Search | Engineering

Subscribe Submit

Home Journals Focus Achievement Fronts About Us 中文版

Resource Type

Journal Article 174

Year

2024 1

2023 15

2022 13

2021 12

2020 13

2019 14

2018 14

2017 16

2016 6

2015 5

2014 5

2013 6

2011 6

2010 4

2009 9

2008 8

2007 8

2006 3

2005 1

2004 3

open ︾

Keywords

Human mobility 2

Microfabrication 2

drinking water 2

finite element method 2

mechanism 2

micro-arc oxidation 2

micro-hardness 2

mobility 2

simulation 2

/III-V interface 1

2-ethylhexyl 1

3D finite element modeling 1

in situ test 1

Iris lactea Pall. var. chinensis (Fisch.) Koidz 1

Serratia marcescens 1

AD9954 1

Acanthaceae 1

Acid Red 73 1

Additive manufacturing 1

open ︾

Search scope:

排序： Display mode:

Research on Active Handoff Mechanism in Micro-Mobility Protocols

Zhao Aqun

Strategic Study of CAE 2004, Volume 6, Issue 8, Pages 50-56

Abstract:

Aiming at the disadvantages of current handoff mechanisms in micro-mobility protocols, active handoffThis mechanism takes advantage of mobility prediction technique to predict the next cell a mobile hostTo guarantee the implementation of active handoff mechanism, a mobility prediction algorithm is proposed

Keywords： micro-mobility protocols active handoff mechanism mobility prediction performance evaluation

HTML PDF Collect

Social media and mobility landscape: Uncovering spatial patterns of urban human mobility with multi source

Yilan Cui, Xing Xie, Yi Liu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1068-1

Abstract:

Check-in and survey data are explored to identify personal activity-specific places.

Ways for detecting and moderating sample bias of Weibo check-in data is proposed.

A graphic representation of urban activity intensity in Beijing, China is presented.

The potential application of Weibo check-in data for urban analysis is introduced.

Keywords： Social media Human mobility Population bias Sample reconstruction Data integration

HTML PDF Collect

On the potential of iPhone significant location data to characterize individual mobility for air pollution

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-022-1542-7

Abstract:

● We evaluated the accuracy of iPhone data in capturing time-activity patterns.

Keywords： Air pollution exposure Human mobility iPhone Significant Location Smartphone data

HTML PDF Collect

Current Status and Future Development of Quantum Cryptographic Protocols

Zhang Xue, Gao Fei, Qin Sujuan, Zhang Ping

Strategic Study of CAE 2022, Volume 24, Issue 4, Pages 145-155 doi: 10.15302/J-SSCAE-2022.04.015

Abstract: of other protocols and other protocols are difficult to achieve breakthroughs.For example, at the micro level, new theories are required to combat the influence of channel noise andclassical cryptographic protocols.QPQ), it is feasible to design classical cryptographic protocols matching these quantum protocols toto be solved in future quantum cryptography and related research suggestions are provided from the micro

Keywords： quantum cryptography protocols quantum key distribution quantum digital signature quantum private

HTML PDF Collect

A visual graphic approach for mobility analysis of parallel mechanisms

Xu PEI, Jingjun YU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1, Pages 92-95 doi: 10.1007/s11465-011-0213-3

HTML PDF Collect

Analysis of the kinematic characteristics of a high-speed parallel robot with Schönflies motion: Mobility

Fugui XIE,Xin-Jun LIU

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 2, Pages 135-143 doi: 10.1007/s11465-016-0389-7

Abstract: A line graph method based on Grassmann line geometry is used to investigate the mobility characteristicsThe mobility analysis, inverse kinematics modeling, and singularity analysis conducted in this study

Keywords： parallel robot mobility inverse kinematics singularity transmission performance

HTML PDF Collect

Erratum to: On the potential of iPhone significant location data to characterize individual mobility

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1556-1

HTML PDF Collect

PM-support interfacial effect and oxygen mobility in Pt, Pd or Rh-loaded (Ce,Zr,La)O catalysts

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1369-z

Abstract:

• Pt/CZL exhibits the optimum catalytic performance for HC and NO_x elimination.

