提高比表面積 的英文怎麼說
中文拼音 [dīgāobǐbiǎomiànjī]
提高比表面積
英文
increasing specific surface area- 提 : 提動詞(垂手拿著) carry (in one's hand with the arm down)
- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 提高 : raise; heighten; enhance; increase; improve; raising; lifting up grading; enhancement; hoist (in...
- 表面積 : superficial area
- 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
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The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm
以胸高斷面積代替種群生物量,分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究,運用改進單純形法對模型進行優化,擬合結果表明改進模型比logistic常規模型更符合南方紅豆杉種群的增長趨勢,南方紅豆杉種群的最大增長速度出現在第10齡級,即胸徑為68 76cm時期。The single function of biological reaction filler had been applied widely, which merely supplied the reaction place and the large amounts of microbe for biological reactor, though it had the large specific area and the surface character suitable for conglutinating microbe
目前應用的生物反應填料作用單一,只是通過較大的比表面積和宜於生物附著的表面性質,為生物反應裝置提供較高的生物量及為生物反應提供場所,但不能為生物反應裝置創造良好的傳質擴散條件。3. by thermo - activation treating, the crystal water and constitution water of sepiolite were further changed. changes of channels between crystals and porosity made the specific surface area of the products increase from 295. 39 m2 / g to 324. 67m2 / g
3 .經過熱活化處理使海泡石的結晶水和結構水進一步發生變化,晶間管道和孔隙度的改變使產物的比表面積由295 . 39m2 / g提高到324 . 67時/ g 。Use of mineral silicate as adsorbent in wastewater treatment is studied, which refers to its modification with different methods in order to improve the adsorption ability
摘要國內外許多學者對硅酸鹽吸附劑進行了改性研究,通過增大吸附劑的比表面積、改變表面化學性質、增強離子交換能力以及擴大層間間距等來提高吸附劑對污染物的吸附量。The interface behavior between essence and ethylene - vinyl acetate copolymer pallets was studied so that necessary data were obtained to guide the preparation of fragrant masterbatch. the adsorption type and wettability between essence and the copolymer pallets were analysed by measurements of fourier transform infrared spectrum, surface tension, contact angle and specific surface area. the technical factors affecting absorptivity such as the charge ratio, temperature, pressure and stirring speed were studied by series of adsorption experiments. the results showed that the adsorption of essence on the surface of ethylene - vinyl acetate copolymer pallets is physical in nature. essence couldn ' t moisten the surface of ethylene - vinyl acetate copolymer pallets absolutely, but it could be soaked into the surface of the pallets partly. adsorptivity could be increased by enhancing the temperature, pressure and stirring speed, but the extension of adsorption time had little influence on adsorptivity
研究了香精與乙烯/醋酸乙烯共聚物粒子之間的界面行為,以便為香型母粒的制備提供必要的理論依據.利用傅立葉變換紅外光譜、表面張力、接觸角及比表面面積等測定手段,分析了香精與載體之間的吸附類型和潤濕作用.並通過一系列吸附實驗,討論了配料比、溫度、壓力、攪拌等工藝條件對吸附量的影響.結果表明,香精在乙烯/醋酸乙烯共聚物粒子表面的吸附為物理吸附;香精無法完全潤濕載體粒子表面,但可以對其形成部分浸潤;提高溫度、壓力、攪拌速度可以增加吸附量,而延長吸附時間對增加吸附量貢獻不大Abstract : the interface behavior between essence and ethylene - vinyl acetate copolymer pallets was studied so that necessary data were obtained to guide the preparation of fragrant masterbatch. the adsorption type and wettability between essence and the copolymer pallets were analysed by measurements of fourier transform infrared spectrum, surface tension, contact angle and specific surface area. the technical factors affecting absorptivity such as the charge ratio, temperature, pressure and stirring speed were studied by series of adsorption experiments. the results showed that the adsorption of essence on the surface of ethylene - vinyl acetate copolymer pallets is physical in nature. essence couldn ' t moisten the surface of ethylene - vinyl acetate copolymer pallets absolutely, but it could be soaked into the surface of the pallets partly. adsorptivity could be increased by enhancing the temperature, pressure and stirring speed, but the extension of adsorption time had little influence on adsorptivity
