預吸附 的英文怎麼說

中文拼音 []
預吸附 英文
preadsorption
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 動詞1 (把液體、氣體等引入體內) inhale; breathe in; draw 2 (吸收) absorb; suck up 3 (吸引) a...
  • : Ⅰ動詞1 (附帶) attach; add; enclose 2 (靠近) get close to; be near 3 (依從; 依附) agree to; ...
  1. Effect of preadsorption and shape selective desorption on methanol amination product distribution

    預吸附及擇形脫對甲醇胺化產物分佈的影響
  2. ( 4 ) tc is difficult to be desorbed when preequlibrated water is used as desorption solvent under aerobic and anaerobic conditions. under anaerobic condition, the desorption rate of tc rises with the increase of hach concentration it appears that the tc sorption process is dominated by oxidation - reduction mechanism

    ( 4 )在大氣和低氧條件下,以平衡水做解劑時, tc難于解下來,隨著h2o2濃度的增大,解率升高,得出tc在花崗巖上的為不可逆的氧化還原機理。
  3. One of wetland s function is to filter the pollutants. when the river goes through wetland with pollutants, the hydrophyte will slow down the speed of the stream and attract heavy metal so that those pollutants will steep in the ground. the chemical reaction of nitrogen and phosphorus from those water plants prevent water from oxidation

    濕地具有過濾污染物的功能,當河水挾帶著污染物流經濕地時,濕地上的水生植物,會使水流速度減緩,重金屬,且讓污染物沈澱在濕地的底部,並藉著植物留存氮和磷,來防水質優氧化。
  4. Prediction of adsorption isotherms with isosteric heat of adsorption

    等溫線
  5. It influences the miaow thiazole quinoline to lose slowly that the experiment is drawn the pharmaceutical loses slowly the factor of performance has temperature mainly, density, the membrane time in advance, and design many group ' s simulation systems for different influence of these three factors, is it is it should lose pharmaceutical to lose pharmaceutical slowly one positive pole type, lose performance is it is it form space location hinder after the membrane to absorb to come from mainly slowly slowly to appear to prove, thus isolated the carbon steel base body and corrode the medium

    實驗得出影響咪唑啉緩蝕劑緩蝕性能的因素主要有溫度,濃度,膜時間,並針對這三個因素的不同影響設計了多組模擬體系,驗證出該緩蝕劑是一種陽極型的緩蝕劑,緩蝕性能主要來自於成膜后形成空間位阻,從而隔離了碳鋼基體和腐蝕介質。
  6. The proposed method is applied to predict the purity of para - xylene ( px ) in a px fractionation by adsorption process

    將所提出的軟測量建模方法用於二甲苯( px )分離過程純度的測。
  7. These years, solid adsorption used in heat pumps and refrigerating / air - conditioning systems has been rapidly developed and saved energy because of the demands in the field of energy and environment. most of molecular sieve diameters lie within the nano - scale, but the classical condensation theories show some limitations in explaining the adsorption phenomenon in nanopores

    資料表明,經典傳熱傳質學的連續介質傳遞理論在解釋和測納米尺度微孔/脫過程的相變特徵方面,存在局限性,相比之下,分子動力學模擬能克服這一缺陷再現納米微孔中的過程。
  8. The dynamic adsorption apparatus was used to select adsorbents for pretreatment by utilizing fcc dry gas. experimental result shows that pericarp activated carbon made in chengde was more excellent

    採用動態實驗裝置以干氣為原料氣對處理劑進行了研究,發現承德果殼炭性能較好。
  9. Aluminum coagulation pretreatment enhances the uf removal of ha and greatly ameliorates the effect of ha on the membrane flux decline. at ph = 7. 0 the mechanism is adsorption of ha on the amorphous solid - phase al ( oh ) _ 3 ( s ), while at ph = 5. 0 the mechanism is charge - neutralization. in terms of the removal of ha ( toc, uv _ ( 254 ) ) and the membrane flux decline, the effect of coagulation under ph = 7. 0 condition turns out to be much better than that under the condition of ph = 5. 0

    Ph = 7 . 0條件下的混凝處理機理主要是鋁鹽高分子水解產物對腐植酸的網捕作用, ph = 5 . 0時的機理主要是帶正電荷低分子鋁鹽水解產物電中和作用,從toc和uv254的去除率以及膜滲透通量的變化情況來看, ph = 7 . 0條件下的混凝處理優于ph = 5 . 0 。
  10. Through the comparison between freeze - drying and heat - drying, the agglomeration and the desorption of the precursor on carbon support can be alleviated with freeze - drying method. the effects on the electrocatalysts by pretreatments of carbon support, dispersant and precursor are studied. the result shows that pretreatment of the carbon support by kmno _ 4 can add oxygen - containing functional groups on the surface of carbon, which can reduce the hydrophobicity of the carbon support, and then make it much easier for carbon to dissolve in water to form suspension ; isopropyl alcohol can make the carbon support in high dispersion in the precursor solution, which can make the precursor absorbed on the surface of the carbon

