balance
Russian translation: см. пояснение
| 19:11 Sep 6, 2016 |
| English to Russian translations [PRO] Mining & Minerals / Gems / INLINE LEACH REACTOR | |||||
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|  Selected response from: Mikhail Yanchenko Russian Federation Local time: 11:52 | ||||
Grading comment
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| Summary of answers provided | ||||
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| 4 | баланс (золота) |
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| 3 | см. пояснение |
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| 1 | массовой баланс |
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Answers
35 mins confidence: 
массовой баланс Explanation: http://www.eng.nus.edu.sg/m3tc/M3TC_Technical_Reports/Gold E... Modeling of heap leaching of gold by cyanidation A mathematical model for heap leaching of gold ores by cyanidation was developed by Sanchez-Chacon and Lapidus in 1997 which describes gold heap leaching as a function of the mass transport steps involved, employing a rigorous kinetic expression to describe gold cyanidation .The model incorporates the results of investigation on trickle bed reactors, which consider the wetting efficiency of the mineral particles in the bed as a function of the Reynolds number of the leaching solution as it flows through the bed. From this parameter an apparent effective diffusivity of the species in the partially wetted particles is calculated. The numerical solution of the model equations allows the description of the reactant and product concentration profiles in the heap. From these profiles, mass balances are performed which show how the gold reacts and is transported until it finally leaves the heap. The effect of different process and mineral variables, such as the mineral porosity, particle radius, leaching solution flow rate, gold grain size, the concentration of reagents and the heap height, on the gold extraction rate were also evaluated. The results obtained show that the controlling phenomenon in the gold extraction rate is the diffusion of the gold cyanide complex out of the mineral particles. Parameters such as the particle radius and porosity and the solution flow rate are important in determining the extraction rate. The study of the gold distribution in each step of the process as a function of time, calculated from the mass balances, would allow the implementation of dynamic operating policies in aspects such as variable feed concentration of reagents to reduce heap rinsing before closure. Глава 4. ОПРОБОВАНИЕ ЗОЛОТОРУДНЫХ МЕСТОРОЖДЕНИЙ www.geokniga.org/.../geokniga-volarovicha-gp-i-ivanova-vn-m... Основная задача каждой стадии разведки — оценка промышленного .... В зависимости от характера распределения золота выделяются рудные тела с ... золота, учитывающая все известные к настоящему времени основные .... разведки месторождения решаются в процессе изучения рудного поля. http://chemfiles.narod.ru/sprav/chrom_slovar.htm equation 1. уравнение; 2. формула. Golay ~ Голея уравнение. mass balance ~ уравнение массового баланса. Van Deemter ~ уравнение Ван Деемтера. https://en.wikipedia.org/wiki/Mass_balance |
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2 hrs confidence:
баланс (золота) Explanation: . Example sentence(s):
Reference: http://window.edu.ru/resource/107/19107/files/metod445.pdf |
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1 day 14 hrs confidence:
см. пояснение Explanation: Здесь скорее определяют текущую концентрацию золота в растворе. В качестве примера можно посмотреть (там, правда, применяли атомную адсорбцию) http://spb-sovtrans.ru/razrabotka-mestorozhdeniy/619-podgoto... |
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