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First we prove that all points on the imaginary axis except for zero belong to the resolvent set of the operator corresponding to the model, second prove that 0 is an eigenvalue of the operator and its adjoint operator with geometric multiplicity and algebraic multiplicity one,last by using theabove results we obtain that the time-dependent solution of the model str.

首先证明在虚轴上除了0以外其他所有点都属于该算子的豫解集,其次证明0是对应于该系统的主算子及其共轭算子的几何与代数重数为1的特征值,由此推出该系统的时间依赖解当时刻趋向于无穷时强收敛于系统的稳态解。

It's warning and outcry for mediocrity of human society by the superiority.Under the surrounding, The library can put a good equitant development into execution dependent upon whether the leader have a "sage jewel" of scientific decision making to understand and exert it's great signification poignantly.He delve library science and acquaint with professional skill, we can get a lot of practical experience from ancientness and today,Chinese and foreign. At the present time,run back over historical development of libary's management, getting a realization on property of common service and roles definitely.

在这样的大环境下,任何一个公共图书馆能否实现跨越式良好发展,这就要看领导者是否能以科学决策理念为"法宝",深刻理解科学决策的重大意义并能在理论和实践创新中很好地掌握和运用决策理念的主要内容;是否能在图书馆学科理论研究的工作实践中,以图书馆学科体系为科学决策的理论基础,深入了解和研究图书馆学的形成和发展史、学科体系及分支学科、研究方法及其前景展望等,从而为科学决策在本专业学科领域的研究创新打下坚实的理论基础;是否能通过纵横分析人类文明历史进程中公共图书馆的基本职能及其演变过程,更加明确其职能的公益性质,从而树立起以最大可能实现公共图书馆的职能为成功决策的实践标准。

These results indicate that the level of homosynaptic LTD induced by LFS is dependent not only on the numbers of pulses of LFS delivered,but also on the selection of evaluating index.

结果表明,由LFS诱发同突触LTD的水平不仅与LFS的脉冲数有关,还与评价指标的选择有关。

In ocean wave simulation,a view-dependent ocean wave mesh model is given by experiment analysis for two common mesh models,which are based on random sample points and based on fixed sample points.

在海浪模拟中,通过对两种常用网格化模型(基于随机采样点的网格化和基于固定采样点的网格化)的实验分析,给出了一种视点相关的海浪网格模型。

Chapter 1 we introduce the risk process with positive and negative risk sums,show the background of the risk process. Chapter 2 we show the integral and differential equation of birth probability,give the Lundberg inequation that the ruin probability satisfies with martingale approach,then discuss then ruin probability of the risk process with two dependent positive and negative risk sums,study how the dependence impacts on the ruin probability. Chapter 3 we compare the concrete examples by numbers,and makes further comparison between the two results coming out of independency and dependency,with the purpose of narrating their respective impacts on the probability of ruin probability.

本文第一章引入含正、负风险和的风险模型,介绍风险过程的实际背景;第二章给出生存概率Φ所满足的积分-微分方程,利用典型鞅方法给出破产概率Ψ满足的Lundberg不等式,并且讨论两个相关正、负风险和模型的破产概率,研究相关性对破产概率的影响;第三章对具体实例给出数值比较,进一步把相关性和独立性两种情形的结果进行比较,说明对破产概率的影响。

METHODS: The rabbit hindlimb normothermic tourniquet ischemia model was employed. The tendon on the dorsum of the foot was exposed for observation of microvessels. The responses of arterioles on tendon surface to topical application of 10(-6) mol/L noradrenaline, 10(-6) mol/l acetylcholine (an endothelium-dependent vasodilator) and 10(-4) mol/L nitroglycerin (an endothelium-independent vasodilator) were observed at the period of ischemia and following 30 minutes of reperfusion after 2 hours and 5 hours of ischemia by use of intravital microscopy.

应用兔后肢止血带常温缺血模型及足背肌腱表面微循环观察法,观察肢体缺血 2小时及 5小时再灌注后微动脉对局部滴注血管收缩剂 [去甲肾上腺素(10 - 6 mol/ L ) ]、内皮依赖性血管舒张剂 [乙酰胆碱(10 - 6 mol/ L ) ]及内皮非依赖性血管舒张剂 [硝酸甘油(10 - 4 mol/ L) ]的反应性变化。

The R effect on time-dependent phototropism was further studied by characterizing its fluence-response relationship. The results showed the R effect was a low-fluence-response, unlike those on pulse-induced phototropisms that show a very-low-fluence-response mode.

