233results about How to "Precise layout" patented technology

The invention provides a standardized construction method for a hydraulic prefabricated member based on BIM (Building Information Modeling). The standardized construction method comprises the following steps: S1, modeling a three-dimensional parameterization model by using a BIM modeling tool, and further implementing the design of three-dimension drawing according to the model; S2, dividing and classifying project units according to different members; S3, deploying corresponding members in a three-dimensional model of a specific project; S4, exporting to obtain an arrangement drawing, a detail table and control parameters of the members, and counting the project quantity of the members; S5, performing BIM on a prefabricated field, and guiding capital construction of the prefabricated field based on the BIM; S6, exporting the three-dimensional parameterization model, thereby performing specific three-dimension design and structure operation on the members; S7, simulating all stages of field operation for prefabricating the members; S8, implementing field prefabrication of the members; S9, prefabricating the members and implanting chips containing traceable prefabrication quality information of the members into the members; S10, after prefabrication of the members is finished, performing hanging safe construction on the members.

A method of forming a semiconductor structure includes following steps. First of all, a plurality of mandrels is formed on a target layer. Next, a plurality of first liner is formed adjacent to two sides of the mandrels. Then, a plurality of second liners is formed adjacent to two sides of the first liners. After these, a plurality of third liners is formed adjacent to two sides of the second liners. Finally, the mandrels and the second liners are simultaneously removed.

The invention discloses a surrounding rock deformation early-warning construction method for small-diameter tunnel full-section excavation. The surrounding rock deformation early-warning construction method for small-diameter tunnel full-section excavation comprises the following steps of (1) carrying out the earlier-stage geological survey and rock core sampling, finding out the position and the trend of a joint fissure of the terrane, determining parameters of surrounding rock through soil tests, classifying the surrounding rock and summarizing the types of the surrounding rock to form a list, and determining the design of the multipoint displacement meter installation scheme according to the results of the geological survey; (2) carrying out tunnel excavation and installation of multipoint displacement meters; (3) carrying out the middle-stage geological survey; (4) recording the installation time of the multipoint displacement meters; (5) determining a surrounding rock deformation early-warning value; (6) carrying out observation recording on data of the multipoint displacement meters, and determining remediation treatment measures of the dangerous section.

The invention provides a three-dimensional automatic wiring method and a three-dimensional automatic wiring device based on a rapidly-exploring random tree. The three-dimensional automatic wiring method comprises the following steps: according to an available space, a starting point and a finishing point of a cable to be arranged to obtain an initial path of the cable to be arranged; detailing the initial path to obtain a middle path; through a cable physical model, modeling the middle path to determine a final path of the cable to be arranged. Through the three-dimensional automatic wiring method and the three-dimensional automatic wiring device, cable arrangement can be achieved easily, rapidly and accurately.

An EDA method is implemented for modifying a layout file after place and route. The method includes storing a library of shape modifications for cells in the design library used for implementation of the circuit. The library of shape modifications includes the results of process-specific calibration of the shape modifications which indicate adjustment of a circuit parameter caused by applying the shape modifications to the cells. The layout file is analyzed to identify a cell for adjustment of the circuit parameter. A shape modification calibrated to achieve the desired adjustment is selected from the library. The shape modification is applied to the identified cell in the layout file to produce a modified layout file. The modified layout file can be used for tape out, and subsequently for manufacturing of an improved integrated circuit.

The invention discloses a fiber-optic gyroscope inertial measurement spatial four-point vibration damping system. The system comprises a main body, gyroscopes, an accelerometer assembly and shock absorbers. The main body is a hexahedral frame. The three gyroscopes are installed on three surfaces, perpendicular to each other, of the main body. The axes of the three gyroscopes intersect at a point to form a space rectangular coordinate system. The accelerometer assembly is fixedly connected to the surface of the main body opposite to the gyroscopes. The shock absorbers are respectively arrangedat four diagonal points of the main body. The geometric centers of the shock absorbers coincide with the centroid of the system. The main body is provided with the shock absorbers and a weight installation position, provides a space for later centroid fine adjustment, improves fiber-optic gyroscope vibration damping performances and solves the problem that the conventional fiber-optic gyroscope inertial measurement device has poor high frequency vibration adaptability. Through the temperature control of the main body and the accelerometer assembly, the high-precision measurement of the accelerometer assembly in the whole temperature range is realized and the problem of poor insulation performances of the conventional fiber-optic gyroscope inertial measurement device is solved.

