1,643 research outputs found
The sorption ability of humic acids of black alder fen peat on montmorillonite containing clays in the presence of heavy metal ions
It is determinate that the adsorption of humic acids by the different forms of montmorillonite increases with a decrease in pH. Maximum adsorption of humic acids is observed in the presence of zinc ions, which is associated with the formation of chelate complexes of humic acids with zinc ions. Organic mineral systems based on humic acids of black alder fen peat and aluminum montmorillonite form observe maximum adsorption of lead and zinc ions, which is associated with an increase in their specific surface and adsorption capacity, due to the formation of a layered-columnar structure and slit-shaped micropores
Isoperiodic deformations of the acoustic operator and periodic solutions of the Harry Dym equation
We consider the problem of describing the possible spectra of an acoustic
operator with a periodic finite-gap density. We construct flows on the moduli
space of algebraic Riemann surfaces that preserve the periods of the
corresponding operator. By a suitable extension of the phase space, these
equations can be written with quadratic irrationalities.Comment: 15 page
Concerning the networking interaction experience of teachers and students of Pedagogical University
The purpose of the research is to identify the possibilities for the formation knowledge and practical skills related to the use of the professional activity of software and network resource of teaching communities in the pedagogical sphere.Methods. The methods involve the analysis of the literary sources, regulatory documents, Internet resources within the researched problem; an analysis of the practical experience of teachers of secondary schools, work of high school teachers and establishment of training teachers on the research problem; the experimental work and monitoring the learning process. Results. The process of teachersβ training inYaroslavl, in particular preparation of students-biologists at the Yaroslavl State Pedagogical Universityis reflected. Activity of network pedagogical community of Yaroslavl is considered as a platform for network interaction; the analysis of such platform, use of its resources, and also conversations with subject teachers and students have shown that the given electronic and communication resources cause a great interest for practicing teachers and future experts, however, they not always possess necessary knowledge and abilities concerning its operation. Scientific novelty. The author describes in detail the process of forming a competence of networking of professional interaction in terms of its methodological support that is relevant to the educational process, both in the high school, and post-graduate education. Practical significance. The research implementations can be useful while developing specific