查询词典 samarium

The nature and source of the background absorption of samarium matrix and the method for elimination of the background were studied.

随着稀土元素应用领域的扩大，对高纯稀土化合物中的痕量杂质分析提出了更高的要求。

Samarium is an important fusion reactor containment envelope material.

钐是一种重要的聚变堆包层材料。

Ago a kind of misconception that the rare earth metals is very scarce in nature, in fact not the case, many of which elements such as lanthanum, cerium, praseodymium, neodymium and samarium in accordance with their distribution in nature is no less well-known people in some of the elements of industry, common There ore monazite, scandium yttrium stone, silicon and cerium stone, stone and brown curtains and other fluorocarbon calcium cerium ore.

以前有种错误概念，认为稀土金属在自然界很稀少，其实不然，其中很多元素如镧、铈、镨、钕和钐按其在自然界的分布不次于人们在工业上熟知的某些元素，常见的矿石有独居石、钪钇石、硅铈石、褐帘石和氟碳钙铈矿等。

Neodymium is far more powerful than conventional Samarium Cobalt or Aluminum magnets.

钕是更为强大的钐钴比常规或铝磁铁。

Reaction of NaOAr, SmCl_3 and aryloxo-functional N-heterocyclic carbene precursor [HO-4, 6-di-~tBu-C_6H_2-2-CH_2{CHMe}]Cl in 4:1:1 molar ratio in THF in one-pot hadnt afforded an anionic phenoxide complex of samarium (5) supported by a bridged bisphenoxo through the cleavage of aryloxo-functional N-heterocyclic carbenes.

4将NaOAr、SmCl_3和[HO-4，6-di-~tBu-C_6H_2-2-CH_2{CHMe}]Cl以4∶1∶1摩尔比，采用一锅煮的方法，希望得到芳氧基功能化的氮杂环卡宾稀土芳氧配合物没有取得成功，而是得到了断裂的产物O-4，6-di-~tBu-C_6H_2-2-[CH{NNMe}[(O-4，6-di-~tBu-C_6H_2)_2CH_2][O-2，4-di-~tBu-C_6H_3]Sm(5)。

Within 3 months, four groups in China had replaced the lanthanum with elements such as praseodymium and samarium and driven the temperature for resistance-free flow up to 55 kelvin.

3个月内，中国的4个研究组在用诸如镨和钐等元素取代了镧元素后将无电阻电流运送温度提高至55开。

Neodymium and samarium find use in alloys for magnets and lasers, europium in television screens, praseodymium in electric motors, and so on.

钕和钐可以用在磁或激光材料；铕可以用于电视屏幕；镨可以用于电动机，等等。

The light absorption in the near infra red region of praseodymium, samarium and ytterbium solutions.

唐高1，朱基千1，2，"掺镨(Pr3+)和铥(Tm3+)氟化镓铟玻璃标准的和改进后的贾德奥菲尔特理论研究"，光学学报 27，

Objective:To find out the influences of low dosages of samarium chloride (SmCl3) and praseodymium chloride (PrCl3) on structure and function of peritoneal macriphage in mice.

目的：探讨小剂量三氯化钐(SmCl3)，三氯化镨(PrCl3)对小鼠腹腔巨噬细胞形态结构及功能的影响。

The result: raw materials as little-known as terbium, samarium and ruthenium are starting to command a level of attention once reserved for energy and food security.

为此，一些少有人知的原材料，如铽、钐和钌，已开始引起高度关注。而以往，只有能源和粮食安全曾受到这种程度的关注。

TELSTAR functions as a crucial supporting system for telecom operation and maintenance sectors during management and production activities.

本项目是电信运行维护部门进行管理和组织生产活动的重要支撑系统。

He became incensed that it had been done without his prior knowledge or approval.

他为此事竟然没有经过他事先的知晓或批准而感到愤怒。