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1085results about How to "Novel method" patented technology

Method for calculating tracing contribution of sudden accidental water pollution source at a point source

The invention relates to a method for calculating the tracing contribution of a sudden accidental water pollution source at a point source, which is effective in rapid tracing of a river basin and environmental management and protection of the river basin. The method includes: according to the natural geographical features of the river basin, determining the control area corresponding to the control section of the river basin; using the monitoring data of the pollution source and the statistical data of the pollution source to budget regarding the pollution source in the river basin; using a one-dimensional unsteady water quality model to establish the relationship between pollution source and water quality of the section; using the relationship between pollution source and water quality of the section to calculate the contribution coefficient of the pollution source within the river basin and characterizing the contribution of pollution sources. The method is novel and unique, easy tooperate and use, accurate in calculation, and high in efficiency, makes full use of the basic information of the existing pollution source, quickly feeds back the state of the pollution source in theriver control section in a short time, locks the pollution source which has relatively greater contribution to the river water quality in the river basin, provides the support for the pollution tracing of the river basin, and is effectively used for the environmental protection and treatment of the river.
Owner:ZHENGZHOU UNIV

Modular, hierarchically organized artificial intelligence entity

A modular artificial intelligence learning entity (a "golem") which is replicated many times to form a super-entity that shows intelligent behavior transcending that of its individual constituents. Within the group of golems, individual golems may occupy roles, and are role differentiated, in that structurally identical entities perform different functions and exhibit different behavior depending on their personas and the learning they have completed as driven by other entities. The group of golems is hierarchically organized, in the sense that 'superior' entities issue policies to 'subordinate' entities. In addition to responding to 'sense' input from its environment, the golem responds to policy requirements set by other entities, including its superiors, and in turn sets policy requirements for its subordinates. Actions of the golem are measured for successful compliance with that golem's policies by its superior, who directs the golem's learning process. The super-entity thus gains intelligence through the policy reinforcement occurring in each superior-subordinate relationship. This scheme is well adapted to working over a network with logically separated but communicating golems. Its flexibility allows its application both to single complex problems and to repetitively occurring simple problems. Opportunities for its use arise in operating environments, in simulation and gaming, and in research.
Owner:HOGAN MICHAEL ANDREW

Tool wear condition prediction method of numerical control machine tool based on parallel deep neural network

The invention discloses a tool wear condition prediction method of a numerical control machine tool based on a parallel deep neural network. A dynamometer, an acceleration sensor and an acoustic sensor are installed on a workbench and a fixture of the numerical control machine tool; a milling experiment is conducted, the cutting force and vibration and acoustic signals of a milling process are collected so as to obtain multisensor data, and the wear capacity of a tool is collected; pretreatment is performed so as to obtain training data and to-be-tested data; a parallel deep neural network model is established; the treated training data and the label of the wear capacity of the tool are input into an offline training model in the parallel deep neural network model; and the to-be-tested multisensor data are introduced into the trained model so as to predict the wear capacity of the tool in real time and on line. According to the method, the implied characteristics during tool processingof the numerical control machine tool are fully mined, and the wear capacity of the tool can be predicted in real time. The method has the advantage of wide applicability and can be widely applied tovarious numerical control machine tools.
Owner:ZHEJIANG UNIV

Implementation method of reversible addition fragmentation chain emulsion polymerization

The invention discloses an implementation method of reversible addition fragmentation chain emulsion polymerization. 20-40 parts by weight of water, 0.1-2 parts by weight of bipolar macromolecule reversible addition fragmentation chain reagent, 1-20 parts by weight of monomer and 0.005-0.2 part by weight of micromolecule reversible addition fragmentation chain reagent are added into a reactor, stirring to be uniform is carried out, stirring is carried out, nitrogen is led in, heating is carried out until the temperature is increased to be 50-80 DEG C, 0.004-0.08 part by weight of water soluble initiator is added, initiated polymerization is carried out for 10-60min, 0-2 parts by weight of alkaline aqueous solution is added, and polymerization is continued for 0.5-5h. The invention utilizes bipolar macromolecule reversible addition fragmentation chain reagent with special structure as emulsifier and chain transfer agent, micromolecule reversible addition fragmentation chain is combined with emulsion polymerization, alkali is replenished, so as to improve the stability of emulsion; besides, process is simple, energy consumption is low, reaction time is short, conversion rate is high, no traditional emulsifier is adopted, molecular weight is consistent with design value, and molecular weight distribution is less than 2.0, thus having good industrialization prospect.
Owner:ZHEJIANG UNIV

