نتایج جستجو برای: chemical properties such as bulk density

تعداد نتایج: 6782242  

2012
C. Karunanithy Y. Wang K. Muthukumarappan S. Pugalendhi

Densification of biomass can address handling, transportation, and storage problems and also lend itself to an automated loading and unloading of transport vehicles and storage systems. The purpose of this study is to compare the physicochemical properties of briquettes made from different feedstocks. Feedstocks such as corn stover, switchgrass, prairie cord grass, sawdust, pigeon pea grass, an...

Journal: :مهندسی زراعی 0

in order to study the effects of sugar cane harvest machinery traffic on bulk density and cone index variation, a survey was conducted in 10 farms of deabel khozaiee sugarcane agro-industrial company, ahvaz, in 2006. in this experiment, two types of harvesters including wheel half track and tire wheels with 14 tons of weight, versus two types of tractor and basket transporters, with 10 and 18 t...

Journal: :journal of agricultural science and technology 2011
b. emadi m. h. saiedirad

in order to provide the data needed for the design of saffron processing equipment, physical properties of its flower were investigated. these properties included dimensions, mass, true and bulk densities, porosity, static and dynamic coefficients of friction, and terminal velocity as a function of moisture content. the average range of these properties for the three different parts of saff...

Journal: :ecopersia 2011
berdimohammad agherkakli akbar najafi seyed hamidreza sadeghi

ground skidding on skid trails affects the physical properties of soil. the objective of this study was to evaluate changes in soil physical properties on skid trails formed due to traffic of metal-tracked skidders with regard to soil bulk density, total porosity, water content and penetration resistance. the studies were implemented on two levels of slope – 20% (sc2) – and three levels of traf...

2001
Xiaolin Zhao Suchitra Subrahmanyan Kenneth B. Eisenthal

The asymmetry in forces at an interface due to the different bulk media on either side of it results in unique chemical and physical properties. The chemical composition, the orientational structure, the dielectric and transport properties are among the important properties of the interface that differ from that of the bulk media. One would expect properties such as chemical equilibria, pH, mol...

Journal: :journal of physical and theoretical chemistry 0
masoome sheikhi iran, islamic azad university siyamak shahab institute of physical organic chemistry, national academy of sciences of belarus,13 surganov str, minsk 220072, belarus

in the present work, the quantum theoretical calculations of the molecular structure of the 1-(1, 3-benzothiazol-2-yl)-3-(thiophene-5-carbonyl) thiourea has been predicted and are evaluated using density functional theory (dft) in gas phase. the geometry of the title compound was optimized by b3lyp/6-311+g and b3lyp/6-311+g* methods and the experimental geometrical parameters of the title compo...

Journal: :journal of agricultural science and technology 2015
i. małecka a. blecharczyk z. sawinska d. swędrzyńska t. piechota

the studies carried out over 2010-13 involved a static field experiment initiated in 1999 at brody research station of the poznan university of life science, poland. the soil tillage systems for winter wheat were compared on a soil classified as albic luvisols. the aim of experiments was to evaluate impact of ploughless soil tillage on some soil physical, chemical, biological properties and win...

Journal: :international journal of advanced biological and biomedical research 2014
a. gholami h.r. asgari e. zeinali

this research delves into investigating the effects of different soil management practices on soil physical properties, yield and yield’s components of irrigated wheat. this experimental design was administered in the form of the nested testing with three treatments (no tillage, low tillage and conventional tillage) and three replicates in some of the farmlands of chenran township. the results ...

2009
Rachael M. Steller Nicolas A. Jelinski Christopher J. Kucharik

There is an emerging need to estimate and verify soil carbon credits attributed to conservation tillage and prairie restoration in the Midwestern U.S. for the developing global carbon market. However, current soil sampling strategies may need to be augmented by empirical modeling to minimize costs while covering larger regions. Models were constructed relating soil bulk density (BD) to soil org...

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