chemical bond 中文意思是什麼

chemical bond 解釋
化學鍵;化學膠結
  • chemical : adj 化學的,化學作用的;應用化學的,用化學方法獲得的。n 〈常 pl 〉化學製品;藥品。 fine chemicals...
  • bond : n 1 結合(物),結合力,黏合(劑),聯結。2 束縛,羈絆; 〈pl 〉 拘束;鐐,銬。3 契約,契約義務,...
  1. The adhesive forces were found to be related to the metal to oxygen chemical-bond energy.

    已經發現,粘著力與金屬-氧的化學結合能有關。
  2. Differential thermal analysis ( dsc ) indicates that acid - anhydride reacts with amidogen in nylon 11 to form chemical bond and boost up bonding strength of interface

    Dsc分析表明,接枝物中的酸酐基團與尼龍11中的氨基發生反應,形成化學鍵,使得界面粘接力增強,從而使沖擊強度得到提高。
  3. The research overcomes the shortcomings of primers in common use, and breaks through the traditional astriction of absence of chemical bond between new and old concrete. both macrostructure and microstructure as well as bond mechanism was discussed and some further research advice was put forward

    本研究克服了以往的界面劑僅能改善界面層宏觀或微細觀結構的缺點,突破了新老混凝土粘結層主要依靠范德華力提供界面粘結力而幾乎不存在化學鍵作用的缺點。
  4. Non - chemical bond association structures in fanzhi brown coal and their evolution were studied by the integration of hydrous pyrolysis and cs2 / nmp extraction

    摘要採用熱模擬實驗與cs2 / nmp混合溶劑抽提相結合的方法對繁峙褐煤中的非化學鍵締合結構及其演化特徵進行了研究。
  5. Abundant non - chemical bond association interactions are existed in fanzhi brown coal and the association interactions will change in the thermal evolution

    研究結果表明:繁峙褐煤中含有大量的非化學鍵締合結構,在有機質的演化過程中,非化學鍵締合結構也進行著同步的演化。
  6. It was the first time that the nano - ceria and aqueous polyurethane was combined together, the microemulsion of aqueous polyurethane coating ceria nanoparticles was obtained and characterized. the results showed that the ceria is combined with polyurethane by electrostatic action, chemical bond and absorption media action

    首次將稀土納米ceo2和水性聚氨酯復合,得到了包覆有ceo2納米粒子的水性聚氨酯微乳液,表徵結果表明, ceo2和聚氨酯通過靜電作用、化學鍵作用和吸附層媒介作用結合在一起的。
  7. The theory hypothesis of " pore restriction " is first proposed in this paper. during polymerization, one end of linear molecule inserts the channels of zeolite to form hard end through chemical bond or supermolecule acting force, the other end forms soft end through condensing or polymerizing with other monomer molecule. on the basis of the theory hypothesis, a kind of novel pattern of organic - inorganic composite materials - pu / zeolite composite materials - has been designed

    本文首次提出了「孔約束」的理論假說,即在高分子材料聚合過程中,線型分子的一端通過化學鍵或超分子作用力插入分子篩的孔道中形成硬端,而另一端則與其它單體分子縮合或聚合形成高分子材料的軟端;在此假說的基礎上,設計了一類孔約束型有機?無機復合高分子材料的新模式,即聚氨酯/沸石分子篩復合材料。
  8. Tending to attract electrons to form a chemical bond

    負電極的有吸引電子以形成化學鍵的傾向的
  9. At the existence of batio3, the pan / batio3 nanocomposite are prepared by in situ complex technology. the shape of complex is not regular and their mean size is in the range of 1 ~ 2 u m there are chemical bond between pan and batio3 in pan / batio3 nanocomposites, for the complex mechanism of pan with batio3 nanoparticles, first, there are complex between pan and batio3 nanoparticles. pan have the function of cohering batio3 nanoparticles

    乃o3納米粒子的原位復合過程中,首先是an單體與batio3納米粒子相互作用,由於鈦酸鋇權于的存在,苯胺單體首先吸附在鈦酸鋇粒子表面,當過硫酸鉸加入溶液中時,聚合過程首先在這些氧化物的表面進行,這導致了聚合物對鈦酸鋇粒子的吸附及圍繞鈦酸鋇粒子的受限生長。
  10. ( 3 ) volume shrinkage of composite decreases greatly with wpu increasing, even can arrive a negative number, but thermal stability is still good. ( 4 ) toughening mechanism is that : the formation of high molecular linear amino formate construct is the toughening reason ; hydroxyl - terminated pu - prepolymer and pf react to produce chemical bond effect which participate cure ; carboxyl - terminated pu - prepolymer and pf form semi - ipn which make toughened pf occur maximum

