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1 Markets I: The Ecosystem and Exchange-Traded Marketsবাজার অনলাইনইংরেজি 2 Markets II: Rates, FX and Creditবাজার অনলাইনইংরেজি 3 Markets III: Commodities, Energy and Cryptoবাজার অনলাইনইংরেজি 4 Quantitative Methodsপদ্ধতি অনলাইনইংরেজি 5 Derivatives and Volatilityডেরিভেটিভস অনলাইনইংরেজি 6 Rates, Credit, XVA and Riskসুদহার, ঋণ ও ঝুঁকি অনলাইনইংরেজি 7 Research Craft: Predictors, Backtests, Measurement, Portfoliosগবেষণা অনলাইনইংরেজি 8 Strategies I: Equities and Futuresকৌশল অনলাইনইংরেজি 9 Strategies II: Volatility, Relative Value, Macro and the Bank Desksকৌশল অনলাইনইংরেজি 10 Microstructure and Executionএক্সিকিউশন অনলাইনইংরেজি 11 Market Making and High-Frequency Tradingমার্কেট মেকিং অনলাইনইংরেজি 12 Machine Learning for Marketsমেশিন লার্নিং অনলাইনইংরেজি 13 Low-Latency Softwareপ্রযুক্তি অনলাইনইংরেজি 14 Networks, Hardware and Trading Infrastructureপ্রযুক্তি অনলাইনইংরেজি 15 Research, Data and Risk Platformsপ্রযুক্তি অনলাইনইংরেজি 16 The Desk and the Firmপ্রতিষ্ঠান অনলাইনইংরেজি 17 The Industry: Firms, Roles and Careersক্যারিয়ার অনলাইনইংরেজি 18 Interviews I: Maths, Probability and Speedক্যারিয়ার অনলাইনইংরেজি 19 Interviews II: Markets, Trading Games and the Final Roundক্যারিয়ার অনলাইনইংরেজি 20 Interviews III: Codeক্যারিয়ার অনলাইনইংরেজি
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Ciências da Terra e do espaço · পরিভাষা

Lei de velocidade de dissolução mineral কী?

Definição 15.5 Ciências da Terra e do espaço universitárias — 3.º ano · অধ্যায় 15 — Interação água–rocha

A lei de velocidade de dissolução mineral fornece a taxa de dissolução por unidade de área superficial do mineral, em mol m−2 s−1\mathrm{mol}\,\mathrm{m}^{-2}\,\mathrm{s}^{-1}, como uma soma sobre os mecanismos ácido, neutro e básico,

r=∑jkj e−EjR(1T−1298.15) aHX+nj (1−Ωpj)qj,r = \sum_j k_j\,e^{-\frac{E_j}{R}\left(\frac1T - \frac1{298.15}\right)}\, a_{\ce{H+}}^{n_j}\,\bigl(1 - \Omega^{p_j}\bigr)^{q_j},

com constantes de taxa kjk_j a 25 ∘C25\,{}^{\circ}\mathrm{C}, energias de ativação EjE_j, ordens de reação njn_j (negativas para o mecanismo básico) e dois expoentes pjp_j, qjq_j, geralmente tomados como 1.

Taxas de dissolução longe do equilíbrio a 25\, C, em função do pH, a partir de uma compilação publicada de parâmetros de taxa de laboratório. O membro extremo olivínico, a forsterita, não tem mecanismo básico na compilação; sua curva deixa de cair no patamar neutro.
Taxas de dissolução longe do equilíbrio a 25 ∘C25\,{}^{\circ}\mathrm{C}, em função do pH, a partir de uma compilação publicada de parâmetros de taxa de laboratório. O membro extremo olivínico, a forsterita, não tem mecanismo básico na compilação; sua curva deixa de cair no patamar neutro.
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