surface degradation 中文意思是什麼

surface degradation 解釋
表想退解
  • surface : n 1 表面;地面;水面;廣場,空地。2 外觀,外表,皮毛。3 【幾】面;切口;【航空】翼面。adj 表面的...
  • degradation : n. 1. 降級;免職。2. 退化;墮落。3. 【地質學;地理學】(地表的)剝蝕。4. 【化學】降解,遞降分解(作用)。5. 【物理學】(能的)退降。
  1. After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil

    實驗室對四川內江、樂山和雲南元謀不同類型紫色土表層和亞表層微生物數量特性的比較分析表明:土壤有機質、氮磷鉀全量及其速效量均表現為表層高於亞表層,與紫色土類型和利用方式無關;三大類土壤微生物細菌、放線菌和黴菌數量均表現出表層高於亞表層,表明紫色土表層的有機質和通氣性優于亞表層,適宜於這三大類微生物生長;溫濕氣候條件下的四川盆地和乾熱氣候條件下的雲南元謀其紫色土微生物數量的剖面變化具有相同的趨勢,唯土壤營養狀況在四川盆地紫色土中表現為表層優于亞表層,而在雲南元謀紫色土中由於表層土壤的退化作用表現為亞表層優于表層的相反情況。
  2. The bacilliform cell penetrate into interior of the fibre to degrade the cellulose strongly and produced a mass of sticky polysaccharides. after cultured 48 hours, the bacilliform cell ' s surface of sporocytophaga have a great change. at this stage the bacilliform produce a lot of sticky polysaccharides. these sticky polysaccharides associated with the sites where the filter paper was decomposed intensively and form thorns on the surface of the bacillium. at the same time, the filter - paper weight loss is the greatest and decomposing rate is the fastest, so we think that the sticky polysaccharides are produced during the cellulose degradation

    培養48小時,桿狀細胞的表面結構發生很大的變化,此時的菌體表面已產生大量的粘性多糖,這些粘性多糖因菌體在纖維素表面滑動而在菌體表面形成突起,即在纖維素被旺盛降解部位的菌體表面產生了大量突起;而產生突起的菌體深入到纖維素分子內部,纖維素表面可以清晰地看到由於菌體嵌入纖維素分子內部而留下的凹陷。
  3. Through monitoring the growth of wetland plants mainly common reed and cattails and assaying o g and tph in soils according to timelapse, the function of wetland degrading oil pollution was validated. the petroleum pollutants in the surface layer of soil were decreased by eluviations and degradation

    通過監測濕地植物蘆葦香蒲等的長勢和化驗土壤中總石油烴tph及油和脂o g隨時間的變化,以探討濕地狀態對石油污染和植物長勢的影響。
  4. Through monitoring the growth of wetland plants mainly common reed and cattails and assaying o g and tph in soils according to time ? ? lapse, the function of wetland degrading oil pollution was validated. the petroleum pollutants in the surface layer of soil were decreased by eluviations and degradation

    通過監測濕地植物蘆葦香蒲等的長勢和化驗土壤中總石油烴tph及油和脂o g隨時間的變化,以探討濕地狀態對石油污染和植物長勢的影響。
  5. The oxide and reduce potential and the dopant concentration. the experiments of degradation methyl blue a1so showed that the photocatalytic activity could be greatly improved with vzos - loaded tio2, maybe that loading v2o5 would accelerate the electron captured and charge transferring, change the samp1e surface hydrophilic and absorption

    納米tio _ 2 - v _ 2o _ 5復合光催化劑對次甲基藍的降解實驗表明,復合v _ 2o _ 5后tio _ 2可以加速電子捕獲和電荷遷移速率,改變了樣品表面吸附親合力,使降解效率相比純tio _ 2有很大提高。
  6. Influence of doped cerium on degradation efficiency of oleic acid photocatalyzed by tio2 film coated on glass surface

    2薄膜上油酸光催化降解的影響
  7. Nanometer tio2 particles were well distributed in ni - p plating layer on steel surface by electroless plating. " the study showed their effects on photocatalytic degradation for methylene blue were equa1 to the tio2 powder capability of photocatalytic

    同時本文利用化學復合鍍在鋼鐵基體上形成ni - p -納米tio _ 2復合鍍層,該復合鍍層對次甲基藍有較好的光催化降解作用,其催化性能與粉末狀納米tio _ 2的催化性能大致相當。
  8. The research results mainly show : ( 1 ) the ecological degradation characteristics of wuxi county include : some soil is thin and barren and its water and fertility conservation abilities are poor, gradual degradation of soil results in decrease of vegetation diversity and the vegetation community structure gradually inclines tc simplicity from complexity. the types of soil and water loss in wuxi county mainly involve surface erosion and gully erosion. according to investigation, surface erosion area occupies 80 % or so or erosion area, in which the slope farmlands surface erosion area accounts for about 70 % of farmland erosion area

    研究結果主要包括: ( 1 )巫溪縣生態退化特徵表現:作為生物生長基質的部分土壤薄而貧瘠,保水保肥能力差,部分地區基巖裸露,土壤的不斷退化導致植物種多樣性減少,植物種群結構逐步由復雜趨向簡單化;縣內水土流失的類型主要包括面蝕和溝蝕兩大類,據調查,面蝕面積占侵蝕總面積的80左右,其中坡耕地面蝕佔耕地侵蝕面積的70左右。
  9. Large - scale changes of landscape structure cause the degradation of functions of storage and drainage in watershed wetland, which are reflected by loss of flood holding capacity, increase of surface runoff and decrease of confluence time etc

