Xem 1-20 trên 26 kết quả Mineralogy
  • In this paper, physico-chemical and mineralogical properties of fly ash from Pha Lai, Mong Duong and Ninh Binh thermal power stations were studied for ultilization to improve soil properties. Results shows that the properties of fly ash depend on the nature of parent coal, conditions of combustion, type of emission control devices, and storage and handling methods.

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  • An Introduction to the Study of Mineralogy is a collection of papers that can be easily understood by a wide variety of readers, whether they wish to use it in their work, or simply to extend their knowledge. It is unique in that it presents a broad view of the mineralogy field. The book is intended for chemists, physicists, engineers, and the students of geology, geophysics, and soil science, but it will also be invaluable to the more advanced students of mineralogy who are looking for a concise revision guide....

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  • Resulting from lower of clay fraction content, organic mater content, CEC, Exchangeable cations, all of Hanoi agricultural soils samples have smaller liquid limit, plastic limit, plastic index and activity than those of Japanese agricultural soils.

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  • Groundwater is an important resource that serves as a backbone of human development. In several regions, mostly in developing countries, groundwater from sedimentary and hard rock aquifers used for drinking is naturally contaminated with arsenic. In different countries in Asia such as India, Bangladesh, Cambodia, China, Nepal, Pakistan, Taiwan, Thailand and Vietnam, the situation of arsenic toxicity is alarming and severe health problems are reported amongst the inhabitants relying on groundwater as sources of water for drinking purposes....

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  • The infrared and Raman spectroscopy have applications in numerous fields, namely chemistry, physics, astronomy, biology, medicine, geology, mineralogy etc. This book provides some examples of the use of vibrational spectroscopy in supramolecular chemistry, inorganic chemistry, solid state physics, but also in the fields of molecule-based materials or organic-inorganic interfaces.

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  • Clay and clay minerals represent the youngest minerals in the Earth’s crust. Clays are irregularly distributed in lithosphere, as their concentration increases due to the weathering, hydrothermal changes, including anthropogenic influences. Clay minerals occur in all types of sediments and sedimentary rocks and are common in hydrothermal deposits. The interdisciplinary character of clay science follows from the information obtained from the methodology and theory of other natural and technical sciences....

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  • The toxicology of particles is an absorbing area of research in which to work and when we conceived this book, we wanted to capture some of the fascination that we feel about our profession. We are well-pleased with the result—everyone we invited to write a chapter agreed and almost everyone delivered a manuscript—a remarkable outcome in this time of conflicting deadlines. It is difficult to keep up with the sheer quantity of data that accumulates on particle toxicology.

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  • Although Earth is billions of years old, geology—literally meaning the study of Earth—is a relatively new science, having grown from seeds of natural science and natural history planted during the Enlightenment era of the eighteenth and nineteenth centuries. In 1807, the founding of the Geological Society of London, the first learned society devoted to geology, marked an important turning point for the science (some say its nascence).

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  • An effective separation method of very pure binder fraction to assess radiocarbon dating is proposed in the present contribution. The elimination of contaminant error sources and the suitable selection of mortar samples enable the reliable dating. Petrographic analysis under polarizing light microscopy is used to identify different mineralogical phases of mortar samples, aggregate nature, and the limestone fragment remains.

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  • Metal in sediment is affected by mineralogical and chemical composition of suspended material, anthropogenic influences by deposition, sorption, and enrichment in living organism or aquatic plant (Jain et al., 2005). Naturally, suspended and bed sediment are an important compartment to buffer metal concentration in an aquatic system especially by adsorption or precipitation (Jain & Ali, 2000; Jain, 2001; Jain & Sharma, 2002; Jain et al., 2004).

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  • The first version of this text was written to serve as lecture notes for a first term geology course in “Minerals and Rocks” at Aarhus Universityin Denmarkin 2003. In Aarhus this course is accompanied by a general “Introduction to Geology” course that presents, for example, the structure of the Earth, plate tectonics and paleontology. These topics are therefore not treated here, and some knowledge of the Earth´s structure and plate tectonicsis assumed.

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  • ÁP DỤNG ĐẤT SÉT Khoáng Chế biến và ứng dụng của Kaolin, Bentonite, PalygorskiteSepiolite, và Đất sét thông thường.

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  • The advent of X-ray diffraction in the early twentieth century transformed crystallography from an area of scientific inquiry largely limited to physics, mineralogy, and mathematics, to a highly interdisciplinary field which now includes nearly all life and physical sciences as well as materials science and engineering.

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  • .Lecture Notes in Earth Sciences Editors: S. Bhattacharji, Brooklyn H. J. Neugebauer, Bonn J. Reitner, Göttingen K. Stüwe, Graz Founding Editors: G. M. Friedman, Brooklyn and Troy A. Seilacher, Tübingen and YaleIn various periods throughout the younger earth history comparable changes in climate occurred globally and simultaneously. Such global events can be recon- structed with the help of reliefs, sediments and palaeosoils and their specific mor- phological, chemical and mineralogical properties. Desert margins represent inter- sections between arid and humid ecosystems.

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  • Noting a marked lack of comprehensiveness and/or contemporaneity among typical reference works on chemical etymology[1-7] as well as a somewhat spotty coverage of chemical terms and their etymology in comprehensive dictionaries and textbooks [8-10] the present author decided to write an up-to-date desk reference on chemical etymology which would satisfy the needs of casual readers as well as those of more demanding users of etymological lore.

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  • Bản chất ưa nước của kaolinit làm cho nó dễ dàng dispersable trong các hệ thống dung dịch nước. Công thức lớp phủ bao gồm các sắc tố, chất kết dính, nước, và một lượng nhỏ các phụ gia khác.

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  • State of the Science and Roadmap for Research (hereafter called the Roadmap), that provides an overview of the state of the science and a plan for future research in areas including toxicology, mineralogy, epidemiology, and exposure assessment. The focus of the proposed research is on clarifying the relationship between human health effects and the physical and chemical characteristics

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  • Các xu hướng để đường cong là do một sự khác biệt nhỏ trong kích thước của tấm silicon tứ diện và tấm nhôm tám mặt (Hình 7).

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  • Thuộc tính cần thiết để làm cho hóa chất tổng hợp có trọng lượng nhẹ và nhiệt độ thành phần khoáng vật, mà tại đó các loại khí phát triển Thủy tinh hóa là phạm vi và nhiệt độ đốt trọng lượng riêng (sử dụng này sẽ được thảo luận trong chương 8)

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  • Đất sét Burley và diaspore đất sét được đặt ở Missouri và phía tây Pennsylvania.3.2. Các nước khác đất sét chịu nhiệt được sản xuất ở nhiều quốc gia, bao gồm Anh, Đức, Pháp.

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