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The structures and stabilities of the ground-states for Cu13-nAgn clusters have been studied by Gupta model potential based on tight binding second moment approximation in combination with a genetic algorithm. It is found that the lowest energy structures of the pure clusters (n=0,13) are perfect icosahedron, and the structures for the bimetallic clusters (n=1～10) have stable structure which are slightly deformed with respect to the perfect icosahedron, The Cu atom prefers to occupy the center of the clusters with higher coordination numbers.

在混合团簇基态结构优化的遗传算法方案中增加了交换算子，结合Gupta紧束缚模型势研究了Cu13-nAgn团簇的最低能量结构，选择合适的交换和杂交概率，可有效地提高优化效率，优化结果表明，Cu13和Ag13是全对称的二十面体，n=1～10的混合团簇能形成稳定结构，其构型是在二十面体基础上发生畸变，Cu原子趋于处在团簇中心，随着Ag原子数目的增加，原子间的平均距离单调增加，团簇的结合能单调减小，Cu2Ag12和CuAg12只存在亚稳结构。

Modified smallpox is assumed to have the same incubation period as ordinary smallpox, but to have a milder course of disease. The infectiousness of people with modified smallpox would be 33% of that for people with ordinary smallpox, with a case fatality rate of 10%. However, it would be harder to recognize modified smallpox and cases would be slower to withdraw to the home or go to the hospital than for ordinary smallpox. Before smallpox is recognized in the hospital (i.e., the first period), 75% of cases would be recognized on the fourth day of rash and the remaining 25% on the seventh day of rash.

Modified Smallpox一般是指比较近代的病例，同样的潜伏期，但疾病表现比较轻微，所以传染力也比较低，大概是典型天花的1/3左右，死亡率大概是10%，一般也比较不容易诊断，病例会比典型天花较晚才待在家里或到医院求诊，在病例发生发烧之后第四天产生小丘疹，到了发生疹子后的第四天，大概有75%的病例会被诊断，剩下的25%病例会在发生丘疹后的第七天被诊断。

In the spiral pipe heat exchanger exports terminal, the ammonia steam temperature has been heated up 85 ℃--95 ℃, by now, the ammonia steam had the 45kg-55kg/cm2 ammonia steam pressure, sent in the ammonia steam turbine through the constant temperature pipeline, impelled ammonia steam turbine revolving, led the generator electricity generation;After the ammonia steam makes the merit release energy, the temperature drop, the returns ammonia storage tank, passes through again adjusts the press pump to press into the spiral pipe-type heat exchangers to carry on the next circulation;Including the ammonia steam turbine entire ammonia steam road is becomes the independent closed cycle system, is isolates completely with the outside air;The ammonia steam only plays the carryhome and the shift energy role, in the electricity generation process does not consume the actuating medium, the stored energy carrier water also is only gets up the carryhome and the shift energy function,The waterway also is from becomes the independent closed cycle system, in the electricity generation process also the needless water consumption, through the actuating medium ammonia steam and the stored energy carrier water unceasing shuttle service, transforms through the heat interchanger the solar energy as the actuating medium ammonia steam heat energy and the kinetic energy,With the aid of the ammonia steam turbine heat - machine transformation function and the generator machine - electricity transformation function, has realized the solar energy hot - electricity entire conversion process, transforms continuously the solar energy into the electrical energy, power supply for foreign;The low temperature generating system must solve three big technical keys:One, the anticorrosion (has actuating medium has strong corrosiveness), two is Explosion-proof (Some actuating medium Can have the detonation with the air mix when divulging, controls warm malfunction, elevates temperature suddenly also can have detonation), three is guards against the revolution axis divulging

