Search | Engineering

Subscribe Submit

Home Journals Focus Achievement Fronts About Us 中文版

Resource Type

Journal Article 79

Year

2023 5

2022 4

2021 9

2020 2

2019 1

2018 1

2017 2

2015 1

2014 16

2013 3

2012 2

2011 4

2010 2

2009 7

2008 2

2007 3

2006 3

2005 2

2004 1

2003 1

open ︾

Keywords

blasting 3

charge separation 3

combustion 3

demolition blasting 3

State of charge 2

blasting demolition 2

blasting vibration 2

charge transfer 2

control 2

engineering water-pressure blasting 2

-6-aminobenzoxazole 1

4′-aminophenyl 1

ANSYS/LS-DYNA 1

Algal removal 1

Bi doping 1

Bi₂O₃ 1

Bi₂WO₆ 1

Biomarker 1

CH₄ dissociation 1

open ︾

Search scope:

排序： Display mode:

Research on Propagation Characteristic in Close-in Field of Shock Wave of TNT Charge Explosion

Zhou Fengjun,Zheng Lei,Sun Yunhou,Zhang Ao and Xia Ming

Strategic Study of CAE 2017, Volume 19, Issue 6, Pages 18-26 doi: 10.15302/J-SSCAE-2017.06.004

Abstract: explosion theory of point source, this study obtains the solution of a strong explosion of one-dimensional TNTpoint source charge, line source charge, and plate source charge blasting in a close-in flow field.this study investigates the propagation characteristic in the close-in field of a shock wave of the TNTspherical charge explosion in real air condition by using the dimensional state equations of real airand the detonation products of a TNT spherical charge.

Keywords： charge blasting of TNT state equations of real air plate source charge line source charge point sourcecharge anti-blast protection

HTML PDF Collect

Numerical simulation of blasting effect with divided charge structure

Hu Tao ,Li Xianglong,Guan Si ,He Lihua

Strategic Study of CAE 2014, Volume 16, Issue 11, Pages 36-41

Abstract: numerically simulates the stress development and generates a three-dimensional model of the medium-deep hole blastingin infinite rock mass for continuous charge and divided charge in blasting by using the large-scaleThe difference of the decreasing rate in Von Mises effective stress of blasting, element effective stressIt is shown that divided charge could greatly improve the blasting effect by engineering blasting practice

Keywords： Moderate long hole bench blasting Divided charge ANSYS/LS-DYNA Numerical simulation

HTML PDF Collect

Charge-carrier photogeneration and extraction dynamics of polymer solar cells probed by a transient photocurrentnearby the regime of the space charge-limited current

Boa Jin, Hyunmin Park, Yang Liu, Leijing Liu, Jongdeok An, Wenjing Tian, Chan Im

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1, Pages 164-179 doi: 10.1007/s11705-020-1976-z

Abstract: To understand the complex behaviors of photogenerated charge carriers within polymer-based bulk-heterojunction-typesolar cells, the charge-carrier photogeneration and extraction dynamics are simultaneously estimatedand the number of the initially photogenerated charge carriers, the external quantum efficiencies asSubsequently, the charge-carrier concentration-dependent mobility values were obtained, and they areduring the charge-carrier extraction that also affects the photocurrent-trace shape.

Keywords： charge-carrier photogeneration transient photocurrent polymer solar cells charge-carrier extraction spacecharge-limited current

HTML PDF Collect

Safety assessment for buried drainage box culvert under influence of underground connected aisle blasting

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2, Pages 191-204 doi: 10.1007/s11709-022-0906-1

Abstract: Blasting engineering in complex urban environments is considered to influence the safety and stabilityTherefore, field blasting and vibration tests were performed on the blasting engineering of the Wuhanused to analyze the dynamic response characteristics of an underground drainage box culvert during the blastingThe vibration response evolution law of the buried drainage box culvert under blasting vibration was

Keywords： drainage box culvert underpass blasting dynamic response numerical simulation safety assessment

