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Design of bushing arrangements
Profiles having sharp edges, for example high R r values, result in heavy wear even if the R a values are within the recommended range. Although greater surface roughness might be acceptable for oscillating movement, heavy wear occurs when the bushings rotate or perform linear movements.
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Papers showing applications of EM methods in mining, CO2 sequestration, and hydrocarbon exploration. Below is the list of all abstracts that have been accepted for the given session. Please note that the presentations given and speaker is subject to change.
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Dry woodlands of Africa South of the Sahara. A. L. GRIFFITH Silviculturist, East African Agricultural and Forestry Research Organization, Kenya. This article is a condensation of the chapter in Africa from a forthcoming FAO monograph on acacia's and related species.
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Nigeria resolves 8 bln row with MTN Safcoin launches an Africafocused cryptocurrency Recently, local cryptoenthusiasts were able to be part of the Safcoin initial coin offering (ICO), which ...
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Despite these different MMP definitions and experimental techniques, STD remains a commonly used, simple method of obtaining useful information relating pressure and displacement efficiency and the effects of small concentrations of such gases as methane or nitrogen in the CO2.
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'the striker looked sharp and eager as Jackson's partner in attack' ... 'Egg donation is another method of infertility treatment, used when the partner of a couple is unable to produce her own viable eggs.' ... Main definitions of partner in English: partner 1 partner 2. partner 2. noun partners Nautical .
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The Xact® 920 system is the latest application of Cooper Environmental's automated XRF module that allows for analysis of continuouslydrawn aqueous samples for userselected metals.
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"The Surface Mining Control and Reclamation Act (SMCRA) was enacted in 1977 after the US Congress recognized the need to regulate mining activity, rehabilitate abandoned mines, and protect society and the environment from the adverse effects of mining operations.
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Alluvial spinel: Much of the spinel used to produce gemstones is obtained from alluvial deposits. These deposits are worked with minimal mechanization in many parts of the world. Workers wash stream sediment and visually search through the coarse sand to fine gravel fraction, looking for colorful mineral grains that might be of value.
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Oil sands mining operators strive to use the latest and greatest mining equipment, particularly heavy haulers which transport the oil sands to the main plant site. This ensures the maximum fuel efficiency and lowest emissions from the mining fleet.
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Magnesium phosphide is a white crystalline solid. It reacts violently with water and may ignite upon contact with air. It is toxic by ingestion. It is used to make other chemicals.
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Moniya in Ibadan, Nigeria. They were rinsed thoroughly with tap water to remove sand and other particulate matter and then rinsed twice with deionized water. They were thereafter sundried for six days. The dried leaves were pulverized and sieved through a 150 µm size mesh screen and stored in airtight polythene bags till time of usage.
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2. To make known over a wide area: reporters who broadcast unchecked rumors in order to get the story out first; "The birds sang in flight because that was the only way, in this treeless terrain, to broadcast their claims across their chosen pieces of land" (Kenn Kaufman). See Synonyms at announce.
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The 19th century was an era of rapidly accelerating scientific discovery and invention, with significant developments in the fields of mathematics, physics, chemistry, biology, electricity, and metallurgy that laid the groundwork for the technological advances of the 20th century.
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