Take control charts as the principal statistical process control tools. The recognition accuracy of abnormal control chart patterns (CCPs) directly influences the quality control of production process ...

An update of charts that gives estimations of the water content of sour natural gas, published 10 years ago, reflects new experimental data and are more accurate for low pressures. Sour gas producers ...

Leaning the mixture is an underutilized technique for pilots to significantly improve fuel economy, extend flight endurance, and prevent engine issues like spark plug fouling. Proper leaning optimizes ...

The Copper/Silver ratio has had a range from below 0.10 to above 0.30 in recent decades. My research reveals that this broad range has existed and held for thousands of years, from ancient Egypt to ...