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But when the cholesterol was substituted by its oxide result, the membrane life time extended to nearly 60 hrs ;besides the diameter of the hole on which the membrane exists 、temperature、PH value cause great effects to the life time of the membrane, and the diameter was the most important element. When the diameter larger than 3mm it is almost no way to form a membrane on the hole under experiment condition. Between 1mm and 3mm it has a better result by change the prescription of the membrane. when it is 0.5mm all the membrane can last more than 40 hrs ,and the prescription like Och : phosphatidylcholine / cephalin＝4:1; 3:1; 2:1; 1:1; 2:3 need the request of the experiment basically, when cooperate with multi hole structure it is very to detect the concentration and found the model.

研究结果说明，成膜在普通胆固醇/磷脂配方下不能达到满意的结果，无论如何改变外界条件成膜始终超不过7小时，而将胆固醇换成氧化胆固醇再和磷脂按照一定配比的时候，成膜时间则大大延长，可达60h左右；另外除成膜配方，成膜孔径、温度、PH值等因素对成膜有着很重要的影响，成膜孔径对膜的影响最为关键，在3mm以上的孔径时成膜比较困难，在1－3mm适当提高成膜液浓度可以改善，孔径为0.5mm左右成膜比较稳定基本都能达到40h以上，合适的几个配方如卵/脑磷脂：氧化胆固醇＝4：1；3：1；2：1；1：1；2：3基本满足实验要求，配合一板多孔结构，可以保证单位时间的离子传输量的检测和计算。

When I have fears that I may cease to be When I have fears that I may cease to be Before my pen has glean';d my teeming brain, Before high-piled books, in charactery, Hold like rich garners the full ripen';d grain; When I behold, upon the night';s starr';d face, Huge cloudy symbols of a high romance, And think that I may never live to trace Their shadows, with the magic hand of chance; And when I feel, fair creature of an hour, That I shall never look upon thee more, Never have relish in the faery power Of unreflecting love;--then on the shore Of the wide world I stand alone, and think Till love and fame to nothingness do sink.

每当我害怕每当我害怕，生命也许等不及我的笔搜集完我蓬勃的思潮，等不及高高一堆书，在文字里，象丰富的谷仓，把熟谷子收好；每当我在繁星的夜幕上看见传奇故事的巨大的云雾征象，而且想，我或许活不到那一天，以偶然的神笔描出它的幻相；每当我感觉，呵，瞬息的美人！我也许永远都不会再看到你，不会再陶醉于无忧的爱情和它的魅力！－－于是，在这广大的世界的岸沿，我独自站定、沉思，直到爱情、声名，都没入虚无里。

When I Have Fears That I May Cease to Be》 When I have fears that I may cease to be Before my pen has gleaned my teeming brain, Before high-piled books, in charactery, Hold like rich garners the full-ripened grain; When I behold, upon the night's starred face, Huge cloudy symbols of a high romance, And think that I may never live to trace Their shadows, with the magic hand of chance; And when I feel, fair creature of an hour, That I shall never look upon thee more, Never have relish in the fairy power Of unreflecting love --- then on the shore Of the wide world I stand alone, and think Till love and fame to nothingness do sink.

生命稍纵即逝》我害怕自己可能逝去在我的笔道尽我脑中泉涌的文思之前，在高叠的书本，写成文句，如盈盈谷仓堆着完熟谷粒之前；我凝望，夜缀满繁星的面貌，浪漫传奇繁多迷蒙的象征，想着我或许再不能探究它们的幻影，凭借机会的神来之手；当我感受，美丽生命的短促，我将不再注目，再无法享受超然的力量那无忧的爱──于辽阔

But would also like to see Queen Mother had to think of their way, on a charge-off tree branches when his mother helped take the walking stick, when suddenly a group of fairies Youshuoyouxiao, when they saw the mother and son when LI Yue Hou said,"You too timid , To know here is what?"A reprimand.

但是想到还要见王母娘娘还得赶路，就撇了一个树枝当拐杖搀着母亲走，这时忽然来了一群仙女有说有笑，当她们看见李岳母子的时侯说"你们胆子太大了，知道这里是什么地方吗？"

If R satisfies =0 for any elements x ,y in R then ⑴when k =1, R is commutative;⑵when R has the unity, R is commutative;⑶when R has at least one right regular element and f 2 (t 1,t2) has no terms with degree1 such that Fn= F then R iscommutative when R has at least one right regular element. Here we would like to point out that the above results generalized the results of Fu changlin ,moreover generalized some results of other references . This results enriched the commutative conditions of any ring.

