衍徵 的英文怎麼說

中文拼音 [yǎnzhǐ]
衍徵 英文
cladistics
  • 衍 : [書面語]Ⅰ動詞（開展; 發揮） spread out; develop; amplifyⅡ形容詞（多餘） redundant; superfluousⅢ名...
  • 徵 : 名詞[音樂] （古代五音之一 相當于簡譜的「5」） a note of the ancient chinese five tone scale corre...
  1. In chapter two, we fabricated r - ni - fe / al2o3 nanocomposites successfully by using ball - milling mixing method plus hot - pressing process. meanwhile, their microstructures are characterized by x - ray diffraction ( xrd ) analyser, transmission electron microscopy ( tem ), field emission scanning electron microscopy ( fe - sem ) and brunauer - emmett - teller ( bet ). the results indicate that ni - fe particles are homogenously dispersed in the matrix in the composites

    在第二章中，我們採用高能球磨混合方法加上熱壓燒結工藝，成功制備了ni - 20fe al _ 2o _ 3納米復合材料，並通過x射線衍射儀（ xrd ） 、透射電鏡（ tem ） 、場發射掃描電鏡（ fe - sem ） 、比表面孔隙儀（ bet ）對該復合材料的微結構進行了表徵。
  2. In this paper we studied the intercalation behavior of a new host matrix of x = l of zirconium proline - n - mtthyl phosphonate - phosphate ( a - zpmpp ), we successfully introduced butylamine heptylamine decanylamine ethanolamine diethylenetriamine ( 2e3a ) triethyleneteriamine ( 3e4a ) and tetrathyleneoctamine ( 4e5a ) guest molecules into a - zpmpp interlayer space. the intercalation complex were characterized by ir spectrum x - ray diffraction and tg - dsc thermal analysis, it has been found that a - zpmpp possess different intercalation behavior from a - zrp. because of the bulk of proline group, it affected the amount of guest molecule, mono - alkylamine form mono - molecule layer in the interlayer space, butylamine, decanylamine and ethanolamine form mono - layer and the carbon chain form 90 degree ordered assembly with the zirconium floor of a - zpmpp, every host molecule absorbed 0. 5 guest molecule

    本文報道首次以x ? l的層狀（脯氨酸十一甲基磷酸一磷酸氫）鉛（ a zpmpp ）為主體底物，成功地將客體分子：正丁胺、正慶胺、正癸胺、乙醇胺、二乙烯三股、三乙烯四胺、四乙烯五股插入層狀化合物a zpmpp的層間，通過紅外光譜（ ir ） 、 x射線衍射（ xrd ） 、熱重分析（ tg dsc ）等手段對插層復合物進行結構表徵，結果表明： x ? l的層狀（脯氨酸件一甲基磷酸一磷酸氫）鉛具有不同於無機磷酸結的插層性能，由於層間脯氨酸基團的體積較大，影響客體分子進入的數量，胺分子在層板間取單層排列。
  3. Synthesis and characterization of poly ethylene glycol fumarate

    酸衍生物合成與結構表徵
  4. The uniqueness of the financial derivatives risk is also analyzed in the second part of the thesis. indued in the second part is the reason of the risk of the financial derivatives

    本論文的第二部分著重介紹了金融衍生工具風險特徵和這些風險產生的原因及其所帶來的嚴重的社會後果。
  5. Section one : preparation of polyacrylic acid / montmorillonite ( paa / mmt ) water absorbent hybrids by aqueous solution intercalated polymerization as montmorillonite is easily dispersed in water uniformly, the polyacrylic acid / montmorillonite ( paa / mmt ) was prepared by simple aqueous solution intercalated polymerization

    並利用紅外（ ft - ir ） 、 x ?射線衍射（ xrd ）對產品進行了表徵，結果證明此材料為嵌入型插層復合物。
  6. Firstly, the tio2 thin films are deposited by dc reactive magnetron sputtering apparatus, and characterlized by n & k analyzer1200, x - ray diffraction spectroscopy ( xrd ), scanning electronic microscopy ( sem ), alpha - step500. and it was analyzed that the effect on performance and structure of films with the change of argon flow, total gas pressure, the substrate - to - target distance and temperature

    第一、應用穩定的直流磁控濺射設備制備tio2減反射薄膜並通過n & kanalyzer1200薄膜光學分析儀、 x射線衍射分析（ xrd ） 、掃描電子顯微鏡（ sem ） 、 alpha - step500型臺階儀等儀器對薄膜進行表徵，分析氧分壓、總氣壓、工作溫度、靶基距等制備工藝參數對薄膜性能結構的影響。
  7. The as - grown crystals were characterization by cutting and directional, x - ray diffraction, high resolution ohmmeter, ir transmission spectroscopy, visible light absorption spectroscopy, scan electronic microscopy ( sem ) and positron annihilate time technique ( pat ). the ir transmittance of czt single crystals grown with cd - riched is about 53 %, while 23 % with no cd riched

    採用解理實驗、 x射線衍射、電學性能測試、紅外透過譜測試、可見光吸收譜測試、 sem蝕坑分析、探測器的試制等分析測試方法，並首次採用正電子湮沒壽命譜分析方法來研究czt單晶體的空位缺陷，綜合表徵了所生長的晶體的質量和性能。
  8. Polysaccharides are main energy sources of human body and possess some important physiological functions. in this paper, polysaccharides were used as the soft templates in synthesizing selenium nanoparticles which were produced with the reduction of selenious acid by ascorbic acid. the effect factors of synthetic reaction were studied and selenium nanoparticles obtained were characterized

    本文以幾種生物多糖為軟模板，採用抗壞血酸還原亞硒酸的方法合成納米硒，研究了制備反應的影響因素，得到了多種形貌的納米硒，並採用光譜法、透射電鏡、掃描電鏡、 x射線衍射等方法對產物進行了表徵。
  9. It cannot be quieted by token moves or talk.