guidelines to explain the content and methodology of the training network of professional interaction with examples of practicing teachers and students of Pedagogical Universityβ future teachers of biology. The article is addressed to researchers, dealing with networking, specialists of teaching service centers (institutions) of educational development, the practicing subject teachers and teachers of high schoolΒ Π¦Π΅Π»Ρ ΠΈΠ·Π»ΠΎΠΆΠ΅Π½Π½ΠΎΠ³ΠΎ Π² ΡΡΠ°ΡΡΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ β Π²ΡΡΠ²ΠΈΡΡ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΡ Ρ Π΄Π΅ΠΉΡΡΠ²ΡΡΡΠΈΡ
ΠΏΡΠ΅ΠΏΠΎΠ΄Π°Π²Π°ΡΠ΅Π»Π΅ΠΉ ΠΈ ΡΡΡΠ΄Π΅Π½ΡΠΎΠ² ΠΏΠ΅Π΄Π°Π³ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
Π²ΡΠ·ΠΎΠ² Π·Π½Π°Π½ΠΈΠΉ ΠΈ ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠΌΠ΅Π½ΠΈΠΉ, ΡΠ²ΡΠ·Π°Π½Π½ΡΡ
Ρ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ Π² ΠΏΡΠΎΡΠ΅ΡΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΠΉ Π΄Π΅ΡΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΠ½ΡΡ
ΡΡΠ΅Π΄ΡΡΠ² ΠΈ ΡΠ΅ΡΡΡΡΠΎΠ² ΡΠ΅ΡΠ΅Π²ΡΡ
ΠΏΠ΅Π΄Π°Π³ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠΎΠΎΠ±ΡΠ΅ΡΡΠ². ΠΠ΅ΡΠΎΠ΄Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ: Π°Π½Π°Π»ΠΈΠ· Π»ΠΈΡΠ΅ΡΠ°ΡΡΡΠ½ΡΡ
ΠΈΡΡΠΎΡΠ½ΠΈΠΊΠΎΠ², ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ Π½ΠΎΡΠΌΠ°ΡΠΈΠ²Π½ΡΡ
Π΄ΠΎΠΊΡΠΌΠ΅Π½ΡΠΎΠ² ΠΈ Π½Π°ΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΠΈΠ½ΡΠ΅ΡΠ½Π΅Ρ-ΡΠ΅ΡΡΡΡΠΎΠ²; ΠΎΠ±ΠΎΠ±ΡΠ΅Π½ΠΈΠ΅ ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΎΠΏΡΡΠ° ΡΡΠΈΡΠ΅Π»Π΅ΠΉ ΠΎΠ±ΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΡΡ
ΡΠΊΠΎΠ», ΠΏΠ΅Π΄Π°Π³ΠΎΠ³ΠΎΠ² Π²ΡΡΡΠ΅ΠΉ ΡΠΊΠΎΠ»Ρ, ΡΠΎΡΡΡΠ΄Π½ΠΈΠΊΠΎΠ² ΡΡΡΠ΅ΠΆΠ΄Π΅Π½ΠΈΠΉ ΠΏΠΎΠ²ΡΡΠ΅Π½ΠΈΡ ΠΊΠ²Π°Π»ΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΠΏΠ΅Π΄Π°Π³ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ°Π±ΠΎΡΠ½ΠΈΠΊΠΎΠ²; ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΠΎ-ΠΎΠΏΡΡΠ½Π°Ρ ΡΠ°Π±ΠΎΡΠ°; Π½Π°Π±Π»ΡΠ΄Π΅Π½ΠΈΠ΅ ΡΡΠ΅Π±Π½ΠΎΠ³ΠΎ ΠΏΡΠΎΡΠ΅ΡΡΠ°. Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. ΠΡΡΠ΅ΡΠ»Π΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ ΠΏΡΠΎΡΠ΅ΡΡ ΠΎΠ±ΡΡΠ΅Π½ΠΈΡ ΠΏΠ΅Π΄Π°Π³ΠΎΠ³ΠΎΠ² Π² Π³. Π―ΡΠΎΡΠ»Π°Π²Π»Π΅, Π² ΡΠ°ΡΡΠ½ΠΎΡΡΠΈ ΠΏΠΎΠ΄Π³ΠΎΡΠΎΠ²ΠΊΠ° ΡΡΡΠ΄Π΅Π½ΡΠΎΠ²-Π±ΠΈΠΎΠ»ΠΎΠ³ΠΎΠ² Π² Π―ΡΠΎΡΠ»Π°Π²ΡΠΊΠΎΠΌ Π³ΠΎΡΡΠ΄Π°ΡΡΡΠ²Π΅Π½Π½ΠΎΠΌ ΠΏΠ΅Π΄Π°Π³ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠΌ ΡΠ½ΠΈΠ²Π΅ΡΡΠΈΡΠ΅ΡΠ΅. Π ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΠΏΠ»ΠΎΡΠ°Π΄ΠΊΠΈ Π΄Π»Ρ ΡΠ΅ΡΠ΅Π²ΠΎΠ³ΠΎ Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΡ ΡΠ°ΡΡΠΌΠΎΡΡΠ΅Π½Π° Π΄Π΅ΡΡΠ΅Π»ΡΠ½ΠΎΡΡΡ ΡΠ΅ΡΠ΅Π²ΠΎΠ³ΠΎ ΠΏΠ΅Π΄Π°Π³ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΎΠΎΠ±ΡΠ΅ΡΡΠ²Π° Π―ΡΠΎΡΠ»Π°Π²Π»Ρ, Π°Π½Π°Π»ΠΈΠ· ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΡ ΡΠ΅ΡΡΡΡΠΎΠ² ΠΊΠΎΡΠΎΡΠΎΠ³ΠΎ, Π° ΡΠ°ΠΊΠΆΠ΅ Π±Π΅ΡΠ΅Π΄Ρ Ρ ΡΡΠΈΡΠ΅Π»ΡΠΌΠΈ-ΠΏΡΠ΅Π΄ΠΌΠ΅ΡΠ½ΠΈΠΊΠ°ΠΌΠΈ ΠΈ ΡΡΡΠ΄Π΅Π½ΡΠ°ΠΌΠΈ ΠΏΠΎΠΊΠ°Π·Π°Π»ΠΈ, ΡΡΠΎ Π΄Π°Π½Π½ΡΠ΅ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠΊΠΎΠΌΠΌΡΠ½ΠΈΠΊΠ°ΡΠΈΠΎΠ½Π½ΡΠ΅ ΡΠ΅ΡΡΡΡΡ Π²ΡΠ·ΡΠ²Π°ΡΡ Π±ΠΎΠ»ΡΡΠΎΠΉ ΠΈΠ½ΡΠ΅ΡΠ΅Ρ Ρ ΠΏΡΠ°ΠΊΡΠΈΠΊΡΡΡΠΈΡ
