Methods of the removal of naphthenic acid are chemical extraction, solvent extraction absorption, and so on.
脱除环烷酸的方法一般可有化学萃取、溶剂萃取、吸收等。
Three-dimensional fluorescence spectrum and ultraviolet absorption spectrum of Bletilla striata extraction drawn by boiling water were reported.
报道了白芨沸水浸取液的三维荧光光谱和紫外吸收光谱。
Mass transfer processes, including gas absorption, distillation, extraction, adsorption, drying.
传质过程，包括气体吸收，蒸馏，萃取，吸附，干燥。
A sequential extraction technique and atomic absorption spectrometry were used in the study to extract and determine the cadmium forms in 35 farmland soil samples in the suburb of Chengdu.
本研究采用连续提取法和原子吸收法对成都市某郊区基本农田的35份土壤样品中各形态镉进行了提取和测定。
Absorption studies were conducted on the residue after each extraction.
吸附研究是在每一个提取后的残渣上进行的。
Weight loss method, extraction and absorption photometry were adopted, the measurement results of these means were compared.
采用减量法、萃取法以及吸收光度法进行了组分测定，对比各方法的测定结果。
A new method was established for the determination of germanium in Chinese herbs, plants and sediment samples by extraction graphite furnace atomic absorption spectrometry (GFAAS).
建立了萃取-石墨炉原子吸收法测定中草药、植物样品及水系沉积物中微量锗的方法。
The method for the determination of trace mercury in water samples by hydride generation atomic absorption spectrophotometry after cloud point extraction was proposed.
提出了浊点萃取预富集氢化物发生-原子吸收光谱法测定痕量汞的新方法。
Trace lead in baked food is determined by air-acetylene flame atomic absorption spectrometry (FAAS) with APDC-DDTC-MIBK as the extraction and preconcentration system after cineration process.
烘焙食品试样经灰化处理后，用APDC DDTC MIBK体系萃取富集试液中的铅，利用空气乙炔火焰原子吸收法测定烘焙食品样品中铅的含量。
The method of determination of copper in light oil by air-acetylene flame atomic absorption was discussed in this paper, and the extraction and enrichment of copper in light oil was reviewed.
探讨了用原子吸收空气-乙炔火焰连续测定轻质油中痕量铜的方法，并考察了轻质油中铜的萃取富集方法。
An on line extraction flow injection method was developed for the determination of trace lead in nickel sulfate electrolyte using flame atomic absorption spectrometer as the detector.
本文采用流动注射在线萃取火焰原子吸收光谱法测定硫酸镍电解液中微量铅。
The extraction nozzle can be placed closely to objects for maximum fume absorption.
提取嘴可尽可能近的置于对象上方为最高油烟吸收。
Objective To study how to avoid excessive absorption alveolar bone in order to keep the height of alveolar ridge after tooth extraction.
目的对拔牙术后抑制牙槽骨过度吸收，保持牙槽嵴高度进行研究。
After samples were pre-digested, trace cadmium was concentrated by non-ionic surfactant cloud point extraction and determined by the graphite furnace atomic absorption spectrometry.
样品先经消解，再以非离子表面活性剂浊点萃取富集消解液中的镉，石墨炉原子吸收光谱法测定镉含量。
The optimal extraction conditions and HPLC chromatographic conditions were confirmed by investigating the extracting solvent, mobile phase type and maximum absorption wavelength.
对提取试剂、流动相条件、最大吸收波长进行了研究，确定了最佳提取方法及色谱条件。
A flow injection on line extraction chromatographic separation and preconcentration system is proposed for the determination of trace palladium by flame atomic absorption spectrometry (FAAS).
以三异辛胺萃淋树脂为微型柱固定相，采用流动注射在线预浓集与火焰原子吸收法联用技术，对微量钯的测定进行了研究。
Supercritical hydro-extraction technology, enhanced absorption, fully moistening your skin from inside out.
超临界流体萃取技术，增强吸收效果，肌肤从内到外充分润泽。
The absorption of gold with CL-N235 extraction resin was studied in hydrochloric acid solution by atomic absorption spectrometry.
用原子吸收法研究了在盐酸介质中N235萃淋树脂吸附金的过程。
The different type absorption resins were applied to separation and extraction of several nature toxin and fine results have been obtained.
吸附树脂应用于几种天然毒素的分离，均取得了比较理想的结果。
Compared with other hydrogen extraction processes the double ammonia synthesis process for purge gas treated with liquid ammonia absorption is a simpler process with low operation energy consumption.
液氨吸收法弛放气二次氨合成工艺流程较之其他提氢流程，工艺简单，操作能耗低。
The distribution and transfer character of iron in Liaohe vacuum residue were studied by absorption-separation, acidic solution extraction and mild chemical oxidative degradation of asphaltene.
考察了辽河减压渣油在吸附分离、酸性溶液萃取和沥青质轻度降解过程中金属铁的分布和转移情况。
The content of trace elements in tea and its extraction liquid was determined by atomic-absorption spectrometry.
采用原子吸收分光光度法测定了茶叶及其浸泡液中微量元素的含量。
The content of trace elements in tea and its extraction liquid was determined by atomic-absorption spectrometry.
采用原子吸收分光光度法测定了茶叶及其浸泡液中微量元素的含量。
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