查询词典 precursor

Moreover, the size of nanorods changes with the concentration of the precursor SnCl4. We also fabricate dysprosium hydroxide by means of the similar method.

我们利用相同的路线制备出了Dy3纳米管，合成过程中，聚乙二醇充当了模板剂，反应在180°C水热条件下完成。

Precursor of the English horn.

一种次高音双簧管；英国管的先驱。

An alto oboe; precursor of the English horn.

一种次高音双簧管；英国管的先驱。

The inactive precursor of trypsin, produced by the pancreas and converted to trypsin in the small intestine by enterokinase.

胰蛋白酶原胰朊酶的惰性前体；由胰制造并由肠激酶在小肠内转化为胰朊酶

Pointed blade, developed in the 16th century and the precursor to the epee.

双刃长剑一一种剑柄精巧，剑刃细长，尖锐，[04：24.11]使用于16世纪，是重剑的前身。

At the end of 1940s, Wright's protégé, James Baldwin, an American black ephebe, advanced an unrelenting criticism of naturalism by Richard Wright, the precursor in African American literary circle.

鲍德温对他在文学创作上的引路人、当时美国黑人文学的代表人物赖特进行了猛烈攻击，这一举动符合布鲁姆所说的文学发展进程中的"弑父"行为。

From the transform infrared spectroscopy and X-ray photoelectron spectroscopy spectra, the hydroxyl and ethoxyl groups of the silica sol drawn from partially hydrolysis and polycondensation between TEOS and MTES can react with PA6 precursor.

红外图谱和X射线光电子能谱分析结果显示，硅溶胶的羟基和未完全水解的烷氧基能够与PA6的前驱体发生杂化反应。X射线衍射结果显示，采用本实验方法制备出的PA6和疏水型PA6/SiO2有机无机杂化材均为α晶型，而DSC结果表明，PA6/SiO2有机无机杂化材料的熔点略高于PA6。

It is the catalyst for converting ethylene to ethylene oxide, the precursor of many organic chemicals.

在将乙烯转化成氧化乙烯的过程中要以银作催化剂。

Using oxalate as precursor, Al〓O〓-doped Co powder may contain only face centered cubic Co, i.

掺杂质点进入钴粉的晶格中，使之点阵常数发生了变化。

Based on the brand life cycle theory and the complexity of the market,this article proposes that a medicine brand life cycle consists of five phases,i.e.,the precursor,appearance,cognizance,famousness and decline.It also analyses the feature of each phase and the relevant marketing strategy f...

文章从品牌生命周期理论出发，结合药品市场的复杂性，提出了药品品牌生命周期，将其分为前导期、产生期、知晓期、知名期、衰退期五个阶段，分析了各个阶段特点，并针对每个阶段提出了相应的药品营销策略。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我