The invention relates to a ship two-docking positioning method, wherein the two docking of ship are precisely positioned by assigning a positioning reference line (2), setting a first positioning point (3), a second positioning point (5), a third positioning point (7) and a fourth positioning point (8) and matching with a total station (9). According to the present invention, the ship two-dockingpositioning method has advantages of simple and convenient operation, production period shortening and cost saving.

The invention discloses a riparian zone simulating and monitoring system, which belongs to the field of water conservancy project physical model test. The riparian zone simulating and monitoring system comprises a system control platform, a riparian form simulating system, a pressure monitoring system and a concentration monitoring system. The riparian zone simulating and monitoring system is convenient for forming riparian landforms of different forms quickly and researching of the flow characteristics and exchange process of surface water and groundwater at riparian zones of different forms, and contributes to saving time and labor; a special pressure monitoring system is provided with pressure sensor fixing bases of different shapes and specifications and a freely-stretchable drawer-type transverse plate, and pressure sensors can be accurately arranged on the surface of a riparian form, so that the problems of difficulty in accurately fixing the pressure sensors on the surface of a riparian sand body, easy deviation of an arrangement position and the like are solved; and a perfect test monitoring system can be used for automatically acquiring and monitoring the pressure field data and concentration field data of riparian zone physical test.

The invention relates to a temporary road arrangement method for mountainous buildings based on the BIM. The method includes the following steps that a three-dimensional integral BIM model of the mountain buildings is built; a starting point, an end point and a boundary condition of a main road in temporary roads constructed for the mountain buildings are determined; a space planning set of the main road in the temporary roads constructed for the mountain buildings is determined, and an optimally planned arterial road is obtained through analysis; according to non-covered temporary-road regionof a tower crane of each individual building, a first-level branch road is built on the base of planning of the temporary roads constructed for the mountain buildings; according to the non-covered temporary-road region of the tower crane of each individual building, and secondary branch roads of the temporary roads constructed for the mountain buildings are sequentially built until each temporaryroad reaches the covered region of the tower crane of each individual building; construction and maintenance of specific trunk-line temporary roads and the construction base layer and surface layer of each level of branch temporary road are completed. Compared with the prior art, the method has the advantages of being reasonable, accurate, efficient, applicable, economical and the like.

The invention belongs to the technical field of flue gas denitration and relates to a system for denitration by spraying ammonia gas in a large-sized boiler high-temperature flue gas area. A boiler comprises a horizontal flue and a vertical flue. The system comprises an SNCR (selective non-catalytic reduction) system provided with a reducing agent injector, the reducing agent injector is a spray pipe disposed on the transverse section of the horizontal flue, an input end of the spray pipe is connected with a reducing agent conveyer, the other end of the spray pipe is closed, and the wall of the spray pipe opposite to flue gas is provided with a spray hole. The invention also discloses a denitration process for denitration treatment using the system, the denitration treatment with the system gives high denitration rate and low ammonia escape quantity as well as full flue gas purification, this product is applicable to present coal-consuming boilers for thermal power generation, iron and steel, chemicals, cements and the like, and satisfactory NOx emission index of these boilers can be ensured.

The invention discloses a device and method of laser impact welding in a warm state. The device comprises a laser emitting system, a control system and a workpiece warm welding operation system. The workpiece warm welding operation system comprises a workpiece warm device, a base plate pressing device and a workpiece pressing device. Before-welding preheating of a workpiece is achieved through the workpiece warm device, the plasticity of the to-be-welded workpiece is improved, and the welding performance of the workpiece is improved; by means of the base plate pressing device and the workpiece pressing device, the precise clamping of the workpiece in the warm state is achieved. The device is high in precision and automation degree and wire in application range, and warm welding of various different materials can be conducted.

A textual information processing apparatus is capable of forming an ink-printed character string and a Braille character string corresponding to input texture information in a common processing area of a tape. The ink-printed character string and/or the Braille character string can be laid out in a desired beautiful fashion. Before performing ink-printing and Braille embossing separately, the Braille embossing area length necessary for the Braille embossing is determined, and the ink-printing area length necessary for the ink-printing is set. The Braille embossing area length and the ink-printing area length are compared with each other, and a greater length is employed as the length of the common processing area.

