desorption coefficient 中文意思是什麼

desorption coefficient 解釋
解吸系數
  • desorption : 解吸 解吸附作用 解吸作用 退吸 退吸作用 脫附 清除吸附氣體
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  1. For same mineral, desorption of 125i " on it was weaker than 125io3 ", and sorption of 125i i25io3 " on galenite is irreversible. apparent diffusion coefficient da of 125i " in the mixed material were determined by the pass - through diffusion way, da values under atmosphere was given : da = 7. 29x10 - 12m2 ? s - 1

    大氣條件下,隨體系固液比的減小,固相的量相對在下降, 125i -在礦物材料上的kd值減小;隨材料粒度的減小,材料的比表面積增加, 125i -在礦物材料上的kd值有所增加。
  2. The desorption experiments in the same ph of solutions as adsorption experiments show that the desorption coefficient is bigger than the adsorption coefficient, so the adsorption of neptunium on silica gel in nitric acid belongs to irreversible process

    用239np溶液進行上述實驗后,又用239np與237np的混合溶液或237np溶液進行了上述部分實驗以比較微克量的237np和示蹤量的239np在硅膠上的吸附行為。
  3. Lewis relationship has been suggested to evaluate the surface mass transfer coefficient using the average surface convective transfer coefficient. in addition, a practical analytic technique for testing the surface mass transfer coefficient is proposed and the values of he surface mass transfer coefficient have been given for the particular desorption and absorption test and validated against lewis relationship results. indoor temperature and humidity evaluation equations of adobe buildings considering the moisture absorption and desorption by interior materials have been proposed based on the analysis of the indoor dynamic thermal and moisture process

    通過理論解析和實驗測試定量地研究了生土建築圍護結構表面吸放濕效應,首次提出了以空氣濕度( kg / kg )為驅動勢差的圍護結構表面吸放濕量計算公式,該公式較適用於工程計算,從而為使建築濕環境研究成果逐步應用到建築工程實踐中奠定了理論基礎和提供了簡便演算法;通過對國內外關于表面質交換系數確定方法的研究成果的分析,提出用lewis關系計算生土建築圍護結構表面質交換系數;在實驗室環境下,對生土建築圍護結構表面質交換系數進行了測試方法研究,測試結果和利用lewis關系得到的數值較接近。
  4. Based on the analysis of gas - solid multiphase catalytic reaction, the chemical reaction model is established. when the reaction is controlled by the chemical dynamic, the reaction rate is introduced by consideration of the adsorption and desorption effects. when the reaction is controlled by mass transfer, the diffusion coefficient is established which can present the flow rate increases in small reynolds domain ; for the internal diffusion, the internal diffusion coefficient is derived, and then the internal diffusion is coupled with chemical reaction to represent the phenomenon that the diffusion and the chemical reaction occur cocurrently

    本文在考慮催化轉化器載體內發生的傳熱傳質現象的基礎上,建立了催化轉化器的一維單孔道和三維多孔道傳熱傳質模型;在分析載體內以氣-固多相催化反應為特點的工作機理的基礎上,建立了催化轉化器的化學反應模型:當催化轉化處于化學動力學控制區時,引入了考慮吸附、表面反應和脫附的表面化學反應速率公式,當催化轉化處于質量輸運控制區時,引入了決定外擴散能力的擴散系數公式和和決定內擴散速率的內擴散系數公式,並與化學反應速率相耦合,得出由擴散過程決定的化學反應速率公式。
  5. Influences of ph values, ferrous minerals ( reduced iron powder or magnetite ), bentonite, concentration of cations and anion ( fe3 +, fe2 + and co32 - ) on the distribution coefficient, kd, were studied. the sorption mechanism of 99tc on granite was discussed by the desorption method of adding h2o2 into desorption solvent. based on the diffusion coefficient measured and the solution of the diffusion equation, the distance of tc diffusion after ten thousand years was predicted

    本文分別在大氣和低氧條件下,研究了tc在花崗巖上的吸附和擴散,包括溶液的ph 、含鐵礦物(還原鐵粉、 fe3o4 ) 、膨潤土、陰陽離子的濃度( co32 - 、 fe3 + 、 fe2 + )對tc在花崗巖(石英、黑雲母)上吸附kd值的影響;在解吸劑中加入h2o2 ,對tc進行解吸,探討了其吸附的機理;將擴散系數代入擴散方程的解析解,預測了10000年後, tc擴散的距離。
  6. In this paper, the performance of adsorbing and retarding 125i ( substituted for 129i ) for mixed materials as buffer, backfill material was investigated, the distribution coefficient kds by batch sorption experiments were determined for four kinds of minerals and one kind of bentonite under atmosphere, iodine sorption and desorption on several mianerals were studied under low oxygen ambience at first time in the domestic, and apparent diffusion coefficient da of 125i ~ was determined for mixed minerals under atmosphere

    在大氣條件下用批式實驗法研究了放射性125i - 、 125io3 - (用i - 125代替i - 129 )在黃銅礦、方鉛礦、黃鐵礦、辰砂上的吸附和解吸行為,並且在國內首次研究了低氧條件下碘在幾種礦物上的吸附和解吸行為;在大氣條件下,用恆定源擴散法研究了125i -在方鉛礦與膨潤土組成的混合材料中的擴散行為。
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