55results about How to "Variable structure" patented technology

The invention discloses a universal preparation process for aluminosilicophosphate (SAPO) molecular sieve materials from natural lamellar aluminosilicate minerals. According to the invention, on the basis of the cheap natural lamellar aluminosilicate minerals, the SAPO molecular sieve materials are prepared by carrying out activation, slurrying of ingredients, hydrothermal crystallization and removal of structure directing agents; the natural lamellar aluminosilicate minerals can be fully used as a composite silicon aluminum source, are enabled to completely dissolve by utilizing the reaction activity of an alumina layer with phosphorous species and structure directing agent species under a hydrothermal condition and utilizing dissolving and coordination capacity of a silica layer in a medium, and can assemble anew to form a variety of SAPO molecular sieve materials under the action of the structure directing agents. The process provided in the invention substantially reduces synthesis cost for SAPO molecular sieves; the prepared molecular sieves have variable structure and composition, controllable silicon content and silicon distribution and adjustable acidic site intensity and acidic site distribution; the prepared SAPO molecular sieve materials have a wide application prospect in the fields of catalysis, adsorption, ion exchange, functional materials, etc.

A respirator 10 that has a mask body 12 and a harness 16 has an exhalation valve 23 that includes a valve seat 36 and a flexible flap 42. The valve seat 36 has an orifice 38 and has a noncircular seal surface 40 surrounding the orifice 38. The flexible flap 42 is secured to the valve seat 36 at a centroid of the orifice and has a variable stiffness structure. The variable stiffness structure allows the flap to equally deflect under a given load at different distances from the centroid at the noncircular seal surface. An exhalation valve having this construction may beneficially optimize pressure drop and overall valve performance for applications where valve space may be limited.

A zoom lens includes a variable aperture-stop mechanism positioned in front or behind an aperture-control lens group; a first rotation imparting member, which rotates an opening / closing ring of the variable aperture-stop mechanism by a relative movement between the variable aperture-stop mechanism and the first rotation imparting member in the optical axis direction so as to hold an adjustable aperture of the variable aperture-stop mechanism at a small aperture size when the aperture-control lens group moves within in the zooming range; and a second rotation imparting member, which rotates the opening / closing ring by a relative movement between the variable aperture-stop mechanism and the second rotation imparting member to open and hold the adjustable aperture at a large aperture size when the aperture-control lens group moves to the accommodated position, at which the aperture-control lens group is partly positioned in the adjustable aperture held at the large aperture size.

The invention belongs to the technical field of transient electromagnetic explorations and more particularly, to a coil for transient electromagnetic explorations and the application method thereof. The transmitting loops and the receiving loops are arranged on the same plane; among the transmission loops, among the receiving loops and among the transmission loops and the receiving loops, they all share the same central point. The turns of the transmission loops and the turns of the receiving loops are all arranged at some intervals; and the turns are all arranged in a spirally winding manner; and they are mutually embedded and sleeved. The numbers of the turns of the receiving loops are greater or equal to those of the transmitting loops. The turns of the transmitting loops can be either in series connection or in parallel connection; the turns of the receiving loops are in series connection only. The coil of the invention can be independently collected or released. And it is also portable. For the intervals among the receiving loops, under the condition that the number of the turns is a fixed one, it is possible to effectively reduce self-inductance and the distribution capacitance so as to shorten the transient process of the coil. In addition, as the transmitting loops and the receiving loops are mutually embedded and arranged at intervals. The mutual inductance coefficient of the two kinds of loops can be reduced so as to favorably obtain early effective signals, reduce the detection blind area in the shallow part, and improve the exploration in shallow layer, making the coil especially applicable to city engineering geophysical prospecting.

