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2013-10-31 23:00:34

SACHEM will exhibit at Semicon Korea COEX in Seoul, S. Korea. SACHEM experts will be available at Booth# 1242 to provide an update on TMAH Safety, chemical recycling and the Envure System™, a portfolio of chemical components used by formulators creating wafer cleaning, stripping, selective etching, and photoresist developer chemical solutions. Austin, Texas (PRWEB) October 31, 2013 SACHEM will exhibit at Semicon Korea COEX in Seoul, S. Korea. SACHEM experts will be available at Booth#...

2013-09-26 23:01:35

SACHEM experts will be available at SEMICON Europa Booth #1441 to discuss recent process challenges and opportunities in semiconductor market. Specific to the semiconductor industry, SACHEM will highlight the Envure System™ which offers next generation chemical components to assist manufacturers in meeting increasingly stringent performance and quality goals. Austin, TX (PRWEB) September 26, 2013 Thursday, September 26, 2013, SACHEM experts will be available at SEMICON Europa, booth...

2012-11-27 15:35:35

The wetting model is a classical problem in surface science and biomimetic science. Professor LIU Jianlin and his collaborators from China University of Petroleum, Wuhan University and Fourth Military Medical University approached this old and classical problem from a new direction. They stressed that it is the triple contact line and not the contact area of the droplet/solid interface that determines the macroscopic contact angle. The proposed continuum model, termed the mechanism-based...

2007-10-30 06:00:33

By Cushing, C A Golden, R; Lowney, Y W; Holm, S E ABSTRACT Alkaline copper quaternary (ACQ) Type D is one of several compounds currently being used as a chemical preservative to treat wood for prevention of rot and decay. As wood weathers naturally, human exposure to ACQ might occur through dermal contact or incidental ingestion of residues from the wood surface. To understand any potential for health risks from the use of ACQ- treated wood, a health-based evaluation was undertaken on the...


Word of the Day
attercop
  • A spider.
  • Figuratively, a peevish, testy, ill-natured person.
'Attercop' comes from the Old English 'atorcoppe,' where 'atter' means 'poison, venom' and‎ 'cop' means 'spider.' 'Coppa' is a derivative of 'cop,' top, summit, round head, or 'copp,' cup, vessel, which refers to 'the supposed venomous properties of spiders,' says the OED. 'Copp' is still found in the word 'cobweb.'
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