Results 21 to 30 of about 4,605,835 (303)

Stochastic Energetics of Quantum Transport [PDF]

open access: yes, 2006
We examine the stochastic energetics of directed quantum transport due to rectification of non-equilibrium thermal fluctuations. We calculate the quantum efficiency of a ratchet device both in presence and absence of an external load to characterize two ...
A. Ajdari   +13 more
core   +2 more sources

Organic light emission structures — XXI century technologies [PDF]

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2009
The given review allows to believe, that the decision of a complex technological, materialstechnological, technical problems at creation modern OLED- and PLED-devices in nearest 5—10 years will result in creation of devices with power efficiency more ...
Sorokin V. M.   +3 more
doaj   +2 more sources

Pyridinyl-Carbazole Fragments Containing Host Materials for Efficient Green and Blue Phosphorescent OLEDs

open access: yesMolecules, 2021
Pyridinyl-carbazole fragments containing low molar mass compounds as host derivatives H1 and H2 were synthesized, investigated, and used for the preparation of electro-phosphorescent organic light-emitting devices (PhOLEDs).
Dovydas Blazevicius   +8 more
doaj   +1 more source

Energy efficiency in discrete-manufacturing systems: insights, trends, and control strategies [PDF]

open access: yes, 2019
Since the depletion of fossil energy sources, rising energy prices, and governmental regulation restrictions, the current manufacturing industry is shifting towards more efficient and sustainable systems.
Diaz Castañeda, Jenny Lorena   +1 more
core   +2 more sources

On the Optimal Current Followers for Wide-Swing Current-Efficient Amplifiers [PDF]

open access: yes2018 IEEE International Symposium on Circuits and Systems (ISCAS), 2018
The design of various current followers for the implementation of OTAs with high slew rate and current efficiency is addressed. Two basic current follower topologies are compared, and modifications of both followers to improve these parameters are presented. As an application example, an enhanced recycling folded cascode OTA is proposed.
López Martín, Antonio   +3 more
openaire   +3 more sources

Natural Kermes Dye as an Effective Additive for Electrochemical Deposition of Nickel from Watts-type Nickel Bath

open access: yesInternational Journal of Electrochemical Science, 2019
In this work, considerable improvements in the corrosion resistance as well as on the microhardness of the electrodeposited nickel from Watts-type nickel bath has been achieved by using Natural Kermes Dye (NKD) as an effective additive. The investigation
Manal A. El Sayed, Magdy A.M. Ibrahim
doaj   +1 more source

Recovery of Acid and Base from Sodium Sulfate Containing Lithium Carbonate Using Bipolar Membrane Electrodialysis

open access: yesMembranes, 2021
Lithium carbonate is an important chemical raw material that is widely used in many contexts. The preparation of lithium carbonate by acid roasting is limited due to the large amounts of low-value sodium sulfate waste salts that result. In this research,
Wenjie Gao   +4 more
doaj   +1 more source

Spin-filter tunnel junction with matched Fermi surfaces [PDF]

open access: yes, 2012
Efficient injection of spin-polarized current into a semiconductor is a basic prerequisite for building semiconductor-based spintronic devices. Here, we use inelastic electron tunneling spectroscopy to show that the efficiency of spin-filter-type spin ...
54597   +15 more
core   +2 more sources

The current efficiency during the cathodic period of reversing current in copper powder deposition and the overall current efficiency [PDF]

open access: yesJournal of the Serbian Chemical Society, 2003
The current efficiency during the cathodic period of reversing current in copper powder deposition was determined by measuring the quantity of hydrogen evolved. The diagrams from which the instantaneous and average current efficiencies for copper deposition can be extracted for any deposition time up to 30 min are given. A procedure for the calculation
Pavlović, Miomir   +2 more
openaire   +4 more sources

Current efficiency in the chlorate cell process [PDF]

open access: yesJournal of the Serbian Chemical Society, 2014
A mathematical model has been set up for current efficiency in a chlorate cell acting as an ideal electrochemical tubular reactor with a linear increase in hypochlorite concentration from the entrance to the exit.
Spasojević Miroslav D.   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy