نتایج جستجو برای: ore reservoir
تعداد نتایج: 51783 فیلتر نتایج به سال:
● 1-year unadjusted, all incident patients: 78%. ● 5-year unadjusted, all incident patients: 33%. ● 10-year unadjusted, all incident patients: 9%. ● Survival comparable or worse than patients with many types of cancer. ● Increasing number of incident patients with worse survival (median age, 64.5 years for incident patients in US Renal Data System [USRDS] Annual Data Report 2003). ● Younger pat...
The practice of manganese ferroalloy smelting has traditionally been based on utilising oxide ores which typically contain a high level of manganese. This preference for oxides has even been extended to the modification of natural carbonates into nodulized oxides. However smelting practices developed over the past 30 years have created a market for natural manganese carbonate ores, driven in pa...
We study practical order-revealing encryption (ORE) with a well-defined leakage profile (the information revealed about the plaintexts from their ciphertexts), a direction recently initiated by Chenette, Lewi, Weis, and Wu (CLWW). ORE, which allows public comparison of plaintext order via their ciphertexts, is a useful tool in the design of secure outsourced database systems. We first show a ge...
MCP1 is upregulated by various stimuli, including LPS, high glucose, and hyperosmolality. However, the molecular mechanisms of transcriptional regulation of the MCP1 gene under hyperosmolar conditions are poorly understood. Treatment of NRK52E cells with NaCl or mannitol resulted in significant elevation of MCP1 mRNA and protein in a time- and dose-dependent manner. Treatment with a p38MAPK inh...
the cu, pb, zn, ag-au deposit of amensif is located on the northern flank of the western high atlas. this deposit is hosted in lower cambrian carbonate bars and is structurally controlled by ne-sw to e-w trending fault structures and is spatially associated with the permian 273 ma azegour granite. ore reserves are around 0.5 mt and grades are 3.21% zn, 0.58% pb, 0.86% cu with 83.31 ppm ag and 0...
The process of developing an iron ore mine from exploration data through to informed mining decisions provides an example of a Complex Adaptive System. The detailed composition of an ore body (expressed as a “block model” of regularly spaced rectangular blocks) has to be estimated from initially sparse exploration data, based upon a limited number of drill holes. As planning proceeds, the data ...
BACKGROUND During May-June 2010, a childhood lead poisoning outbreak related to gold ore processing was confirmed in two villages in Zamfara State, Nigeria. During June-September of that year, villages with suspected or confirmed childhood lead poisoning continued to be identified in Zamfara State. OBJECTIVES We investigated the extent of childhood lead poisoning [≥ 1 child with a blood lead ...
Abstra t. Here, we have designed and implemented algorithms for string mat hing with gaps for musi al melodi re ognition on polyphoni musi using bit-wise operations. Musi analysts are often on erned with nding o urren es of patterns (motifs), or repetitions of the same pattern, possibly with variations, in a s ore. An important example of exibility required in s ore sear hing arises from the na...
This case study utilizes a value of information decision framework to provide mine managers guidance regarding the purchase of ore grade scanners. LKAB’s Kiruna mine produces three types of iron ore to meet long-term contractual agreements on a monthly basis. There is a priori uncertainty regarding the ore type in any given mineable section of the orebody. In addition, there is extracted ore ty...
The paper presents laboratory report on leach study of a particular ZnS ore using a range of concentrated acid. The authors carried out this work as prelude to a more systematic study on the considerable body of knowledge in processing this type of ore in terms of the Roast-Leach-Electrowin process and then considered the extent to which this method is applicable to their specific ore. The ore ...
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