?niobium

niobium發(fā)音

[nai'əubiəm]

英：　　美：

niobium中文意思翻譯

鈮

niobium詞形變化

簡(jiǎn)寫(xiě)符號: Nb |

niobium常見(jiàn)例句

1 、Development of Niobium in the World───世界鈮的發(fā)展動(dòng)態(tài)

2 、Investigation of Relationship of Niobium Oxides Structure and Acidity───氧化鈮結構和酸性關(guān)系的研究

3 、Study on Separation of Niobium, Tantalum and Titanium with Zerolit FF Resin───用Zerolit FF樹(shù)脂分離鈮、鉭、鈦的研究

4 、niobium based ultrahigh temperature alloy───Nb基超高溫合金

5 、The metal sheet may be of stainless steel, titanium, silver, niobium, their alloy or other excellent conductor;and on the surface of the metal sheet one layer of gold or other coating may be plated.───本發(fā)明采用的金屬板可以是不銹鋼板、鈦板、銀板、鈮板或者上述材料的合金板以及其它良導體，還可以在這些金屬板的表面鍍上一層金或其它鍍層。

6 、Study on Improving Corrosion Resistance Abilities of Pure Iron by Ion Implantation with Niobium───注鈮法改善純鐵的抗腐蝕性研究

7 、The roles of vanadium，titanium，niobium microalloying in steels were described.the development work done by An Steel and the prospects for V-Ti-Nb microalloyed steels were introduced.───對釩、鈦、鈮在鋼中的微合金化作用作了全面闡述，并介紹了鞍鋼在開(kāi)發(fā)釩、鈦、鈮微合金鋼方面所進(jìn)行的工作及前景。

8 、NIOBIUM ROD, 19MM (0.75IN) DIA, HARD, 99.8% (METALS BASIS───反)-3-氧代-2-戊基環(huán)戊烷乙酸甲酯

9 、Application: For niobium metal billets and powder, niobium carbide, ceramic capacitors etc.───用途：產(chǎn)品用于生產(chǎn)陶瓷電容器，碳化鈮，鈮粉，鈮條等。

10 、Catalytic kinetic spectrophotometry for determination of trace niobium in bone coal residue───催化動(dòng)力學(xué)光度法測定石煤渣中痕量鈮的研究

11 、I also wish to know about the Reactor Grade Niobium sheet.───我并且希望知道關(guān)于反應器等級鈮板料。

12 、low alloy steel containing aluminium and niobium───含鋁、鈮低合金鋼

13 、The exceptionally rich resource of niobium and its stable price has made the use of Nb attractive and predictable for the flourishing development of Nb as a microalloying element in steels.───國際市場(chǎng)鈮鐵價(jià)格的長(cháng)期穩定使鈮微合金化技術(shù)成為鋼鐵工業(yè)持續穩定發(fā)展的重要伙伴,是保持含鈮高強度鋼技術(shù)創(chuàng )新和使用鈮的動(dòng)力。

14 、Abstract Niobium is one of the most effective microalloying elements of steel and has been used in niobium bearing steel for the construction of large ships and sea engineering.───摘要 鈮鋼主要用于大型船舶和海上工程建設，所以鈮鋼的耐海水腐蝕性能非常重要。

15 、Recovery of Tantalum and Niobium from Secondary Material───從二次原料中回收鉭鈮

16 、Notes on Separation of Niobium,Tantalum and Titanium with Zerolit FF Resin───用Zerolit FF樹(shù)脂分離鈮、鉭、鈦研究簡(jiǎn)介

17 、Keywords electron back-scattered diffraction;niobium;texture;───電子背散射衍射;鈮板;織構;

18 、Kinetic Investigations on the Leaching of Niobium from a Low-Grade Niobium-Tantalum Ore by Concentrated KOH Solution───低品位鈮鉭礦高濃堿性介質(zhì)浸出過(guò)程動(dòng)力學(xué)研究

19 、It is very significant extracting niobium, tantalum from tungstenic slag. The extraction method and the computational formula of it are given out in this paper.───從鎢礦渣中提取鈮、鉭具有重要的意義。本文給出了提取方法及相應的計算公式。

20 、stannic oxide and niobium pentoxide codoped───氧化錫氧化鈮共摻雜

21 、In the paper, the novel method of electro-deoxidization, namely, FFC Cambridge Process method was used to reduce solid Nb_2O_5 directly to niobium metal in a eutectic melt of CaCl_2-NaCl.───本文采用FFC Cambridge Process法，亦稱(chēng)熔鹽電脫氧法，在CaCl_2-NaCl熔鹽中，以燒結的Nb_2O_5片為陰極、石墨棒為陽(yáng)極，在3.1V電壓下將Nb_2O_5直接還原成金屬鈮。