若任取R 中元x， y均有=0 那么⑴k =1时R 为交换环；⑵R 有单位元时R 为交换环；⑶f_2 (t_1，t_2)中t_2的次数不小于k -1且R 中至少有一个右正则元时R 为交换环。

This paper gives a simple idea about the problems existing in students' writing: 1 psychological blockage, such as anxiety, lack of interest so on and so forth. 2 Chinglish frequently appears in Chinese students' composition. That is to say Chinese students often use Chinese way of thinking to writing English composition. 3 When Chinese students write, they usually commit intralingual error. Intralingual error is the mistake that students often make when they choosing words, making sentences. It also includes grammar mistake. 4 Chinese students often don't know how to organize the ideas when they face the composition topic. As a result, the compositions written by most of Chinese students don't have clear topic sentence. 5 Chinese students' compositions are usually very boring and dull. Based on the problems that exit in Chinese students' composition, this paper put forward five teaching strategies: 1 English teachers should foster positive emotion when they teach writing.

本课题简单阐述了中学生英语写作中普遍存在的5个问题：1、对英语写作存在心理障碍，比如畏惧心理等；2、中学生英语作文存在大量"中国式英语"，即学生经常借用汉语思维进行英语写作，使得文中出现不符合英文习惯的句子和表达；3、中学生在进行英语写作时经常犯言内错误，言内错误指学生在用词，造句及句法等方面经常容易犯的错误；4、中学生在面临所给的作文题目时不知道如何审题，写出来的作文中心思想不明确；5、中学生英语作文普遍存在内容单调贫乏的问题。

In common glass fiber reinforced polyolefine pipe, when the volume faraction is less than the critical value, the glass fiber can not act as reinforcement, on the contray, it would reduce the whole intensity of the compound material. However, when extruded in combined stress field, the extend intensity of the compound system increases when the volume fraction of glass fibers is less than the critical value. When the glass fiber volume fraction is higher than the critical value, the required glass fiber volume fraction of compound fibers extruded in the combined stress field is less than theory value.

一般玻璃纤维增强管材在常规挤出时当添加的玻璃纤维体积含量小于临界体积分数(当添加的玻纤的复合体系拉伸强度等于基体聚合物材料的拉伸强度时的玻纤体积分数)时，玻纤起不到增强的作用，反而会使复合材料的整体强度降低；但在复合应力场下挤出时，当添加的玻纤含量小于临界体积分数时，复合体系的拉伸强度不但没有降低反而升高了；当添加的玻纤含量大于临界体积分数时，复合体系要达到同样强度，经过复合应力场的玻纤增强管材需要的体积分数小于理论值。

The results show that when the porosity of sample was higher, compressure rate was higher and resilience rate was lower, however resilient rate of sample with higher porosity were increased notably when pressure was increased, and it tended to accord with of sample with lower porosity. The friction coefficient was higher when porosity of paper-based friction material was higher, and the friction coefficient tended to reduce and stabilize when braking pressure was increased. The friction coefficient of sample with high porosity tended to reduce and stabilize in continuous braking cycles.

结果表明：在相同载荷下，随着孔隙率增大，材料的压缩率增加而回弹率降低，随着载荷增加，高孔隙率材料的回弹率先明显增大，而后趋于稳定；在相同比压和转速下，孔隙率越高，材料的摩擦系数越大，随着比压增加，孔隙率高的材料摩擦系数逐渐降低，且不同孔隙率材料的摩擦系数逐渐趋于一致；在连续循环制动时，高孔隙率材料的摩擦系数逐渐降低并趋于稳定。

