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2. Transmission electron microscopy - Wikipedia

   en.wikipedia.org/wiki/Transmission_electron...

   The specimen holders hold a standard size of sample grid or self-supporting specimen. Standard TEM grid sizes are 3.05 mm diameter, with a thickness and mesh size ranging from a few to 100 μm. The sample is placed onto the meshed area having a diameter of approximately 2.5 mm. Usual grid materials are copper, molybdenum, gold or platinum.

3. Sample size determination - Wikipedia

   en.wikipedia.org/wiki/Sample_size_determination

   The table shown on the right can be used in a two-sample t-test to estimate the sample sizes of an experimental group and a control group that are of equal size, that is, the total number of individuals in the trial is twice that of the number given, and the desired significance level is 0.05. [4]

4. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

5. Contactless smart card - Wikipedia

   en.wikipedia.org/wiki/Contactless_smart_card

   A contactless smart card is a contactless credential whose dimensions are credit card size. Its embedded integrated circuits can store (and sometimes process) data and communicate with a terminal via NFC. Commonplace uses include transit tickets, bank cards and passports. There are two broad categories of contactless smart cards.

6. Digital printing - Wikipedia

   en.wikipedia.org/wiki/Digital_printing

   Digital printing is a method of printing from a digital-based image directly to a variety of media. [1] It usually refers to professional printing where small-run jobs from desktop publishing and other digital sources are printed using large-format and/or high-volume laser or inkjet printers.

7. Smart card - Wikipedia

   en.wikipedia.org/wiki/Smart_card

   The card security code (CSC) is a 3 or 4 digits number printed on a credit or debit card, used as a security feature for card-not-present (CNP) payment card transactions to reduce the incidence of fraud. The Card Security Code (CSC) is to be given to the merchant by the cardholder to complete a card-not-present transaction.