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In China,mainly act as polymerize disperse agent of chlorethene and styrol,secondly used in the fields of daily chemical,building and paint,HEC is in the stage of popularization and the consumption is about 3600 tons.

目前国内消费量约为3600吨，主要用作氯乙烯和苯乙烯的聚合分散剂，其次在日化、建材、涂料等方面应用逐渐扩大，随着我国石油、天然气开采的发展，对HEC的需求将日益增加。

This paper has studied the physiological and biochemical changes during the period of forming strong buds of tree peony, and expect to provide academic basis for extending its view value and economic benefit . The main results are as the following:1 Under the field condition, Characteristics of photosynthesis of tree peony are very regular. From before blooming to the prophase of abducting buds that after blooming ,that is April,May and June,the net photosynthetic rate of tree peony is higher than the other period .It indicates that this period is very important for accumulating photosynthetic products of tree peony . So, if we want to get quality flower of tree peony ,it is very important to strengthen the management of tree peony cultivation and to ensure provide the fertilizer and water.2 From the middle ten days of June, with the time elapsing and with the environment conditions worsening, the characteristics of photosynthesis of tree peony decline deeply. But it is different among different tree peony breeds. For example , cv. Wu Long Peng Sheng can also has higher net photosynthetic rate, it indicates that cv. Wu Long Peng Sheng is super than the other two tree peony breeds when adapting the environment conditions and cv. Wu Long Peng Sheng has wide prospect to extend .3 The main factors of effecting the characteristics of photosynthesis are stomatal factor and non-stomatal factor ,that is the ability of photosynthesis of leaf cells. Under the environment of high light intensity in midsummer, if overshadow tree peony properly, then it can slow the declining of chlorophyll content, and increase the net photosynthetic rate and benefit for the accumulating of photosynthetic products.4 The content of soluble sugar in the root of tree peony is the highest among different organs during the period of forming strong buds . According to analyse ,we believe that the soluble sugar will compose starch then, and provide the solid base of material for the growth and development next year. It provide us strong academic basis of adopting the method of cultivating root and protecting root under thefield environment conditions .In other words ,it will help to increase the health level of the whole plant of tree peony and will be beneficial to forming quality tree peony flower if we strengthen the management of root. 5 To tree peony, the endogenesis hormone is important for its growth and development .In the prophase ,that is about the blooming of tree peony and the mid-summer ,IAA and ZR contents are higher and GA content is lower and its changes are very little, and the content of ABA is decreasing . This indicates that IAA and ZR act the important promote function for growth and development of tree peony in this period, and the function of GA is not important. Bur in the period of anniversary senescence of tree peony , the content of IAA and ZR begin to decrease ,while the ABA content has a certain rebound .T

