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single column     
相关语句
  单柱
     Presents an analytical method for the separation and determination of SO 2- 3,SO 2- 4 and S 2O 2- 3 in sodium dithionite by single column ion chromatography.
     采用单柱离子色谱法分离测定了保险粉中的分解离子(SO2-3 、SO2-4 、S2O2-3 )。
短句来源
     Negative ions of surface water including F -、Cl -、NO - 2 N、NO - 3 N,SO 2- 4 were detected at the same time with single column Ion Chromatography.
     单柱离子色谱法同时测定地面水中F-、Cl-、NO-2-N、NO-3-N、SO2-4阴离子。
短句来源
     Trace amount of Na ̄+ and Fe ̄3+ in phosphoric acid are simultaneously determined by single column ion chromatography using tartaric acid (4.0 mmol.L ̄(-1)) and ethylenediamine (1.0mmol.L ̄(-1)) mixture as eluant ,with a conductance detective sensitivity of 2. 0 μs/cm;
     以酒石酸-乙二胺为淋洗液的单柱离子色谱法同时测定磷酸中痕量钠(Ⅰ)和铁(Ⅲ)。 淋洗液最佳浓度为4.0mmol.L ̄(-1)、酒石酸/1.0m mol·L ̄(-1)乙二胺。
短句来源
     STUDY OF INJECTION PEAK IN SINGLE COLUMN ANION CHROMATOGRAPHY
     单柱阴离子色谱中进样峰的研究
短句来源
     Determination of Oxalic Acid Content in Tea by Single Column Ion-Chromatography
     单柱离子色谱法测定茶叶中草酸含量
短句来源
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  独柱
     Discussion about Structural Design of Monorail Elevated Station Built on T-type Single Column Pier
     单轨“T”型独柱墩高架车站结构设计若干问题探讨
短句来源
     INFLUENCE LINE OF SINGLE COLUMN SUPPORTED CONTINUOUS CURVED BEAM BRIDGE
     独柱支撑连续弯梁桥影响线
短句来源
     Transverse Design of Single Column Continuous Hollow Plate Bridge
     独柱式连续空心板桥的横向设计
短句来源
     The main bridge of Qi′ao Bridge is a prestressed concrete cable stayed bridge with two single column pylons and single cable plane. The arrangement of spans is (40.5+136+320+136+40.5)m.
     珠海淇澳大桥主桥为双塔独柱单索面预应力混凝土斜拉桥 ,桥跨布置为 (40 .5 + 136 + 32 0 + 136 + 40 .5 )m。
短句来源
     Approach to Transverse Displacement of High Single Column Pier of Urban Elevated Bridge
     城市高架桥之高独柱墩横向位移探讨
短句来源
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  单塔
     The results are shown as:(1)The pressure loss in new flue system should be decreased by 255Pa, and the new system of flue should be adapted to requirements of the productivity in single column from 32t/day to 38t/day and of the most productivity of 450000t per year.
     1、新的烟道系统的阻力损失比原来减少了255Pa,抽力比原来提高了255Pa,同时也考虑满足了日后单塔日产从目前的32t/天,提高到38t/天,以及增建一组精馏塔的抽力要求,烟道系统可满足最大生产能力45万吨/年要求。
短句来源
     MINLP models for single column optimization in separation system, separation network optimization and heat exchange network design optimization are given respectively and the application examples have been studied . Optimization results of the subsystems have been obtained, which proves that MINLP model is feasible to the optimization of separation system and heat exchange network. Study orientation of MINLP model in separation system and heat exchange network has been pointed out as well.
