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155 results about "Site analysis" patented technology

Site analysis is a preliminary phase of architectural and urban design processes dedicated to the study of the climatic, geographical, historical, legal, and infrastructural context of a specific site.

Electrochemical sensor for simultaneously detecting cadmium and lead ions and preparation method

The invention relates to an electrochemical sensor for simultaneously detecting cadmium and lead ions and a preparation method. The sensor is composed of an electrochemical work station, a working electrode, a counter electrode, a reference electrode and an electrolytic tank, wherein the working electrode adopts a glassy carbon electrode as a base, and a Nafion/N-doped micropore carbon composite membrane is modified on the surface of the working electrode; the electrochemical sensor can realize the simultaneous detection of the trace cadmium and lead ions, and the detection limits are respectively 1.5mug/L and 0.05 mug/L. The preparation method of the working electrode provided by the invention has the advantages that simplicity and environmental protection are realized, the working electrode combines the characteristic that hetero atoms and Nafion can effectively adsorb heavy metal ions, and bismuth and to-be-detected heavy metal can form an alloy, and the sensitivity of sensing heavy metal ions of the glassy carbon electrode is remarkably improved. The electrochemical sensor provided by the invention has the advantages that the reproducibility is good, the antijamming capability is strong, the detection limits are low, and the electrochemical sensor is applied in on-site analysis of cadmium and lead ions.
Owner:XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI

Transient analysis method and transient analysis system under integrated circuit power supply network full-parameter model

InactiveCN103207941AFast and accurate transient voltage drop analysisIncreased memory consumptionSpecial data processing applicationsTransient analysisEngineering
The invention discloses a transient analysis method under an integrated circuit power supply network full-parameter model. The method comprises the following steps: a determining step of determining the full-parameter model information of a to-be-analyzed integrated circuit power supply network; an establishing step of establishing a power supply network topological graph comprising a plurality of independent sub-circuits based on the full-parameter model information; and an analysis step of in parallel carrying out direct current working site analysis and transient analysis on each sub-circuit of the power supply topological graph to obtain the circuit node voltage distribution graph at each moment of each sub-circuit. As for a full-parameter circuit model, the invention establishes a linear system capable of adopting a symmetric matrix solver, and adopts a direct solver and an iterative solver in a hybrid manner according to the characteristics of problem solving. The method and system disclosed by the invention can be applied to carrying out fast and precise transient voltage drop analysis on the power supply network under the full-parameter model in formats such as an SPICE (Simulation Program with Integrated Circuit Emphasis) net-list form, especially on the aspect of memory consumption, and the system is improved to a great extent in comparison with the original emulator.
Owner:TSINGHUA UNIV

Continuous gas in-tube solid phase microextraction device combined with gas chromatography for use

InactiveCN102636595AAchieve complete extractionIncreased extraction surface areaComponent separationGas solid chromatographyPretreatment method
The invention discloses a continuous gas in-tube solid phase microextraction device combined with gas chromatography (GC) for use. The continuous gas in-tube solid phase microextraction device comprises a continuous gas in-tube solid phase microextraction device and a sampling device, wherein the continuous gas in-tube solid phase microextraction device is composed of an in-tube solid phase microextraction needle, a semiconductor condenser, a microheater and an inert gas connecting pipe, and the sampling device is composed of the in-tube solid phase microextraction needle, and a stop valve, a carrier gas flow controller and a gas source which are connected in sequence through a connector connected with a port of an extraction needle on one end of the in-tube solid phase microextraction needle and are used with the gas chromatography. According to the invention, the extraction needle performs thermal desorption at a GC sample inlet without changing the GC sample inlet and thus the continuous gas in-tube solid phase microextraction device is applied to the GC with any brand. The invention has the advantages of simple operating method, high extraction rate, accurate quantification, hydrophilic environment, convenient automatic operation and the like and also provides a sample pretreatment method integrated with extraction, separation and concentration. The continuous gas in-tube solid phase microextraction device can greatly promote the combination use of the SPME (solid phase microextraction) technology and the GC/MS (mass spectra) technology and applications of micro constituents in complex samples in aspects of on-site analysis, on-line analysis and in-situ analysis.
Owner:YANBIAN UNIV

Olfactory analog instrument and on-site analysis method for odor grade of specific substance

