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Intersystem crossing (ISC) is an isoenergetic radiationless process involving a transition between the two electronic states with different spin multiplicity. [ 1 ] Excited electrons can undergo intersystem crossing to a degenerate state with a different spin multiplicity.
It differs from intersystem crossing in that, while both are radiationless methods of de-excitation, the molecular spin state for internal conversion remains the same, whereas it changes for intersystem crossing. The energy of the electronically excited state is given off to vibrational modes of the molecule.
A Jablonski diagram showing the excitation of molecule A to its singlet excited state (1 A*) followed by intersystem crossing to the triplet state (3 A) that relaxes to the ground state by phosphorescence. It was used to describe absorption and emission of light by fluorescents.
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In Việt Điện U Linh Tập, Thánh Gióng is known as Sóc Thiên Vương (chữ Hán: 朔天王). This version does not specify when the story was set nor who was the enemy. It says in the old days, there was an enemy in the country, the king ordered his emissaries to find someone who can defeat the enemy.
The first girl on the left is playing the flute in the painting Tố nữ. The sáo contains the musical spirit of Vietnamese countryside and its four peaceful seasons. In Vietnam, the people played sáo when resting on the fields or before going to sleep at night.
A fixed link or fixed crossing is a permanent, unbroken road or rail connection across water that uses some combination of bridges, tunnels, and causeways and does not involve intermittent connections such as drawbridges or ferries. [1] A bridge–tunnel combination is commonly used for major fixed links.
In modern times, Vietnamese has relied less on Sino-Vietnamese-derived exonyms and it has become more common for Vietnamese exonyms to more accurately transcribe the endonym according to its native language.