Results 21 to 30 of about 1,593,242 (308)

Antioxidant high-conductivity copper paste for low-cost flexible printed electronics

open access: yesnpj Flexible Electronics, 2022
The flexible printed electronics (e.g., wearable devices, roll-up displays, heating circuits, radio frequency identification (RFID) tags) calls for high-conductivity and low-cost materials, particularly for copper pastes.
Shuqing Hong   +6 more
doaj   +1 more source

Formation of a research base on the Saratov voivodes of 1590–1700 [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: История. Международные отношения
The article deals with the question of how the accumulation of information about the leaders of Saratov, who served here since the founding of the city and up to the beginning of the XVIII century.
Rabinovich, Yakov N.
doaj   +1 more source

The microstructure, mechanical and electrochemical properties of 3D printed alloys with reusing powders

open access: yesScientific Reports, 2023
CoCrMo and Ti6Al4V are widely used in medical, dental and 3D printing technology, allowing the accurate fabrication of geometrically complicated structures.
Mirjam Bajt Leban   +2 more
doaj   +1 more source

Gamow-Jordan Vectors and Non-Reducible Density Operators from Higher Order S-Matrix Poles [PDF]

open access: yes, 1997
In analogy to Gamow vectors that are obtained from first order resonance poles of the S-matrix, one can also define higher order Gamow vectors which are derived from higher order poles of the S-matrix.
A. Bohm   +7 more
core   +2 more sources

Technology options for embedding low-profile electronic components in printed circuit boards

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2018
In order to improve the overall characteristics of printed circuit boards, two technologies for the formation of multilayer printed circuit boards have been developed - with the embedding of low-profile electronic components in a layer of fiberglass and ...
A. A. Efimenko, V. O. Ryabov
doaj   +1 more source

On the Feasibility of Printing 3D Composite Objects Based on Polypropylene/Multi-walled Carbon Nanotubes [PDF]

open access: yesMATEC Web of Conferences, 2019
In this paper, the feasibility of 3D printing polypropylene/ multi-walled carbon nanotube (PP/MWCNT) composites by fused deposition modeling. First, the rheological behavior of PP with 0.3, 0.5 and 1 wt.% of MWCNT was investigated in order to determine ...
Stanciu Nicoleta-Violeta   +3 more
doaj   +1 more source

Shared reading of children's interactive picture books [PDF]

open access: yes, 2014
We report on a study of children and parents shared reading of interactive printed books. We investigated the differences between books with interactive features and books with expressive typography in order to evaluate which features within a book ...
B. Bongers   +11 more
core   +2 more sources

An 80.000 Print Order [PDF]

open access: yesChemical & Engineering News Archive, 1953
WITH last week's issue the print order for CHEMICAL AND ENGINEERING NEWS passed the 80,000 mark. The 50,000 mark was reached on March 10, 1946, while a decade ago the average print order was but slightly over 30,000. The first issue of the NEWS EDITION of Industrial and Engineering Chemistry (now C&EN) came out on Jan.
openaire   +1 more source

Feynman Diagrams to Three Loops in Three Dimensional Field Theory [PDF]

open access: yes, 1996
The two point integrals contributing to the self energy of a particle in a three dimensional quantum field theory are calculated to two loop order in perturbation theory as well as the vacuum ones contributing to the effective potential to three loop ...
Appelquist   +25 more
core   +2 more sources

Purification of Monoclonal Antibodies Using Novel 3d Printed Ordered Stationary Phases

open access: yesJournal of Chromatography A, 2023
3D printing offers the unprecedented ability to fabricate chromatography stationary phases with bespoke 3D morphology as opposed to traditional packed beds of spherical beads. The restricted range of printable materials compatible with chromatography is considered a setback for its industrial implementation.
Mariachiara Conti   +5 more
openaire   +2 more sources

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