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chemical processes     
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  化工过程
     OPTIMAL DESIGN OF MULTIPRODUCT BATCH CHEMICAL PROCESSES──MIXED SIMULATED ANNEALING
     多产品间歇化工过程最优设计──混合模拟退火法
短句来源
     A Study on the Modeling of Chemical Processes with BP Neural Networks
     基于BP神经网络的化工过程建模研究
短句来源
     Study of network based CAI system for computer-aided calculation in chemical processes
     化工过程计算机辅助计算的网络CAI系统的研究
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     A Study on the RBF Neural Network Method Used for the Dynamic Monitoring of Chemical Processes
     化工过程动态监控中的RBF神经网络方法研究
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     Research on Fault Diagnosis of Chemical Processes Based on MAS(Ⅱ)
     基于MAS的化工过程故障诊断研究(Ⅱ)
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  化学过程
     The self desensitation chemical processes in the infrared dyes lead to the low sensitization efficiency.
     红外染料自减感的化学过程是致使红外增感效率低的原因。
短句来源
     Eh and pH of rhizosphere can influence the chemical processes of heavy metals in soil.
     根际环境的pH和Eh会产生影响土壤中重金属的化学过程
短句来源
     The application of this method to dynamic modeling of typical chemical processes shows that the presented approach is effective.
     将本法应用于典型的化学过程的建模,结果表明本方法正确有效。
短句来源
     In order to provide some useful data for studies on radiative and chemical processes in the stratosphere,the vertical distribution of trace gases(NO,NO-2,HCl,HF,CH-4,H-2O and O-3) and their variation trends in the stratosphere over China have been analyzed by using the HALOE data from 1992 to 2005.Besides the mixing ratio of the traces averaged over China,the values averaged over the Qinghai-Xizang Plateau are also given.
     利用1992~2005年卤素掩星试验(HALOE)的观测资料分析了中国上空平流层的几种微量气体(NO,NO2,HF,HCl,CH4,H2O和O3)混合比的垂直分布和变化趋势,以期为研究平流层的辐射和化学过程提供一些有用的数据. 文中除给出我国上空平流层各高度上平均的各种微量气体的含量外,还给出青藏高原上空这些微量气体的含量.
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     (3)Equilibriums and kinetics of chemical processes in the sea;
     (3)海洋中化学过程的平衡和动力学;
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  化学法
     Through the analysis of properties and electric performance test results of AgSnO2 wire products with different additives by chemical processes, it shows that the materials made by this process have even microstructure and good properties, as well as high percent SnO2 of AgSnO2 wire products.
     对化学法工艺制备的含不同添加物的AgSnO2系线材产品的性能及电寿命试验进行了分析,结果表明,该工艺制备的材料金相组织均匀,材料综合性能较为均衡,可制备高SnO2含量的产品。
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     This paper discusses respectively on the mechanisms of the denitrification and dephosphorization by using the chemical processes and the factors influencing these reactions,makes comparison of the influences of the additive quantity and the pH value on the effect of the denitrification and dephosphorization with the chemical processes,and based on this,analyzes on the research trend of simultaneous denitrification and dephosphorization with the chemical processes.
     分别讨论了化学法除磷和化学法脱氮的机理和反应的影响因素,对加入药剂的量和pH值对化学法除磷和脱氮效果的影响进行了比较,并在此基础上分析了化学法同时脱氮除磷的研究趋势。
短句来源
     The Study on the Denitrification and Dephosphorization of the Waste-water with the Chemical Processes
     废水化学法脱氮和化学法除磷的研究
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     Discussion on successful development of highly effective new-type coagulant and flocculent which made them possible to apply chemical processes to urban wastewater treatment were also presented.
     同时,讨论了新型、高效化学混凝剂和絮凝剂的开发成功,使化学法用于城市污水的处理成为可能。
短句来源
     However, bioprocesses are facing a challenge of cost competitiveness with chemical processes because capital assets associated with the existing commercial processes are high.
     然而 ,生物法面临的挑战是与化学法的成本竞争 ,这是因为目前商业方法的固定资产是相当高的。
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  化学处理
     Sour milk with zine is a strengthening zine element function newtipe milk,Nutrutive strengthener is the natural green pigment with zine zine chlorophyll in which is made by using chlorophyll of mulberry leaves as raw material and going though a sevies of physical and chemical processes and it has pigment and replenishing zine element double functions.
     富锌酸奶是一种新型强化锌元素功能的牛奶制品 ,强化剂是以桑叶所含叶绿素为原料 ,经一系列物理、化学处理 ,制得天然含锌叶绿素 ,具补锌和绿色素双重功能
短句来源
     The concentrated Zr tails of Nb Ta ore was fused with solid NaOH and CaO powders After a series of chemical processes, the fused mixture was turned to colorless needle crystal. The composition and structure of the crystal was determined as ZrOCl 2·8H 2O. The best conditions for fusion reaction were also determined.
     铌钽矿的富锆尾矿与碱石灰在一定温度下熔融 ,熔融物经过一系列化学处理后得无色针状晶体 ,对产品的结构和组成进行了分析测试 ,确定为 Zr OCl2 · 8H2 O。
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  chemical processes
The former was based on physical and chemical processes, while the latter involved more complicated bio-oceanic-geochemical processes.
      
