5 articles for “Parent Materials”

Research ArticleOpen accessIn the keywordsSoil Formation by Ecological Factors: Critical ReviewSaeed Zeraat Kar, Aydin BerenjianRegolith is the term we give parent material that has been weathered. The regolith consists of weathered bedrock near the surface including the soil layer. In the Iranian soil layer we will find: decayed parent materials, decaying plant material, decaying animal matter (manure) along with vegetation. Results of the present study show us that methods stimulating natural fertility in Iran … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 2 · 2 Apr 2013 · 7,663 accessesView PDF Cite

Research ArticleOpen accessIn the abstractPollution Characteristics and Sources Analysis of Soil Heavy Metal in Taoyuan Coal Mine of Suzhou CityHaimin SuSoil is one of the most important resources and an important part of ecosystem in the development of human survival. The purposes of this study are to investigate concentration characteristics and sources analysis of heavy metals in Taoyuan coal mine of Suzhou City. 30 soil samples were collected and characterized for metal concentration (Cd, Cr, Cu, Pb, Zn and As), … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 1 · 29 Jan 2022 · 5,914 accessesView PDF Cite

Research ArticleOpen accessIn the abstractPhysiological and Molecular-Genetic Evaluation of Rice Breeding Resources on Cold Tolerance for Creating New Varieties for the Northern Zone of Rice CultivationYeldos Almabekovich Zhanbyrbayev, Aiman Bokenovna Rysbekova, Bakdaulet Naubaevich Usenbekov et al.This study was aimed at assessing cold tolerance of rice breeding materials produced in Kazakhstan and foreign countries in the phase of seed germination, creating initial cold-tolerant forms and lines to derive Kazakhstan varieties of rice and identifying in the selection material the genes of the quantitative loci of cold tolerance (qPSST-3, qPSST-7 and qPSST-9), based on the molecular-genetic approach. … …OnLine Journal of Biological Sciences, Vol. 17, Issue 3 · 23 Sep 2017 · 7,416 accessesView PDF Cite

Research ArticleOpen accessIn the abstractRutting and Fatigue Cracking Susceptibility of Polystyrene Modified AsphaltNazim Mohamed, Demitri Ramlochan, Rean MaharajThe absence of studies investigating the influence of waste Polystyrene (PS) on the performance characteristics of rutting resistance and fatigue cracking resistance of the indigenous asphaltic materials Trinidad Lake Asphalt (TLA) and Trinidad Petroleum Bitumen (TPB), has hindered the possible use of PS as a performance enhancer as observed with other asphalts from different sources thus also developing a sustainable … …American Journal of Applied Sciences, Vol. 14, Issue 5 · 1 Jun 2017 · 7,666 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordPrevalence Study of Etiologies of Developmental Defects of Enamel of First Permanent Molar among Six to Seven Years Old ChildrenF. Farrokh Gisoo, A. MohseniProblem statement: The final product of amelogensis which generates in three subsequent phases is dental enamel. These Phases are divided into: excretory, calcification and maturation stage of enamel. While these specific complex events, are affected by specific agents, the act of amelogenic cells will be disturbed and hence the results of this process is improper and imperfect enamel production which … …Current Research in Dentistry, Vol. 1, Issue 2 · 16 Jul 2011 · 7,620 accessesView PDF Cite