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Sulfur corrodible sites and their characteristics were introduced of the prefractionation system, air preheaters of heating furnace and product air coolers etc,and chlorine corrodible sites and their characteristics were also presented of the thermocouple casing tubes, product air coolers and fire arrestors of heating furnace etc in the catalytic reforming and diesel hydrogenated unit s.

介绍了中国石油哈尔滨石化公司催化重整及柴油加氢装置在预分馏系统、加热炉空气预热器、加氢装置反应产物空冷器等处易发生硫腐蚀和在预加氢热偶套管、加氢反应产物空冷器、加热炉阻火器等处易发生氯腐蚀的部位及其表现特征,指出装置在低温(不高于120℃)、含水、容易被堵塞的部位易形成HCl-H2S-H2O腐蚀体系,分析了腐蚀原因和介质来源,总结和提出了开好原油的电脱盐、采用脱氯技术、加强对加热炉的排烟温度控制和腐蚀介质的精制与净化、加大空冷器的注水量等针对性防腐经验和措施。

The operation outline of the water supply and purification station in the Pulp Plant of 200T/d in Myanmar: water from river is pumped to the two clarifiers of φ25 in the purification station via intake pump house, and flows through the filtering pond and the clear-water reservoir where it is fed to all workshops through the clear water pump house.

缅甸200T/d浆厂给水净化站生产概况:河水经取水泵站将原水抽送到净化站的两座φ25圆形澄清器,经滤池、清水池,最后由清水泵房将水送至各车间斜板沉淀池设计,同时缅方工艺中增加一条生产水经加氯消毒处理后的生活用水管线,缅方的整个水处理工艺依然是采用化学、物理的方法来达到除去水中杂质的目的。

This paper studied four pretreatment methods by adding three different retention time organochlorine pesticides(α-BHC、Dieldrin、pp′-DDT) to fish sample and making different concentration(0.01、0.1、1),then using GC-ECD determinate its recoveries.

研究了用气相色谱——电子捕俘器法测定鱼肉中有机氯农药的四种不同前处理方法。通过向鱼样中加入三种不同保留时间的有机氯农药(α—六氯苯、狄氏剂、滴滴涕),并测定三种不同浓度(0.01、0.1、1)时加标回收率。

2 BJP direct toxicity on TEC NRK52E cell were subcultured on a 24-well plate (3×10〓/ml/well) and exposed to BJP κ or BJP λ in concentration 1, 5, 10, 20mg/ml for up to 24h, then the media was changed, and 〓H-thymidine was added for incubation for 18h at 37℃, the corporation was terminated, Acid-insoluble DNA was precipitated by adding 5% trichloroacetic acid radioactivity in the extracts was determined in scintillation counter.

细胞增殖的影响:将TEC株NRK52E以3×10〓/ml/孔分别加入24孔培养板,分别加入BJPκ与BJPλ(浓度1、5、10、20mg/ml)共同培养,均设3个复孔,24小时后加入〓H-TdR(1μCi/孔)在5%CO〓37℃孵育18小时,终止反应,加胰酶脱壁半小时后移到普通干燥试管,多头细胞收集器抽滤,用5%三氯醋酸,无水乙醇分别冲洗,烤干,冷却后加入闪烁液,放入液体闪烁计数仪测定放射性。

推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。