78results about How to "Appropriate cost" patented technology

The invention relates to a solar-powered ultra-high voltage line monitoring system, comprising a high-voltage side solar power supply, a high voltage line monitoring device, a low-voltage side solar power supply, a line monitoring host computer and a remote wireless intelligent monitoring system. The high-voltage side solar power supply and the low-voltage side solar power supply comprise solar batteries, rechargeable batteries and power management units; the high voltage line monitoring device and the line monitoring host computer comprise sensing units as well as data acquisition and recording units for detecting and processing field parameters of various lines; and the remote wireless intelligent monitoring system comprises a wireless communication unit and a monitoring system master station. The high-voltage side solar power supply, the high voltage line monitoring device, the low-voltage side solar power supply, the line monitoring host computer and the remote wireless intelligent monitoring system compose a field device which collects and records the running status and fault information of high-voltage lines through solar power and transmits the running status and fault information to the monitoring system master station through the remote wireless communication unit so as to provide real-time information for power line monitoring.

The invention belongs to the building material technique field, in particular relates to a building thermal insulating mortar. The building thermal insulating mortar is characterized in that the mortar is composed of dry powder and water, the dry powder and water are present in a weight ratio of 1:1.3, when in use, the dry powder is added to the water and agitated evenly; and the dry powder is mixed by materials of modified cement, modified fly ashes, a re-dispersible latex powder, wood fibers, polypropylene fibers, calcium formate, hydroxypropyl methylcellulose, hydrophobic agent, multi-functional auxiliary agent and modified expanded perlite, materials of the dry powder include: 500 parts of modified cement, 160 parts of modified fly ashes, 25 parts of re-dispersible latex powder, 3 parts of wood fibers, 1 part of polypropylene fiber, 5 parts of calcium formate, 6 parts of hydroxypropyl methylcellulose, 1 part of hydrophobic agent, 3 parts of multi-functional auxiliary agent and 300 parts of modified expanded perlite by weight. The building thermal insulating mortar has advantages of strong heat preservation, firm bonding with wall bodies, compression resistance, superior tensile performance, good weathering resistance, environmental protection, and excellent waterproofing, anti-cracking and shedding prevention properties.

The invention discloses a high strength corrosion resistant rare earth cast magnesium alloy and a preparation method thereof, which is characterized in that: the magnesium alloy comprises the following components according to the weight percentage: 1.8 to 4.0 percent of Nd, 1.0 to 2.0 percent of Gd, 0.2 to 0.8 percent of Zn, 0.4 to 1.0 percent of Zr, 0.0 to 0.8 of Ca, not more than 0.02 percent of total content of impurity elements of Fe, Cu and Ni, and the balance of Mg complemented to 100 percent; and the preparation method comprises the following steps of: melting pure magnesium, adding Mg-Nd intermediate alloy, Mg-Gd intermediate alloy, Mg-Ca intermediate alloy and commercial pure Zn in sequence, heating up to 760 DEG C to 785 DEG C after the mixture is totally melted, adding Mg-Zr intermediate alloy, stirring fully and evenly after the Mg-Zr intermediate alloy is melted, standing for 10 to 20 minutes, removing dross, and then casting ingots or casting the cast products at the temperature of 720 DEG C to 750 DEG C. The cast magnesium alloy has the advantages of controllable melting process, appropriate cost, excellent mechanical property, corrosivity, good casting process property and the like; and the cast magnesium alloy can be used to manufacture various non-die casting magnesium alloy parts by adopting the processes of sand mold casting, low-pressure casting, counter-pressure casting or squeezing casting, etc.

The invention discloses a seamless bridge deck expansion joint structure for road engineering and a construction process of the seamless bridge deck expansion joint structure. The seamless bridge deck expansion joint structure for the road engineering comprises a bridge body and an expansion join, wherein concrete paving layers are arranged on the bridge body; a preserved notch is formed between two adjacent concrete paving layers; a clearance is reserved between two adjacent bridge bodies or between the bridge body and a bridge abutment; the seamless bridge deck expansion joint structure further comprises an elastic-plastic body and a backing plate; the backing plate is positioned on the bottom surface of the preserved notch for closing the clearance; the backing plate is arranged below the elastic-plastic body; the elastic-plastic body is positioned in the preserved notch for forming an elastic-plastic body expansion joint; and asphalt concrete layers are paved on the concrete paving layers and the elastic-plastic body expansion joint in a penetrating way. According to the seamless bridge deck expansion joint structure disclosed by the invention, a real seamless bridge deck can be formed; and the seamless bridge deck expansion joint structure has the advantages of higher structural safety, greater convenience in construction and convenience in replacement.

Provided are multilayer, microporous breathable barrier films and items such as laminates and garments made from such films. The films contain one or more layers of polymers without fillers in combination with at least two or more microporous breathable layers. The unfilled layers provide a barrier that can effectively allow moisture vapor to pass, but retain fluids and challenge materials.

