cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.25549/inscriptifact-ouc110682653
title: Persepolis Fortification Elamite Tablet 0595, PF 0595

description: [Text Description:] Administrative text with seal ❧ [Text or Publication Number Note:] PF 0595 ❧ [Excavation Description:] Found during Oriental Institute's excavations in Spring, 1933, near the northeastern corner of the stone platform of Persepolis, in two small rooms of a bastion in the fortification wall ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Clay tablet with cuneiform text. Seal impression on obverse. ❧ [Physical Object Note:] Small cracks on tablet.
DOI: 10.25549/inscriptifact-ouc110782810
title: Proto-Sinaitic Inscription 371

description: [Text Description:] A bird and 2 unidentified signs ❧ [Text or Publication Number Note:] Sinai 371 ❧ [Excavation Description:] Discovered in 1930 in tumulus between Wadi Qatar and Wadi Umm Themaim, 150m SE of Mine K ❧ [Medium:] Stone ❧ [Script Note:] Unknown ❧ [Physical Object Description:] Stone plaque, 27 x 18 cm ❧ [Physical Object Note:] Contains engraving of bird and 2 unidenitifed signs
DOI: 10.25549/inscriptifact-ouc110782808
title: Proto-Sinaitic Inscription 371

description: [Text Description:] A bird and 2 unidentified signs ❧ [Text or Publication Number Note:] Sinai 371 ❧ [Excavation Description:] Discovered in 1930 in tumulus between Wadi Qatar and Wadi Umm Themaim, 150m SE of Mine K ❧ [Medium:] Stone ❧ [Script Note:] Unknown ❧ [Physical Object Description:] Stone plaque, 27 x 18 cm ❧ [Physical Object Note:] Contains engraving of bird and 2 unidenitifed signs
DOI: 10.25549/inscriptifact-ouc110682628
title: Persepolis Fortification Elamite Tablet 0595, PF 0595

description: [Text Description:] Administrative text with seal ❧ [Text or Publication Number Note:] PF 0595 ❧ [Excavation Description:] Found during Oriental Institute's excavations in Spring, 1933, near the northeastern corner of the stone platform of Persepolis, in two small rooms of a bastion in the fortification wall ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Clay tablet with cuneiform text. Seal impression on obverse. ❧ [Physical Object Note:] Small cracks on tablet.
DOI: 10.26275/idrg-rekc
title: Reconstructing Human Vagal Anatomy (REVA) (CWRU & Duke) - Anatomy

description: Multi-scale anatomy of cadaveric human vagus nerves (SPARC REVA CWRU/Duke)
description: Gross anatomic dissection of bilateral vagus nerves and their branches in embalmed human cadavers from brainstem to abdomen.
DOI: 10.25549/inscriptifact-ouc110782805
title: Proto-Sinaitic Inscription 371

description: [Text Description:] A bird and 2 unidentified signs ❧ [Text or Publication Number Note:] Sinai 371 ❧ [Excavation Description:] Discovered in 1930 in tumulus between Wadi Qatar and Wadi Umm Themaim, 150m SE of Mine K ❧ [Medium:] Stone ❧ [Script Note:] Unknown ❧ [Physical Object Description:] Stone plaque, 27 x 18 cm ❧ [Physical Object Note:] Contains engraving of bird and 2 unidenitifed signs
DOI: 10.25549/inscriptifact-ouc110782791
title: Proto-Sinaitic Inscription 371

description: [Text Description:] A bird and 2 unidentified signs ❧ [Text or Publication Number Note:] Sinai 371 ❧ [Excavation Description:] Discovered in 1930 in tumulus between Wadi Qatar and Wadi Umm Themaim, 150m SE of Mine K ❧ [Medium:] Stone ❧ [Script Note:] Unknown ❧ [Physical Object Description:] Stone plaque, 27 x 18 cm ❧ [Physical Object Note:] Contains engraving of bird and 2 unidenitifed signs
DOI: 10.25549/inscriptifact-ouc110782787
title: Proto-Sinaitic Inscription 371

description: [Text Description:] A bird and 2 unidentified signs ❧ [Text or Publication Number Note:] Sinai 371 ❧ [Excavation Description:] Discovered in 1930 in tumulus between Wadi Qatar and Wadi Umm Themaim, 150m SE of Mine K ❧ [Medium:] Stone ❧ [Script Note:] Unknown ❧ [Physical Object Description:] Stone plaque, 27 x 18 cm ❧ [Physical Object Note:] Contains engraving of bird and 2 unidenitifed signs
DOI: 10.25549/inscriptifact-ouc110782800
title: Proto-Sinaitic Inscription 371

