三晶的

It has 12 rhomb-shaped faces, each of which intersects two of the crystallographic axes and is parallel to the third.

它拥有12个菱型脸，分别由两个相交的轴线，并平行于晶三。

The molecular sieve is prepared in the steps: at the room temperature, hexadecyl trimethyl ammonium bromide is mixed and dissolved with the sodium hydroxide, and is added with TEOS in dropping way, and simultaneously added with Me metal salt water solution and lanthanum nitrate solution in dropping way; the pH value of the mixed solution is adjusted by acetic acid to be 10 to 11, and is mixed for 1 to 2 hours after being stabilized; the sol is moved into a polyfluortetraethylene bottle to be heated and crystallized for 2 days in the oven at the temperature of 100 DEG C; after filtering, washing and drying for nights, and being calcined in a muffle at the temperature of 550 DEG C for 3 to 7 hours, the dual-metal-atom improved MCM-41 mesoporous molecular sieve is obtained.

该分子筛的制备为室温下，将十六烷基三甲基溴化铵和氢氧化钠混合溶解，搅拌并滴加入TEOS，同时滴加入Me金属盐水溶液和硝酸镧溶液并搅拌，用乙酸调节pH值至10～11，稳定后搅拌1～2小时，溶胶转入聚四氟乙烯瓶中在100℃下烘箱水热晶化2天，经过滤、洗涤、干燥过夜，马弗炉550℃焙烧3-7h，得双金属原子改性MCM-41介孔分子筛产品。

By IBAD method, the amorphization ranges obtained in Ni-Nb, Ni-Mo and Co-Mo systems were 20-80 at.

研究结果表明，对于Ni-Nb、Ni-Mo和Co-Mo三个系统，IBAD方法获得的非晶合金形成范围分别为20-80at。

A functionalized superparamagnetic iron oxide nanoparticles were synthesized by reduction-precipitation method, and were modified by silicane coupling agent. The nanoparticles were evaluated by diffraction, scanning electron microscope and X-ray energy spectrometer.

用部分还原－共沉淀法制备了四氧化三铁Fe3O4纳米材料，用硅烷偶联剂进行了表面修饰，用扫描电镜，X-射线粉晶衍射，磁强计，X射线能谱仪等分析仪器对材料的相关性能进行了测定。

According to Avrami equation, the values of exponent n for the two copolyesters are more than 3, which probably corresponds to a 3-dimensional spherulitic growth.

根据 Avrami方程计算发现：PBST共聚酯的Avrami指数n基本上均大于3，表明结晶时聚合物趋向于以球晶形式三维生长。

Annual output of ceramic fiber 1050 series, 1260 series ceramic fiber products, ceramic fiber products 1400, more than 1600 grain products 8000 tons annual production capacity, with cotton, blankets, carpets, rope, board, paper, cloth, modules, castable , refractory bricks, such as fiber products of different forms more than thirty.

年产1050陶纤系列产品、1260陶纤系列产品、1400陶纤系列产品、1600多晶系列产品年生产能力8000吨，具有棉、毯、毡、绳、板、纸、布、模块、浇注料、耐火纤维砖等不同形态的产品三十余种。

Thirdly, flower-shaped BaCrO_4 crystals have been synthesized via a facile polymer-mediated crystallization process at ambient temperature.

第三，通过聚合物调制与室温晶化工艺制备了花状铬酸钡晶体，并提出了一个可能的形成机理。

The development and utilization of the "three stone" of raw materials, that is, andalusite, sillimanite, kyanite raw materials, to improve the Al-Si refractory microstructure and properties of thermodynamics.

开发利用&三石&原料，即红柱石、硅线石、蓝晶石原料，可以改善铝硅系耐火材料的显微结构和热力学性能。

Position of the eutectic liquidus valley curve in these three basic systems was determined simultaneously.

本文同时对上述三个基本体系中共晶液相面谷底线的位置作了标定。

A JS3000 series controller is made up of three channels, each comprising a pair of thyristors

JS3000系列控制器由三个通道组成，每一个通道包括一对反并联的晶闸管。

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。