文摘:研究了香精與乙烯/醋酸乙烯共聚物粒子之間的界面行為,以便為香型母粒的制備提供必要的理論依據.利用傅立葉變換紅外光譜、表面張力、接觸角及比表面面積等測定手段,分析了香精與載體之間的吸附類型和潤濕作用.並通過一系列吸附實驗,討論了配料比、溫度、壓力、攪拌等工藝條件對吸附量的影響.結果表明,香精在乙烯/醋酸乙烯共聚物粒子表面的吸附為物理吸附;香精無法完全潤濕載體粒子表面,但可以對其形成部分浸潤;提高溫度、壓力、攪拌速度可以增加吸附量,而延長吸附時間對增加吸附量貢獻不大Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy
陶粒濾料是以精製陶土為主要原料,摻加適量改性劑,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境有害的物質.其表面堅硬,粗糙,內部疏鬆,多孔,具有機械強度高,比表面積大,孔隙率大的特性.用於水處理中,具有表面性狀好,截污能力強,過濾水頭損失小,反沖洗耗水量低,化學穩定性和生物學穩定性好,使用壽命長的特點.陶粒濾料是一種能增加水產量,提高出水質量,節省藥劑和能耗的新型高效過濾材料Therefore it is reasonable that special surface of steel - making slag powder is controlled in the rang between 450 - 500m2 / kg. furthermore, when special surface of different steel - making slag powders are close, steel - making slag powder, which surface is attached lot of fine particle powder or which degree of roundness is high, has higher cementitous property
實驗結果表明,提高比表面積可提高鋼渣粉的膠凝性能,但當比表面積超過500m ~ 2 kg時,鋼渣粉的膠凝性能提高已不顯著,鋼渣粉的最佳比表面積應控制在450 500m ~ 2 kg之間;比表面積相近時,表面有細小顆粒吸附且顆粒圓形度高的鋼渣粉有相對較高的膠凝性能。Generally speaking activity of steel - making slag is higher than first grade fly ash. influence of special surface and particle morphology of steel - making slag powder on cementitous property is studied by experiment. results show that cementitous property of steel - making slag powder increase with increase of its special surface, but increase of cementitous property is not obvious when its special surface is beyond 500 m2 / kg
實驗結果表明,提高比表面積可提高鋼渣粉的膠凝性能,但當比表面積超過500m ~ 2 kg時,鋼渣粉的膠凝性能提高已不顯著,鋼渣粉的最佳比表面積應控制在450 500m ~ 2 kg之間;比表面積相近時,表面有細小顆粒吸附且顆粒圓形度高的鋼渣粉有相對較高的膠凝性能。Too much cnts contributed no effect in the improvement of overall performance of the batteries. the batteries with nano - scale coo shows better active properties, the addition of nano - scale coo further the conductivity of the nickel electrode, thus lower the internal resistance of the batteries, higher discharge voltages are achieved accordingly. for the formation of the better conductive net of coooh, the effectivity of discharge rise, that contributes positive effect to the high rate capability of the batteries
浙江人學碩十學位論文摘要正極添迦納米coo的ni / mh電池具有較好的活化性能,納米coo更好地增強了鎳正極的導電性,進一步減小了電池的內阻;正極添迦納米coo的ni / mh電池還具有較高的放電平臺;由於納米coo的納米結構,以及相對于普通c00更大的比表面積,會在堿液中溶解形成更均勻緻密的co0oh導電網路,從而提高了放電效率,對電池的高倍率性能也有積極的影響。On the other hand, under the force of mechanical, the carbon and cao & sio2 superfine powder are obtained ; the specific surface area of these particles is increased. the tem photos indicated that, the carbon particles are composites on the surface of the melting superfine particles uniformly
另一方面,在機械力作用下,碳黑及cao sio _ 2的熔融顆粒被超細粉碎,比表面積增大,同時tem照片顯示,中超碳黑均勻地復合於超細熔融顆粒表面,並有逐步嵌入的趨勢,提高了碳的有效利用率,降低了保護渣的熔化速度。A composite electrode material comprising carbon nanotube and transition metal oxide may meet both the powerand the energy requirements. the properties of supercapacitor utilizing carbon nanotube as electrode material are studied
