1. A single absorbent structure comprising an absorbent core (5) and / or an absorption layer (2) and a distribution (3), said absorbent core (5) and / or an absorption layer (2) and a distribution (3), contains at least at least one layer of non-woven fibrous substrate (23) having a pore volume suitable for penetration of superabsorbent particles, characterized in that said superabsorbent particles are distributed in the layer of the substrate (23) in accordance with their particle size distribution gradient in the depth direction or z- directions ab sorbent core (5) and / or layers of absorption (2) and distribution (3) .2. An absorbent structure according to claim 1, characterized in that said absorbent structure does not contain fluff. The absorbent structure according to claim 1 or 2, characterized in that the size distribution of the superabsorbent particles is in the range from about 45 to about 850 microns, preferably from about 100 to 800 microns. An absorbent structure according to claim 1 or 2, characterized in that said substrate layer (23) has a pore volume in the range from about 0.1 to 20,000 cm / m of the surface of the substrate (23), preferably from about 10 to 6,000 cm / m of the surface of the substrate ( 23) .5. An absorbent structure according to claim 1 or 2, characterized in that said substrate layer (23) is a multilayer substrate (23) .6. An absorbent structure according to claim 5, characterized in that said substrate layer (23) includes absorption (14) and distribution (16) layers. 7. An absorbent structure according to claim 6, characterized in that said substrate layer (23) is three-layer, containing upper layers of absorption (14) and distribution (16) and an intermediate layer, said intermediate layer has a pore volume in the range from about 10 to about 600 cm with substrates (23) and1. Единая абсорбирующая структура, содержащая абсорбирующую сердцевину (5) и/или слой поглощения (2) и распределения (3), указанная абсорбирующая сердцев
