碲

There are many kind of platinoid minerals in the Cu-Ni-Pt deposit of basite and ultrabasite rock in the area of Danba, Sichuan, such as:(1) telluride, tellurbismuth and tellurantimony,(2) antimonide,(3) arsenide,(4) native element.

四川丹巴地区基性、超基性岩型Cu-Ni-Pt族元素矿床中，含有多种Pt族元素矿物，主要有：(1)碲化物及碲铋化物、碲锑化物类，(2)锑化物类，(3)砷化物类，(4)自然元素类。

The contents of gold in hessite and petzite vary largely from trace to 26.1wt%, which is believedto occur as an isomorphic formof Ag in hessite.

金在金-银碲化物中的含量随温度降低而升高，相关矿物的形成顺序为碲银矿-碲金银矿-。

Three types of dyes derived from crown ether benzotellurazole (including telluracarbocyanine, polymethine styryl dye and merocyanine dye) are formed by the methods analogous to non-crown ether dyes.

本文系统研究了冠醚苯并碲唑的各种合成方法，探讨了杂环的季铵化反应，并进一步制备了对称冠醚碲碳菁及冠醚苯并碲唑衍生的多甲川苯乙烯菁、部花青染料。

By varying the kind and relative amount of the reacting agent, Se submicrotubes, Se nanorods, Se shuttles, urchin-like assembly of Se nanorods, Te nanowires, Te nanobelts, Te nanotubes, thornlike 1D assembly of Te nanothreads can be fabricated on a large scale. Both light and thermal effects play significant roles in this visible-light-assisted technique.

通过调节反应物的种类和配比，可以大规模地合成诸如硒亚微米管、硒纳米棒、硒梭标、(来源：ABd5C论文网www.abclunwen.com)硒纳米棒形成的海胆状结构、碲纳米线、碲纳米带、碲纳米管和棘状Te纳米丝等一维纳米组装结构。

The intensity ratio of TO and LO inMCT was observed to be different. Such difference was explained in terms of the different Ramangeometry arrangement.〓. The laser-induced micro-photoluminescence in the range of 1000～5000〓(1.34eV～1.83eV) was found for the first time in LPE MCT epilayer. The center of photoluminescence wasat 2750〓 or 1.62eV and the FWHM of luminescence was 2000〓 or 0.25eV. We assume thatthe photoluminescence is due to recombination of electron from an anion vacancy resonance levelto the top of valance. In addition, new Raman shift was observed at 750〓 in LPE MCTepitaxial film.〓. The laser-induced micro-photoluminescence with quasi-periodic structure was observed forthe first time at room temperature in one of MOVPE MCT epitaxial film samples. The range offluorescence was from 1.46eV to 2.21eV, i.e., 1.73eV above the conduction band edge.

2首次在LPE生长的碲镉汞外延薄膜的显微Raman谱中，在1000～5000〓范围发现了激光激发显微荧光，该荧光的发光范围换算为电子伏特标度为1.34eV～1.83eV，荧光的发光中心大约位于2750〓，即1.62eV，发光的半峰高宽约为2000〓或0.25eV；指出该显微荧光来源于碲镉汞薄膜中的阴性离子空位共振能级的激光激发发光；观察到了碲镉汞外延薄膜中一个新的Raman散射峰，位于750〓位置； 3首次在一块用MOVPE方法生长的〓Te外延薄膜的显微Raman谱中，发现了1.46eV至2.21eV范围并伴随有周期结构的显微荧光峰，该发光峰对应的能带中心位于〓Te材料导带底上方1.73eV，通过研究得出样品在1.46eV至2.21eV范围的显微荧光峰是由于改进 MOCVD 生长工艺，提高了碲镉汞外延薄膜的结构质量所致；通过分析指出该显微荧光来源于外延层中的阴性离子空位的共振能级发光。

However, tellurium contents are extrmely high in Co-rich crusts, marine polymetallic nodules,deep-sea sediments and aerolites.

中文摘要：碲在地球上是一种稀有分散元素，碲在地壳中的丰度很低，仅为1.0ng/g；但碲在富钴结壳、海底多金属结核、党海沉积物和陨石中的丰度异常高。

Thin film of tellurium was prepared by chemical vapour deposition on the polyethylene foils using room-temperature decomposition of electrochemically generated hydrogen telluride.

用化学气相沉积法制备碲薄膜，其步骤为：通过电化学方法制得碲化氢，碲化氢在室温下分解后在聚乙烯塑料箔上沉积得到碲薄膜。

Thin film of tellurium was prepared by chemical vapour deposition on the polyethylene foils using room-temperature decomposition of electrochemically generated hydrogen telluride.

摘 要：用化学气相沉积法制备碲薄膜，其步骤为：通过电化学方法制得碲化氢，碲化氢在室温下分解后在聚乙烯塑料箔上沉积得到碲薄膜。

The reaction conditions of synthesis of benzotellurazole ammonium iodides and derived symmetric telluracarbocyanine dyes are discussed. We provide the general procedure to synthesize dyes of this type and nine substituted symmetric telluracarbocyanines are resulted.

探讨了苯并碲唑季铵碘盐中间体及对称碲碳菁染料合成反应的条件，合成了一系列共9个含取代基对称碲碳菁并提供了合成上通用的方法。

In gold ores, Te presents as tellurides of Au, Ag, Pb inassociation with native gold, occurring in surfaces or/and fissures of galena, pyriteand quartz minerals. Therefore, Te and the "refractory gold" are worth being extractedfrom these abundant tellurides.

碲在矿石内主要以AU、Ag、Pb 碲化物与含Ag自然金共生，它们在局部的矿物量相近，并分布于方铅矿、黄铁矿、石英表面和裂隙，其中的&难溶金&与碲本身都具有回收价值。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。