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In environmental science and particularly in chemistry and microbiology, a parameter is used to describe a discrete chemical or microbiological entity that can be assigned a value: commonly a concentration, but may also be a logical entity (present or absent), a statistical result such as a 95 percentile value or in some cases a subjective value.
Science Research Associates Inc. was founded in 1938 [1] with a trade and occupational focus. In 1957, it moved into individualized classroom instruction with the iconic SRA Reading Laboratory Kit, a format that they translated to mathematics, science, and social studies [1] commonly called SRA cards. [2]
Lab notebook with the complete record of the experiments underlying a published paper. [1] Chemistry stencils that used to be used for drawing equipment in lab notebooks. A laboratory notebook (colloq. lab notebook or lab book) is a primary record of research.
This class of data-sets is usually specified via a test statistic, which is designed to measure the extent of apparent departure from the null hypothesis. The procedure works by assessing whether the observed departure, measured by the test statistic, is larger than a value defined, so that the probability of occurrence of a more extreme value ...
California Gov. Gavin Newsom said the state will provide rebates to residents if President-elect Donald Trump's incoming administration does away with a federal tax credit for electric vehicles.
The New Year -- and the entire month of January -- is often the busiest time at the gym. This increase is largely driven by New Year's resolutions as more people set fitness and health goals. Read...
‘Family Ties’ Star Justine Bateman Slams ‘Un-american Period’ Over The Last 4 Years: ‘Common Sense Discarded’ "My belief is that everyone should be free to live their life exactly how ...
These examples demonstrate that to properly understand a value for TIBC, one also must know the serum iron, the percent transferrin saturation, and the individual clinical situation. In modern laboratory testings, serum ferritin levels are generally accepted as reliable single indicators of the presence of iron deficiency. [citation needed]