The leaching and release of Ca~(2+) and HCO_3, the key elements for karstification, is characterized by a first high concentration but fast decreasing phase followed by a phase steady to equilibrium, indicating removal of readily mobile Ca and bicarbonate is involved in epigenic limestone dissolution as evaluated by karst water chemistry.

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The separation factor of glycolic acid to glyoxylic acid increased with TRPO concentration from less than 1 to larger than 1. The models parameters K 11 and K 12 in the single acid system can be used to predict extraction equilibrium behavior in the mixture acid systems.

結(jié)果表明99久久精品国产一区二区蜜芽，隨TRPO濃度的增大，分離系數(shù)β（glycolic /glyoxylic）由小于1逐漸增大至大于1福利影院你懂的，乙醇酸與TRPO的萃合物有1∶1和1∶2兩種形式久久青草视频永久看，采用單溶質(zhì)萃取反應(yīng)平衡常數(shù)預(yù)測雙溶質(zhì)萃取的結(jié)果，預(yù)測值與實驗值相當接近国产欧美乱伦。

Considering a spherical porous carbon particle immersed in a static ambient atmosphere, the combustion characteristics under three basic conditions: frozen flow, equilibrium flow, partial flow are solved in a half-analytical and half-numerical way. By using the LAEA (Large Activation Energy Asymptotic Method), the departure value of some parameters such as combustion rate, temperature, and concentration are obtained. On this basis, the rules of a carbon particle combustion under various conditions when the gas phase Damk〓hler number is in the range of 0,+∞ are summarized.

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A batch sorption experiments showed that JX-101 had high sorption capacities for benzyl alcohol. While NaCl existed in the solution, equilibrium adsorption data fitted Freundlich isotherms in the studied concentration range, as well as NaCl was inexistent. And the adsorption capacity increased when the content of NaCl rose.

結(jié)果表明91操视频，JX-101樹脂對苯甲醇具有良好的吸附性能，在研究的濃度范圍內(nèi)九九热最新网址，吸附平衡符合Freundlich吸附等溫式717午夜理论片在线观看影片，NaCl存在時不影響吸附等溫式的適用，且吸附量隨NaCl含量的提高而增大国产精品亚洲第一区柳州莫青。

To provide fundamental data for the extraction process of phenol removal from wastewater, experimental liquid-liquid equilibrium data in the range of dilute phenol concentration were determined for the ternary system methyl isobutyl ketone-water-phenol at 25℃, 40℃ and 50℃ under atmospheric pressure.

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In the sixth chapter, according to our nations situations, a probing study on the development and application of natural mordenite was carried out at the aim to develop a new adsorbent carrier and reduce the cost of adsorbent preparation. The characters of natural mordenite were chemically changed by an acid. The effects of the acid solution concentration, temperature, mordenite size and treatment times on the physico-chemical characters of mordenite were undertaken. The adsorption equilibrium of CO on the character-changed natural mordenite was measured.

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Through the measurement of liquid-liquid equilibrium of DMSO-multicomponent heavy aromatics-tetradecane system, it was found that the concentration of trimethylbenzene and 1-methylnaphthalene had more effects on the distribution coefficient of other aromatics than that of the naphthalene and 2-methylnaphthalene.

用單一溶劑DMSO對多組分混合芳烴進行了萃取實驗，發(fā)現(xiàn)在混合重芳烴中国产首页在线视频，三甲苯和1-甲基萘的濃度對其它芳烴分配系數(shù)的影響大于萘色爽www色色、2-甲基萘等對分配系數(shù)影響。

The results shown that both [Cu_2]~2+ and NR molecular can intercalates into the DNA double helix layer, and there is a competition between these two interactions. Furthermore, chemometrics approach, parallel factor analysis, was used to resolve the measured three-way CW-SFS data, which provided simultaneously the concentration information for the three reaction components, NR, [Cu_2]~2+ and NR-DNA, for the system at each equilibrium point. This PARAFAC analysis indicated that the intercalation of the [Cu_2]~2+ molecule into the DNA proceeds by exchanging with the NR probe, and can be attributed to two parallel reactions.

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The absorption equilibrium capacities qe in the experimental dye concentration of 50 mg/g were in the range of direct dark brown M 14.3～16.0 mg/g, acid mordant brown RH 7.2～9.6 mg/g, reactive light yellow KD 3G 16.5～19.2 mg/g respectively.

上述溫度范圍內(nèi)，當染料質(zhì)量濃度為50 mg/ L時亚洲精品综合玖玖爱在线，活性嫩黃 KD- 3G外国在线视频播放免费网站、直接深棕 M和酸性媒介棕 RH的平衡吸附量分別為 1 6.5～ 1 9.2 mg/ g、1 4 人人骚人人操人人高潮。3～ 1 6.0 mg/ g精品伊人久久大线色首页、7.2～ 9.6 mg/g。

Based on the obtained information about stability of the experimental data it may be concluded that the time for obtaining the equilibrium values for the vapor pressure, capillary constant and concentration of the ROS is practically the same Figs.

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