氧親和性 的英文怎麼說
中文拼音 [yǎngqīnhéxìng]
氧親和性
英文
oxygen affinity-
A review of the development of organic semiconductor composite photo - conductive materials and devices was followed by a proposal of the researching theme in this thesis. the effects of fabrication arts such as solvents, gradient, interfacial layer and configurations on the photoconductive properties of the single - layer chlorodiane blue azo / tiopc composite photoreceptors were systematically studied in chapter ii. the results showed that the solvent played a decisive role in the multiphase and multicomponent system composed of two photogeneration species ( chlorodiane blue azo and tiopc ), a transporting material ( hydrozone ) and polymer binder ; 1, 4 - dioxane, as an amphiphilic solvent can effectively disperse and stabilize such multiphase and multicomponent systems, the derived photoreceptors presented improved photoconductive properties superior to those of dual - layer counterparts and demonstrated the evident synergetic enhancement and complementary effects ( eg
結果表明:在由兩種光生材料氯丹藍偶氮和酞菁氧鈦、傳輸材料萘苯腙以及聚合物介質組成的多相多組分復合體系中,分散溶劑是至關重要的因素,二氧六環作為典型的雙親性溶劑,有效地分散和穩定了該多相多組分復合體系,得到的復合單層光導體的光敏性在整體上優于雙層光導體,復合材料在可見光和近紅外光區分別表現出的偶氮和酞菁氧鈦的光敏性(如azo / tiopc = 8 / 2 , cgm / ctm / pc = 1 / 120 / 120時,具有明顯的互補效應;在近紅外光區明顯高於酞菁氧鈦與偶氮光敏性的線性加和,表現出協同增強正效應。Glutathione redox system as the important parts of defense systems was studied after exposure to sulfur dioxide at different concentrations. dna damage caused by so2 and lead acetate were also studied. protective roles of seabuckthorn seed oil on oxidative damage caused by so2 in liver and lung of mice were also investigated
本文在整體動物水平上研究了不同濃度二氧化硫吸入后小鼠組織谷胱甘肽氧化還原系統( glutathioneredoxsystem )的動態變化規律;二氧化硫所致氧化損傷的防護作用研究;二氧化硫和大氣顆粒物中親氣性重金屬元素鉛對dna的聯合損傷作用。Unicolor and lilium asiatic hybrids or cultivars in lilium asiatic hybrids were researched with their parents by karyotype, soluble protein, esterase isoenzyme and peroxidase isoenzyme. the results provided identification markers of cytology and biochemistry for hybridization at the early stage in lily breeding programs. the cluster analysis according to similarity coefficient of soluble protein and peroxidase showed that " yellow " and " omega " have the most closest relation in lilium asiatic hybrids
本研究對百合屬幾個植物的親緣關系進行了可溶性蛋白質、過氧化物酶同工酶分析,同時對亞洲百合雜交系內雜交及其與原種系間的雜交後代進行了核型、可溶性蛋白質、過氧化物酶和酯酶同工酶分析,以期為百合屬植物親緣關系分析提供生化依據,以及為雜交後代的早期鑒定提供細胞學、生化水平的檢測指標。Through the comparison between freeze - drying and heat - drying, the agglomeration and the desorption of the precursor on carbon support can be alleviated with freeze - drying method. the effects on the electrocatalysts by pretreatments of carbon support, dispersant and precursor are studied. the result shows that pretreatment of the carbon support by kmno _ 4 can add oxygen - containing functional groups on the surface of carbon, which can reduce the hydrophobicity of the carbon support, and then make it much easier for carbon to dissolve in water to form suspension ; isopropyl alcohol can make the carbon support in high dispersion in the precursor solution, which can make the precursor absorbed on the surface of the carbon
採用高錳酸鉀氧化預處理的碳載體比表面積較大,表面含氧官能團數量較多,親水性較好,有利於前軀體在碳載體表面的吸附;選取異丙醇作為預凍液中的分散劑,有利於碳載體在前軀體溶液中的分散,容易實現前軀體離子在碳載體表面的穩定吸附和分散;使用酸性pt ( no _ 2 ) _ 2 ( nh _ 3 ) _ 2作為前軀體,可以使前軀體離子和碳載體表面的酸性含氧官能團發生離子交換反應,使得前軀體離子吸附量增大,分散更加均勻,以上三種因素的選取都可以得到催化活性更高的pt / c催化劑。Xps showed that there were much chemical absorbing water on the ti _ ( 2 ) film surface which mainly existed in form of - oh, and the contents of - oh was increasing with the annealing temperature. hydrophilic property became better with the annealing temperature ; the essential relation between the changing of contact angle and light - induced - electrons and light - induced - cavities was studied in details. the photocatalysis of samples without heat treatment was very bad, but that of samples after heat treatment was much better
