Ei Compendex®
Date revised: 2 August 2021

Ei Compendex® is the most comprehensive bibliographic engineering database, covering 190 disciplines from the world's
significant engineering and technology literature. Subjects include civil, energy, environmental, geological, and biologicalengineering; electrical, electronics, and control engineering; chemical, mining, metals, and fuel engineering; mechanical,automotive, nuclear, and aerospace engineering; computers, and robotics.
Comprehensive coverage of international engineering and technology includes, but is not limited to:•••••••

Aeronautical and Aerospace Engineering
Applied Physics (High Energy, Plasma, Nuclearand Solid State)
Bioengineering and Medical Equipment
Chemical Engineering, Ceramics, Plastics andPolymers, Food Technology
Civil and Structural Engineering, Environmental
Technology
Electrical, Instrumentation, Control Engineering,
Power Engineering
Electronics, Computers, Communications

Date Coverage 1884-present••••••

Energy Technology and Petroleum Engineering
Engineering Management and IndustrialEngineering
Light and Optical Technology
Marine Engineering, Naval Architecture, Oceanand Underwater Technology
Mechanical Engineering, AutomotiveEngineering and Transportation
Mining and Metallurgical Engineering, Materials
Science

Update Frequency WeeklyThe following date ranges are also available separately: 1884-1968, 1969+, 1969–1989, 1990+
A small number of records published before 1884 are available in Ei Compendex.

Geographic Coverage International

Document Types Journal articles, reports, books,
conferences, book reviews

Sources Some 6,500 primary sources are monitored for articles of technological importance. Articles are drawn fromjournals, transactions, reports and special publications of engineering societies, scientific and technical associations,
government agencies, universities, laboratories, research institutions and industrial organizations; proceedings ofconferences, symposia and colloquia; monographs; standards; seminars and reports. Sources are from 58 countries andin 26 languages.

Publisher
Elsevier Engineering Information, Inc.
Castle Point Terrace
Hoboken, NJ 07030-5996
USA1© 2023 Clarivate. Clarivate and its logo, as well as all other trademarks usedherein are trademarks of their respective owners and used under license.

Sample document

TI
AU, AUFN, AULN
PUBAB

SU, SUBT

CC

IF

TI
AU
LA
SL
DTYPE
PUB
VO
PG
ISSN
CODEN
PSTYPE
PB
PBLOC
DOIPD
DCRE
DSTATANFAVUD2© 2023 Clarivate. Clarivate and its logo, as well as all other trademarks usedherein are trademarks of their respective owners and used under license.

Search fields
Field Name

Field CodeExample

Description and Notes

AbstractABab(“zero-Hopf bifurcation”

Use adjacency and/or Boolean operators
to narrow search results.

Abstract present

ABANY"numerical simulations" ANDabany(yes)Add: AND ABANY(YES) to a query to limit
retrieval to records with abstracts.

Accession number

ANan(20133816768743)

A unique document identification number
assigned by the information provider.

All FieldsALLall(“harmonic oscillator” N/1 “delayedfeedback”)

Searches all fields in bibliographic files.
Use adjacency and/or Boolean operators
to narrow search results.

All fields + text--

“harmonic oscillator” N/1 “delayedfeedback”

Same as ALL field code. Searches all
fields in bibliographic files.

Author1AU

au(“cao, jianzhi”)

Author First Name

AUFN

aufn(jianzhi)

Author Last Name

AULN

auln(cao)

First author

FAU

fau(rong, yuan)

Author affiliation

1Classification

3

AFCC,CLaf(beijing normal university)af(france)

cc("mechanical devices ")cl(601.1)

Includes all Authors.

First name listed in Author field. It is
included in Author browse, but its position
cannot be specified in the Author browse.
Displays in Correspondence author field.
Includes as much data as is available in
the original document, such as
department, organization, address, city,state, country, author email, etc.
An alternative to CMDXCC for cross-filesearching.
Not available in pre-1970 data.

Compendex
classification

CMDXCC

cmdxcc(applied mathematics)

CODEN

CODEN

coden(nrcge)

Conference

CFcf("2011 aaai workshop")Conference event start
dateESDT, CDT

esdt(2011-08-07)

Conference event end
dateEVDT

evdt(2011-08-07)

Conference location

CG

Displays in Classification field.
Not available in pre-1970 data.

