搁脚扣件

电动车整车（超霸L-G)

电动车整车（YO兔)

电动车整车（团团-G)

透气鞍座

电动车整车（小白兔-G)

ALUMINOSILICATE GLASS COMPOSITION, ALUMINOSILICATE GLASS, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

An aluminosilicate glass composition, aluminosilicate glass, and a preparation method therefor and an application thereof. By using the total molar amount of the aluminosilicate glass composition as a baseline, in oxides, the aluminosilicate glass composition comprises 67‑74 mol% of SiO2, 10‑15 mol% of Al2O3, 0‑5 mol% of2O3, 1‑10 mol% of MgO, 1‑10 mol% of CaO, 0-3 mol% of SrO, 2-8 mol% of BaO, 0.1-4 mol% of ZnO, 0.1-4 mol% of RE2O3, and less than 0.05 mol% of R2O, wherein RE is a rare earth element and R is an alkali metal.

电动车整车（潮玩L-G)

后尾牌支架（V6PLUS）

脚搁

后尾牌

电动车整车（V1L-G)

拆除两轮车曲柄工具

Glass composition and preparation method and application thereof

... 本发明公开了种玻璃组合物，以所述玻璃组合物的总摩尔数值为100％计，所述玻璃组合物包括40‑65mol％的SiO、10‑22mol％的AlO、3‑18mol％的PO、12‑20mol％的NaO和0.01‑5mol％的ZnO；所述玻璃组合物具有较高的杨氏模量，适合于化学强化工艺，强化后的玻璃机械性能好，抗破坏和跌落。本公开还提供了所述玻璃组合物的制备方法和应用，经过化学强化后的玻璃组合物具有较高的压缩应力与断裂韧性，适用于各种触摸屏设备，尤其是曲面显示屏设备。 ...

Feeding correction device and chip mounter

The invention provides a feeding correction device and a chip mounter. The feeding correction device comprises a mounting base; the carrier body is used for supporting and fixing a product; the power driving assembly is mounted on the mounting seat and connected with the carrier body; the feeding correction seat is mounted on the mounting seat; and the two correction units are installed on the feeding correction base and used for correcting products on the carrier body when the power driving assembly drives the carrier body to penetrate through. The carrier body is installed on the power driving assembly, and the power driving assembly can drive the carrier body to achieve reciprocating motion; the two correction units are installed on the feeding correction base, and the carrier body can penetrate through the channel formed between the two correction units. When the power driving assembly drives the carrier body to pass through the channel, the two correction units on the two sides of ...

COMPOSITION FOR GLASS, AND ALUMINOSILICATE GLASS AND PREPARATION METHOD THEREFOR AND USE THEREOF

A composition for glass, and an aluminosilicate glass and a preparation method therefor and use thereof. The composition for glass comprises, in terms of oxides, 62-69 mol% of SiO2, 11-15 mol% of Al2O3, 0-3 mol% of B2O3, 7-11 mol% of MgO, 2-8 mol% of CaO, 3-8 mol% of SrO, 0-2 mol% of BaO, 0.01-2 mol% of ZnO, 0.02-0.65 mol% of RE2O3, and less than 0.05 mol% of R2O; RE is a rare earth element, and R is an alkali metal.

Abnormality prediction method, system and device based on intelligent disk monitoring and storage medium

The invention discloses an anomaly prediction method, system and device based on intelligent disk monitoring and a storage medium, and the method comprises the steps: selecting corresponding device parameters according to a to-be-monitored device, and building an anomaly prediction model; acquiring a boundary parameter of the to-be-monitored device, and inputting the acquired boundary parameter and the preset early warning parameter into the anomaly prediction model to obtain an anomaly probability value of the early warning parameter when the boundary parameter is given; and comparing the abnormal probability value with a global probability threshold value, and if the abnormal probability value is smaller than the global probability threshold value, triggering an abnormal prompt by the abnormal prediction model. According to the method, the occurrence probability of the sensor measurement data can be normalized along with the change of the equipment working condition, misleading on health ...

Intelligent two-ticket video linkage method and system for power plant

The invention discloses an intelligent two-ticket video linkage method and system for a power plant, and the method comprises the steps: obtaining two-ticket operation information, the operation information comprises a two-ticket operation region and two-ticket operation time, and the operation region is internally provided with monitoring equipment for monitoring the two-ticket operation region; when a trigger instruction of the two-ticket operation time is received, switching a main interface of the control terminal to a two-ticket video linkage interface, and calling the monitoring equipment to obtain a real-time working picture of an operation site; loading a real-time operation picture in a two-ticket operation area uploaded by the monitoring equipment on the two-ticket video linkage interface, and judging whether violation exists in the operation picture or not; and when violation exists in the operation picture, an alarm picture and alarm information are pushed to the two-ticket ...