Keywords： Precious metal-loaded (Ce Zr La)O₂ catalysts Oxygen mobility Catalytic performance

HTML PDF Collect

Flexible micro flow sensor for micro aerial vehicles

Rong ZHU, Ruiyi QUE, Peng LIU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 4, Pages 539-545 doi: 10.1007/s11465-017-0427-0

Abstract:

This article summarizes our studies on micro flow sensors fabricated on a flexible polyimide circuitThe micro flow sensor has merits of flexibility, structural simplicity, easy integrability with circuitsIn our study, we install the fabricated micro flow sensors on micro aerial vehicles (MAVs) to detect

Keywords： micro flow sensor flexible sensor surface flow sensing aerodynamic parameter micro aerial vehicle (MAV

HTML PDF Collect

Dependence of error sensitivity of frequency on bias voltage in force-balanced micro accelerometer

Lili CHEN, Wu ZHOU

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2, Pages 146-149 doi: 10.1007/s11465-013-0260-z

Abstract:

To predict more precisely the frequency of force-balanced micro accelerometer with different biasBased on the theoretical results, micro accelerometer is fabricated and tested to study the influences

Keywords： Micro-Electro-Mechanical Systems (MEMS) micro accelerometer force-balanced micro accelerometer frequency

HTML PDF Collect

Microbial responses to the use of NaClO in sediment treatment

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1451-1

Abstract:

• Chlorine addition enhanced the release of TOC, TN from the sediment.

Keywords： Sediment chlorination Substance mobility Microbial response Community composition Function

HTML PDF Collect

Numerical simulation of micro scale flowing and boiling

Wen WANG, Rui ZHUAN,

Frontiers in Energy 2009, Volume 3, Issue 4, Pages 396-401 doi: 10.1007/s11708-009-0049-2

Abstract: Numerical simulations of flowing and boiling in micro channels are presented, including the modelingThe simulated results also show the details of 3-dimensional heat transfer and the flow in micro channels, which are helpful to the investigation of the mechanism of two-phase heat transfer and flow in micro

Keywords： volume-of-fluid (VOF) micro channel nucleate boiling bubble dynamics simulation

HTML PDF Collect

Dynamical research on spherical micro actuator with piezoelectric ceramic stacks drivers

ZHANG Ruihua, CHEN Haichu

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4, Pages 433-438 doi: 10.1007/s11465-007-0074-y

Abstract: This paper develops a 30 mm × 30 mm × 50 mm spherical micro actuator driven by piezoelectric ceramicwith a micro-gripper based on the sample spherical micro actuator, and the experimental research onthe micro assembly is conducted between a micro shaft of 180 μm and a micro spindle sleeve of 200 μm.the metal sphere and the friction block of the micro driving unit are analyzed.micro operation and assembly for micro electro mechanical systems (MEMS) or other microelements in micro

Keywords： spherical micro-gripper friction coefficient dynamic frequency

HTML PDF Collect

Laboratory assessment of Alaska aggregates using Micro-Deval test

Jenny LIU,Sheng ZHAO,Anthony MULLIN

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1, Pages 27-34 doi: 10.1007/s11709-016-0359-5

Abstract: This paper presents a study to investigate the feasibility of using Micro-Deval test, commonly used inMicro-Deval test, Washington degradation test and other tests currently specified in Alaska were conductedBased on the testing results, it is found that using Micro-Deval test for durability assessment of Alaskaaggregates was feasible and reproducible, and a high potential was revealed to use Micro-Deval testIt is recommended that Micro-Deval test be considered as an additional test for a certain period, but

Keywords： aggregate durability Washington degradation test Micro-Deval test

HTML PDF Collect

Characterization of micro-mixing in a novel impinging streams reactor

Hui HU, Zhiming CHEN, Zhen JIAO

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1, Pages 58-64 doi: 10.1007/s11705-009-0106-8

Abstract: increase of flux, the decrease of inter-nozzle distance and a suitable circulation can improve the micro-mixingBased on turbulence theory, it was estimated that the characteristic micro-mixing time was 0.002—0.02The micro-mixing time was related to the segregation index, which was in good agreement with those in

Keywords： micro-mixing impinging streams reactor turbulent mixing mass transfer