全环

This thesis makes up the direction for Cu-Zn-Al-O catalyst, explores the perparation method and technological conditions、the reduction method and technological conditions of Cu-Zn-Al-O catalyst, investigates Cu-Zn-Al-O catalyst activity, and studies the kinetics of γButyrolactone synthesis reaction by the liquid phase dehydrocyclization from 1, 4-Butanediol on Cu-Zn-Al-O catalyst in the batch reactor.

研究了Cu-Zn-Al-O催化剂的配方、制备方法和工艺条件、活化方式和工艺条件，考察了催化剂的活性，并在全混釜反应器中研究了1，4—丁二醇在Cu-Zn-Al-O催化剂上液相脱氢环化合成γ—丁内酯的反应动力学特性。

No doubt,"men" are the subjects of education, which call for diverse teaching styles. On the other hand, historical heros as canonic stereotypes are worthy of being topics in class, so as to initiate students' independent, systematic thinking and judgment.

「人」是教育的主体，教学的方法很多，在人史洪中可为典范、可为借镜的人物少，以人物做为教学的题材，古今映照、激发同心，构建脉络性思维，「进而建人的主体性」，「中国代人物概」的课程是达到「全人教育」目标的重要一环。

The galaxy's core is unique for its stunning 2,400 light-year-wide circle of infant star clusters, called a "circumnuclear" starburst ring.

银河系的核心是独特的供其惊人的2400光年年全循环的婴儿星团，所谓的& circumnuclear & starburst环。

By simulation, the optimal operation conditions were gained in every step in the separation process, and polymerization-class isoprene was gained by the process. And to improve the economy of process, the process was studied by simulation, 99% cyclopentene and 1, 3-pentadiene were gained by continuous separation process. All were the base of the process industrialization.

通过模拟研究，得到分离各步的最佳塔高，进料位置和各种操作条件；并进行了全流程的模拟优化得到聚合级的异戊二烯的各种工艺参数；通过模拟研究对分离工艺进一步深化，得到了从C5中分离出环戊烯和间戊二烯的优化工艺条件，对工艺经济性进一步优化，给过程工业化提供了依据。

The heterogeneous W-HMS catalyst was in-situ prepared by immobilization of tungstic acid on hexagonal mesoporous silica. It was used to synthesize glutaraldehyde from cyclopentene.

采用原位合成法将W(上标 6+)引入六方介孔全硅分子筛骨架中，制备了应用于环戊烯催化氧化合成戊二醛反应的W-HMS催化剂。

In March, May and July, Cyanophyta was the dominant one, with high proportions of 45.6%, 55.9% and 87.7%, respectively, whereas the proportions for Bacillariophyta decreased to 30.1%, 25.9%, and 1.1%, respectively. In November, proportions for Bacillariophyta and Chlorophyta were equivalent, 40% each, and the Cyanophyta composed below 20%. In December, Bacillariophyta made up 25.6% and Cyanophyta 38.2%. In March, May and July, dominant species of Cyanophyta were Microcystis aeruginosa, Pseudoanabaena, and Gloeothece linearis. In dry January, November and December, species of Bacillariophyta were dominated by A chnanthes sp., Melosira ambigua, Melosira granulata and Cyclotella meneghiniana.

全年中，蓝藻与硅藻比例变化较大，二者呈相反的变化趋势。1月份硅藻占较高比例（63.1％），蓝藻较低（〈20％）；3、5、7月份蓝藻比例较高（分别为45.6％、55.9％、87.7％），而硅藻较低（30.1％、25.9％、1.1％）；11月份硅藻与绿藻比例相当（各占40％），蓝藻低于20％；12月份硅藻与蓝藻比例分别为25.6％与38.2％。3月份和丰水期浮游植物优势种主要为铜绿微囊藻、假鱼腥藻和线形粘杆藻等蓝藻种类，枯水期的1月、11月和12月主要以曲壳藻类、模糊直链藻、颗粒直链藻和梅尼小环藻等硅藻种类为优势种。

The digital closed-loop control system is designed and the dissolutive oxygen control algorithm is given out using neural PID algorithm.

设计了全数字化的闭环控制系统，以溶解氧指标为控制对象进行了控制算法设计，针对转刷曝气工艺的特点，采用神经PID调节算法，引入了线性神经元对经典PID算法进行优化、应用梯度下降法对NNC网络权值进行在线计算。

The digital closed-loop control system is designed and the dissolutive oxygen control algorithm is given out using neural PID algorithm. The traditional PID algorithm is optimized by neural network cell method and the weight value of NNC is generated on-line.

设计了全数字化的闭环控制系统，以溶解氧指标为控制对象进行了控制算法设计，针对转刷曝气工艺的特点，采用神经PID调节算法，引入了线性神经元对经典PID算法进行优化、应用梯度下降法对NNC网络权值进行在线计算。

The all cis-structure of the cyclizative product was found. The construction of the enolic hydroxyl structure became easier and excellent.

合成中发现环化产物为全顺式结构，烯醇式结构的建立更为简洁、高效，异丙基在较复杂的结构下实现了一步引入。

In this paper, we mainly study extensions of partial order and finitely totally order for partially ordered semirings, and obtain some new results.

本文主要研究了偏序半环的偏序扩张和有限全序扩张，并得到了一些新的结果。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。