ALUMINOBOROSILICATE GLASS AND PREPARATION METHOD AND APPLICATION THEREOF

An aluminoborosilicate glass and a preparation method and application thereof. The composition of the glass comprises: 33-60 wt% of SiO2, 3-10 wt% of Al2O3, 10-30 wt% of B2O3, 1-15 wt% of ZnO + TiO2 + Sc2O3, and 7-27 wt% of a rare-earth metal oxide RO, based on the total weight of each component in the composition of the glass, wherein RO is at least one of MgO, CaO, SrO, and BaO, and 0.001 wt% ≤ Sc2O3 ≤ 1 wt%. The aluminoborosilicate glass has features of low density, high refractive index, low coefficient of thermal expansion, high thermal stability, high flexibility, easy to bend, etc.

ALKALI-FREE GLASS SUBSTRATE AND PREPARATION METHOD THEREFOR

An alkali-free glass substrate and a preparation method therefor. The corrosion amount of the alkali-free glass substrate soaked for 20min in an HF solution with the concentration of 10 weight percentage is less than 5.5mg/cm2. Based on the total molar amount of each component in the composition, the alkali-free glass substrate comprises 70-74mol% of SiO2, 11-14mol% of Al2O3, 0-2.5mol% of ZnO, 10-17mol% of RO and 0.01-2mol% of RE2O3, RO being at least one of MgO, CaO, SRO and BaO, and RE2O3 being at least one of Y2O3, La2O3, Gd2O3, Ce2O3, Yb2O3 and Lu2O3. The preparation method comprises: mixing the components, and then sequentially carrying out melting, deaeration, homogenization, forming, cooling, cutting, polishing, washing and drying.

NON-ALKALI ALUMINUM SILICATE GLASS, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

A non-alkali aluminum silicate glass, a preparation method therefor and an application thereof. When the non-alkali aluminum silicate glass is at temperature of 1600°C, the electrical resistivity of the glass melt is less than or equal to 200 Ω·cm; when the viscosity of the glass is 35000 poises, the corresponding temperature T35000 is greater than or equal to 1250°C; when the viscosity of the non-alkali aluminum silicate glass is 1013 poises, the corresponding annealing point is greater than or equal to 790°C. Using the total molar amount of oxide as a basis, the non-alkali aluminum silicate glass contains 69-73 mol% of SiO2, 11-15 mol% of Al2O3, 0-2 mol% of B2O3, 2-8 mol% of MgO, 2-8 mol% of CaO, 0-3 mol% of SrO, 3-10 mol% of BaO, 0.1-2 mol% of ZnO, 0.02-0.7 mol% of RE2O3, 0.01-0.5 mol% of Se2O3 and less than 0.05 mol% of R2O, wherein RE is a rare earth element and R is an alkali metal.

COMPOSITION FOR GLASS, ALKALI ALUMINOSILICATE GLASS, AND PREPARATION METHOD THEREFOR AND APPLICATIONS THEREOF

A composition for glass, alkali aluminosilicate glass, and a preparation method therefor and applications thereof. Based on the total number of moles of each component and the counting of oxides, the composition contains 68-73mol% of SiO2, 11.5-15mol% of Al2O3, 2-6mol% of MgO, 2.5-7.5mol% of CaO, 0-3mol% of SrO, 2-7mol% of BaO, 0-4mol% of ZnO and 0.05-1.5mol% of TiO2. The glass has a high strain point, a high Young's modulus, a high specific modulus, a high Vickers hardness, high chemical stability, a high refractive index and high glass formation stability, and has a lower forming temperature, a lower melting temperature, a lower thermal expansion coefficient, a lower surface tension, a lower density, and low glass manufacturing difficulty.

GLASS COMPOSITION, LOW INCLUSION CONTENT GLASS, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

The present invention relates to the field of glass manufacturing, and disclosed thereby are a glass composition, a low inclusion content glass, a preparation method therefor and an application thereof. The composition contains 50-64 wt% of SiO2, 14-24 wt% of Al2O3, 0-7 wt% of B2O3+P2O5, 0.5-7 wt% of MgO, 1-10 wt% of CaO, 0-9 wt% of SrO, 0.1-14 wt% of BaO, 0.1-5 wt% of ZnO, 0.1-4 wt% of TiO2, 0.1-7 wt% of Y2O3+La2O3+Nd2O3, and <0.05 wt% of R2O, wherein R2O is the sum of Li2O, Na2O, and K2O, and the composition satisfies the following conditions: (1) the temperature T100 corresponding to a viscosity of 100 poise is 1730°C or higher; (2) the surface tension at 1300°C is lower than 420 mN/m. The glass prepared by the glass composition and the low inclusion content glass preparation method has the advantages of having low inclusion content, having a simple preparation process, being low cost and so on.

Incremental-pushing-free construction method for cable saddle of cable-stayed and suspension cable cooperative system bridge

The invention discloses a cable saddle pushing-free construction method for a cable-stayed and suspension cable cooperative system bridge, which sequentially comprises the following steps of: building a shell of a bridge main tower, and installing a main cable saddle; part of the main beam sections are installed, and the main beam sections are temporarily and fixedly connected; according to the method, side span stay cables of a cable-stayed bridge section of a bridge are tensioned, a main tower is made to deviate towards the side span side, the number of the tensioned stay cables needs to be guaranteed, when a suspension bridge main cable is erected on an existing tower beam structure, the unstressed length of a side middle span cable section of the suspension bridge main cable is kept consistent with a design target, and meanwhile the suspension bridge main cable does not slide in a saddle groove of a main cable saddle; mounting a main cable of the suspension bridge; the anti-sliding ...

