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Materials and Methods In order to assess how the application of fertilizer at the time of planting affects the growth of young pines and spruces and their physiology, then in 2020 on June 4, seedlings with fertilizer (FP – fertilized plots) and without (CP – control plots) were planted near each other in eight areas of the Latvian state forest areas where the soil was prepared in raised areas (mounds) and in seven areas where the soil was prepared in furrows.
Certified reference materials USGS-40 and USGS-41 (L-Glutamic acid) were used.
Journal of Plant Physiology. (2002), 159(6)
Journal: Forests. (2016)
Rīga: ‘Zinātne’ (1981) [9] QI, H., Coplen, T.B., Geilmann, H., Brand, W.A., Bohlke, J.K., Two new organic reference materials for δ13C and δ15N measurements and a new value for the δ13C of NBS 22 oil, Rapid Commun.

Preliminary risk assessment in it projects // Applied Mechanics and Materials. – 2013 – Vol. 379. – p. 220-223
Assessing efficiency of cloud-based services by the method of linear programming // Applied Mechanics and Materials. – 2013 – Vol. 379. – p. 235-239
Analysis application methods Octave, RiskWatch, Cramm for risk assessment for IT cloud services // Modern problems of science and education. – 2014, available at: http://www.science-education.ru/115-12197
[5] Latifa Ben Arfa Rabaia, Mouna Jouinia, Anis Ben Aissab, Ali Mili A cybersecurity model in cloud computing environments // Journal of King Saud University - Computer and Information Sciences. – 2013 – Vol. 25, Issue 1. – p. 63-75
Fuzzy swot analysis for selection of bankruptcy risk factors // Applied Mechanics and Materials. – 2013 – Vol. 379. – p. 207-213

MOOC: Challenges and Opportunities of Higher Education ZHE YAO Computer Science, University of Nottingham, UK zheyao.marissa@gmail.com Keywords: MOOC, Higher education, Completion rate Abstract.
In many cases, the video lectures are presented in the form of tablet recording, and the worst approach is to teach learners by showing and reading materials page by page.
Learning Resource Learning resources consist of textbooks and additional materials including web pages, journals and other books relevant to this course.
It should be stressed here that the quantity of additional materials in each lesson is no more than five as too much resources may eventually lead to the lost of enthusiasm.
In Proceedings of the 45th ACM technical symposium on Computer science education ACM (2014), pp. 677-682 [9] Information on http://en.wikipedia.org/wiki/Massive_open_online_course [10] L.

Ti-2003 Science and Technology.
Ti-2003 Science and Technology.
Journal of Materials Engineering and Performance. 14 (2005) 722-727
Materials Science and Engineering: A. 333 (2002) 85-91
Rare Metal Materials and Engineering. 35 (2006) 707-710

Therefore, PLGA should be used with other materials, such as ceramics, to buffer pH.
Materials & Methods Reagents PLGA (lactic acid:glycolic acid ratio 75:25; molecular weight 15,000–30,000 Da), sodium alginate (viscosity 300-400 cp), sodium deoxycholate and all organic solvents (dichloromethane (DCM), acetonitrile; analytical grade) were purchased from Wako Pure Chemical Industries (Osaka, Japan).
Science, 286 (1999) 1946-1949
Biomedical Materials Res.
Drug Delivery Science and Technology, 37 (2017) 74-80

Material and Method Test Materials.
The Mytilaria laosensis and Castanopsis hystrix were provided by DaQingShan testing-center of China forestry science and technology institute, with the same climate and other growing conditions.
References [1] Liang Xu: Tropical Forestry Science and Technology.
(In Chinese) [4] Bustos Cecilia, Hernández Roger E and Fortin Yves: Forest Products Journal.
(In Chinese) [6] Jinghui Jiang, Jianxiong Lv: Forestry Science.

Cross-linked alternately copolymerized electrolyte poly (styrene-a-maleic ester) synthesized through solvent-free strategy Guangxing Lia, Shichao Zhangb, Wenbo Liu, Xin Wei School of Materials Science and Engineering, Beihang University, Beijing, China asd_liguangxing@163.com, bcsc@buaa.edu.cn Keywords: Solid polymer electrolyte, Alternating copolymerization, Solvent-free, Cross-linking, UV curing.
Experimental Materials.Methoxypolyethylene glycol (MPEG-450, Jiangsu Haian; MPEG-400, Beijing Ouhe) and polyethylene glycol (PEG-400, Guangdong Guanghua) were processed by 4A molecular sieves for 24 h.
Acknowledgements This work was supported by the National Basic Research program of China (973 Program, 2013CB934001), the National Natural Science Foundation of China (51274017, 51074011), the National 863 Program of China (2011AA11A257, 2008AA03Z208), and the Shanghai Aerospace Science and Technology Innovation Fund Project (SAST201269).
Kim: Chemistry of materials Vol. 22 (2009), p. 587-603 [4] P.V.
Wright: British Polymer Journal Vol. 7 (1975), p. 319-327 [5] F.

The soil, loose material, and organic fertilizers should be broken, sieved, and mixed thoroughly.
Acknowledgements This research work was financially supported by Hainan Provincial Natural Science Foundation of China (312025), National Nonprofit Institute Research Grant of CATAS-TCGRI (1630032012007; PZS064).
Wang: Science & Technology Information (2010), p. 142
Gao: Science and Technology Innovation Herald (2011), p. 141-142
Wang: Journal of Anhui Agri Sci Vol. 38 (2010), p. 4999-5001

Hardness in the nugget zones of all welds was lower than that of base material.
Materials and Methods The material used in this study was AA2014-T6 in the form of 5mm thick sheets.
Thus the material is not fully plasticized and gets solidified before filling the gap behind the advancing tool.
Kou, Partially melted Aluminium welds liquation mechanisms and directional solidification, Welding Journal. 79 (2000) 113-120
[17] ASTM E 8M-04 - Standard Test Methods for Tension Testing of Metallic Materials, ASTM International (2004)

Phuc, Research and simulation of the deformation process of dispersion-hardened powder in a capsule, Materials Physics and Mechanics. 25(1) (2016) 68-76
Cherdyntsev, Development and research of radio and radiation shielding materials, Nuclear physics and engineering. 6 (2013) 597–604
Xiangfa, Grain refining potency of LaB6 on aluminum alloy, Journal of rare earths.
Polzik, Morphology Characterization and Optical Properties Analysis for Nanostructured Lanthanum Hexaboride Powders, Advanced Materials Research. (2009) 79-82-107-110
Ganin, Study of Compaction and Deformation of a Powder Composite Material of the ‘Aluminum–Rare Earth Elements’ System, Metal Science and Heat Treatment. 56 (2015) 9-10