Sentence examples for attrition index from inspiring English sources

To some extent, the lower attrition index means longer lifetime of catalyst.

The attrition index of FCC catalyst is a key parameter and it represents the mechanical strength of catalyst.

An attrition index, calculated from jet cup data, is used to compare with one or more reference materials.

The as-prepared FCC catalysts can meet the requirements of industrial application since their attrition index is less than the industrial limit value of 2.5.

The results show that with increasing the addition of new matrix, the attrition index of FCC catalysts increased obviously while the surface areas and pore volumes slightly increase.

CPP catalyst possesses the features of low hydrogen transfer reaction; high matrix activity; active component consisting of both large pore and meso-pore zeolites; modification of the meso-pore zeolite to increase the ratio of Lewis acid to Bronsted acid for enhancing free radical reaction; higher hydrothermal stability and lower attrition index.

The materials have attrition coefficients, plasticity index, and fines content above the recommended limits.

This enables very-long-time simulations to obtain important engineering parameters such as the particle residence time distribution, attrition and deactivation indexes.

The literature identifies separate indices for use in clinical and laboratory situations and specific indices for attrition, abrasion, erosion and multifactorial tooth wear.

Concept attrition is high if this integrity index is low.

The objective of this study was to retrospectively evaluate attrition rates and program outcome measures (Body Mass Index [BMI] and maximum oxygen consumption [VO2max]) among asthmatic and non-asthmatic participants.