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Tăng Tuyết Minh, (Chinese: 曾雪明; pinyin: Zēng Xuěmíng, 1905–1991) was a Chinese midwife who married Vietnamese leader Ho Chi Minh. She was a Catholic from Guangzhou and married Ho in October 1926. They ...
Chemicalcompound
Selenic acid is the chemical compound with the formula H2SeO4. It is an oxoacid of selenium, and its structure is more accurately described as (HO)2SeO2.As predicted by VSEPR theory, the selenium cent ...
Dbpediathing
In string theory, a heterotic string is a closed string (or loop) which is a hybrid ('heterotic') of a superstring and a bosonic string. There are two kinds of heterotic string, the Heterotic ...
River
Karnali or Ghaghara (Nepali: कर्णाली Karṇālī [kʌrˈnɑːliː]; Hindi: घाघरा Ghāghrā [ˈɡʱɑːɡrɑː]) is a perennial trans-boundary river originating on the Tibetan Plateau near Lake Mansarovar. It cuts throug ...
Wikipedia Article
In chemistry, the empirical formula of a chemical compound is the simplest positive integer ratio of atoms present in a compound. A simple example of this concept is that the empirical formula of hydr ...
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