The invention provides a system and method for partition electrospinning of multiple materials. The system comprises a multi-spraying-head feeding mechanism and the like, wherein the multi-spraying-head feeding mechanism is located above a receiving component with distance adjustable, the receiving component is fixed above a tray through a support and can be replaced, and a gap is reserved between a conductor and the receiving component; the positive electrode of a high-voltage power supply is connected with the positive electrode of each spray head of the multi-spraying-head feeding mechanism, and the negative electrode of the high-voltage power supply is connected with the conductor; the multi-spraying-head feeding mechanism, the tray and a computer control system are connected, and multi-spraying-head feeding switch of the multi-spraying-head feeding mechanism and rotation or movement of the tray are controlled by the computer control system. The partition electrospinning method and cell electrospinning are combined so that different cells can be distributed on an electrostatic spinning fibrous membrane in a controllable mode, and a three-dimensional structure similar to vascular tissue can be obtained after the electrostatic spinning fibrous membrane is curved.

A solid triggering method for increasing the activity of seeds includes metering the weight of the seeds to be treated, preparing clean sand, regulating the water content of sand to 1-9%, proportionally mixing said seeds with said sand, staying in closed container at 15-25 deg.C for 2-5 days, and drying at ordinary temp for 24-48 hr. Its advantages are high effect, and low cost.

The invention relates to the field of preparation methods of polymers and aims to provide a novel method for preparing a polymer on the basis of a carbon free radical coupling reaction. The novel method for preparing the polymer on the basis of the carbon free radical coupling reaction comprises steps as follows: a dibromide compound, copper and polyamine ae added to a reactor, a deoxidized solvent is added after deoxidization, a product is obtained through a reaction, then the product passes through a neutral alumina column firstly and then is subjected to reduced pressure distillation for removal of an eluting agent added during column passing or addition of a precipitant, and the required polymer is obtained. The synthesis condition is simple, the dibromide compound is convenient to synthesize, the structure is changeable, and the method is a novel convenient and efficient polymer synthesis method; polyaromatic hydrocarbon, polyester, polyether, polysulfone and the like which adopt novel structures can be prepared with the method.

The invention relates to preparation of crosslinked polystyrene, and aims to provide a method for preparing soluble crosslinked polystyrene uniform branch point distribution. The method comprises the following steps: adding multi-arm polystyrene containing a bromine end group, copper powder and polybasic amine ligands into a reactor holding a solvent; stirring after deoxygenation; conducting reaction to obtain soluble crosslinked polystyrene uniform branch point distribution. The method has the advantages that the synthesis conditions are simple, the synthesis of N bromine compounds is convenient, the structure is changeable, the arm length polymerization degree of the N-arm polystyrene containing the bromine end group can be accurately adjusted, and the method is a novel convenient and efficient crosslinked polystyrene synthesis method.

A solid triggering method for increasing the activity of seeds includes metering the weight of the seeds to be treated, preparing clean sand, regulating the water content of sand to 1-9%, proportionally mixing said seeds with said sand, staying in closed container at 15-25 deg.C for 2-5 days, and drying at ordinary temp for 24-48 hr. Its advantages are high effect, and low cost.

The invention discloses a piezoelectric energy harvester device having a shape memory function and a method thereof. The piezoelectric energy harvester device comprises a first clamp, a rechargeable battery pack, a first piezoelectric energy harvester, a second piezoelectric energy harvester and a second clamp. The first piezoelectric energy harvester and the second piezoelectric energy harvesterare bonded through glue; the first clamp, the first piezoelectric energy harvester, the second piezoelectric energy harvester and the second clamp are connected in sequence, and are connected throughbolts and nuts; and the rechargeable battery pack is connected with the first clamp through a screw. The piezoelectric energy harvester device has a shape memory effect and a piezoelectric effect, isunfolded into a cantilever structure during working state and converts the external vibration energy into electric energy for storage, and is folded into a compact structure during non-working state.The piezoelectric energy harvester device can meet application occasions where an aircraft and the like has requirements for space.