Xps的分析表明:試樣的表面含有大量的化學吸附水,主要以羥基的形式存在,隨著熱處理溫度的升高,吸附羥基的含量在增加;親水性能測試表明:隨著氧氣分壓的變化,其親水性能變化不大,隨著熱處理溫度的增加,試樣的親水性能在變好,並從理論上解釋了親水性能光照前後變化和光生電子?空穴對之間的本質關系。Colour stability and suspension stability of strawberry juice were studied by using different anti - browning reagents
摘要研究了不同抗氧化劑和親水性膠體對草莓汁色澤和懸浮穩定性的影響。2 ) basis of upon studies, we have also designed and sythesized the mutation ii of the cmiv that been greatly changed in the 3 " of the gene comparing with nature cmiv : the ht gf3 ( the third loop region of htgf2 specifically binding to egfr receptor ) was fused to 3 " of gene of cmiv through a flexible linker. the gene of the mutation ii of cmiv was sequenced and clonged to the vector of ptxfus to fuse to the 3 " of gene of thioredoxin
二、在以上研究的基礎上,對cmiv抗菌肽的c端進行較大的改造,即將與腫瘤細胞過度表達的表皮生長因子受體( egfr )具有高親和性的因子多肽tgf _ 3通過疏水柔性接頭連接在抗菌肽cmiv的c端,設計完整的基因,並在大腸桿菌中利用ptxfus表達載體與硫氧還蛋白進行可溶性融合蛋白表達。Abstract : this paper describes the methods to form silver clusters in solid, liquid and gas phases ; the properties of clusters such as absorption bands, esr, redox potential, ea and ip, and their catalytic behaviours in photo - splitting water and photographic development processes
文摘:本文綜述了在固相、液相和氣相中形成銀團簇的方法,銀團簇的主要性質如吸收光譜、 esr 、氧還電位、電子親和勢與電離能,以及銀團簇在光解水和照相顯影過程中的催化作用。The study of in - situ construction of cytocompatible surface on pdl - la matrix via amphiphile - amino acid ( rgd ) hybrid self - segregation - the amphiphilic diblock copolymer, poly ( dl - lactide ) - poly ( ethylene oxide ) ( pla - peo ) copolymer, containing hydrophobic pla block and hydrophilic peo block was synthesized via coupling method in this dissertation. cell - adhesion - promoting amino acids and integrin receptor peptide rgd were then immobilized at the end of peo chain of pla - peo copolymer via hydroxyl group activation technique. the solvent blending and casting method was then used to obtain the amphiphile modified pdl - la membranes
兩親共聚物-氨基酸( rgd )雜化體原位自修飾構建聚乳酸細胞相容性表面的研究一本論文首先設計併合成了一類含疏水聚乳酸( pla )鏈段和親水聚氧乙烯( peo )鏈段的兩親嵌段共聚物材料( pla - peo ) ,利用peo鏈端的活性官能團羥基固定了促細胞粘附的氨基酸及整合素配體多肽片段rgd 。Two pta - mutants have been selected by using suicide substrate after the mini - tn5 transposon insertion mutagenesis of klebsiella pneumoniae m5al. when used in microaerobic fermentation, the amount of acetate produced by the mutants reduced to less than 50 % of the parent strain, and the yields improved whereas the 1, 3 - propanediol titers and productivities decreased
以klebsiellapneumoniaem5al為出發菌株,用mini - tn5隨機轉座誘變結合自殺性底物篩選的方法得到了兩株產乙酸途徑pta基因缺失突變株xl - 6和xl - 11 ,應用到微氧法發酵中,突變株的乙酸產量為親株的50以下,甘油轉化率有所提高,但1 , 3 -丙二醇濃度和生產強度有所下降。Purification and renaturation of recombinant human cu, zn - sod by metal - chelating affinity chromatography
金屬螯合親和層析純化和復性重組人銅鋅超氧化物歧化酶There is no direct relation between the o2 flux, crystal type and reaction rate. with the o2 flux rising, the photocata lysed efficiency decreases while the hydrophilicity increases
