水體復氧 的英文怎麼說
中文拼音 [shuǐtǐfùyǎng]
水體復氧
英文
reoxygenation by water body-
The experimental results of the catalysts such as p - toluene sulfonic acid, strongly acidic cationic exchange resin, sulfo - polyvinyl chloride resin ferric chloride hexahydrate, polyvinyl chloride - ferric chloride resin chlorinated polyvinyl chloride - ferric chloride resin, stannous chloride dihydrate, ammonium ferric sulfate dodecahydrate, ferrie sulfate - potassium thiosulfate, cerium sulfate tetrahydrate, sodium bisulfate monohydrate potassium bisulfate, neodymia solid super acid and heteropoly acid for catalytic synthesis of ethyl chloroacetate were reviewed
摘要評述了對甲苯磺酸、強酸性陽離子交換樹脂、磺化聚氯乙烯樹脂、六水三氯化鐵、聚氯乙烯三氯化鐵樹脂、氯化聚氯乙烯三氯化鐵樹脂、二水氯化亞錫、十二水合硫酸鐵按、硫酸鐵硫代硫酸鉀復鹽、四水硫酸鈰、一水硫酸氫鈉、硫酸氫鉀、三氧化二釹、固體超強酸和雜多酸等催化劑催化合成氯乙酸乙酯的實驗結果。The complex formed by cnbr - activated alginate and antibody is aggregated to the surface of the paraffin - graphite - chitosan electrode by electrostatic adsorption ( coacervation ). the concentration of sjag can be detected by determining the redox current of o - aminophenol, which oxidized by h2o2 in the presence of hrp. moreover, the immunosensor shows some improved performances including high sensitivity, selectivity and less non - specific adsorption
褐藻酸鈉?抗體復合物通過靜電吸附作用被凝集到含石墨?石蠟?殼聚糖組分的電極表面，然後與抗原和酶標抗原進行競爭反應，以鄰氨基酚為電子媒介，通過測定酶催化下雙氧水對其氧化的電流大小來間接測定抗原的濃度。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。Under uv - irradiation of the xw11 / sio2 ( x = p, si, ge ) composite films, all as - synthesized films exhibited high photocatalytic activity on the degradation of aqueous formic acid ( fa ). it has been shown that aqueous fa can be totally degraded into co2 and h2o. the photocatalytic reactions followed langmuir - hinshelwood first - order kinetics
結果表明，在溫和條件下（常溫、常壓和自然酸度） ，用近紫外區的光能輻射以上體系時，三種多金屬氧酸鹽復合膜材料都具有較高的活性，而且fa可被完全礦化為二氧化碳和水。The epoxy resin modified by polysiloxane have the advantage of both polysiloane and epoxy resin, it have good heat - resistance, moisture - resistance, dielectric properties. to improve the heat - resistance and the strengthening of the composite, nano - sio2 has been add into the reaction system to modify the epoxy resin with polysiloxane
這種復合基體能有效得利用有機硅樹脂優異的耐熱性、耐候性、電絕緣性、憎水性、阻然性及耐寒性能，同時又具有環氧樹脂良好的粘結性、耐溶劑性及配伍性等優點。In the field of the phytoremediation of copper pollution, submerged macrophytes are focused less than the terrestrial plants. in this study, ceratophyllum demersum l. and cahomba caroliniana a. gray were used as the test plant. the following two aspects were investigated in vivo methods : 1 ) the toxicity effects of cu2 + on the three main antioxidant enzymes ( including cat, pod and sod ) of two submerged macrophytes were detected at different low doses and on the chronic exposure, in order to establish the dose - effect relationship and the time - effect relationship, and thereby acquire the toxicity threshold ; and 2 ) with two submerge macrophytes throng cultured individual or combined on the chronic exposure, it was found on the bcf of copper and the influence of interspecific relationships to the submerge macrophytes resistance or bioconcentration