22 、They include niobium and vanadium micro-alloying technology,microalloy slab quality ...───提出了實(shí)施精品生產(chǎn)戰略的技術(shù)措施。

23 、Textures in deep punching niobium sheets have been examined by the EBSD technology in the present paper.───介紹了采用電子背散射衍射測定深沖用再結晶鈮板織構的結果。

24 、Investigation of MnCoNi System NTC Thermistors Doped with Niobium Oxide───Nb_2O_5摻雜對MnCoNi系NTC熱敏電阻材料的影響

25 、Keywords spectrophotometry;niobium;nitric acid;nitrosulfophenol S;───分光光度法;鈮;硝酸;硝基磺酚S;

26 、electron beam surface niobium alloying───電子束表面鈮合金化

27 、low carbon high niobium steel───低碳高鈮鋼

28 、Determination of Trace Niobium in Steel by OES───火花光源發(fā)射光譜法測定鋼中微量鈮

29 、THERMAL CONDUCTIVITY OF NIOBIUM USED FOR SUPERCONDUCTING RF CAVITIES───用于射頻諧振腔的純鈮熱導率的測量

30 、This article introduced the increment of measurement channels for the elements silicon,phosphorus,niobium and titanium by changing the entrance slit angle,based on the fixed channels of the ICP AES.───本文在ICP-AES所裝置的固定通道的基礎上，運用改變入射狹縫角度的辦法，擴展了硅、**、鈮和鈦元素的測量通道，入射狹縫角度的改變由步進(jìn)馬達控制。

31 、Keywords Nb_2O_5;ammonolysis;niobium nitride;nanocrystalline powders;───五氧化二鈮;氨解;氮化鈮;納米粉體;

32 、My company's main mining and minerals trade, now has copper, niobium Y Mine, one of the tungsten and molybdenum mine, for domestic and foreign customers with quality service and minerals.───我公司主營(yíng)礦業(yè)開(kāi)發(fā)及礦產(chǎn)品貿易，現擁有銅礦、鈮釔礦、鎢鉬礦各一座，可為國內外客戶(hù)提供優(yōu)質(zhì)礦產(chǎn)品和服務(wù)。

33 、The method has been used in the determination of niobium in the alloy steel and in geological samiples with satisfactory results.───并將方法用于低合金鋼、化探樣、磁鐵礦樣品中低含量鈮的測定，取得較好的效果。

34 、Abstract The property and catalytic application of niobium oxide in the multiphase field were briefly introduced.───摘 要 簡(jiǎn)要介紹了鈮氧化物的性質(zhì)及其在多相催化領(lǐng)域內的應用。

35 、Keywords methanol;ethanol;isobutyraldehyde;niobium;phosphotungstic acid;───關(guān)鍵詞甲醇;乙醇;異丁醛;鈮;**鎢酸;

36 、Based on analysising characteristic of BT5-1 titanium alloy and C-103 niobium alloy, and peculiarity of electron beam welding(EBW), BT5-1 and C-103 was welded by EBW.───基于BT5 1鈦合金與C 103鈮合金性能的分析和電子束焊接的特點(diǎn),實(shí)現了 BT5 1 與 C 103 的電子束焊接。

37 、Keywords spectrophotometry;low alloy steels;slags;niobium;───分光光度法;低合金鋼;爐渣;鈮;

38 、General Economic Situation of Global Niobium Industry───世界鈮工業(yè)經(jīng)濟概況

39 、Keywords Flow injection;chemiluminesence;on line separation;niobium;tantalum;───流動(dòng)注射;化學(xué)發(fā)光;在線(xiàn)分離;鈮;鉭;

40 、Research on Aging Method for New-Type Niobium Chip Capacitor───新型片式鈮電容器老化方法的研究

41 、The effect of amount of Niobium dopant on microstructure and semiconductingproperties of porous BaTiO3 ceramics were studied by SEM and ELS.───本文用掃描電子顯微鏡（SEM）和微區能港分析（ELS）研究了Nb摻雜濃度對多孔BaTiO3陶瓷顯微結構及半導化性能的影響；

42 、Microlite is a mineral, principally calcium pyrotantalate, Ca2Ta2O7, usually including niobium, fluorine, and other impurities, occurring in cubic crystals.───微晶石是一種礦物質(zhì)，主要是鈣pyrotantalate，Ca2Ta2O7，通常包括鈮，氟等雜質(zhì)，是一種立方晶體。

