Results 71 to 80 of about 2,827,719 (353)

The International System of Units and the Electrical Measurements

Revista Elektrón, 2019
We constantly use the results of measurements to trade, to take decisions, to reach compatibility between elements or to evaluate risks. The International System of Units (SI) is essential to express these results in a clear and comparable way. The SI is
Marcos Eduardo Bierzychudek, Héctor Laiz   +1 more
doaj  

Fundamentals of Measurement: Giovanni Giorgi and the International System of Units [PDF]

, 2023
Luca Callegaro
openalex   +1 more source

Negative Specific Heat in Astronomy, Physics and Chemistry

, 1998
Starting from Antonov's discovery that there is no maximum to the entropy of a gravitating system of point particles at fixed energy in a spherical box if the density contrast between centre and edge exceeds 709, we review progress in the understanding ...
Aaronson, Antonov, Antonov, Beckenstein, Betteweiser, Chandrasekhar, Cohn, D. Lynden-Bell, Eddington, Eddington, Hachisu, Hawking, Heggie, Henon, Hertel, Hertel, Hertel, Inagaki, Katz, Katz, Kiessling, Lynden-Bell, Lynden-Bell, Lynden-Bell, Lynden-Bell, Meylan, Miller, Miyoshi, Padmanabhan, Parentani, Schmidt, Schrödinger, Sugimoto, Thirring, Thirring, Tsuchida, Youngkins   +36 more
core   +1 more source

Large‐scale bidirectional arrayed genetic screens identify OXR1 and EMC4 as modifiers of αSynuclein aggregation

FEBS Open Bio, EarlyView.
Activation of the mitochondrial protein OXR1 increases pSyn129 αSynuclein aggregation by lowering ATP levels and altering mitochondrial membrane potential, particularly in response to MSA‐derived fibrils. In contrast, ablation of the ER protein EMC4 enhances autophagic flux and lysosomal clearance, broadly reducing α‐synuclein aggregates.
Sandesh Neupane, Lea Nikolić, Lorenzo Maraio, Thomas Goiran, Nathan Karpilovsky, Stefano Sellitto, Vangelis Bouris, Jiang‐An Yin, Ronald Melki, Edward A Fon, Adriano Aguzzi, Elena De Cecco   +11 more
wiley   +1 more source

State of the art in the determination of the fine structure constant: test of Quantum Electrodynamics and determination of h/mu

, 2013
The fine structure constant $\alpha$ has a particular status in physics. Its precise determination is required to test the quantum electrodynamics (QED) theory.
Biraben, François, Bouchendira, Rym, Cladé, Pierre, Guellati-Khélifa, Saïda, Nez, François   +4 more
core   +3 more sources

Definition of the mole (IUPAC Recommendation 2017) [PDF]

, 2018
In 2011 the General Conference on Weights and Measures (CGPM) noted the intention of the International Committee for Weights and Measures (CIPM) to revise the entire International System of Units (SI) by linking all seven base units to seven fundamental ...
Davis, Richard, Marquardt, Roberto, Meija, Juris, Mester, Zoltán, Stohner, Jürgen, Towns, Marcy, Weir, Ron   +6 more
core   +1 more source

Why human connection is the true metric of research success

FEBS Open Bio, EarlyView.
Human‐centred mentorship can be shaped by mentor attributes, actions, intrinsic drive and career ambition. Drawing on reflections across Singapore and France, as well as workshop insights from FEBS‐IUBMB ENABLE 2024, this article shows that human‐centred mentorship creates the conditions for sustainable growth, well‐being and retention in research ...
Timothy Lin Yun Tan, Mattias Wei Ren Kon, Xavier Coumoul, Fun Man Fung   +3 more
wiley   +1 more source

International System of Units-traceable temperature calibration based on optical lattice clocks

Physical Review Research
We present an International System of Units (SI)-traceable temperature calibration apparatus utilizing optical lattice clocks for precision metrology.
Jin Cao, Benquan Lu, Xiaotong Lu, Hong Chang   +3 more
doaj   +1 more source

EVALUASI SISTEM PENJUALAN KREDITPADA PT ASTRA INTERNATIONAL TBK. – DAIHATSU CABANG SOLO BARU [PDF]

, 2013
PT Astra International Tbk – Daihatsu Solo Baru is a subsidiary company of PT Astra International – DSO in collaboration with Daihatsu Indonesia, which has corporate activities in sales of units (vehicles) of Daihatsu, sales of genuine parts of ...
WINDRASARI, ALIN YUNIA
core  

Derivation and characterization of retinal pigment epithelium from urine‐derived iPSCs

FEBS Open Bio, EarlyView.
Age‐related macular degeneration causes vision loss via RPE dysfunction and loss. Traditional iPSC therapies rely on invasive biopsies, limiting scalability. Here, we utilize urine‐derived stem cells as an accessible source to generate u‐iPSCs, successfully differentiated into pigmented RPE. This “Urine‐to‐Retina” platform provides a promising path for
Daniella Beiner, Hainan Zhu, Carol Christine Bosholm, Heuy‐Ching Wang, Tracy Criswell, Anthony Atala, Jian‐Xing Ma, Yuanyuan Zhang   +7 more
wiley   +1 more source