硼化鎂 的英文怎麼說

中文拼音 [pénghuàměi]
硼化鎂 英文
magnesium diboride
  • 硼 : 名詞[化學] （非金屬元素） boron （b）
  • 鎂 : 名詞[化學] magnesium （12號元素, 符號 mg）
  1. Ascharite ores - determination of ferrous oxide content - potassium dichromate volumetric method

    硼鎂礦石中氧化亞鐵含量的測定重鉻酸鉀容量法
  2. In this study, the kindling temperature of pure magnesium covered with the boronised substance and mg - al alloys, using the kindling temperature measuring method designed in this study, and exploring the boronised substance and aluminium ’ s influencings on the pure magnesium ’ s kindling temperature

    應用本研究中所設計的燃點測試方法，對材料表面浸塗有硼化物的純鎂試樣和鎂-鋁合金試樣的燃點進行了測試，並通過大量試驗，探討了硼和鋁對鎂燃點的影響特點。
  3. As is the case with everyday objects such as wineglasses or guitar strings, objects made from lower - mass materials have higher characteristic frequencies than otherwise identical objects made from higher - mass materials

    將原有的鎂或硼以它們的同位素取代，我們可以製造出由不同質量的原子所構成的硼化鎂。
  4. Mgb2 can be cooled by liquid hydrogen or liquid neon or by fairly cheap, closed - cycle refrigerators that can readily reach below 20 k

    硼化鎂可以藉由液態氫、液態氖或是相當便宜的封閉循環式冷凍機，輕易降溫至20k以下。
  5. Using magnesium hydride as a destabilizer for lithium borohydride, for instance, lowers the release temperature from 400 to 275 degrees c

    舉例來說，以氫化鎂當做硼氫化鋰的去穩定劑，可以將釋放氣體所需的溫度從400降到275 。
  6. Doping properties of mgb2 superconductor

    硼化鎂超導體的摻雜性質
  7. We expected that this dense vapor would diffuse into the solid boron, producing pellets of mgb2

    我們預期這麼濃的蒸氣會擴散到固態硼的內部，然後產生顆粒狀的硼化鎂。
  8. Abstract : by experiment, the effect of b2o3 on high - temperature performance of magn esium refractory was analysed systematically. the mechanism of boron contaminatio n in the process of magnesium oxide synthesis with bittern or sea water and the way of preparing magnesium oxide with low boron content were described

    文摘:通過實驗，系統分析和闡述了b2o3對鎂質耐火材料高溫性能的影響，鹵（海）水合成氧化鎂過程中硼污染的機理，以及制取低硼氧化鎂的有效途徑。
  9. Founded in may in 2001, zhejiang jinke chemicals co., ltd is a specialized manufacturer of daily used chemical raw materials

    金科介紹，四乙酰乙二胺，過碳酸鈉，過氧乙酸，過硼，過氧化鈣，過氧化鎂
  10. Neither magnesium nor boron brought particularly many electrons to mgb2

    在硼化鎂中，鎂跟硼都沒有提供特別多電子。
  11. This is not good news if the goal is to use mgb2 in magnets, which are meant to produce a strong field

    如果我們打算用硼化鎂來製作可以產生強磁場的磁鐵，這可不是一件好事。
  12. To their great surprise, mgb2 defied these rules and blew away the barrier to higher temperatures

    但是出乎所有人意料的，硼化鎂推翻了這些規則，排除了通往更高轉變溫度路上的障礙。
  13. The critical current density of pure mgb2 is comparable to that of triniobium tin at low magnetic fields but falls off much more rapidly at higher fields

    在低磁場下，硼化鎂的臨界電流密度與三鈮化錫相當，但是在較高的磁場下卻下降得很快。
  14. Sure enough, we found that in as little as two hours this process produced very high purity mgb2 in the form of a loosely sintered pellet ( like sandstone )

    不出所料，在短短的兩個小時內，我們發現這個製程確實能製造出零散燒結狀的高純度硼化鎂顆粒（看起來像砂巖） 。
  15. Currently one of the major challenges associated with making mgb2 a useful superconducting material is to increase its critical current density at higher magnetic fields

    要將硼化鎂製成有用的超導材料，目前最主要的挑戰之一，就是如何在較高的磁場下增加臨界電流密度。
  16. Such achievements have resulted in a good significance for guiding both the research on superconductivity of doping mgb2 and the researchers in their selection of doping elements and doping ratio

    這些結果對摻雜二硼化鎂超導電性的研究工作及今後實驗工作者摻雜元素和摻雜比例的選取都有很好的指導意義
  17. Ascharite ores - determination of calcium and magnesium oxides content - volumetric method

    硼鎂礦石中氧化鈣和氧化鎂含量的測定容量法
  18. The fact that the shift in tc was a little larger than the simple prediction can be accommodated by bcs theory ? it indicates that the boron vibrations are more important to the superconductivity than the magnesium vibrations [ see box on page 87 ]

    雖然這個溫度偏移比理論值稍微大了一點，不過還是符合bcs理論的結果：在影響硼化鎂超導性的因素中，硼的振動比鎂的振動更重要（參見107頁結構與鍵結） 。
  19. Unlike high - temperature superconductors ( copper oxide materials that superconduct at temperatures as high as 130 k ), mgb2 seems to be a traditional superconductor, albeit a novel variant

    和高溫超導體（主要成份為銅氧化合物，轉變溫度最高可達130k ）不同的是，硼化鎂雖然是個新登場的超導材料，看起來卻很像傳統超導體。
  20. It has weak - link free grain boundaries and is a kind of low cost material, . which could be used under 20k ~ 30k. however, mgb2 reveals a poor jc property in high magnetic field. currently in the research of the mgb2 wires and tapes many efforts have been made to improve its grain connection or enhance the jc dependence on the magnetic field using the method of chemical doping

    二硼化鎂是迄今為止所發現的超導臨界轉變溫度最高的非銅氧化物超導材料，它具有無弱連接、成本低廉、能夠在20k 30k應用等優勢，但是mgb2在外場下的臨界電流特性較差，目前在優化粉末套管法制備mgb2線帶材工藝的研究中，通過改善晶間連接和利用化學摻雜提高樣品的超導臨界電流密度是mgb2成材研究的一個重要方向。
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