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Topic: PWB


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In the News (Sat 28 Nov 09)

  
  PWB
In addition to focusing much-needed attention on improving the science underlying PWB technology, the five-year project generated broad-based benefits for the U.S. economy by enhancing the competitiveness of this $7 billion domestic industry.
The project generated 214 research papers, fostering rapid transfer of the new technology to the PWB industry as a whole, and led to the formation of a successful new company.
The NCMS convened and coordinated the ATP project, which was a joint effort to overcome a host of technical deficiencies in PWBs blamed in part on cutbacks in corporate research and development.
www.nist.gov /public_affairs/factsheet/pwb2.htm   (1013 words)

  
  PWB shell - Wikipedia, the free encyclopedia
The PWB shell (also known as the Mashey shell) was an early Unix shell distributed with some versions of Programmer's Workbench UNIX circa 1975-1977.
Although it was soon superseded by the Bourne shell, several features introduced in the PWB shell remain in many later shells.
This Bourne shell was incompatible with the Thompson and PWB shells, but included several of PWB shell's features.
en.wikipedia.org /wiki/PWB_shell   (284 words)

  
 State Public Works Board (PWB) Lease-Revenue Bond Programs
PWB is authorized to issue lease-revenue bonds to finance acquisition and construction projects when such projects are authorized by the Legislature.
PWB may issue revenue bonds pursuant to Government Code Section 15814.15 to finance the cost of alternative energy equipment and for energy and water conservation measures in state public buildings, defined to include local school districts’ (K-12) buildings.
PWB oversight of lease-revenue projects is described in the portion of this chapter on project administration (Sections 6840–6869).
sam.dgs.ca.gov /TOC/6000/6873.htm   (897 words)

  
 PWB FAQs
PWB facilities generally purchase sheets of copper-clad base laminate in sizes of 3x4 feet or larger.
Holes are drilled through the PWB to interconnect circuitry on different layers and to allow the insertion of components (Exhibit 3-10).
The bath is typically made with 10 ounces/gallon of copper sulfate, 25 to 40 ounces/gallon of sulfuric acid, and a small amount of hydrochloric acid to provide a chloride concentration of 30 to 90 mg/l.
www.pwbrc.org /faq11.cfm   (3268 words)

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