查询词典 rare earth

The influence of light rare earth oxides on the activity of Pd/Y-Al2O3 has been discussed in this.

研究了轻稀土氧化物添加对Pd／γ－AL2O3催化剂活性的影响。

After the separation of the target material and other nuclides, the recovery total of the rare earth elements was larger than 70%.

在分离剔除靶子物质和其它核素后，对稀土元素的总收率大于70％。

The middle and long wave infrared optical constants of evaporated films,such as germanium,zinc sulphide,low absorption rare earth fluoride,etc,were obtained by fitting the transmission spectrum based on classical Lorenz oscillator model.

使用经典洛伦兹谐振子模型对热蒸发制备的锗、硫化锌以及低吸收稀土氟化物薄膜的红外透射光谱进行拟合，得出这些材料在中长波红外区的光学常量。

The invention belongs to the technical field of rare earth luminescent materials and in particular relates to a process for preparing a Eu-doped zinc ammonium phosphate orange red luminescent powder material.

本发明属于稀土发光材料技术领域、具体涉及一种铕掺杂的磷酸锌铵橙红色发光粉材料的制备方法。

The effect of rare earth metal yttrium on the microstructure, chemical composition, hardness, and wear resistance of vacuum fusion sintered Ni-based coatings was studied.

研究了稀土金属Y对真空熔结Ni基合金涂层显微组织及化学组成、硬度和耐磨性的影响。

In order to increase the peak depth of nitrogen atoms during the nitrogen plasma ion implantation of Ti-6Al-4V alloy, the rare earth metal yttrium was used to increase the implantation and diffusion depth of nitrogen atoms. In the experiment, the yttrium ions were implanted under the voltage of 20 kV firstly, and then the nitrogen ions were implanted under 30 kV.

为了提高氮离子体浸没离子注入Ti-6Al-4V合金时氮原子的峰值深度，利用钇来增加氮在基体中的注入深度和扩散深度，先用20 kV的电压进行钇离子体浸没离子注入处理，然后用30 kV的电压进行氮离子体浸没离子注入处理。

WANG Lang-ping, TANG Bao-yin, WANG Xiao-feng, WANG Song-yan, LIU Ai-guo, TIAN Xiu-bo (National Key Laboratory of Advanced Welding Production and Technology, Harbin Institute of Technology, Harbin 150001, China)Abstract: In order to increase the peak depth of nitrogen atoms during the nitrogen plasma ion implantation of Ti-6Al-4V alloy, the rare earth metal yttrium was used to increase the implantation and diffusion depth of nitrogen atoms. In the experiment, the yttrium ions were implanted under the voltage of 20 kV firstly, and then the nitrogen ions were implanted under 30 kV.

为了提高氮等离子体浸没离子注入Ti-6Al-4V合金时氮原子的峰值深度，利用钇来增加氮在基体中的注入深度和扩散深度，先用20 kV的电压进行钇等离子体浸没离子注入处理，然后用30 kV的电压进行氮等离子体浸没离子注入处理。

The inner core has been impregnated or 'doped' with a substance that will absorb the diode light, in the case shown the rare earth metal ytterbium.

内核的内部被注入或掺杂一种能吸收二极管光线的物质，此物质为稀土金属-镱，。

As a sub- project of national science and technology key project——"The Research andDevelopment of High Performance Rare Earth Permanent Magnet Machine ", this paper presents the research on several key questions of designing premium-efficiency permanent magnet synchronous motor uses in the fan or pump ,such as efficiency, power factor, pull-out torque and so on. The achievement that has value in the Engineering is obtained.

作为国家重点科技攻关项目&高性能稀土永磁电机的研究与开发&的一个子课题，本文围绕风机、泵类负载用超高效永磁同步电动机设计中的效率、功率因数、失步转矩等几个关键问题进行了研究，取得了工程上具有使用价值的成果。

V.Mining projects, including the exploration and mining of gold and the exploitation and utilization of rare-earth metal.

矿业项目，包括黄金勘探与开采、稀土开发与利用。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了