氧化物鍵 的英文怎麼說
中文拼音 [yǎnghuàwùjiàn]
氧化物鍵
英文
oxide bond-
A novel ring - enlargement oxidation of polyphenyl substituted cyclopentadienes in air ( or molecular oxygen ) promoted by perchloric acid was described, in which an oxygen atom was inserted into the cyclopentadiene - ring, forming a six - membered pyrylium salts
摘要報導了空氣(或氧氣)存在的條件下,由高氯酸引發多苯基取代環戊二烯發生新穎的碳碳鍵斷裂擴環反應,在此反應中,氧原子插人到環戊二烯環中形成相應的六元環吡喃鹽類化合物。The article analyze the concrete drying shrinkage mechanism, find the major factors of affecting the drying shrinkage, analyze the lack of shrinkage reducing agent, who be of low molecular weight and line chain, design a new shrinkage reducing agent ? ? shrinkage reducing agent of poly - acrylate. the shrinkage reducing agent of poly - acrylate is mainly composed of crylic acid 、 cinnamene 、 poly - glycol 、 solicitating agent 、 chain transferring agent and activator, which come by these processes of polymerization 、 esterifing and neutralization to form a pectinate polymer, which have a high molecular weight and many poly - oxidative alkenes
論文分析了混凝土乾燥收縮的機理,確定了影響乾燥收縮的關鍵因素,分析已有低分子量的、直鏈型減縮劑的不足,設計了一種新型的減縮劑? ?聚丙烯酸鹽類減縮劑,其主要由丙烯酸、苯乙烯、聚乙二醇、引發劑、鏈轉移劑、催化劑等經過聚合、酯化和中和反應,生成一種高分子量的、含聚氧化烯鏈的聚合物。The short time it took to produce its first 4 - inch ingot is not only a testimony to the competency of tera xtal s engineering team, but also represent a step forward towards change in the japanese and american domination of the crystal growth industry
有別於半導體用的矽晶,鉭酸鋰屬于硬脆的氧化物材料,融點高達1650 ;長晶的生產難度相當高,其關鍵在於人才、技術與經驗的長期培養。Green : the peroxisomes labeled with fitc ; blue : the dna labeled with dapi ; material : rat liver cells
[何鍵.大鼠肝細胞過氧化物酶體的免疫膠體金標記.中山大學本科生畢業論文. 2005In this article we cloned two crucial gibberellins biosynthesis enzyme genes : ent - kaurene oxidase and 20 - oxidase, and we investigated their expression patterns. 1
本文克隆了赤霉素生物合成途徑中關鍵合成酶:貝殼杉烯氧化酶和20 -氧化酶,並研究了二者在果樹生長發育中的表達規律。This text introduced the common method of printing and dyeing wastewater treatment - the biology tangency oxidizes method, expatiated on its mechanism and characteristic, emphases introduced pivotal techniques of industry application process including pretreatment, filling, puff machine
摘要文章介紹了印染廢水處理的一種常用方法生物接觸氧化法,闡述了其機理、特點,對其工業應用過程中的關鍵技術包括預處理、填料選用和曝氣器作了重點說明。Organic sulfides are to be oxidised to form polymers containing s - s bonds as charging, and polymers will be reduced to their low molecular monomer as discharging
這類物質在電池充電時,被氧化為含有s - s鍵的聚合物;在電池放電時, s - s鍵斷裂,聚合物被還原為低分子量的有機硫化合物單體。It ' s pointed out that, under the condition of vim refining, the amount of oxide inclusions residue in molten steel increases with the increased loss of deoxidizing elements, and the key of melting extra - low oxygen steel is to avoid the thermal decomposition of lining material ; the size of deoxidizing products increases with the increased degree of supersaturation of deoxidizing elements ; larger inclusions granules found in extra - low oxygen steel come mainly from lining material
結果表明,在真空感應熔煉條件下,殘留在鋼中的氧化物夾雜數量隨脫氧元素鋁燒損量增加而增加,熔煉超低氧鋼的關鍵是避免爐襯熱分解;脫氧產物尺寸隨脫氧元素過飽和度增加而增加;超低氧鋼的大顆粒夾雜主要來自爐襯材料。Research of infrared spectrum and dsc curve indicate that there is no chemical bond between fe3o4 and pvdf. fe3o4 particles exist in the form of metal oxide particles. however, there is some force between fe3o4 and fluorine atom
紅外光譜和差示掃描量熱分析結果則表明, fe3o4與pvdf基膜間無化學鍵,是以純金屬氧化物晶粒存在於膜孔中和膜表面,但其與f原子間有一定的作用力。Keywords : lithium - ion secondary batteries, lithium cobalt oxide, lithium nickel oxide, lithium manganese oxide, and nanotechnology
