Integrated CO2 capture and utilization (ICCU) has been regarded as an innovative strategy to realize large-scale emission reduction. The rational design of robust dual-function materials (DFMs) the optimization operating parameters are essential for intensification ICCU process. In this work, Ni-CaO DFMs pellets with Ni loadings varying in 1–20 wt % range prepared CO production via integrated reversed water gas shift (RWGS) reaction. effect loading on structure–reactivity relationships is...

Influence maximization is the problem of finding a set seed nodes in network that maximizes influence spread, which has become an important topic social analysis. Conventional algorithms cause “unfair" spread among different groups population, could lead to severe bias public opinion dissemination and viral marketing. To address this issue, we formulate fair concerning trade-off between group fairness. For purpose solving large-scale networks efficiently, propose novel attribute-based...

Remote sensing and GIS have been widely employed to study temporal spatial urban land use changes in southern southeastern China. However, few studies conducted northeastern regions. This analyzed change patterns of expansion the metropolitan area Jilin City, located on extension Changbai Mountain, based aerial photos from 1989 2005 Spot images. The results indicated that transportation increased dramatically (by 94.04% 211.20%, respectively); isolated industrial mining decreased moderately...

In this paper, Mg2Ni hydrogen storage alloy powder was prepared by high-energy ball milling mechanical alloying method, and the influence of stirring shaft rotation speed, time, different sizes mills on formation morphology, crystal structure during studied. The results show that obtained in work, efficiency increased about 76% compared with traditional method. case higher rotational speed or larger blades, time to generate can be advanced, process shortened, a particle size less than 10 um...

The massive growth of sports video has resulted in a need for automatic generation highlights that are comparable quality to the hand-edited produced by editors. Many methods have been applied this task and achieved some positive results. Unlike previous works ignoring multi-modality information, we propose novel system leverages visual audio information derived from soccer video. proposed involves three crucial tasks which can be jointly used produce automatically, i.e. play-back detection,...

In order to solve the problem of dispersion graphene in aluminum-based composite materials, a high-energy ball milling method was used prepare graphene/aluminum-based powder, and then graphene/aluminum material obtained by vacuum hot pressing. XRD, SEM, TEM were analyze study morphology microstructure powders, tensile mechanical properties, hardness fracture characteristics composites. The research results show that addition can reduce cold welding aluminum powder during process, obtain...

In this paper, a hydrogen storage alloy material with good performance, high preparation efficiency and partially amorphous magnesium-coated Mg2Ni structure was prepared by high-energy ball milling mechanical alloying. The effects of different Mg Ni mass ratios speed on their synthesis were investigated. results show that compared the alloy, thermodynamic kinetic properties change less, but capacity increases significantly. case ratios, formation time alloys is not much different, obtained...

High-entropy alloys (HEAs) have ample space for composition design, so finding an ideal hydrogen storage material is a great challenge. This work used the atomic radius difference, valence electron concentration, entropy, enthalpy, and new design parameters to develop new-type alloy with BCC structure. The V35Ti25Cr20Fe10Mn10 was selected by semi-empirical formula calculation, subsequently, successfully synthesized mechanical alloying, properties were evaluated. activated sample shows...

Project risk assessment is a critical activity adopted in project management process to prevent risks and enhance the success rate of projects. But so far it big challenge for managers experts combine their expertise with intelligent technology evaluate due insufficient related data. Based on this, novel attempt integrate analytic hierarchy (AHP) support vector regression (SVR) proposed build decision model. A prototype system called (PRADSS) which consists index system, AHP evaluation...

As the demand for customer service continues to increase, more companies are attempting apply artificial intelligence technology in field of service, enabling intelligent reducing pressure, and operating costs. Currently, existing has a limited degree can only answer simple user questions, complex expressions difficult understand. To solve problem low accuracy multi-round dialogue semantic understanding, this paper proposes understanding model based on fusion convolutional neural network...

In order to explore the best graphene raw materials for preparation of graphene-aluminum matrix composites by high-energy ball milling. The were prepared milling and vacuum hot pressing sintering, mechanical properties tested. enhancement effect reduced oxide (R-GNPs), multilayer (M-GNPs), (GO) was analyzed SEM, TEM, XRD, XPS, FT-IR spectroscopy. results show that is more significant, tensile strength can reach 329.256 MPa, hardness 136.3 ± 5 HV. GO forms a sandwich-type composite structure...

Using micron silicon as raw material and multi-layer graphene carbon source, a sandwich-type silicon-carbon composite is prepared by high-energy ball milling, in which micro-silicon particles are uniformly embedded between the layers of graphene. In process lithium deintercalation, sheet can effectively suppress volume expansion silicon, thereby improving high cycle performance electronic conductivity negative electrode ion batteries. The results show that average discharge specific...

Federated learning (FL) has been proposed as a novel paradigm to enable distributed on the edge with privacy protection. However, existing federated approaches mainly focus training deep classification and clustering models, no enough attention paid solve reinforcement task edge, challenging where multiple agents observe local state take actions train global model without revealing their dataset. In this paper, we propose generalised framework called FedMC that integrates models trained by...

The state-of-the-art deep neural network (DNN) achieves impressive performance on the input that is similar to training data. However, it fails make reasonable decisions quite different from data, i.e., out-of-distribution (OOD) examples. Although many techniques have been proposed detect OOD examples in recent years, still a lack of systematic study about effectiveness and robustness as well OOD-aware DNN models. In this paper, we conduct comprehensive unveil mystery current detection...

The shape of the blades horizontal agitating ball mill will greatly affect efficiency mill. In this article, by bending end mixing blade, using discrete element method and EDEM simulation to study effect blade angle on milling. degrees are 0 degrees, 3 5 10 respectively, main technical parameters powder force between particles, particle accumulation, energy utilization selected as for analysis. research results show that when design is 5°, accumulation rate reduced 32.48%, consumption...

With the rapid development of network and social media, operation maintenance department power supply enterprises is facing a complex situation public opinion. How to use deep learning method analyze opinion information topic worthy our consideration. In view high cost manual annotation training in field maintenance, combined with characteristics analysis this paper adopts active strategy dual channel convolution neural (WEP-CNN) model which integrates emotional polarity words The greatly...

Electricity is the most important energy driving force for people's production and life. Power customer service external communication window of power enterprises. With rapid development Deep Learning Artificial Intelligence in recent years, it has become future trend to use online Question Answer system solve user's problems real time. The knowledge base sorted out through historical dialogue data State Grid manual past. problem that similar new obtained by using "Question-Question"...

With the continuous development of computer technology, Internet has entered era big data, which spawned massive data in various fields and stored it database a structured form. As an important national infrastructure, power system is also constantly generating types become resource for daily operation maintenance. During interaction with database, business personnel need to manually write SQL statements, poses challenge large number nonprofessionals; At same time, experienced professionals,...