COMPOSITION FOR PREPARING GLASS, GLASS PRODUCT AND USE

The invention discloses a composition for preparing glass, a glass product and a use, and a glass product made from the composition. The glass product is preferably a glass substrate having a composition with a value of M being from about 1 to about 10 calculated by the empirical formula: M = 0.13 × wt (B2O3) × wt (B2O3) + 0.42 × wt (CaO) + 0.55 × wt (MgO) + 0.75 × wt (SrO) - 0.05 × wt (Al2O3) × wt (Al2O3). A use of the glass product (especially glass substrate) for manufacturing a display device has effects of reducing the content of solid inclusions and gas inclusions, and resolving extremely poor thickness and warpage.

COMPOSITION FOR GLASS, AND ALUMINOSILICATE GLASS, PREPARATION METHOD THEREFOR, AND USE THEREOF

A composition for glass, and aluminosilicate glass, preparation method therefor, and use thereof. In molar percentage, in the composition, the total content of SiO2, B2O3, P2O5, GeO2, and TeO2 is 60-85mol％; the total content of Al2O3 and Ga2O3 is 3-20mol％; the total content of ZnO and Y2O3 is 0.1-5mol％; the total content of alkaline earth metal oxide is 4-30mol％. The glass has a high strain point, a low melting temperature, and a high thermal expansion coefficient, has good toughness, and is suitable for large-scale industrial production.

Table structure identification method based on cascade decoding

The invention relates to a table structure identification method based on cascade decoding, and belongs to the technical field of semi-structured text generation. The method comprises the following steps: firstly, inputting a table image into an encoder for encoding so as to capture visual features of the input table image; respectively inputting coding results into a row decoder and a cell decoder; the method comprises the following steps: firstly, independently inputting a coding result into a row decoder for decoding to obtain marks such as a header, a body and rows; inputting a coding result and a decoding result of the row decoder into a cell decoder for decoding to obtain a cell mark and a cell row-column span attribute; and finally, fusing decoding results of the two decoders to obtain a structured HTML sequence representation of a corresponding table image. According to the method, the coding result is decoded on the two layers of rows and cells respectively, and a hierarchical ...

COMPOSITION FOR GLASS, GLASS, PREPARATION METHOD AND APPLICATION THEREOF

The invention provides a composition for glass, a glass, and a preparation method and application thereof. Based on oxides, the composition for glass contains 45-64 wt% of SiO2, 16-26 wt% of A12O3, 0.1-2 wt% of MgO, 10-17 wt% of Na2O, 0.5-15 wt% of P2O5, and optionally 0-2 wt% of TiO2. The glass prepared from the composition for glass has a higher chemical resistance, a higher strain point, and a higher compressive stress and a depth of the compressive stress layer formed on the glass surface, and the glass has a higher Young's modulus.

Goods transportation equipment based on Internet of Things

The cargo transportation equipment based on the Internet of Things comprises a transportation forklift, a battery box is installed in the transportation forklift, infrared sensors are installed on the two sides of the transportation forklift, a first hydraulic cylinder is installed at the top of one end of the transportation forklift, a first pallet fork is installed at the bottom of the first hydraulic cylinder, and a second pallet fork is installed at the bottom of the second hydraulic cylinder. A second hydraulic cylinder is installed at the top of the other end of the transportation forklift, a second pallet fork is installed at the bottom of the second hydraulic cylinder, wheels are installed on the two sides of the bottom of the transportation forklift, and a control box is installed at the top of the transportation forklift. The forklift is simple in structure, convenient to use, capable of monitoring surrounding obstacles during moving, capable of achieving the purpose of avoiding ...

Optical glass, preparation method thereof and glass product for display

The invention provides optical glass, a preparation method thereof and a glass product for display, and relates to the technical field of optical glass. The optical glass comprises the following components: 3.0 to 50.0 wt% of SiO2; the content of B2O3 is 0.01 to 15.0 wt%; the content of Li2O + Na2O + K2O is 0.01 to 15.0 percent by weight; the content of BaO is 5.0 to 40.0 wt%; the content of TiO2 is 10.0 to 45.0 percent by weight; the content of ZrO2 is 0.8 to 15.0 percent by weight; the content of Nb2O5 is 10.0 to 55.0 percent by weight; and the content of La2O3 is 5.0 to 45.0 wt%. The optical glass has the advantages of high refractive index, high transmittance, high strength, appropriate expansion coefficient, Vickers hardness and low density, does not contain antimony, arsenic and other oxides which are harmful to the environment, has good mechanical properties, is easy to grind and polish, does not cause scratches to the optical glass, is easy to produce and manufacture, and has high ...