43 、Keywords Q345B;heavy plate;titanium;niobium;microally;inclusion;precipitate;───厚鋼板;鈦;鈮;微合金化;夾雜物;析出物;

44 、Using the modified analytic embedded-atom method (MAEAM), the molecular dynamics (MD) simulation was performed to study the premelting and melting behavior of (001) plane of niobium and tungsten.───摘要采用改進(jìn)分析型嵌入原子方法(MAEAM)，對鈮、鎢晶體的(001)面預熔和熔化過(guò)程進(jìn)行分子動(dòng)力學(xué)模擬。

45 、Garwin and Juri Matisoo published a design for a 1,000-kilometer transmission cable made of niobium tin, which superconducts at high currents.───Garwin）和馬蒂蘇（JuriMatisoo）發(fā)表一項設計，以鈮錫合金制成1000公里長(cháng)的輸送電纜，能以超導特性輸送大電流。

46 、Keywords potassium fluotantalate;niobium;visual colorimetric analysis;───氟鉭酸鉀;鈮;目視比色;

47 、laser surface niobium alloying───激光表面鈮合金化

48 、A method has been proposed for determination of Bi,Se,Te in high-purity niobium pentoxide by HG-ICP-OES.───提出了氫化發(fā)生電感耦合等離子體發(fā)射光譜法(HG-ICP-OES)測定高純氧化鈮中鉍、硒、碲的分析方法。

49 、Development Strategy of Tantalum- Niobium Industry in China after It's Entry in to WTO───加入WTO后我國鉭鈮工業(yè)的發(fā)展對策

50 、A method for the determination of fluorine in tantalum and niobium production waste liquid by (superscript 19)F-NMR technology was developed.───摘要建立了一種核磁共振波譜測定鉭、鈮生產(chǎn)的廢液中氟含量的方法。

51 、Keywords Niobic acid;Niobium oxide;Catalytic app lications;───關(guān)鍵詞鈮酸;氧化鈮;催化應用;

52 、The results indicate that niobium compounds form during solidification, leading to the refinement of austenite grains.The mechanism of grain refinement has been investigated extensively.───提出:鈮化物是在凝固過(guò)程中形成,具有細化奧氏體晶粒的作用,并分析研究了鈮細化高錳鋼奧氏體晶粒的機制。

53 、a black mineral that is an ore of niobium and tantalum.───一種黑色礦物，是鈮、鉭礦石。

54 、The roles of vanadium,titanium,niobium microalloying in steels were described.the development work done by An Steel and the prospects for V-Ti-Nb microalloyed steels were introduced.───對釩、鈦、鈮在鋼中的微合金化作用作了全面闡述,并介紹了鞍鋼在開(kāi)發(fā)釩、鈦、鈮微合金鋼方面所進(jìn)行的工作及前景。

55 、Abstract The extraction properties and mechanism of niobium thiocyanate complex with secondary amine 7203 are studied.───摘要 研究了仲胺7203(簡(jiǎn)寫(xiě)為7203)萃取鈮硫氰酸鹽絡(luò )合物的性能及其機理。

56 、Kinetics of Strain Induced Precipitation of Niobium Carbonitrides in Austenite of Nb Steels───含鈮高強結構鋼應變誘導沉淀相析出動(dòng)力學(xué)

57 、SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM USING ERIOCHROME BLUE BLACK B───用鉻藍黑B作鈮的分光光度測定

58 、Keywords spark source atomic emission spectrometry;niobium;worm steel;───火花源原子發(fā)射光譜;鈮;**螺紋鋼;

59 、The tantalum and niobium reserves of China amount to 20% and 1.5% of world wide reserves, respectively.───摘要我國的鉭占世界儲量的20%，鈮占世界儲量的1.5%。

60 、niobium ( Nb ) pentafluoride───五氟化鈮

61 、EXPERIMENT RESEARCH ON SMELTING OF BAOTOU NIOBIUM ORE───包頭鈮鐵礦冶煉實(shí)驗研究

62 、A black mineral is an ore of niobium and tantalum.───一種黑色礦物是鈮、鉭礦石。

63 、Mainly iron, manganese, copper, gold, niobium, tantalum, uranium, feldspar, quartz, mica, vermiculite, granite, red bean paste and so on.───主要有鐵、錳、銅、金、鈮、鉭、鈾、長(cháng)石、石英、云母、蛭石、花崗巖、豆沙等。

64 、Visual Colorimetric Analysis for Niobium Content of the Potassium Fluotantalate───氟鉭酸鉀中微量鈮的目視比色測定