ΠΈ Π±ΡΠ΄ΡΡΠΈΡ
ΡΠΏΠ΅ΡΠΈΠ°Π»ΠΈΡΡΠΎΠ², ΠΎΠ΄Π½Π°ΠΊΠΎ ΠΎΠ½ΠΈ Π½Π΅ Π²ΡΠ΅Π³Π΄Π° ΠΎΠ±Π»Π°Π΄Π°ΡΡ Π½Π΅ΠΎΠ±Ρ
ΠΎΠ΄ΠΈΠΌΡΠΌΠΈ Π·Π½Π°Π½ΠΈΡΠΌΠΈ ΠΈ ΡΠΌΠ΅Π½ΠΈΡΠΌΠΈ ΠΎΡΠ½ΠΎΡΠΈΡΠ΅Π»ΡΠ½ΠΎ ΠΈΡ
ΡΠΊΡΠΏΠ»ΡΠ°ΡΠ°ΡΠΈΠΈ. ΠΠ°ΡΡΠ½Π°Ρ Π½ΠΎΠ²ΠΈΠ·Π½Π°. ΠΠΎΠ΄ΡΠΎΠ±Π½ΠΎ ΠΎΠΏΠΈΡΠ°Π½ ΠΏΡΠΎΡΠ΅ΡΡ ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΊΠΎΠΌΠΏΠ΅ΡΠ΅Π½ΡΠΈΠΈ ΡΠ΅ΡΠ΅Π²ΠΎΠ³ΠΎ ΠΏΡΠΎΡΠ΅ΡΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΡ Ρ ΠΏΠΎΠ·ΠΈΡΠΈΠΉ Π΅Π³ΠΎ ΠΌΠ΅ΡΠΎΠ΄ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΎΠΏΡΠΎΠ²ΠΎΠΆΠ΄Π΅Π½ΠΈΡ, ΡΡΠΎ Π²Π΅ΡΡΠΌΠ° Π°ΠΊΡΡΠ°Π»ΡΠ½ΠΎ Π΄Π»Ρ ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΠΎΠ³ΠΎ ΠΏΡΠΎΡΠ΅ΡΡΠ° ΠΊΠ°ΠΊ Π²ΡΡΡΠ΅ΠΉ ΡΠΊΠΎΠ»Ρ, ΡΠ°ΠΊ ΠΈ ΠΏΠΎΡΠ»Π΅Π΄ΠΈΠΏΠ»ΠΎΠΌΠ½ΠΎΠ³ΠΎ ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½ΠΈΡ. ΠΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠ°Ρ Π·Π½Π°ΡΠΈΠΌΠΎΡΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π·Π°ΠΊΠ»ΡΡΠ°ΡΡΡΡ Π² ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠ΅ ΠΊΠΎΠ½ΠΊΡΠ΅ΡΠ½ΡΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°ΡΠΈΠΉ, ΡΠ°ΡΠΊΡΡΠ²Π°ΡΡΠΈΡ
ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠ΅ ΠΎΠ±ΡΡΠ΅Π½ΠΈΡ ΡΠ΅ΡΠ΅Π²ΠΎΠΌΡ ΠΏΡΠΎΡΠ΅ΡΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΠΌΡ Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΡ ΡΡΠΈΡΠ΅Π»Π΅ΠΉ-ΠΏΡΠ΅Π΄ΠΌΠ΅ΡΠ½ΠΈΠΊΠΎΠ² ΠΈ ΡΡΡΠ΄Π΅Π½ΡΠΎΠ² ΠΏΠ΅Π΄Π°Π³ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π²ΡΠ·Π°. Π‘ΡΠ°ΡΡΡ Π°Π΄ΡΠ΅ΡΠΎΠ²Π°Π½Π° ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΠΌ, Π·Π°Π½ΠΈΠΌΠ°ΡΡΠΈΠΌΡΡ ΠΏΡΠΎΠ±Π»Π΅ΠΌΠΎΠΉ ΡΠ΅ΡΠ΅Π²ΠΎΠ³ΠΎ Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΡ, ΡΠΏΠ΅ΡΠΈΠ°Π»ΠΈΡΡΠ°ΠΌ ΠΌΠ΅ΡΠΎΠ΄ΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ»ΡΠΆΠ± ΡΠ΅Π½ΡΡΠΎΠ² (ΠΈΠ½ΡΡΠΈΡΡΡΠΎΠ²) ΡΠ°Π·Π²ΠΈΡΠΈΡ ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½ΠΈΡ, Π° ΡΠ°ΠΊΠΆΠ΅ ΡΠΊΠΎΠ»ΡΠ½ΡΠΌ ΡΡΠΈΡΠ΅Π»ΡΠΌ ΠΈ ΠΏΠ΅Π΄Π°Π³ΠΎΠ³Π°ΠΌ Π²ΡΡΡΠ΅ΠΉ ΡΠΊΠΎΠ»Ρ
Utilization of hexadecane by biocomposition based on humic acids of peats and oil-degrading microorganisms of the genus Rhodococcus in aqueous media
The concentration of humic acids of peats from the Tula region, equal to 50 mg/l, linking the maximum amount of hexadecane as a model object of the light fraction of oil was revealed. The dependence of the utilizing ability of oil-degrading microorganisms Rhodococcus erythropolis S67 and Rhodococcus erythropolis X5 was studied. It is established that the microorganisms of this strain are the most capable of utilizing hexadecane in a solution of not more than 5% by volume. Humic acids of reed fen peat and sphagnum high-moor peat are capable of binding up to 50% of hexadecane with its content in a solution of 2% by volume. The maximum binding of the model alkane was demonstrated by a biocomposition consisting of humic acids of reed fen peat at 50 mg/l and microorganisms of Rhodococcus erythropolis S67. This biocomposition is capable for utilizing up to 95% of hexadecane with its content in the solution of 2% by volume and up to 35% at 20% vol, which serves as the basis for creating on its basis an effective chemical and biological sorbent for cleaning soil and water environments from oil pollution