     就分离系统的单塔优化、分离网络优化,以及换热网络的设计优化问题,分别给出了各系统的超结构混合整数非线性规划(MINLP)模型,并对具体的实例进行了应用研究,分别得到了各子系统的优化结果,证明MINLP模型对分离系统、换热网络的优化是可行的,并指出了MINLP模型在分离系统、换热网络优化研究的方向。
短句来源
     A single column batch azeotropic distillation method applying to separation of isopropanol-water system is suggested. Product isopropanol ( water amount less than 0.5%) is obtained from aqueous isopropanol containing 12.6% water, recovery of isopropanol is 97%.
     采用单塔间歇恒沸精馏法将异丙醇与水分离,从含水12.6%左右的醇溶液可制得含水小于0.5%的异丙醇产品,醇的回收率达97.0%。
短句来源
     This paper describes the commercial-scale test on treatment of cadmium-bearing materials by single column to produce crude cadmium at one go, where by using Type 1372 large lead column for treating materials with 40%~90%Cd, it is possible to enrich cadmium to about 98% and enable content of lead, zinc and other high-boiling impurity metal in the crude cadmium to comply with the specification.
     进行了含镉物料单塔处理一步产出粗镉的工业试验。 采用1372大型铅塔处理含镉40%~90%的物料可使镉富集到98%左右,铅、锌及其它高沸点杂质金属的含量符合粗镉要求。
短句来源
     The causes of the corrosion cracks induced in the raw material water tanks for the stripping plant in a single column were analyzed,and some countermeasures were proposed,some reasonable technologies based on the corrosion causes were made for the normal operation of the raw material water tanks.
     分析了单塔汽提装置原料水罐产生腐蚀裂纹的原因并提出了对策,根据腐蚀成因制定了合理的施工工艺,保证了原料水罐的正常运行。
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  单根柱
     Six dissolved gases(H 2 ,CO,CH 4 ,C 2 H 4 ,C 2 H 2 ,C 2 H 6 )in transformer oil could be separated off with a single column in14min utes. The temperature influence on the fixed phase of the chromatographic column is considerably low-er. The column can be applied in on-line transformer monitoring in atmospheric tempera ture.
     (介绍了一种新型的复合油色谱分离柱,其特点是用单根柱可在14分钟内分离溶解在变压器油中的H2、CO、CH4、C2H4、C2H2、C2H6等6种气体,而且色谱柱的固定相受温度影响很小,可在常温下使用,适用于变压器在线监测。
短句来源
     Cryogenic distillation model for single column was built to simulating hydrogen isotope separation system. Three two-component system H_2/HD,H_2/HT and D_2/DT was studied.
     建立了单根柱的低温蒸馏计算模型,对H2/HD,H2/HT和D2/DT三个双组分体系进行了计算。
短句来源
     A practical second-order elastic model of a two-dimensional assemblage comprising a single column and a single beam to reflect the geometric imperfections can be used to determine the deformation and the internal forces.
     因此在由单根柱和梁组成的平面子结构二阶弹性理论模型中,引入以上两种几何缺陷,得出了位移与内力的计算公式。
短句来源

