Results 91 to 100 of about 1,877,623 (300)

Supersymmetry and Localization in the Quantum Hall Effect

open access: yes, 1997
We study the localization transition in the integer quantum Hall effect as described by the network model of quantum percolation. Starting from a path integral representation of transport Green's functions for the network model, which employs both ...
Affleck   +34 more
core   +1 more source

Four‐Point Bending Tests at High Temperatures on Commercial MgO‐C Refractory Bricks with and Without Recyclate Considering Different Carbon Contents

open access: yesAdvanced Engineering Materials, EarlyView.
Four‐point bending tests are conducted in an argon atmosphere on commercial MgO‐C brick grades with and without MgO‐C recyclate from room temperature up to 1300 °C. No detrimental effect of the MgO‐C recyclates on bending strength is found. Instead, a decisive influence of the total carbon content is observed, with lower total carbon contents ...
Alexander Schramm   +5 more
wiley   +1 more source

Project scheduling techniques at the Vlaamse Maarschappij voor Watervoorziening. [PDF]

open access: yes
The scheduling of activities over time has gained increasing attention with the development of the Critical Path Method (CPM) and the Program Evaluation and Review Technique (PERT).
Demeulemeester, Erik, Vanhoucke, Mario
core  

An attempt to observe economy globalization: the cross correlation distance evolution of the top 19 GDP's

open access: yes, 2005
Economy correlations between the 19 richest countries are investigated through their Gross Domestic Product increments. A distance is defined between increment correlation matrix elements and their evolution studied as a function of time and time window ...
Borges E. P.   +13 more
core   +1 more source

Al–Cu Composite Casting of Laser‐Deoxidized Copper: Bonding, Interfacial Chemistry, and Thermal Conductivity

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates laser‐based oxide removal of Cu inserts in oxygen‐free conditions and examines long‐term oxidation kinetics and surface chemistry under different atmospheres via X‐ray photoelectron spectroscopy. Al–Cu compound casting with differently oxidized surfaces is performed, and intermetallic phase formation, morphology, and thermal ...
Timon Steinhoff   +9 more
wiley   +1 more source

Impact of Baseline Terms on the Course of Critical Paths and Time Buffers in the Modified Goldratt’s Method

open access: yesArchives of Civil Engineering, 2013
The introduction of a baseline term to the dependency network most often results in a change, break and/or generation of a new sequence of critical path, depending on the type of such a baseline term and the exact date selected.
Połoński M., Pruszyński K.
doaj   +1 more source

Analisis Jaringan Kerja Untuk Penjadwalan Kegiatan Dan Alokasi Pembiayaan Pada Proyek Pembangunan Komplek Gedung Serbaguna Menggunakan Critical Path Method [PDF]

open access: yes, 2011
Sebuah proyek secara umum dapat didefinisikan sebagai suatu rangkaian kegiatan yang mempunyai jangka waktu tertentu dan harus dilaksanakan serta diselesaikan untuk mencapai satu tujuan.
Leopoldus Ricky Sasongko   +2 more
core  

Theoretical analysis for critical fluctuations of relaxation trajectory near a saddle-node bifurcation

open access: yes, 2010
A Langevin equation whose deterministic part undergoes a saddle-node bifurcation is investigated theoretically. It is found that statistical properties of relaxation trajectories in this system exhibit divergent behaviors near a saddle-node bifurcation ...
C. W. Gardiner   +9 more
core   +1 more source

Investigation of Oxygen‐Free Wetting Behavior of Aluminum on Copper via Molecular Dynamics Simulations and Experiments

open access: yesAdvanced Engineering Materials, EarlyView.
The wettability of aluminum droplets (Al) on different copper substrates (Cu), where liquid Al spreads on solid Cu surfaces to form a liquid–solid interface, is studied numerically and experimentally. The experimental and numerical results show good agreement in the fast‐spreading regime.
Shan Lyu   +8 more
wiley   +1 more source

Time And Cost Controlling Using Critical Path Method (Case Study At Palur Fly-Over Surakarta) [PDF]

open access: yes, 2015
-The purpose of this study is to (1.To analyze the remaining work items at month of 14th from the project starts, 2). To analyze the remaining cost items at month of 14th after the project start. And the last is 3).
, Ir. M. Nur Sahid, M.T., M.M   +2 more
core  

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