نتایج جستجو برای: perlit and soil

تعداد نتایج: 16864146  

Mohamad Chizari Mosayeb Baghaie,

  The main purpose of this research is review of principles, concepts, problems and solutions of soil ethic. In this research by descriptive method and Delphi technique was used for identifying soil ethical concepts, soil ethical principles, problems and difficulties of soil ethics in Iran and al around the world and suggestions for improvement of soil ethics in Iran. The population of this re...

امیری, حمزه, مؤذنی, لیلا,

In order to study the interaction effects of salinity and ascorbic acid on the photosynthetic pigments, soluble sugar, proline, and protein in Satureja khuzestanica plant, factorial experiment was conducted in a completely randomized design (salinity in 4 levels 0, 40, 80 and 120g in 100kg soil and ascorbic acid in 2 levels 0 and 2 mM ) with 6 replicates. The results showed that salt stress red...

Journal: :Bhm Berg- Und Hüttenmännische Monatshefte 2023

Zusammenfassung Ein eiserner Doppelspitzschlägel aus dem Umfeld der römischen Siedlung am Michlhallberg (Steiermark) wurde untersucht, im Kontext mit einem möglichen Salzabbau an Südseite des Sandlings bei Altaussee steht. Das Eisen für den einer Rennfeuerluppe hergestellt. Durch diese Art Eisengewinnung ist eine Weiterverarbeitung durch Schmieden notwendig. So findet man Schlägel sowohl Schlac...

Ahmad Jalalian Fatemeh Madadian Chaleshtory, Naser Honarjoo

Objective: Soil organic carbon has been the most important soil quality measurement factors and has intense relation with soil physical, chemical and biological characteristics. Organic matter and its components are important factors of soil aggregates constitution and stability and play significant role in its structure. So, this research has been done for achieving this purpose. Methods: This...

Journal: :Turkish journal of agricultural engineering research 2021

Bu çalışmada, sulama suyu pH’sının asma anaçlarında kök ve sürgün gelişimi üzerine etkileri incelenmiştir. Kober 5 BB 41 B anaçlarına ait çelikler perlit içeren plastik potlara dikilerek, 6 farklı pH değerine sahip (5.5, 6.0, 6.5, 7.0, 7.5 8.0) çözeltisi ile sulanmışlardır. 90 günlük yetiştirme periyodunun sonucunda, anaçlara özellikleri incelenmiş en yüksek köklenme oranının nötr nötre yakın d...

Extended abstract   1- INTRODUCTION   Soil erosion is one of the most destructive processes of arid and semi-arid areas, which leads to desertification in a large area of the region. In windy areas, the wind in the region increases the probability of wind erosion. Soil moisture and soil temperature are the two effective factors in soil erosion control. Vegetation is also one of the effectiv...

Journal: :معماری و شهرسازی آرمان شهر 0
seyed moslem seyedalhosseini assistant professor, department of urban planning and urban design, mashhad branch, islamic azad university, mashhad, iran.

during the recent decades, urban management in iran has increasingly confronted numerous challenges due to different kinds of social, cultural, political, executive, financial, and legal factors. the present study is going to specify and analyze the aforementioned challenges in the domain of the urban environment in order to determine how far they have been effective, how they have been priorit...

Journal: :international journal of geo science and environmental planning 0
seyed amirodin sadrnejhad prof, civil engineering dept., k.n.toosi university of technology, teheran, iran mir sina mousavi aghdam msc,khak energy pars., geotechnical consultant co, teheran, iran mahsa memarianfard phd civil engineering dept., k.n.toosi university of technology, teheran, iran zahra sharif tehrani msc student.faculty of art and architecture. kashan university, kashan, iran

an investigation on the thermal performance of the soil as geothermal heat energy storage medium has been conducted. the thermal characteristics of the soil storage and the heat transfer from a heat exchanger in the soil, surrounding and bottom surface will be discussed. this investigation forms a contribution to a project to realize such storage to be charged from a solar heating system. this ...

Journal: :journal of rangeland science 2011
r. talaei a. jafari ardakani f. azimi r. bayat m. parehkar

one of the main resonator factors in watershed soil erosion is inappropriateland management including conversion of pasture land to dry-land farming.unfortunately, the changes of gara su watershed usages have been very common.thus, in order to understand the influence of land use on runoff rate and soil loss, soillosses were investigated and determined under both pasture and dry-land agricultur...

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