【简答题】
C701底出口丙烯中CO含量高原因
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
1、塔底再沸器E702故障。 2、塔顶冷凝器E701故障
解析
暂无解析
相关试题
【简答题】
为什么FV20001、FV20002氢气控制阀分别有三个?如何选择
【简答题】
一旦PA301事故,通过何处排放较好?为什么
【简答题】
FIC10101、FIC10201到聚合的量是如何控制的
【简答题】
D109中油有何作用
【简答题】
引起催化剂中毒的杂质主要有什么
【简答题】
油、脂为什么要在D105A/B中用氮气鼓泡?鼓泡时间为多长
【简答题】
D106中分散均匀的催化剂为什么要通夹套冷冻水将D106冷却到10℃
【简答题】
D105的液位一般控制在多少?低于多少液位时要重新加脂
【简答题】
生产均聚物时为什么用稀释过的DONOR
【简答题】
DONOR是怎样从桶里送别D110A/B/C中?其浓度是多少
【简答题】
生产的PP催化剂系统有那些组分
【简答题】
催化剂配制的目标浓度?油脂比值?配制温度?冷却后的温度?并在使用中为什么要保持该温度
【简答题】
丙烯在70℃的饱和蒸汽压是多少
【简答题】
D201的作用
【简答题】
经过预聚合后每克催化剂所生成的聚丙烯量为多少
【简答题】
正常生产时,R201的料是如何送到R202的
【简答题】
一般情况在R201所生成的聚合物占总产量的百分几
【简答题】
每一套CO系统的CO含量为多少?钢瓶的体积多大?压力多少
【简答题】
C502上部呼吸阀大量喷N2的原因是什么
【简答题】
怎样控制反应器浆液密度
【简答题】
轴流泵冲洗丙烯流量为多少
【简答题】
R201,R202的密度怎样控制
【简答题】
K501出料气体温度高的原因
【简答题】
P200、P201、P202有哪些工艺控制参数?哪些是串级
【简答题】
R200的压力偏高是什么原因造成的,应如何处理
【简答题】
D202顶部出来的气相丙烯有何作用
【简答题】
D202的液位一般控制在多少,过高或过低会造成什么影响
【简答题】
R202系统压力超高是什么原因造成的,应如何处理
【简答题】
P201、P202冲洗丙烯的压力要比环管压力高出多少
【简答题】
怎样证明S200、S201、S202系统充满油
【简答题】
若LV20301阀故障,如何处理
【简答题】
D203的作用
【简答题】
为什么开轴流泵之前,环管系统要排气
【简答题】
环管进液相丙烯时为什么要先充压至7barg
【简答题】
R201、R202密度高如何处理
【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】
在投料时,三种催化剂和H2投料顺序
【简答题】
H2在聚合的作用
推荐试题
【判断题】
用银行存款购买两个月内到期的国债,不会使现金流量表中现金净流量发生增减变动
A. 对
B. 错
【判断题】
现金流量表的分析填列法是直接根据资产负债表、利润表和有关会计科目明细账的记录分析计算出现金流量表各个项目的金额,据此编制现金流量表的方法
A. 对
B. 错
【判断题】
为了清晰反映构成所有者权益各组成部分当期的增减变动情况,所有者权益变动表采用矩阵形式列示
A. 对
B. 错
【判断题】
“本年金额”栏所列的金额填列
A. 对
B. 错
【判断题】
销售净利率是20%,资产周转率是1次,权益乘数是2,则净资产收益率是40%
A. 对
B. 错
【判断题】
一般认为,资本保值率越高,表明企业的资本保全状况越好,所有者权益增长越快,债权人的债务越有保障
A. 对
B. 错
【判断题】
13
A. 对
B. 错
【判断题】
如果企业的负债资金的利息率低于其资产报酬率,则提高资产负债率可以增加所有者权益报酬率
A. 对
B. 错
【判断题】
资产净利率=销售净利率×资产周转率
A. 对
B. 错
【判断题】
杜邦分析体系是利用各主要财务比率之间的内在联系,综合分析企业财务状况的方法。建立财务分析指标体系
A. 对
B. 错
【判断题】
沃尔比重评分法是将选定的财务比率用线性关系联系起来,并分别给定各自的分数比重,然后通过与标准比重进行比较,确定各项指标的得分及总体指标的累积分数,从而对企业的信用水平做出评价的方法
A. 对
B. 错
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 1 In our class,most discussions and activities take place in assigned small groups,These groups provide a supportive and safe environment that () learning
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 9 As the finance ministry rejected the defor its "lack of clarity",it[ ]complaint with the Europear Commission that this deal was against the law
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 5 State governments and the colleges themselves have [ ] financial help to students with special abilities and those with financial needs
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 10 Dogs cannot distinguish the color of trafficlights, so the master must make the decision of when it is safe to [ ] across the road
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 6 The committee agreed that his papers [ ] a wider circulation because of their essential and fundamental interest to a larger audience.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 1 Because women often restrict their diet In an effort to control weight,they may Not consume enough iron-rich food and ( ) experience an iron Deficiency.