A layout tool is provided for anchoring a layout line, such as a chalk line, in relation to a piece of construction material. The tool (100) generally includes a top plate (102) and a depending plate (106). Angular markings (104) are provided on the top plate (102) to indicate angles, pitches, or the like. The tool (100) further includes an anchor post (110), a spike (108), and a window or opening (112). A construction worker can align the tool (100) with a mark on the construction material by viewing the mark through the opening (112). The worker can strike the plate (106) so that the spike (108) penetrates a side surface of the construction material to secure the tool (100) in the desired position. A chalk line can then be attached to the post (110) and extended a desired length across the construction material in a desired angular orientation by using the markings (104). The chalk line can then be snapped against the construction material to provide a desired layout chalk line.

The invention discloses a power transmission line mountain fire clustering quantitative forecasting method. In steps 1-3, the multi-time coordinate mountain fire forecasting time axis is obtained by means of a cluster analysis method, and the optimal forecasting scale of the forecasting area is obtained by the spatial scale contrast analysis method; and on this basis, in steps 4-5, a forecasting model is established according to the space-time distribution rule obtained in the steps 1-3, and the daily mountain fire amount in the area is forecasted. The invention further discloses a power transmission line mountain fire clustering quantitative forecasting system. By calculating the node historical mountain fire points of each space unit, the air humidity suppressing coefficient and the combustible matter damping coefficient of the day to be measured, the mountain fire forecasting rainfall index of the day to be measured, and the continuous drought influence factor of the day to be measured, the mountain fire generation expect number of the day to be measured of each space unit is predicted, the operationality is high, the forecasting accuracy is high, and the power transmission line mountain fire quantitative forecasting refinement degree is improved.

The invention relates to a process for cutting a wire net of silicon wafers, which comprises the following steps of: marking a part to be cut and a part not to be cut on a wafer; marking parts to be slotted and parts not to be slotted for a first guide wheel and a second guide wheel, arranging guide wheel slots on the parts to be slotted of the first and the second guide wheels, when the wafer is installed on a cutting machine, and enabling the part to be cut of the wafer to correspond to the parts to be slotted of the first guide wheel and the second guide wheel, and the part of the wafer not to be cut to correspond to the parts not to be slotted of the first guide wheel and the second wheel. By redesigning the slotting mode of the guide wheels in the wire net cutting process, the process enables the arrangement of the wire net to be quick and accurate, completely avoids the defects of hidden cracked wafers, thick and thin wafers, scratch wafers, broken corner wafers and fragment wafers caused by displacement of steel wires on the two guide wheels in wiring, greatly improves the quality of the silicon wafer, and further provides guarantee for the yield of the silicon wafers at battery ends.

The invention discloses a screening and handling method for climate indexes. The screening and handling method comprises the steps that climate monitoring indexes in a cigarette raw material producing area are used as the basis, factors and correlation analysis are applied to determine a characteristic index of a climate evaluation factor, probability distribution and standard deviation method weight coefficients are adopted to obtain the evaluation standard for the characteristic index, K-means clustering and multi-accumulating stepwise discriminant analysis are used for building a discrimination function and inspecting accuracy of the discrimination function, finally, a base unit climate index comprehensive classification result is determined, and the cigarette industrial raw material base layout is optimized according to the result. According to the screening and handling method for the climate indexes, the climate indexes capable of accurately analyzing and evaluating the cigarette raw material base are screened out more systematically and more comprehensively from the climate indexes of a plurality of base units, the lateral linkage of the climate indexes is built, and redundant information among the climate evaluation indexes is avoided. The invention further provides an evaluation method for the cigarette raw material base, and the decision-making basis and theoretical supports can be effectively and rapidly provided for optimization of the cigarette industrial enterprise base unit layout.

The invention discloses a method for automatically generating three-dimensional topography in a Torque engine. The method comprises the following steps: data about contour lines and elevation points are extracted from a topographic map to construct the Constrained Delaunay Triangulation; a square area is determined on the basis of the topographic range, a corresponding elevation map of the square area is drawn, with both length and width being 256 pixels, the elevation values of points corresponding to all the pixels are interpolated in the triangulation network, an elevation range is obtained by traversal, and a 256-level gray level image is generated; and furthermore, pixel values corresponding to control points on the topographic map are designated as specific values in order to assist in the positioning of a 3D model in a game world. The invention has the advantages of simple method and convenient operation, realizes the automatic generation of the three-dimensional topography in the Torque engine for the first time, and solves the problems of heavy workload in editing by hand and limitations of resolution of the prior DEM. With the function of assisting in the positioning of the 3D model, the invention can ensure that the model can be arranged precisely in position.