نتایج جستجو برای: gold refining

تعداد نتایج: 94573  

Journal: :MRS Bulletin 1992

Journal: :تحقیقات آب و خاک ایران 0
عبدالامیر بستانی استادیار گروه خاک شناسی دانشگاه شاهد اعظم السادات یوسفی دانشجوی کارشناسی ارشد گروه خاک شناسی دانشگاه شاهد

the aim of this study was to investigate the effect of different amounts of hydrogen peroxide and iron resources in refining petroleum (kerosene) contaminated soils using fenton reaction. for this, ten complex soil samples around tehran oil refinery were collected and after preparations were contaminated with two levels of 10 and 20% of petroleum (kerosene) in triplicate. after reaching equilib...

Journal: :Studies in health technology and informatics 2004
Kevin J. Mitchell Michael J. Becich Jules J. Berman Wendy W. Chapman John R. Gilbertson Dilip Gupta James Harrison Elizabeth Legowski Rebecca S. Crowley

We have developed a pipeline-based system for automated annotation of Surgical Pathology Reports with UMLS terms that builds on GATE--an open-source architecture for language engineering. The system includes a module for detecting and annotating negated concepts, which implements the NegEx algorithm--an algorithm originally described for use in discharge summaries and radiology reports. We desc...

Journal: :Behavioural brain research 2001
D Wahlsten J C Crabbe B C Dudek

Rapid advances in biotechnology have created new demands for tests of mouse behaviour having both high reliability and high throughput for mass screening. This paper discusses several statistical and psychological factors pertinent to replication of results in different laboratories, and it considers the question of which inbred strains are best for test standardization. In this context, the pr...

2011
Stefan Andersson Per Engstrand Christer Sandberg

The thesis is focussed on low consistency (LC) refining of mechanical pulp. The research included evaluations of energy efficiency, development of pulp properties, the influence of fibre concentration on LC refining and effects of rotor position in a two-zoned LC refiner. Trials were made in mill scale in a modern TMP line equipped with an MSD Impressafiner for chip pre-treatment, double disc (...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0
m. mazaheri tehrani s. yeganehzad n. raoufi

possibility of replacing whole soy flour for chocolate fat in chocolate production and its impact on textural, rheological and sensory properties of low fat chocolate was explored. for doing this, whole soy flour in 5 levels (0, 2,4,6,8 percent) and two refining times (105 and 135 minutes) was employed. results indicated that longer refining time gave rise to reduction in particles size and inc...

2006
Sriraam Natarajan Weng-Keen Wong Prasad Tadepalli

In this paper, we present preliminary results from learning the structure of first-order conditional influence statements from data for the purpose of classification. In order to reduce the search space over structures, we formulate and address the structure learning problem as a problem of refining the structure of a first-order probabilistic program using training data. We use variants of the...

2015
Robert Harper Rowan Davies

Inspired by Cardelli’s pioneering work, many type disciplines for object-oriented programming are based on enrichments of structural type theories with constructs such as subtyping and bounded polymorphism. A principal benefit of such a formulation is that the absence of “message not understood” errors is an immediate corollary of the type safety theorem. A principal drawback is that the result...

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