Results 11 to 20 of about 265,577 (266)
Chemical Reviews, 2020 Nitrogen is ubiquitous in both natural and laboratory-grown diamond, but the number and nature of the nitrogen-containing defects can have a profound effect on the diamond material and its properties. An ever-growing fraction of the supply of diamond appearing on the world market is now lab-grown.
Michael N. R. Ashfold +5 more
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Report on operation of Chinese superhard industry in 2021
Jin'gangshi yu moliao moju gongcheng, 2022 A overall reflection of Chinese superhard industry in 2021 is presented with China’s macroeconomic indicators. The development of the industry is analyzed.
Lijuan LI +4 more
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Nature Communications, 2023 Visible light optical elements such as lenses and mirrors have counterparts for X-rays. In the visible regime, a variable focusing power can be achieved by an Alvarez lens which consists of a pair of inline planar refractors with a cubic thickness ...
Vishal Dhamgaye +6 more
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JOINT DIAMONDS AND LAVER DIAMONDS [PDF]
The Journal of Symbolic Logic, 2019 Abstract The concept of jointness for guessing principles, specifically ${\diamondsuit _\kappa }$ and various Laver diamonds, is introduced. A family of guessing sequences is joint if the elements of any given sequence of targets may be simultaneously guessed by the members of the family. While equivalent in the case of
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Data & Knowledge Engineering, 2013 29 ...
Webb, Hazel, Lemire, Daniel, Kaser, Owen
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Frontiers in Psychology, 2021 Background: Risks to healthcare workers have escalated during the pandemic and they are likely to experience a greater level of stress. This cross-sectional study investigated mental distress among healthcare workers during the early phase of Coronavirus
Seshadri Sekhar Chatterjee +5 more
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Diamond coating deposited on the inner wall of annular workpiece by rotating arc heating
Jin'gangshi yu moliao moju gongcheng, 2022 A plasma torch with split anode and rotating arc was developed. The diamond was coated on the inner wall of large diameter annular workpiece by the torch.
Guohua LI +3 more
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Superconductivity in Diamond. [PDF]
ChemInform, 2004 AbstractFor Abstract see ChemInform Abstract in Full Text.
Ekimov, E. A. +6 more
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International Journal of Applied Mechanics and Engineering, 2020 Hydrodynamic forces on a submerged cylinder in uniform finite depth ice-covered water is formulated by using the method of multipoles, the ice-cover being modelled as an elastic plate of very small thickness.
M. Sahu, D. Das
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