自然聚合物 的英文怎麼說

中文拼音 [rán]
自然聚合物 英文
natural aggregate
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : Ⅰ形容詞(對; 不錯) right; correct Ⅱ代詞(如此; 這樣; 那樣) so; like that Ⅲ連詞[書面語] (然而)...
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
  • 自然 : 自然at ease; natural; free from affectation
  • 聚合物 : [化學] polymer; polymerizate; polymeric compound; polymeric substance; polymeride; polymerized su...
  • 聚合 : 1 (聚集到一起) get together2 [化學] (單體結合成高分子化合物) polymerization; polymerize 3 [生...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面理退化指標(有效土層厚度、有機質層厚度、質地、團體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的理利用及結構的調控管理提供依據。
  2. Glucose biosensors were then constructed by these nanocomposites, and their electrochemical properties had been explored. secondly, the self - assembled nanocomposite was formed by mwnts and biopolymer, and was used to study the electrochemical properties of nadh. and finally, the modified electrode which was formed by immobilizing small molecular onto electrode surface, was used to detect dsdna in the solution

    本論文首先,將多壁碳納米管( mwnts )與納米顆粒相結,制備的納米復材料用於構建葡萄糖生傳感器,並研究了它的電化學性質;後,將mwnts與生組裝制備的納米復材料用於研究nadh的電化學性質;最後,本文還將小分子組裝固定在電極表面,用於測定溶液中的dsdna 。
  3. Huang, x., liu, z. - x., “ solid - phase synthesis of 4 ( 1h ) ? quinolone and pyrimidine derivatives on a new scaffold - polymer - bound cyclic malonic acid ester ”, j. org. chem., 2002, 67 ( 19 ), 6731 - 6737

    國家科學基金面上重點項目: 「丙二酸環酯試劑參與的雜環化固相成」 ( 2001 - 2003 ) 。
  4. O - quinones then produce the well documented brown color by reacting to form compounds with amino acids or proteins, or they self - assemble to make polymers

    後,這些無色化就會我組,或與氨基酸或蛋白質發生反應,在蘋果組織內生成一些深色的次級產
  5. In this work, some species of palmae cultivated in the xiamen botanical garden had been selected to be analyzed their genetic diversity with rapd ( random amplified polymorphic dna ) technique. according to the result of genomic dna amplified with pcr ( polymerase chain reaction ), genetic distance and similarity between different palm species were calculated on nei " s estimate of similarity and genetic distance. a primary but first time research at the phylogenetic relationships of some genera and species, the molecular classification and identification of some puzzling species of palmae was carried out through upgma ( unweighted pair group mean average ) cluster analysis of the genetic distance together with comparative study of the morphological structure characteristics

    本文在初步調查分析了棕櫚科植在我國的分佈、引種馴化情況以及該類植在廈門地區栽培應用狀況的基礎上,首次採用rapd分子標記技術,對廈門萬石植園引種的一些棕櫚科植的遺傳多樣性進行了研究,根據pcr對基因組dna擴增的結果,用nei ' s相似性系數計算了不同植間的遺傳距離和遺傳一致度,通過對遺傳距離的upgma類分析,並結形態分類的特點,對棕櫚科植的屬、種間的系統分類關系和一些疑難種的分類鑒定進行了初步研究。
  6. The fractal is a geometrical figure with self - similar symmetry, and it is an important tool for characterizing irregular structures in nature that are self - similar on certain length scales. for example, the koch curves can be viewed as a mathematical model for coastlines, percolation model can be used to mimic mixture of mental and insulator, self - avoiding walks can serve as a model for linear polymers, and rock fracture mode can stimulate the process of brittle fracture of rock, and so on

    分形是具有相似對稱性的幾何圖形,可用來模擬界中在一定尺度范圍內具有相似對稱性的不規則結構,如koch曲線可用來模擬海岸線,滲流模型可模擬金屬絕緣體混迴避無規行走模型可模擬線性,巖裂模型可模擬真實巖體的脆性破裂等。
  7. Phosphate ester polymers are degradable in nature, and environment - friendly

    磷酸酯類界中可以降解,是環境友好的化學品。
  8. The soils and sediments organic matter ( som ) are highly heterogeneous and comprise various complex organic macromolecules such as humus, kerogen, black carbon ( bc ), etc. the relative abundance, characteristics and structure of these som play a important role on the global carbon cycles, global change, transformation and fate of the organic and inorganic pollutants, the soil fertility

    土壤和沉積有機質是高度非均質的,包括許多復雜的有機高分子如腐殖質、乾酪根、碳黑等。這些有機質的相對含量,性質和結構對全球碳循環,全球氣候變化,有機和無機污染界的遷移、轉化和歸宿,土壤的肥力等有非常重要的影響。
  9. Secondly, the third order nonlinear optical properties of these compounds are studied under the excitation of ps pulsed laser with the wavelength of 1064nm using z - scan technique, nonlinear refractive indices and nonlinear absorption coefficients are calculated according to the z - scan experiment curves of the compounds. all the three compounds have self defocusing characters and two photon absorptions. lastly, nonlinear refraction and absorption properties of these compounds are studied by z - scan technique under the excitation of ps pulsed laser with the wavelength of 532nm the self defocusing and reverse saturation absorption are found in these compounds

    根據實驗曲線計算了它們在1064nm下的三階非線性折射率和非線性吸收系數,三種化都具有焦特性,並且在該波長下,三種化均具有雙光子吸收,最後,以皮秒脈沖的532nm為激發波長,採用z掃描方法,研究了三種金屬有機化的非線性折射和非線性吸收性質,在該波長下三種化表現為焦特性,且其吸收為反飽和吸收。
  10. The high - performance heat - reflective coated glass is also called sunlight control coated glass it is made by coating a number of metal or metal compaound films onto the high - quality float glass or other base glass with the vacuum magnetic control sputtering method, which can effectively control the reflection, transmission and absorption of solar energy, that is to say, this glass allows sufficient natural light to come in for daylighting, and can also reflect major part of sunlight irradiation to reduce the collection of indoor heat and lower down the expenses for ventilation and air conditioning ; furthermore, the transmission, reflection ratio and reflection color are ready for the selection by the users

    高性能熱所射鍍膜玻璃也稱為陽光控制鍍膜玻璃,是在優質浮法玻璃或其他基片上用真空磁控濺射的方法鍍多層金屬或金屬化薄膜而成,可有效控制玻璃對太陽能的反射、透過和吸收,也就是說允許足夠的光進入室內用於採光,還能把大部分太陽光輻射熱反射掉,減少室內熱量的積,降低通風及空調的費用,而且可以根據客戶的需求,靈活選擇透過率,反射率及反射顏色。
分享友人