steam extraction
英 [stiːm ɪkˈstrækʃn]
美 [stiːm ɪkˈstrækʃn]
网络 抽汽
双语例句
- In this work, propolis essential oil was obtained by steam distillation extraction and supercritical CO2 extraction, respectively.
采用水蒸气蒸馏法和超临界二氧化碳萃取法获得了蜂胶挥发油。 - Three main extracting methods are steam distillation, solvent extraction and super critical CO2 extraction.
其提取方法主要有3种：水蒸气蒸馏法、机溶剂浸提法和超临界CO2萃取法。 - The consumption characteristics for heating generating units is based on the economic dispatching, but the characteristic curve of the steam consumption of an extraction is complicated and its application is weaker.
供热发电机组的耗量特性是经济调度的基础，但供热汽轮机的工况图比较复杂，其实用性较差。 - Numerical Study on Effect of Regenerative Steam Extraction on Total Aerodynamic Performance of Steam Turbine Blade Stages
回热抽汽对前后级总体气动性能影响的数值研究 - Application of Equivalent Enthalpy Drop Theory for the Analysis Economical Efficiency of Steam Extraction and Heat Supply for a Large-sized Power Plant
等效焓降法在大型机组抽汽供热的热经济性分析中的应用 - The device thoughts and modification progress that modified one cylinder with high pressure, condensing steam turbine to a extraction and supplying heater ones are introduced.
介绍将高压单缸凝汽式汽轮机改造为抽汽供热式机组的设计思路及施工改造过程。 - Study on the Antioxidative Activity of Lavender Oil Extracted by Steam Distillation and Supercritical Extraction
水蒸气蒸馏和超临界萃取薰衣草精油抗氧化作用研究 - The calculation and analysis on influence of steam extraction pressure lose on thermo-economy of coal-fired units
抽汽压损影响火电机组热经济性的计算分析 - A Study of the Coupling Steam-water Flow Distribution Calculation for Cogeneration Steam Turbine Extraction Heating Cycle
供热汽轮机抽汽供热循环耦合汽水流量分配计算的研究 - Combined with the general model on hand for calculating the effect of a heater's outlet water enthalpy on thermal efficiency, a general model for calculating the influence of steam extraction pressure loss on a units 'thermal efficiency is derived.
结合已建立的加热器出口水焓对热经济性影响的通用计算模型，推导了抽汽压损对机组热经济性影响的通用计算模型。 - The essential oil and extractum are extracted from its stem, leaf and flower by steam distillation and solvent extraction. According to the analysis, it contains 0.1003% essential oil and 0.74% extraction in average.
采其当年生茎、叶、花分别用水蒸馏法和萃取两种方法提取精油和浸膏，平均得率精油为0.1003%，浸膏为0.74%。 - The reduction of steam extraction pressure and steam heating temperature is favorable to lowering the water-making energy cost. However, the lower limit of steam extraction pressure and steam heating temperature should respectively meet the requirements of ejection factor of steam injector and compression ratio.
降低抽汽压力和加热蒸汽温度有利于降低制水能量成本，但抽汽压力和加热蒸汽温度的下限应分别满足蒸汽喷射器的引射系数和压缩比的要求； - By employing the above matrix models it is possible to conveniently, rapidly and accurately calculate water-making power consumption rate and the variation of water-making fuel cost caused by a change in steam extraction pressure and steam heating temperature.
利用该矩阵模型可以方便、快捷、准确计算制水耗电率（ELWP）和制水燃料成本随抽汽压力和加热蒸汽温度的变化。 - Using n-hexane and acetone as solvents, lavender oil was extracted by steam distillation and solvent extraction separately, and the compositions of the extracts were determined by GC/ MS.
以正己烷、丙酮为溶剂，分别采用溶剂萃取法和水蒸气蒸馏提取薰衣草油，通过GC/MS定性分析提取物组成。 - Thus the optimization plan is made by diverting primary leakage to steam extraction of the fourth section instead of the fifth section.
