间歇式蒸馏时，原料的成分、所蒸馏的化合物的蒸汽及蒸馏物在蒸馏过程中是变化的。
In batch distillation, the composition of the source material, the vapors of the distilling compounds and the distillate change during the distillation.
此挥发油的化学成分与用水蒸汽蒸馏所得的玫瑰精油显著不同。
Its chemical composition is significantly different from rose essential oils obtained by steam distillation.
我们没药油蒸汽蒸馏- 蒸汽用于蒸发的油和活性成分，因此它们可以被提取和浓缩。
Our Myrrh Oil is steam distilled – steam is used to vaporize the oils and active ingredients, so they can be extracted and condensed.
我们的治疗公式是丰富的维生素，皮肤软化成分和芳香蒸汽，以帮助你感觉更好。
Our therapeutic formula is enriched with vitamins, skin softening ingredients and aromatherapy vapors to help you feel better.
对样品化学成分的影响较小，其优越性高于流通蒸汽灭菌法和干热灭菌法。
Ozone sterilization method had no obvious influence on the chemical components of raw powders. Ozone had some advantages over dry-heating and circulating steam method in the sterilization efficiency.
我们的玫瑰油蒸汽蒸馏-蒸汽用于蒸发的油和活性成分，因此它们可以被提取和浓缩。
Our Rose oil is steam distilled - steam is used to vaporize the oils and active ingredients, so they can be extracted and condensed.
我们的黑胡椒油蒸汽蒸馏-蒸汽用于蒸发的油和活性成分，因此它们可以被提取和浓缩。
Our Black Pepper oil is steam distilled - steam is used to vaporize the oils and active ingredients, so they can be extracted and condensed.
煤气发生炉气化层温度是反应目标参数蒸汽分解率、产气量和有效成分的重要参数，但直接测量温度难度较大。
It is extremely difficult directly to measure the temperature of gasification layer, which is an important variable of reaction objective parameters in a gas gonerator.
蒸汽仿真子系统可以与其它仿真子系统以数据服务器为中心、以星型网络结构构成分布式仿真系统，对轮机人员进行综合的训练；
On the one hand, the steam simulation system can make up a DIS with other sub systems to simulate the actual engine room performance and give trainees comprehensive training.
科学家用各种方法将蒸汽收集别瓶子里，以便研究它的成分。
Scientists have devised methods to trap vapor in bottles so they can study its makeup.
方法以水蒸汽蒸馏法提取挥发油，分别得到不同样品的挥发油，以气相色谱质谱联用（GC MS）联用技术对其化学成分进行分离和鉴定。
METHODS The volatile oils were extracted with steam distillation. The components were separated and identified by GC MS and elucidated on the standard mass spectral data.
采用水蒸汽蒸馏法从大戟科木奶果中提取挥发油，用气相色谱-质谱对挥发油的化学成分进行了分析。
The essential oils extracted from Baccaurea ramiflora Lour and its chemical constituents were analyzed by GC-MS.
本实验采用水蒸汽蒸馏法提取鲜姜和干姜中的精油，并利用GC-MS分析精油的成分。
The volatile oils of walnut diaphragm were obtained by hydrodistilation and analysed by GC and GC/MS.
本实验采用水蒸汽蒸馏法提取鲜姜和干姜中的精油，并利用GC-MS分析精油的成分。
The volatile oils of walnut diaphragm were obtained by hydrodistilation and analysed by GC and GC/MS.
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