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Through the experimental research of main operating parameters of a dual air-register burner boiler, which have an effect on combustion, the authors have identified the variation relationship between boiler economic performance and such factors as oxygen content, primary air flow rate, various damper openness of the burners, and coal pulverizer feed rate, etc. The optimized selection of the above-cited parameters results in a significant enhancement of the boiler operating efficiency.

摘要〕 通过对双调风燃烧器锅炉影响燃烧的主要运行参数的试验研究，分析得出了氧量、一次风量、燃烧器各挡板开度、磨煤机给煤量等主要燃烧参数对锅炉经济性的影响规律，并对这些参数进行优化选择，使锅炉的运行经济性得到了明显提高。

METHODS:Based on the extraction rate of chlorophyll,acetone method was compared with alcohol method and the preparing factors of acetone method was optimized by orthogonal design.

以叶绿素提取率为指标，对脱镁叶绿酸制备的乙醇法和丙酮法工艺进行比较，用正交试验法对丙酮法的工艺条件进行优化。

The method: First of all, with 95%, respectively, ethanol, petroleum ether (60 ℃-90 ℃), acetone, chloroform and other organic solvents for extraction of total pigment shikonin ability to inspect, the better the selection of solvent extraction, and then choose extraction dynamic orthogonal extraction were optimized in order to Shikonin total extraction rate for the pigment inspection targets, optimization of the extraction of the best ways.

首先分别用95%的乙醇、石油醚(60℃-90℃)、丙酮、氯仿等有机溶剂对紫草总色素的提取能力进行考察，筛选出较佳的提取溶剂，再选用浸提法、动态提取法分别进行正交优选，以紫草总色素的提取率为考察指标，优选出最佳的提取方式。

In this work, a full optimal calculation on the molecular geometry and electronic structure of C24H30O8 has been performed using density functional theory methods at B3LYP/6-31G(superscript *) level. The solvent effects of C24H30O8 have also been investigated based on Onsager self-consistent reaction field model in chloroform, acetone, DMSO and water. On the basis of optimized geometry in gas phase the vibration analysis is carried out and the IR principle peaks scaled by 0.9613 are in good agreement with experimental.

采用密度泛函理论方法，在B3LYP/6-31G水平下全优化得到了该化合物的分子几何构型和电子结构；依据Onsager自恰反应场模型考察了其在氯仿、丙酮、二甲亚砜及水等溶剂中的溶剂化作用；基于气相优化结构进行了B3LYP/6-31G振动分析，用0.9613校正后的主要红外光谱与实验符合得很好。

The experimental procedure in this study provided optimized instrumental conditions (the ratio of acetylene to air, the burner height) and parameters, and researched the spectral interferences and chemical interferences. The influence of the organic solvents on the CS absorption signals and the different digestion procedures for the determination of sulfur were also investigated.

实验对乙炔-空气比例和燃烧器高度等仪器条件进行了优化；实验研究了五种有机溶剂对CS分子吸收产生的影响情况、其他共存元素的光谱干扰和化学干扰以及不同的消解酸种类对测定结果的影响。

Using optimized DNS colorimetric method to determine the polysaccharides. Result The conditions were as follows: 3,5-dinitrosalicylic acid 2.0ml,aqueous bath temperature 100℃, and active time 5min.

用优化后的3，5-二硝基水杨酸比色法测定黄芪有效部位多糖的含量。

800 Hours stability experiment was done under the optimized conditions,the content of congruence oil and acid was investigated too.

2在选定的较佳工艺条件下进行了800小时催化剂稳定性实验，同时研究了催化剂的脱酸情况和反应物中的叠合油含量。

The study indicate that it is theoretically feasible that applying the optimized model of nitrogen and phosphor removal activated-sludge process established in the paper to municipal wastewater treatment plant designing and calculating

研究表明：用本文创建的活性污泥脱氮除磷系统优化模型来进行城市污水处理厂的工艺设计计算在理论上可行，用Mauab平台开发的优化设计程序ODP在实践上有继续深入研究开发的价值，具有良好的应用前景。

Sensors, data acquisition cards and virtual instrument software are applied in the electronic control of ethanol injecting for optimized diesel/alcohol dual-fuel engine, through complement factor experiment which combines three fuel supply advance angle with four ethanol supply time, the performance of dual-fuel engine is compared with the original one under same condition.

使用传感器、数据采集卡和虚拟仪器软件改进柴油/乙醇双燃料发动机的乙醇喷射电子控制系统，通过三个供油提前角、四个供醇时刻组合的全因素试验，比较了双燃料发动机与原机相同工况下的性能。

A yield of 88% for TMH can be obtained by using the optimized synthetic conditions as follows: molar ratio of formaldehyde to octylaldehyde 4.5: 1.0, molar ratio of sodium hydroxide to octylaldehyde 1.4: 1.0, aldol condensation temperature 35℃ and time 240min Cannizzaro reaction temperature 55℃ and time 180min.

结果表明，优化的合成三羟甲基庚烷的反应条件是，n／n=4.5，n/n=1.4，羟醛缩合反应温度和时间分别为35℃和240min，康尼扎罗反应温度和时间分别为55℃和180min，摩尔产率可达88%。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。