前驱体是获得目标产物前的一种存在形式，大多是以有机-无机配合物或混合物固体存在，也有部分是以溶胶形式存在。前驱体这一说法多见于溶胶凝胶法、共沉淀法等材料制备方法中，但不是一个确切的科学术语，没有特定的概念。也有人把它定义为目标产物的雏形样品，即在经过某些步骤就可实现目标产物的前级产物。
网络释义专业释义
研究了制备条件对前驱体结构和形貌的影响,并研究了前驱体(AACH)的相变过程：我们加入醋酸对制备的AACH的形貌进行改进,制备出了尺寸小、分散性较理想的HOAl(C2H3O2)2(碱式乙酸铝),优化了碱式乙酸...
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... scenario tests 情景测试 precursor reagents 前驱体 material selection method 选料途径 ...
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precursor - 引用次数：160
Then the preparation condition is established. The optimized synthesis condition is that the precursor which using citric acid and EDTA as chelator.
建立并优化了以柠檬酸，EDTA为螯合剂的复合络合法制备前驱体，微波与固相烧结结合的新方法。
参考来源 - Li -
precursor - 引用次数：150
Effects of annealing temperature,applied potential,annealing duration,different zinc salt precursor on thin films were systematically conducted.4.
系统地考查了热氧化温度、沉积电位、热处理时间、不同锌盐前驱体对所得薄膜的影响。
参考来源 - 氢氧化镁、氧化锌微/纳米结构的软化学合成与表征
·2,447,543篇论文数据，部分数据来源于NoteExpress
双语例句原声例句
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介绍了几种炭 /炭复合材料的基体前驱体的性质及制备方法。
Several preparation methods of carbon/carbon composite matrix precursors and their characteristics are introduced.
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介绍了作为碳纤维前驱体的聚酰亚胺（PI）纤维的组成、分子结构和特性；
The composition, the molecular and the characteristics of polyimide (PI) fiber as a precursor of carbon fibers were introduced.
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本文采用凝胶前驱体纤维热分解还原法制备了镍、镍-钴、铁、镍-铁四种磁性金属纤维。
In this paper, the Ni, Ni-Co, Fe and Ni-Fe magnetic fibers were prepared by thermal decomposition reducing method of gel precursor fibers.
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And actually, what we usually eat are what are called sweet almonds, and there aren't actual cyanide in the sweet almonds we eat, there's precursors to cyanide, which might not make you more comfortable.
实际上，我们经常吃的,被叫做甜杏仁，我们吃的甜杏仁其实不含氰化物，它里面含有的是氰化物的前驱体，这可能并不会让你感到更舒服一点。
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There's a way to actually grind down and prepare the flour, so that you promote the enzymes within the plant to breakdown the cyanide precursors.
有一种方法是将它们磨碎，做成粉，这样就可以促进它们本身带有,酶将氰化物的前驱体分解掉。
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And so, you make not only water vapor, NOX but you make some nitrous oxides, NOX, or nox as it is known, and this is the precursor to smog.
这样不仅仅得到的水蒸气，但是你会得到一些氮氧化物，或者如大家所知到的nox，这是烟雾的前驱体。
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