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In this research, optical characterization results of five InGaN/GaN multiple quantum well structures and their thermal annealing effects are reported.

在本研究中,我们探讨了五个氮化铟镓/氮化镓多重量子井结构及其热退火效应的光学特性结果。

She expresses her literary gist to reveal, criticizes and remoulds the shortcomings of human nature by literarily exploring the functional relationship between doctors and patients, and that of disease and therapy, which are the most basic ones in the complicated medical system.

毕淑敏以作家和医生的双重视角关注写作对象,从生理、心理、伦理、道德多层面全方位地透视人生;她锁定医学题材,以文学化的&医学&的内容及其叙事表现独树一帜;她以从容淡定的口吻冷静地阐释&生&与&死&的主题和宏大的人文关怀,并以日臻成熟的创作跨越了单一的社会学视角,上升到对生存价值的追问和生命意义的思考上,使作品获得了哲学意义和审美意义上的超越;她借医生与患者以及疾病与治疗这两类复杂的医学体系中最基本的功能关系的文学化的开掘,寄托和表达揭示人性弱点,批判和改造的文学主旨;她给医学裹上了文学的外衣,以医学的&冷&和文学的&热&来打造人物的性格,把沉重的医学话题和艰深、晦涩的医学术语以文学的笔法写得轻松、幽默、好看。

Fluorination modification and electret properties were studied on the cellular polypropylene films modified by gaseous fluorine, by attenuated total reflection infrared analysis and the measurings of open-circuit thermally stimulated discharge current and in situ TSD charge and isothermal charge decay.

通过衰减全反射(Attenuated Total Reflection, ATR)红外光谱分析与开路热刺激放电(Thermally Stimulated Discharge, TSD)电流、原位实时电荷TSD和电荷等温衰减的测量,本文研究了氟气对孔洞聚丙烯膜的氟化改性及氟化改性对其驻极性能的影响。

Silicon oxide/Fluorinated amorphous carbon/Silicon oxide multiple-layered films and one-layered Fluorinated amorphous carbon films were prepared using Microwave electron cyclotron chemical vapor deposition reactor with SiH4, O2, CHF3 and CH4 as source gas and were annealed in nitrogen ambience in order to investigate their thermal stability.

食用80%Ar稀释的SiH4,O2,CHF3和CH4作为前驱气体,利用微波电子回旋共振等离子体化学气相沉积方法制备了氧化硅/氟化非晶碳膜/氧化硅(SiO_x/a-C:F/SiO_x)多层膜与单层的氟化非晶碳膜,并在N_2氛围退火处理中考察其热稳定性。

Under atmospheric pressure, binary nanocrystalline sulfides and selenides such as CdS、CdSe、PbS、 PbSe、Cu〓Se、Ag〓S、Ag〓Se、SnSe are obtained at room temperature; nanocrystalline CdTe and PbTe are obtained by heating. Nanocrystalline NiSe〓、CoSe〓 and FeTe〓 are obtained by hydrothermal conditions.

根据硫、硒歧化的碱溶液与碲歧化的碱溶液稳定性的不同,发现在室温条件下可成功获得CdS、CdSe、PbS、PbSe、Cu〓Se、Ag〓S、Ag〓Se、SnSe等二元硫化物与硒化物纳米晶;加热条件下可成功获得CdTe与PbTe纳米晶;而NiSe〓、CoSe〓及FeTe〓的合成则要在水热条件下进行。

The following conclusions and innovation can be obtained:(1) The MARC finite element analysis software and subroutine program is used to analyse the model of deicing or snow-melting and heat transfer problems in practical deicing or snow-melting successfully.

得到了以下的结论和创新性成果:(1)借助于MARC有限元程序和自编的用户子程序成功地分析了融雪化冰模型,并解决了融雪化冰中所涉及的热传导计算问题,得到的结果与相关文献吻合得较好。

Exploring a new technology for snow-melting and deicing of airports tracks is the research background of this project. Through a great amount of experiments, numerical value calculation and theory analysis, a great deal of experiment data are attained, and the resonance law of carbon-fiber reinforced concrete under various power and ice-layer thickness conditions was found.A low-energy concuming, low cost and high thermal effect CFRC road surface concrete structurel material was developed. The snow-melting and deicing mechanism of CFRC was analyzed in the point of view of energy conservation, and the electric-thermal resonance law of road surface structural materials to CFRC concrete materials was set up.

本项目以新型机场跑道的冬季融雪化冰为研究背景,通过大量实验、数值计算与理论分析,获得了碳纤维增强机敏混凝土在不同功率、不同冰层厚度下的响应规律和大量试验数据,找到了一种能耗低、热效高、成本低的CFRC路面混凝土结构材料,并从能量守恒的角度分析了CFRC混凝土融雪化冰机理,建立了研究路面结构材料的导热性能对CRFC混凝土材料的电热响应规律。

Polymer processing is a high-energy process operation, and screw machinery is widespread applied to the polymer processing, such as screw extruders, screw injection molding machine and so on. The screw plasticating and conveying equipments based on shear rheology are generally adopted in polymer processing, in which materiels are dominated by shear stress. Therefore, there are some ubiquity disadvantages of the current methods of polymer materials processing, such as long thermo-mechanical, high energy consumption, too big equipment structure, and dependence on material properties.

加热管高分子材料成型加工是高能耗过程作业,目前普遍采用螺杆机械,如螺杆挤出机、螺杆注射机等,在螺杆机械中物料塑化输运主要是靠螺杆旋转时对物料的拖曳作用,固体输送为摩擦拖曳,熔体输送为粘性拖曳,物料的速度梯度与其流动和变形方向垂直,这种流动与变形受剪切应力支配,所以当前的高分子材料加工方法普遍存在物料塑化输运所经历的热机械历程长、能耗高、设备结构大、对物料特性依赖性强等缺陷。

The ionized tracks are measured by optical probing technique. Collimated ionization tracks lasting for 60 picoseconds and extending 150 to 300 micrometer in length and 8 micrometer in diameter are observed.

实验观察到了在镀铝膜石英玻璃靶中在激光入射方向近似各向同性的辐射热传导,并在其前端有几条离化径迹,这些离化径迹是相互平行且等间距的,径迹之间的间距约13微米,其宽度约8微米,所观察的径迹从产生到消失的时间约60ps,在这个时间段内径迹的长度从 100-300微米变化。

During cleaner product audit,the energy source consumption of beer brewing industry was analyzed systematically and compared with those which the advanced technologies for energy saving were used.The related measures for reducing the energy comsumption were put forward,for examples the first stage cooling of malt extract,recovery of heat energy of glyconeogenesis,recovery of heat water,recover and combustion of marsh gas from wastewater ...

在开展啤酒企业清洁生产审核中,系统分析啤酒企业能源消耗状况,对比国内外先进工艺和技术,提出可以通过加强用能管理,采用麦汁一段冷却工艺、糖化热能回收、糖化热水回收、热电联供回收系统、沼气回收系统,以及在北方利用冬季室外风冷却系统的技术工艺,可以减少能源的消耗,达到节能、降耗、减污、增效的清洁生产目的

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Do you know, i need you to come back

你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。