photosynthesis to mean one mole of photons, rather than the energy in one mole of photons. As such, photosynthetically active radiation (PAR) was formerly often...
3 KB (402 words) - 23:50, 10 June 2024
astronomical second as the base unit. In a paper published in 1843, James Prescott Joule first demonstrated a means of measuring the energy transferred between different...
105 KB (12,470 words) - 20:42, 8 September 2024
Light-Emitting Diodes with Efficiency over 12%". Joule. 5 (2): 456–466. Bibcode:2021Joule...5..456C. doi:10.1016/j.joule.2020.12.008. ISSN 2542-4351. S2CID 233896421...
167 KB (18,444 words) - 19:18, 3 September 2024
(16.8 g/mole, 0.71 kg per standard cubic meter) to as high as 0.79 (22.9 g/mole, 0.97 kg per scm), but generally less than 0.64 (18.5 g/mole, 0.78 kg...
105 KB (11,504 words) - 13:43, 29 August 2024
{\displaystyle \mu } (J) particle number: N {\displaystyle N} (particles or mole) For a system with different types i {\displaystyle i} of particles, a small...
12 KB (1,636 words) - 07:52, 6 January 2023
action. 1865 Johann Josef Loschmidt determines exact number of molecules in a mole, later named Avogadro constant. 1865 Friedrich August Kekulé von Stradonitz...
72 KB (7,490 words) - 22:07, 20 August 2024
In 1865, Johann Josef Loschmidt determined the number of molecules in a mole, later named Avogadro's number. In 1865, August Kekulé, based partially on...
155 KB (19,166 words) - 03:42, 5 September 2024
high enough to be deadly. Under certain conditions, shocks as low as 1 joule have been reported to be lethal. The energy stored in a capacitor can remain...
54 KB (7,281 words) - 17:26, 27 August 2024
kelvin, but this usage did not become common, and the corresponding SI unit joule per kelvin carries no special name. In 1954, a year before his death, Albert...
91 KB (10,201 words) - 06:59, 6 May 2024
the Avogadro constant (which is the number of atoms or molecules in one mole of any substance) and thereby to determine the atomic weight of the atoms...
81 KB (9,961 words) - 12:56, 4 August 2024
طموح أحمد بلا حدود.. وسيظل ابنا للزمالك" [Special Nader Al-Sayed for the Joule: Ahmed's ambition is limitless... and he will remain a son of Zamalek]....
172 KB (9,719 words) - 23:37, 7 September 2024
Arty. (Sutton) L. Cpl. J. T. Jordan, Rifle Brigade (East Ham) L. Cpl. G. Joule, Cheshire Reg. (Stalybridge) Pte. C. Joyce, Machine Gun Guards (Bolton)...
267 KB (41,778 words) - 07:30, 6 May 2024