Porous oxide solid electrolyte, preparation method and application thereof, and lithium ion battery

The invention relates to the technical field of lithium ion batteries, and discloses a porous oxide solid electrolyte, a preparation method and application thereof, and a lithium ion battery. The preparation method comprises the following steps: (1) pressing a first mixture containing an oxide solid electrolyte raw material and a pore-forming agent into a sheet to obtain a solid electrolyte sheet A; (2) calcining the solid electrolyte sheet A to obtain a solid electrolyte sheet B; (3) contacting and mixing the solid electrolyte sheet B with an acid solution to obtain a solid electrolyte sheet C; and (4) drying the solid electrolyte sheet C to obtain the porous oxide solid electrolyte. The porous oxide solid electrolyte prepared by the method provided by the invention has relatively good rate capability after being applied to the lithium ion battery.

Method for measuring sulfur content in glass

The invention provides a method for measuring sulfur content in glass. The method comprises the following steps: 1) drying glass powder; the particle size of the glass powder is less than 80 microns; 2) digesting the dried glass powder with hydrofluoric acid, and oxidizing the sulfur element in the glass powder into sulfate ions with nitric acid and perchloric acid to obtain a to-be-detected sample solution; (3) determining the content of sulfate ions in the sample solution to be detected through ion chromatography; and 4) calculating the sulfur content in the glass according to the content of the sulfate ions. The technical problem to be solved by the invention is how to provide the method for determining the sulfur content in the glass, so that the detection result is accurate and reliable, and the precision is high.

Catalyst layer for hydrogen fuel cell, preparation method of catalyst layer, membrane electrode and hydrogen fuel cell

The invention relates to the field of fuel cells, and discloses a catalyst layer for a hydrogen fuel cell, a preparation method of the catalyst layer, a membrane electrode and the hydrogen fuel cell. The preparation method comprises the following steps: grinding and mixing catalyst particles and a pore-forming agent solid iodine to obtain a mixture; wherein the catalyst particles comprise a carbon carrier and a noble metal loaded on the carbon carrier; the weight ratio of the pore-forming agent to the carbon carrier is (0.001-0.01): 1; then, in the presence of a solvent, contacting the mixture with an ionic polymer, and stirring and dispersing; and finally, sequentially coating and drying the obtained catalyst layer slurry. According to the preparation method provided by the invention for preparing the catalyst layer for the hydrogen fuel cell, a specific amount of pore-forming agent (solid iodine) is added, so that a large number of net structures can be generated in the ionic polymer, ...

Chip mounter

The invention provides a chip mounter. The chip mounter comprises a feeding assembly, a carrier assembly used for supporting and fixing a product, a material moving assembly used for moving the product to the carrier assembly, a material supply assembly used for supplying a to-be-mounted piece, and a chip mounting assembly used for mounting the product on the to-be-mounted piece. Automatic surface mounting is achieved through the feeding assembly, the rail front image assembly, the rail front material blowing assembly, the carrier assembly, the rail front correction assembly, the material moving assembly, the material supplying assembly and the surface mounting assembly. Images of products conveyed by the feeding assembly can be obtained through the rail front image assembly, and the appearance quality, the position, the direction and the like of the products can be recognized. If flaws and vertical materials exist in the products, the products are removed by the pre-rail blowing assembly ...

Aluminosilicate glass composition, aluminosilicate glass as well as preparation method and application of aluminosilicate glass

The invention relates to the field of glass preparation, and discloses an aluminosilicate glass composition, aluminosilicate glass as well as a preparation method and application of the aluminosilicate glass. Based on the total molar mass of the composition, the composition comprises 55 to 72 mol% of SiO2, 0.1 to 10 mol% of B2O3, 0.01 to 5 mol% of P2O5, 8 to 25 mol% of Al2O3, 4 to 15 mol% of Li2O, 3 to 15 mol% of Na2O, 0 to 5 mol% of K2O, 0 to 5 mol% of CaO, 0.01 to 5 mol% of MgO, 0 to 5 mol% of SrO, 0 to 3 mol% of ZnO, 0 to 5 mol% of BaO, 0 to 3 mol% of TiO2 and 0.01 to 1 mol% of a clarifying agent. According to the aluminosilicate glass prepared from the aluminosilicate glass composition, the productivity parameter N is smaller than or equal to 3, and the requirements of the production and manufacturing process can be met while the mechanical performance is improved.

Method for improving binding force between glass film layers, microcrystalline glass and application

The invention provides a method for improving binding force between glass film layers, microcrystalline glass and application. The method comprises the following steps: obtaining a glass sample with a multi-layer structure; activating a fitting area between the layer structures to form an activated layer; and the surface of the activation layer is hydroxylated, so that the binding force between the film layers can be increased. According to the invention, the bonding area between the layers in the multi-layer structure glass product is processed into the hydroxylated layer structure, and the wettability between the film layers can be increased based on the hydroxylated layer structure, so that the purpose of increasing the binding force of the film layers is achieved. Therefore, the method provided by the invention has a wide application prospect in preparation of glass products with multilayer structures.

