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Silicon nitride (Si3N4) has been the main material for balls in ceramic ball bearings, on account of its lower density, high strength, high hardness, fine thermal stability and anticorrosive qualities, and it is used widely in various fields, such as high speed and high temperature areojet engines, precision machine tools and chemical engineering machines.
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In the rugged environment of the engine, precision measurement systems that can withstand high temperatures are extremely complex to design, but can equate to significant fuel savings when done right.
Early tests of this modified approach suggest that HITS beats Yahoo! (one of the most popular search engines) for precision about half the time, and matches it in another 30% of searches.
However, it is important to say that for a real Web image search engine high precision is most important at low recall levels.
It could be used to power location based recommendation engines with more precision than Yelp.
To compare the performance of the CAT Crawler meta-search engine to that of the two individual search engines, recall and precision were computed and averaged over the evaluation of all 13 participators.
While achieving an identical recall, the meta-search engine showed a precision of 77.26% (±14.45) compared to the individual search engines' 52.65% (±12.0) (p < 0.001).
The results for the estimation of the Mechanical Efficiency and the Load Torque for a Spark Ignition Engine exhibit high precision levels with a lower number of experiments with respect to the use of conventional strategies for selecting the training data set.
For this reason, the search engine inspects the precision of the search orderings at every ancestral and organism node in the PMT to identify good combinations.
But despite all this precision engineering, each hand-built engine, according to Gallagher of Cosworth, is different.
The performance of engine can be improved by increasing the precision of the engine parts and the heat source efficiency.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com