经分析，选择了将轴封一次漏汽导入五段抽汽改为导入四段抽汽的优化方案，并利用大修进行了实施。 - Mechanism of steam flooding The Oil Extraction Technology Using Polymer Flooding
蒸汽驱油机理聚合物驱采油技术 - Comparison of aroma components from apricot fruit obtained by steam distillation-extraction and solvent extraction
蒸馏-萃取法与溶剂萃取法提取杏果实香气成分的比较 - The article compared supercritical CO2 extraction with common extraction ( steam distillation extraction), putting emphasis on extraction efficiency, extraction time, extract composition and its colour.
从萃取率、萃取时间、萃取油成分及外观颜色等方面比较了超临界CO2萃取方法和常规方法&水蒸汽蒸馏萃取法。 - Furthermore, a detailed account is given of the flow field structure in various sections from the flow passage to the steam extraction pipe.
详细描述了从通流部分到抽汽管的各段内流场的结构。 - Features and application study of medium size steam extraction cogeneration turbine unit
中型抽汽供热机组特点和应用条件研究 - According to requirements, the steam extraction pressure of a C6-3.43 type steam turbines had to be raised.
根据需要必须提高C6-3.43型汽轮机的抽汽压力。 - Influence of Steam Extraction Slot Width on the Flow Fields of Neighboring Steam Turbine Stages
汽轮机抽汽缝宽度对邻近透平级流场的影响 - The methods of extracting allicin can be classified into three groups: steam distillation, solvent extraction, supercritical(?) fluid extraction, but the content of allicin extracted by steam distillation is very low, so the activity of extraction is very low.
大蒜素的提取方法可以分为三类：水蒸气蒸馏、溶剂提取及超临界流体萃取，但是采用水蒸气蒸馏得到的提取物中大蒜素含量很低，导致提取物的活性很低。 - Linear and nonlinear dynamic mathematical models for steam turbines with double extraction are derived.
本文推导了双抽汽式汽轮机的线性和非线性动态数学模型。 - By strict mathematical deduction, it is being proven that the influence of steam extraction pressure loss on a unit's thermal efficiency is equivalent to the linear superposed effects on efficiency, caused by relevant heaters 'out flowing feed and drain water enthalpy variation.
经过严格的数学推导，证明了抽汽压损对热经济性的影响等同于抽汽压损引起的加热器出口水焓和疏水焓变化对热经济性影响的线性叠加。 - Aiming at the trait of the thrust variation after condensing steam turbine reconstruct extraction steam turbine, the reasons are analyzed, the regularity is get out and the adjustment measures are given, which will have instruction meaning for the extraction steam reconstructive turbine units.
针对凝汽式汽轮机抽汽式改造后推力变化的特点，分析原因，找出规律，提出了调整措施，对凝汽式汽轮机抽汽式改造有一定的指导意义。 - One steam distillation extraction of aroma components mainly esters, solvent extraction of aroma components are mainly ketones.
其中水蒸气蒸馏萃取法提取的香气成分主要为酯类物质，溶剂萃取法提取的香气成分主要是酮类物质。 - Compared different collection methods, the volatile compounds collected by steam distillation and solvent extraction could not really reflect the maize volatile compounds constituents under the natural state, but steam distillation and solvent extraction are suitable for extracted aromatic compounds and terpenoid compounds among maize volatile compounds.
比较不同的收集方法发现，溶剂萃取法和水蒸气蒸馏法所获得的挥发性物质不能真实反映自然条件下玉米叶片挥发物的组分，但是适宜于提取玉米叶片中的芳香族化合物和萜类化合物。 - Traditional extraction methods for clove oil are steam distillation and solvent extraction. Supercritical carbon dioxide extraction ( SFE) is considered as a new and green process for the essential oil extraction.
丁香油的传统提取方法为水蒸气蒸馏和有机溶剂提取等，近年来新兴的超临界CO2萃取技术被认为是提取天然植物挥发油的高效洁净工艺。 - Effect of ultrasound enhanced subcritical water, supercritical CO2, traditional solvent and steam distillation extraction methods on extract was studied.
同时将超声强化亚临界水技术与超临界CO2、溶剂萃取、水蒸汽蒸馏等传统方法作比较，考察不同萃取过程对萃取物的影响。