Glass, preparation method thereof and glass substrate

The invention relates to the field of glass, and discloses glass, a preparation method thereof and a glass substrate. Based on the total weight of the glass, the glass comprises the following components: 55-65 wt% of SiO2; al2O3: 10 to 25 wt%; b2O3: 10 to 25 wt%; mgO: 0.5 to 6 wt%; caO: 0.5 to 6 wt%; znO: 0.1 to 4% by weight; y2O3: 0.01 to 5% by weight; and CeO2: 0.01 to 2 wt%. The glass provided by the invention has good comprehensive performance, the attenuation of electromagnetic wave signals is low under a high-frequency condition, the Young modulus is greater than 70GPa, and a glass substrate prepared from the glass provided by the invention can simultaneously meet the signal transmission requirement and the rigidity requirement in a high-speed and high-frequency environment.

Oxide solid electrolyte and preparation method and application thereof

The invention provides an oxide solid electrolyte and a preparation method and application thereof. The preparation method of the oxide solid electrolyte comprises the following steps: 1) adding lithium stearate into oxide solid electrolyte powder, and uniformly stirring; and 2) carrying out medium-low temperature calcination and cooling to obtain the oxide solid electrolyte. The technical problem to be solved by the invention is how to provide the oxide solid electrolyte and the preparation method thereof, so that the oxide solid electrolyte prepared by the method is low in grain boundary impedance and high in ionic conductivity, and a solid-state battery assembled by the oxide solid electrolyte has relatively low impedance and relatively good rate capability; meanwhile, the method can realize the technical effects by calcining under medium and low temperature conditions, avoids the defect of high energy consumption of high-temperature calcination in the prior art, and is very beneficial ...

Composition for preparing ultra-thin glass, ultra-thin glass and preparation method and application of ultra-thin glass

The invention relates to the technical field of ultra-thin flexible glass, and discloses a composition for preparing ultra-thin glass, the ultra-thin glass, and a preparation method and application of the ultra-thin glass. The composition contains silicon dioxide, aluminum oxide, sodium oxide, potassium oxide, barium oxide, zinc oxide, magnesium oxide, calcium oxide and strontium oxide which are stored independently or stored in a mixed mode of two or more of silicon dioxide, aluminum oxide, sodium oxide, potassium oxide, barium oxide, zinc oxide, magnesium oxide, calcium oxide and strontium oxide. By adopting the composition provided by the invention, the ultra-thin glass with excellent flexibility and bending resistance can be prepared, and the ultra-thin glass is very suitable for being used as a supporting material of a bending or folding display device.

Method for measuring content of boron oxide in low-boron glass by volumetric method and application

The invention relates to the field of low-boron glass component detection, and discloses a method for measuring the content of boron oxide in low-boron glass through a volumetric method and application. The method provided by the invention comprises the following steps: sequentially carrying out dissolution treatment, precipitation treatment and filtration treatment on low-boron glass, and recording filtrate as a test solution I; sequentially adding a methyl red indicator and disodium EDTA (Ethylene Diamine Tetraacetic Acid) into the test solution I, and calibrating the test solution I to be yellow to obtain a test solution II; adding a bromocresol green indicator, mannitol and a phenolphthalein indicator into the test solution II to obtain a test solution III, titrating the test solution III by adopting an alkali solution until the green is mutated into purple, preparing a blank sample, and calculating to obtain the content of boron oxide in the low-boron glass. According to the method ...

Warehouse cargo management system

The invention discloses a warehouse cargo management system, which comprises monitoring management equipment, a cargo storage rack and a control box, and is characterized in that the cargo storage rack is mounted in a warehouse, the monitoring management equipment is mounted on a corridor of the cargo storage rack, and the control box is mounted on the outer side of the warehouse; the monitoring management device is composed of a side frame, a movable frame and a vertical frame. The goods management system comprises a side frame, first sliding grooves are formed in the two sides of the side frame, first lead screws are arranged in the first sliding grooves, first sliding blocks are connected to the first lead screws in a threaded mode, a movable frame is installed on the tops of the first sliding blocks, and second sliding grooves are formed in the tops of the movable frames. According to the invention, the system is simple in structure and convenient to use, can continuously and circularly ...

Internet-based credit financing platform data management system

The invention discloses an internet-based credit and financing platform data management system, belongs to the field of credit and financing, and is used for solving the problems that a current credit platform divides users into a white list and a black list only according to the number of times of credit expiration, and an adaptive credit platform is not provided for the users. Comprising a client dividing module, an intelligent matching module and a platform screening module, the client dividing module is used for dividing users based on credit conditions, the platform screening module is used for intelligently screening credit platforms, and if a credit set of the users corresponding to a user terminal is a credit normal set or a credit limited set, the user terminal is matched with the user terminal. If yes, a matched credit platform is pushed to the user through an intelligent matching module, a target credit platform is obtained and fed back to the server, and the server sends the ...

Device for measuring high-temperature resistivity of stannic oxide electrode material

The invention provides a device for measuring the high-temperature resistivity of a tin dioxide electrode material, and relates to the technical field of resistivity detection. The device for measuring the high-temperature resistivity of the stannic oxide electrode material comprises a sample rod body, a platinum wire, a pressing sleeve and an accommodating tube, connecting grooves are respectively formed in positions, close to two ends, of the sample rod body; the number of the platinum wires is two, one end of each platinum wire is wound in one connecting groove, and the other end of each platinum wire is connected with the direct-current double-arm bridge. The number of the pressing sleeves is two, and the two pressing sleeves are arranged at the two ends of the sample rod body respectively in a sleeving mode and press part of the platinum wire wound in the connecting groove. The sample rod body is arranged in the accommodating tube, two ends of the accommodating tube are blocked by ...

