International standards are a crucial element in brucellosis prevention and management. They allow policy-makers, scientists, epidemiologists, laboratories and trade entities to have a common vocabulary for communication and understanding of the disease. These standards cover the entire spectrum of activities from surveillance, testing, prophylaxis, transport and trade to policy development, re...

Systemic reform followed by standards based reform in K-12 education begins with state content standards. Based at least in part on policy research in education, the pair of reforms make the assumption that what is taught is a strong predictor of what students will learn. Thus, being clear about what it is that we want students to know and be able to do and expressing that message in content st...

As several standards are available for the accelerator test, influence of different on test result was studied. Results showed that cement components and type had a significant effect results. In addition, impact batches benchmark w/c ratio results investigated. Moreover, reasons affected analyzed. Standards testing principles selection were also discussed in this paper.