نتایج جستجو برای: virgin soils

تعداد نتایج: 55406  

Journal: : 2022

The soil in forest plantations is constant close interaction with woody and shrubby plants. It acts as a determining factor creating optimal conditions for the existence of natural artificially created communities. Modern steppe afforestation has number unresolved questions regarding nature degree influence tree-shrub vegetation on typical zone – ordinary chernozem, feasibility ecosystems vario...

Journal: :Occupational and environmental medicine 1997
H Nakamura T Seto H Nagase M Yoshida S Dan K Ogino

OBJECTIVES Microwaves produce various detrimental changes based on actions of heat or non-specific stress, although the effects of microwaves on pregnant organisms has not been uniform. This study was designed to clarify the effect of exposure to microwaves during pregnancy on endocrine and immune functions. METHODS Natural killer cell activity and natural killer cell subsets in the spleen we...

2014
Richard Hoffman Mariette Gerber

26 This narrative review compares evidence from experimental, epidemiological and 27 clinical studies of the health benefits of rapeseed (Canola) oil and olive oil in order to 28 assess if rapeseed oil is suitable as a sustainable alternative to olive oil as part of a 29 Mediterranean-style diet in countries where olive trees do not grow. From 30 epidemiological studies, the evidence for cardio...

2005
P. J. Drohan D. J. Merkler

IEMs are left in contact with the soil has been addressed by many due to the differences found with ion adsorpTo find a quick, relatively inexpensive measure for soil chemistry tion over time (Sibbesen, 1977; Tabatabai, 1982; van Raij in the Mojave Desert (MD), we evaluated the use of the ion-exchange resin membrane (IEM) plant root simulator (PRS) probe. Tests were et al., 1986; Saggar et al.,...

Journal: :علوم و تکنولوژی پلیمر 0
شیرین شفایی نادره گلشن ابراهیمی

pp/pep blends, because of different solubility factors, are incompatible. the aim of this research was to use pp-g-ma compatibilizer in a two-component blend. after preparing this compatibilizer in internal mixer and investigating different parameters on producing process, optimum compatibilization was obtained. pp/pet (60/40) blend fibers with different percentages of this compatibilizer in tw...

Journal: :Agriculture 2023

Antioxidant capacity and sensory analysis of olive oils different quality grades (Extra virgin, Virgin, Ordinary Lampante) were investigated to define their possible differences useful for discrimination. Total phenolic content discriminated the sample Lampante oil (LVOO) with values (0.95 mg GAE/g) significantly lower than other (1.85, 1.80 1.98 A, D E samples, respectively). The principal com...

Journal: :Water 2021

Thirty soil samples were collected from fields that have been used for cultivating watermelons and canning tomatoes over 10 years. The microplastics (MPs) within these separated with a density floatation method the use of sieves filters. found black originated agricultural mulch film (BMF) in cultivations. ATR-FTIR spectroscopy revealed are same material as virgin BMF polyethylene blank. SEM im...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2004
Julia M Orshal Raouf A Khalil

IL-6 is elevated in plasma of preeclamptic women, and twofold elevation of plasma IL-6 increases vascular resistance and arterial pressure in pregnant rats, suggesting a role of the cytokine in hypertension of pregnancy. However, whether the hemodynamic effects of IL-6 reflect direct effects of the cytokine on the mechanisms of vascular contraction/relaxation is unclear. The purpose of this stu...

Journal: :Reproduction 2003
M B Hapon M Simoncini G Via G A Jahn

Thyroid dysfunctions can produce reproductive problems. Untreated maternal hypothyroidism has serious consequences on development of offspring, resulting in stunted growth and mental retardation. The effects of propylthiouracyl-induced hypothyroidism (0.1 g l(-1) in drinking water starting 8 days before mating, or given to virgin rats for 30 or 50 days) on the serum profiles of hormones related...

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