Thermal power generating unit primary frequency modulation control method, system and equipment and storage medium

The invention relates to the technical field of thermal power plant thermal control, in particular to a thermal power generating unit primary frequency modulation control method, system and device and a storage medium, and the method comprises the steps: judging a primary frequency modulation action state according to unit frequencies and primary frequency modulation dead zones at adjacent collection moments; acquiring a primary frequency modulation starting moment and a primary frequency modulation reference load value according to the primary frequency modulation action state; calculating the actual load adjustment demand quantity of the thermal power generating unit at each moment in the primary frequency modulation process according to the theoretical load adjustment demand quantity of the unit and the load adjustment demand quantity correction value; and according to the actual load adjustment demand quantity, primary frequency modulation processing is carried out on the thermal power ...

Glass composition, glass as well as preparation method and application of glass

The invention relates to the field of glass preparation methods and glass, and discloses a glass composition, glass and a preparation method and application thereof.The glass composition comprises, by mole, 71%-76% of SiO2, 9%-13% of Al2O3, 2%-4% of B2O3, 1.2%-3.5% of TiO2, 0.3%-0.9% of ZrO2, 0.3%-1.1% of CeO2, 0.15%-0.25% of SnO2, 1.0%-3.6% of Li2O, 1.5%-4.5% of Na2O, 0.5%-1.5% of K2O, 1.5%-3% of MgO, 0%-1% of CaO, 0%-0.5% of BaO, 0%-1.5% of ZnO and 0%-1% of SrO, and 0.1-0.7% of a rare earth oxide. The glass composition provided by the invention is low in boron element consumption, the production cost is reduced, the pollution to the environment is also reduced, and the prepared glass is high in chemical stability, low in average linear thermal expansion coefficient and low in ultraviolet transmittance.

Low dielectric glass, preparation method of low dielectric glass and Micro LED substrate

The invention provides low dielectric glass. The low dielectric glass comprises the following components by mole percent: 57-59.5% of SiO2; 8 to 10 percent of Al2O3; 17 to 20 percent of B2O3; 2.2 to 4.9 percent of CaO; 3 to 7 percent of MgO; and 0.5 to 3 percent of TiO2. The preparation of the alkali-free glass is realized by removing raw materials containing potassium and sodium, so that the influence on the heating process in the use process is removed, and the process difficulty is reduced; meanwhile, TiO2 is added and matched with other raw materials in molar percentage, and tetravalent ions of Ti are utilized to strongly attract broken bonds of a network and stabilize electrons and charges, so that the density of the network in the glass is increased, electron displacement polarization and ion displacement polarization are reduced, and the dielectric property of the glass is effectively reduced.

Movable bridge of cable-stayed-suspension cable-arch combined system

The invention belongs to the technical field of design and construction of movable bridges in bridge engineering, and provides a movable bridge of a cable-stayed-suspended cable-arch combined system, the structure is divided into two spans, the main span is composed of a main beam, an arch rib, a tied arch suspender, a cable bent tower, a main cable, a suspension bridge suspender, a middle pier and a side pier, and the main span is a combined structure of an inclined suspender tied arch and a suspension bridge; the side span is composed of a main beam, a cable bent tower, a stay cable, a middle pier and a side pier and is of a cable-stayed bridge structure. In the bridge forming state, the main span inclined suspender tied arch bridge and the side span cable-stayed bridge mainly bear the self weight of the bridge and the traffic load on the bridge floor; the suspension bridge structure only bears a small amount of structural dead weight and traffic load. In the opening state, the supports ...

Method and device for recognizing working frequency of engine cooling fan

The invention provides an engine cooling fan work frequency identification method and device, equipment and a storage medium, and the method comprises the steps: obtaining vehicle operation data of a current driving cycle if the duration of the current driving cycle is greater than a preset duration; obtaining a target data segment, meeting the corresponding data judgment condition, of the vehicle operation data in the current driving cycle; if it is judged that all the engine fan rotating speeds of the target data segment are larger than the preset fan rotating speed threshold value, the target data segment is recognized as an engine fan frequent work event. According to the method and the device, the frequent working event of the transmitter fan can be identified according to the set data judgment condition, so that information reminding can be carried out based on the identified frequent working event of the transmitter fan, the perceptivity of a user to abnormal working of the engine ...