The invention discloses a liquid solar cell with variable structure and adjustable photovoltaic effect and a preparation method of the liquid solar cell. The liquid solar cell comprises a container, wherein the container comprises a substrate and a surrounding wall; the surrounding wall is composed of a side wall and a top wall; the surrounding wall is fixed on the substrate to form the container; an upper electrode is arranged on the lower surface of the top wall; a lower electrode is arranged on the upper surface of the substrate; the container is filled with magnetoelectric liquid; the magnetoelectric liquid is prepared by mixing core-shell structure nanoparticles, a hydrophilic surfactant and oily base liquid; the cores of the core-shell structure nanoparticles are magnetic particles; and the claddings are ferroelectric particles. The preparation method of the liquid solar cell comprises the following steps: (1) preparing the upper electrode and the lower electrode; (2) preparing the container; and (3) adding the magnetoelectric liquid to the container to obtain the liquid solar cell.

The invention relates to preparation of polymers and provides a polymer synthesis method using carbon-carbon double bond construction. The method comprises injecting a deoxygenated solvent into a reactor, adding a compound containing double alpha, alpha-dihalo functional groups as monomers, copper and polyamine into the reactor, stirring the materials, carrying out deoxygenation, carrying out polymerization based on carbon-carbon double bond formation at a temperature of 0-60 DEG C for 0.25-12h under conditions of a monomer molar concentration of 0.01-0.1M and a mole ratio of the monomer, copper to polyamine of 1: 1: 1 to 1: 3: 3, and carrying out separation and purification to remove the unreacted copper and copper complex so that a carbon-carbon double bond-containing polymer is obtained. The method has the advantages of mild synthesis conditions, convenient synthesis of a dibromo-compound and product structure controllability. The method is a convenient and efficient novel method for synthesizing a polymer with a carbon-carbon double bond in a main chain. The method can prepare a polyaromatic hydrocarbon with a novel structure and can produce a main chain-conjugated polymer with photoelectric functions under relatively mild conditions.

The invention relates to the field of crosslinked polymer preparation and aims at providing a method for preparing crosslinked polystyrene or crosslinked copolymer. The method comprises the steps of taking micromolecule polybromide, styrene monomer, polyamine ligand and solvent for a reaction and deoxidation, and adding copper powder under protection of nitrogen; conducting a reaction to obtain the crosslinked polystyrene with branch point distribution measurable; or treating dobby polyoxyethylene brominated with the end group or other macromolecule polybromide as initiator instead of micromolecule polybromide, so that crosslinked copolymer with branch point distribution measurable is obtained under the same reaction condition. The method is simple in synthesis condition, and polybromide is convenient to synthesize and variable in structure; a divinyl monomer does not needed to be added as a cross-linking agent; a product is high in reactivity, the method is simple and convenient, and the preparation condition is mild; degradable branch points are available, and the crosslinked polystyrene different in function can be prepared by changing the varieties of the macromolecule polybromide. High potential application value is achieved.

The invention relates to an electric transmission comprising an input shaft (10, 11) adapted to be connected to a control device such as an internal combustion engine. The input shafts (10, 11) are connected to the output shafts (20, 66) through power transmission means (88, 66). Wherein, the power transmission device (88, 66 and 18, 26, 42, 44) includes a magnet (18, 42, 88) connected to the input shaft (10, 11), and the magnet induces electric power to enter and connect to the output shaft (20, 60) Connected coils (26, 66). A magnetic field that rotates the output shaft (20, 60) is generated by switching means (46, 68) connected to the coil (26, 66).

The invention relates to a composite plate and in particular to a wood-based three-dimensional hollow composite plate which comprises an upper surface plate and a lower surface plate, wherein a foamed layer is arranged between the upper surface plate and the lower surface plate; a 3D hollow fabric reinforced composite material layer is arranged between the upper surface plate and the foamed layer; another 3D hollow fabric reinforced composite material layer is arranged between the lower surface plate and the foamed layer; and adhesive layers are arranged between the upper surface plate and the 3D hollow fabric reinforced composite material layer, between the 3D hollow fabric reinforced composite material layer and the foamed layer and between the lower surface plate and the 3D hollow fabric reinforced composite material layer. The structural strength, the rigidity, the heat preservation and the sound insulation of the wood-based three-dimensional hollow composite plate provided by the invention are superior to those of a conventional 'sandwiched' foamed plate, the plate can be widely used as walls, door plates and floors, and the products are relatively good in universality, random in appearance shape design, good in attractiveness, simple in production method, relatively low in cost and good in market value.

