球形烯 的英文怎麼說
中文拼音 [qiúxíngxī]
球形烯
英文
spheroidene-
Pcl could form banded spherulites through blending with poly ( bisphenol a - co - decane ) lamellar structures of banded spherulites of poly ( s - caprolactone ) / poly ( vinyl chloride ) ( pcl / pvc ) blends were observed using tapping mode atomic force microscopy ( afm )
利用原子力顯微鏡( afm )的輕敲( tapping )模式,系統地研究了聚-己內酯聚氯乙烯共混體系形成的環帶球晶表面形貌和片晶結構。Curiously, in addition to graphite and diamiond, the existence of a new kind of elemental carbon in the form of football shaped molecules was predicted as early as the 1960s, but was not confirmed until 1985
在1960年代已有人預言,碳除了以石墨和金剛石即鉆石的形式存在外,並能以足球的形式存在,其後在1985年獲得證實,並引起一連串籠形碳分子即富勒烯的科學研究。The deposition rate of aerosol particles in capillary tube was measured with submicrometer monodisperse polystyrene spheres solid aerosol particles and pulse sample inserting technique ; and studies were made on the relationship between the flow velocity, the tube diameter, the tube length and aerosol particles size
摘要採用亞微米單分散聚苯乙烯球形硬氣溶膠粒子和脈沖進樣技術,測定了氣溶膠粒子在管道中的沈積率,研究了沈積率與流體速度、管道長度、管道直徑和氣溶膠粒子大小之間的關系。The second strategy include that a metallic nickel ( ni ) core was encapsulated with a polymeric polystyrene ( pst ), and then coated with an outlayer of dielectric titania to form ni / pst / tio2 composite particles. the morphology and structure of the particles were characterized by tem, sem, tg - dta, xrd, and ft - ir
其次,以聚苯乙烯包覆金屬鎳粉,形成了ni pst磁性聚合物微球,然後在該微球外包覆二氧化鈦,制得了粒徑均勻、形態良好的鎳聚苯乙烯二氧化鈦( ni pst tio _ 2 )無機-有機結構的多層核-殼復合微球。The resulting composite particles showed well responses to electric and magnetic fields, which was reflected by the formation of network structure under electric and magnetic fields superimposed perpendicularly
結果表明,所制得的鎳聚苯乙烯二氧化鈦( ni pst tio _ 2 )復合微球對電磁場有良好的響應性,在相互垂直的電場與磁場作用下排列形成了一種網狀花樣結構。Under these conditions co3o4 nano - particles with average diameter of 22nm were obtained. influences of disperants on preparing co3o4 nano - particles were studied, and tg - dta, xrd, tem and ir absorption spectra were used to characterize the samples. the results showed that shapes and sizes of co3o4 nano - particles could be controlled and modified by dispersants. the diameter was about 20nm when peg ( 40mg / ml ) was used as dispersants, while the diameter was 10nm and the length is 0. 2um for paana ( 15mg / ml )
其中,利用peg制備的納米co _ 3o _ 4粒子分散性稍差,當peg的用量為40mg ml時,可以獲得平均粒徑為20nm左右的球形納米co _ 3o _ 4微粉;以聚丙烯酸鈉作為分散劑可更好地控制納米粒子的形狀和大小,其用量為15mg ml左右時,可得到平均粒徑為10nm 、長為0 . 2 m的球鏈狀納米co _ 3o _ 4微粉。In this study, it has been put forward that taking reactive nanometer magnetic fe304 particles as magnetic nucleus, and the copolymer of styrene ( st ) ? crylic acid ( aa ) as macromolecular shell, we could synthesize, magnetic polymer composite microspheres containing carboxyl groups on their surface, then microspheres are activated by thionylchloride, the surface of such magnetic composite microspheres thus produced had reactive acid chloride groups which then react with the free amino groups of the free soluble enzymes to give peptide bonds ( ? o ? h ?,
本研究首次提出了以納米級磁性fe _ 3o _ 4粒子為核心,苯乙烯( st ) ?丙烯酸( aa )共聚物為高分子殼層,合成了表面帶羧基的磁性高分子復合微球,然後將這種微球用二氯亞碸進行活化處理,在其表面形成了反應性酰氯基團,該基團可以與游離酶的氨基形成肽鍵,從而將游離酶固定化。Polarized optical microscopy and phase - contrast microscopy were used to observe the banded spherulites of poly ( e - caprolactone ) / poly ( vinyl chloride ) ( pcl / pvc ) blends. the ring spacing and regularity of the banded spherulites decreased with the decrease of the crystallizing temperature
