Albite-chlorite and talc-chlorite deposits in metasedimantary and granitoid rocks of central Sardinia (Italy)
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چکیده
منابع مشابه
Identification of chlorite and serpentine in cosmetic or pharmaceutical talc.
Chlorite is the most common accessory mineral group found in high purity talc ore used in cosmetic or pharmaceutical consumer talcum products. X-ray diffraction and wet chemical analytical data obtained on geologic samples representing commercial talc ore deposits of high purity and on processed samples representing talc found in consumer talcum products indicate that clinochlore and penninite ...
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Talc is often used to control unwanted deposition of resins and wood processing derivatives in the wet end circuit of a paper mill. These compounds, called pitch, originate from the raw forest material and are brought into a semi-stable colloidal dispersion during the pulping process. In preceding work we found that the efficiency of different talcs in reducing the level of pitch present in a t...
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پس ازفروپاشی شوروی،رشد منابع نفت و گاز، آسیای میانه و قفقاز را در یک بازی ژئوپلتیکی انرژی قرار داده است. با در نظر گرفتن این منابع هیدروکربنی، این منطقه به یک میدانجنگ و رقابت تجاری برای بازی های ژئوپلتیکی قدرت های بزرگ جهانی تبدیل شده است. روسیه منطقه را به عنوان حیات خلوت خود تلقی نموده و علاقمند به حفظ حضورش می باشد تا همانند گذشته گاز طبیعی را به وسیله خط لوله مرکزی دریافت و به عنوان یک واس...
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ژورنال
عنوان ژورنال: Boletim Paranaense de Geociências
سال: 2002
ISSN: 0067-964X,0067-964X
DOI: 10.5380/geo.v50i0.4157