HTML PDF Collect

Progresses in Explosive Materials and Engineering Blasting

Wang Xuguang

Strategic Study of CAE 2002, Volume 4, Issue 4, Pages 36-40

Abstract:

The progresses in explosive materials and engineering blasting in the recent five years at home and

Keywords： explosive blasting accessories blasting

HTML PDF Collect

Study on Blasting Fragmentation Control for Moderate Deep Hole in Underground Mine

Zhao Yanwei,He Dongmei,Li Xianglong,Liu Junxuan

Strategic Study of CAE 2014, Volume 16, Issue 11, Pages 48-52

Abstract:

The scallop moderate longhole blasting mining method in Da Hong-shanIn order to realize the mine production efficient development, the circular moderate longhole blastingThe test results show that circular hole blasting can reduce the block rate is reduced to 10.3%, andthe traditional scallop moderate longhole blasting mining compared with the average lump ore decreasedof detonators, the efficiency of drawing and at the same time, reduce the mining cost ,achieved good blasting

Keywords： The scallop moderate longhole blasting the circular moderate longhole blasting lump ore blasting effect

HTML PDF Collect

Charge and separation characteristics of nanofiltration membrane embracing dissociated functional groups

Zhun MA,Meng WANG,Xueli GAO,Congjie GAO

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5, Pages 650-658 doi: 10.1007/s11783-013-0605-1

Abstract: The current work focused on the investigation of charge and separation characteristics of nanofiltrationThe electro-kinetic method was carried out to assess the membrane volume charge density ( ) with differentthat the dissociation of the hydrophilic functional groups and the specific adsorption contributed to chargeHowever, for type 3–1 electrolyte, specific adsorption should contribute to the charge effect to a largeMoreover, the correlation between the volume charge density and feed concentration was in accordance

Keywords： Sulfonated polyethersulfone nanofiltration membrane charge characteristics electro-kinetic method volumecharge density separation behavior

HTML PDF Collect

Design，test and construction of the LKP1000-type movable shot blasting machine

Zhou Chang,Kan Rong ,Zhou Yi,Jiang Qin,Zhu Liang

Strategic Study of CAE 2013, Volume 15, Issue 8, Pages 84-88

Abstract:

Shot blasting process is a process which use of shot blasting materialIn order to make the working efficiency and process of shot blasting machine more optimization, thisthrough mathematical analysis and validation adjustment by experimental machine design new type of shot blastingThis research conduct optimize design and discussion for the size and position of key parts of shot blastingwidth reach 1 000 mm, and at the same time ensure best shot blasting effect.

Keywords： shot blasting machine shot blasting apparatus surface treatment experimental machine shot blastingwidth shot blasting effect

HTML PDF Collect

Visible-light-driven heterostructured g-CN/Bi-TiO floating photocatalyst with enhanced charge carrier

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1417-3

Abstract:

• Bi doping in TiO₂ enhanced the separation of photo-generated electron-hole.

Keywords： Bi doping Visible light Algal removal Charge carrier separation

HTML PDF Collect

Numerical simulation of charge stratifications to improve combustion and NO formation of lean-burn SI

Zhijun PENG ,

Frontiers in Energy 2009, Volume 3, Issue 3, Pages 353-358 doi: 10.1007/s11708-009-0035-8

Abstract: The influences of charge stratification on spark ignition (SI) engine combustion and NO emission werethe cylinder was divided spherically into three parts: a central core with a stoichiometric air-fuel charge, a dilution region without any combustible charge, and a mixing region lying between the core and theThe results indicate that the extent of combustible charge in the mixing region could reduce in-cylinderlong as the degree of dilution in the mixing region is within the dilution limit of the combustible charge

Keywords： charge stratification SI engine lean-burn combustion NO emission

HTML PDF Collect

The Vibration Testing Analysis of Chamber & Deep-hole Pre-splitting Blasting

Shen Zhenyu,Wang Xuguang,Yu Yalun,Liu Honggang

Strategic Study of CAE 2006, Volume 8, Issue 3, Pages 70-74

Abstract:

