氧的吸附 的英文怎麼說
中文拼音 [yǎngdexībù]
氧的吸附
英文
oxygen adsorption-
( 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，以預平衡水做解吸劑時， tc難于解吸下來，隨著h2o2濃度的增大，解吸率升高，得出tc在花崗巖上的吸附為不可逆的氧化還原吸附機理。This paper reviews the formation and feature of iron and manganese plaque, alleviation of metal ( loid ) toxicity via adsorption and accumulation, eutrophication purification, plant acid proof and barren resistance
文章綜述了植物根表鐵錳氧化物的形成與特徵，對有害金屬和類金屬污染物、有機污染物的吸附和富集作用，對富營養化水體的凈化作用，以及提高植物的耐酸和耐貧瘠能力。Study on sorption of radioactive technetium on stibnite under aerobic and anaerobic conditions
大氣與低氧條件下鍀在輝銻礦上的吸附行為和機理研究( 1 ) for the first time, compositing the chemical compounds of alkaline - earth metal with the adsorption material, 13x molecular sieve, silica gel, and activated alumina to gain a series of composite adsorbents with good performance that higher adsorption capacity and lower regeneration temperature and suitable for adsorption refrigeration systems that can be driven by low - grade thermal energy
首次將堿土金屬化合物及其鹽類與傳統吸附材料13x分子篩、硅膠和活性氧化鋁等復合，制取具有較高吸附量和較低再生溫度的適合於以低溫熱能驅動的吸附製冷過程的一系列優良復合吸附劑。分別在自製的吸附製冷、除濕製冷模擬實驗裝置上，測得該系列復合吸附劑與水和乙醇組成的吸附製冷工質對的吸附製冷性能以及除濕製冷性能均優于傳統吸附劑（ 13x ，硅膠和活性炭） 。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
採用高錳酸鉀氧化預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吸附;選取異丙醇作為預凍液中的分散劑，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吸附和分散;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，使得前軀體離子吸附量增大，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。The adsorption of n - acylsarcosine at magnetite nanoparticle surface
酰肌氨酸在四氧化三鐵納米顆粒表面的吸附特徵At the existence of batio3, the pan / batio3 nanocomposite are prepared by in situ complex technology. the shape of complex is not regular and their mean size is in the range of 1 ~ 2 u m there are chemical bond between pan and batio3 in pan / batio3 nanocomposites, for the complex mechanism of pan with batio3 nanoparticles, first, there are complex between pan and batio3 nanoparticles. pan have the function of cohering batio3 nanoparticles
乃o3納米粒子的原位復合過程中，首先是an單體與batio3納米粒子相互作用，由於鈦酸鋇權于的存在，苯胺單體首先吸附在鈦酸鋇粒子表面，當過硫酸鉸加入溶液中時，聚合過程首先在這些氧化物的表面進行，這導致了聚合物對鈦酸鋇粒子的吸附及圍繞鈦酸鋇粒子的受限生長。12 qin yong chao *, yi ping hang, bin hu, zucheng jiang adsorption behavior of noble metal ions ( au, ag, pd ) on nanometer - size titanium dioxide with icp - aes. analytical sciences, 2003, 19, 1353
14李春香、秦永超* 、梁沛、胡斌、江祖成用等離子體原子發射光譜法研究納米二氧化鈦對鎢酸根離子的吸附行為，分析化學， 2001 ， 29 （ 12 ） ， 1419 - 1422The exchange rates of po4 - p in the east china sea were correlated with the temperature, ph of the seawater and mainly influenced by the reaction at the surface of the sediments. the exchange rates were controlled by the do and ph. it was shown that relationships between the exchange rates of no3 - n, no2 - n and nh4 - n and the potential environmental controls were complicated
Po _ 4 - p在沉積物?海水界面的交換作用受擴散過程的影響不大，而界面上的反應，如fe氧化物對摘要p04一p的吸附和解吸，可能是po4一p交換速率的主要控制過程， do濃度和ph值可能是主要的控制因子。The technology involved in providing a continual stream of high purity nitrogen is pressure swing adsorption. this technique uses a bed of carbon molecular sieve to selectively remove oxygen and other contaminants from atmospheric air