The invention discloses a surface texture of an indium-iron grid-shaped spherical composite microcrystal composite layer. A surface material layer is arranged on a part and mainly comprises larger indium-iron composite spherical microcrystal units of which the indium content exceeds 50% (Wt%) and the total content of indium and iron exceeds 55% (Wt%), each larger indium-iron composite spherical microcrystal unit is formed by close connection of at least four spherical crystal grains or nearly-spherical crystal grains, the larger indium-iron composite spherical microcrystal units are distributed regularly to form a grid, multiple single crystal grains or smaller indium-iron microcrystal units are closely distributed in the grid, each smaller indium-iron microcrystal unit is formed by close connection of at least two spherical crystal grains or nearly-spherical crystal grains, and the surface material layer and a base body material of the part are integrated to form the indium-iron grid-shaped spherical composite microcrystal composite layer; then a surface texture is machined on the part surface provided with the indium-iron grid-shaped spherical composite microcrystal composite layer and consists of multiple surface texture units, and the surface texture of the indium-iron grid-shaped spherical composite microcrystal composite layer is formed.

A user registers information in searcher information storage in advance. Database creators register provision conditions of information in provision condition storage as a rule for defining information granularity. When a query request is received from a user terminal, a search request is sent to each database. Query results from the each database are acquired, and information to be provided into a form at an appropriate information granularity is sent to the user terminal. A third party may register disclosure restriction information. In this manner, a search mediation system capable of controlling information to be disclosed according to the searcher who wants access to the information is provided.

The invention discloses a surface texture of an indium-magnesium composite spherical microcrystal composite layer. A surface material layer is arranged on a part and comprises larger indium-magnesium composite spherical microcrystal units of which the indium content exceeds 50% (Wt%) and the total content of indium and magnesium exceeds 55% (Wt%), each larger indium-magnesium composite spherical microcrystal unit is formed by close connection of at least four spherical crystal grains or nearly-spherical crystal grains, and the indium-magnesium composite spherical microcrystal units are approximately regularly and closely distributed and arrayed in rows or in lines; a base body material can adopt metallographic structures which are made of other components and are in other shapes, and the surface material layer and the base body material are integrated; a surface texture is machined on the surface of the part and consists of multiple surface texture units, and the surface texture of the indium-magnesium composite spherical microcrystal composite layer is formed.

The invention discloses a surface texture of an indium-magnesium inwards-concave microcrystal composite layer. The surface texture of the indium-magnesium inwards-concave microcrystal composite layer is characterized in that a surface material layer is arranged on a part, a metallographic structure of the surface material layer comprises inwards-concave groove-shaped or inwards-concave through-hole-shaped microcrystals of which the indium content exceeds 50% (Wt%) and the total content of indium and magnesium exceeds 55% (Wt%), and the inwards-concave groove-shaped or inwards-concave through-hole-shaped microcrystals account for more than 15% of total crystals constituting the surface material layer; a base body material can adopt metallographic structures which are made of other components and are in other shapes, and the surface material layer and the base body material of the part are integrated to form the indium-magnesium inwards-concave microcrystal composite layer; a surface texture is machined on the part surface provided with the indium-magnesium inwards-concave microcrystal composite layer and consists of multiple surface texture units, and the surface texture of the indium-magnesium inwards-concave microcrystal composite layer is formed.

A wireless communication system includes a wireless communication apparatus (fixed terminal) resided in a fixed station side providing a wireless antenna, a wireless communication unit, a server processing unit, a task list, a data communication unit, a buffer management unit and a buffer, and a wireless data transport apparatus (mobile terminal) resided in a mobile station side providing the wireless antenna, the wireless communication unit, a server determination unit, a task list I/O unit, the task list, a client processing unit and the buffer, thereby, the mobile terminal receives the task list from the fixed terminal to communicate data with another fixed terminal and transports not only the data but also a data acknowledgement, and the fixed terminal creates the acknowledgement to use the acknowledgement to thereby control a creation and deletion of bulk data appropriately.

A test device for testing an electronic device having a plurality of device terminals that receive a signal, includes: an operating condition outputting unit for outputting an operating condition indicating an operation of a signal to be supplied to a device terminal to be associated with said device terminal; and a test module for supplying a test signal used in a test of the electronic device to the electronic device based on the operation indicated by the operating condition. The test module includes: a plurality of module terminals, each of which is electrically connected to any of the device terminals, for supplying the test signal to the device terminals, respectively; a terminal correspondence storing unit for storing terminal correspondence information indicating correspondence between each device terminal and a module terminal connected to that device terminal; and an operating setting unit for selecting a module terminal connected to the device terminal associated with the operating condition based on the terminal correspondence information, and setting the operating condition for the selected module terminal.