Superfast heat treatment method of high-speed steel

The invention relates to a superfast heat treatment method of high-speed steel. The problems that high-strength steel is low in heat treatment efficiency, wastes energy and pollutes the environment are solved. According to the method, a heating device is adopted to heat the high-strength steel to the peak temperature Tp from the room temperature within 30 s, heat preservation is carried out for 5to 10 s, a cooling device is used for cooling the high-strength steel to the room temperature within 5 to 10 s, and the whole process is finished within 60 s; the high-strength steel is a steel wire or steel strip with the carton content ranging from 0.16 to 0.55% and the diameter or thickness being 5 mm or below; Tp exceeds the austenite transformation temperature Ac3 by more than 50 DEG C, Tp isequal to 1000 to 1200 DEG C, the maximum heating speed exceeds 400 DEG C/s, the maximum cooling speed exceeds 3000 DEG C/s, and 50cm/min continuous work is achieved. The method is novel and unique, scientific and reasonable, easy to operate, convenient to use, high in work efficiency, energy-saving, environment-friendly and capable of being widely applied to heat treatment strengthening of thin-specification steel strips and small-specification wire rods, and the method is creation of the high-strength steel heat treatment.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

Device and method for detecting cold damage of peach fruits based on hyperspectral images

The invention relates to a device and a method for detecting cold damage of peach fruits based on reflection and semi-transmission hyperspectral images, belonging to the field of a non-destructive testing technology of quality of agricultural products. The method comprises the steps of: acquiring reflection and semi-transmission hyperspectral images of harvested peaches in different cold damage stages during low temperature storage through a hyperspectral imager, analyzing the difference between spectral values and images of peach fruits suffering from cold damage and normal peach fruits, extracting characteristic parameters of response, optimizing and determining a variable set of reflecting cold damage characteristics of the peach fruits, and establishing a mathematic model for judging the cold damage of the peach fruits based on a Fisher discrimination method, wherein the discrimination accuracies of the established detection models based on the reflection and semi-transmission hyperspectral images respectively reach 85.6 percent and 95.6 percent. The method is capable of accurately identifying the harvested peach fruits suffering from the cold damage instead of manual detection so that the loss of storage of the harvested fruits is reduced, and can be used for detection and monitoring in circulation, storage and marketing process of harvested fruits.
Owner:NANJING AGRICULTURAL UNIVERSITY

Partition definition computing method for river environmental flow of artificially interfered area without hydrological data

The invention aims to provide a partition definition computing method for the river environmental flow of an artificially interfered area without hydrological data, and can effectively solve the computing problem of the river environmental flow of the artificially interfered area without hydrological data. On the premise of river water ecology function, the composition of environmental flow is defined, then the average runoff volume and annual distribution of the river in the area without hydrological data are studied by utilizing a hydrologic analogy method and a parameter contour line method; according to the flow data on this basis, the environmental flow of different partitions is computed, and the environmental flow of different nodes of the river is determined. The method is novel, unique and scientific, and is an environmental flow computing method based on functional requirements; and water resource optimization and deploying and water conservancy project ecology scheduling can be carried out on the rivers which are greatly affected by artificial interference degree and lack of hydrological data, so that the minimum environmental flow required for normally developing river functions is guaranteed, the river ecological system is repaired, the river ecological environment is protected, and the economic and social benefits are great.
Owner:ZHENGZHOU UNIV
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