鈮 的英文怎麼說

中文拼音 [ní]
鈮 英文
名詞[化學] （金屬元素） niobium （nb）
  1. The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated

    利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系，系統地得到了以離軸角為自變量的各參數的計算公式及相應的關系曲線，通過數值分析方法給出了聲光優值隨中心頻率的變化曲線並給出了器件的設計參數。
  2. Research on casting process of nb bainite nodular cast iron gear

    鈮貝氏體球墨鑄鐵齒輪的鑄造技術
  3. We are one of the biggest end user of tantalite and columbite. we need the ores at the long - term. if you have the ores to sell, please contact us instantly

    我們是中國最大的使用鉭鈮礦公司之一，我們長期需要鉭礦和鈮礦.如果你有這些礦石，請直接聯系我們
  4. Uses : cold welding of nonferrous metals such as cu al ag ni pt sn zn ta and some of their alloys

    產品用途：對銅、鋁、金、銀、鉑、錫。鉭鈮等有色金屬線材及他們部分合金線材的焊接。
  5. Specification for nickel - iron - chromium - molybdenum - columbium stabilized alloy uns n08700 bar and wire

    穩定的鎳鐵鉻鉬鈮合金棒材及線材規范
  6. Standard specification for precipitation - strengthened low - carbon nickel - copper - chromium - molybdenum - columbium alloy structural steel plates

    沉澱硬化低碳鎳-銅-鉻-鉬-鈮合金結構鋼板的標準規范
  7. Standard specification for pressure vessel plates, low - carbon age - hardening nickel - copper - chromium - molybdenum - columbium and nickel - copper - manganese - molybdenum - columbium alloy steel

    壓力容器用低碳時效硬化的鎳銅鉻鉬鈮和鎳銅錳鉬鈮合金鋼板的標準規范
  8. Study of intensive decomposition technique of titanium - columbite - tantalite ore

    鈦鉭鈮礦強化分解工藝的研究
  9. The compositions of usual elements and rare earth elements and inclusions of corundum megacrysts related to alkali basalt in changle, shandong province, are analyzed. in the main parts of corundum megacrysts are a large number of fluid - melting inclusions, zircon, ta - columbite inclusions, and in the central crystal core are a large number of melting inclusions. the corundum megacrysts were formed in different periods and different physical chemistry conditions. the crystal core was formed in magma system, and the main parts were formed in inhomogeneously geochemical conditions in which magam and fluid phases coexisted

    分析山東昌樂與堿性玄武巖有關的剛玉巨晶不同部位的常量元素、稀土元素及包裹體組成.剛玉巨晶的主體以大量流體?熔體包裹體、鋯石、鈮（鉭）鐵礦包裹體為主，而巨晶中的「晶核」部位則以大量的熔體包裹體為主，反映研究區的剛玉巨晶是在不同的階段形成的.剛玉「晶核」以及「銅皮剛玉」形成於熔體相為主的體系中，而主體剛玉則形成於熔體?流體過渡的急劇變化的不均一的地球化學環境中
  10. Catalytic spectrophotometric determination of ir by decolorizing reation with ir - kio4 - chlorophosphonazo - pn

    催化光度法測定痕量鈮
  11. Standard specification for niobium - hafnium alloy ingots

    鈮鉿合金鑄錠標準規范
  12. Standard specification for niobium - hafnium alloy bar, rod, and wire

    鈮鉿合金棒材桿材和線材標準規范
  13. Niobium is the metallic element with the highest transition temperature.

    鈮是轉變溫度最高的金屬元素。
  14. The pegmatite nb - ta mineral veins were controlled by a group of horizontal tenso - shear axial - direction fault - fissure systems in the nne direction folding structures

    鈮鉭偉晶巖礦脈受控于nne向褶皺構造的一組近水平張扭性軸向裂隙系。
  15. Using niobic acid as catalyst, cyclohexane as dehydrant, benzyl propionate was synthesized based on propionic acid and benzyl alcohol

    摘要以鈮作催化劑，環己烷為帶水劑，用丙酸和苯甲醇直接合成了丙酸芐酯。
  16. Iron and steel - methods for determination of niobium content

    鋼鐵.鈮含量的測定方法
  17. Method for determination of niobium in zirconium alloys

    鋯和鋯合金中鈮含量的測定方法
  18. Titanium ores - methods for determination of niobium

    鈦礦石.鈮含量測定方法
  19. Latest development and research on electrolytic niobium capacitor

    鈮電解電容器最新研究發展動態
  20. Standard specification for niobium and niobium alloy bar, rod, and wire

    鈮和鈮合金棒材桿材及線材標準規范
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