    採用高錳酸鉀氧化處理的碳載體比表面積較大,表面含氧官能團數量較多,親水性較好,有利於前軀體在碳載體表面的;選取異丙醇作為凍液中的分散劑,有利於碳載體在前軀體溶液中的分散,容易實現前軀體離子在碳載體表面的穩定和分散;使用酸性pt ( no _ 2 ) _ 2 ( nh _ 3 ) _ 2作為前軀體,可以使前軀體離子和碳載體表面的酸性含氧官能團發生離子交換反應,使得前軀體離子量增大,分散更加均勻,以上三種因素的選取都可以得到催化活性更高的pt / c催化劑。
  11. The contents of this paper include the following several aspects : ( 1 ) a model of the fractures leakage is built through counting and analyzing the wealthy geological records of hae field, and a model of the fracture water transporting is also built according to the fracture water condition of its recharge and its runoff and its discharge in hae field ; ( 2 ) this paper studies the chemical behavior and the migration parameters of the elenent sr2 + in ground water in hae field, the main contents include : the presence form of the element sr in ground water is analyzed by way of the rmodynamics ; the absorption mechanism that granite and sand stone absorbs sr element is analyzed based on theory and experiment test the diffusion parameters of the element sr in water and in granite and in sand stone are researched with laboratory experiment test ; the partition coefficient of sand stone and granite to sr is tested by the batch way

    其研究內容包括以下幾個方面: ( 1 )通過對我國hae選處置場豐富地質資料的大量統計和分析,建立了該處置場的基巖裂隙滲透模型。再根據hae選處置場基巖裂隙水的補給、徑流、排泄條件及水位動態特徵,建立了選處置場基巖裂隙水水運動模型。 ( 2 )對高毒性鍶元素在我國hae選處置場地下水中的化學行為和遷移參數進行系統的研究,其中主要包括運用熱力學方法分析了鍶元素在地下水中的存在形態,利用理論分析與實驗測試相結合的方法分析了花崗巖和砂巖對核素鍶的機制,採用室內實驗裝置研究了核素鍶在地下水中的擴散參數以及在花崗巖和砂巖中的本徵擴散參數,採用靜態批式法研究了鍶在砂巖和花崗巖中的分配系數。
  12. 6. the ratio of acidic amino acids to basic amino acids is high in all of the spongy body, acid - sm and acid - ism. there are high contents of glycine ( gly ) and serine ( ser ), which are usually related to the function of framework in the mineralization

    6 、氨基酸分析表明酸性氨基酸含量較高,與鈣的有關, gly和ser在背盾和不溶性有機質中高,示與文石形成相關的膠原和纖維蛋白物質含量高。
  13. 3. metal supported on ti02 ( 110 ) : calculation and simulation chapter 4, the properties of k, cu supported on the tio2 ( 110 ) surface have been studied by means of density functional theory, bare clusters models and embedded cluster model to using to obtain dft data and construct interatomic potential

    3 .納米二氧化欽負載金屬體系的計算模擬研究我們對納米金紅石型tio :k 、 cu金屬原子進行了dft研究,並模擬了金屬在納米金紅石型tio :表面的行為,解釋了納米金屬簇在金紅石型tio :表面的行為,測了納米金屬團簇在表面生長的機理。
  14. 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kd值的影響;在解劑中加入h2o2 ,對tc進行解,探討了其的機理;將擴散系數代入擴散方程的解析解,測了10000年後, tc擴散的距離。
  15. The purpose of the pre - treatments is to improve surface characteristics of the organism in relation to their metal adsorbing mechanism. we used cacla in the base of ion - exchange mechnism. we use aas and icp for elementsdetermination

    藻類的處理是基於海藻生物的機理對藻類進行酸堿處理或無機鹽活化等,本實驗中我們選擇了用cacl2進行無機鹽活化,測定方法採用了原子收與原子發射兩種。
  16. On - line fi displacement sorption preconcentration coupled with faas for trace sliver analysis in geological materials

    流動注射在線置換富集與火焰原子收聯用分析地質樣品中痕量銀
  17. Without ammonium sulphate fractionation and dialysis, the supernatant of crude extract was directly loaded on deae - sepharose cl 6b column equilibrated by phosphate buffer ( 50mmol / l, ph7. 8 ), and the enzyme fraction was not absorbed on the column but impurities were absorbed

    粗酶液無需硫酸銨沉澱及透析,即可引入磷酸緩沖液( 50mmol l , ph7 . 8 )平衡的deae - sepharosecl6b柱,上柱後用平衡緩沖液洗至基線穩定。 afpga不被而直接流出。
  18. The adsorption and desorption behaviors of a herbicide on soil is one of the important factors governing bio - availability and persistency of the herbicide, and play an important part in predicting its transport in soil and aquifer

    摘要除草劑在土壤上的和解行為是支配該除草劑的環境中的生物有效性和持久性的重要因素之一,同時對于測除草劑在土壤和潛層水中的運動也是有重要作用。
  19. Fourthly, a new high pressure gas mixing apparatus is established, and experimental procedures for gas mixing and multicomponent gas adsorption test are suggested. tests of multicomponent gas adsorption of ch4 + n2 and ch4 + co2 on different coals are performed, and the predicting model for multicomponent gas adsorption is optimized, which can guide the enhanced cbm recovery process by injection of co2 or n2 gas

    研製出混配氣裝置並建立了多組分實驗方法,進行了不同煤對ch _ 4 + n _ 2和ch _ 4 + co _ 2多組分氣體的實驗,討論了多組分氣體的變化規律並優選出多組分測模型,為注氣增產工藝提供了理論依據。
  20. In the function decision and structure design, the function and the flow of the wafer pre - alignment system are analyzed, the system architecture is selected and the precision of this system is analyzed, the driving mode and the system structure are fixed, and then the motor and raster are selected. at the same time, the structure of parts is designed on consideration of the request and the function of the vacuum grasping of wafer

    在總體方案和機構設計方面,分析了晶圓對準系統的功能與流程,選定了系統的整體方案,確定了系統各單元的驅動方式和機構形式,完成了驅動和檢測部分的選型,同時充分考慮機構中氣動部分的功能與要求,設計了對準單元的機構。
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