 

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      single column
    The control scheme is applied to an example reactive distillation column in which two products are produced in a single column and the reversible reaction A+B=C+D occurs.
          
    A systematic method of obtaining model parameters for the SMB simulation from single column chromatography experiments was presented.
          
    The possibility of applying SMB chromatography for the separation of 2,6-DMN and 2,7-DMN was investigated by numerical simulation based on the single column chromatography experimental data.
          
    Differential mass balances which can extend a column model from a differential single column to an integral column and heat balances were suggested.
          
    The mass transfer in a differential single column can be described by the Maxwell-Stefan equations.
          
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    Because of the fact that there exists a mathematical identity between the statically indeterminate moments in the compatibility equation and the fiber stresses in the equation of eccentrically loaded columns, in analyzing singly-connected (single cell) rigid frames with degree of redundancy not more than 3, it is usually possible to use the familiar formula for short columns eccentrically loaded to analyse the indeterminate moments, which is called the column analogy. This method which is simple and straight-forward,...

    Because of the fact that there exists a mathematical identity between the statically indeterminate moments in the compatibility equation and the fiber stresses in the equation of eccentrically loaded columns, in analyzing singly-connected (single cell) rigid frames with degree of redundancy not more than 3, it is usually possible to use the familiar formula for short columns eccentrically loaded to analyse the indeterminate moments, which is called the column analogy. This method which is simple and straight-forward, is becoming one of the convenient tools in structural analysis.For multi-connected (multi-cell) rigid frames which are composed of many singly-connected rigid frames and have degree of redundancy more than 3, the analysis becomes more difficult and the column analogy cannot be applied directly. Generally the moment-distribution method is used and the column analogy is only used for the determination of various constants such as fixed-end moments, stiffness factors and carry-over factors for use in the method of moment distribution.The present paper gives an extension of the column analogy, making it applicable to the analysis of multicell problems. Each cell is analogized by a single column. The influences of the common member of two neighbouring cells are studied and the results are represented by corrections in the load and moments carried by the column. Once the -corrected loading for each cell is determined, further computation is just the same as in the ordinary column analogy.

    在解析小於三次靜不定的單空剛構時,由於變形諧調條件中,靜不定彎矩的關係式與直柱偏心受壓中應力的關係式形式相似,常可利用在材料力學中已熟悉的偏心受壓柱公式來幫助解析,這就叫做柱比分析法。方法簡明,不易錯誤,為計算上很便利的方法之一。 由許多單空剛構組合起來的多空剛構的靜不定次數大於三,解析即比較繁雜,不能直接採用柱比法。通常可採用彎矩分配法,而僅用柱比法來求出各個桿件的各種常數,如傳遞係数、分配係數等,供分配法运算之用。 本文將柱比法予以推廣,使能應用到多空剛搆的解析。方法系将每一“空”看成一個柱,研究相鄰两“空”间共同桿件的影响,進而修正柱上所负担的荷重。求得每一個空的修正荷重後,计算即与一般的柱比法相同。

    Organo-clay containing quaternary ammonium ion with long aliphatic chains shows specificity for the separation of xylene isomers, but ethylbenzene and p-xylene emerge as one peak and o-xylene is eluted before m-xylene. Octadecane has good resolving power for ethylbenzene and p-xylene, but it reverts the elution order of o- and m-xylene and its retarding force for o-xylene is not strong. Dinonyl phthalate has weaker resolving power for ethylbenzene and p-xylene, but stronger affinity for o-xylene. Appropriate...

    Organo-clay containing quaternary ammonium ion with long aliphatic chains shows specificity for the separation of xylene isomers, but ethylbenzene and p-xylene emerge as one peak and o-xylene is eluted before m-xylene. Octadecane has good resolving power for ethylbenzene and p-xylene, but it reverts the elution order of o- and m-xylene and its retarding force for o-xylene is not strong. Dinonyl phthalate has weaker resolving power for ethylbenzene and p-xylene, but stronger affinity for o-xylene. Appropriate combination of the above three components either in a column of serial packing of individual component or in a single column of mixed substrates serves for the complete resolution of the four isomeric C_3 aromatics.

    用一般的色谱固定液不能将八碳芳烃异构体中的间位和对位二甲苯很好地分开。含有长链脂肪族胺的有机粘土可以达到这个目的,但是它却不能分离乙苯和对二甲苯,同时邻二甲苯在间二甲苯之前流出。十八烷可以很好地分离乙苯和对二甲苯,但邻二甲苯在间二甲苯以后流出,而且它对于邻二甲苯的滞留作用不强。邻苯二甲酸二壬酯虽然对于乙苯和对二甲苯分离的作用不大,但对于邻二甲苯有较强的亲和力。因此,将上述三者适当地配合可以将八碳芳烃的四个异构体很好地分开。采用串联柱或混合固定液都可以达到上述目的。

    A chromatographic method is used for hydrocarbon-type analysisbycarbon-number of wide-cut catalytic reforming naphtha(60-180℃),using a single column packed with 10X molecular sieve thin layer loaded on support 101. The absolute error of each group is less than 2%. The apparatus is simple and convenient for operation.

    采用10X分子筛-101载体薄层填充柱、氢焰离子化检定器的气相色谱法,一次进样可将宽馏份(60~180℃)重整生成油中的烷烃、环烷烃和芳烃按碳数、类型进行定量分离。各族烃类的含量,最大绝对误差不超过2%。仪器简单,操作方便。

     
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