研究出

We get the optimum process scheme which is suitable for the unit, through analysising and comparising different absorption schemes in the incipience of running of PSA. As to different operation conditions during pressure swing absorption actual operating, we propose to refer absorption cycle time, hydrogen yield and recovery rate as target of process characteristic, study and find out the interrelation between process parameters which influences each other and controls guideline; Through optimizing process conditions, we find out the best operation clicking in actual production, then confirm the best range of absorption cycle time, which make hydrogen yield of plant, hydrogen products purity and hydrogen recovery rate come up to the production requirement at the same time.

通过装置运行初期对不同吸附方案的分析、比较，选出适合本套装置的最优方案，针对变压吸附实际运行过程中的不同生产条件，提出了吸附时间、氢气产量和氢气回收率作为工艺条件研究的主要对象，找出相互影响的工艺参数和控制指标的相互关系；通过对工艺条件的优化，找出实际生产中最佳操作点，确定吸附时间的最佳范围，使装置氢气产量、氢产品纯度和氢气回收率同时满足生产要求，并对影响氢气回收率的其他因素进行了阐述，对优化操作提出建议。

This paper develops an full digital induction motor vector control platform based on DSP which is related to the subject of Natural Science Fund of Hunan Province "The Research on the System of High Peformance Intelligentized Induction Motor Variable Frequency Speed Regulating", and presents the software and hardware design scheme.

本论文结合湖南省自然科学基金项目"高性能智能化感应电机变频调速系统研究"，开发出基于DSP的全数字感应电机控制实验平台，并给出了该系统的软硬件设计方案。

This paper,on the basis of motion kinetics equation,after considering the inertial force,infers the theorem of kinetic energy in non-inertial system .

从质点组相对运动动力学方程出发，考虑每个质点受到的惯性力，推导出非惯性系的动能定理，并在此基础上对机械能守恒进行研究，给出了惯性力为保守力的条件。

The maximum absorption peak was at long wavelength (＞650nm), extinction coefficient achieves 10〓 degree, which was one degree higher than HpD. The study has revealed that CPD photosensitizer appeared blue movement under the relevant body environment. The spectra parameters provided basis for selecting light source of PDT. Measurement system which measured singlet oxygen and its quantum yields within the infare range had been set up and the quantum yields of singlet oxygen for CPD were reported: the quantum yields of singlet oxygen for CPD〓 was the highest (φ=0.83) while he quantum yields of singlet oxygen for CPD〓 was the lowest (φ=0.83). Photobleaching's half life time was studied.

给出了此类光敏剂的光谱指认和光谱参数：其吸收光谱峰值位于长波红光区(＞650nm)，摩尔消光系数达10〓LmoL〓cm〓量级，比血卟啉衍生物高出一个数量级；研究揭示了此类光敏剂在近似体内环境下光吸收的蓝移现象，为光动力治疗光源的选择提供了依据；建立了在近红外光谱区中测定敏化单态氧的光谱和量子产率测量系统，报导了该类光敏剂敏化单态氧的量子产率，其中CPD〓的单态氧量子产率最高(φ＝0.83)，CPD〓的单态氧量子产率最低(φ＝0.51)；测定了二氢卟吩类光敏剂的光漂白半衰期。

Then research them, find out how long they've been around, check out the Better Business Bureau information on them.

然后研究，从而找出了多久，他们一直在周围，检查出更好的营商局关于这方面的资料。

Associated with production practice and sweetening technology's analysis, certain solution pollution sources are corrosion inhibitor and surface acting agent and ferried from corruption and hydrate inhibiter reaction by product.

利用红外光谱仪分别对纯净脱硫溶液和发泡脱硫溶液进行分析、比较，确定出发泡溶液中的杂峰，根据这些杂峰找出其对应的基团；然后结合对开采工艺和脱硫工艺所使用的化学剂研究，确定脱硫溶液中的有机杂质主要有：缓蚀剂、表面活性剂、水合物抑制剂和脱硫溶剂的反应副产物。

In chapter 4, Based on the orthogonality relations and duality of C-algebras, we study the decompositions of C-algebras, and give a Fourier inversion formula on C-algebras, which generalizes the Fourier inversion formula on the center of a finite group algebra over complex. As an application, we characterize the integral closure of C-algebras over the ring of integers, and show a necessary and sufficitient condition for elements of C-algbras being algbraic integral over integers.

第四章 我们应用C-代数的正交性及对偶性刻画了C-代数的一个分解，给出了C-代数上这个完全分解的Fourier反演公式，从而推广了Z分解的Fourier反演公式；作为Fourier反演公式的一个应用，我们刻画了Z在整数环Z上的整闭包，进一步我们研究了C-代数在整数环Z上的整闭包，给出了C-代数在整数环Z上为整元的一个充要条件。

Based on the Rayleigh-Sommerfeld diffraction integral and complex analytical signal representation,the free-space propagation equation and its Fourier spectrum for ultrashort chirped pulsed Gaussian beams are derived,and the far-field analytical electric field and spatial intensity are presented.

基于瑞利-索末菲衍射积分，使用复解析信号法推导出了啁啾脉冲高斯光束在自由空间中的传输方程及其傅里叶谱，给出了远场的光场和空间光强的解析式，研究了啁啾参数C对脉冲光束传输的影响。

The result shows that desertification is serious in the study area. Various types of desertification land add up to 370000hm~2, accounting for 39% of the total land. From l995 to 2000,the serious desertification land, where vegetation cover is below 30%, extends with the speed of 61hm~2 per year. The increasing landscape fragment reflects the intense intervene that human activities act on landscape. Shape index changes indicate the growing ratio of interior -edge, which is disadvantageous to natural recover of land.

结果表明，研究地区沙漠化现象严重，各种类型沙漠化土地总面积37万hm~2占总土地面积的39％；植被盖度小于 30％的较严重的沙漠化土地从1995年到2000年的五年间以61hm~2／年的速度扩展；景观破碎度变大，反映出人类活动对景观的干预作用不断增强；沙漠化景观要素的形状指数变化表现出内、缘比变大，不利于沙漠化土地的自然恢复。

The results show that the ECM potential behaves well in whole internuclear region, and that the ECM not only gives satisfied potentials for smaller diatomic molecules but also generates correct potential energies for heavier molecules like halogen diatomic molecules.

研究表明，ECM势不仅有优秀的物理性质，而且在分子振动全程具有较高的精度；ECM不仅能给出小分子电子态的满意势能结果，而且对于其电子构造和物理及化学性质都有一定特殊性的卤素双原子分子，也同样能给出正确的势能曲线。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。