The invention discloses a multilayer integrated multi-angle edge nest hole and core hole structure, which comprises various combined structural templates, members and a structural assembly thereof. The multilayer integrated multi-angle edge nest hole and core hole structure with three, four, five and six angle edges and the like is formed. The structure has the improvement and innovation that: the honeycomb cavity and three-layer cemented composite structure of the known technology is improved into the three-layer integrated structure of nest hole and core hole multi-angle edge and multilayer combination, wherein the core layer is not compounded with the upper and lower surface layers in the three-layer integrated structure. Compared with the prior art, the multilayer integrated multi-angle edge nest hole and core hole structure has the characteristics of reasonable structural design, high strength, low cost, wide application range and the like, and is easy to produce, so the structure has good popularization and use value.

The invention relates to a preparation method of organic compounds and provides a method for preparing a trans-diphenylethylene compound. The method comprises adding a gem-dibromomethyl aromatic hydrocarbon compound, copper and polyamine into a reactor in the presence of a solvent, carrying out deoxidizing treatment, adding an oxygen-free water-free solvent into the reactor, carrying out a coupling reaction process to obtain C-C- double bonds, and carrying out separation and purification to obtain the trans-diphenylethylene compound. The method has mild synthesis conditions and has good reaction compatibility to different functional groups. The gem-dibromomethyl aromatic hydrocarbon compound as a raw material is easy to synthesize, may have different substituent groups and has a variable structure. The product obtained by coupling a raw material can be simply treated and has high purity. The asymmetric trans-diphenylethylene compound can be prepared from two different raw materials.

The invention relates to a preparation method of a polymer, and provides a novel method for preparing a copolymer based on a co-coupling reaction of two different kinds of carbon free radicals. The novel method for preparing the copolymer based on the co-coupling reaction of the two different kinds of carbon free radicals comprises the steps that the mixture of two kinds of dibromo compounds, copper and polyamine are added into a reactor, a deoxy solvent is added after deoxidation, a reaction is carried out at 20-80 DEG C for 1-4 h, then unreacted copper and copper complex are removed, and therefore the needed polymer is obtained. The method is the novel polymer synthesis method which is convenient to implement and efficient, the synthesis condition is simple, the dibromo compounds are convenient to synthesize, the structure is variable, and polyaromatic hydrocarbon, polyester, polyether, polysulfone and the like of the novel structure can be prepared.

The invention belongs to the technical field of transient electromagnetic explorations and more particularly, to a coil for transient electromagnetic explorations and the application method thereof. The transmitting loops and the receiving loops are arranged on the same plane; among the transmission loops, among the receiving loops and among the transmission loops and the receiving loops, they all share the same central point. The turns of the transmission loops and the turns of the receiving loops are all arranged at some intervals; and the turns are all arranged in a spirally winding manner; and they are mutually embedded and sleeved. The numbers of the turns of the receiving loops are greater or equal to those of the transmitting loops. The turns of the transmitting loops can be either in series connection or in parallel connection; the turns of the receiving loops are in series connection only. The coil of the invention can be independently collected or released. And it is also portable. For the intervals among the receiving loops, under the condition that the number of the turns is a fixed one, it is possible to effectively reduce self-inductance and the distribution capacitance so as to shorten the transient process of the coil. In addition, as the transmitting loops and the receiving loops are mutually embedded and arranged at intervals. The mutual inductance coefficient of the two kinds of loops can be reduced so as to favorably obtain early effective signals, reduce the detection blind area in the shallow part, and improve the exploration in shallow layer, making the coil especially applicable to city engineering geophysical prospecting.

