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Vor 2 Tagen · In the case that the photon has mass, the mass term 1 / 2 m 2 A μ A μ would affect the galactic plasma. The fact that no such effects are seen implies an upper bound on the photon mass of m < 3 × 10 −27 eV/c 2. The galactic vector potential can also be probed directly by measuring the torque exerted on a magnetized ring.
Vor einem Tag · Прохождение Mass Effect 2 Legendary Edition на русском. Часть 17.Если есть желание, то можете поддержать монеткой:Карта ...
Vor einem Tag · Our results showed that the combined effects of N, P, and litter mixing had a significant effect on cumulative soil N 2 O emissions and litter mass remaining, suggesting that the combined effects of all three contributed to the non-additive effects on mixed litter decomposition and soil N 2 O emissions. Nutrient additions directly impact both foliage (litter) and soil properties. When these ...
Vor 2 Tagen · Definition. Die makuläre Teleangiektasie Typ 2, kurz MacTel Typ 2, ist die häufigste Form der makulären Teleangiektasien. Dabei handelt sich um eine erworbene Gefäßmalformation der Netzhautgefäße im Bereich der Macula lutea, die zu einer Sehminderung führt und i.d.R. beidseitig auftritt. ICD-10 Code: H35.0.
Vor einem Tag · One of the most active areas of solid propellant research is the development of high-energy, minimum-signature propellant using C 6 H 6 N 6 (NO 2) 6 CL-20 nitroamine (China Lake compound #20), which has 14% higher energy per mass and 20% higher energy density than HMX. The new propellant has been successfully developed and tested in tactical rocket motors. The propellant is non-polluting: acid ...
Vor einem Tag · 2 minutes. (Reuters) -HSBC Holdings Plc said on Wednesday it appointed Georges Elhedery as its group chief executive, with effect from Sept. 2, making him the third CEO in less than eight years ...
Vor 2 Tagen · African National Congress. The African National Congress ( ANC) is a political party in South Africa. It originated as a liberation movement known for its opposition to apartheid and has governed the country since 1994, when the first post-apartheid election resulted in Nelson Mandela being elected as President of South Africa. Cyril Ramaphosa ...