description: [Text Description:] A bird and 2 unidentified signs ❧ [Text or Publication Number Note:] Sinai 371 ❧ [Excavation Description:] Discovered in 1930 in tumulus between Wadi Qatar and Wadi Umm Themaim, 150m SE of Mine K ❧ [Medium:] Stone ❧ [Script Note:] Unknown ❧ [Physical Object Description:] Stone plaque, 27 x 18 cm ❧ [Physical Object Note:] Contains engraving of bird and 2 unidenitifed signs
DOI: 10.5281/zenodo.17575314
title: Country Indicators 2024 - Automated extraction from data.un.org

description: This dataset was automatically generated using a Python script that collects information from tables on the official United Nations Statistics Division website (UNdata). It compiles general, economic, social, and environmental indicators for all countries. The data corresponds to the most recent year available (2024) and includes metrics such as population, GDP per capita, CO₂ emissions, and others.








Source: https://data.un.org
DOI: 10.5281/zenodo.17575315
title: Country Indicators 2024 - Automated extraction from data.un.org

description: This dataset was automatically generated using a Python script that collects information from tables on the official United Nations Statistics Division website (UNdata). It compiles general, economic, social, and environmental indicators for all countries. The data corresponds to the most recent year available (2024) and includes metrics such as population, GDP per capita, CO₂ emissions, and others.








Source: https://data.un.org
DOI: 10.25549/inscriptifact-ouc110782785
title: Proto-Sinaitic Inscription 371

description: [Text Description:] A bird and 2 unidentified signs ❧ [Text or Publication Number Note:] Sinai 371 ❧ [Excavation Description:] Discovered in 1930 in tumulus between Wadi Qatar and Wadi Umm Themaim, 150m SE of Mine K ❧ [Medium:] Stone ❧ [Script Note:] Unknown ❧ [Physical Object Description:] Stone plaque, 27 x 18 cm ❧ [Physical Object Note:] Contains engraving of bird and 2 unidenitifed signs
DOI: 10.25549/inscriptifact-ouc110782792
title: Proto-Sinaitic Inscription 371

description: [Text Description:] A bird and 2 unidentified signs ❧ [Text or Publication Number Note:] Sinai 371 ❧ [Excavation Description:] Discovered in 1930 in tumulus between Wadi Qatar and Wadi Umm Themaim, 150m SE of Mine K ❧ [Medium:] Stone ❧ [Script Note:] Unknown ❧ [Physical Object Description:] Stone plaque, 27 x 18 cm ❧ [Physical Object Note:] Contains engraving of bird and 2 unidenitifed signs
DOI: 10.15468/dl.j5az5y
title: Occurrence Download

description: A dataset containing 3121 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Hoplobatrachus tigerinus"
 ]
}

 The dataset includes 3121 records from 72 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0025716-251025141854904/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.25549/inscriptifact-ouc110682079
title: Persepolis Fortification Elamite Tablet 2223.103, Fort 2223.103

description: [Text Description:] Administrative text with seal ❧ [Text or Publication Number Note:] Fort 2223.103 ❧ [Excavation Description:] Found during Oriental Institute's excavations in Spring, 1933, near the northeastern corner of the stone platform of Persepolis, in two small rooms of a bastion in the fortification wall ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Clay tablet with cuneiform text. Seal impression on left edge, reverse. ❧ [Physical Object Note:] Broken right edge, lower left corner. Damage on left edge. Most of bottom edge is missing.
DOI: 10.25549/inscriptifact-ouc110782784
title: Proto-Sinaitic Inscription 371

description: [Text Description:] A bird and 2 unidentified signs ❧ [Text or Publication Number Note:] Sinai 371 ❧ [Excavation Description:] Discovered in 1930 in tumulus between Wadi Qatar and Wadi Umm Themaim, 150m SE of Mine K ❧ [Medium:] Stone ❧ [Script Note:] Unknown ❧ [Physical Object Description:] Stone plaque, 27 x 18 cm ❧ [Physical Object Note:] Contains engraving of bird and 2 unidenitifed signs
DOI: 10.25549/inscriptifact-ouc110682019
title: Persepolis Fortification Elamite Tablet 2223.103, Fort 2223.103

description: [Text Description:] Administrative text with seal ❧ [Text or Publication Number Note:] Fort 2223.103 ❧ [Excavation Description:] Found during Oriental Institute's excavations in Spring, 1933, near the northeastern corner of the stone platform of Persepolis, in two small rooms of a bastion in the fortification wall ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Clay tablet with cuneiform text. Seal impression on left edge, reverse. ❧ [Physical Object Note:] Broken right edge, lower left corner. Damage on left edge. Most of bottom edge is missing.
DOI: 10.25549/inscriptifact-ouc110782750
title: Proto-Sinaitic Inscription 368