本論文以兩種大型沉水植物金魚藻（ c . demersuml . ）和水盾草（ c . carolinianaa . ）為受試植物，從它們對水體中cu ~ （ 2 + ）的生物富集作用和動態，以及cu ~ （ 2 + ）對它們體內抗氧化酶的急性毒性效應和亞急性毒性效應兩方面進行了研究： 1 ）通過體內暴露不同劑量的cu ~ （ 2 + ） ，探討cu ~ （ 2 + ）對植物體內三種主要的抗氧化物酶（ sod ， pod ， cat ）的毒理效應，建立劑量?效應關系和時間?效應關系，以揭示沉水植物對cu ~ （ 2 + ）的抗性機制； 2 ）通過對金魚藻，水盾草單獨培養和共同培養的方式，分別研究了兩種沉水植物對cu ~ （ 2 + ）的生物富集系數及其動態以及兩種植物的種間關系對富集銅和植物耐性的影響，綜合評價了兩種植物在銅污染水體的植物修復中的應用前景。Based on advanced technology, this thesis bring forward the optimal scheme and set down general system - drawings and flow charts. using step7 - micro software, we achieve the auto - control aim in drinking water treatment. in practice, the complexity and non - linaerity exit in the system of water treatment, so we apply fuzzy control in water treatment and design a kind of controller which structure can be altered according to the using - rate of ozone and the variety of water quality
實際飲用水處理系統由於存在復雜性、非線性、時變性，本文根據臭氧生物活性炭水處理工藝存在復雜性、非線性、時變性等特點，將模糊控制應用在水處理這一不確定的非線性時變系統，針對不同水溫下臭氧利用率及水質的變化，設計一種基於系統過程狀態的變結構的模糊控制器，以單片機作為主要控制硬體，按查表方式設計軟體，對進水閥門開度進行在線控制，調節臭氧氣體與進水的比例（臭氧流量及濃度不變） ，達到氣水比最優化。Inorganic salts, such as a1 ( no3 ) 3, zrocl2, ticl3, et al. was used as raw materials and corresponding hydroxides were deposited on the surface of graphite particle with heterogeneous nucleation process ; composite particles of graphite / oxides were obtained after heat treatment. in this paper, preparing conditions and properties of composite particles were studied
本論文以無機鹽（硝酸鋁、氧氯化鋯、三氯化鈦等）為原料，在石墨的稀懸浮液中應用非均勻成核技術，使水解產物（水合氧化物）沉積到微米級鱗片石墨表面，經洗滌、烘乾和熱處理制備出石墨氧化物復合粉體。They have different properties from montmorillonite and fe oxyhydroxides such as larger specific area, different surface potential, etc. under the acidity, temperature and other conditions ( initial arsenate concentration, ion strength, duration of adsorption ) simulated to that of soil in tropical and sub - tropical area, the adsorption of arsenate on the prepared fe - oxyhydroxide - montmorillonite complexes were conducted
在參考實際土壤ph值和離子強度的條件下，分別以ph值、砷初始濃度、離子強度、吸附時間、吸附溫度為影響因素，進行了低聚合羥基鐵?蒙脫石復合體、蒙脫石原樣及水合氧化鐵吸附砷酸根離子的對比實驗；並用正交實驗方法，進一步研究了上述因素對復合體砷吸附能力的相對影響程度。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。The feasibility of copper matrix reinforced by cr2o3 particles was discussed from the aspect of the demand of composite on reinforcer, interface and its formation. crcu alloy powders prepared by water atomization were turned into cr2o3 / cu compound powders, which were made into composites
本文從復合材料對顆粒增強相的要求、復合材料的界面以及復合材料的成型等角度分析了cr _ 2o _ 3顆粒作為彌散強化相增強銅基體的可行性，採用水霧化法制備crcu合金粉末，並通過預氧化的方法得到cr _ 2o _ 3 cu復合粉末，運用粉末冶金法制備cr _ 2o _ 3 cu復合材料。Finally, some efforts were employed to eliminate the support al2o3, which is very difficult to remove after the crystallization of al2o3 during the synthesis process. it is proved that hydrothermal process is an effective method to remove al2o3