以太阳能低温发电系统为例，低温发电方法是这样进行的：以水作为储能载体的太阳能采集器将太阳能采集起来，将水温提升至85℃--98℃；用氨作为工作介质储于氨储罐及氨汽路中；采用螺旋管型热交换器；用调压泵将氨储罐中的氨汽压入螺旋管型热交换器的螺旋管内，用调压泵将携带太阳能的85℃--98℃的储能载体热水压入螺旋管型热交换器的螺旋管外壁空间进行循环式热交换，在热交换器的螺旋管出口端，氨汽温度已被加热到85℃--95℃，这时，氨汽具有45kg—55kg/cm2的氨汽压力，通过恒温管道送入氨汽轮机，推动氨汽轮机旋转，带动发电机发电；氨汽作功释放能量后，温度下降，返回氨储罐，再经调压泵压入螺旋管型热交换器进行下一次循环；包括氨汽轮机在内的整个氨汽汽路是自成独立的封闭循环系统，与外界空气是完全隔绝的；氨汽只起携带和转移能量的作用，发电过程中并不消耗工作介质，储能载体水也是只起携带和转移能量的作用，水路也是自成独立的封闭循环系统，发电过程中也不消耗水，通过工作介质氨汽和储能载体水的不断循环运行，通过热交换器将太阳能转化为工作介质氨汽的热能和动能，借助氨汽轮机的热—机转化功能和发电机的机—电转化功能，实现了太阳能的整个热—电转化过程，将太阳能源源不断地转变为电能，对外供电；低温发电系统要解决的三大技术关键：一是防腐（有的工作介质具有较强的腐蚀性）、二是防爆（有的介质泄漏与空气混合会产生爆炸，控温失灵，急剧升温也会产生爆炸）、三是防轴漏（汽轮机是动态旋转体，必须解决工作介质的防轴漏问题）。

The LCD display character is acquisited by CCD,after analysis with image process and artificial neural network theory,through grid and intersecting lines to pick up the character′s characteristic,recognize LCD display character,provide with a kind of interface for the instruments and equipments which have no standard interface with the computer but have a LCD display.

摘 要：利用CCD对LCD数码显示字符进行采集，在分析图像处理和神经网络理论的基础上，采用网格法与交线特征提取法，对LCD数显字符进行识别，为具有LCD数显而与计算机无标准通信接口的仪器仪表设备提供一种实用的无线接口。

They, instantly detecting the intruder, stripped him of his borrowed plumes, and falling upon him with their beaks sent him about his business .The unlucky jackdaw, sorely punished and deeply sorrowing, betook himself to his former companions, and would have flocked with them again as if nothing had happened .But they, recollecting what airs he had given himself, drummed him out of their society, while one of those whom he had so lately despised, read him this lecture :"Had you been contented with what nature made you, you would have escaped the chastisement of you r betters and also the contempt of you r equals ."

他们立刻发觉了这个闯进来的家伙，拔掉了他身上捡来的羽毛，并且用嘴啄他，把他赶了出去，不幸的八哥受到了严重的惩罚，感到非常难过，于是又去投奔自己的老伙伴，满想若无其事地又和他们混在一起，但是他们想起了过去他那副骄傲自大的神气就把他从队伍中轰了出来，不久以前曾受过他轻视的一个伙伴教训他说："如果你过去满足于你自己的天生模样，你就不会受到比你美的人的惩罚，也不会受到跟你相同的人的鄙视了。"

Fund Project: the National Natural Science and Technology Source Program, No. 2001DEA1006*Abstract: Number of neural stem cells is small. NSCs look like circle or ellipse with or without short neurite, with large nuclear-cytoplasmic ratio and deep karyotin. NSCs have no visible differences with other kinds of cells in appearance, and have no cell surface marker. Currently, there are mainly three aspects to identify NSCs: expression of specific nerve antigen, including nestin, Musashi, transcription factor, and cell adhesion molecules; self-renewal ability including single cell clone analysis, BrdU mark and S phase cell; the potential of multi-direction differentiation including immunocytochemical process and reverse transcriptase polymerase chain reaction.

