GC分析结果表明：采用减压蒸馏及乙酸乙酯重结晶并用的方法精制的TMP纯度接近于试剂级TMP。
It is reveal by GC analysis that the purity of the TMP, treated by reduced pressure distillation and recrystallization in acetic ester, approximates to that of the reagent grade TMP.
前言：分析草甘膦生产中甲醇回收的间歇蒸馏设计，实地运用、指导甲醇工序的操作。
This essay mainly analyzes the design and application of the intermittent distillation for methanol - recovery in Glyphosate manufacturing process.
从理论上分析了利用真空蒸馏的方法除磷提纯冶金级硅的可行性，并进行了真空条件下脱磷的实验研究。
In this paper, a theoretical analysis about the feasibility of phosphorus removal in metallurgical grade silicon with vacuum distillation, then an experiment was conducted.
本文研究了影响益母草真空膜蒸馏过程的基本影响因素，并分析了浓差极化和温差极化问题。
The vacuum membrane distillation for motherwort extract is tested and the temperature polarization and concentration polarization are analyzed.
反应结束后反应液经过真空蒸馏后得到产物，并通过GC - MS进行定性和定量分析。
The products were gained by vacuum distillation from reaction liquid, meanwhile their qualitative and quantitative analysis were carried out by GC-MS.
用水蒸气蒸馏法提取了赤桉叶和本泌桉叶精油，通过气相色谱-质谱（GC-MS）联用法分析鉴定了二者的化学成分及质量分数。
The essential oils of leaves from Eucalyptus camaldulensis and Eucalyptus benthami were extracted by steam distillation and their chemical constituents were determined by GC-MS method.
方法通过水蒸气蒸馏，利用GC-MS进行分析，采用相对保留指数对化合物进行定性，用峰面积归一化法进行定量。
MethodsBy steam distillation and GC-MS analysis methods, chemical compounds were analyzed qualitatively using relative reservation index, and analyzed quantitatively by area normalization.
分析了焦油蒸馏塔防腐设备材质的选用情况及在生产过程中的腐蚀情况。
The selection of corrosion-resistant materials for the tar distillation column and the corrosion related to the production operation were introduced.
将你的蒸馏结果(温度范围)和气相色层分析结果比较一下。
Comparison of your distillation results (temperature ranges) you're your chromatographic results.
用微型蒸馏头替代常量分水器来制备正丁醚，既能满足分析要求，又能节省实验经费。
It reports that n-butyl ether can be prepared in microscale experiment with a microscale distillation head.
在了解了工艺流程、工艺机理和原油蒸馏的原理的基础之上，分析了影响粘度和闪点的各种因素。
On the basis of comprehension of process flow, process mechanism and principle of crude oil distillation, we analyze various factors which affect viscosity and flash point.
利用造纸厂纸浆废液中分离出的蒸馏妥尔油，合成了改性酚醛树脂，并对反应机理和树脂结构进行了分析。
The modified phenolic resin was synthesized by using distilled tall oil from paper industrial wastes, the reaction mechanism and the structure of resin was analyzed.
利用非平衡热力学原理，对吸附蒸馏过程中各个热力学传输流之间的耦合进行了理论分析。
The coupling between the mass transfer flux and adsorption rates of all components in an adsorptive distillation process was analyzed according to non equilibrium thermodynamics.
介绍煤焦油中萘含量测定的两种方法：蒸馏结晶法和气相色谱法，对两种方法的优缺点及分析结果进行了对比。
Two methods of distillation crystallization method and gas chromatography to determine the naphthalene content in coal tar oil were introduced.
在对刮膜式蒸馏器蒸发表面流体流动和传质传热进行分析的基础上，研究了分子蒸馏过程，并建立了数学模型。
A new mathematic model based on analysis of liquid flow, mass transfer and heat transfer is proposed to describe wiped film molecular distillation.
分析加工高酸值原油常减压蒸馏装置管道腐蚀的特点，探讨其主要管道的选材原则。
Analyze features of corrosion of pipeline for high acidic crude oil of atmospheric and vacuum distillation unit, probe major principle for selection of piping material.
同时分析了将姑废水简单蒸馏后馏出液及釜液中盐酸和阻燃剂的含量。
The components of the hydrochloric and the fire_retardant in the distillate and distillation residue were analysed after the waste water was distilled .
从理论上分析了采用真空蒸馏的方法将粗硒提纯除杂的可行性和规律性。
A new technique has been researched on the feasibility and regularity for removing impurities from rude selenium by vacuum distillation in theory analysis.
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.
采用同时蒸馏萃取法提取白鲜皮中的挥发油，通过GC-MS对其化学成分进行分析。
The volatile oil from Dictamnus dasycarpus Turcz was extracted by simultaneous distillation and extraction(SED), then separated and analyzed by GC-MS.
根据故障树分析理论，用演绎法建立了常减压蒸馏装置常压塔的失效故障树。
The failure tree for atmospheric tower is established with deductive method based on the theory of failure tree analysis.
针对精苯装置预备蒸馏系自投料生产以来存在的喷苯现象，从操作和设计等方面进行原因分析并采取相应的改进措施。
As for the existing benzene-spurting for the stand-by distillating pump since test running, we analyse it from the aspects of operation and design and raise the corresponding innovative approach.
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.
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.
过程蒸馏分析仪可按以下标题分类。
Process distillation analysers may be classified under the following headings.
利用气隙式膜蒸馏实验对料液温度、流率及气隙宽度等操作条件对膜渗透性能的影响进行了测试和分析。
The effects of operation conditions , such as the temperature and flow rate of solution and the width of air-gap on membrane permeability were studied by air-gap membrane distillation.
将水蒸气蒸馏法所得的薄荷叶挥发油进行微波辐射并分析其结果。
The essential oil which extracted by Hydro-distillation was heating by microwave and then analysis the oils.
这些曲线及数据不仅对石油醚和液体石蜡的组成和使用性能有参考价值，而且这种分析方法为煤液化油的实沸点蒸馏奠定了基础。
These curves and datas are of great use to compositions and function of petroleum ether and liquid paraffin, this analytical method is based on TBP distillation of coal liquefied oil.
方法：用水蒸汽蒸馏法提取紫色姜挥发油，并通过气相-质谱联用仪分析研究。
Methods: A distillation method was used to extract the volatile oil and a gas-mass spectrometer was used to analyze the chemical composition.
方法：用水蒸汽蒸馏法提取紫色姜挥发油，并通过气相-质谱联用仪分析研究。
Methods: A distillation method was used to extract the volatile oil and a gas-mass spectrometer was used to analyze the chemical composition.
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