Transparent microcrystalline glass as well as preparation method and application thereof

The invention relates to the technical field of preparation of microcrystalline glass, and discloses transparent microcrystalline glass as well as a preparation method and application thereof. A main crystalline phase of the transparent microcrystalline glass comprises lithium metasilicate, and optionally, the main crystalline phase further comprises at least one component of lithium disilicate, petalite, beta quartz, spinel and spodumene; based on the total molar weight of the transparent glass ceramic, the transparent glass ceramic contains the following components in terms of oxide and by mole: 40 to 55 percent of SiO2, 4 to 10 percent of Al2O3, 0.5 to 5 percent of P2O5, 35 to 45 percent of Li2O, 1 to 3 percent of Na2O, 0.1 to 2 percent of K2O and 0.5 to 5 percent of ZrO2, the ratio of SiO2 to Li2O is (1-1.2): 1; siO2 + Li2O is greater than 85%; the ratio of ZrO2 to P2O5 is (0.96-1.51): 1. The transparent microcrystalline glass has the advantages of high hardness, high Young modulus, ...

Composite solid electrolyte sheet, preparation method and application thereof, and solid-state battery

The invention relates to the field of new energy materials, and discloses a composite solid-state electrolyte sheet, a preparation method and application thereof, and a solid-state battery, the preparation method of the composite solid-state electrolyte sheet comprises the following steps: (1) in an oxygen-containing atmosphere, calcining a raw material electrolyte sheet to obtain an electrolyte sheet I; (2) performing plasma activation treatment on the electrolyte sheet I in a first atmosphere to obtain an electrolyte sheet II; and (3) respectively coating two sides of the electrolyte sheet II with the positive electrode slurry and the negative electrode slurry to respectively form a positive electrode coating and a negative electrode coating so as to obtain the composite solid electrolyte sheet. The composite solid electrolyte sheet provided by the invention can effectively reduce the interface resistance between the solid electrolyte and the electrode, and has high ionic conductivity ...

Optical glass as well as preparation method and application thereof

The invention provides optical glass as well as a preparation method and application thereof. The optical glass composition is prepared from the following components in percentage by mass: 3% to 50.0% of SiO2, 0.01% to 15.0% of Li2O, Na2O and K2O, 6.0% to 35% of BaO, 0.01% to 15.0% of B2O3, 10% to 45% of Nb2O5, 0.01% to 15% of ZrO2, 8.5% to 35.0% of TiO2, 5% to 55% of La2O3, 0.01% to 10.0% of Bi2O3, Gd2O3 and Y2O3, 0% to 2.0% of CaO, 0% to 3.0% of SrO and 0% to 10.0% of ZnO. The optical glass provided by the invention has lower expansion coefficient and lower density, and accords with the development trend of light weight of optical devices. Meanwhile, the glass prepared by the preparation method provided by the invention is not easy to split phases, high in uniformity and low in processing and forming difficulty, and the production cost can be reduced. Therefore, the optical glass provided by the invention has a wide application prospect.

Multi-dimensional shock-absorbing damper of flat-turning movable bridge

The invention belongs to the technical field of bridge structure vibration control, and provides a multi-dimensional shock-absorbing damper of a flat-turning movable bridge, which comprises a disc-shaped bearing bush, a foamed aluminum shock-absorbing layer, a damper shell and an anti-seismic pin. The disc-shaped bearing bush is installed on the main shaft, the anti-seismic pin locks the disc-shaped bearing bush on the damper shell, and the foamed aluminum damping layer surrounds the periphery of the disc-shaped bearing bush. When an earthquake occurs, the anti-seismic pin is firstly cut off, and the main shaft and the disc-shaped bearing bush extrude the foamed aluminum damping layer together in the horizontal direction. The foamed aluminum damping layer has strong energy dissipation and damping effects, so that seismic kinetic energy can be absorbed, and the purpose of damping is achieved; and the original rigid constraint between the main shaft and the bridge pier can be converted into ...

Investment and financing information management system based on data analysis

The invention belongs to the field of investment management, relates to a data analysis technology, is used for solving the problem that an investment and financing information management system in the prior art cannot provide a targeted implementation scheme for an enterprise according to a project risk degree, and particularly relates to an investment and financing information management system based on data analysis, which comprises an information management platform, the information management platform is in communication connection with a risk assessment module, a risk matching module, a project monitoring module and a storage module, the risk assessment module is used for performing project risk assessment analysis on an investment and financing enterprise: marking the investment and financing enterprise as an assessment object, and obtaining fund data ZJ, liability data FZ and lively wave data LB of an investment and financing project of the assessment object; according to the invention ...

Oxide solid electrolyte sheet and preparation method and application thereof

The invention relates to an oxide solid electrolyte sheet and a preparation method and application thereof, and the method comprises the following steps: 1) pressing oxide solid electrolyte powder into a sheet to obtain a solid electrolyte sheet; carrying out high-temperature calcination, cooling and polishing on the solid electrolyte sheet to obtain a solid electrolyte substrate; and 2) plating a silicon monoxide film on the surface of the solid electrolyte substrate to obtain the oxide solid electrolyte sheet. The surface layer of the prepared oxide solid-state electrolyte sheet is plated with the silicon monoxide film, and when the oxide solid-state electrolyte sheet plated with the silicon monoxide film and lithium metal are assembled into a lithium metal battery, the deposited silicon monoxide layer plays a role in isolating the solid-state electrolyte from the lithium metal, and enhances the interface contact with the lithium metal, so that the lithium metal battery is more stable ...