65 、niobium oxide thin film capacitor───氧化鈮薄膜電阻器

66 、Determination of Niobium and Tantalum in Complex Samples by Flow Injection Chemiluminescence Method───流動(dòng)注射化學(xué)發(fā)光法測定復雜物料中的鈮和鉭

67 、hypoeutectoid uranium niobium alloy───亞共析U-Nb合金

68 、Mine resources mainly iron, tungsten, tin, lead, zinc, tantalum, niobium, gold, coal, limestone, fluorite, granite, more than 20 kinds.───主要礦廠(chǎng)資源有鐵、鎢、錫、鉛、鋅、鉭鈮、金、煤、石灰石、螢石、花崗巖等20余種。

69 、We export Titanium, Tantalum, Niobium, Zirconium and Nickel materials and finished products, kindly contact for inquiry!───我司出口鈦，鉭，鈮，鋯，鈮金屬材料及其制品。

70 、She was among the first to utilize lasers for magneto-optics experiments, and she was a pioneer in determining how certain semimetals, including vanadium and niobium, transport heat and electricity.───她是第一個(gè)利用雷射做磁光學(xué)（magneto-optics）實(shí)驗的人。她也是研究半金屬（如釩、鈮）導電、導熱性質(zhì)的先驅者。

71 、Methods for chemical analysis of tantalum and niobium--Determination of sulphur content in niobium───GB/T15076.8-1994鉭鈮化學(xué)分析方法鈮中硫量的測定

72 、Characteristics of High Capacitance Niobium Powders Used for New Chip Capacitors───新型片式電容器用高比容鈮粉的特性

73 、To remove dissolved oxygen in the molten metal prior to pouring, elements have been added which have high affinity for oxygen such as titanium, vanadium, niobium and magnesium.───為了在澆鑄之前消除熔化金屬中的溶解氧，需要在金屬中添加具有很高的氧親合力的元素，如鈦，釩，鈮和鎂。

74 、Spectral Analysis of Impurity in Niobium by DV-5 Direct-Reading Spectrometer───DV-5直讀光譜儀在鈮中雜質(zhì)光譜分析中的應用

75 、compounds containing niobium───含鈮化合物

76 、Keywords carbyne complexes;phosphorus ylide;Niobium;Tantalum;───卡拜化合物;膦葉立德;鈮;鉭;

77 、THE PROGRESS IN RESEARCH OF HIGH TEMPERATURE MATERIALS CONTAINING NIOBIUM───含鈮高溫材料的研究進(jìn)展

78 、The historical development of niobium as a microalloying element in steels has been reviewed with its economic advantages.───敘述了國際上鈮微合金化技術(shù)的發(fā)展歷史及鈮作為微合金化元素在鋼中應用的經(jīng)濟性和技術(shù)性?xún)?yōu)勢。

79 、Niobic acid and compounds containing niobium are applied in a wide range of catalysis fields for their unique acidic property and thermal stability.───摘要鈮酸和含鈮化合物獨特酸性和熱穩定性，廣泛的應用催化領(lǐng)域中。

80 、Simultaneous Determination of Trance Niobium and Tantalum via Kalman Filter-flow Injection Chemiluminescence───Kalman濾波-流動(dòng)注射化學(xué)發(fā)光法同時(shí)測定痕量鈮和鉭的研究

鉭鈮礦的介紹

鉭鈮(tǎn ní)礦（tantalum-niobium ores）是指含有鉭和鈮地礦物的總稱(chēng)。共有百余種。其中可作礦石開(kāi)采的，主要由鉭鐵礦、鈮鐵礦和燒綠石。鉭(Ta)鈮(Nb)都屬于高熔點(diǎn)（鉭 2996℃、鈮2468℃）、高沸點(diǎn)（鉭5427℃、鈮5127℃）稀有金屬，外觀(guān)似鋼，灰白色光澤，粉末呈深灰色，具有吸氣、耐腐蝕、超導性、單極導電性和在高溫下強度高等特性。用于制備氧化鉭、氧化鈮，提煉鉭、鈮等。品位分析可以通過(guò)專(zhuān)用的鉭鈮礦浪聲礦石分析儀進(jìn)行快速分析。

耬鈮是什么字

耬lóu鈮ní

耬是古代的播種用的農具，由牲畜牽引，后面有人扶著(zhù)，可以同時(shí)完成開(kāi)溝和下種兩項工作。其農作工具為現在播種機的前身，用耬播種。

鈮 niobium一種化學(xué)元素?；瘜W(xué)符號Nb，原子序數41，原子量92.90638，屬周期系ⅤB族。1801年英國C.哈切特從鈮鐵礦中分離出一種新元素的氧化物，并命名該元素為columbium（中譯名鈳）。