Technical Requirements to the Manuscript of the Paper

1. The paper is submitted to the Editorial Board via the Pleiades Publishing Portal (the text in Microsoft Word format and figures in Tiff format). The paper must contain its title, the surname, first name and patronymic (full) of all authors, as well as the academic degree and title, phone number, email address, name of the institution where the work was performed, and its postal address (including the postal code). Figures and tables should not be inserted to the text of the paper. Figures must be presented in two variants: black-and-white and colored. The electronic set of the paper includes the scanned Copyright Transfer Agreement for the publication of the paper.

2. The volume of the paper should not exceed 18 pages of A4 size including references, tables, and figures (not more than three). 

3. The paper set includes the body text of the paper (roughly consisting of the following sections: Introduction, Data and Methods, Results, Discussion, Conclusions); abstracts (not more than 12 lines); keywords; references (in the alphabetic order of the authors); tables (headings are typed with double spacing), graphics; the list of figure names and information about the authors.  

4. The manuscript should be typed clearly with double spacing (Times New Roman, size 12).  

5. Mathematical and chemical designations and formulas are typed keeping the size of upper- and lower-case letters. It is necessary to provide the decoding of all parameters used in the paper including subscripts and superscripts as well as all abbreviations. The uniformity of terms should be also maintained.

6. Figures are presented in Tiff format with a resolution of 650 dpi. The color space should correspond to the content of the figure: Bitmap if it contains only black and white dots; Grayscale if it includes halftones; CMYK or RGB if it is colored. The thickness of lines in figures should be at least 0.3 pt or 0.13 mm. The use of dotted filling in the vector graphics software is forbidden. The maximum size of the figure is 124 × 176 mm. All letterings in figures are basically provided in Times New Roman, size ≥9; the smaller size (≥7) is allowed for secondary letterings; hydrography is written in italicized Arial. It is advisable to use size 6–8 Arial for the isoline captions.

7. Three dates are given in the paper in case of its publication: the date of reception, the date when the Editorial Board received the revised version, and the date when the paper was accepted for publication (a request for revising the paper does not mean that it is accepted for press). The decision to publish the paper is made by the Editorial Board.  

8. The authors are not allowed to make significant corrections and additions to the layout against the original.  

9. The Editorial Board has the right to make necessary editorial corrections, additions, and abridgements.  

10. The Editorial Board does not enter into discussion with the authors.