你可以用蒸馏法从海水中提取淡水。
用常规水蒸气蒸馏法提取杜克蓝莓果实中的挥发油，并用气相色谱-质谱法分析了其化学成分。
The essential constituents from duke blueberry fruits were extracted by steam distillation method and the essential oil obtained was analyzed by gas chromatography-mass spectrometry.
采用水蒸气蒸馏法从巴旦木杏仁中提取挥性化学成分，用气相色谱-质谱法对化学成分进行鉴定。
The volatile chemical components extracted from the almond of Prunus amygdalus Stokes was abstracted by steam-stilling and analyzed by GC-MS method.
采用减压水蒸气蒸馏法提取出蒜苗挥发物，用GC - MS法分析鉴定其化学成分。
Garlic plant volatile was extracted by steam distillation under reduced pressure, and the chemical components were determined by GC-MS analysis.
采用水蒸气蒸馏法从杜梨花中提取挥发油，用气相色谱-质谱法对化学成分进行鉴定。
The essential oil from the flowers of Pyrus betulaefolia Bunge was abstracted by steam-stilling and analyzed by capillary GC-MS method.
研制了乳化沥青蒸馏器，用蒸馏法和蒸发法分别提取乳化沥青残留物，对残留物性能进行了试验比较。
An emulsified asphalt distiller had been worked out by authors of this paper. Performances of the residues obtained through both distilling and evaporating were compared.
方法：用水蒸气蒸馏法提取艳山姜挥发油，用气相质谱联用（ GC- MS）对挥发油成分进行分析。
METHODS The chemical constituents of volatile oil were extracted by distillation and analyzed by GC-MS.
人参根磨粉后，以蒸馏水为提取剂，用超声波法提取人参根中人参多糖，采用苯酚-硫酸比色法测定多糖含量。
Using distilled water as extraction agent, ginseng polysaccharides were extracted by method of ultrasonic wave from ginseng powder.
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.
采用水蒸气蒸馏法提取黑杨萎蔫叶片具诱虫活性的气味物质，用气相色谱质谱联用技术分离和鉴定活性物质的化学成分。
A report is made of the study of chemical components of the odor with luring activity from withered black poplar leaves.
方法：采用水蒸气蒸馏法提取白花前胡饮片的挥发油，用GC - MS法对其化学成分进行鉴定。
Methods: The volatile oils were extracted by using steam distillation. The components were identified and separated with GC-MS.
方法水蒸气蒸馏法提取挥发油后，采用气相色谱-质谱法分析，用峰面积归一法测定成分的相对含量。
MethodsEssential oils were extracted from samples by steam distillation, The chemical constituents were determined by GC-MS with area normalization method.
方法采用常规水蒸汽蒸馏法对甘肃天水产女贞子提取挥发油，用气相色谱质谱联机进行分离鉴定。
METHODS The volatile oil was extracted from Ligustrum lucidum Ait of Gansu by steam distillation, and its ingredients were isolated and identified by gas chromatography-mass spectrometer (GC-MS).
方法采用水蒸气蒸馏法分别提取八角茴香杀青晒干品及其硫熏干燥品的挥发油，用GC鄄MS 法鉴定挥发油成分。
Methods The essential oil was extracted by steam distillation from sunning-fixed sample and sulfur-smoke-dried sample, and their components were analyzed by GC-MS.
方法采用水蒸气蒸馏法分别提取八角茴香杀青晒干品及其硫熏干燥品的挥发油，用GC鄄MS 法鉴定挥发油成分。
Methods The essential oil was extracted by steam distillation from sunning-fixed sample and sulfur-smoke-dried sample, and their components were analyzed by GC-MS.
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