The invention discloses a display and experience device for Chinese traditional culture, and relates to the field of traditional culture propaganda devices. The display and experience device comprisesa first display board, a second display board, a third display board, a fourth display board, a fifth display board and a sixth display board. The display and experience device is characterized in that the first display board, the second display board, the third display board, the fourth display board, the fifth display board and the sixth display board are connected end to end in a clamping manner. The display and experience device can not only display the Chinese traditional culture through visual display and video display, but also enable people to experience the Chinese traditional culture through practical hands-on operations; the structure of the whole device is changeable, and convenient to move, so that the device is quite suitable for displaying and experiencing the Chinese traditional culture.

A zoom lens includes a variable aperture-stop mechanism positioned in front or behind an aperture-control lens group; a first rotation imparting member, which rotates an opening / closing ring of the variable aperture-stop mechanism by a relative movement between the variable aperture-stop mechanism and the first rotation imparting member in the optical axis direction so as to hold an adjustable aperture of the variable aperture-stop mechanism at a small aperture size when the aperture-control lens group moves within in the zooming range; and a second rotation imparting member, which rotates the opening / closing ring by a relative movement between the variable aperture-stop mechanism and the second rotation imparting member to open and hold the adjustable aperture at a large aperture size when the aperture-control lens group moves to the accommodated position, at which the aperture-control lens group is partly positioned in the adjustable aperture held at the large aperture size.

The invention discloses a liquid solar cell having a changeable structure and adjustable photovoltaic effects, and a preparation method thereof. The liquid solar cell comprises a container which comprises a substrate and an enclosing wall, wherein the enclosing wall is composed of sidewalls and a top wall; the enclosing wall is fixed on the substrate to form the container with a sealed structure; the lower surface of the top wall is provided with upper electrodes; the upper surface of the substrate is provided with a lower electrode; the container is filled with ferroelectric liquid; the ferroelectric liquid is composed of ferroelectric nanometer particles, lipophilic surfactants and oily base fluid. The liquid solar cell preparation method comprises the steps of: 1) preparing the upper electrodes and the lower electrode; 2) preparing the container with the upper electrodes and the lower electrode; and 3) preparing the liquid solar cell: mixing the ferroelectric nanometer particles, the lipophilic surfactants and the oily base fluid to obtain ferroelectric liquid, and adding the ferroelectric liquid to the container to obtain the liquid solar cell.

A dishwasher having a washing container, a sorption dryer device connected to the washing container in an air-conducting fashion, and at least one flow-conditioning device to homogenize a flow cross-section profile of an airflow as the airflow flows through the sorption dryer device. The flow-conditioning device is provided for the sorption unit between at least one heating element and the sorption unit of the sorption dryer device when viewed in the direction of the airflow such that essentially every point of an intake cross-section area of the sorption unit of the sorption dryer device is permeated by a volumetric airflow with essentially the same intake temperature.

The invention discloses a multifunctional LVS water inspection fixing tool. The multifunctional LVS water inspection fixing tool comprises a frame, an upper air cylinder compressing mechanism (1), a lower fixing seat mechanism (2) and a plurality of pinhead blowing mechanisms (3). The lower fixing seat mechanism (2) is detachably fixed into the frame. An LVS product (9) is arranged on the lower fixing seat mechanism (2). The upper air cylinder compressing mechanism (1) is detachably fixed to the top of the frame, and can get close to or get away from the LVS product (9) in the vertical direction for positioning or loosening. The multiple pinhead blowing mechanisms (3) are arranged around the LVS product (9). One ends of the pinhead blowing mechanisms (3) are detachably connected to the frame and connected with a blowing pipe, and the other ends of the pinhead blowing mechanisms (3) are aligned with and communicate with a pipe opening of the LVS product (9). The multifunctional LVS water inspection fixing tool is simple in structure and convenient to adjust, and can adapt to different LVS for water inspection and fixation. Detection accuracy is guaranteed, and production efficiencyis improved.

