نتایج جستجو برای: trace mineral

تعداد نتایج: 131629  

2012
Mee-Young Shin Young-Eun Cho Chana Park Ho-Yong Sohn Jae-Hwan Lim In-Sook Kwun

Yam has been recognized having the beneficial effects for the prevention of various diseases, such as cancer, immunity, infection and obesity etc. There is increasing consideration to supplement the antioxidant nutrients to make up the lack of the antioxidant nutrient intakes. No study has been reported for the analysis of antioxidant mineral contents and comparison to dietary recommended intak...

Journal: :Journal of animal science 2011
W Li W Powers G M Hill

The objective of the study was to evaluate the dietary effects of distillers dried grains with solubles (DDGS) with either inorganic or organic trace mineral sources on air emissions. Three diets were compared: a corn- and soybean meal-based control diet (Con), a diet containing 20% DDGS with inorganic trace mineral sources (20In), and a diet containing 20% DDGS with organic trace mineral sourc...

Today coal is among the most important energy sources. In order to meet the world's energy demands, low-calorie lignite with a high ash content is generally used in the large capacity coal-fired thermal power plants. As a result of coal firing, wastes such as fly ash, slag, and flue gas are also produced. Subsequently, toxic trace elements within coal are transferred to wastes such as slag, fl...

Mahsa Rahimzadeh , Mehdi Masoodi ,

Introduction: In recent years, attraction toward drinking bottled mineral water has increased. Therefore, chemical composition and safety of these waters considering trace elements and heavy metals should confirm the national or international standard limits. The aim of this study was to evaluate and comparison of the mineral and heavy metal composition of bottled waters in Bandar Abbas with Ir...

Journal: :Science 1952
K S Chester

S CIENTISTS face no greater problem than that of assuring that the earth's rising population be adequately clothed, housed, an'd fed. Such assurance is essential if permanent world peace is to be attained. Achievement of this objective demands effort on many fronts: improved agricultural science, chemurgy, greater utilization of photosynthetic energy, novel foods and construction materials, the...

2011
M. L. S. Bicalho R. V. Pereira L. S. Caixeta W. A. Knauer G. Oikonomou R. O. Gilbert R. C. Bicalho

The objective of this study was to evaluate the effect of subcutaneous supplementation of 300 mg of zinc, 50 mg of manganese, 25 mg of selenium, and 75 mg of copper (Multimin North America, Inc., Fort Collins, Co) at 230 days of gestation, 260 days of gestation, and 35 days postpartum, on health, milk production and reproduction of lactating Holstein cows. A randomized field trial was conducted...

Journal: :زمین شناسی اقتصادی 0
محمد علی جزی جمشید شهاب پور

nakhlak lead mine is located at the nakhlak mountain 55 km ne of anarak town in isfahan province. the mineralogy is simple; galena and barite are the main primary minerals and cerussite is the main secondary mineral. sphalerite, pyrite, chalcopyrite, tetrahedrite-tennantite and acanthite occur as minor and trace mineral inclusions in galena. secondary minerals are anglesite, plattnerite, wulfen...

احمدی بنکدار, سلیمان , احمدی, علی ,

The Chah ruii area in southwest of Nehbandan contains two types of tourmaline pegmatites. Type one (type CH) pegmatites are found in the granitoid body and type two (type D) pegmatites in metamorphic rocks around the granitoid. Based on petrography and electron microprobe analyses these tourmalines show schorl- dravite, and located in alkali groups and have high Al contents and deprotonation-su...

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