1) pyrolysis gas chromatography-mass spectrum(Py-GC/MS)
热裂解-气相色谱/质谱联用技术
1.
The online pyrolysis gas chromatography-mass spectrum(Py-GC/MS) was used to analyze its pyrolysis products at 300,450,600,750,900 ℃.
采用热裂解-气相色谱/质谱联用技术(Py-GC/MS),在300,450,600,750,900℃下分析其热裂解产物,陈皮浸膏在600℃以下裂解产物主要是醛类、酮类、酯类和呋喃类物质;在600℃以上,检测到对人体有害物质,如对二甲苯。
2) pyrolysis-gas chromatography-mass spectrometry
裂解气相色谱-质谱联用
1.
The pyrolysis behavior of monomenthyl succinate was investigated by on-line pyrolysis-gas chromatography-mass spectrometry (PyGC-MS) in the presence of helium.
采用在线裂解气相色谱-质谱联用技术对单琥珀酸薄荷酯的裂解行为进行了研究。
3) PyGC-MS
裂解气相色谱质谱联用
4) GC/MS
气相色谱/质谱联用技术
1.
The volatile and semi-volatile aroma constituents of tobacco were analyzed by simultaneous distillation and GC/MS in order to compare the components changes in different conditions of the casing process.
采用同时蒸馏萃取和气相色谱/质谱联用技术分析了卷烟制丝加料工序中的挥发性、半挥发性香味成分,观察对比了不同条件下香味组分含量的变化,发现:随着回风温度的提高,烟草酸性香味组分含量降低,中性香味组分升高,碱性组分先降低后增加;随着润叶加料滚筒转速的增大,酸性、中性和碱性组分均有不同程度的升高;随着热风风量增大,烟草酸性香味组分降低,中性香味组分先降低后升高,碱性组分先增加后降低。
5) GC-MS
气相色谱-质谱联用技术
1.
Fatty Acids in Roots of Three Kinds of Polystichum by GC-MS
气相色谱-质谱联用技术分析3种耳蕨根脂溶性成分
2.
As shown by GC-MS,22 kinds of fatty acids were separated and identified.
以氯仿:甲醇(2:1)超声提取乌骨鸡中脂肪油,皂化后,用三氟化硼-甲醇法甲酯化,应用气相色谱-质谱联用技术对乌骨鸡脂肪酸组成进行了分析,分离和鉴定了22种脂肪酸,并以面积归一法,计算各脂肪酸的相对百分含量。
3.
It is an advanced production and research method to prepare FAME by waste oil and fat then separation and analysis by GC-MS.
脂肪酸甲酯是一种重要的化工原料,由废油脂制备脂肪酸甲酯并利用气相色谱-质谱联用技术对其进行分析、分离更是一种先进的生产研究工艺。
6) gas chromatography-mass spectrometry
气相色谱-质谱联用技术
1.
Supercritical fluid extraction and gas chromatography-mass spectrometry were employed to assay the lipsoluble chemical components in Semen Firmianae and NIST spectral database were used to analyze and identify these components.
采用超临界流体萃取法(SFE)和气相色谱-质谱联用技术(GC/M S)对梧桐子中脂溶性化学成分进行分析,并用N IST质谱数据库对其进行分析和鉴定。
补充资料：热裂
hotcracking：合金在凝固温度区间及其以下的高温区间内发生的开裂。
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