?niobium

niobium發(fā)音

[nai'əubiəm]

英：　　美：

niobium中文意思翻譯

鈮

niobium詞形變化

簡寫符號(hào): Nb |

niobium常見例句

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(jié)構(gòu)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(dǎo)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(duì)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(cè)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(yīng)器等級(jí)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)格的長期穩(wěn)定使鈮微合金化技術(shù)成為鋼鐵工業(yè)持續(xù)穩(wěn)定發(fā)展的重要伙伴,是保持含鈮高強(qiáng)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(shè)，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樹脂分離鈮、鉭、鈦研究簡介

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

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(yīng)的計(jì)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，亦稱熔鹽電脫氧法，在CaCl_2-NaCl熔鹽中，以燒結(jié)的Nb_2O_5片為陰極、石墨棒為陽極，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(zhàn)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(cè)定深沖用再結(jié)晶鈮板織構(gòu)的結(jié)果。

24 、Investigation of MnCoNi System NTC Thermistors Doped with Niobium Oxide───Nb_2O_5摻雜對(duì)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(cè)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(dǎo)率的測(cè)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(chǔ)上，運(yùn)用改變?nèi)肷洫M縫角度的辦法，擴(kuò)展了硅、**、鈮和鈦元素的測(cè)量通道，入射狹縫角度的改變由步進(jìn)馬達(dá)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.───我公司主營礦業(yè)開發(fā)及礦產(chǎn)品貿(mào)易，現(xiàn)擁有銅礦、鈮釔礦、鎢鉬礦各一座，可為國內(nèi)外客戶提供優(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(cè)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 簡要介紹了鈮氧化物的性質(zhì)及其在多相催化領(lǐng)域內(nèi)的應(yīng)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(xiàn)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(jì)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(qū)能港分析（ELS）研究了Nb摻雜濃度對(duì)多孔BaTiO3陶瓷顯微結(jié)構(gòu)及半導(dǎo)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(duì)鈮、鎢晶體的(001)面預(yù)熔和熔化過程進(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(xiàng)設(shè)計(jì)，以鈮錫合金制成1000公里長的輸送電纜，能以超導(dǎo)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(cè)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(duì)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(cè)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(yīng)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:鈮化物是在凝固過程中形成,具有細(xì)化奧氏體晶粒的作用,并分析研究了鈮細(xì)化高錳鋼奧氏體晶粒的機(jī)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(duì)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(簡寫為7203)萃取鈮硫氰酸鹽絡(luò)合物的性能及其機(jī)理。

56 、Kinetics of Strain Induced Precipitation of Niobium Carbonitrides in Austenite of Nb Steels───含鈮高強(qiáng)結(jié)構(gòu)鋼應(yīng)變誘導(dǎo)沉淀相析出動(dòng)力學(xué)

57 、SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM USING ERIOCHROME BLUE BLACK B───用鉻藍(lán)黑B作鈮的分光光度測(cè)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(chǔ)量的20%，鈮占世界儲(chǔ)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(yàn)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(cè)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(cè)定復(fù)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(yàn)的人。她也是研究半金屬（如釩、鈮）導(dǎo)電、導(dǎo)熱性質(zhì)的先驅(qū)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(cè)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(yīng)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(yīng)用的經(jīng)濟(jì)性和技術(shù)性優(yōu)勢(shì)。

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(dú)特酸性和熱穩(wěn)定性，廣泛的應(yīng)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(cè)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。共有百余種。其中可作礦石開采的，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，外觀似鋼，灰白色光澤，粉末呈深灰色，具有吸氣、耐腐蝕、超導(dǎo)性、單極導(dǎo)電性和在高溫下強(qiáng)度高等特性。用于制備氧化鉭、氧化鈮，提煉鉭、鈮等。品位分析可以通過專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(nóng)具，由牲畜牽引，后面有人扶著，可以同時(shí)完成開溝和下種兩項(xiàng)工作。其農(nóng)作工具為現(xiàn)在播種機(jī)的前身，用耬播種。

鈮 niobium一種化學(xué)元素。化學(xué)符號(hào)Nb，原子序數(shù)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）。