碳分子篩從空氣中分離氮氣的原理是根據空氣中氧和氮在碳分子篩中不同的擴散速度或不同的吸附力以及兩種效應同時起作用的結果。Its catalytic current was linear with the concentration of h2o2. most of interference was effectively eliminated and the inactivity of hrp under the too low potential to catalytize the reduction of h2o2 was avoided due to the enhanced potential of nr by zp in the composite film. while the silver colloid in the composite film enhanced the capability of zp to adsorb nr and prevented effectively nr from leaching off
4 、上修飾電極與辣根過氧化酶相耦合製成酶電極，顯著的催化了過氧化氫的還原，磷酸鋯提高了中性紅的氧化還原電位，大大的降低了測定的干擾，並有效的避免了辣根過氧化酶在過低的還原電位下失效，納米銀增強了膜對中性紅的吸附，有效的防止了其流失。The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion
本文的實驗主要是在天津芥園水廠的中試系統上完成的，論文的成果和結論主要包括： 1 ）通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種； 2 ）中試實驗確定粉末活性炭的較佳投加點為混合池投加，較佳投加量為10mg l ，此時可使濾后水的cod _ （ mn ）降低40 ，且可較好地控制濾后水的嗅味和色度； 3 ）初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內，投量增大時可吸附部分分子量大於6000的有機物4 ）中試實驗表明：粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果，且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用； 5 ）研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響：粉末活性炭的氧化改性會使其表面的酸性官能團大量增強，表面極性增加；經20的過氧化氫改性的活性炭在增大混凝劑投加量（ fecl _ 3投量為15mg l ）時對有機物的總體去除效果較原活性炭提高12 ， 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ； 6 ）研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響：經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ；負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力，一般可提高8左右。The correlations between the arsenate uptake ability of fe - oxyhydroxide - montmorillonite complexes and the duration of adsorption, initial concentration of arsenate, ion strength of the solution, acidity and temperature of environment are investigated and compared to the adsorption of arsenate on to montmorillonite and fe oxyhydroxide. results stow that fe - oxyhydroxide - montmorillonite complexes have a strong affinity for arsenate species under experimental conditions, which is supposed to influence the behavior of arsenate in soil
結果表明，蒙脫石復合體對砷酸根離子的吸附能力雖然略弱於水合氧化鐵，但卻明顯強于原鈣蒙脫石；吸附時間和砷初始濃度是影響復合體砷吸附量的主要因素；對于陳放時間不同的復合體來說，隨著復合體中鐵含量的增加，其對砷的吸附率及吸附容量均增大。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 :吸附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 :表面的吸附行為，解釋了納米金屬簇在金紅石型tio :表面吸附的行為，預測了納米金屬團簇在表面生長的機理。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。Preparation of nascent manganese dioxide and discussion on the mechanism of oxidative adsorption to arsenic
新生態二氧化錳懸濁液的制備及對三價砷氧化吸附機理的探討The redox potentials of chloroform are more than 500mv and electrosorption is only controlled by electric field and adsorption of granular activated carbon. the tests of adsorptions also testify it. the freundlich isotherm equation q = kc n is used for fitting the data
另外，氯仿的電解氧化還原電位大於500mv ，因此，此電場范圍不會分解氯仿，回收率實驗與色譜分析也證明了電場只對活性炭的吸附起催化作用，而不改變吸附劑與吸附質的內部性質。Adsorption and removal of organic impurities in ultra purity hydrogen peroxide preparation
超純過氧化氫制備中有機雜質的吸附凈化技術進展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。Abstract : activated carbon fibers were treatment by the method of gas and liquid oxidizing processes. the effect of surface acidity and surface polarty were transformed. oxidative property of acf on so2 adsorpt ion was studied by chemical treatment. it can be seen from the experimental results t hat the higher are the surface acidity and polarity, the more so2 are adsorbed
文摘:通過對活性碳纖維的氣相氧化和液相氧化處理，改變了活性碳纖維的表面酸性和極性，研究了化學改性對活性碳纖維吸附性能的影響.結果表明，改性后的活性碳纖維對so2的吸附能力明顯增強分享友人