The causes of corrosion of vacuum tower processing high-sulfur and high-acid-value Gudao crude and protection were discussed.
文章叙述了炼制商硫、高酸值孤岛原油减压塔的腐蚀原因及防护措施。
The south crude distillation unit in Liaohe Petrochemical Company mainly processes high-acid-value, corrosive and low-freezing-point naphthenic crude oils after revamping.
辽河分公司南蒸馏装置改造之后，主要加工高酸值、强腐蚀性的低凝环烷基原油。
The objective is to find out the application value of D-3 hydroxybutyric acid.
目的是了解 D-3 羟丁酸的应用价值。
It is a hot topic of producing biodiesel with high acid value oil nowadays.
利用高酸值油脂生产生物柴油是现今研究的热点。
Effects of microwave radiation intensity and irradiating time on the acid value in vegetable oils were investigated.
研究了微波辐射强度和辐射时间对植物油脂酸值的变化情况。
The product was confirmed as trimesic by using acid value titration, IR spectrum and liquid chromatogram.
利用酸值滴定、红外光谱和液相色谱等表征方法，确定产物为均苯三甲酸。
Green solvent for determining the acid value of rosin glyceride by means of titration was studied.
采用中和法测定松香甘油酯的酸值，对溶解松香酯的溶剂进行了绿色化研究。
Because of plenty of fatty acids, high acid value oil must be esterified primarily.
以高酸值油脂为原料，采用四氯化锡作为催化剂进行酯化反应。
Greeniz solvent for determining the acid value of rosin glyceride by means of titration was studied.
采用中和法测定松香甘油酯的酸值，对溶解松香酯的溶剂进行了绿色化研究。
Low acid value resins were synthesized by E10 with low temperature ring opening.
采用E10低温开环酯化合成低酸值树脂。
The corrosion prevention techniques during the refining of crude oil with high acid value are also introduced.
还介绍了加工高酸值原油中的防腐蚀技术。
The yellowing effect of E10 synthetic low acid value resin to paint film of nitrocellulose lacquer and to the original lacquer was studied.
研究了E10合成低酸值树脂对硝基漆漆膜及原漆黄变的影响。
It was pointed out that controlling the trace water and acid value in the polyester polyols was the key procedure to prepare the polyurethane materials suitable for making cast mould.
指出控制聚酯多元醇的含水量和酸值是制备聚氨酯铸模材料的关键。
The optimum synthesizing conditions were defined, and chemical structures were confirmed by IR. The properties of flame retardant such as acid value, solid content and phosphorus content were tested.
研究了该阻燃剂的合成条件，用红外分析确认了其结构，测试了阻燃剂的酸值、含固量和磷含量等性能指标。
The airdry ability of unsaturated polyester may be improved by using glycidyl allyl ether. The optimum amount of airdry monomer to be used, the stability and acid value of the resin are determined.
论述了以烯丙基(缩水)甘油醚改善不饱和聚酯树脂的气干性，确定了气干性单体的最佳用量及树脂的稳定性酸值。
A light colour 422 resin with high softening point and reasonable acid value was synthesized directly from pine oleoresin.
以松脂为原料直接合成一种色泽浅、软化点高、酸值合格的4 2 2树脂。
The treated cylinder oil made of distillated oil from the 4th side line of vacuum tower has features of low acid value, light colour and good stability.
由减四线馏分油生产的精制型汽缸油料，具有酸值低、颜色浅及安定性好的特点。
The linear correlativity of the determination of the acid value between two methods was very well, the relative deviation of blind samples experiment's data were less than 10%.
模型预测值与国标法测定的酸值高度线性相关，盲样验证相对误差均小于10%。
Demulsification and separation should be done to analyze its content, its saponification and acid value were analyzed after separation, then the ester content can be obtained.
酯类油性剂不溶于水，必须用乳化剂将其乳化，分析其含量必须先破乳、分离，分离后分析其皂化值及酸值，即可得到酯含量。
The crude rice bran oil with high acid value should be refined with physical refining, including degumming, bleaching, de-acidification, dewaxing, defatting.
米糠浸出所得到的毛糠油为一种高酸值毛油，采用物理精炼工艺在提高油脂精炼率和经济效益方面具有明显的优势。
High boiling solvents (HBS) lignin modified rosin was successfully synthesized by rosin and HBS lignin. These resins were characterized by acid value, soft point, DSC-TGA, and compared with rosin.
合成高沸醇木质素改性松香树脂，测定改性树脂的软化点、酸值和DSC - TGA曲线，并与原料松香进行比较。
For waste oils and fats with high acid value, the suitable environmentally friendly catalysts are solid acid and ionic liquid.
对于酸值高的废油脂，宜采用固体酸和离子液体等环境友好催化剂。
After the esterification, the acid value of the oil is lower evidently, so the next technique can be catalyzed either by acid or by alkali, and can not be confined by productive technique.
预酯化后油脂的酸值较低，后续工艺既可用酸催化也可用碱催化，完全不受生产工艺的限制。
Results the acid value and the saponification value in Cera Chinensis could be determined successfully.
结果可顺利测得虫白蜡酸值、皂化值。
Oils used in the saponification value, acid value, iodine value and cold spots.
油脂测定常用皂化值、酸值、碘值和冻点。
Objective: Establish the limit of Walnut kernel, s carbonyl value, acid value and peroxide value in order to control the degree of rancidity.
目的：制定核桃仁羰基值、酸值和过氧化值的限度，以控制其酸败程度。
Acid value increased and peroxide value increased rapidly with storage period.
随饲料储藏时间的延长，饲料酸值增加，饲料过氧化值增长较快。
Styrene-acrylic resin, a typical one among all alkali-soluble resins, has the criteria of low molecular weight, narrow molecular weight distribution, high acid value and low Tg.
在碱溶性树脂中，以低分子量、窄分子量分布、高酸值、较低玻璃化温度的苯乙烯—丙烯酸共聚树脂（简称苯丙树脂）最具代表性。
The equipment corrosion and corrosion resistance in processing crude oil with high acid value are reviewed.
高酸值原油加工过程中设备的腐蚀问题和防腐蚀新技术受到相关部门的高度重视。
The equipment corrosion and corrosion resistance in processing crude oil with high acid value are reviewed.
高酸值原油加工过程中设备的腐蚀问题和防腐蚀新技术受到相关部门的高度重视。
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