Includes conference name.

cg(“columbus oh*”)cg(“vancouver bc”)

© 2023 Clarivate. Clarivate and its logo, as well as all other trademarks usedherein are trademarks of their respective owners and used under license.

Field Name

Field Code

Conference sponsor

CSCountry

CNT

Date createdDCRE

ExampleDescription and Notes

cs(boeing)cs("northrop grumman")cnt(netherlands)dcre(2013-09-03)

Not available in pre-1970 data.
Contains conference country.
Not available in pre-1970 data.
The date on which Elsevier created therecord.
Not available in pre-1970 data.

DOIdoi(10.1080/01431161.2011.566287)

Document status

DSTAT

dstat(new)Document title

TIti(harmonic oscillator)

Includes Title, Alternate Title, Original Title,
and Subtitle but not Publication Title(PUB).

Title only

TIO

tio(Wasseranalytik)

Searches only the Title, not Subtitle or
Alternate Title.

Alternate title

OTI

oti(DATENVERARBEITUNG)

Includes Alternate title, Subtitle, andOriginal-language title if available.

Document type

DTYPE

First available

FAV2

From database

ISBNIdentifier (keyword)

ISSN

4

Search the portion of the DOI that comes
after http://dx.doi.org/. Not available inpre-1970 data.

DOI

FDB

ISBNIF

ISSN

dtype(article)
dtype("conference paper")fav(2013-09-30)"lignocellulosic biofuels" ANDfdb(eicompendex)"lignocellulosic biofuels" ANDfdb(10000131)
isbn(0030099927) ORisbn(9780030099922)

Indicates the first time a document wasloaded in a specific database on Dialog. It
will not change regardless of how manytimes the record is subsequently reloaded,
as long as the accession number does notchange.
Useful in multifile searches to isolate
records from a single file. FDB cannot besearched on its own; specify at least one
search term then AND it with FDB.
Also searchable via the Look Up Citation
tool.
Not available in pre-1970 data.

if(“characteristic equation”)

Not available in pre-1970 data.

issn(0925-2312)

Also searchable via the Look Up Citation
tool.

issn(09252312)

Not available in pre-1970 data.

© 2023 Clarivate. Clarivate and its logo, as well as all other trademarks usedherein are trademarks of their respective owners and used under license.

Field Name

Field CodeExample

Description and Notes

Issue

ISS

iss(12)

LanguageLAla(french)

Language of abstract

SLsl(english)

Major subject

MJSUB

mjsub(hopf bifurcation)

PaginationPG

pg(172-180)

The start page is searchable on the Look
Up Citation page.

Patent information

PATpat(“dow chemical”)

Patent information is only available
between the years 1906- 1976.

InventorINVinv(takagi, h)Patent application datePAD

pad(1965-09-28)

Patent assignee

APap("sakai chemical industry co")Patent publication datePDA

pda(19690617)

Patent publication
numberPNpn(3450585)

Patent publication
countryPC

The language in which the document wasoriginally published.

pc(gb)
pc(us)
pd(20081001)

Publication datePDpd(>=20110415)

Date range searching is supported.

pd(20100101-20101231)
Publication title1

PUB

pub(neurocomputing)Publication title including full andabbreviated form of Journal name.

yr(2007)
Publication year

YRyr(2011-2012)

Date range searching is supported.

yr(<2009)

5Publisher

PBpb(“taylor and francis”)

Publisher cityPBCITY

Place of publication

CPcp(china)

Source information

SRC

src("radiation physics andchemistry") AND yr(2011)

Subject1

SUsu(oscillators (mechanical))pbcity(london)
pbcity(abingdon oxfordshire)
Country of publication.

Includes Subject and Identifier (keyword).

© 2023 Clarivate. Clarivate and its logo, as well as all other trademarks usedherein are trademarks of their respective owners and used under license.

Field Name

Field CodeExample

Description and NotesSUBT searches terms from the Subject
display field only.

Main subject

SUBTsubt(“eigenvalues”)

UpdatedUDud(2013-09-30)

The date(s) the record was loaded as aresult of an update provided by thesupplier.