通過充分利用其較大的比表面積和適宜的孔徑,可望得到大容量、高功率的超級電容器,與過渡金屬氧化物復合更能提高其綜合性能。The appropriate addition of polymers into oxygen storage materials can improve the osc obviously and can make the samples become high - temperature - resistant materials with favorable surface area even after aged at high temperature
研究表明適量聚合物的添加可以明顯提高儲氧材料的儲氧性能和抗高溫老化性能,使樣品在老化前後的比表面積得到更好的保持。Systemic study had been done in this work on the high - crystallinity selecting, impurity removing, acid - activation treating and memo - activation treating of the sepiolite mineral. the specific surface area and activation center of the sepiolite were increased greatly, which endowed the materials with properties as catalyzer earrier. in addition, due to the largely improvement of the main properties of sepiolite such as adsorption properties and catalyzing properties, this novel type of sepiolite would achieve wider application in the field of industry, agriculture, environment protection and so on
通過對海泡石礦物進行高結晶度選擇,除雜、進行酸活化處理和熱活化處理等四個方面的系統研究,海泡石的比表面積和活化中心達到大幅度提高,使海泡石達到作催化劑載體的目的,而且由於海泡石的主要性能吸附性能和催化性能大幅度提高,使海泡石在工業、農業、環保能得到更廣泛的應用。Modifying biosensor with multi - walled carbon nanotube ( mwnt ) could raise the sensitivity and enlarge sensitive range of the sensor. mwnt were thought to enhance this response in the two sides
納米碳管有很大的比表面積,具有相當好的生物催化特性。實驗結果表明納米碳管修飾生物酶傳感器能大幅度提高生物酶電極的敏感性和敏感范圍。To activate carbon products, with the reaction pressure increasing, bulk density lowered, iodine number and methylene blue adsorption increased, specific surface area and pore volume increased and more micropores were formed
隨著反應壓力的提高,活性炭產品的堆比重降低,碘和亞甲藍吸附值提高,比表面積和孔容提高,形成更多的微孔結構。In the design and fabrication of biosensor, the development of a simple and effective strategy for the construction of sensitive membrane on the electrode is a crucial step. nano - crystalline particles, exhibiting a large surface area with diameter less than 100 nm, high surface - activity, good biocompatibility, strong adsorption and great efficiency of catalysis, might be favorable for constructing biosensor
納米材料,因其具有大的比表面積、高的表面活性、強吸附力及高催化效率等優異特性,可在增加生物分子(酶、抗原或抗體等)的吸附量和穩定性的同時提高生物分子(酶)的催化活性,使傳感器的響應靈敏度得到提高。1. by means of the refining and purifying of sepiolite minerals, portions with low - crystallinity and impurity minerals which was not fit for being the catalyzer carrier were eliminated. the specific surface area of the refined sepiolite product increased to 236. 36m2 / g from the original 139. 66m2 / g
通過對海泡石礦物的精製提純,去除了礦物中不適宜作催化劑載體的低結晶部份和雜質礦物,使海泡石精製產物比表面積由139 . 66m ~ 2 g提高到236 . 36m ~ 2 g 。The research discovered that the nitric acid oxidation may remarkably increase, the activated charcoal surface acidic groups and bases the content, enhances the activated charcoal the superficial water affinity, falls to the phpzc value, and creates the activated charcoal structure to cave in the reduction which accumulates with the relative surface. thus in the activated charcoal adsorption drinking water has the slight pollutant performance to have the serious influence
研究發現:硝酸氧化可顯著增加活性炭表面酸性基團的含量,提高活性炭的表面親水性,降低phpzc (水溶液中固體表面凈電荷為零時的ph值)值,並造成活性炭結構塌陷和比表面積的減少。使活性炭吸附飲用水中有機物的能力大大降低。The decrease of active surface area in the anode caused by co2 accumulation is reduced through treating the diffusion layer and catalyst layer with ptfe, resulting in increased dmfc performance
通過對陽極擴散層和催化劑層的疏水處理,降低了陽極產生的co2導致的催化活性比表面積損失,有效地提高了電池性能。分享友人