description: [Text Description:] Illegible ❧ [Text or Publication Number Note:] Sinai 368 ❧ [Excavation Description:] Discovered in a tumulus in 1930, about 75 meters south of Mine L ❧ [Medium:] Stone ❧ [Script Note:] Early Alphabetic ❧ [Physical Object Description:] Stele, 31 x 19 cm. ❧ [Physical Object Note:] Inscription is illegible
DOI: 10.25549/inscriptifact-ouc110682005
title: Persepolis Fortification Elamite Tablet 2177.103, Fort 2177.103

description: [Text Description:] Administrative text ❧ [Text or Publication Number Note:] Fort 2177.103 ❧ [Excavation Description:] Found during Oriental Institute's excavations in Spring, 1933, near the northeastern corner of the stone platform of Persepolis, in two small rooms of a bastion in the fortification wall ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Clay tablet with cuneiform text. ❧ [Physical Object Note:] Bottom edge, left edge, right edge broken.
DOI: 10.25549/inscriptifact-ouc110682512
title: Persepolis Fortification Elamite Tablet 2223.103, Fort 2223.103

description: [Text Description:] Administrative text with seal ❧ [Text or Publication Number Note:] Fort 2223.103 ❧ [Excavation Description:] Found during Oriental Institute's excavations in Spring, 1933, near the northeastern corner of the stone platform of Persepolis, in two small rooms of a bastion in the fortification wall ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Clay tablet with cuneiform text. Seal impression on left edge, reverse. ❧ [Physical Object Note:] Broken right edge, lower left corner. Damage on left edge. Most of bottom edge is missing.
DOI: 10.25549/inscriptifact-ouc110681977
title: Persepolis Fortification Elamite Tablet 2177.103, Fort 2177.103

description: [Text Description:] Administrative text ❧ [Text or Publication Number Note:] Fort 2177.103 ❧ [Excavation Description:] Found during Oriental Institute's excavations in Spring, 1933, near the northeastern corner of the stone platform of Persepolis, in two small rooms of a bastion in the fortification wall ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Clay tablet with cuneiform text. ❧ [Physical Object Note:] Bottom edge, left edge, right edge broken.
DOI: 10.25549/inscriptifact-ouc110682514
title: Persepolis Fortification Elamite Tablet 2223.103, Fort 2223.103

description: [Text Description:] Administrative text with seal ❧ [Text or Publication Number Note:] Fort 2223.103 ❧ [Excavation Description:] Found during Oriental Institute's excavations in Spring, 1933, near the northeastern corner of the stone platform of Persepolis, in two small rooms of a bastion in the fortification wall ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Clay tablet with cuneiform text. Seal impression on left edge, reverse. ❧ [Physical Object Note:] Broken right edge, lower left corner. Damage on left edge. Most of bottom edge is missing.
DOI: 10.25549/inscriptifact-ouc110681975
title: Persepolis Fortification Elamite Tablet 2177.103, Fort 2177.103

description: [Text Description:] Administrative text ❧ [Text or Publication Number Note:] Fort 2177.103 ❧ [Excavation Description:] Found during Oriental Institute's excavations in Spring, 1933, near the northeastern corner of the stone platform of Persepolis, in two small rooms of a bastion in the fortification wall ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Clay tablet with cuneiform text. ❧ [Physical Object Note:] Bottom edge, left edge, right edge broken.
DOI: 10.25549/inscriptifact-ouc110682513
title: Persepolis Fortification Elamite Tablet 2223.103, Fort 2223.103

description: [Text Description:] Administrative text with seal ❧ [Text or Publication Number Note:] Fort 2223.103 ❧ [Excavation Description:] Found during Oriental Institute's excavations in Spring, 1933, near the northeastern corner of the stone platform of Persepolis, in two small rooms of a bastion in the fortification wall ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Clay tablet with cuneiform text. Seal impression on left edge, reverse. ❧ [Physical Object Note:] Broken right edge, lower left corner. Damage on left edge. Most of bottom edge is missing.
DOI: 10.25549/inscriptifact-ouc110782749
title: Proto-Sinaitic Inscription 368

description: [Text Description:] Illegible ❧ [Text or Publication Number Note:] Sinai 368 ❧ [Excavation Description:] Discovered in a tumulus in 1930, about 75 meters south of Mine L ❧ [Medium:] Stone ❧ [Script Note:] Early Alphabetic ❧ [Physical Object Description:] Stele, 31 x 19 cm. ❧ [Physical Object Note:] Inscription is illegible
DOI: 10.25549/inscriptifact-ouc110682501
title: Persepolis Fortification Elamite Tablet 2223.103, Fort 2223.103

description: [Text Description:] Administrative text with seal ❧ [Text or Publication Number Note:] Fort 2223.103 ❧ [Excavation Description:] Found during Oriental Institute's excavations in Spring, 1933, near the northeastern corner of the stone platform of Persepolis, in two small rooms of a bastion in the fortification wall ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Clay tablet with cuneiform text. Seal impression on left edge, reverse. ❧ [Physical Object Note:] Broken right edge, lower left corner. Damage on left edge. Most of bottom edge is missing.
DOI: 10.25549/inscriptifact-ouc110782743
title: Proto-Sinaitic Inscription 368

