de

• Article

  the (definite article, masculine and feminine singular, plural)

• Prep

wetenschapper

scientist (one whose activities make use of the scientific method)

had

singular past indicative of hebben

zijn

• Verb

  1. To be, to exist.
  2. Used to connect a noun to an adjective that describes it.
  3. Used to form the perfect tense of the active voice of some verbs, together with a past participle.
  4. Used to form the perfect tense of the active voice of some verbs, together with a past participle. Note: The perfect tense of most other verbs is formed using hebben.
  5. Used to form the perfect tense of the passive voice, together with a past participle.
  6. Used to form the perfect tense of the passive voice, together with a past participle. Note: The imperfect tense passive is formed using worden.
  7. Used to form the continuous forms of various tenses, together with aan het or, in archaic style, with a present participle.
  8. To go, to go on a trip and return.
  9. Used to indicate weather, temperature or some other general condition.
  10. to be, to equal, to total, to amount to; used to indicate that the values on either side of an equation are the same.

• Det

eerste

first

onderzoek

• Noun

  1. research, experiment, study, trial, test, survey
  2. investigation, inquiry, examination, survey

• Verb

gepubliceerd

past participle of publiceren