The vibration testing analysis of blasting in Tai-Chang freeway show that it is chamber & deep-holepre-splitting blasting that can strikingly drop the seismic effect of chamber blasting, so it effectivelysolves some problems of slope stability, slope quality and safety of building & structure that blastingThe improved technique of chamber blasting is beneficial to extending its scope of application so that

Keywords： chamber blasting deep-hole pre-splitting blasting blasting vibration vibration testing analysis

HTML PDF Collect

membranes using SPES as a hydrophilic polymer for the effective removal of dyes via steric hindrance and charge

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10, Pages 1555-1567 doi: 10.1007/s11705-023-2338-4

Abstract: separation method for effective fractionation of dyes based on the influence of steric hindrance and chargeresulted in a membrane with reduced pore size and molecular weight cut-off as well as amplified negative chargeThis was attributed to the size effect and the synergistic effect between steric hindrance and chargeNotably, the synergistic impact decreased with dye molecular weight, while greater membrane negative charge

Keywords： adipic acid loose nanofiltration membrane dye/salt selective separation steric hindrance charge effect

HTML PDF Collect

Current Situation and Prospect of Precision Blasting

Xie Xianqi

Strategic Study of CAE 2014, Volume 16, Issue 11, Pages 14-19

Abstract:

Precision blasting is different from control blasting, was regarded as the symbol of development newstage of engineering blasting.With regard to the prospect of precision blasting, following aspects should be studied furthermore: (1) In order to provide theoretical basis of explosive energy release and quantitative blasting designNumerical simulation was an important method for engineering blasting scheme optimization and blasting

Keywords： Precision blasting current situation information technology standardization prospect

HTML PDF Collect

New technology of double-pipe protecting borehole wall blasting

Pu Chuanjin,Xiao Zhengxue,Zhang Zhicheng,Hao Yafei

Strategic Study of CAE 2009, Volume 11, Issue 8, Pages 88-92

Abstract:

Double-pipe protecting borehole wall balsting,a new control blastingand directional fracture controlled blasting.The characteristics of the new blasting technology, matching sets and explosion mechanism are detailedlyintroduced in the paper.The results of experiment on single borehole model blasting and tunnel diggingtesting indicate that it has very good blasting effect.

Keywords： blasting engineering double-pipe protecting borehole wall balasting sets blasting mechanism dynamic

HTML PDF Collect

Effects of operating conditions on membrane charge property and nanofiltration

Li XU, Li-Shun DU, Jing HE

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4, Pages 492-499 doi: 10.1007/s11705-011-1143-7

Abstract: conditions on the permeate flux and the retention rate were explained by the variation of the membrane charge

Keywords： nanofiltration membrane streaming potential Zeta potential permeate flux retention rate

HTML PDF Collect

Title Author Date Type Operation

Research on Propagation Characteristic in Close-in Field of Shock Wave of TNT Charge Explosion

Zhou Fengjun,Zheng Lei,Sun Yunhou,Zhang Ao and Xia Ming

Journal Article

Numerical simulation of blasting effect with divided charge structure

Hu Tao ,Li Xianglong,Guan Si ,He Lihua

Journal Article

Charge-carrier photogeneration and extraction dynamics of polymer solar cells probed by a transient photocurrentnearby the regime of the space charge-limited current

Boa Jin, Hyunmin Park, Yang Liu, Leijing Liu, Jongdeok An, Wenjing Tian, Chan Im

Journal Article

Safety assessment for buried drainage box culvert under influence of underground connected aisle blasting

Journal Article

Progresses in Explosive Materials and Engineering Blasting

Wang Xuguang

Journal Article

Study on Blasting Fragmentation Control for Moderate Deep Hole in Underground Mine

Zhao Yanwei,He Dongmei,Li Xianglong,Liu Junxuan

Journal Article

Charge and separation characteristics of nanofiltration membrane embracing dissociated functional groups

Zhun MA,Meng WANG,Xueli GAO,Congjie GAO