查询词典 nanometer

Transition metal borides and inorganic boron-containing compounds, such as TiB〓, BN, B〓C and BP, are one of the most important groups for application in high-temperature performance, electronics and catalysts. Traditionally, they were prepared by high-temperature reactions; however, the products were beyond nanometer scale.

中文题名溶剂热合成硼化物及非金属含硼化合物纳米材料副题名外文题名论文作者谷云乐导师钱逸泰学科专业无机化学研究领域\研究方向学位级别博士学位授予单位中国科学技术大学学位授予日期2003 论文页码总数70页关键词纳米材料硼化物溶剂热合成馆藏号BSLW /2003 /O613 /6 硼化物、非金属含硼化合物功能材料（如硼化钛、氮化硼、碳化硼和磷化硼等）通常具有高硬度、高熔点、机械强度大、高温化学稳定性好等一系列优良性能，有些还具有奇异的光、电、磁、热学性能和催化活性，是一类最富潜力的非氧化物高温结构材料、电子材料和催化材料。

When the molecule C 60 Buckminsterfullerene and its elongated cousins the carbon nanotubes or Buckytubes were discovered, it suddenly became clear that our understanding of the factors governing the bottom-up assembly of atomic and molecular structures involving carbon and other atoms was quite na ve – especially with regard to dynamic construction events at nanometer dimensions.

当发现C60分子及其延伸物碳纳米管或巴基管时，人们突然清楚地了解到有许多因素决定碳原子结构，并且其它材料也是如此，尤其是关于在纳米级尺寸下的情况。

Taiwan Gaoyin Company has opened up a new prospect in the global market monopolized by the United States and Japan and successfully developed nanometer diaphragm with extraordinary performances in electric capacity, discharge rate, micro-short cir cuit and cycle life, the thickness of which is only 10 micron.

台湾高银公司也研制成功了纳米隔离膜，厚度最薄可至10微米，产品的电容量、放电率、微短路和循环寿命等性能优异，打破了由美、日业者独占该领域全球市场的局面。

Nanometer size titanium dioxides modified by salicylic acid and 5-sulfosalicylic acid (5-SA) were prepared by using surface-modification method.

利用化学吸附法合成了水杨酸和5-磺基-水杨酸表面修饰的TiO2纳米粒子。

The reinforced nanocomposites are usually prepared by dopping particles or fibers with nanometer scale in matrix and then sintering under vacuum or by precipitating nanophase from matrix.

颗粒增强纳米复合材料一般将具有优异力学性能的纳米颗粒或纤维掺入到基体材料中，再经在真空等静压烧结获得，或者控制热处理条件使基质晶淀析出纳米晶第二相而获得。

At pH=11-13, N-pyrite and sp halerite are the best adsorbent of nanometer-sized gold, with the adsorption co efficients being as high as 100%, 83% and 63%.

11.7％。在pH＝11-13的条件下，N型黄铁矿和闪锌矿对纳米金的吸附作用最强，吸附率为100％，黄铜矿为83％，P型黄铁矿为63％。

At pH=4-7.5, pyrite, chalcopyrite and sp halerite are the best adsorbents of nanometer-sized gold, with the adsorption c o efficients being as high as 99%?

在pH＝4-7.5的条件下，黄铁矿、黄铜矿和闪锌矿对纳米金的吸附作用最强，吸附率为99%？

Essential component: Micro biological element, deep sea fish roe essence, collogen, CM nanometer repair factor and so on.

主要成分：微量生物素、深海鱼子精华、胶原蛋白、CM纳米修复因子等。

Energy transmission and charge transfer between rare earth ions of nanometer fluorides were discussed.

运用XRD确认了制各所得样品为立方晶系；研究了掺杂体系的光谱性质，并与高温固相法制备的产物进行了比较，讨论了掺杂体系中稀土离子间的能量传递及电荷转移过程。

The tribological properties of 500 SN oil containing nanometer copper borate were investigated with a four ball machine and a block on ring friction and wear tester.

结果表明：纳米硼酸铜使500SN基础油润滑下的摩擦系数略有增大，并使其抗磨及承载能力提高；其最佳添加量为0.70%～1.10%；纳米硼酸铜颗粒在摩擦表面发生了摩擦化学反应，生成了由B2O 3及FeB等组成的表面保护膜。

" I' d like to get some rough idea about music in the baroque ear, please."

请简要介绍一下巴罗克时期的音乐，好吗？

The results showed that the peak latency and pattern of SEPs elicited by electrical needling in LI-l1 and MP were similar. The amplitude of SEPs elicited by electrical needling in LI-l1 was higher than that of MP. There was no obvious SEPs generation when MM was electrical needling.

结果显示，电针刺激曲池穴和其邻近桡侧伸腕长肌运动点诱发性脑电波的波形和波峰时间是类似的，只是穴位的诱发性脑电波波幅较大，而电针刺激非穴位点并没有明显的诱发性脑电位。