Ladies up Up in here tonight No fighting, no fighting We got the refugees up in here No fighting, no fighting Shakira, Shakira I never really knew that she could dance like this She makes a man wants to speak Spanish Como se llama, bonita, mi casa, su casa Shakira, Shakira Oh baby when you talk like that You make a woman go mad So be wise and keep on Reading the signs of my body And I'm on tonight You know my hips don't lie And I'm starting to feel it's right All the attraction, the tension Don't you see baby, this is perfection Hey Girl, I can see your body moving And it's driving me crazy And I didn't have the slightest idea Until I saw you dancing And when you walk up on the dance floor Nobody cannot ignore the way you move your body, girl And everything so unexpected - the way you right and left it So you can keep on taking it I never really knew that she could dance like this She makes a man want to speak Spanish Como se llama, bonita, mi casa, su casa Shakira, Shakira Oh baby when you talk like that You make a woman go mad So be wise and keep on Reading the signs of my body And I'm on tonight You know my hips don't lie And I am starting to feel you boy Come on lets go, real slow Don't you see baby asi es perfecto Oh I know I am on tonight my hips don't lie And I am starting to feel it's right All the attraction, the tension Don't you see baby, this is perfection Shakira, Shakira Oh boy, I can see your body moving Half animal, half man I don't, don't really know what I'm doing But you seem to have a plan My will and self restraint Have come to fail now, fail now See, I am doing what I can, but I can't so you know That's a bit too hard to explain Baila en la calle de noche Baila en la calle de día Baila en la calle de noche Baila en la calle de día I never really knew that she could dance like this She makes a man want to speak Spanish Como se llama, bonita, mi casa, su casa Shakira, Shakira Oh baby when you talk like that You know you got me hypnotized So be wise and keep on Reading the signs of my body Senorita, feel the conga, let me see you move like you come from Colombia Mira en Barranquilla se baila así, say it!

不会说谎女士们今夜在这里舞动起来没有是非没有争斗我们在这里舞动起来没有是非没有争斗我从未意识她能如此欢快的跳舞人们纷纷说起西班牙语你的名字是？美丽的我的家他的家哦宝贝当你这样说话的时候人们为你如此着迷所以用你的智慧继续细读我的舞蹈于是今夜我欢快的跳舞你知道我的舞蹈不会说谎于是我开始感觉到这一刻所有的吸引所有的不安你看见了吗这便是完美嗨女孩我能看见你舞动的身影于是我着迷于是我迷失直到看见你在跳舞当你舞动的脚步划过地面所有人都为你而注目女孩让人意想不到-忽左而忽右所以请继续跳吧我从未意识她能如此欢快的跳舞人们纷纷说起西班牙语你的名字是？美丽的我的家他的家哦宝贝当你这样说话的时候人们为你如此着迷所以用你的智慧继续细读我的舞蹈于是今夜我欢快的跳舞你知道我的舞蹈不会说谎于是我开始感觉到你的存在来吧让我们一起慢慢的舞动你看见了吗这便是完美哦我知道今夜我正欢快的跳舞我的舞蹈不会说谎于是我开始感觉到这一刻所有的吸引所有的不安你看见了吗这便是完美哦男孩我能看见你舞动的身影如梦如幻我不确定自己在做什么但是你却不同我的意志我的约束现在开始失去开始失去看我正做我能做的但却无法做到你知道这似乎太难解释他在夜晚的街道上跳舞他在白天的街道上跳舞他在夜晚的街道上跳舞他在白天的街道上跳舞我从未意识她能如此欢快的跳舞人们纷纷说起西班牙语你的名字是？

We are , and must be , one and all, burdened with faults in this world, but the time will soon come when ,I trust we shall put them off in putting off our corruptible bodies; when debasement and sin will fall from us with this cumbrous frame of flesh , and only the spark of the spirit will remain ,--the impalpable principle of light and thought , pure as when it left the Creator to inspire the creature :when it came it will return ;perhaps again to be communicated to some being higher than man-perhaps to pass through gradations of glory ,from the pale human soul to brighten to the seraph !

人活在世上，任何人都会有许多罪过，而且肯定会这样，不过我相信，不久就会有这么一天，我们在摆脱了腐朽的躯壳时，同样会摆脱这些罪过。到那个时候，堕落和罪过将会连同累赘的血肉之躯一起离开我们，只剩下精神的火花---无影无形的生命和思想之源，就象刚开始离开上帝来赋予世界万物灵魂的时候一样纯洁，它从什么地方来，还会返回到什么地方去，或许又会和某种比人来还要高级的东西息息相通---或许会通过各个光荣的阶段，从照耀人类苍白的灵魂，到照耀最高级的天使。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。