(1)立即打开R202底部排放阀HV20503/20507协助排料,同时密切注意环管压力变化,尽快修复LV20301。
(2)如果生产控制不了,按事故停车处理。
相关试题
【简答题】
R201有哪些阀门需要用来自P301泵出口的丙烯冲洗,冲洗的目的是什么
【简答题】
环管丙烯置换是用什么压力,置换几次,泄压至什么压力再充气,置换后在什么压力下保压,为什么
【简答题】
预聚的目的是什么,丙烯预聚合的工艺条件是什么,什么条件最重要
【简答题】
环管进液相丙烯时为什么要先充压至7barg
【简答题】
R200需倒空,而大循环要维持,如何操作
【简答题】
事故停车后,如何保证环管反应器CO浓度小于0.1ppm
【简答题】
在停车期间,发现主CAT管线压力高,应如何处理
【简答题】
若运转中,S203A堵,同时发现S211B也堵,则怎么办
【简答题】
装置停运一周后,如何启动汽蒸、干燥及PK801系统,才能防止水进入D802
【简答题】
根据什么条件确认2%、10%CO处于备用状态
【简答题】
设PP产品要求TEAL(kg/h)/PR(t/h)=0.2,进料PR流量范围为0~25t/h,TEAL流量范围是0~5kg/h,问TEAL流量的实际比率是多少
【简答题】
设丙烯进环管量为18.5t/h,回收量为7.02t/h,排放气为243kg/h。求聚合物产量
【简答题】
什么是高处作业?高处作业级别是如何划分的
【简答题】
加料斗为何通N2,若无N2,则有什么后果
【简答题】
挤压机轴封反吹的目的,如轴封N2量小,将有什么情况发生
【简答题】
怎样判断SR802堵?如不及时清理,将发生什么后果
【简答题】
M802有什么作用,若M802内物料过多将有什么后果,怎样处理
【简答题】
P107A/B泵送出去的液压油的用户有哪些
【简答题】
PP粉料中灰份主要来自哪几种原料?以什么形式存在
推荐试题
【填空题】
5.You can distinguish between frogs ands toads蟾蜍 in the following way: frogs have _________bodies, long limbs, and a smooth skin, and toads have stouter bodies, short limbs, and dry skin.
【填空题】
6.From the airplane window I could see a _________of city streets.
【填空题】
7.Aunt Pat smiled at her little niece and _________her to eat.
【填空题】
8.Dr. Rich Hamilton is planning his own World Wide Web _________on the Internet to provide assistance to anyone who asks for medical help.
【填空题】
9.It is difficult to estimate the number of people doing part-time jobs _________
【填空题】
10.The president _________his foreign minister, Mr. Burns, to act as representative to the international conference to be held in Tokyo next month.
【填空题】
11.Advances in telecommunications have meant that it is just as easy to work from a computer _________at home as it is from a town center office.
【填空题】
12.Until the new gym is built, you have no option but _________existing buildings which may or may not suit your immediate目前的requirements.
【填空题】
1.According to some scientists, global warming _________the survival of the whole human race.
【填空题】
2.The number of visitors from parts of Scotland not including the Edinburgh area was, in fact, relatively small19%, and exceeded the number of overseas visitors16%_________.
【填空题】
3.The early Spaniards established a chain of mission _________the local population along the San Antonio River.
【填空题】
4.It was common practice then that when the store owners wanted to go on vacation they simply _________
【填空题】
5.As they didn’t have relatives or friends there they often _________around nearby malls when they got bored.
【填空题】
6.To make a birthday card, you can simply cut out some funny or pretty pictures from magazines, _________them _________a piece of card and then write your message inside.
【填空题】
7.She picked up the receiver and, _________ asking the caller to hold on, went off to tell Jack that he was wanted on the phone.
【填空题】
8.To relax himself for a little while, he rose from the computer desk, walked across the room towards the window and stretched both arms upwards and _________.
【填空题】
9.The new product has a pair of small loudspeakers fitted inside, which you can easily _________ your computer’s sound card.
【填空题】
10.Music in fact is a _________language of a non-verbal nature which is rich in expression.
【填空题】
11.This _________is designed to show at a glance how many rooms have been rented out and how many are still available.
【填空题】
12._________ glorious sunshine, the boundless stretch of corn fields looked an impressive sight.
【填空题】
1.The cook put the meat on a plate, _________it with salt and pepper, wrapped up the plate in aluminum foil铝箔 and then placed it in the oven to roast.
【填空题】
2.Every waking moment we talk to ourselves about the things we experience. Our self-talk, the thought we communicate to ourselves, _________control the way we feel and act.
【填空题】
3.John made everyone laugh when he got the words _________and referred to himself as “my husband’s wife”.
【填空题】
4.You can’t live a perfect day without doing something for someone who will perhaps never be able to _________you.
【填空题】
5.Because the Earth is a sphere, sailors _________only can view other ships to a distance of about 13 miles before those ships seem to disappear into the horizon.
【填空题】
6.Johnson dismissed _________ideas lightly as no good on several occasions.
【填空题】
7.One tends to believe whatever one repeats to oneself sufficiently often, whether the _________be true or false.
【填空题】
8.Susan told me numerous times how her sister _________children.
【填空题】
9.I don’t know what my roommate is up to because he does everything _______________, either when I am away or when I am asleep.
【填空题】
10.For economic reasons, shipbuilders have designed vessels___ that can be loaded and _________in a minimum amount of time with minimum labor.
【填空题】
11.Laugh, and the world laughs with you; _________, and you weep alone.
【填空题】
12.A national debate is now _________about the manner in which we as a society should protect our natural resources.
【单选题】
___是湿润的纤维脱水后形成的薄片型材料。
A. 安全线
B. 安全纤维
C. 纸张
D. 水印
【单选题】
纸张最核心的材料是___,在它的基础上再通过添加其他配料使其具备不同的性质。
A. 纤维
B. 安全纤维
C. 纸浆
D. 水印
【单选题】
安全纸张以___为主要的纤维来源,占90%以上。
【单选题】
___是指在造纸生产过程中用改变纸浆纤维密度的方法制成的有明暗纹理的图形或文字。
A. 安全线
B. 安全纤维
C. 水印
D. 防伪彩点
【单选题】
水印只有在___的条件下才能被清楚地观察到。
【单选题】
___伪造水印图案,就是将纸张浸入水中使之软化,然后用表面伪造有凹凸纹路图案的模版,在纸张表面伪造出所需的水印图案。
A. 印刷法
B. 模压法
C. 显影法
D. 插入法
【单选题】
安全线中的缩微文字,只有在___条件下才可以清晰看到。
【单选题】
大部分安全纤维在___下观察可以看到明显的荧光反应。