Silicon-carbon negative electrode material and preparation method and application thereof

The invention relates to the technical field of silicon-based materials, and discloses a silicon-carbon negative electrode material and a preparation method and application thereof. The silicon-carbon negative electrode material comprises an inner core and a coating layer coating the surface of the inner core, the material for forming the inner core comprises silicon powder, the material for forming the coating layer comprises carbon nitride and carbon nanotubes, and one end of at least part of the carbon nanotubes is embedded in the inner core. The silicon-carbon negative electrode material provided by the invention has electrochemical properties of high cycling stability and high multiplying power.

Composition for preparing glass, high aluminosilicate glass as well as preparation method and application of high aluminosilicate glass

The invention relates to the field of glass, and discloses a composition for preparing glass, high aluminosilicate glass and a preparation method and application of the high aluminosilicate glass, and the composition contains 55%-72% of SiO2, 9%-25% of Al2O3, 0.5%-10% of B2O3, 3%-15% of Na2O, 3%-15% of Li2O, 0-5% of K2O, 0-7% of MgO, 0-7% of ZnO, 0-3% of TiO2 and 0.01%-5% of P2O5. The high aluminosilicate glass provided by the invention has the advantages that the falling resistance and impact resistance are obviously improved, the brittle failure resistance is higher, the strength is high, the toughness is good, and the mechanical property is excellent.

Method for treating stannic oxide electrode brick sample and application

The invention relates to the technical field of material component detection, and discloses a method for treating a stannic oxide electrode brick sample and application. The method comprises the following steps: (1) melting sample raw materials to obtain a mixture I; the sample raw material contains a stannic oxide electrode brick and a flux; (2) mixing the mixture I with an acid solution of which the concentration is greater than or equal to 25wt% to obtain a mixture II, wherein the acid solution is selected from at least one of a hydrochloric acid solution and a hydrobromic acid solution; and (3) carrying out heat preservation treatment on the mixture II at 120-240 DEG C under a non-closed condition to obtain a sample solution to be detected. The stannic oxide electrode brick sample treatment method provided by the invention has the advantages of high accuracy and high repeatability, and has a very good practical value.

Horizontal rotation driving hydraulic equipment of movable bridge

The invention belongs to the technical field of design and construction of movable bridges in bridge engineering, and provides horizontal rotation driving hydraulic equipment of a movable bridge, which comprises an oil cylinder shell, a main shaft, an oil inlet and an oil outlet. Liquid oil is driven by an oil pump to be injected into two oil cylinder inner cavities, distributed diagonally, of the oil cylinder from an oil inlet, the blades are driven by oil pressure, the main shaft is driven to rotate, and the rotation angle is 90 degrees. The equipment drives the main beam, the cable bent tower and other structures of the movable bridge to rotate in the plane, and the purpose of opening and closing the bridge is achieved. The blades are driven to rotate according to the hydraulic principle, huge torque is directly generated, the situation that the stability of the ultra-long pressing rod is limited by torque achieved through linear hydraulic equipment is avoided, and even and stable torque ...

Cable system tensioning control method suitable for self-anchored cable-stayed suspension cooperative system

The invention discloses a cable system tensioning control method suitable for a self-anchored cable-stayed suspension cooperative system, which is characterized in that the construction method is carried out according to the following steps in sequence: firstly, on the premise of ensuring the stress safety of a main beam and a cable tower, tensioning a stay cable in a cable-stayed area, a stay cable in an overlapping area and a stay cable in a side span area; wherein the stayed cable in the stayed area and the stayed cable in the side span area are tensioned at a time, the stayed cable in the overlapping area is subjected to over-tensioning, after tensioning, the main beam in the range of the side span area, the stayed cable and the overlapping area needs to be separated from a frame, then a side span main cable is erected between the anchoring end of the main beam and the top ends of the cable bent towers, a middle span main cable is erected between the top ends of the cable bent towers ...

High aluminosilicate glass as well as preparation method and application thereof

The invention provides high aluminosilicate glass as well as a preparation method and application thereof. The high aluminosilicate glass is prepared from the following components: 55 mol% to 72 mol% of SiO2, 8 mol% to 25 mol% of Al2O3, 0.1 mol% to 10 mol% of B2O3, 3 mol% to 15 mol% of Na2O, 3 mol% to 15 mol% of Li2O, 0 mol% to 5 mol% of K2O, 0 mol% to 15 mol% of MgO, CaO, SrO and BaO, 0 mol% to 5 mol% of ZnO and 0.01 mol% to 5 mol% of P2O5. Wherein the mole percentage of each component is substituted into a formula to calculate the dielectric factor Y = (SiO2 + B2O3)/(Na2O + Li2O + K2O + P2O5) * (MgO + ZnO), and Y is more than or equal to 0.5 and less than or equal to 5.5. The high aluminosilicate glass provided by the invention has low dielectric constant and low dielectric loss, can reduce the loss of 5G high-frequency signals, has excellent mechanical properties after strengthening, can play a good role in protecting 5G communication equipment, and also has the advantages of low liquidus ...