Coagulation and stretch are two crucial working procedures during precursor fabrication, which play important roles in precursor structure and performance.
凝固成形和拉伸是原丝生产过程中两个十分关键的工序，它们对聚丙烯腈原丝的结构和性能有着重要的影响。
The results agree with previous studies that have analyzed single photons whose precursor and main wave form have not been separated, which have reported an oscillatory structure.
结论与先前的研究相同，虽然先前的研究分析的是尚未将前驱和主波分离的光子，它们显示出了一个振荡结构。
The interference of the precursor and the slightly delayed main waveform can explain this structure.
前驱的干扰和主波形轻微的延迟可以解释这个结构。
This just show that we can get compounds which have anticipative structure through substitution reaction of precursor or by changing the reactive condition of the system.
这就说明，我们可以通过前驱体的取代反应和通过改变反应体系的条件来制备具有预期结构的化合物。
This paper introduces the function and structure of ADP digital earthquake precursor observation network system.
介绍了ADP数字地震前兆综合观测台网系统的功能与结构。
Studies on the pyrolysis carbon from different organic precursor indicate: the more compact structure and the smaller specific surface area of pyrolysis carbon, the more stable the composite.
对不同有机前驱物所得热解炭的研究表明：热解炭的比表面积越小、结构越紧密，其复合材料的循环稳定性越好。
The results indicate that different refractive indexes of germanium sulfide glass films prepared by different precursor are obtained due to the differences in glass structure.
结果表明：采用不同先驱体制备的溶胶凝胶硫化锗玻璃薄膜其玻璃结构具有差异，并导致薄膜折射率的不同；
A new database table structure which stores a string of sampling data as binary data into a record is presented to improve earthquake precursor data access speed.
为提高地震前兆数据库的存取效率，提出了一种把一串观测数据以二进制存储为一个记录的新的数据库表结构。
Being introduced to investigate seismic pattern, crustal buckling can explain many earthquake precursor phenomena according to the layered structure of crust.
研究地震活动图象而引入的地壳屈曲，从地壳为一层状结构物的基本事实出发，对很多地震前兆现象可做出自己的解释。
Its ligand is sialyl Louis oligosaccharides or similar molecular structure, and expresses in neutrophils, eosinophils and normal bone marrow precursor cells.
其配体是唾液酸化的路易斯寡糖或类似结构的分子，在中性粒细胞、嗜酸性粒细胞和正常骨髓前体细胞上大量表达。
The preparation technology of precursor for stainless steel foam with 3-d network open cells structure was investigated.
研究了具有三维通孔网状结构不锈钢泡沫的前驱体制备工艺。
Preparation of Cu-Zn-Al catalyst precursor for methanol and higher alcohol synthesis and the relationship between its structure and properties have been studied.
研究了低碳混合醇催化剂的制备、母体结构与催化性能的关系。
The XRD and FTIR analysis of the carbon materials show that the carbon material prepared by different carbon matrix precursor have different crystallite structure and functional groups.
XRD和FTIR分析表明不同碳前驱体制备的碳材料的微晶结构以及官能团结构不同，随着碳化终温的升高，碳材料结构石墨微晶逐渐增多。
System structure, principle and concrete process in construction of the Precursor Database System of Earthquake Administration of Shanxi Province as well as storage of data are introduced.
文中论述了山西省地震局前兆数据库系统的组成、数据库建立的原则和具体过程及数据的入库等。
The results of the comparison with three stretching modes showed that two-one-type precursor had more superior structure performances.
在三种拉伸方式的对比中结果均表明：两段合一式拉伸方式的原丝具有更加优越的结构性能。
TMOS and sodium silicate led to iron-containing silicas with ordered two-dimensional hexagonal mesoporous structure, and vesicle mesostructure was obtained using TEOS as silica precursor.
正硅酸甲酯和硅酸钠形成有序的二维六方相的介孔结构，而正硅酸乙酯形成了囊泡结构。
The single-row rear type transmission device of the precursor motor has scientific design, reasonable structure, high transmission efficiency and stable transmission;
本发明前驱电机单排后置式传动装置设计科学，结构合理，传动效率高，传动平稳；
The single-row rear type transmission device of the precursor motor has scientific design, reasonable structure, high transmission efficiency and stable transmission;
本发明前驱电机单排后置式传动装置设计科学，结构合理，传动效率高，传动平稳；
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