Volume of publication

VOvo(122)

Also searchable via the Look Up Citation
tool.

1
2Terms selected from the Subject filter use
the SUBT field code.

A Lookup/Browse feature is available for this field in the Advanced Search dropdown or in Browse Fields.
Click the “Field codes” hyperlink at the top right of the Advanced Search page. Click “Search syntax and field codes”, then click on “FDB command” toget a list of database names and codes that can be searched with FDB.

Search tools
Field codes are used to search document fields, as shown in the sample document. Field codes may be used in searches
entered on the Basic Search, Advanced Search, and Command Line search pages. Limit options, Look up lists, and“Narrow results by” filters tools are available for searching. Some data can be searched using more than one tool.

Limit options
Limit options are quick and easy ways of searching certain common concepts. Check boxes are available for:
Abstract included
Short lists of choices are available for:Document type, Language
Date limiters are available in which you can select single dates or ranges for date of publication and updated.

Browse fields
You can browse the contents of certain fields by using Look Up lists. These are particularly useful to validate spellings or
the presence of specific data. Terms found in the course of browsing may be selected and automatically added to theAdvanced Search form. Look Up lists are available in the fields drop-down for:
Author, Classification, Publication title, Subject, Major subject“Narrow Results by” filters
When results of a search are presented, the results display is accompanied by a list of “Narrow results by” options shownon the right-hand panel. Click on any of these options and you will see a ranked list showing the most frequently
occurring terms in your results. Click on the term to apply it to (“narrow”) your search results. “Narrow results by” limitersin Ei Compendex include
Author, Classification, Document type, Language, Publication title, Subject, and Publication date6© 2023 Clarivate. Clarivate and its logo, as well as all other trademarks usedherein are trademarks of their respective owners and used under license.

Look up citation
If you need to trace a particular bibliographic reference, use the Look Up Citation feature. Find a link to this toward the top
left-hand corner of the Advanced Search page, or in the drop list under Advanced on any search form; click this and you
will go to a form where you can enter any known details of the citation, including document title, author, journal name,volume, issue, page, publication date, ISSN.

Document formats
Predefined document formats are available for viewing and download. Search results can be downloaded with theDownload all results, Email, Print and Export/Save options, and when creating an alert. To design your own download
format, choose the “Custom” format option and check the fields to be displayed.
Document Format

FieldsOnlineExport/Download

Brief view

Title and Publication date.

üDetailed view

Brief view plus a 3-line KWIC window.

üKWIC (Keyword in Context)

Detailed view plus all occurrences of your search term
highlighted in the field(s) where the terms occur.

üPreview (subscribers only)

Detailed view plus Author, Publication title, Volume,Issue, Pagination, Subject, and Abstract.

üPreview (transactional)

Title, Publication date, abbreviated Abstractü

Brief citation

The record minus the Abstract and indexing.

üüCitation/Abstract

The complete record.

ü1ü

CustomChoose the fields you wantü

ü21

In Online-view mode, Dialog gives access to two Document Formats only: Brief citation, and the ‘most complete’ format available. Depending on thedatabase, or the amount of data available for a record, the most complete format may be any one of Citation, Citation/Abstract, Full text, or Full text –PDF.
2Custom export/download format is available in the following mediums only: HTML, PDF, RefWorks, RTF, Text only, XLS.

Terms & Conditions
Elsevier Engineering Information, Inc. has copyrighted the compilation and indexing of Ei Compendex. Ei Compendex® isa registered trademark of Elsevier Engineering Information, Inc.
Ei Compendex®: Use or copies of all or part of Ei Compendex for replacing this database, or the lease, license, orpurchase of any publication listed in the Engineering Index catalog is not authorized. The use of materials supplied
hereunder or any copies thereof for the purpose of loan, resale, rental use, or gift to any third person, organization orcorporation is strictly forbidden. No part of Ei Compendex may be copied in machine-readable form for delivery to or
made available for the use of any third party.
Dialog Standard Terms & Conditions apply.

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7© 2023 Clarivate. Clarivate and its logo, as well as all other trademarks usedherein are trademarks of their respective owners and used under license.