Abstract: This article discusses methods that can be used to identify and determine the content of iron (III) ions in liquids.

Key words: The iron ions (III), determining the method of photometric method, gravimetric method.

Actual problems of modern science: Abstracts of XІІI International scientific-practical conference (Moscow - Astana - Kharkiv - Vienna, October 28, 2016)

Actual problems of modern science: Abstracts of XІІ International scientific-practical conference (St. Petersburg - Astana - Kyiv - Vienna, September 29, 2016)

Actual problems of modern science: Abstracts of XІІ International scientific-practical conference (St. Petersburg - Astana - Kyiv - Vienna, September 29, 2016)

Summary: In this paper phase states and phase transitions of nanoscale cellulose crystallites have been studied. It was found that conditions of the phase transitions of rod-like nanocrystallites are depended on their lateral size (Lcr). Small nanocrystallites have instable phase state; as a result they have tendency to co-crystallization with forming of larger crystallites having a low specific surface. After treatment in boiling water small nanocrystallites of CIII easily recrystallize into crystallites of CI, whereas for CIII having large crystallites this phase transition cannot be implemented. It is also found that after heating in glycerol at 533 K three crystalline allomorphs, CI, CII and CIII, can be transformed into CIV, when the lateral size of nanocrystallites Lcr ≤ 4.3 nm; whereas the larger crystallites of these allomorphs cannot be converted directly into CIV. Furthermore, small nanocrystallites of CI are more soluble, and their transformation into CII occurs at lower concentrations of mercerizing agents.

Key words: cellulose, nanocrystallites, allomorphs, phase transitions, thermodynamics.

Summary: Basic information and properties of zirconia ceramics, its field of application.

Key words: zirconium, ceramics, prosthetics, stomatology.

Аннотация. В статье приведены  технологически особенности выкормки восковой моли и его выращивание  на основе габробраконе.  

Показано эффективность использование электрохимической активированной воды в процессе разведение и размножение восковой моли.

Ключевые слова: хлопководства, биологический метод, габробракон, восковой моль, электрохимической активированной вода, гусеницы хлопковой совки, электролит, анолит, католит.

Abstract: A mathematical model of a continuous process of granule formation of humic-mineral composites with desired properties in a fluidized bed using a model of fuzzy sets using MatLab environment.

Keywords: Fluidization, granule, fertilizer, kinetics.

Аннотация: мақала бүгіндегі Жердің мұнай өнімдерімен ластануына арналған. Мақалада топырақтың құнарлы қабатының мұнаймен ластануы, оның салдары, биологиялық жолмен қайта рекультивациялау жолдары, биосурфактанттардың әсері жайлы баяндалған.

Ключевые слова: мұнаймен ластану, биосурфактанттар, көмірсутектер, биоыдырағыштық. 

Summary: The paper presents the mathematical model of the process contact membrane distillation. The proposed simplified mathematical model of СMD , which takes into account the change in the temperature of the solution and the distillate channel along the membrane and the membrane module height . As well as describing the change in temperature of steam flow in the pores of the membrane. An algorithm for calculating mathematical model of contact membrane distillation.

Keywords: mathematical model, contact membrane distillation, heat transfer, mass transfer, distillate channel.

Аннотация. Представлены результаты изучения кислотного разложения аргиллитов и хлорирования сиаллитов. Изучены физико-химические свойства исходных руд и найдены оптимальные условия  их взаимодействия серной кислотой и хлором. Разработаны соответствующие принципиальные технологические схемы и указаны   пути получения оксида алюминия из солей алюминия.

Ключевые слова: кислотное выщелачивание – хлорирование - порода аргиллита - соли алюминия и железа. 

Summary: The results of researches of adsorption waste paperboards production of resorcinol on the surface of the particles of CaCO₃, Al₂O₃, SiO₂ are represented. Adsorption parameters of measured particle are calculated. The proposed mechanism of action of plastificated modifier are considered.

Key words: adsorption, adsorption parameters, mineral suspensions.