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• The Geochemist's? Workbench（GWB）是重要的地球化學模擬軟件，廣泛應用在環境地球化學、油氣地球化學以及礦床地球化學等領域。運用計算機模擬眾多的復雜地球化學反應過程，通過量化模型來了解沉積成巖和熱液變化、開發探明礦床、確定污染物遷移規律、預測礦床和油藏物質演化。目前GWB模擬軟件有三個版本，即GWB Essentials、GWB Standard和GWB Professional。
  
• （1）GWB Essentials，即基礎地球化學工作臺，包含5個模塊，Rxn，Act2，Tact，SpecE8，Gtplot。可以計算溶液地球化學反應平衡、構筑多組分體系相圖、計算礦物飽和指數、氣體逸度以及模擬吸附和表面配合作用、繪制體系氧化還原、pH、溫度和活度等各種圖解。
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• （2）GWB Standard，即標準地球化學工作臺，除含有上述Essentials基礎工作臺相同的工具外，還加上了React模塊。可以進行反應路徑模擬，包括礦物溶解/沉淀和氧化還原動力學、計算Debye-Huckel或Pitzer活度系數和進行穩定同位素分餾計算等內容。
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• （3）GWB Professional，即專業地球化學工作臺。目前GWB PRO 7.0是GWB的新版本，除含有Essentials和Standard版本的所有工具外，還具備3個模塊X1t，X2t，Xtplot?？梢赃M行空間地球化學反應研究，如一維和二維反應輸運模擬。
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• 注意：
• GWB 12是Windows10，Windows8.1和8以及Windows 7的首選版本，但GWB 10也適用于這些操作系統。GWB 9僅在Windows 8.1和 8 以及Windows 7下運行。GWB版本8及更早版本已過時，不能在接受支持的Windows版本上運行，應該停用。
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• GWB Professional
• The Geochemist's Workbench? Professional edition is the complete software package. Create spreadsheets and specialty diagrams, trace reaction models, and simulate 1-D and 2-D reactive, bioreactive and colloidal transport.
• GWB Pro accounts for equilibrium and kinetic reactions in heterogeneous, dual-porosity media, including simulation of microbial metabolism and growth. Only the professional edition is multithreaded. And only GWB Pro lets you animate your results and create video clips in just moments.
• GWB Standard
• The Geochemist's Workbench? Standard edition is your choice for spreadsheets, diagrams, and multicomponent reaction modeling. Plot how species distributions change, model water-rock interaction, and simulate fluid mixing.
• Integrate kinetic rate laws for mineral dissolution and precipitation, complex association and dissociation, sorption and desorption, redox transformation, and gas transfer. Model microbial metabolism and growth.
• GWB Essentials
• The Geochemist's Workbench? Essentials edition performs the most common tasks in geochemical modeling. With a few clicks, you can balance reactions, figure equilibrium constants, and make Eh-pH diagrams.
• The package features a spreadsheet designed for geochemical analyses. Instantly convert units or figure mineral saturation for all your samples. Create time series and cross plots, and ternary, Piper, or Stiff diagrams. And that's just the beginning.
  
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• What's new in GWB12?
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• Phase2, the ultimate phase diagram generator
• Generalized stable isotope model
• Tsonopoulos, Peng-Robinson, and Spycher-Reed partial pressure models
• Stable isotope transport
• Presentation grade graphics
• XML plot output for your favorite graphics app
• Re-engineered compute engine
• Unified rate model
• Overlay multiple scatter datasets and reaction traces
• Anion exchange model
• Multi-tier self-auditing
• Phase assemblage and predominance maps
• Comments in GSS cells
• Extend Act2 and Tact plots beyond water stability limits
• Suppress and alter KD and Freundlich species
• Influx and efflux summaries for reactive transport models
• Save scripts in bit-exact hexadecimal format
• Streamlined GUI eliminates irritating “stick points”
• No hassle travel: borrow a floating license for your trip
• Optimized for Windows 10
  
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• What's new in GWB11?
• Any number of boundary and injection fluids.
  Arbitrary inlet and well pumping intervals.
  Recirculation wells.
  Quick video output to compact frame images.
  Chain together kinetic reaction paths.
  Robust pickup command.
  Expanded set of transient and heterogeneous properties.
  Graph transient variables against time.
  Cutoff feature for compute-intensive simulations.
  Cleaner, sleeker GUI.
  Electrical conductivity by USGS and APHA methods.
  Multiple Stiff, Schoeller, Radial, Bar, and Pie plots on a page.
  Configurable Stiff, Schoeller, and Radial diagrams.
  Concentration as protonated, deprotonated species (e.g., H2S, HS-, S2-).
  Allow duplicate names of species, minerals, and gases.
  Set working directory once for all GWB apps.