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  operation
    OPTIMAL OPERATION OF HEAT EXCHANGER NETWORK IN CRUDE DISTILLATION PROCESS
    原油蒸馏过程换热网络的最优操作
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    A BRIEF DISCUSSION ON THE CONTROL AND OPERATION OF ETHYLENE CRACKING FURNACE OUTLET TEMPERATURE
    浅谈乙烯裂解炉炉出口温度的控制与操作
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    DESIGN OF OPTIMIZING OPERATION & DIRECTION EXPERT SYSTEM(OODES)FOR FCCU
    催化裂化装置优化操作指导专家系统(OODES)的设计
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    Some Suggestion on the Operation of LF 13-1 Platform
    对陆丰13-1油田操作的建议
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    DEVELOPMENT AND APPLICATION OF EXPERT SYSTEMS IN COMMERCIAL HYDROCRACKING PROCESS FOR OPERATION AND MANAGEMENT AIDING
    加氢裂化工艺辅助操作与管理专家系统的开发与应用
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  operating
    Five Years Operating Experiences on SUPERCLAUS Units
    Superclaus工艺的五年操作经验
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    Operating Experience of Well Testing in Special Gas Wells
    特殊气井的试井操作经验
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    Research on operating parameters of packed flotation column
    填料式浮选柱操作参数的研究
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    The optimal operating conditions for SRNA-4 in the MSB gasoline desulfurization system included the nitrogen pressure of 1.0 MPa,the adsorption temperature of 100℃,the LHSV of 12 h-1 and the Hext of 20 kA/m.
    在MSB中SRNA-4汽油吸附脱硫的适宜操作条件为:压力1.0 MPa,温度100℃,LHSV 12 h-1,Hext20 kA/m。
短句来源
    INFLUENCES OF OPERATING CONDITIONS ON INDUCTION PERIOD OF FCC GASOLINE
    操作条件对催化裂化汽油诱导期的影响
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  “操作”译为未确定词的双语例句
    Design of Remote Control and Monitor System of Unmaned Control Platform in BZ 34-4W
    渤中34—4W无人操作平台遥控监视系统的设计
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    Calculation of Liquid Holdup on a Tray under Spray Conditions
    喷射操作状态下塔板持液量的计算
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    As an ideal device for acidizing and fracturing in oilfields,the new pump uses the performance parameters(pressure and displacement)of one kind of plunger to cover the performance parameters of various plungers of three-cylinder plunger pump for cementing and fracturing.
    这种泵具有压力高、排量大、性能可靠、结构紧凑、操作灵活等特点,采用一种柱塞的性能参数(压力、排量)可覆盖目前所有固井、压裂用三缸柱塞泵在各种柱塞时的性能参数,是油田酸化压裂作业的理想设备。
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    Experimental results show that sulfur content in the treated diesel can be lowered from 1441 μg/g to 262 μg/g with desulfurization efficiency of 81. 8 % when using Al22O3 as oxidizing catalyst and furfural solution containing water as desulfurization catalyst and extractant under the following condition: speed of agitator 700 r/min. amount of catalyst 5% , reaction temperature 140 ℃, reaction time 90 min and oxygen pressure 0.6 MPa.
    实验表明,选用Al2O3作氧化催化剂,以含水糠醛溶液作脱硫萃取剂,在搅拌速度700r/min、催化剂用量5%(W)、反应温度140℃、氧化时间90min和充氧压力0.6MPa的操作条件下,对直馏柴油进行催化氧化脱硫,其硫含量由1441μg/g降到262μg/g,脱硫率达到81.8%。
短句来源
    And under the optimal reaction conditions,the conversion of soybean oil is 53%. At the same time,the reactant mixing state has an important influence on the transesterification and the conversion. Tetrahydrofuran,a co-solvent added to the reaction system,has an beneficial effect on the transesterification and can increase the conversion of soybean oil from 36% to 75% when the temperature is 360 ℃ and the molar ratio of tetrahydrofuran to methanol is 0.04∶1.
    在连续操作条件下反应物的混合状况对酯交换反应及其转化率有重要影响,在甲醇中加入有机共溶剂四氢呋喃可明显提高甲醇与大豆油的互溶性,降低甲醇的临界点,使醇油的混合效果更好,当四氢呋喃与甲醇的摩尔比为0.04∶1和温度为360℃时,大豆油的转化率可由36%提高到75%.
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  operation
The operation adj on matrices arises from the (n - 1)st exterior power functor on modules; the analogous factorization question for matrix constructions arising from other functors is raised, as are several other questions.
      
The operation number of the stable doubleLR algorithm for normative matrices is only four sevenths of the rationalQR algorithm for real symmetric tridiagonal matrices.
      
Two-operation homomorphic perfect sharing schemes over rings
      
Two-operation homomorphic sharing schemes were introduced by Frankel and Desmedt.
      
They have proved that if the set of keys is a Boolean algebra or a finite field, then there does not exist a two-operation homomorphic sharing scheme.
      
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  operating
Our results are valid for any quantizer with accuracy ε >amp;gt; 0 operating in the no-overload regime.
      
Impact of operating costs on investment strategies in new technology adoption with a further new technology anticipated
      
Here it is assumed that the operating costs are not zero which has more explanatory power of the real world.
      
There exist three kinds of equilibria that may occur in adoption of current technology, which mainly depends on the level of operating costs and the first-move advantage.
      
The working conditions for CE-FA separation are as follows: operating voltage, 10 kV; running buffer, 67 mmol·L-1 phosphate, pH 7.4.
      
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The key point regarding the safety consideration of internal floating roof tank for storing petroleum and its products is the seal between the floating roof periphery and tank shell. The seal should fit tightly against the shell all around and the floating roof should move smoothly both up and down.Good ventilation and accurate monitoring for the gas mixture above the floating roof are also of critical importance.

内浮顶油罐只要密封良好,罐顶和罐壁有足够的通气孔.在通常情况下,内浮盘上部空间里很少有油气积聚,不易达到爆炸极限,操作是安全可靠的.

The jet condenser pump coupled with both air and indirect water cooling systems was successfully used on top of vacuum tower in place of the conventional barometric-jet condenser. The average vacuity was maintained at 700 mm Hg or 696 mmHg under high throughput(above 9258 T/D). The energy consumption was reduced by 1.188 MM kcal/hr. The operating cost was reduced significantly although the initial investment was higher than that of the conventional system. The pay-off time is less than 3 years.

为了扩大空冷技术的应用,我厂把原减压塔顶及抽空系统由混合型流程改造成湿式空冷间冷型流程。改造后,减压塔顶真空度全年平均为700毫米汞柱,在高负荷(9258吨/日)处理量下,真空度平均为696毫米汞柱。能耗减少118.8万千卡/时。一次投资设备费用,空冷比水冷多用146.38万元,但空冷每年可节约操作费用48万元,3年时间可全部收回其投资。

This is a summarized report on the operation of a distillation unit after revamped in 1979 and some improvements and modifications during the first turnaround in 1981.

本文介绍了上海炼油厂1#蒸馏自1979年技术改造以后至1981年4月检修,在运转期间的操作情况及存在问题,通过检修怎样消除了原有的缺点,以及减压塔抽真空系统改用湿空冷,减压塔顶段改用金属填料等新的技术措施,效果较好。

 
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