    ( 4 )通過紅外光譜對pf / pu共混物分子結構進行的定性分析、以及掃描電鏡對沖擊斷面形貌進行的分析,可證明聚氨酯預聚物增韌酚醛樹脂的機理是:兩個體系都是由於高分子量的線形氨基甲酸酯結構而增韌;端羥基pu與pf在共固化中產生化學鍵效應,參與pf的固化;而端羧基pu則與pf形成半互穿網路而增韌。
  11. 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。
  12. It is showed from active exponent analysis that surface energy and polarity of the modified magnesium hydroxide are decreased ; and jr analysis shows that the stearic acide is attached to magnesium hydroxide by chemical bond

    活化指數測定結果表明改性后的氫氧化鎂由親水疏油性變成了親油疏水性;紅外光譜表明硬脂酸與氫氧化鎂之間形成了化學鍵。
  13. It was found that there was a close relationship between the adhesion strength of the bg coating and the surface roughness of the titanium alloy and the firing temperature. the chemical state of the elements ti and si at the coating interface varied. the chemical bond and the mechanical occluding make the bg coating form a strong adhesion with the titanium alloy

    通過研究發現, bg塗層與基體的結合強度與基體表面的粗糙度以及燒成溫度密切相關,塗層界面處ti元素和si元素的化學狀態發生了變化, bg與基體強結合的機制為化學鍵和機械嵌合兩種力共同作用。
  14. Covalent bond a chemical bond in which one or more pairs of electrons are shared between two atoms

    共價鍵:一般指兩個原子接合時,通過形成共有電子對而產生的化學鍵。
  15. Composition feature of hydration products of cementitous materials with steel - making slag powder is studied by xrd and dta - tg and influence of mineral additives on hydration rate also investigated by chemical bond water of ultimate hydration products

    利用xrd 、 dta一tg研究了含鋼渣粉膠凝材料水化產物的組成特徵,並用極限水化產物的結合水量推算了摻合料對水泥水化速率的影響。
  16. In order to improve the properties of materials, one needs to understand the structural relationship between interface and matrix of the materials, such as interface atomic structure, misfit dislocation, chemical bond structure, stress field distribution, composition segregation etc. there are tremendous research works on the grain boundary and interface structures during last century and the sophisticated theory about grain boundary and interface, i. e. coincidence site lattice and 0 - lattice theories had been developed simultaneously

    眾所周知,材料的宏觀性質是由其微觀結構所決定的,因此,為了改善材料的宏觀性能我們有必要弄清楚材料的界面與基體之間的結構關系,如界面的原子結構、失配位錯、化學鍵合、應力場的分佈等等。在上世紀,人們已對晶界和相界面結構進行了大量的研究,同時,相關的理論如「重位點陣」和「 o -點陣」理論也發展成熟。
  17. Sio2 optical anti - reflective thin films with micropores were prepared with esam method. the optical properties of pdda / sio2 complex films against the changes in temperature in the processof heat treatment were studied. after heat treated at 520 c, the light transmittance at certain wavelengths of the thin improved greatly. the chemical bond structures of the optical thin films was studied with ft - ir, and surface analysis of the thin films was carried out using xps and their anti - scratching performances were studied

    用esam法制備了sio _ 2多孔光學增透薄膜,研究了pdda sio _ 2納米復合薄膜在熱處理過程中光學性能隨溫度的變化規律,發現520熱處理后一定波長下的光透過率大大增強;用ft - ir研究了熱處理后的薄膜的組成,用xps進行了表面分析,研究了薄膜的耐機械擦傷強度,發現1 ~ #薄膜的耐機械擦傷強度較小,甚至小於相應的pdda sio _ 2納米復合薄膜的耐機械擦傷強度,而2 ~ #薄膜的耐機械擦傷強度則大大增強,即使用刀片平刮也只略有損傷。
  18. The nature of chemical bond of halide and chalcogenide glasses was discussed in terms of the che - mical bond approach

    本文採用化學鍵方法對鹵化物及硫鹵玻璃的化學鍵特性進行了探討。
  19. 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。
  20. The analysis of the dissociation energy indicates that five structures were linked by the strong interaction, other two structures were linked by chemical bond. 1. 3

    分析了它們的離解能,表明存在5種構型以較強的相互作用相結合,而另2種構型則是以化學鍵的形式存在。
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