關鍵詞:鋰離子二次電池、鋰鈷氧化物、鋰鎳氧化物、鋰錳氧化物、奈米科技。It has been well known that vascular endothelial cells ( vec ) are not only a mechanical and biological barrier of blood vessels, but also an endocrine organ, which maintain vascular normal tension and reactivities througth synthesis and release vasoactive substances such as nitric oxide ( no )
研究發現,血管內皮細胞( vascularendothelialcells , vec )能合成多種血管活性物質,是維持血管正常張力狀態和血管反應性的關鍵因素。其中vec釋放的一氧化氮( nitricoxide , no )是人們發現的機體第一種氣體信使分子,具有明顯的血管活性、介導了血管內皮依賴性舒張反應。The pancreatic stellate cells ( pscs ) are now established as key cells in fibrogenesis, particularly when activated either directly by toxic factors associated with pancreatitis ( such as ethanol, its metabolites or oxidant stress ) or by cytokines released during pancreatic necroinflammation
胰臟的星狀細胞現在已經被認為是在纖維形成中的關鍵性細胞,特別是在與胰腺炎相關的毒性因子(如酒精的代謝產物或氧化劑應激物)或在胰臟壞死性炎癥時釋放細胞因子的直接激活情況下。The modification of ( alkyl ) phenolic resins via epoxidation or with rosin, petroleum resins, and other organic compounds or polymers containing unsaturated double bond were discussed respectively, mainly dealing with modification mechanism, modification methods and their applications
分別討論了(烷基)酚醛樹脂的環氧化改性、松香改性、石油樹脂改性及其他含不飽和鍵的化合物或聚合物改性,主要包括改性原理、改性方法及其應用情況。Nitrification, performed oxidation of ammonia to nitrate by nitrifying bacteria is a key process in the cycling of nitrogen and an impotent component of modern wastewater treatment
由硝化細菌催化氨氮氧化的硝化作用是氮循環的關鍵步驟,也是現代污水處理廠生物處理氨氮廢水的重要環節。In structure ( 6 ) mn ( 1 ) 2 + links with two [ mo6p4 ] units by sharing corners and then forms mn ( 1 ) [ mo6p4 ] 2, while mn ( 2 ) links to four different mn ( l ) [ mo6p4 ] 2 clusters and forms plenary channel structure. polyanion [ p2mo5o23 ] of compounds ( 9 ) and ( 10 ) consists of five mooe octahedra which form a ring by sharing corners and edges, and two po4 tetrahedra which exist in two sides of the ring plane by three oxygen atoms bonded to the mo - o cluster
化合物( 9 )和( 10 )的多陰離子[ p _ 2mo _ 5o _ ( 23 ) ]由五個moo _ 6八面體通過共邊和共角連接形成一個環,每個moo _ 6八面體均帶有2個端基氧,在其環平面的上下兩側各有一組po _ 4四面體通過共用3個氧原子與mo - o簇鍵合。Intermediate - low temperature solid oxide fuel cell ( iltsofc ) is the tendency of the solid oxide fuel cell ( sofc ) commercializing development, and one key problem is the study of cathode materials
摘要中低溫固體氧化物燃料電池的研製是固體氧化物燃料電池商業化的必然趨勢,陰極材料的研製是影響其發展的關鍵問題之一。Molecular bonds develop as epoxy cures. ( image courtesy of ocw
環氧化物分子鍵節的發展. (影像由開放課程提供And this is the first full application of two - layer model in remote sensing. from separated evaporation and transpiration through the model some important field parameters can be derived, such as canopy resistance, co2 flux and crop water use efficiency. a simplified two - layer model was also presented in case of that only radiative temperature is available
在組分溫度的幫助下,實現了土壤蒸發和植被蒸騰的準確分離,並且用植被蒸騰速率反算出冠層氣孔阻抗、二氧化碳通量、以及作物群體水分利用效率等農田關鍵參數,是遙感獲得此類參數的新思路。It was the first time that the silica nanoparticles was coated with gd2o3 : eu rare - earth oxides, then the core - shell structure compound particles were obtained. the characterizations showed that the thickness of uniform coating is in 10 - 20nm ; the silica core is linked with the gd2o3 : eu shell by chemical bond si - o - gd ; because of the size effects and interface effects of nano - crystal coating, the diffraction and emission peaks become broadened. and at the same time, the transfer temperature of silica from amorphous to crystal is decreased
首次在納米sio2表面包覆一層gd2o3 : eu稀土復合氧化物,得到了核-殼結構的復合顆粒,表徵結果表明,均勻包覆層的厚度為10 - 20nm ; sio2核和gd2o3 : eu殼層物質之間通過化學鍵si - o - gd鍵的作用結合在一起;由於包覆層納米晶的尺寸效應和界面效應使xrd衍射峰和熒光光譜發射峰出現了寬化現象。Apart from sulphur dioxide, nitrogen oxides and respirable suspended particulates, which are more widely known, volatile organic compounds ( vocs ) are also critical to the formation of smog
除了較多人認識的二氧化硫、氮氧化物、可吸入懸浮粒子以外,揮發性有機化合物亦是構成煙霧現象的關鍵污染物。分享友人