nacre 中文意思是什麼

nacre 解釋
n. 名詞 1. 珠母貝,珍珠母。
2. 真珠層;真珠質。

  1. The experiments show that nacre, a type of natural nano - bioceramic material, when used as bone implant for reconstruction of bone defects, is not only biocompatible and biodegradable, but also osteoconductive and osteoinductive

    本文根據國外文獻有關利用珍珠層作為骨植入材料的研究報道,就珍珠層的生物相容性和可降解性,及其所具有的骨誘導和骨傳導作用的動物臨床實驗結果,進行了綜合分析和論述。
  2. This suggestion not only provides new scientific evidence for the nacre used as pharmaceutical and hygienical products, but also is of significance to the bleaching of pearl so as to increase the quality and the commercial value of pearls

    該研究成果為擴大珍珠及珍珠層在藥用及保健品等領域的應用提供了科學依據,並對珍珠的漂白進而提高其商業價值具有重要的現實意義。
  3. The quality of pearls is judged by the orient, which is the soft iridescence caused by the refraction of light by the layers of nacre, and lustre, the reflectivity and shine of the surface

    珍珠的價值主要由它的光澤顏色大小有無表面的缺陷和形狀來決定的,其中光澤為最重要的因素。其特有的光澤是光
  4. When the pearls are later harvested, the oyster has covered the bead with layers of nacre

    ,形成人工養殖的珍珠。一般兩年就可以收珠了。
  5. As a result, nacre thickness is sometimes just a cosmetic layer that can wear thin over time

    所以真珠質的厚度就像臉上化妝品,不久就會磨薄了。
  6. Fine pearls do not have any flaws or spots in the nacre : it has an even, smooth texture

    在這些透明的真珠質層上反射和衍射所形成的。有些珍珠會有
  7. Recent advances in nacre used as bone implant are reviewed in this paper

    摘要珍珠層是一種天然的納米生物陶瓷材料,一直是生物礦物材料學者研究的焦點。
  8. Pearls are organic gems, created when an oyster covers a foreign object with beautiful layers of nacre

    珍珠是有機寶石,是一些雙殼的軟體動物的產物。
  9. It is likely that nacre will become a good candidate for bone graft substitution in future

    認為珍珠層是一種很有前途的骨植入材料,提出了今後研究的方向。
  10. The pearl continues to grow in size as thousands of layers of the nacre continues to build around the pearl

    尤為特別的是,它的銀光之上有一層閃爍的彩光,美艷而神秘。
  11. Cultured and natural pearls will feel slightly rough, like fine sandpaper, because of the texture of natural nacre

    。天然珍珠和人工養殖珍珠會有些許粗躁的感覺,如同細砂紙般,那是真珠質的天然觸感。
  12. When selecting a pearl, consider that the larger the pearl, the more nacre it has, so it will also exhibit even more luster

    這些珍珠層是平行的,剖面呈同心圓結構。每一珍珠層都十分光滑,而且是半透明的。
  13. Not only then are the smaller, less robust creatures but the pollution in the water changes the color of the nacre and changes the color of the pearl

    珠蚌不但更小,生命力更弱,受到污染的水會改變真珠質和珍珠的顏色。
  14. 3 ) in shell of hyriopsis cumingii ( lea ), the prismatic layers and the nacreous layers are all composed of aragonite minerals, and aragonite crystallites in prismatic layers show obviously preferential orientation of [ 012 ] axis perpendicular to the shell layers, so it is considered that the orientation of aragonite crystallites in prismatic layers perhaps play an important role in deciding the orientation of aragonite crystallites in nacre and acts as one of template to resulting the formation of aragonite with [ 012 ] orientation perpendicular to nacreous layers in nacre

    3 )與海水貝殼明顯不同的是,三角帆蚌稜柱層礦物相與珍珠層一樣皆為文石相,同時查明稜柱層中文石晶體具[ 012 ]軸垂直殼層面的明顯的擇優取向。本文認為,三角帆蚌稜柱層中文石晶體的擇優取向可能對珍珠層中文石晶體的擇優取向存在模板導向的作用,導致珍珠層[ 012 ]定向的文石晶體的形成。
  15. 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。
  16. 2 ) the carotenoids successfully probed in nacre by in situ resonance raman spectra, are considered one of the most important factors responsible for the coloration of nacre and pearl

    2 )採用共振拉曼光譜首次成功地原位探測到三角帆蚌及馬氏珍珠貝珍珠層中類胡蘿卜素的存在,並提出類胡蘿卜素是珍珠層致色的重要原因之一。
  17. To avoid the effects of cosmetics and perfume, pearls should be the last thing a woman puts on before going out and the first thing she takes off after returning home. also, pearls are quite soft, so for the longest - lasting pearls choose those with thick nacre that can help them withstand wear over time. the best way to care for pearls is to wear them often because the body s natural oils keep them lustrous

    從報導的實例來看,由於珍珠緊貼人的頸部,它的有效成分可以經摩擦進入人體,珍珠對體液分泌有一定吸收能力,皮膚對珍珠中所含藥物成分也有吸收,乃至影響局部患處,起消炎治療作用至於能治療神經衰弱癥,是因為珍珠具有鎮驚安神作用,但珍珠項鏈如何起安神作用還值得具體研究。
  18. Application as widely used all over the world, it is a good substitute for asbestos in construction industry, an ideal filling material for paint, dope, rubber and plastic, and its application goes as far as to manyother fields like electric welding, fire retardant, electronic products, oil well drilling and nacre dye

    經加工成雲母粉還有較好地滑動性和較強的附著力。由於雲母和雲母粉本身的性能,主要有如下用途:日用化工原料雲母陶瓷原料油漆添料塑料和橡膠添料建築材料用於焊條藥皮的保護層用於鉆井泥漿填加劑等。
  19. The pearl begins when the mollusk secretes a lustrous substance, called nacre, that coats the irritant and protects the soft internal surface of the mollusk

    得天獨厚的自然條件,配合來自珍珠養殖業的翹楚日本的高超技術,是澳洲南洋珍珠高品質的保證。
  20. 2 aa + perfect round ; excellent luster ; thick nacre (. 5 of total nacre or better ) ; 90 - 95 % inclusion free surface ; excellent matching ; top 5 % of a pearl farm ' s harvest

    圓度極高,極好的光澤,厚的珠層( 0 . 5或以上的珠層含量) , 90 - 95 %的表皮光潔度,極好的匹配,珠農收成中最好的5 %部份。
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