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 Wysłany: Wto 16:52, 21 Gru 2010 Temat postu: air jordan shoes cheap Anhydrous calcium sulfate c |
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Anhydrous calcium sulfate crystallization kinetics of transformation
8 NaCL concentration, the experimental results are in l5C and 20 \NaC1 concentration and the concentration of l0 of the difference is small,[link widoczny dla zalogowanych], the late response. 5 NaCI concentration in the velocity of the water slightly faster - more. Theory to explain by crystal hydration rate of CaSO4 concentration appeared optimal NaCI good agreement with the experimental results. 3.5.2 When the NaC1 concentration was higher than l0 time, △ c with the increase of NaCI concentration significantly reduced,[link widoczny dla zalogowanych], hydration significantly reduced ability to promote 20,[link widoczny dla zalogowanych], and thus,[link widoczny dla zalogowanych], the water table significantly reduced the rate of reaction. 4CaSO4 NaC1 solution in the hydration kinetic data were fitted by computer fitting the l5c, 2Oc and 39'C when the C-~ O4 in the NaCI solution in the hydration kinetics model for the experimental data,[link widoczny dla zalogowanych], the model of mathematical expressions the time when T = 188.15K to 0 =-- 299.12085fc a 0.076l +546.36955 C ~ +17.87024 ~ when T = 293. i5K when o =-- 98.4329lc-o. 078lT +13.77596 ~ time when T = 303.15K. 0 =-- 80.47469lc a 0.078lT +. 38309--: 0.06822 where 0-'-C-DSO ・ converted into CaSO ・ ・ 2H0 conversion rate (calculated) C - NaCI concentration for a reaction time of the experimental data and calculated the average deviation of l0 time, CaSO a hydration rate increases with the NaCl concentration increased slow Reference 1It. I_ Budde Nike Fu Shan Fan call home, Zeng Xianjing. Translation of high-Kang Wu J Research and Application of gypsum: China Industry Press. 1963.12. 2 more Chinese Academy of Sciences Institute of Office code. \(masspercent) havebeenstudiedat15'C, 20'Cand30 ℃. Itjsf. undthatthegl1erthemmperturetheslowertherateofhydrationreactionwhenNactconcentrationisfixed.rnLereactionreachesitsmaximumratewhenNactcocentratlonis10.whenNaclconcentrationishi ~ erthan10.thereactionra Dian dereaseasNaciconcentrationincrease.ThekineticsmodelsVdaichcorrelateeonv ~ tonrateofanhydritetrar'dlformJ. ngint0 out hydriteandNac [o0ncentranonandtimehavebeendevelopedat ~ rmintempecatures.Themeanrelativeell 'orissmailerthan10KeyWords: hydrationkine ~ cs, Sotulility \
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