1, ETA: the abbreviation of ethanolamine.

ETA (abbreviation of ethanolamine) generally refers to 2- hydroxyethyl amine, alias ethanolamine, colorless liquid, colorless and transparent viscous liquid at room temperature, with hygroscopicity and ammonia odor. Used as chemical reagent, solvent, emulsifier, rubber accelerator, corrosion inhibitor, etc.

2.ETA: Event Tree Analysis

Event tree analysis (ETA) is a commonly used inductive reasoning analysis method in safety system engineering, which originated from decision tree analysis (DTA). It is a method to infer the possible consequences from the initial events according to the time sequence of accident development, so as to identify the hazards.

3. Electronic travel documents

ETA (Electronic Travel Document) is a modern travel document, replacing visa or stamped passport. You can get this travel document quickly at the place where you buy the ticket. It only takes 10 seconds for the travel agency to process the passport information after input.

4. ETA: Spanish Basque national separatist organization.

Eta is the abbreviation of Basque language "Euskara ta Askatasuna-eta". Eta was founded in 1959, which was originally an underground organization in the Basque country in Franco's time. After Franco's dictatorship ended, it gradually developed into a separatist terrorist organization that advocated violence and endangered the whole Spanish society.

Since 1968, ETA has carried out a series of terrorist activities, causing a large number of casualties. On 201110/2/0/0, ETA announced a permanent ceasefire through the website of Gala Daily, stressing that it was a "clear, firm and permanent commitment to abandon armed confrontation".

5.ETA: watch manufacturer

ETA is a watch factory established by 1793 in Fontainebleau. The history of ETA Group can be traced back to the end of18th century: 1793 was founded in a watch factory in Fontainebleau. 1855, another factory specialized in manufacturing "Ebauches" (blank movement) opened in Grenchen.

Later, it was named ETA, 1926, and the joint-stock company Ebauches SA, which brought together the major Swiss blank movement manufacturers, was established. When SMH was established in 1983, Ebauches SA was renamed ETA SA Fabriques d'Ebauches. Manufacturing and assembly plants are located in Switzerland and all over the world, including France, Germany, Thailand, Malaysia and China.

Baidu Encyclopedia -ETA: Watch Manufacturer

Baidu Encyclopedia-ETA: Spanish Basque National Separatist Organization

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Baidu encyclopedia -ETA: abbreviation of ethanolamine