    景觀結構的巨大改變引起了流域濕地貯、排水功能的衰退,主要表現為滯洪、消能空間的喪失,徑流量的增加和匯水時間縮短等。
  10. Study the degradation properties of scaffolds, and ethanol disinfection effects on its physical properties. modify the material surface function and improve the hydrophilic ability. construct cytokine control - release system in foamy scaffolds that sustained release growth factors

    針對支架進行基本降解性能研究,考察plga支架在醫用酒精消毒過程中物理形態改變;在此基礎上對支架內部進行改性並構建細胞因子控制釋放系統,優化材料表面特性、改善支架的親水性並穩定釋放細胞因子。
  11. Sporocytophaga is a kind of bacteria that can glide on the surface of solid medium. this strain can decompose the cellulose strongly. lt can grow on the surface of cotton and fiter paper, and produce large amount of extracellular polysacchrides during the cellulose degradation. the sporocytophag can only produce a low extracellular carboxymethyl - cellulase ( cmc ) activity and no other extracellular cellulase activities. so the sporocytophaga has a special mechanism of cellulose degradation

    生孢噬纖維細菌通過與纖維素物質的緊密粘附作用而強烈地降解纖維素;但該菌只能測到極低的胞外cmc酶活,而沒有其他的胞外纖維素酶活,因此該菌有特殊的纖維素降解機制。
  12. The basis of these technologies is cellular matrix. it must have biocompatibility, surface compatibility, structure compatibility. biodegradation, and it also can be sterilized. because people can control the synthetic matrix appearance, dimension, intensity degradation rate and three dimensional, they used to use it. but it also brings biocompatibility and infection

    過去所用的支架一般為合成支架,它的優點是人們可以隨心所欲地控制支架的形態、尺寸、強度、降解時間、降解速度及三維結構,並可成批生產,但也帶來了諸如:生物不相容性,感染問題等,而且合成支架在表面相容性和結構相容性上有諸多不盡如人意之處。
  13. Tower : the boarding. of tower body is made of made of quality glass reinforced plastics, and the surface of the boarding is of advanced colourful imported gel coats, carrying with characters such as corrosion - resistance, degradation - resistance and not easily colour - fading

    塔體:圍板採用玻璃鋼,表面採用高級彩色進口膠衣,外觀光潔明亮,具有耐腐蝕,不易老化,不易褪色等特點。
  14. Nano - iron particles are used in degradation of organo - chlorine including chloro - aliphatic hydrocarbon, chloro - aromatic hydrocarbon, chloro - phenol and some organo - chlorine pesticides based on their unique specifications such as large specific surface areas and high reduction activities

    摘要納米鐵顆粒體積小,比表面積大,具有優越的吸附性能和很高的還原活性,在有機氯廢水處理方面應用廣泛。
  15. This paper presents the mechanism research on the decontamination of air pollution by plants in recent years, mainly including the following : absorption and sorption of stoma and cuticle on leaf surface, plant metabolism and enzyme redox, and degradation by plant in combination with bacteria in root

    摘要介紹了植物去除空氣污染物的研究現狀及機理,主要包括:通過葉表面的氣孔和表皮吸收、吸附;植物體內代謝或者分泌酶催化氧化還原進人體內的污染物;通過植物聯合根系微生物降解由於干濕沉降進人土壤或者水體中的污染物等。
  16. The results indicate that pet fibers are very susceptible to degradation, causing a large deterioration in stress and strain and surface morphology is modified to a great extent

    結果表明,紫外輻射后的聚酯纖維強伸度大幅度下降,表面形態發生了很大的變化。
  17. ( 5 ) simplified calculation method without considering degradation of bond strength and response surface method using analysis output by fem is carried out to calculate the time - dependent reliability of corroded structure separately. the influence of chloride diffusion rate and steel corrosion ratio on structure reliability is discussed. the applicable scope and the calculation difference between the two methods are compared

    ( 5 )分別採用不考慮混凝土與銹蝕鋼筋之間粘結力減弱的簡化方法和利用非線性分析結果的響應面方法計算銹蝕鋼筋混凝土結構的時變可靠度,研究了氯離子侵蝕速率、鋼筋銹蝕率對結構可靠度的影響,並分析比較了這兩種可靠度計算方法的適用范圍和計算差異,為混凝土結構基於可靠度的耐久性鑒定提供了實用判別方法。
  18. Roadbed construction on permafrost will give substantial disturb for the heat and mass transfer balance between the ground surface and atmosphere, usually, roadbed construction increases the amount of absorbed heat via vegetation removal, solar radiation and increased role of water activities in the adjoining area, then cause the local degradation of the permafrost underneath, as a result may lead to damage of the roadbed

    多年凍土區道路的修築,改變了原來天然地表與外界的熱交換關系,通常由於地面植被的破壞、太陽輻射和水的影響,導致進入地層中的熱量增加,引起多年凍土區凍土的融化,從而導致路基面破壞。
  19. It results in great degradation of the properities of spacecraft surface materials such as the solar absorptance increase of thermal control coatings, mechanical properties damage of thin films, et al

    它會導致航天器的表面材料性能發生極大的退化,例如熱控塗層太陽吸收率上升、薄膜材料機械性能變壞、變脆等等。
  20. 3. the variation of formation compression during uplift and degradation the uplift and denudation of basin have a greatly influence to the formation compression formed previously. the fashion of influence is related to the uniformity extent of degradation of the earth ' s surface

    3盆地抬升剝蝕過程中地層壓力的變化盆地的抬升剝蝕對前期形成的地層壓力有重要的影響,影響的方式與地表剝蝕的均勻程度有關。
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