查询词典 NI

Morphology and photoluminescence investigation are disclosed that there exist strong correlation between the characteristics of the surface morphology and PL, i.e., the samples prepared with lower Ni~(2 ) concentration are exhibited more regular surface morphology, stronger PL, as well as narrower PL band.

实验表明，样品的表面形貌与其光致发光特性之间存在强烈的关联：采用具有较低Ni~(2 )浓度的腐蚀液所制备的样品表面形貌更为均匀，并具有相对较强的发光和较窄的发光峰。

In order to investigate the influence of surface tension gradient driven convection on solidification behavior of alloys under microgravity, remelt and solidification of Al-Al〓Ni eutectic alloys, which have characteristics of directional growth along temperature gradient, were carried out on board Chinese retrievable satellite.

利用我国返回式科学实验卫星搭载的梯度炉和Al-Al〓Ni共晶合金定向生长的特点，研究了与重力无关的表面张力驱动对流（Marangoni对流）对合金凝固行为的影响，在空间微重力下获得了弯曲的双涡放射状共晶组织。

It was anticipated that more than 50% of ash and the hazardous elements As, Co, Cr, Cu, Hg, Mn and more than 30% of sulfur in most coal would be routinely removed by physical coal cleaning procedures, however, the removability of other hazardous elements Ba, Be, Cd, Cl, Mo, Ni, P, Pb, Sb, Se, Th, U, V and Zn displayed relatively lower or a wide range of variation.

结果表明：物理洗选不但能降低煤中的灰分与硫分，还能不同程度地脱除煤中有害微量元素；预测在物理洗选过程中，多数煤中灰分以及有害微量元素As、Co、Cu、Cr、Hg与Mn的脱除率大于50％，硫分的脱除率大于30％，其它有害微量元素Ba、Be、Cd、Cl、Mo、Ni、P、Pb、Sb、Se、Th、U、V与Zn的脱除率相对较低或表现出一个宽的变化范围。

Thirdly, the properties of secondary minima with high or super deformations in Ni, Cu and Zn isotopes near βstability are investigated with the RMF theory.

三、利用RMF理论，对Ni，Cu和Zn的高形变或超形变态的二级极小值的粒子发射稳定性进行了研究，获得了与实验比较好的一致。

An ion-chromatography method was described for the determination of Cu, Ni and Zn in scandium oxide.

离子色谱法测定氧化钪中的铜、镍、锌潘炳贤，周春山，熊兴安，王艳，徐卫红（中南工业大学化学化工新技术研究所，长沙，410083）摘要介绍了离子色谱法对氧化钪中的Cu，Ni，Zn等元素的分离和测定。

The tribological characteristics of a high-temperature self-lubricating material, which is made from Ni-20Cr and 20%powders by hot pressing, are studied in detail.

研究了在Ni-20Cr合金粉中添加质量分数为20%MoS2，通过热压法制备得到的高温自润滑材料的摩擦学特性。

Its hardware is composed of a portable computer、 NI data acquisition card、 signal pretreatment box and sensors. Its software is programmed under Labview.

系统硬件由一台便携式笔记本计算机、NI数据采集卡、信号调理箱、传感器组成，软件在Labview图形化编程环境下开发。

The system lays NI PXI box,signal conditioning and data acquisition module in different places of the compressor with LabVIEW as the software platform to realize monitoring functions such as multichannel data acquisition,signal analysis,data store,data recall and so on.

通过在压缩机不同位置分布NI PXI机箱和信号调理、采集模块，LabVIEW为软件开发平台，实现了多通道数据采集、信号分析，以及数据存储、历史数据复现等监测功能。

The heavy metals in various environmental mediums around a Ni-Cu mine in the City of Jinchang, Gansu Province, were analyzed using ICP-AAS. These mediums include the cultivated soils, the weathering and atmospheric deposition on waste slagheap surface, the tailings, and the sludge in the drainage ditch by the tailings.

对甘肃省典型矿业城市金昌市周围农田土壤、废渣堆表面风化物及降尘、尾矿坝尾矿砂和尾矿坝旁排污沟沉积物中Cr、Cu、Ni、Pb、Zn含量及其化学形态进行分析。

It is the first time and elementary to prove it is right that the"liquid micromulti-phase structure model"is suit to unlimited solubility solid solution system by the structure analysis of liquid metal X-ray diffraction and theory calculation on Cu〓Ni〓 alloy liquid and undercooled liquid between its liquidus and solidus.

通过对Cu〓Ni〓合金在两相区过冷状态下的液态X-射线结构分析和理论计算，首次初步证实了"液态微观多相结构"模型适合于固态无限固溶体系这一思想的正确性，但由于实验的难度未能用多种合金进行考核，这是我们今后要进一步做的工作。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。