由于神经干细胞的数量很少，从细胞形态来看神经干细胞为圆形或椭圆形，无或有较短的突起，核质比大，核染色较深，形态上与其它种类的细胞没有明显的差异，并且未找到一种细胞表面特异性标志物，因此目前鉴定神经干细胞主要有以下3个方面：特异性神经抗原的表达，包括巢蛋白、Musashi、转录因子及细胞黏附分子；自我更新能力，包括单细胞克隆分析、BrdU标记S期细胞；多向分化潜能，包括免疫细胞化学法、聚合酶链反应色法。

Number of neural stem cells is small. NSCs look like circle or ellipse with or without short neurite, with large nuclear-cytoplasmic ratio and deep karyotin. NSCs have no visible differences with other kinds of cells in appearance, and have cell surface marker. Currently, there are mainly three aspects to identify NSCs: expression of specific nerve antigen, including nestin, Musashi, transcription factor, and cell adhesion molecules; self-renewal ability including single cell clone analysis, BrdU mark and S phase cell; the potential of multi-direction differentiation including immunocytochemical process and reverse transcriptase polymerase chain reaction.

由于神经干细胞的数量很少，从细胞形态来看神经干细胞为圆形或椭圆形，无或有较短的突起，核质比大，核染色较深，形态上与其它种类的细胞没有明显的差异，并且未找到一种细胞表面特异性标志物，因此目前鉴定神经干细胞主要有以下3个方面：特异性神经抗原的表达，包括巢蛋白、Musashi、转录因子及细胞黏附分子；自我更新能力，包括单细胞克隆分析、BrdU标记S期细胞；多向分化潜能，包括免疫细胞化学法、聚合酶链反应色法。

WUXI LUDE TECHNOLOGCIAL CO.,LTD., invested by PUN TEH INDUSTRIAL CO.,LTD in 2003, with 28 years of gestation. We have 45000 square meters , first-class modern production and 28 years of accumulated experience in hydraulic coupling ,pneumatic coupling, water coupling and other applications, which create and well versed in all variety of world types ,like European standard, American standard and Asia standard. Also welcome the development and creation of different coupling types. Now our technique have run neck and neck with world industrial advanced countries, building long term OEM cooperation with world brands and having high reputation all over the world.

1980年成立的台湾鹏德工业股份有限公司经过28年的孕育，于2003年投资兴建无锡陆德科技有限公司；占地40000㎡，一流现代化生产，累积28年对油压、空压、水用及各种快速接头经验，创造全世界各式各样的快速接头型式规格：欧洲规格、美洲规格、亚洲规格样样精通；并可以接受各型各样的快速接头的开发与制造，与世界工业化先进国家，先进品牌并驾齐驱，并与世界品牌长期建立OEM的合作关系，享誉国际。

In addition, I have my own review of a program, do not know if you have any help or reference: It is now again the first serious and systematic review of basic knowledge in it, but do not rigidly adhere to certain issues, those who must pay attention to the most basic must be combined with study section of the outline; Secondly, the manner in accordance with the topic of a further round of review, such as political history, economic history, cultural history, as well as relatively small number of knowledge points card, for example, the Chinese imperial examination system, wave of Chinese immigrants, China's land system, and with the right of monarchial power, etc.

另外，我有自己的一套复习方案，不知道对你有没有帮助或者借鉴：现在首先再认真的，系统的将基础知识在复习一遍，但是不要拘泥于某些问题，一定要关注那些最基础的，一定要结合考研大纲；其次，按照专题的方式进行再一轮的复习，比如说政治史，经济史，文化史，还有就是比较细小的一些知识点的梳理，比如说中国科举制度，中国移民浪潮，中国土地制度，君权与相权等等。

On monday.I have muesli,On tuesday, I have cornflakes,On wednesday, I have toast with jam.On tursday, I have rolls,On friday,I have brown bread,On saturday and sunday, I have a lot of pancakes

歌词大意：星期一，我的早餐是牛奶什锦早餐，星期二，我的早餐是玉米片，星期三，我的早餐是果酱加烤面包，星期四，我的早餐是面包卷，星期五，我的早餐是黑面包，星期六和星期日，我吃了很多的薄煎饼。

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。