Under the assumption that the inner surface of stator sleeve and outer surface of rotor are smooth , taking the fact into account that the temperature of stator sleeve of evaporation cooling motor keeps almost the same , horizontal evaporation cooling motor is simplified as a physical model of two coaxial sleeves , with outer sleeve ( the stator ) holds still and keep at constant temperature and inner sleeve ( the rotor ) is rotating and heated 本文通过数值和实验手段研究了卧式蒸发冷却电机楔形气隙中的流体流动、传热现象。本文在定子套筒和转子表面光滑的假设下，针对蒸发冷却电机定子套筒壁面基本恒温的特点，将实际蒸发冷却电机简化为同轴套筒内筒加热旋转、外简静止定温的物理模型。
Obtaining structure and function of proteins is one of the main purposes of research in biology , but determining three - dimensional structure of protein by means of x - rays crystallography and nuclear magnetic resonance spectroscopy , and research in protein structure by the way of biochemistry , already can ’ t adapt the need of the rapid increase of protein sequence 获取蛋白质的结构和功能是生物学研究的重要目的之一,但是使用x光晶体衍射和核磁共振技术等实验手段测定蛋白质的三维结构,以及使用生物化学方法研究蛋白质的功能时效率不高,已经无法适应蛋白质序列飞速增长的需要。
The influence of y _ 2o _ 2s : eu phosphors fluorescent spectra , chroma and luminescence intensity is systematically studied when different concentration of europium is adulterated into different phosphors by means of xrd , fluorescent spectra analysis , time - basing spectra analysis , long - persistent fluorescent spectra analysis and so on ; the influence on y2c > 2s : eu phosphors structure , luminescence intensity and long - persistent curve is investigated when different concentration of mg24 " > ti4 " 1 " is adulterated into different phosphors , finding the most suited concentration of mg2 " * ti4 " 1 " ; base on the suited concentration of mg2 + > ti4 + , the influence rule on phosphors luminescence intensity and long - persistent curve with changing of eu + concentration is also studies . at the same time , by using rare - earths metals adulteration and theory of chroma synthesis , the possibility of sensitized buildup of phosphors and the synthesis of different color long - persistent phosphors is also researched 应用x射线粉末衍射( xrd ) 、荧光光谱、时间分辨光谱及磷光体长余辉寿命测试等综合实验手段，较系统地研究了掺杂eu对荧光体y2o2s ： eu荧光体的发光光谱、色度和发光强度的影响；研究了不同mg ， ti含量对磷光体基质结构性能、发光强度与余辉曲线的影响及其适宜的掺杂浓度；基此，研究了在给定mg ， ti含量时，不同eu掺量对磷光体发光强度和余辉的影响规律；从稀土掺杂和色度合成原理分别探讨了eu的发光敏化增强和制备不同光色长余辉磷光体的可能性。
However , as optical parametric oscillators are mainly used in the research area of spectroscopy etc , and the applications of spectroscopy have a high demand for the resolution of the lasers , namely beam linewidth , ours practical study of bbo - opo mainly take the efforts for seeking the theoretical support of the decreasing linewidth and improving the beam quality of output , and practical experimental methods as well as increasing the conversation of the parametric beams , and providing convenient tuning systems for the opo applications 然而，由于opo主要应用于光谱学研究等领域，而光谱学的应用对激光的分辨率即线宽和光束质量要求较高，因此本文的bbo - opo实用化研究在努力提高参量光的转换效率的同时，主要致力于寻求压缩线宽和提高光束质量的理论依据和实用化的实验手段以及为opo的应用提供便捷的调谐系统。
As an important part of criminal science and technology teaching , the experiment teaching of material evidence examianation is renewed and improved continuously through reforming experiment teaching methods 、 perfecting experiment means and improving grade checking methods , we can improve obviously students ' interest in experiment , promote experient results and arose students ' enthusiasm for experiment 通过改革实验教学方法、完善实验手段和改进成绩考核方法，可以明显提高学员的实验兴趣，增强实验效果，调动学员实验的积极性。
In summary , this paper developed experiment techniques to simulated flow field in overloading srm . it is an effective way to study inhibitor ablation pattern under high acceleration condition . the experiment results provided basis for investigating ablation mechanism and thermal protection 通过本文的研究工作，发展了一种高过载发动机内流场模拟实验技术，为开展高过载条件下绝热层烧蚀研究提供了有效的实验手段;获得的绝热层烧蚀实验结果以及粒径分布规律，为高过载条件下绝热层机理研究奠定了基础，为高过载发动机热防护设计提供了依据。
It concluded that self - activated luminescent centers are not distributed randomly but prefer to occupy the surface sites in nanoparticles . 5 . by raman spectra , epr spectra and uv irradiation - induced spectra change , the organic function groups of - oh , - ch3 and - coo adsorbed electrically on the surface of nanoparticles were discussed Zns射漪届劣结匆、龄腔与发芳硕里j笋应忿丈君漪扮5借助raman光谱， epr (电子顺磁共振)光谱以及紫外辐照诱导的光谱变化等实验手段，较深入的研究了纳米晶的表面态。
The explosive welding specimen were also annealed in vacuum at various elevated temperature from 1000 to 1300 . optic microscope , sem , tem and eds ( electron diffraction scattering ) techniques are applied to observe the microstructure and the element profiles of the welding interface and the interdiffused layer , reveal the interdiffused performance of alloy elements at elevated temperature , and analyze the structure and composition of the precipitated phases . moreover , the tensile strength of welding line with the two different techniques and various welding parameters were carried out 采用金相、扫描电镜、透射电镜、能谱等多种实验手段对焊接结合层的微观组织结构、高温下nb - 1zr与不锈钢合金元素的互扩散行为，形成的互扩散层的成分、金相组织和扩散层中的析出相的相组成和相结构等，都进行了较为详细的分析，并且对在不同工艺、不同焊接参数下焊接的nb - 1zr合金和不锈钢的焊缝做了强度实验研究。
The vadose theory , including conformal mapping , mirror image and superposition principle are used to derive the formulae for calculating the productivity of combined well pattern of horizontal and vertical wells , the formulae are proven and contrasted by electric simulation experiment based on the well pattern 摘要研究运用保角变换法、镜像反映和势叠加原理等渗流力学理论推导水平井直井联合井网产能公式，采用电模拟实验手段针对所建立的井网产能公式进行了验证、对比。
Guided by the theory of sequence stratigraphy and petroleum system using cores , lithologic log or well - logging , biostratigraphic and seismic data , adopting seismic inversion constrained to well data , digital analysis technology , basin modeling , test method and so on , and adopting an integrated study technology , aiming at lower exploration in chagan depression , this work put forward a new research thoughtfulness , technic flow and method system that is an integrated study by " looked upon sequence stratigraphy as a base , looked upon petroleum system as a integer , combing with each other closely " and tie in qualitative analysis and quantitative analysis and applied synthetically new theory , new technology and new method 以层序地层理论和含油气系统思想为指导，利用岩心、钻/测井、古生物以及地震资料，采用井约束下的地震资料反演技术、计算机技术、盆地模拟技术和各种分析实验手段等综合分析方法，针对查干凹陷勘探程度低的特点，提出了断陷盆地“以层序地层分析为基础、含油气系统为整体(系统)和二者紧密结合”以及定性与定量相结合，综合应用新理论、新技术和新方法的研究思路、技术路线和方法体系。
