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  2. Gas separation - Wikipedia

    en.wikipedia.org/wiki/Gas_separation

    Pressure swing adsorption (PSA) pressurizes and depressurizes a multicomponent gas around an adsorbent medium to selectively adsorb some components of a gas while leaving other components free-flowing.

  3. Pressure swing adsorption - Wikipedia

    en.wikipedia.org/wiki/Pressure_swing_adsorption

    Pressure swing adsorption (PSA) is a technique used to separate some gas species from a mixture of gases (typically air) under pressure according to the species' molecular characteristics and affinity for an adsorbent material.

  4. Pennsylvania State Education Association - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_State...

    The Pennsylvania State Education Association (PSEA) represents more than 187,000 teachers, educational support professionals, counselors, curriculum specialists, librarians, health care workers, school nurses, school dental hygienists, school nurses, school psychologists, school social workers, vocational-technical instructors, community college and junior college educators, students and ...

  5. Professional services automation - Wikipedia

    en.wikipedia.org/wiki/Professional_services...

    Ultimately PSA software suites allow users to integrate industry-appropriate metrics in order to better understand operations and, in turn, improve efficiency and profitability. [2] As businesses grow, the size and complexity of their projects tend to increase as well. PSA software is used to provide visibility into mid-project profitability.

  6. Teacher turnover: This Fort Worth elementary school lost 88% ...

    www.aol.com/teacher-turnover-fort-worth...

    Data obtained by the United Educators Association and shared with the Star-Telegram shows a breakdown of each Fort Worth ISD campus.

  7. Classroom walkthrough - Wikipedia

    en.wikipedia.org/wiki/Classroom_walkthrough

    Classroom walkthrough is a mode of professional development for teachers.Clinical supervision, or the practice of classroom observation and feedback, has been one of the most often used tool in evaluating teacher performance, but the extent to which it helps teachers to improve their instruction is questionable. [1]

  8. Projector PSA - Wikipedia

    en.wikipedia.org/wiki/Projector_PSA

    Projector is considered Professional Services Automation, or PSA software. Projector is designed to help companies with project management, resource scheduling, and project accounting. Projector is a cloud-based application [4] that allows users to access the application anywhere they have an internet connection. Projector has two main ...

  9. Professional Systems Associates - Wikipedia

    en.wikipedia.org/wiki/Professional_Systems...

    Professional Systems Associates, Inc. (PSA) is a small, veteran-owned business, located in Panama City, Florida. PSA is a Florida Corporation and was incorporated on October 20, 1988. [ 1 ] PSA's growth is rooted in: the partnership with General Services Administration and the GSA Schedule 70 IT contract, a very low employee turnover rate and ...