Residual lignin-carbohydrate complex see

RLCC

residual lignin structures 173–174, 713–716,

– milled wood lignin, conventional and

EMCC® kraft pulp 262

– modified kraft cooking 257–264

Residual phase, kraft pulping reactions

Overview 184

Residual sodium, unidirectional longitudinal

Diffusion 139

resin 1030–1033

– black liquor 967

– dissolving pulp characterization 1061

Resin acids

– kraft cooking extractives 183

– softwoods 35–36

Resin canals, softwoods 52

Resin content, wood quality 1075

Resin ducts, softwoods 51

Resin reduction 960

Resin-rich, softwoods and hardwoods 465

Resistance to chlorine dioxide oxidation 749

Resistant lignin fractions, partial kappa

Numbers 724

Resonance structures, chlorine dioxide 735

Resource Conservation and Recovery Act, US

Legislation 1195

Resource Recycling Facilitation Law, Japanese

Legislation 1198

retention time 702–703, 804

– ozone bleaching 802

– temperature, speed 1098

– two-stage delignification operating

Conditions 730

rheology, pulp-liquor systems 614–615

Ribonic acid, content in aldonic acid residues

Rice straw fibers, cell dimensions and

Chemical composition 4

Ring-conjugated structures, hydroxyl radical

Adducts 653

ring debarkers 77–80

Ring grinder, mechanical pulping 1088

Ring-porous hardwoods, Fraxinus excelsior 53