本研究对几个牡丹品种壮芽形成过程中的某些生理生化变化做了研究，以期了解牡丹生长发育过程中生理生化的变化规律，探讨大田栽培条件下提高牡丹花质量的栽培措施和管理技术，为提高牡丹的观赏价值和经济效益提供理论依据，结果如下：1 大田栽培条件下，牡丹光合特性在生长发育过程中表现出极强的规律性，牡丹各品种的光合速率从牡丹开花前，到牡丹花谢后的花芽诱导期前期（6月10日之前），也就是在4、5、6月份，各牡丹品种的净光合速率相对与其他时间都维持在比较高的水平，这说明，在这段时间，是牡丹光合产物积累的重要时期，因此，要保证得到高质量的牡丹花，在这段时间加强对牡丹的栽培管理，保证这个时期的肥水供应十分重要。2 从6月中旬后，随时间的推移，环境条件的恶化，牡丹的光合性能剧烈下降，但是不同牡丹品种间仍有差异，比如，乌龙捧盛仍可维持较高的光合水平，这说明了乌龙捧盛这个牡丹品种对于环境的适应性较之其他牡丹品种高，有着广泛的推广前景。3 影响牡丹光合性能的主要因子是气孔因素和非气孔因素即叶肉细胞的光合能力，在盛夏高温高光强的环境条件下，对牡丹进行适当遮荫，能缓解牡丹叶绿素水平的下降，适当提高Pn，有利于光合产物的积累。4 可溶性糖在牡丹各品种的壮芽形成过程中，根中可溶性糖的含量在牡丹各部位中始终维持最高水平，分析认为这些可溶性糖在根系中进一步合成淀粉等储藏性物质，为来年牡丹的生长提供雄厚的物质基础，这为我们在大田栽培条件下对牡丹采取养根护根的栽培措施提供了有力的理论依据，即在大田栽培条件下，加强对牡丹根系的管理，有助于提高牡丹整株的健壮程度，有益于形成高质量的牡丹花。5内源激素对牡丹的生长发育调节作用是十分明显的，在前期，即开花前后和盛夏，IAA和ZR含量维持在比较高的水平，GA含量低且变化不明显，ABA含量逐渐降低，说明了IAA和ZR对牡丹在这段时间内的生长发育起到重要的促进作用，GA的作用不是很明显，ABA可能在高温高光强下有明显的升高，也说明了ABA的确有一些促进作用，但是到了牡丹周年衰老期，IAA和ZR的含量开始下降，ABA含量却有了一定程度的反弹，说明了IAA和ZR的作用开始降低，ABA起到了促进衰老的作用

F of pigeon optic tectum,the most of which show excitation to exogeous Glu.These data observed in slices provide a strong evidence that Glu may act as a neurotransmitter involving in the activity of the sublayer Ⅱa?

f亚层内存在Glu敏感神经元，外源性的Glu对这些神经元有兴奋作用，Glu可能作为神经递质参与了家鸽顶盖Ⅱa？

It is suggested that there are some Glu sensitive neurons in sublayer Ⅱaf of pigeon optic tectum,the most of which show excitation to exogeous Glu.These data observed in slices provide a strong evidence that Glu may act as a neurotransmitter involving in the activity of the sublayer Ⅱaf neurons in pigeon optic tectum.

以上结果提示，家鸽顶盖Ⅱaf亚层内存在Glu敏感神经元，外源性的Glu对这些神经元有兴奋作用，Glu可能作为神经递质参与了家鸽顶盖Ⅱaf亚层神经元的活动。

That on the first day of January, in the year of our Lord one thousand eight hundred and sixty-three, all persons held as slaves within any State or designated part of a State, the people whereof shall then be in rebellion against the United States, shall be then, thenceforward, and forever free; and the Executive Government of the United States, including the military and naval authority thereof, will recognize and maintain the freedom of such persons, and will do no act or acts to repress such persons, or any of them, in any efforts they may make for their actual freedom.

1863年元月1日起，凡在当地人民尚在反抗合众国的任何一州内，或一州的指明地区之内，为人占有而做奴隶的人们都应在那时及以后永远获得自由；合众国政府行政部门，包括海陆军当局，将承认并保障这些人的自由，当他们或他们之中的任何人为自己的自由而作任何努力时，不作任何压制他们的行为。

Multitasking operating systems come in two flavors: cooperative multitasking and preemptive multitasking. Linux, like all Unix variants and most modern operating systems, provides preemptive multitasking. In preemptive multitasking, the scheduler decides when a process is to cease running and a new process is to resume running. The act of involuntarily suspending a running process is called preemption. The time a process runs before it is preempted is predetermined, and it is called the timeslice of the process. The timeslice, in effect, gives each runnable process a slice of the processor''s time. Managing the timeslice enables the scheduler to make global scheduling decisions for the system. It also prevents any one process from monopolizing the processor. Bs we shall see, this timeslice is dynamically calculated in the Linux process scheduler to provide some interesting benefits.