description: [Text Description:] Illegible ❧ [Text or Publication Number Note:] Sinai 368 ❧ [Excavation Description:] Discovered in a tumulus in 1930, about 75 meters south of Mine L ❧ [Medium:] Stone ❧ [Script Note:] Early Alphabetic ❧ [Physical Object Description:] Stele, 31 x 19 cm. ❧ [Physical Object Note:] Inscription is illegible
DOI: 10.25549/inscriptifact-ouc110682486
title: Persepolis Fortification Elamite Tablet 2223.103, Fort 2223.103

description: [Text Description:] Administrative text with seal ❧ [Text or Publication Number Note:] Fort 2223.103 ❧ [Excavation Description:] Found during Oriental Institute's excavations in Spring, 1933, near the northeastern corner of the stone platform of Persepolis, in two small rooms of a bastion in the fortification wall ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Clay tablet with cuneiform text. Seal impression on left edge, reverse. ❧ [Physical Object Note:] Broken right edge, lower left corner. Damage on left edge. Most of bottom edge is missing.
DOI: 10.25549/inscriptifact-ouc110782664
title: Proto-Sinaitic Inscription 368

description: [Text Description:] Illegible ❧ [Text or Publication Number Note:] Sinai 368 ❧ [Excavation Description:] Discovered in a tumulus in 1930, about 75 meters south of Mine L ❧ [Medium:] Stone ❧ [Script Note:] Early Alphabetic ❧ [Physical Object Description:] Stele, 31 x 19 cm. ❧ [Physical Object Note:] Inscription is illegible
DOI: 10.25549/inscriptifact-ouc110782736
title: Proto-Sinaitic Inscription 368

description: [Text Description:] Illegible ❧ [Text or Publication Number Note:] Sinai 368 ❧ [Excavation Description:] Discovered in a tumulus in 1930, about 75 meters south of Mine L ❧ [Medium:] Stone ❧ [Script Note:] Early Alphabetic ❧ [Physical Object Description:] Stele, 31 x 19 cm. ❧ [Physical Object Note:] Inscription is illegible
DOI: 10.15468/dl.g9h8qh
title: Occurrence Download

description: A dataset containing 64935779 species occurrences available in GBIF matching the query:
{
 "Country" : [
 "is India"
 ]
}

 The dataset includes 64935779 records from 3476 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0025672-251025141854904/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.hsi6be
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0043225-160910150852091/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.roibde
title: Occurrence Download

description: A dataset containing 953500115 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasCoordinate is true",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 953500115 records from 18356 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0016936-181108115102211/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.x8g7se
title: Occurrence Download

description: A dataset containing 218 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Vella annua L."
 ]
}

 The dataset includes 218 records from 24 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0045531-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.ufcpsm
title: Occurrence Download

description: A dataset containing 5859 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Riccardia palmata (Hedw.) Carruth."
 ]
}

 The dataset includes 5859 records from 165 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0186568-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.woxn78
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002404-171219132708484/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.t3cgsf
title: Occurrence Download

description: A dataset containing 582 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Salvia leucophylla Greene",
 "HasCoordinate is true",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 582 records from 12 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003471-150721130643939/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.28nyd9
title: Occurrence Download

description: A dataset containing 191 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Coincya monensis subsp. recurvata (All.) Leadlay"
 ]
}

 The dataset includes 191 records from 26 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0045551-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.jlvgw8
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0015314-160118175350007/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.a3ug69
title: Occurrence Download

description: A dataset containing 1023 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Arabis perennans S.Watson"
 ]
}

 The dataset includes 1023 records from 59 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0045617-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.qlbsbj
title: Occurrence Download

description: A dataset containing 32 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 32 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0021262-181108115102211/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.9kbnyg
title: Occurrence Download

description: A dataset containing 10 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Peru",
 "TaxonKey is Trinycteris nicefori (Sanborn, 1949)"
 ]
}

 The dataset includes 10 records from 5 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0406776-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.n8hskg
title: Occurrence Download

description: A dataset containing 2103696054 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present"
 ]
}

 The dataset includes 2103696054 records from 37846 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0130092-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.25549/pcra-ouc11399cclq
title: Put' = Voie = [The way], no. 24 (October 1930)

description: Irregular frequency
DOI: 10.25549/pcra-ouc11399cclu
title: Put' = Voie = [The way], no. 28 (June 1931)

description: Irregular frequency
DOI: 10.25549/pcra-ouc11399ccuk
title: Put' = Voie = [The way], no. 31 (December 1931)

description: Irregular frequency