Antagonistic properties of actinomycetes isolated from eryngium rizosphere samples

ІRSTІ 62.09.39, 34.45.05                                                                    №3 (2019г.) Hasenova A.Kh., Akylova M.A., Sultanova A.Zh., Masirbaeva A. The article lays out the quantitative and qualitative composition of the microbiocenoses in rhizosphere of the medicinal plant fever-weed (Eryngium). 78 actinomycete isolates were isolated in pure culture, their antagonistic properties against laboratory strains of Bacillus subtilis ATCC 6633 and Comamonas terrigena…

Research of the limit thermal stresses for porous coatings of energy elements

ІRSTІ 44.31.31                                                                                       №3 (2019г.) Genbach А.А., Bondartsev D.Yu., Iliev I.K.   Modeling of low-porous capillary-porous coatings with poor thermal conductivity and metal (copper, stainless steel) surfaces (substrate) is studied. Dynamics of steam bubbles and their thermohydraulic characteristics observed by optical methods of research are described. “Birth” and “death” of steam bubbles proceeded explosively in the…

Research of the process of deep water treatment from suspended solid particles for formation pressure maintenance system at the oil fields

ІRSTІ 52. 47. 27                                                                                      №3 (2019г.) Abdeli D.Zh., Bae Wisup, Seiden А.B. The article sets out the comprehensive study of the problem associated with the deterioration of the permeability of near-wellbore zone and a decrease in the injectivity of water injection wells due to the clogging of the pores and channels of the reservoir with…

Numerical solution of one system of Fredgolm’s integrated equations of the third kind in the problem of support pressure near clearing production

ІRSTІ 52.01.77                                                                                         №3 (2019г.) Adilbek N.A., Shayihova G.S.,Zhurov V.V.,Shegebayeva G.E.   The problem of stresses and displacements of an oblique-layered massif near a mine working, which is located entirely in one of the rock layers, is considered when the mine is tested by the effects of cleaning works in a coal seam. This effect is…

Technological assessment of titanium and chromium raw processing from the position of thermodynamicdiagram system analysis based on titanium oxides

ІRSTІ 53.31.21                                                                                        №3 (2019г.) Nurgali N.Z., Almagambetov М.S., Baisanov А.S., Zhumagaliyev, Ye.U., Kelamanov B.S.   The paper presents the results of a thermodynamic diagram study of oxide smelting products from the processing of chromite and titanium raw materials in order to determine their most technologically advanced compositions, allowing for rational use of raw materials and…

Designing of a new radial-shear mill By analyzing the design decisions of existing mills

ІRSTІ 53.01.77                                                                                        №3 (2019г.) Mashekov S.A., Tusupkalieva E.A., Nurakhmetova K.K., Nurtazaev A.E., Nugman E., Sembaev N.S., Tukibay A.A., Bekbosynova B.A.   A radial-shear mill combined with pressing has been proposed. The analysis of the design of the existing three-roll screw or radial-shear mills used for the manufacture of seamless tubes and bars from metals and…

Study of the process of processing of cylindrical tooth-wheels by ringing tool

ІRSTІ 55.19.13                                                                                       №3 (2019г.) Mardonov B.T., Sherov K.T., Buzauova TM, Musaev M.M, Tattimbek G., Alzhanova A.G.   A study of the state of production of gears showed that there is a problem of ensuring the accuracy and quality of cogs processing in finishing operations. To solve this problem, a method of finishing the teeth of…

More efficient use of grain drills sz-3,6 by improving disc coulters

ІRSTІ 55.57.33                                                                                       №3 (2019г.) Sarsenov А.Е., Kubasheva Zh.К. The authors are the factors determining the increase in grain yields. Seeding technology during sowing determines the germination energy. The goal was to increase the yield of crops by improving the design of double disc coulters. The analysis of existing double disc coulters to identify strengths and…

The assessment of mixture homogeneity of bulk materials

ІRSTІ 67.09.05, 28.23.15                                                                      №3 (2019г.) Arslanov M.Z., Zeinullin A.A., Korobova E.V., Mustafin S.A. A method for estimating the homogeneity of a mixture of bulk materials has been proposed. The method is based on the computer processing of photos samples of a of bulk materials mixture and the separation of the mixture components’ consideration zone by…

Development of ceramic composition structures for obtaining ceramdor

ІRSTІ 67.09.43                                                                                       №3 (2019г.) Мontaev S.А., Shinguzhiyeva А.B., Мontaevа N.S., Dosov K.Zh. The article discusses the development of ceramic compositions based on loess-loam of West Kazakhstan using domain-granulated slag from the Karaganda Metallurgical Plant JSC Alselor Mittal Temirtau (Temirtau) to produce ceramic material that can be used in place of natural rubble. Reviewed scientific works…