1) Gauges are issued as reference standards only.

2) Use of a new batch of reagents or reference standards that have been improperly made can cause this.

3) An encyclopedia is a neutral reference standard.

4) Currently DSA is the reference standard for evaluating these arteries.

5) Each batch of secondary reference standard should be periodically requalified in accordance with a written protocol.

6) Why is the internal reference standard method employed for the assay of Vitamin E by GC?

7) Design Prospectie comparison with reference standard of assessment of electrocardiograms by two independent specialists.

8) To maintain a rational inventory of reagents,(http:///reference standard.html) reference standard and other test consumable.

9) The source of each primary reference standard should be documented.

10) A detailed description of the analytical procedures used to characterize the reference standard.

11) Technical specification items of base stock for decorative resin impregnated paper, their test methods and reference standard were described.

12) The bi-path substitution method is used and the vacuum thermopile of compensation type is chosen as a reference standard. All the measuring process is automatical.

13) Much consideration and decision-making remains before, for example, experts can establish a reference standard Bacillus anthracis Ames strain.

14) Now see the real data for this year's and expenditure plan to provide a reference standard.

15) By establishing gear hobbing mathematic model, the forward some reference standard based on experiment.