1. A process for preparing a substance with an improved solubility in water, comprising coating the surface of particles of a poorly soluble substance microparticle calcium compound and at least one substance selected from pH regulator and surfactant, by the application of mechanical energy to obtain a compound with improved solubility in vode.2. A process for preparing a substance with an improved solubility in water according to Claim. 1, wherein the calcium compound is calcium carbonate or phosphate kaltsiya.3. A process for preparing a substance with an improved solubility in water according to claim. 2, wherein the calcium phosphate is hydroxyapatite or trikaltsiyfosfat.4. A process for preparing a substance with an improved solubility in water according to claim. 3, wherein using at least a surfactant, wherein the amount of the surfactant is from 1% to 300% by weight with respect to sparingly soluble veschestvu.5. A process for preparing a substance with an improved solubility in water according to any one of claims. 3 or 4, wherein the surfactant is a dodecyl natriya.6. A process for preparing a substance with an improved solubility in water according to Claim. 1 or 2, wherein at least 5% of the surface covered with particles of a poorly soluble substance microparticles kaltsiya.7 compound. A process for preparing a substance with an improved solubility in water according to claim. 6, wherein the surfactant is a dodecyl natriya.8. A process for preparing a substance with an improved solubility in water according to claim. 6, wherein the use of at least a surfactant, wherein the amount of surface used1. Способ получения вещества с улучшенной растворимостью в воде, включающий покрытие поверхности частицы слаборастворимого вещества микрочастицами соединения кальция и, по меньшей мере, одним веществом, выбранным из регулятора pH и поверхностно-активного вещества, посредством приложения механической энергии, чтобы получить вещество с улучшенной растворимостью в во
