperature heating in a 180-degree oven for 24 hours, the mixture is taken out, cooled to room temperature, centrifuged, washed and dried, and the powder obtained is the novel nano-enzyme high-efficiency antibacterial agent. The novel nano-enzyme high-efficiency antibacterial agent prepared by the method can generate sufficient ROS (hydroxyl radicals) under the condition of no light, and is used for killing various typical drug-resistant bacteria.

The present application relates to rectification technical field, particularly to a kind of rectification tower system balance full-automatic separation control method, rectification tower system includes rectification I tower, control method includes to rectification I tower is carried out material balance control and gas-liquid equilibrium control, gas-liquid equilibrium control is used to control the amount of backflow of material backflow to rectification I tower;The material balance control includes: detecting the actual feed flow of rectification I tower and the actual liquid level value of the first reflux tank corresponding to rectification I tower, in combination with the overhead take-off component set point of rectification I tower and the overhead take-off component density, the overhead take-off material flow of rectification I tower is calculated and controlled in real time.By the method, the stability and efficiency of rectification tower system are improved, and the energy consumption cost and the volatility problem of product are reduced.

The application provides a deep trench capacitor forming method, which comprises the following steps: forming a deep trench in a substrate, and forming a stacked oxide layer and gate polysilicon layer in the deep trench; sequentially forming an interlayer dielectric layer, a bottom anti-reflective coating and a patterned photoresist layer on the surface of the substrate and the surface of the gate polysilicon on the substrate; using the patterned photoresist layer, introducing etching gas C5F8, O2 and Ar into an etching cavity, setting the etching temperature to be 35-45 DEG C, etching the bottom anti-reflective coating and the interlayer dielectric layer in sequence to form a contact hole in the interlayer dielectric layer and the bottom anti-reflective coating, and the aspect ratio of the contact hole is greater than 4; continuously introducing gas CF4, Ar and CO into the etching cavity; and continuously introducing O2 into the etching cavity. The application removes the polymer deposited on the bottom and sidewall of the contact hole when the interlayer dielectric layer is etched to form the contact hole, and reduces the probability of defects of the deep trench capacitor.

The application discloses an interlayer ordered double transition metal MAX phase material and a preparation method thereof, and comprises the following steps: grinding Mo, V, Al and C element powders to obtain mixed powders; tabletting the mixed powders, performing calcination treatment, and cooling to room temperature to obtain the interlayer ordered double transition metal MAX phase Mo2VAlC2 material. Compared with other discharge plasma sintering or microwave sintering processes in a laboratory, the preparation method is simple, efficient, easy to obtain raw materials and low in cost, and can be further scaled up for industrial production. In addition, the interlayer ordered double transition metal MAX phase Mo2VAlC2 prepared by the application is simple and easy to obtain in terms of raw materials and equipment, and the purity of the obtained product is considerable. In the crystal structure, Mo atoms and V atoms are highly ordered to occupy outer transition metal layers and inner transition metal layers, respectively, and the highly ordered atomic occupation can bring about the regulation potential of physical and chemical properties.

The application relates to the technical field of electronic data digital processing, and discloses a pollution source non-site environmental supervision electronic evidence system combined with hash operation, which comprises the following steps: generating a pseudo-random cryptographic sequence by using a true random number generator, extracting a cross-modal consistency tensor, and generating a dynamic semantic hash through hash operation; adopting an interactive multi-model and an unscented Kalman filter to decouple physical link intrinsic noise, extract adaptive physical micro-entropy; deriving a hardware-level device private key in a trusted execution environment based on a physically unclonable function; performing strong binding signature on multi-dimensional trust features and a time stamp, generating a living body electronic evidence certificate, and completing synchronism and anti-replay verification through a cloud digital twin model. The application extends a trust chain to a bottom layer physical sensing link, realizes identification of AI injected fake data and physical layer tampering behavior, constructs a full-link trust closed loop from a physical source to a cloud judicial solidification, and guarantees the authenticity and non-repudiation of non-site environmental supervision data.