作用中心

It is believed that the high defect-density region produced by the score provides the SiO2 layer with new luminescence centers and getters some impurities in it,as results in the change in EL and PL spectra.

认为刻划造成的高密度缺陷区为氧化硅提供了新的发光中心并对其中某些杂质起了吸除作用，导致PL和EL光谱改变。

The static and dynamic characteristics of the beam of a gantry-type machining center are analyzed by means of ADAMS and ANSYS. Considering effect of gravity and cutting forces, the static deformation of the beam is obtained after calculating the interacting forces between the guide and the slide block by ADAMS. Moreover, the contact parameters of the guide surface are acquired by dynamic tests and parameter identification, then they are applied to the simulation model of the beam-slide box system, whose natural frequencies and modal shapes are achieved by modal analysis. Furthermore, the effect of changes of the contact parameters on the dynamic behavior of the beam-slide box system is also investigated.

对一种国产龙门式加工中心的横梁关键部件，采用机械系统多刚体动力学仿真软件ADAMS和有限元分析软件ANSYS进行了静动态特性分析；在考虑重力和切削力作用下，由ADAMS计算出导轨与滑块间的作用力，从而计算出横梁部件的静态变形；通过动态测试和参数辨识方法获得导轨结合面特性参数并将其应用到横梁滑箱系统整体有限元模型中，经过模态分析得到系统固有频率和各阶振型图，并进一步分析了结合面参数变化对横梁滑箱系统整体动态特性的影响。

The process of absorbing pulse laser energy for nanometallic aluminum particles embedded in nitrocellulose thin film and the heat propagation process of hot spot accompanying exothermic chemical reaction are simulated numerically based on thermal decomposition mechanism.

杨延强 哈尔滨工业大学物理系凝聚态科学与技术研究中心，哈尔滨 150001对纳米金属颗粒复合含能材料这一新兴体系的单脉冲激光作用的热动力学过程进行了理论分析。推导了分散在介质中的纳米金属颗粒吸收脉冲激光能量的瞬时功率密度。

Joint distribution system is the Nerve network of the chain enterprise. As the basic operation establishment, distribution center that is the nerve hinge of joint distribution plays an important role in joint distribution.

共同配送体系是连锁经营的&神经脉络&，配送中心作为共同配送运作基础设施，构成共同配送活动的神经枢纽，对实施共同配送发挥着重要的作用。

"Compared to the current critical situation in the world economy, the central bank of the seven joint efforts of the rate cut is still far from enough," the China Economic Research Center of Beijing University Professor Song Guoqing said that "the world economy was also the worst of times Did not come down to continue to take economic trends, the world's joint central bank to cut interest rates also very limited role."

&相比，当前世界经济中的重要情况，对7名共同努力降息央行还远远不够，&对中国经济研究中心，北京大学教授宋国青表示，&世界经济也是最坏的时代没有来了，继续采取经济趋势，世界央行联合降息的作用也很有限。&

According to measurement, in summer the temperature in the park is 7 to 8 degrees of centigrade lower than that in surrounding areas; in winter, the temperature gains 4 to 5 degrees of centigrade and the humidity has an increase of 10% to 20%. Such a green corridor can produce 6,000 kilolitres oxygen and absorb 8,000 kilolitres carbon dioxide everyday. It play an immeasurable role in improving the environment of the heart of capital by preventing dust, reducing noise, killing bacteria.

据测算，公园夏天的温度将比周边低7至8摄氏度，冬季温度则增加4至5摄氏度，平均湿度会增加10—20%，这条绿色长廊每天可制造氧气6000公升，吸收二氧化碳8000公升，并具有防尘、减噪、杀菌诸多功能，对改善首都中心地带的生态环境起到不可估量的作用。

Thus the working mechanism of the rigid foundation has been demonstrated. The back pressure varies much at initial stage, which largens in corner point area and lessens in center area.

刚性基础在荷载作用下，计算区域基底反力在加荷初期变化比较大，角点区域反力变大，中心区域反力变小，随着时间的增长，反力逐渐趋于稳定。

health education is a low-consumption, high-efficiency and effective mode of nursing education, health education as a care measures to improve the quality of life of patients with asthma, in our work plays a decisive role, through the health education, and more close with the requirements of patients ,enhanced "people-centred" care concept.

健康教育是低消费、高效益的有效的护理教育模式，健康教育作为提高哮喘患者生活质量的一项护理措施，在我们的工作中起着举足轻重的作用，通过对患者的健康教育，更加贴近患者的要求，增强了&以人为中心&的整体护理理念。

Play is the way to enforce motivation、transform emotion and promote creativity. Since play is a dynamic active and constructive behavior and a pleasurable activity that is engaged in for its own sake. It becomes an important metaphor and means of Derrida's deconstruction. For pedagogy, deconstructive play is ludic、funny and awe-some. It plays in the forms of opening reading、creative dialogue and equal status. Such ludic pedagogy takes profound insights on traditional doctrine.

游戏是引发动机、调节情感、促进认知及提升创造力的一种自由运作方式与态度，由於游戏代表的是动态、主动和建构经验的行为，也是自行参与的愉快活动，在Derrida 解构思想当中乃作为一种去中心化的譬喻与手段，藉以松动僵化的系统结构，对教学而言，这种解构的游戏是嬉戏、有趣且惊奇的，其方式表现在开放的阅读、创造性的对话，平等而无对立的师生关系上，对於传统以来重视规训的教学模式深具反省与启发的作用。

Its voluminous surviving temple archive of the Neo-Babylonian period documents the social function of the temple as a redistribution center.

残存在庙宇的大量新巴比伦时期存档文件，表现庙宇作为一个社会资源再分配的中心，而发挥着社会的作用。

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。