The invention relates to the field of preparation of cross-linked polymers, and aims to provide a method for preparing an acrylate cross-linked copolymer by a one-step method. The method comprises thefollowing steps: adding a free radical polyfunctionality initiator PFI, an acrylate monomer, a comonomer and a polyamine ligand into a reactor, and adding a proper amount of a solvent; after deoxidation, adding copper powder under the protection of nitrogen; then reacting for 12 to 630 minutes at the temperature of 40 to 110 DEG C; and after the reaction is finished, extracting with a solvent toremove unreacted monomers and small molecular components, thereby obtaining the acrylate cross-linked copolymer. According to the invention, the acrylate cross-linked copolymer can be prepared by theone-step method through free radical copolymerization of a monovinyl monomer (without a divinyl monomer); the synthesis conditions are simple, for example, PFI synthesis is convenient, and the structure and the functionality are variable; the monomer is a commercial reagent; the functionality of a branching point of the prepared product is variable, the product has a breakable branching point, thebreakable cross-linkable copolymer can be converted into a linear chain segment after being broken, and the average molecular weight and molecular weight distribution of the chain segment can be measured.

The invention provides a skidding device applicable to ice and snow surfaces, belongs to the technical field of ice and snow utensils, and particularly relates to a skidding device applicable to ice and snow surfaces. The problem that an existing ice sliding device is strong in professionalism, high in site requirement, difficult for a beginner to use and easy to hurt the beginner, and thus the use of the existing ice sliding device is limited is solved. The device comprises a skidding shoe body, brake systems and two pathways, wherein the skidding shoe body comprises a front shoe body, a rearshoe body and a connector; a shoe head cap is arranged on the front shoe body; a shoe tail cap is arranged on the rear shoe body; sliding chutes are respectively formed in the bottom surfaces of thefront shoe body and the rear shoe body; the two ends of the two pathways are respectively connected with the sliding chutes formed in the bottom surfaces of the front shoe body and the rear shoe bodyin a sliding manner; nuts are arranged at joints of the pathways and the sliding chutes, and the positions of the pathways are fixed via the nuts. The skidding device is mainly used for skidding on the ice and snow surfaces.

The invention discloses an endoscope with a self-adaptive light source, and belongs to the technical field of medical instruments, the endoscope comprises a mounting base, two mounting plates are fixedly mounted at the top of the mounting base, a handle is fixedly mounted at the bottom of the mounting base, an outer stroke groove is formed in the side wall of the handle, and a gastroscope hose is arranged at the bottom of the handle; the self-adaptive light source gastroscope monitor is adopted, in the using process of the gastroscope, the self-adaptive light source gastroscope monitor can automatically adjust the illumination brightness according to the brightness degree of light in the stomach, manual adjustment is not needed, intelligence is achieved, the control assembly is arranged in the self-adaptive light source gastroscope monitor, and during examination, the angle of the gastroscope assembly can be rapidly and conveniently adjusted through the control assembly, the observation area of the gastroscope assembly can be effectively switched, adjustment of the gastroscope assembly can be achieved without assistance of an electronic structure, adjustment is conducted through a pure physical structure, the overall cost of the structure is reduced, the structure is simple, and the failure rate is low.

The invention relates to preparation of an organic compound, and aims to provide a preparation method of diaryl acetylene compounds. The preparation method includes steps of adding associated tribromomethylarene compound and copper in a reactor to perform deoxidizing treatment; dissolving polyamine in a proper amount of anhydrous and oxygen-free solvent, and then adding to the reactor; performingcoupling reaction at 30-80DEG C for 3-12 hours; separating and purifying to obtain diaryl acetylene compounds. The preparation is gentle in synthesis condition and the reaction has good compatibilityto different functional groups; the raw material associated tribromomethylarene compound is convenient to compound and has different substituent groups and variable structure; by adopting one raw material, high-quality product can be obtained through simple treatment, and the output is high; by adopting two different raw materials, the asymmetrical diaryl acetylene compound can be prepared.