查询词典 precursors

In this paper fulgurite technique was firstly used to synthesize one-dimensional nanostructure such as nanorods, nanowires and nanobelts via the precursors. It is found that nanoparticles can grow by self-organization.

首次将熔盐技术应用于一维纳米材料的合成，以纳米颗粒前驱体为原料制备了一维纳米结构纳米棒、纳米线和纳米带；并发现了一维纳米结构生长的新现象，即纳米颗粒固相自生长。

TiOSO4 and Ti4 were used as precursors while glass fiber cloth and glass plates were used as substrates respectively.

本文还分别以TiOSO4和Ti4为前驱体制备了溶胶，并以玻璃纤维布和玻璃板为载体，制备了负载型TiO2薄膜用作光催化剂。

We here demonstrate that graft-deried thymidine analogs can become incorporated into host neural precursors and glia.

然而，我们已经证实，来源于移植的胸苷类似物能够整合进宿主的神经前体细胞和神经胶质。

It is indicated that the acetate anion and the weak organic alkali hexamethylenetetramine play the critical role in the formation of the layered precursors at the beginning of the process.

结果表明，在上述反应中醋酸根阴离子和弱有机碱六次甲基四胺对前驱体和ZnO纳米带的形成起了关键作用。

With oxalic acid and hexamethylenetetramine as the catalysts, and phenolic resin and tetraethoxysilane as the starting materials, a two-step sol-gel processing is developed for preparing Si〓N〓/SiC precursors with homogeneous microstructure composed of nanometer sized particles.

用草酸和六次甲基四胺为催化剂，酚醛树脂和正硅酸乙脂为原料，探索出了制备结构均匀而精细的Si〓N〓／SiC前驱体的溶胶—凝胶两步法。

To minimize the contamination of detrimental elements such as sulfurand chlorine, a two-step sol-gel process was successfully developed to synthesize SiC precursors with oxalic acid and hexamethylenetetramine HMTA as the catalysts, which are free of sulfur and chlorine. Tetraethoxysilane TEOS and phenolic resin were used as the silicon source and carbon source, respectively.

为了尽量减少硫、氯等有害元素的含量，本文用不含有害元素的草酸和六次甲基四胺HMTA为催化剂，正硅酸乙酯TEOS为硅源，酚醛树脂为碳源，成功探索出了制备SiC前驱体的两步法溶胶-凝胶工艺。

The carbon fiber precursors were prepared from liquefied wood in phenol by adding hexamethylenetetramine and soaking in the solution containing hydrochloric acid and formaldehyde as the main components.

以木材苯酚液化物为原料，加入六次甲基四胺熔融纺丝后，经甲醛和盐酸溶液固化处理、炭化后得到木材液化物碳纤维。

Using inorganic aluminous salts as precursors and hexamethylenetetramine as the catalyst, alumina nanonpowder was fabricated by sol-gel procedure and then incorporated in the preparation of body batch for thickly-glazed, thin-bodied celadon wares.

以无机铝盐为先驱体，六次甲基四胺为催化剂，采用溶胶－凝胶法制备了纳米氧化铝粉体，将纳米氧化铝粉体应用于薄胎厚釉青瓷瓷胎中，研究了粉体对青瓷瓷胎的增强作用。

Historically, the real estate trends of California have always been the precursors for the rest of the country.

历史上，房地产市场的趋势，加州一直是体其余的国家。

Precursors of the Reformation proper included the movements founded by John Wycliffe and John Huss during the 14th and 15th centuries.

前体的改革包括适当的运动创办的约翰威克里夫和约翰胡斯在第14和15世纪。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。