نتایج جستجو برای: national standards

تعداد نتایج: 486932  

Journal: :Journal of Research of the National Bureau of Standards 1957

Journal: :iranian journal of nursing and midwifery research 0
r hassanzahraei f safdari dehcheshmeh s ehsanpour

background: today, moving toward high quality and efficient education is essential in educational systems. to achieve it, management, research and educational programs should evolve consistent with the produced knowledge, professional developments and standards. regarding the important role of midwifery education in improvement of social health, the current study was carried out to identify the...

2005
Andrew Updegrove

Introduction: In 2000, the American National Standards Institute (ANSI) undertook the task of drafting a “National Standards Strategy “ for the United States. The goals included identifying the challenges then facing America as it participated domestically and abroad in standard setting, devising responsive actions to be taken to meet those challenges, and designating the stakeholders best suit...

2004
J. C. Travis

This Standard Reference Material (SRM) is a primary transfer standard certified using a national reference spectrophotometer at NIST [1-3]. SRM 2930 is complementary to SRM 930e and SRM 1930, providing levels of transmittance/absorbance that extend the range covered by those SRMs. It is intended for use in the verification of the transmittance and absorbance scales of spectrophotometers in the ...

Journal: :Journal of Research of the National Bureau of Standards 1984

2003

This Standard Reference Material (SRM) is intended primarily for use in the development and validation of analytical methods for the determination of cholesterol, fat-soluble vitamins, fat, and fatty acids in a lipid matrix. SRM 1563 consists of ten ampoules per unit: five ampoules of natural coconut oil (1563-1) and five ampoules of fortified coconut oil (1563-2). Each ampoule contains approxi...

2017

This Standard Reference Material (SRM) is a frozen fish tissue homogenate that was prepared from fish collected from Lake Michigan, and is intended primarily for use in evaluating analytical methods for the determination of selected trace elements, methylmercury, total mercury, polychlorinated biphenyl (PCB) congeners, chlorinated pesticides, polybrominated diphenyl ether (PBDE) congeners, perf...

2005
P. C. DeRose B. Coxon G. W. Kramer D. L. Duewer M. B. Satterfield D. M. Bunk M. J. Welch E. White S. A. Margolis J. R. Sieber B. J. Porter M. M. Schantz

This Standard Reference Material (SRM) is intended for the verification and calibration of spectrophotometers used to measure the concentration of Solvent Red dyes employed as colorants to mark “off-road” diesel fuel. SRM 2037 is certified for the purity of the Solvent Red 24 Dye (C24H20N4O, molecular mass 380.45) and for the secondderivative-based molecular absorption coefficients (extinction ...

Journal: :CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 2011
Roger Collier

176 CMAJ, February 8, 2011, 183(2) © 2011 Canadian Medical Association or its licensors orient themselves with a lot of resources and a lot of sophistication. What do you do with a solo GP? Or even a multi-group practice?” Infection prevention and control in Canada has been focused on acute care facilities as a consequence of rising rates of health care–associated infections, which are now esti...

2015

This Standard Reference Material (SRM) 2366 is intended primarily for use in the value assignment of the number of amplifiable genome copies of cytomegalovirus (CMV) per volume, such as copies per microliter. This material is to be used to provide traceability of calibration materials used in quantitative measurements of viral load in tissues or fluids such as plasma. The DNA consists of a bact...

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