Results 31 to 40 of about 5,701,527 (195)

Vision-Based Online Molten Pool Image Acquisition and Assessment for Quality Monitoring in Gas–Metal Arc Welding

open access: yesApplied Sciences
In gas–metal arc welding (GMAW), the welding quality is influenced by various factors, including the welding conditions and external environment. Achieving a high welding quality requires careful observation and control. Welding monitoring is crucial for
Gwang-Gook Kim   +5 more
doaj   +1 more source

In vitro electrochemical corrosion and cell viability studies on nickel-free stainless steel orthopedic implants. [PDF]

open access: yesPLoS ONE, 2013
The corrosion and cell viability behaviors of nanostructured, nickel-free stainless steel implants were studied and compared with AISI 316L. The electrochemical studies were conducted by potentiodynamic polarization and electrochemical impedance ...
Erfan Salahinejad   +8 more
doaj   +1 more source

Erbium:ytterbium co-doped large-core fiber laser with 297W continuous-wave output power [PDF]

open access: yes, 2007
We have demonstrated a high-power and high-efficiency erbium:ytterbium (Er:Yb) co-doped fiber laser that produces 297 W of continuous-wave output at 1567 nm.
Nilsson, J.   +23 more
core   +1 more source

Mineralogical Characteristics and Color Origin of Nephrite Containing Pink Minerals

open access: yesCrystals
Recently, a variety of nephrite containing localized pink mineral aggregates has emerged on the market, which is sometimes referred to as “peach blossom jade” by some merchants.
Ye Yuan, Youxuan Li, Miao Shi
doaj   +1 more source

Spectroscopic and lasing characteristics of Yb:YGG at cryogenic temperatures

open access: yesOptics & Laser Technology, 2023
We report on the optical spectroscopy and continuous-wave (CW) laser operation of ytterbium-doped yttrium gallium garnet (Yb:YGG) crystal at cryogenic temperatures. A maximum absorption cross-section of 1.7 × 10-20 cm2 with spectral bandwidth of 2.4 nm centered at 970.5 nm and a maximum emission cross-section of 6.5 × 10- 20 cm2 with spectral bandwidth
Sami Slimi   +11 more
openaire   +2 more sources

Raman spectroscopic characteristics of phthalocyanine and naphthalocyanine in sandwich-type phthalocyaninato and porphyrinato rare earth complexes Part 4. Raman spectroscopic characteristics of naphthalocyanine in mixed (octaethylporphyrinato) (naphthalocyaninato) rare earth double-deckers

open access: yes, 2003
Raman spectroscopic data in the range of 400–1800 cm−1 for a series of 15 mixed (octaethylporphyrinato)(naphthalocyaninato) double-decker complexes with tervalent rare earths MIII(OEP)(2,3-Nc) (M=Y, La, …, Lu except Ce and Pm) and intermediate valent ...
Jiang, Jianzhuang   +5 more
core   +1 more source

Mineralogical Characteristics and Color Genesis of Vesuvianite Jade from Hanzhong, Shaanxi Province, China

open access: yesCrystals
A new type of vesuvianite jade has recently been discovered in Hanzhong City, Shaanxi Province, China. However, a systematic investigation into its mineralogical characteristics and the origin of its color is currently lacking.
Ye Yuan   +4 more
doaj   +1 more source

Hydrodynamic Effects on Spectroscopic Water Detection in Gasoline Pipe Flow

open access: yesEnergies, 2014
The hydrodynamic effects on spectroscopic water detection were microscopically investigated in a gasoline pipe flow. The effects of the gasoline flow rate and the water content on the water droplet characteristics were investigated experimentally using a
Jeong Heon Kim, Chang Sik Lee
doaj   +1 more source

Development of parent-adolescent relationships: Conflict interactions as a mechanism of change [PDF]

open access: yes, 2018
Adolescence is a period of rapid biological and psychosocial changes, which have a salient impact on parent–child relationships. Parents and adolescents have to reorganize responsibilities and move toward a more egalitarian relationship.
Leerstoel Branje   +2 more
core   +1 more source

Beta-decay 125I → 125Te

open access: yesЯдерна фізика та енергетика, 2016
Beta-decay of the nucleus 125I and spectroscopic characteristics of the daughter nucleus are described within the framework of the dynamic collective model.
A. A. Kurteva
doaj  

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