Results 71 to 80 of about 147,214 (199)

Resonance Kondo Tunneling through a Double Quantum Dot at Finite Bias

, 2003
It is shown that the resonance Kondo tunneling through a double quantum dot (DQD) with even occupation and singlet ground state may arise at a strong bias, which compensates the energy of singlet/triplet excitation.
A. Abrikosov, A. Kaminski, A. Kaminski, A. Rosch, A. Rosch, A.A. Abrikosov, B.A. Jones, D. Giuliano, D. Goldhaber-Gordon, F. Simmel, J. Nygård, K. Kikoin, K. Kikoin, K. Kikoin, K. Kikoin, L. W. Molenkamp, L.I. Glazman, L.W. Molenkamp, M. Eto, M. Eto, M. N. Kiselev, M. Pustilnik, M. Pustilnik, M. Pustilnik, M.H. Hettler, M.N. Kiselev, M.N. Kiselev, O. Parcollet, R. López, S. Sasaki, S.M. Cronenwett, T. Fujii, T.K. Ng, T.K. Ng, T.V. Shahbazyan, V.N. Popov, W. Hofstetter, W. Izumida, W.G. van der Wiel, Y. Goldin, Y. Goldin, Y. Meir, Y. Meir, Y. Takazawa   +43 more
core   +1 more source

Unstuck Technology for EPB/TBM Dual Mode Shield Machine Stuck in Rock Stratum

Chengshi guidao jiaotong yanjiu
［Objective］ During the tunneling process of the EPB (earth pressure balance shield machine)/TBM (full-face hard rock tunnel boring machine) dual-mode shield tunneling machine, problems such as excessive wear of the cutting tools and improper setting of ...
DUAN Yueqiang
doaj   +1 more source

Kondo effect of a Co atom on Cu(111) in contact with an Fe tip

, 2010
Single Co atoms, which exhibit a Kondo effect on Cu(111), are contacted with Cu and Fe tips in a low-temperature scanning tunneling microscope. With Fe tips, the Kondo effect persists with the Abrikosov-Suhl resonance significantly broadened. In contrast,
A. C. Hewson, J. Kröger, N. Néel, R. Berndt   +3 more
core   +1 more source

Muck Problems in Subway Shield Tunneling in Sandy Cobble Stratum

Polish Maritime Research, 2016
Experiments aiming at the muck improvement for Chengdu’s subway shield tunneling in water-rich sandy cobble ground initially finds out the kinds and ratio of muck improver suitable for the this strata, and through the field application determines the ...
Cui Kai, Lin Weikang
doaj   +1 more source

Self-adaptive Adjustment of Shield Tunneling Parameters and Land Subsidence Control Based on Regional Geological Information

Chengshi guidao jiaotong yanjiu
Objective At present, it has become a trend that the method of machine learning is used to predict land subsidence. However, most of the land subsidence prediction models established based on geological parameters and shield tunneling parameters are ...
CAO Tiejun
doaj   +1 more source

Advanced Prediction Method for Shield Tunneling Cutterhead Torque Based on WaveNet Network

Chengshi guidao jiaotong yanjiu
Objective Cutterhead torque is a crucial parameter that characterizes the safety of shield tunneling and the operating status of equipment. To address the difficulties in cutterhead torque prediction and excavation parameters timely correction, an ...
WANG Bozhi, DING Shuang, HUANG Yongliang, CHEN Wenming, XIE Hao, PENG Zihui, WU Weifeng, WANG Jiaye   +7 more
doaj   +1 more source

Predicting Model of Dual-Mode Shield Tunneling Parameters in Complex Ground Using Recurrent Neural Networks and Multiple Optimization Algorithms

Applied Sciences
Based on the left tunnel of the Liuxiandong Station to Baimang Station section of Shenzhen Metro Line 13 (China), a prediction model for the advanced rate of dual-mode shield tunneling in complex strata was established to explore intelligent tunneling ...
Taihua Yang, Tian Wen, Xing Huang, Bin Liu, Hongbing Shi, Shaoran Liu, Xiaoxiang Peng, Guangzu Sheng   +7 more
doaj   +1 more source

Disturbance Response and Control of Shield Construction Adjacent to Bridge and High-rise Buildings

Chengshi guidao jiaotong yanjiu
［Objective］The tunnel between Shengchanlu Station and Lihuanglu Station on Jinan Metro Line 2 passes in close proximity to the pile foundations of an elevated bridge and the Eurasia Electronics Building complex.
CHONG Jixin, XU Qianwei, HE Xiang, ZHANG Kun, XUE Hairu, LIU Yi   +5 more
doaj   +1 more source

Application of improved cutterhead technology of shield machine in anchor cable zones

Frontiers in Earth Science
The shield crossing an anchor cable zone can cause the anchor cable to wrap around the cutter, creating construction problems. To address this issue, we developed an improved cutterhead technology for the shield machine which was successfully used during
Yunhong Lin, Guoxu Cao, Xiaodong Guo
doaj   +1 more source

Application of Modified Peck Formula for Metro Shield Tunneling Construction inWater-bearing Sandy Soil Layers in Nanchang

Chengshi guidao jiaotong yanjiu
[Objective] Due to the influence of geological conditions, tunnel burial depth, tunnel diameter, and properties of the overlying soil layer, the Peck formula exhibits significant deviations when applied to the shield tunneling construction in water ...
ZHOU Chenghua, WANG Shunmin, LIN Xiaoqiong, XU Kaicheng, CHEN Mengcheng, ZHANG Ji   +5 more
doaj   +1 more source