查询词典 phosphides

Both the GaSe structure and monoclinic structure with fourfold coordination group IV atoms and threefold coordination phosphorous atoms were found to show semiconducting characteristics for group IV phosphides with 1:1 stoichiometry, while other structures show metallic behaviors.

能带计算结果显示SiP单斜晶体结构和GaSe型结构是间接带隙分别为1.123 eV 和 0.123 eV的半导体，SiP其他结构则显示出金属特性。其他化学比为1：1的第四族元素磷化物具有相同的性质。

I also have synthesized nanocrystallinecobalt phosphides via metathesis reaction at 180℃. Different routes have been appliedto prepare nanocrystalline Ni〓P. The influences of the crystallization water of metalchloride were also discussed.A series sulfides of VIII metals have been fabricated.

1采用溶剂热技术通过置换反应在300-350℃合成了20nm的CrN纳米晶，与传统固相制备法相比，大大降低了反应和结晶温度；在180℃合成了磷化钴纳米粉，XRD显示两相共存(C0〓P、CoP)，TEM中也证实两种形貌的存在；该技术成功的解决了前驱物易水解的问题。

The aniline HDN was strongly stressed by the presence of quinoline and DHQ and the HDN of quinoline proceeds exclusively via a pathway which involves fully saturated intermediates on the MCM-41-supported nickel phosphides. The HDN activity of nickel phosphide catalyst was dramatically reduced by the presence of H2S and DBT, probably due to the strong adsorption of H_2S and DBT on active sites which inhibited the adsorption of quinoline.

喹啉和DHQ对苯胺的HDN反应有强烈的抑制作用，喹啉在磷化镍催化剂上几乎全部通过完全加氢饱和路径进行反应。H_2S和二苯并噻吩强烈地吸附在磷化镍催化剂活性中心上，阻碍了反应物分子的吸附，从而对喹啉的HDN反应有强烈的抑制作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。