Nb是什么意思

网络释义

用法例句

Influence of carbon and niobium on microstructures and properties of Inconel 718 alloy deposit coating;

碳、铌对Inconel 718合金熔敷层组织与性能的影响

Microstructure control of low carbon Nb-microalloyed fine grained dual phase steel;

低碳含铌细晶双相钢的组织控制

Influence of Nb on wear resistance of surfacing metal of high Cr cast iron;

铌对高铬铸铁堆焊层耐磨性的影响

Effect of Cu and Nb on Microstructure and Mechanical Property of Multi-layer Weld Metal;

铜和铌对多层焊焊缝金属显微组织和硬度的影响

Research on Method for Fast Determination of Al,P in Ferroniobium;

铌铁中Al、P的快速测定方法研究

Determination of multi-elements in ferroniobium by inductively coupled plasma atomic emission spectrometry

电感耦合等离子体原子发射光谱法测定铌铁中多元素

Niobium films were grown by DC magnetron sputtering on CrNi3Mo steel substrates.

利用直流磁控溅射在钢基体上沉积了铌薄膜,分别采用扫描电镜、原子力显微镜、X射线衍射仪和电化学分析仪研究了不同偏压下铌膜表面形貌、相结构以及耐蚀性。

Influence of sputtering gas pressure on surface morphology, phase structure, wear resistance and corrosion resistance of niobium films has been investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD), atomic force microscopy (AFM), ball-on-disc tester and electrochemical tester respectively.

采用直流磁控溅射在钢基体上制备了铌薄膜,分别采用扫描电镜、原子力显微镜、X射线衍射仪、球盘式摩擦磨损实验机和电化学分析仪研究了不同溅射气压下铌膜表面形貌、相结构、耐磨性以及耐蚀性。

Hydrolysis of glucose solutions over niobic acid as solid acid catalyst;

铌酸催化水解葡萄糖的研究

Catalytic synthesis of DnOP by niobic acid;

铌酸催化合成邻苯二甲酸二正辛酯

Technology survey and development tendency investigation on tantalum-niobium hydrometallurgical extraction;

钽铌湿法冶金技术概况及发展趋势探讨

The paper suggests that it is of great importance and necessity for the development and operation of tantalum-niobium resources enterprises to develop non-metal mineral product market,according to the particularity of tantalum-niobium resources and their fluctuating market.

针对钽铌资源的特殊性及市场经济条件下的起落不定,提出了拓展非矿产品市场在钽铌资源企业开发和经营理念中的异常重要性和必要性。

Current situation including advantages and disadvantages of tantalum-niobium industry in china,and the influence of china's entry in to WTO on domestic tantalum-nibium industry are analyzed.

通过对我国钽铌工业现状及参与国际竞争的优势分析,加入WTO对于我国钽铌工业的主要影响,提出了我国钽铌工业的发展对策,旨在促成我国钽铌工业在激烈的国际竞争中得到长远发展。

Niobium seamless tubes

GB/T8183-1987铌无缝管

Niobium rods and bars

GB/T14842-1993铌棒材

nitrided niobium-titanium-tungsten alloy

氧化铌--钛--钨合金

OXIDATION OF NIOBIUM AND NIOBIUM ALLOYS AT HIGH TEMPERATURE IN VACUUM

铌和铌合金在真空高温下的氧化现象

The Study on the High-temperature Oxidation-resistant Coating on Niobium and Nb-base Alloy

铌及铌合金高温抗氧化防护涂层研究

Lithium niobate single crystals

GB/T14843-1993铌酸锂单晶

strontium barium niobate pyroelectric crystal plate

铌酸锶钡热电晶片材料

Niobium.No longer in scientific use.

钶铌的旧名，已被废弃

niobate-titanate-tantalate ore

铌酸盐－钛酸盐－钽酸盐矿

Methods for chemical analysis of tantalum and niobium--Determination of tantalum content in niobium

GB/T15076.1-1994钽铌化学分析方法铌中钽量的测定

Methods for chemical analysis of tantalum and niobium--Determination of niobium content in tantalum

GB/T15076.2-1994钽铌化学分析方法钽中铌量的测定

Methods for chemical analysis of tantalum and niobium--Determination of phosphorus content in niobium

GB/T15076.7-1994钽铌化学分析方法铌中磷量的测定

Methods for chemical analysis of tantalum and niobium--Determination of sulphur content in niobium

GB/T15076.8-1994钽铌化学分析方法铌中硫量的测定

The Thermodynamic Analysis and Experiment Research on Niobium Enrichment of Baogang Tailing

包钢含铌尾矿铌富集的热力学分析和实验研究

Methods for chemical analysis of ferroniobium--The paper chromatograph-gravimetric method for the determination of niobium and tantalum content

GB/T3654.1-1983铌铁化学分析方法纸上色层分离重量法测定铌、钽量

" Methods for chemical analysis of tantalum and niobium--Determination of arsenic antimony, lead, tinand bismuth contents in niobium"

GB/T15076.11-1994钽铌化学分析方法铌中砷、锑、铅、锡和铋量的测定

" Methods for chemical analysis of tantalum and niobium--Determination of iron, nickel, chromium, titanium, zirconium, aluminum and manganese contents in niobium"

GB/T15076.10-1994钽铌化学分析方法铌中铁、镍、铬、钛、锆、铝和锰量的测定

Traditionally the sealed hat of niobium alloy using in the high pressure natrium lamp adopt the tube of niobium-zirconium alloy to process.

传统的高压钠灯用铌合金封帽采用铌锆合金管加工而成。