    我們不能以象徵性的言行去敷衍。
  10. Then the molybdenum disulfide nanoparticles which size was in the range of 20 - 30 nm were prepared by the desulfuration of molybdenum trisulfide if taking hydrogen as a protection atmosphere at some temperature. the mos2 nanoparticles were then characterized by x - ray diffraction and transmission electron microscope. the mos2 nanoparticles and commercial common mos2 particles ( c. a

    將乾燥后的三硫化鉬粉末在氫氣保護氣氛條件下，加熱脫硫得到粒徑在20 30nm之間的納米二硫化鉬顆粒，用x射線衍射儀（ xrd ）和透射電子顯微鏡（ tem ）對二硫化鉬納米顆粒進行了表徵。
  11. The authors studied the characteristics of element geochemistry, mineral assemblage and microtexture of the white reticulate clay in the quaternary laterite of the dongting basin with some experimental analysis methods, such as chemical analysis, x - ray diffraction analysis, ir and sem analysis. the genesis of the vermiculate reticulate clay and the rhizomatic reticulate clay in the quaternary laterite of the dongting basin are discussed. the formation of crannies or holes in the soil and the transference of soil elements are absolutely necessary conditions to form the white reticulate clay in laterite

    在野外考察的基礎上，運用化學全量分析x射線衍射分析紅外光譜分析和掃描電鏡微形貌分析等實驗方法和手段，對洞庭盆地第四系紅土地層中網紋的元素地球化學礦物組合特徵和微形貌特徵進行了系統研究，對洞庭盆地紅土地層中2種主要的網紋類型蠕蟲狀網紋和根狀網紋的成因進行了探討。
  12. Preparation and characterization of o - succinyl derivative of - carrageenan

    琥珀酰基化衍生物的制備與表徵
  13. The cenosphere particles were characterized with optical microscope, field emission scanning electron microscopy ( fesem ), energy - dispersive spectroscopy ( eds ) and x - ray diffraction ( xrd ) in and after the plating

    用光學顯微鏡、場發射掃描電子顯微鏡、能譜儀和x射線衍射儀對其進行了分析表徵。
  14. This study was focused on the occurrence characteristics of the cryptomelane - bearing ores and the mineralogical characteristics of natural cryptomelane. the morphology, chemical and structure features of natural cryptomelane were characterized by means of powder x - ray diffraction, scanning electron microscopy, electron probe microanalyzer, energy dispersive spectrometer and x - ray fluorescence

    利用x -射線粉晶衍射掃描電鏡電子探針電子能譜和x熒光光譜對天然錳鉀礦的形貌特徵化學成分結構特徵進行研究，結果表明天然錳鉀礦晶體形態主要為針狀纖維狀，沿
  15. From study on their floral syndrome, it is possible to ascertain that p. meirilliana and its sister species p. cicutarrifolia have the same ancestor that is homostylyed, since the changing of environment conditions or visiting by insects, p. merrilliana becomes heterostylyed and seems to have envolved in a direction toward dioecy or subdioecy

    根據花部綜合特徵，推測兩物種是同一祖先的兩個近緣衍生種，安徽羽葉報春的祖先可能是花柱同長的，並有可能向雌雄異株方向進化c5
  16. In this paper, the nacre of hyriopsis cumingii ( lea ) which is one of the main freshwater pearl - forming mollusk in china is studied emphatically, as compared with the nacre of three species of saltwater pearl - forming mollusks, pinctada martensii ( dunker ), pinctada maxima ( jameson, and peteria penguin ( roding ). the basic characteristics of nacreous and prismatic layers are understood by powder x - ray diffraction analysis, trace elements analysis, amino acid composition of protein and differential thermal analysis

    本文以我國主要育珠蚌淡水三角帆蚌貝殼珍珠層為重點研究對象，以三種海水育珠貝馬氏珍珠貝、企鵝珍珠貝及大珠母貝貝殼珍珠層為對比研究對象，首先通過粉末x -射線衍射、微量元素分析、蛋白質氨基酸分析及差熱分析對珍珠層及其與之密切共生的稜柱層的基本特徵進行了初步研究。
  17. The morphology, composition and crystalline of the composite particles were characterized by scanning electron microscopy ( sem ), x - ray diffraction ( xrd ) and thermo - gravimetric analysis ( tga ) techniques

    利用掃描電子顯微鏡（ sem ） 、 x -射線衍射分析（ xrd ）和熱重分析（ tga ）對復合微球的形貌、無機沉積物cds的晶型和有機-無機成分相對含量等進行了表徵。
  18. Now the most common standard to characterize the mechanical property of a surface of metallic material is the half width of the x - ray, and micro hardness

    摘要目前用來表徵金屬材料表面力學特徵最常見的指標是x射線衍射譜線的半高寬和顯微硬度，人們普遍認為，材料的半高寬值越大，其硬度越高。
  19. A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage

    本文合成了高效酰化催化劑4 -二甲基氨基吡啶（ 4 - dimethylaminopyridine ， dmap ） ，採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物，並進行了化學結構和液晶性能的表徵。
  20. In general, the thesis covers the following aspects : first, in accordance with the property of variable tuning optical attenuator ( voa ), which is analyzed and discovered through diffraction theory, selected block plate and made attenuator, and achieved satisfactory effect by experiment in light transportation circuit

    針對可調型機械擋光衰減器的擋光特點，從衍射理論的角度分析和發現該器件的衰減特徵，並根據該特徵選擇擋光片，製作了衰減器。在傳輸光路上試用，獲得了較好的效果。
分享友人
分享到 Line

分享到臉書