The invention discloses an intelligent automobile data recorder without a screen and belongs to the technical field of vehicle-mounted equipment. The intelligent automobile data recorder comprises anaudio and video module, a GPS/Beidou positioning module, a 4G module, a WIFI module, a 3D acceleration sensor module and a storage module. Non-screen displaying is adopted, the WIFI module is in an APmode, a mobile phone APP is connected with the intelligent automobile data recorder through the AP mode to view real-time video files, local loop video files and emergency video files, the cost of the intelligent automobile data recorder is lowered, the size of the intelligent automobile data recorder is decreased, and mounting is convenient; through the 3D acceleration sensor module and the GPS/Beidou positioning module, user driving behavior is judged, vehicle real-time data and driving behavior data are reported to a remote monitoring platform through a 4G network, when an emergency collision accident is encountered, the intelligent automobile data recorder uploads the current video file to the remote monitoring platform, 'black box' data of a vehicle is dually backed up, and thus it is ensured that the key vehicle data are safe and reliable; and the remote monitoring platform calls audio and video real-time data of the recorder according to the needs, and the audio and video real-time data are clear at a glance on site.

The invention discloses a railway transportation container unloading system with shunting equipment. The railway transportation container unloading system comprises a railway vehicle, a container crane, a container tipping machine and a shunting locomotive which are arranged on a railway transportation line; the container tipping machine is fixedly mounted at one side of the railway transportation line; the shunting locomotive is located at the other side of the railway transportation line; and the container crane is mounted above railway transportation line and the container tipping machine. Train sets are dragged to an unloading point by the shunting locomotive, and containers are hoisted to the upside of the container tipping machine by the container crane so as to be tipped. The railway transportation container unloading system has the beneficial effects that the train sets are subjected to shunting operation by the shunting locomotive, and the container crane only needs to move within a small range, so that arranging equipment on the whole length of the train sets is avoided; and the container tipping machine is fixedly arranged on the ground, so that the cost is greatly reduced. The system is safe and reliable, compact and efficient, appropriate in cost, high in adaptability and wide in popularization and application space.

The invention discloses a cleaner for vehicle interiors and belongs to the field of daily chemicals. The cleaner is prepared from components in parts by weight as follows: 0.1-6 parts of a low-odor alcohol ether solvent, 0.1-0.8 parts of alcohol ether carboxylic acid (alcohol ether carboxylate), 0.1-0.8 parts of alkyl glycoside, 0.05-0.5 parts of a dispersant, 92.2-99.6 parts of water, 0-0.1 parts of citric acid and 0.05-0.5 parts of limonene; the low-odor alcohol ether solvent is diethylene glycol diethylether; alcohol ether carboxylic acid (alcohol ether carboxylate) is Cl12-14AEC-9H(Na). Diethylene glycol diethylether belongs to the low-odor alcohol ether solvent and has less odor and smaller irritation while compared with other low-carbon alcohols and alcohol ether solvents, so that the prepared cleaner has less odor and irritation. Through compounding of the low-odor alcohol ether solvent, namely, diethylene glycol diethylether, and limonene, the cleaner has high permeation and dissolution functions on dirt. The cleaner has the characteristics of small irritation, environmental protection and safety, can be used in a semi-closed environment, has high dirt-removing capability and can remove heavy dirt which can be removed only by strong-alkaline cleaner usually.

The invention provides a car sunshade protective device and a use method. The car sunshade protective device is characterized in that the device includes a body which is arranged at the top of a car;the body includes a sunshade assembly, a power source assembly and a sensing control assembly; the sunshade assembly is arranged around the body and includes a front window sunshade assembly, a rear window sunshade assembly, a left side window sunshade assembly and a right side window sunshade assembly; the sunshade assembly can be started to keep the car off the sun, and the sunshade assembly canbe retracted when closed; the power source assembly is arranged at the top of the body and includes a solar cell module; the sensing control assembly includes a temperature sensor, a photosensitive sensor and a controller; and the controller controls the sunshade assembly to be opened or closed according to the car temperature information and the car illuminance information transmitted by the temperature sensor and the photosensitive sensor. According to the car sunshade protective device and the use method, the problem that excessive temperature of the car due to sun exposure can be intelligently solved on the one hand, and the problem that the potential safety hazard can occur if a child is left in the car can be well solved on the other hand.

The invention relates to a reduction catalyst technology, in particular to a load type ozone nanometer type reduction catalyst and a manufacturing method thereof. The invention is characterized in that each kilogram of superfine or nano activated carbon is added with 27g-725g of manganous nitrate, 73g-590g of copper nitrate, 0.019g-0.093g of palladium nitrate and 650g-850g of deionized water, andthe mixture is dipped for 0.5 to 1 hour, dried in a constant temperature drying device, then roasted for certain time at set temperature and manufactured into the load type nano catalyst after being cooled.

The invention relates to an indium composite microcrystal salient point textur. According to the invention, a composite material layer containing more than 60% (Wt%) of indium and more than 70% (Wt%) of indium and iron is arranged on the surface of a part, and a plurality of salient point microcrystals are arranged on the surface of the composite material layer. The height of each salient point microcrystal is larger than 100 nm and smaller than 500 microns, the top of each salient point microcrystal with the diameter larger than 100 nm and smaller than 500 microns is spherical or approximately spherical, the indium content exceeds 60% (Wt%), the total indium and iron content exceeds 70% (Wt%), and the salient point microcrystals and the composite material layer are integrated. And the shape and the size of the salient point microcrystal can be changed.