氧氣流量對晶體類型和反應速率沒有直接的影響,隨著氧氣流量的增加,薄膜的光催化性能下降,親水性上升。Our production of magnesium hydroxide modified surface treatment products, high purity, particle size uniform dispersion of good, strong affinity, are halogen - free, smoke - free, no drops, non - toxic, the safety of flame retardants, rubber, plastics, rubber, engineering, electrical appliances, wires, cable, cable sheathing, thermoplastic materials, insulators, surge arresters, synthetic textiles, fire retardant paint, ink, paper, conveyors, mine ventilation duct, electronic appliances equipment, tarpaulins, tents, military, aerospace, shipbuilding, automobiles, steel products, such as the glass industry ideal fuel filler - type resistance
我公司研發生產的改性表面處理氫氧化鎂系列產品,純度高、粒徑均勻、分散性好、親和力強,屬于無鹵、無煙、無滴、無毒性、安全性的阻燃劑,是橡膠、塑料、橡塑、工程塑料、電器、電線、電纜料、電纜護套、熱縮材料、絕緣子、避雷器、化纖紡織、防火塗料、油墨、造紙、運輸帶、煤礦風筒、電子電器器材、蓬布、帳篷、軍事、航空航天、造船、汽車、玻璃鋼製品等各行業理想的填料型阻燃料。To detect whether crosslinking reaction influence the fluorescence properties of the samples, oxygen - evolving psil core complexes were treated with five crosslinking agents at different concentration, then the chlorophyll fluorescence emission, excitation, and intrinsic fluorescence spectra of these samples were measured. the results showed that both chlorophyll fluorescence and intrinsic fluorescence of oxygen - evolving psil core complexes were altered by the crosslinking reaction. the maximum chlorophyll fluorescence band at 682 nm decreased and the intrinsic fluorescence emission intensity at 308 nm and 328 nm either increased or decreased
結果表明:交聯處理對psll放氧核心復合物葉綠素熒光和內源熒光都有影響,引起682urn處葉綠素熒光強度的降低、 308urn或328urn處蛋白質內源熒光強度的增大或減小,並與處理時所用交聯劑的濃度、交聯劑的親疏水性和交聯臂長相關。When copper exceeds the cellular needs, it is toxic through the production of highly reactive hydroxyl radicals, that have deleterious effects on cellular components including destabilization of plasma membranes and lysosomal membranes
但是也具有毒性,銅可以與一些脂質,蛋白質和核酸等物質高親和性地結合,並催化其氧化,所以維持銅濃度在一定的正常范圍很重要。A series of core - shell nanoparticles with own intellectual property have been prepared, which provides theory for the magnified synthesis of core - shell nanoparticles. in part two, the biocompatibility of the core - shell nanoparticles, including silica nanoparticles, fluorescent silica nanoparticles and silica coated magnetic nanoparticles, have ' been investigated from the angle of in vivo and ex vivo
第二,從體內和體外兩個角度系統地研究了核殼納米顆粒(主要包括二氧化硅納米顆粒( sinp ) 、二氧化硅殼熒光納米顆粒( fsinp )以及二氧化硅殼磁性納米顆粒( msinp ) )的生物親和性,證明了該類納米顆粒有很好的生物親和性。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。Two types of 11 - hsds were identified in vertebrates : whereas 11 - hsd2, a nad - dependent oxidase, functions exclusively to convert biologically active gc into its inert form, attenuating gc ' s action, 11b - hsd1 was shown to act as a predominant nadp - dependent reductase in tact cells, thus amplifying gc ' s action
在體內,至少存在兩種亞型的11 - hsd 。 11 - hsd2主要分佈於鹽皮質激素( mineralocorticoidhormone , mc )的靶器官,表現為單一的氧化酶活性,與作用底物的親和力較高,親和常數在nm水平。Homologous analysis in amino acid sequence showed that between thl2 in b. olereacea l. and trx4 in arabidopsis thaliana were 97 % in identity, a little difference to that of 86 % in identity between thl2 in b. napus l. and trx4 in a. thaliana
氨基酸水平上的同源性分析表明甘藍thl2與油菜thl2和擬南芥中硫氧還蛋白trx4同源性較高。分別達到97和86 ,進化分析也表明thl2和trx4具有較高的親緣關系。Chapter 1 preparation and properties of several kinds of nanometer oxide semiconductor photocatalyst materials and the photocatalytic activity and superhydrophilicity of titanium dioxide in this paper, the recent progress on preparation and properties of some kinds of nanometer oxide semiconductor photocatalysts was reviewed. the photocatalytic mechanism of nanometer oxide conductor material have been explained
第一章幾種納米氧化物半導體光催化劑的制備和性能及二氧化鈦的光催化與超親水性本文綜述了近年來幾種納米氧化物半導體光催化劑在制備和性能方面的研究成果,闡述了納米氧化物半導體材料的光催化原理。分享友人