Distillation columns constitute a significant fraction of the capital invested in the refineries around the world; their control requires a major part of the total operating cost of chemical processes, if the used strategy is not adequate.
      
In addition, the primary contact with a foreign protein triggered a cascade of chemical processes mobilizing antioxidant systems and increasing nitric oxide production in the small intestinal tissues.
      
Colloidal and Chemical Processes during the Interaction between Polyacrylic Acid and Zinc Oxide Dispersion
      
Colloidal and Chemical Processes in Hardening Alkaline Compositions Based on Aluminosilicates and Slags: 1.
      
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In the degumming of the ramie the chemical process, usually employed in this country is to boil the material in the alkaline solution. While the experiments in this paper prove that the time required for boiling the material in the alkaline solution may be reduced by the following procedures: After softening and wetting, the material is treated in the chlorine for 5-8 minutes, and then boiled in the alkaline solution for about 3 hours. The same favourable results are obtained by introducing the bleaching...

In the degumming of the ramie the chemical process, usually employed in this country is to boil the material in the alkaline solution. While the experiments in this paper prove that the time required for boiling the material in the alkaline solution may be reduced by the following procedures: After softening and wetting, the material is treated in the chlorine for 5-8 minutes, and then boiled in the alkaline solution for about 3 hours. The same favourable results are obtained by introducing the bleaching solution instead of chlorine for the experiments in mills. As for the physical properties of the fiber, the result of the experiment shows that the fiber strength is 57,98 gr. for the materials treated by chlorine, and that 52,76 gr. for thosenot treated by chlorine. Hence it is proved that there is no effect on the fiber strength for those materials under the process suggested in this paper.

苧麻脫膠目前在我国大都采用苛性鈉溶液煮炼化学脫膠法。为縮减碱液煮煉时间,本试验将已经柔軟浸湿的苧麻进行預氯处理約5~8分鐘,然后再行碱液煮炼脱膠。煮煉时間为3小时。在工厂试验时,改用漂白水代氯处理,也同样获得优良效果。成品纖維品質测定結果,经氯处理后脫膠的纤维强力平均为57.98克,普通脫膠的纖睢强力平均为52.76克,說明纤维强力并不受氯处理的影响。

A brief outline based on foreign literature published in 1951-1960 is given of the advances in chemical oceanography within the last tea years under following topics: (1)Chemistry in relation to marine organisms; (2)Marine geochemistry of clements; (3)Equilibriums and kinetics of chemical processes in the sea; (4)Physico-chemical properties of sea water; (5)Chemistry in relation to hydrology; (6)Chemistry of sea sediments.

本文根据1951-1960年主要文献,对国外近十年来化学海洋学主要发展情况做初步的概括介绍,除对整个学科的总的特点和总的趋势加以讨论外,并将近十年主要工作分为:(1)海洋生物和化学的关系;(2)元素在海洋中的地球化学;(3)海洋中化学过程的平衡和动力学;(4)海水物理化学性质;(5)化学组成与水文的关系和(6)海洋沉积物化学等六个方面做重点介绍。

In our recent work of simulating the chemical process of polymerization by matho-matical models,problems involving Flory distribution and its moments of different orders have been frequently encountered. The object of this paper is to derive a general formula to evaluate the sum of the series wherein N may be any positive integer.This result will be feasible for auy given N,and can be translated into computer program when necessary. First of all,by mathematical induction a set of identities may be proven.??...

In our recent work of simulating the chemical process of polymerization by matho-matical models,problems involving Flory distribution and its moments of different orders have been frequently encountered. The object of this paper is to derive a general formula to evaluate the sum of the series wherein N may be any positive integer.This result will be feasible for auy given N,and can be translated into computer program when necessary. First of all,by mathematical induction a set of identities may be proven.?? making use of the given identities yields?? Thus we finally arrived at the general formulation? where α_n~N satisfies some recursion relations and can also be expressed in a triangular array.

最近我们在成纤高聚物反应工程数学模拟研究过程中,多次碰到Flory分布高阶统计矩的问题——级数?的求和.本文目的在于得到一个N为任意正整数的通式,对于任何N均可直接套用,而且这个结果也可作为一个不难实现的计算机用算法.首先用数学归纳法证明一组恒等式然后令藉助上述恒等式可得(公式)因此式中a_n~N符合一组递推关系,并可简明地表为三角阵.

 
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