The invention provides an olfactory analog instrument and an on-site analysis method for the odor grade of a specific substance. The invention has the following characteristics: 1, a gas sensor array constant temperature operation room, a computer and an autoinjection system are integrated in a test box; 2, utilization of a sample bottle with a volume of 250 ml and 25 ml of a to-be-tested sample enables a gas-liquid ratio to be 9: 1; 3, parallel resistance wires respectively wind in a semi-circle manner to generate 45-W power, so the sample and headspace volatilized gas are heated to a temperature of 80 DEG C in only 8 min and maintained at the temperature for 30 min; 4, 25 ml of an aqueous ethanol solution with a concentration of 100 ppm is used to generate standard reference gas in the sample bottle with a volume of 250 ml, and correction on gas sensors are carried out based on the generated standard reference gas; 5, headspace sampling flow is 500 ml / min, sampling time is 30 s, and gas sensor response signals undergo lowpass filtering and dimensionality reduction pretreatment; and 6, a database is established, and the olfactory analog instrument carries out on-site detection and grade prediction and identification on the odor of specific substances consisting of an adhesive, petroleum wax, leather, glycerin and edible vegetable oil.
Owner:EAST CHINA UNIV OF SCI & TECH

Shopping robot

The invention discloses a shopping robot. The shopping robot comprises an input module, a shopping site analysis module, a navigation and positioning module, a mechanical motion device, an output module, a loading device, a detection module, a payment module and a control module, wherein the input module is used for receiving a shopping list; the shopping site analysis module is used for making decisions on the shopping site; the navigation and positioning module is used for generating a traveling path in which the shopping robot moves to the shopping site; the mechanical motion device is used for driving the shopping robot to move to the shopping site; the output module is used for outputting the shopping list to a service staff or a shopping guide robot at the shopping site; the loading device is used for receiving goods on the shopping list provided by the service staff or the shopping guide robot; the detection module is used for checking the goods with the shopping list; the payment module is used for paying for the goods; the control module is used for coordinating the work of the modules and controlling the mechanical motion device to drive the shopping robot to return after the payment is completed. By applying the technical solution of the invention, consumers at home can easily obtain goods from outdoor shopping mall, and the shopping efficiency is improved.
Owner:杭州德宝威智能科技有限公司

Potential type micro electrode sensor capable of being used for ion detection in settlings and application thereof

The invention relates to a potential type micro electrode sensor, in particular to a potential type micro electrode sensor capable of being used for ion detection in settlings and application thereof.The potential type micro electrode sensor is a polymer film ion selective micro electrode, and consists of a gold micro electrode, a PEDOT (PSS) conduction layer and an iron selective polymer film; the iron selective polymer film is prepared by mixing ion selective carriers containing ions to be detected and lipophilic ion exchangers (quadri(3,5-bis(trichloromethyl)phenyl)sodium borate accordingto the mol ratio of (1:2)-(1:4) and then adding polyvinyl chloride and o-nitrophenyl octyl ether. The solid contact type micro electrode has the advantages that the manufacturing is simple and convenient; the sensitivity is high; the cost is low; the miniaturization is easy, and the like. Meanwhile, the micro electrode mass transfer speed is high; the current density is great; the response speed is high, and the like. The ion field in-site analysis in settlings can be realized; the detection on various ions in the settings can be realized through changing the types of ion carriers in the ion selective films.
Owner:YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI

A construction method of an intelligent fabricated building

The invention relates to the field of fabricated buildings, in particular to an intelligent fabricated building construction method. The method comprises the steps of preliminary model design, whereinspace planning is conducted according to site analysis, building modeling, building landscape and traffic flow lines; Utilizing a BIM technology to form a building full model; Model design is optimized, the whole building model is placed in a specific simulation environment, and the house type, size and orientation of the building are perfected; Carrying out deepening model design, splitting theoptimization model into single components, and carrying out shape optimization, steel bar configuration and collision detection on the single components according to splitting of the components; According to the detection result, all the elements are adjusted, the relation among all the elements is further perfected, a component deepening detail drawing is directly obtained through the BIM model,and the drawing should comprise a component size drawing, a pre-buried positioning drawing and a material list table, and an H-dimensional view is constructed. And an intelligent design technology isutilized, so that the construction of the fabricated building is more standardized, process-oriented, automatic and intelligent.
Owner:唐炳贵
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