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Ecstasy/MDMA attributed problems reported by novice, moderate and heavy recreational users [PDF]

open access: yes, 2002
The recreational use of MDMA/Ecstasy (3,4-methylenedioxymethamphetamine) is associated with many psychobiological problems, but there is a paucity of data on how these relate to the level of past use.
Buchanan, Tom   +11 more
core   +1 more source

Barrier And Buffer Fluid Selection And Considerations For Mechanical Seals [PDF]

open access: yes, 2015
TutorialThe increased use of pressurized and non-pressurized dual mechanical seals has driven more installations to require the use of barrier and buffer fluids.
Huebner, Michael
core   +1 more source

Social network support and harm reduction activities in a peer researcher-led pilot study, British Columbia, Canada

open access: yesHarm Reduction Journal, 2020
Background People who smoke drugs (PWSD) are at high risk of both infectious disease and overdose. Harm reduction activities organized by their peers in the community can reduce risk by providing education, safer smoking supplies, and facilitate access ...
Sulaf Elkhalifa   +6 more
doaj   +1 more source

Unifying user-to-user messaging systems [PDF]

open access: yesIEEE Internet Computing, 2004
Unification of user-to-user messaging systems facilitates message exchange independent of time, place, protocol, and end-user device. This article describes an approach to unification that is based on introducing a middleware layer instead of employing gateways.
Jan-Mark S. Wams, Maarten van Steen
openaire   +1 more source

Mechanical Seals [PDF]

open access: yes, 2015
Discussion GroupMechanical seals are the most common method of sealing industrial centrifugal pumps and other rotary equipment. Although the basic concepts of a seal is simple, successfully using seals requires an understanding of the selection and ...
Monroe, Todd   +5 more
core   +1 more source

Measuring capital in active addiction and recovery: the development of the strengths and barriers recovery scale (SABRS)

open access: yesSubstance Abuse Treatment, Prevention, and Policy, 2020
Background The international Life In Recovery (LiR) surveys have provided an important message to the public and policy makers about the reality of change from addiction to recovery, consistently demonstrating both that there are marked gains across a ...
David Best   +2 more
doaj   +1 more source

Examination of the Ability of Internal Processes of the Supreme Audit Court to Take Responsibility for Users [PDF]

open access: yesحسابداری دولتی, 2021
Subject and Purpose of the Article: The purpose of this study is to evaluate the ability of internal        processes of the supreme audit court to perform accountability for users.
Reza Sotudeh, Mahdi Faghani, ahmad pifeh
doaj   +1 more source

API 682 Arrangement 2 Configurations - Considerations for Outer Seal and Support System Design [PDF]

open access: yes, 2015
TutorialAPI 682, now in its 4th Edition, has made a concerted effort to accurately define and distinguish between different types of seal configurations available under the designation of Arrangement 2 , including 2CW-CW, 2CW-CS, and 2NC-CS.
Kalfrin, Brian, Gonzalez, Luis
core   +1 more source

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