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Journal articles
Magazine articles
Open Access
Development of paper quality parameter measurement in China, TAPPI Journal May 2022

ABSTRACT: Paper quality parameters are important indicators of paper production, such as paper moisture, basis weight, ash content, strength, and so on. This study focuses on the online measurement methods and development of paper basis weight, moisture, and ash measuring. First, the measurable paper parameters and quality control system products in China are analyzed. Then, the basis weight measurement methods, accuracy, and development are given in the range of 10~1000 g/m2. Third, the distinction between infrared and microwave methods for moisture measurement is discussed. Finally, the ash measurement is introduced. Production and consumption of tissue paper in China have continually increased during the past decade. Near-infrared light technology is mature for the measurement of paper parameters in the range of 10~200 g/m2 basis weight. However, the near-infrared online measurement of tissue paper is not widely used, and few tissue paper lines are equipped with this type of quality control system in China. Therefore, technology for near-infrared measurement of basis weight has a great potential market in the field of tissue paper production. This article analyzes the future development trend of near-infrared light in tissue paper basis weight measurement and summarizes the difficulties in near-infrared light measurement of tissue paper basis weight.

Journal articles
Magazine articles
Open Access
The Effect of Component Removal Upon the Porous Structure of the Cell Wall of Wood. II. Swelling in Water and the Fiber Saturation Point, TAPPI Journal May 2022

ABSTRACT: The word "swelling" applied to an assemblage of fibers such as wood or wood pul p is very vague.

Journal articles
Open Access
Facing the challenge: Mead's Jerry Tatar, TAPPI JOURNAL, November 1998, Vol. 81(11)

Facing the challenge: mead's jerry tatar, TAPPI JOURNAL, November 1998, Vol. 81(11)

Journal articles
Open Access
Application suggestions for ac drives, TAPPI JOURNAL, November 1998, Vol. 81(11)

Application suggestions for ac drives, TAPPI JOURNAL, November 1998, Vol. 81(11)

Journal articles
Open Access
Project management issues, TAPPI JOURNAL, November 1998, Vol. 81(11)

Project management issues, TAPPI JOURNAL, November 1998, Vol. 81(11)

Journal articles
Open Access
Shop talk - handling, circulation, and filtering in metered size press installations, part 1, TAPPI JOURNAL, November 1998, Vol. 81(11)

Shop talk - handling, circulation, and filtering in metered size press installations, part 1, TAPPI JOURNAL, November 1998, Vol. 81(11)

Journal articles
Open Access
Paper science and engineering programs - a comparison of the curricula, TAPPI JOURNAL, October 1998, Vol.81(10)

Paper science and engineering programs - a comparison of the curricula, TAPPI JOURNAL, October 1998, Vol.81(10)

Journal articles
Open Access
Image analysis of ink-jet quality for multi use office paper, TAPPI JOURNAL, October 1998, Vol.81(10)

Image analysis of ink-jet quality for multi use office paper, TAPPI JOURNAL, October 1998, Vol.81(10)

Journal articles
Open Access
Specific perimeter: a statistic for assessing formation and print quality by image analysis, TAPPI JOURNAL, October 1998, Vol.81(10)

Specific perimeter: a statistic for assessing formation and print quality by image analysis, TAPPI JOURNAL, October 1998, Vol.81(10)

Journal articles
Open Access
Adaptive web-tension control using a dancer arm, TAPPI JOURNAL, October 1998, Vol.81(10)

Adaptive web-tension control using a dancer arm, TAPPI JOURNAL, October 1998, Vol.81(10)

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