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  2. List of parties to the Treaty on the Non-Proliferation of ...

    en.wikipedia.org/wiki/List_of_parties_to_the...

    The NPT remains the most widely subscribed to nuclear arms control treaty in history. [3] As of February 2015, 190 states are recognized as parties to the treaty, excluding North Korea which withdrew. The State of Palestine is the most recent state to have joined, having submitted its instrument of succession on 10 February 2015.

  3. National pipe thread - Wikipedia

    en.wikipedia.org/wiki/National_pipe_thread

    The types are named with a full name and an abbreviation, such as NPT, NPS, NPTF, or NPSC. MIP is an abbreviation for male iron pipe, and FIP is an abbreviation for female iron pipe. [2] Outside North America, some US pipe thread sizes are widely used, as well as many British Standard Pipe threads and ISO 7–1, 7–2, 228–1, and 228-2 threads.

  4. Treaty on the Non-Proliferation of Nuclear Weapons - Wikipedia

    en.wikipedia.org/wiki/Treaty_on_the_Non...

    The Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT, is an international treaty whose objective is to prevent the spread of nuclear weapons and weapons technology, to promote cooperation in the peaceful uses of nuclear energy, and to further the goal of achieving nuclear disarmament and general and complete disarmament. [3]

  5. Nuclear Non-Proliferation Act of 1978 - Wikipedia

    en.wikipedia.org/wiki/Nuclear_Non-Proliferation...

    Nuclear Non-Proliferation Act of 1978, 22 U.S.C. § 3201, is a United States federal law declaring that nuclear explosive devices pose a perilous threat to the security interests of the United States.

  6. Zangger Committee - Wikipedia

    en.wikipedia.org/wiki/Zangger_Committee

    Between 1971 and 1974, a group of 15 nuclear supplier states held a series of informal meetings in Vienna chaired by Professor Claude Zangger of Switzerland.The group's objective was to reach a common understanding on: (a) the definition of "equipment or material especially designed or prepared for the processing, use or production of special fissionable material;" and (b) the conditions and ...

  7. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    NPT – Non-Productive Time (used during drilling or well intervention operations mainly, malfunction of equipment or the lack of personnel competencies that result in loss of time, which is costly) NPV – net present value; NRB – not required back; NRPs – non-rotating protectors; NRI – net revenue interest; NRV – non-return valve

  8. Middle East nuclear weapon free zone - Wikipedia

    en.wikipedia.org/wiki/Middle_East_nuclear_weapon...

    Egypt sees a MENWFZ as a means of pressure on Israel to relinquish its ambiguous nuclear policy, and to sign the NPT. [14] Until the Iranian nuclear program, Israel was believed to be the only regional country to have a nuclear deterrence capability, developed in the 1960s.

  9. 13 steps - Wikipedia

    en.wikipedia.org/wiki/13_steps

    The 13 steps are identified in a paragraph of the Final Document (agreed by consensus) of the 2000 Review Conference of the Nuclear Non-Proliferation Treaty, providing a set of 'practical steps for the systematic and progressive efforts to implement Article VI of the Treaty on the Non-Proliferation of Nuclear Weapons'.