This testified that the main composition of TN is organic n.
证明全氮的主要成分是有机氮。
In their elementary composition, the enzymes show the usual proportion of c, h, n, and s found in proteins.
从元素组成来看，酶显示出与通常蛋白质一样的碳，氢，氮及硫的元素比例。
The result of XPS experiment has proofed that the performance changed of the Fe-O, Fe-N-O films is because the composition and structure of film has changed after heat treatment.
XPS实验结果证明薄膜性能改变的原因是热处理后薄膜的成分与结构发生了明显的变化。
Methods:Various analytical techniques including gene sequencing, amino acid composition, analysis of N terminal amino acid analysis, peptide mapping, IEF, molecular weight and UV scanning were used.
方法：用基因测序、氨基酸组成分析、N末端氨基酸测序、胰肽图谱、IEF、分子量、紫外扫描等各种实验手段对重组L 天冬酰胺酶及其天然品进行了全面比较。
The groups divided as above coincided with groups classified according to molecular weight, amino acid composition and amino acid sequence of N-terminal of EFE components.
这种按免疫学性质分组与根据分子量大小、氨基酸组成和N端氨基酸序列分组基本吻合。
Ha has functional groups such as hydroxyl, carboxyl and N-acetyl, therefore, it can be modified by cross-linking, esterification, graft, molecule modification and composition.
HA具有羟基、羧基和乙酰胺基等官能团，可通过交联、酯化、接枝、分子修饰和复合等方法进行改性。
For a given n-bit positive integer a and positive integer k, to design an algorithm to identify the composition of the remaining number of the smallest number of new programs to delete a few.
对于给定的n位正整数a和正整数k，设计一个算法找出剩下数字组成的新数最小的删数方案。
For a given n-bit positive integer a and positive integer k, to design an algorithm to identify the composition of the remaining number of the smallest number of new programs to delete a few.
对于给定的n位正整数a和正整数k，设计一个算法找出剩下数字组成的新数最小的删数方案。
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