The extraction and refining process includes distillating washing oil or anthracene oil to get fluorene distillate, then crystallizing the fluorene distillate to get fluorene using cooling or solvent.
芴的提取精制过程是先间歇蒸馏洗油馏份或蒽油馏份切取芴主馏份，再采用冷却结晶法或溶剂结晶法精制芴主馏份得到芴。
Objective: the best operation condition of extraction was found through analyzing the influences of both process of microwave pretreatment and hot wave washing.
目的：通过对微波预处理过程以及热水洗涤过程的影响因素分析，得到最佳提取工艺参数。
The optimum conditions of extraction, washing, stripping, further removal of magnesium and the deposition of lithium processes were achieved during the experiments.
通过实验确定了萃取、洗涤、反萃取、深度除镁及沉锂过程的最佳条件。
The double roll press is a washing equipment which assembles washing, dehydration, substitution and press with high pulp concentration and extraction yield.
双辊挤浆机是集洗涤、脱水、置换和压榨于一体的洗涤设备，具有较高的出浆浓度和提取率。
A newly developed novel efficient black liquor extraction equipment, gasbag press filter, used for wheat straw pulp washing is introduced in this paper.
介绍了气囊压滤机应用于碱法麦草化学浆黑液提取的运行结果。
The relationship between extraction efficiency and washing time as well as water quantity, and the pulp quality after washing are investigated.
探讨了黑液提取率与浆料洗涤时间、水量的关系及洗后浆所达到的洗净程度等。
The Times of organic solvent extraction and of acid washing and the duration of acidic hydrolysis needed are established.
实验确定了有机溶剂萃取和酸洗次数及酸水解时间等操作参数。
The sensitivity was improved more than 100-fold. The extraction procedure included conditioning, loading, washing, eluting and regenerating.
维甲酸异构体的微柱固相萃取过程包括柱老化、上样、洗涤、洗脱以及柱再生等步骤。
Solid phase extraction condition was optimized, and the optimal condition was washing with 100% methanol and eluting with 10% acetic acid methanol solution.
优化固相萃取条件，结果表明采用100%甲醇溶液淋洗和10%乙酸甲醇溶液洗脱效果最好。
The effects of radiation time, microwave power, volume of solvent for extraction and the volume of solvent for washing cake on extraction yield are discussed in orthogonal experiments.
考察了微波辐射时间、微波功率、溶剂用量、洗涤滤饼的溶剂量对提取率的影响。
PAM is the most widely used organic macromolecule, has been widely used in oil extraction, water treatment, refine sugar and coal washing, processing, paper and other industrial sectors.
PAM是目前应用最为广泛的水溶性有机高分子，已广泛应用于采油、水处理、制糖、洗煤、选矿、造纸等工业部门。
Gas oil fraction of shale oil is unstable. To address this problem, the authors of the article propose a new solvent extraction-alkali washing refining process.
针对页岩油粗柴油馏分不稳定问题，提出了一种溶剂萃取-碱洗精制工艺。
The company has introduced and adopted international advanced sesame production processes including washing, baking, pressing, extraction, and refining.
公司引进和采用国际先进水平的芝麻精选、水洗、烘焙、压榨、浸出、精炼等生产工艺。
The company has introduced and adopted international advanced sesame production processes including washing, baking, pressing, extraction, and refining.
公司引进和采用国际先进水平的芝麻精选、水洗、烘焙、压榨、浸出、精炼等生产工艺。
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