1) X-tree
X树
1.
Then it encodes the hierarchical information in the ontology with dimensional hierarchical coding,and moreover it organizes and retrieves multidimensional data using X-tree.
基于本体论描述不同地理信息元数据之间的语义关联特性;在此基础上,通过维层次编码量化在本体中所描述的层次结构;通过X树组织和检索处理后的多维数据,最后给出应用实例,说明理论的可用性。
2) X*tree
X*树
1.
Firstly,this paper researches the X*X*tree index structure which supports knn searching.
在这种情况下,本文对国内外关于数据流离群点研究现状进行了综合分析比较,主要在以下几个方面研究了基于X*树的反k近邻流数据离群点挖掘算法。
3) X-5 resin
X-5树脂
1.
The results showed that X-5 resin was suitable for adsorbing and purifying the total flavonoids in Oenothera littaralis.
结果表明:X-5树脂对海边月见草叶总黄酮有良好的吸附纯化性能,当原液质量浓度为1。
4) X resin
X树脂
1.
Influential factors leading to losing efficacy of the three way valve are analyzed, and some remaking measures are employed, including ball valve shim made from X resin ,fluorubber O shaped seal circle in the slit between the valve body and the valve cover.
分析了在役三通阀密封失效的原因 ,采用 X树脂材料制作球阀垫片、在阀体与阀盖间车制梯形沟槽并放置氟橡胶“O”形密封圈等措施对其进行改造。
5) X tree coding
X树编码
6) adsorption resin of X-5
X-5吸附树脂
1.
The results show that the adsorption resin of X-5 is appropriate to purify hawthorn flavonoids.
结果表明,X-5吸附树脂的纯化效果最好。
补充资料：(S)-10-羟基喜树碱
分子式：C20H16N2O5
分子量：364.35
CAS号：19685-09-7
性质：密度1.60。熔点265-270°C。
分子量：364.35
CAS号：19685-09-7
性质：密度1.60。熔点265-270°C。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条