多使命操作体系可化分为两类：非抢占式多使命以及抢占式多使命所有像Unix的变种体系以及很多现代操作系同同样，Linux提供抢占式的多使命模式在抢占式多使命模式中，调度步伐决议啥子时候进程中止，新的进程能够开始得到运行这个被强制挂起的动作就叫做抢占进程在被抢占前，运行的时间是预知的，这个时间叫做时间片究竟上，时间片是为每一个运行态的进程分配处置惩罚器的时间的一片管理时间片，使能调度步伐为体系做好整个的局面：胸怀～调度决议时间片也能阻止任何一个进程垄断处置惩罚器正如我们看到的，在Linux进程调度步伐中时间片是蜂蜜面膜动态计算出来的，这样带来很多利益

Working conditions of drilling string is complex underground, various factors ofteninteract, in the process of drilling, drilling string acts complex movement in drill fluid, drillfluid unavoidable corrupt drilling string because such as oxygen, hydrogen sulfide and manysalts are dissolved in it. At the same time, many cyclic stresses act on drilling pipe, such asflexural cyclic stress, torsional cyclic stress.

钻柱在井下的工作状态是复杂的，常常是多种因素交织在一起的，在钻井过程中，钻柱在溶解了氧、硫化氢及各种盐类的钻井液中作复杂运动，不可避免的受到它们的腐蚀作用，同时还要受到弯曲、扭转等交变应力作用。

Of a name, nomenclatural act or work: its standing in nomenclature (i.e. its availability or otherwise, and in the case of a name its spelling, the typification of the nominal taxon it denotes, and its precedence relative to other names).

一个名称、命名举动或著作物：在命名法上的地位(亦即其适用性或其他方面，就一名称而言，其拼法所指示的命名分类单元的模式确定，以及相对於其他名称的优先地位)。

Market-oriented economy needs fairness which is emphasized in civil commercial law,the basic law of market economy and is regarded as a abasic rule of responsidility attribution in the infringement of right act,which is an important part of civil commercial law.

市场经济需要公平，而市场经济的基本法律民商法中也必然强调公平，民商法的一个重要组成部分侵权行为法，把公平奉为一个基本的归责原则，然而围绕着它是不是一个应该存在的规则原则，是否真正体现了一种公平的观念，它的适用范围如何一直有诸多争议。

The opening-up vision angle of this paper is to embark on the track of mentality and life of LiZhi at first, then pose the treacherous character of LiZhi"s, which is the intrinsic gene ,the traditions of be in business ,all sorts of belief in the group of LiZhi"s and was born in the OuanZhou -which is border on the sea, the above cause make LiZhi have the habit of not being bind up by the orthodox of the Confucianism. In his anchorless experience, we play emphasise on the four city桻uanZhou, Beijing, NangJing and HuangAn of the HuBei province, which have an important effect upon LiZhi"s life, then thread the place (homeplace and the place where he act as an offical) the character JiaoHong and the brothers of the Gen ,the incident(the dispute between of GenDingXiang and LiZhi together, by which we can lay out the full life of LiZhi and the process of his heresy idealistic ,we can draw a conclusion that LiZhi"s suicide is a deep consideration, that the pertinacious will of the pursuit for the truth and the fearless of the fighting spirit are the history achievements of LiZhis life .

全文论述的展开视角是先从李贽的心理轨迹和人生轨迹着手，揭示出李贽叛逆性格的内在因子、经商家世的传统和家族信仰多样化的优势以及地处泉州这个开放地域的大环境影响使他过早地就栽下了不为正统儒学束缚的根基：在他的一生漂泊经历中，又重点截取泉州、北京、南京及湖北黄安四个对李贽一生有重大影响的地理位置，通过综合地点、人物、事件的铺叙，立体面地展示李贽的活动内容及其&异端&思想成型扩张轨迹；李贽的最后自刎是其经过理智选择后所做出的最佳告别人世方式，其追求真理的顽强意志和大无畏的战斗精神即是他的人生价值之所在。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。