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Electron-transfer initiated nucleophilic substitution of thiophenolate anion by 1-chloro-substituted 4-(thiazol-2-ylazo)naphthalenes
In this work, the electrochemical transformation of 5-chloro-2-[(4-chloronaphthalen-1-yl)azo]thiazoles (A) into the corresponding radical anion AΒ·β and its subsequent reaction with diphenyldisulfide (PhSSPh) was studied. It was found that the primarily generated azo anion radical AΒ·β is able to initiate an electron transfer process which converts the disulfide into its thiolate anion PhSβ. This anion was subsequently able to substitute the Cl- and H-groups by phenylmercapto moieties in the starting azo compound A. The structures of the phenylmercapto-substituted azo compounds thus generated were confirmed by thin-layer chromatography and mass spectrometry using independently prepared compounds as references
Features of digital writing as a language activity in the context of modern online communication
The article focuses on digital writing, which intrudes on the domain of βliveβ interaction, largely replacing it and manifestating its specific language features. Modern online communication depends on many factors: the accessibility of the media platforms; forms of written online communication (official / unofficial); type of communication. Everyday digital written communication based on Internet channels leads to the fact that not only the conditions of written speech production are changed, but also the perception of the written text, namely, both writing and reading skills alter. With the advent of novel means of interaction such as the Internet, there has been a lot of research and widespread discussion of how digital media influence the change in the written form of communication. The article summarises the features observed on lexical, syntactic, punctuation and graphic levels
BI TOOLS TO SUPPORT DECISION-MAKING FOR LEADERS OF HIGHER AND MEDIUM LEVELS WITH SAS SOLUTION (EXPERIENCE VTB24)
The article introduces the project of implementing a class BI system from SAS - SAS Visual Analytics to the financial department of VTB24 with the aim to show how banks solve the problem of improving information and analytical decision support. The role of business intelligence systems in the decision-making process is described, the bank's problems in building the data warehouse and decision-making are revealed, the architecture of the initial and target solution is described, the bank's needs are studied, the bank's requirements for automated reports are formed, and reports are built
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