As a continuous improvement methodology, the Cradle to Cradle Certified Product Standard evaluates products across five categories: material health, material reutilisation, renewable energy and carbon management, water stewardship, and social fairness.
Knowledge gathered from the relevant publications was organised into four main categories: material science, engineering, building design and market analysis.
Instead, after sifting hundreds of variables, the researchers settled on 21 that coalesce into six categories: material well-being; housing and environment; educational well-being; health and safety; risky behaviour; and quality of school life.
First, various factors were divided into four categories: material factors (MF), design factors (DF), compaction factors (CF) and volumetric factors (VF), based on how they influence the performance of the asphalt mixtures.
U.S. & UK: "Worst places to be a child" UNICEF released a study last month that ranked more than 20 developed nations in six categories: material wealth, health, education, relationships, risky behaviors, and children's subjective well-being.
In the SM model, there are six process categories: material, mental, relational, verbal, behavioural and existential.
The objects are conventionally called flows and classified according to three categories: material, energy and signal.
Schmitt and Darwin (1995) conducted a study on the effects of different variables on bridge deck cracking, classifying the variables into five categories: material properties, site conditions, construction procedures, design specifications, and traffic and age.
2018, Thomas Reuters Highly Cited Researcher (physics category, materials category).
