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两段流程
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  two stage process
     (3)the unit with capacity less than 1000000 tpy should adopt the single stage process,to that more than 1000000 tpy,two stage process is suitable;
     ③能力在 1.0Mt/a以下的装置宜采用单段流程 ,1.0Mt/a以上的装置宜采用两段流程 ;
短句来源
     There exists no problem to bleach oxygen delignified kraft hardwood pulp into bleached pulp with the DQ and PO two stage process but there exists the problem of serious reversion color in practical production.
     实验室中以(DQ)(PO)两段流程将氧脱木素后硬木硫酸盐浆漂成全漂浆已没有问题,但实际生产中存在返黄超标问题。
短句来源
  “两段流程”译为未确定词的双语例句
     Using bauxite, basic aluminum chlorides in which content of Al_2O_3 is 10% or more than 10% may bc producted in two stage reaction process.
     利用含铝矿物,采用两段流程,在较低酸耗条件下可制取Al_2O_3含量>10%碱式氯化铝.
短句来源
     The Study for Producting Basic Aluminum Chlorides Using Bauxite in Two Stage Reaction Process
     含铝矿物两段流程制碱式氯化铝研究
短句来源
  相似匹配句对
     The Study for Producting Basic Aluminum Chlorides Using Bauxite in Two Stage Reaction Process
     含铝矿物流程制碱式氯化铝研究
短句来源
     The latest advance in pulp bleaching — two stage short bleaching
     纸浆漂白的最新进展——流程漂白
短句来源
     AN APPROACH TO TRANSFORMATION OF GRINDING FLOWSHEET WITH TWO STAGE CLACIFICATION TECHNOLOGY
     用分级技术改造磨矿流程的探讨
短句来源
     Slime-water treatment by two-stage thickening and two-stage slime recovery
     浓缩、回收模式的煤泥水流程
短句来源
     Experimental Research on Combustion Boiler with Two-stage combustion
     燃烧炉的实验研究
短句来源
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  two stage process
Threshold energies have also been calculated for the Feldman two stage process.
      
The adjustment procedure of a dosing regimen can be regarded in general as a two stage process.
      
In 5-7% dextran and in 20μg/ml polylysine mutual adhesion was a two stage process.
      
A two stage process was necessary to obtain a rooting rate of the small cuttings close to 100%.
      
This theory begins with the standard view of a two stage process, intimal fibroplasia followed by atheronecrosis in the most thickened and aged places.
      
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Using bauxite, basic aluminum chlorides in which content of Al_2O_3 is 10% or more than 10% may bc producted in two stage reaction process. The need of hydrochloric acid is less. The suitable operation conditions are calcination temperature at 700~750℃, Calcination time at 30~50 minutes, mole ratio of acid and Al_2O_3 at 3.4~3.6、the first stage reaction time at 1.5 hours and the second stage reaction time at 3 hours.

利用含铝矿物,采用两段流程,在较低酸耗条件下可制取Al_2O_3含量>10%碱式氯化铝.适宜的工艺条件为:灼烧温度700~750℃,灼烧时间30~50分钟,加酸摩尔比3.4~3.6,一段反应时间1.5小时,二段反应时间3小时.

Three important progresses including the development of new catalyst and separating system for polynuclear aromatics and further improving of internals in reactor etc.in foreign fixed bed distillate hydrocracking in the nineties of the 20 th century were introduced.It was pointed out that (1)unlike high pressure hydrocracking,the middle pressure hydrocracking would not find wide commercial application;(2)the developing trends of catalyst are still improvement and enhancement of the activity,selectivity and stability...

Three important progresses including the development of new catalyst and separating system for polynuclear aromatics and further improving of internals in reactor etc.in foreign fixed bed distillate hydrocracking in the nineties of the 20 th century were introduced.It was pointed out that (1)unlike high pressure hydrocracking,the middle pressure hydrocracking would not find wide commercial application;(2)the developing trends of catalyst are still improvement and enhancement of the activity,selectivity and stability of the zeolite catalyst;(3)the unit with capacity less than 1000000 tpy should adopt the single stage process,to that more than 1000000 tpy,two stage process is suitable;and (4)it is unsuitable for hydrocracker to produce the feedstock for ethylene unit.

介绍了 2 0世纪 90年代国外固定床馏分油加氢裂化技术的三个重要进展 :开发了一批新的催化剂和稠环芳烃分离系统 ,进一步改进了反应器内构件。结合国外情况指出 :①中压加氢裂化将不会像高压加氢裂化那样在工业上得到广泛应用 ,也不会取代高压加氢裂化 ;②今后催化剂的发展方向仍是继续改进和提高沸石催化剂的活性、选择性和稳定性 ;③能力在 1.0Mt/a以下的装置宜采用单段流程 ,1.0Mt/a以上的装置宜采用两段流程 ;④加氢裂化装置生产乙烯装置原料看来是不合适的。

In order to reduce the investment, running cost and generation amount of AOX, a two stage short sequence process has been developed on the basis of multistage bleaching. There exists no problem to bleach oxygen delignified kraft hardwood pulp into bleached pulp with the DQ and PO two stage process but there exists the problem of serious reversion color in practical production. The problem of color reversion can be solved in the practical production with the technological process of the integration of the DQ...

In order to reduce the investment, running cost and generation amount of AOX, a two stage short sequence process has been developed on the basis of multistage bleaching. There exists no problem to bleach oxygen delignified kraft hardwood pulp into bleached pulp with the DQ and PO two stage process but there exists the problem of serious reversion color in practical production. The problem of color reversion can be solved in the practical production with the technological process of the integration of the DQ with high temperature chlorine dioxide treatment as the first stage and the PO with high efficiency pressure hydrogen peroxide bleaching treatment as the second stage.

为降低投资、运行费用和AOX的生成量,在多段漂白的基础上发展了两段短流程漂白。实验室中以(DQ)(PO)两段流程将氧脱木素后硬木硫酸盐浆漂成全漂浆已没有问题,但实际生产中存在返黄超标问题。以含二氧化氯高温处理的(DQ)*作为第一段和以高效压力过氧化氢漂白处理(PO)作为第二段的流程,可在生产实际中解决返黄问题。

 
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