由於a12o :在碳管生長期間從非晶變為晶體，十分難去除，因而提純過程相對復雜，最終結果顯示水熱法對氧化鋁的去除是比較有效的，可作為進一步優化提純的基礎。The soil organo - mineral complexes, formed by intimate association of organic matters or humic substances and mineral, is one of the fundamental features that distinguishes soils from their geological parent materials, and effects on the nature of soil aggregate, and the amounts and characters of soil particle aggregation is closely related to soil fertility. by way of collecting soil samples outdoors and analysis indoors and using the dry land soils developed from purple soils as research materials, this paper investigated status of organo - mineral complexion, characters of aggregation and soil fertility for discussing the relationship among them under different land treatments, and the factors that influencing the amounts and characters of organo - mineral complexion and soil aggregation and restricting status of soil fertility, the main results were as follows : there were remarkable differences of status and activity of fe oxide and aluminum oxide in dry land soils developed from different parent soils and under different utilizations
土壤中有機物質和礦物質的結合?土壤有機無機復合體是土壤區別其母質的基本特徵之一，它對土壤團聚體的性質有很大的影響，而團聚體的數量和性狀有跟土壤肥力密切相關，本文以不同母巖發育的旱地紫色土作為研究材料，通過野外采樣和室內分析，研究了旱地紫色土的有機無機復合狀況、團聚體特徵和肥力水平，探討了在不同土地利用方式下它們之間的關系，以及影響有機無機復合、土壤中團聚體的數量、性質以及制約土壤養分狀況的因素，主要結果如下：不同類型的紫色土鐵鋁氧化物形態和活性具有很大差別。In this paper, using surface photovoltage spectroscopy ( sps ) and field induced surface photovoltage spectroscopy ( fisps ) as a dominated tool, we investigated the surface and interfacial electron structure, charge transfer character of two nanostructured composite system and the effect about atmosphere ( water and oxygen ) on the semiconductor nanoparticles
本論文利用表面光電壓譜（ sps ）和場誘導表面光電壓譜（ fisps ）為主要研究手段對兩類納米復合材料的表面和界面電子結構和電荷轉移特性以及空氣中水、氧物種等氣體分子對納米材料表面光伏性質的影響進行了探索性的研究。Were used to investigate the dehydration protection in the physiological and chemical levels represented by the changes of photosynthesis, sucrose, antioxidants and electrolyte leakage during desiccation and subsequent rehydration, and molecular mechanisms of dehydration tolerance by means of mrna differential display based on the studies of deng ' s
Br成熟植株的離體葉片為實驗材料，以光合作用、蔗糖、抗氧化劑系統和離子滲漏等在脫水復水過程中的變化為切入點，從生理生化水平上探討其耐脫水復甦的機制；同時應用mrna差異顯示技術，從分子水平上探討其耐脫水復甦的機制。Most scientists agree that the overall effect of the direct andindirect feedbacks caused by increased water vapor content of theatmosphere significantly enhances the initial warming that caused theincrease - that is, it is a strong positive feedback. ( [ 2 ], see b7 )
作為一種間接機制，水汽可以被認為處于溫室效應的正反饋環節中，即二氧化碳等人類排放的溫室氣體增加》導致地球平均溫度升高》加速水氣蒸發和增加空氣中水汽含量》溫度繼續升高= 》重復前面循環。 。 。Can be topcoated with epoxy or other as recommended. it can provide a excellent anti - corrosion and anti - water system
可以復塗以環氧面漆和其他推薦配套塗層。組成優異的防水防腐體系。A novel electrochemical synthesis process including process parameters, phase changes and microstructure, of nanosized single phase and composite titanium dioxide powders in aqueous solutions using the intermediate product - titanium tetrachloride from tio2 powder industry has been investigated, which is closely related to update the present tio2 powder production processes
結合我國鈦白粉現有工業生產技術，以鈦白粉工業中間產品? ?四氯化鈦為原料，研究一種新穎的納米尺寸單組分及復合二氧化鈦粉體水溶液電化學合成方法，以及制備工程的電化學工藝及其相變微結構規律。分享友人