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 8 Americans defend the right to obtain a gun and they have[ ] been willing to turn a blind eye to the harm that people owning guns have caused
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 7 The anger and frustration [ ] by the local people who do not understand what is happening to them will be a terrible and dangerous force
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 2 Some reform advocates ignore the impact of Class size on student achievement,and they are ( ) what they call as a Priority:teacher effectiveness.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 3 Because of easy access to the Internet,the New breakthrough tq create something Truly creative ( ) happen anytime now.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 4 Indeed,if teachers want to( ) how far students might get in life, a better measurement than grades might be how hard the students try.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 5 Nature has( ) these animals ( ) a capacity for not showing Fear.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 6 During the weeks of discussion,delegations from groups who are interested in the Resolution may call on representatives to ( ) their point of view.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 7 Plato was a superb writer,and his works are Part of the world’s great literature.Most of His existing work is ( )Dialogs and letters.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 8 Young people should enter into a broad Flexible training program,through which They can learn a lot and be ( ) their future careers.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 9 The young man is very happy and proud to be ( ) the old professor because he always feeIs great when talking With him.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 10 One day they passed more than 20 villages ( ),and some of these are Said to have stretched for six miles or more.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 7 Being asingle parent,there is no way for her to ( ) the time and energy she has devoted to her children for the past 10 years.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 8 It is essential that you start by listening because one of the main ( ) teenagers and their parents face in forming positive relationships is that neither listens to the other.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 9 We all know the dangers of an earthquake: the ( ) to buildings,the troubles can be caused by falling trees,and the terror occurs when the earth actually opens uip.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 10 Not until recently have we realized that the increasing world population may lead to a potential gloomy ( ) for humanity starvation.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 2 It is the development strategy/of the company to ( ) its overseas expansion in order to take a slice of the world market
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 3 Nearly six million people go to see the Mona Lisa every year,attracted by the ( )of her smile.When you're not lodking at her, she seems to be smiling;when you look at her,she stops.
【填空题】
Boost prospect calculate accelerate promote mystery destruction analysis insight barrier 4 To live with a family whose native language is English is the ideal way to further improve one's English and to gain ( )into its culture.
【填空题】
Boost prospect calculate accelerate promote mystery destruction analysis insight barrier 5 There is a real need to ( ) academic achievement in schools and help with the development of a student's overall character.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 6 Einstein said his scientific discoveries grew from his imagination rather than from( ), reason and language.
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 1 When the police caught up with him, Mr.Foster had to [ ] that he'd broken the speed limit.
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 2 Whenever my boss makes a decision that I don't agree with, I tell him what I really think, though it's [ ] to make him happy by telling him his ideas are always right
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 3 As can be probably perceived, a manned tip to Mars may soon[ ] since scientists have achieved the manned moon mlssion