分析了采用碱精制、加氢精制、中压加氢改质和溶剂精制等技术对催化裂化劣质柴油改质的利弊及其效果。
Pros and cons as well as the effect of upgrading inferior FCC gas oils by caustic treating, hydrotreating, middle pressure hydro-upgrading and solvent refining etc.
分析了采用碱精制、加氢精制、中压加氢改质和溶剂精制等技术对催化裂化劣质柴油改质的利弊及其效果。
Pros and cons as well as the effect of upgrading inferior FCC gas oils by caustic treating, hydrotreating, middle pressure hydro-upgrading and solvent refining etc. were analyzed.
目的考察微滤-大孔树脂法精制苦参中氧化苦参碱、苦参总黄酮的效果。
Objective To study the effect of microfiltration-macroporous resin method in purification of oxymatrine and general flavone in sophora flavescens.
本文介绍了利用未经精制的焦炉煤气生产中碱玻璃球的情况，并用实践证明了煤气蓄热室走空气的操作方法的可行性和益处。
This paper describes how to produce C-glass marbles using unrefined coke-oven gas and gives proofs of the feasibility and advantage of passing air through the to gas regenerator in practice.
分别考察了不同醇浓度、碱浓度和剂油比条件下的精制效果。
The refining results under conditions of different methanol concentration, caustic concentrations and catalyst to oil ratios were investigated respectively.
考察了精制溶剂组成、剂油比、精制温度、反应时间及静置时间对脱碱氮的影响。
The influences of different composition of refined solvent, ratio of reagent to oil, temperature and time of extraction, time of setting on removal of basic nitrogen compounds were studied.
文章研究了酸析法从带色碱减量废水中回收对苯二甲酸(TA)过程，并且通过废水预处理进行TA的简单精制。
Separation process of terephthalic acid (TA) from colored alkali reduction wastewater by acidation was studied and TA was simply refined through pretreatment.
鱼油精制的方法是在粗鱼油中加入约1．75%的碱液（浓度为5%的氢氧化钠）。
The method of refinement was 5% caustic sodium added in order to neutralize free fatty acids, the amount being 1.75% of viscera amount.
综述了天然生物碱的生物活性、提取、精制、鉴定的方法，旨在为天然生物碱的研究提供参考。
The bioactivity of natural product alkaloids and the methods of the extraction and purification are summarized, aiming to provide a reference for the studies in this field.
方法：用已精制过的苦参总碱（95％）经正交设计，筛选。
Methods: Through the orthogonal design and screening with the Total Alkaloids of Sophora Flavescens (95%) which have been refined.
在糠醛精制过程中添加脱氮组分，采用物理抽提与化学反应相结合的方法对模拟基础油进行脱碱氮研究。
The research of furfural refining adding denitrogenation agents by the method of combining physical extraction and chemical reaction has been done.
辣椒碱是用先进的萃取精制工艺，从红辣椒中提取出来的一种天然植物碱。
Capsicine is a kind of natural plant alkaloid extracted and refined from chilies with special crafts.
从盐水二次精制、离子膜电解技术方面概述了离子膜电解制碱技术。
The ion-exchange membrane caustic soda technology is summarized in the fields of secondary refining of brine and ion-exchange membrane electrolytic technology.
列举了溶剂萃取法、微波法和超临界CO2流体萃取等典型的提取精制方法，并简要介绍了辣椒碱的应用前景。
Some typical methods are enumerated such as solvent extraction, microwave and supercritical CO2 fluid extraction. furthermore, the perspective of its utilization is briefly introduced.
采用碱液抽提的方式，对来自不同炼油厂的催化裂化汽油轻馏分进行了脱硫醇精制试验。
Mercaptans in the light fractions of FCC naphtha from different refineries were removed by caustic extraction.
开发的固体碱技术不仅具有良好的硫化氢脱除性能，而且还具有硫醇和总硫降低功能。该技术在液化石油气脱硫精制装置上进行了工业应用。
The newly developed solid base technology has been applied on the desulfurization of LPG with good removal of hydrogen sulfide as well as the removal of thiols and the total sulfur.
采用正交试验法，以干浸膏得率和苦参碱、氧化苦参碱转移率为评价指标，优选水提取药材的提取工艺和精制工艺；
The dried extraction yield and transfer rate of matrine and oxymatrine were adopted as markers in the orthogonality test to optimize the water extraction and purification procedure of herbs;
吸收剂组合物包含添加剂和钠吸收剂，所述钠吸收剂例如机械精制的天然碱或碳酸氢钠。
The sorbent composition includes an additive and a sodium sorbent such as mechanically refined trona or sodium bicarbonate.
烧碱和纯碱是基本化工原料， 盐卤中硫酸根的存在严重影响这两种碱及精制盐的生产。
Soda ash and caustic soda are basic raw material in chemical industry. Existence of sulfate in brine has great impact on the production of soda and refined salt.
目的从山豆根中精制苦参碱和氧化苦参碱，并以此为化学对照品对山豆根药材进行薄层色谱鉴别。
OBJECTIVE to isolate and purify the two alkaloids matrine and oxymatrine and then to identify the commercial medicinal material of "Shandougen" by TLC.
目的从山豆根中精制苦参碱和氧化苦参碱，并以此为化学对照品对山豆根药材进行薄层色谱鉴别。
OBJECTIVE to isolate and purify the two alkaloids matrine and oxymatrine and then to identify the commercial medicinal material of "Shandougen" by TLC.
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