Most Recent Articles from Journal of Research of the National Institute of Standards and Technology

• Reflective optical chopper used in NIST high-power laser measurements 

  For the past ten years, NIST has used high-reflectivity, optical choppers as beamsplitters and attenuators when calibrating the absolute...

  11/01/08 by Xiaoyu Li · More from publication

• Properties of calcium phosphate cements with different tetracalcium phosphate and dicalcium phosphate anhydrous molar ratios 

  Calcium phosphate cements (CPCs) were prepared using mixtures of tetracalcium phosphate (TTCP) and dicalcium phosphate anhydrous (DCPA), with...

  11/01/08 by Satoshi Hirayama · More from publication

• Workshop on measurement needs for local-structure determination in inorganic materials 

  The functional responses (e.g., dielectric, magnetic, catalytic, etc.) of many industrially-relevant materials are controlled by their local...

  11/01/08 by Igor Levin · More from publication

• A low-cost fiducial reference phantom for computed tomography 

  To detect the growth in lesions, it is necessary to ensure that the apparent changes in size are above the noise floor of the system. By...

  11/01/08 by Zachary H. Levine · More from publication

• Revised standardized equation for hydrogen gas densities for fuel consumption applications 

  An equation for the density of hydrogen gas has been developed that agrees with the current standard to within 0.01 % from 220 K to 1000 K with...

  11/01/08 by Eric W. Lemmon · More from publication

• Modeling of photochemical reactions in a focused laser beam, II 

  A method is described for obtaining the rate constant of the photodegradation process of fluorophores illuminated by a focused laser beam. The...

  09/01/08 by Adolfas K. Gaigalas · More from publication

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