本文利用偏光顯微鏡和相差顯微鏡觀察了聚-己內酯聚氯乙烯形成的環帶球晶,環帶間距隨溫度的降低而減小,規整性亦隨之下降。A novel protein immobilization approach based on mercapto - pha sam for piezoelectric immunosensors has been proposed, which is formed by coupling mercaptoprorionic acid ( mpa ) to poly ( allylamine hydrochloride ) ( pha ) via 1 - ethyl - 3 - ( 3 - dimethylamino - propl ) carbodiimide ( edc ) and n - hydroxysuccinimide ( nhs ). after self - assembling a mercapto - pha sam on the gold electrode of the quartz crystal, the goat - anti - igm antibody is immobilized via cross - linking with glutaraldehyde. the detecting linear range of the piezoelectric immunosensor employing mercapto - pha sam is 0. 66 - 26. 4 ug / ml
應用偶聯試劑碳二亞胺( edc )和n -羥基琥珀酰亞胺( nhs )使聚丙烯胺( pha )與巰基丙酸( mpa )偶合形成巰基化的聚丙烯胺,應用這一新方法,實現了羊抗人igm抗體分子的固定,並在0 . 66 26 . 4 g / ml范圍內對人血清免疫球蛋白igm進行了測定。Tem reveals that the complex possessed good dispersibility in the system and the status varied reversibility with the ph value and the size of the complex is within 20 ~ 40nm. the complex was characterized by ft - ir, uv - vis, fluoresence and electrical conductivity methods. paa - ag nanospheres were also synthesized by coordination of polyacrylic acid and silver ( i ) ion and queued in line in lr
本論文還以低分子量的聚丙烯酸和硝酸銀為主要原料,通過控制體系的ph值合成響應環境ph值變化的聚丙烯酸銀納米微球和納米柱狀物,通過tem觀察尺寸達20 - 40nm ,用ir 、 uv - vis 、熒光、電導率法分析聚丙烯酸和銀的配位作用、所形成配合物的組成與結構,並將聚丙烯酸和硝酸銀置於「線性反應器」中進行配位聚合,合成出線性排列的paa - ag納米微球。Effect of main - chain structure on solid - phase grafting polymerization of styrene in spherical polypropylene granules
主鏈結構對聚丙烯球形粒子中苯乙烯固相接枝聚合的影響Two kind of ordered macroporous polymethylmetacrylate structures with different pore morphologies were fabricated from colloidal templates of the same silica microspheres, which was assembled by using centrifugation as driving force
摘要以離心沉降技術組裝的二氧化硅膠體晶體為模板,從同種尺寸的二氧化硅微球出發,合成了孔的結構和形貌不同的兩種有序大孔聚甲基丙烯酸甲酯。From the pom photos of polypropylene sp herical crystal, we could see that the polypropylene spherical crystal were diminished obviously, which is one of the two reasons that toughness of ppmn was improved
Pom照片表明, ppmn中pp球晶明顯細化,這與聚丙烯晶型的形成同為ppmn韌性提高的原因。Structural bearings - spherical and cylindrical ptfe bearings
結構支座.球柱或圓柱形聚四氟乙烯支座Polarization microscope had observed that the size of sphere crystal of pp after adding organic rigid particles became smaller, the excellent compatibility of interphase between matrix and organic rigid particles in composite has been proved, and the organic rigid particles were drew out into cavities from matrix in the photograph of the impact breaking section by sem. the reason of enhanced toughness of the composite is that the material absorbed amount of energy at forming cavities, which is the mechanism of the pp composite toughened with the organic rigid particles
偏光顯微鏡顯示加入有機剛性粒子可使pp的球晶尺寸減小, sem觀察到復合材料中基體材料和剛性粒子的界面相容性較好,在沖擊破壞的材料斷面上,剛性粒子明顯被拔出形成「空穴」 ,這些微小空穴較易產生而吸收能量,從而提高了材料的斷裂韌性,這是剛性粒子復合聚丙烯的增韌機理。In 1993 saunders and poreda demonstrated that fullerenes have the unusual ability to capture noble gases ? such as helium, neon and argon ? within their caged structures
1993年,桑德茲與波里達證明了富勒烯具有捕捉惰性氣體(例如氦、氖、氬)的不尋常性質,儲存在球形結構裏面。分享友人