本研究进一步分析了红光对蓝光照射时间依赖型向光性影响的光量反应曲线,发现该反应不像红光对脉冲蓝光诱导的向光性的影响那样属于超低光量反应,而是一种低光量反应,且之后的脉冲远红光可以逆转红光对TDP影响的效果。

Most conventional methods for the extraction of substrate network were based on the use of frequency behavior of Y22 + Y21. However, we found that the feedback signal through the internal circuit elements makes the conductance of the substrate network underestimated while makes the susceptance of the substrate network overestimated. If conventional methods are directly performed on large area SiGe HBTs, a negative effective substrate resistance will be extracted. In the first part of the thesis, a new extraction method for the substrate network parameters of SiGe HBTs is proposed. When extracting the substrate network parameters, the feedback signal through internal circuit elements is considered. All the circuit elements of substrate network are extracted from Ysub instead of Y22 + Y21. The extracted substrate network parameters show a different bias dependence as compared to the conventional methods. By using a simple n+-p junction, we successfully explained the extracted bias dependent substrate network parameters. We developed a series linear regression equation to extracted the intrinsic circuit elements from the ABCD parameters. Compared with the conventional methods which extracted the circuit elements from Y-parameters or Z-parameters, the proposed method is much simple and easy to implement in the computer programs.

传统方法在萃取基板网路参数时,常常由所量得的Y22 + Y21来著手,但我们的研究发现,利用Y22 + Y21的频率关系来萃取基板参数时,基板网路的电导会被低估而基板网路的电纳则会被高估,另外传统基板网路参数萃取方法在萃取大尺寸元件基板网路参数时会得到负值基板等效电阻,以上的非理想效应皆因忽略部份信号会经由本质参数对基板网路做回授的影响,因此本论文中提出一个新的基板网路参数萃取方法,在萃取基板网路参数时考虑了由本质参数所回授的信号,并且由Ysub而非Y22 + Y21萃取基板等效电阻、基板等效电容及基板与集极空乏电容,成功的解决上述的一些非理想效应,所得到的基板网路参数与集极偏压的关系与传统方法所得的趋势相异,经由一个简单的模型成功的解释了所萃取得到的基板网路参数与偏压的关系,在萃取本质参数时,我们舍弃传统萃取方法中常用的Y参数或Z参数萃取方程式,而改用ABCD参数,并提出一系列的线性回归方程式,萃取所有的本质参数,与传统方法比较起来,比较简单而且容易建立在使用者的参数萃取软体中。

The removal of arsenic from solution has relied mostly on precipitation and adsorption processes and it has been considered that arsenic is the oxidation state that leads to the most effective removal by precipitation since the simple metal arsenates generally have lower solubility than the arsenites, and also arsenate is more strongly adsorbed on certain substrates, but this is pH dependent.

从溶液中去除砷主要依赖沉淀和吸附过程,并且要考虑+5价砷是氧化态,会导致通过沉淀最有效去除砷,因为简单的金属砷酸盐比亚砷酸盐一般有更低的溶解度,并且砷酸盐在特定情况下有更强的吸附能力,但是这取决于 pH 值。

In order to deeply reveal the smoothing mechanism of roller burnishing and to overcome the difficulty in the selection of the burnishing cross feed dependent mainly upon experiences and hand feel, the roller burnishing process is taken as an issue of plane-strain mechanics and the micro-plastic deformation area is determined on the basis of the Von-Mises yield criterion and by using the Boussinesq-Flamant solution. Then, the contact pressure distribution is obtained based on the Hertz contact theory, and the stress distributions in the burnishing tool and the workpiece are respectively revealed.

为深入了解滚柱滚压表面光整机理,解决目前滚压量选择完全凭经验和手感的不足,将滚柱滚压加工过程视为平面应变力学情形,利用Boussinesq-Flamant问题的求解并根据Von-Mises屈服准则得出了滚压局部发生微塑性变形的区域,根据Hertz接触理论得出了滚压接触压力分布及滚压过程中工件和工具的应力分布。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。