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radiation energy相关的网络例句

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In addition, some modifications on several computational methods are also presented. Using LMTO method the electronic structure of several systems are studied, and some results are obtained. They are: The ideal Nb (100) surface has three surface states, the multi-layer relaxed surface has two surface states. The surface energy of the ideal surface is higher than that of the relaxed surface, that means that the multi-layer relaxed surface is more stable than the former one, which supports the LEED results. The mono-layer relaxed Ag (111) surface is the most stable one among several" stable surface models"presented by several researchers. The surface energy of Ag (111) surface is higher than that of surface Ag (001), which supports some experimental results such as different reaction rate at different surface orientations for the same material. The surafce states of Si (111) surface not only locate near the Fermi level, but also in the valence band, which agrees well with Cohen's conclusion. Si (111)-H is an effective model for analysing the surface states and H adsorbed on the back surface is a good method for improving the convincingness of the results obtained on thinner slab models. The surface stability depends on three different kinds of MoSi〓(001) surfaces, the surface with mono-layer Si is the most stable one, and the surface with Mo at the first layer is the most unstable one among them. These are consistant with the Kemoda's experimental results. The valence bands of clean or K adsorbed CdTe (111) surface agrees well with the synchrotron radiation studies. The surface of CdTe (111) consists of four kinds of surface models which show different surface electronic structures and different surface structure stabilities. The conclusion agrees well with Wu's experimental work. The different absorbed alkali metals on the CdTe (111) surface give different adsorption characteristics which have relations not only with the valence electrons, but also with the core ones of the alkali metals. The electonic structures of Si-C alloys are different from that of Si-Ge alloys, and the energy band gaps of Si-C alloys do not increase linearly with Carbon concentration, our conclusion supports Alexander's results, but conflicts with Soref's one.

现分述如下: LMTO方法及其应用方面:1)通过对Nb(100)表面电子态分析发现清洁理想表面有三个表面态,多层弛豫表面有两个表面态;表面能大小说明多层弛豫表面更稳定,支持了LEED结果。2)通过对采用不同方法获得的几种不同Ag(111)表面稳定结构的表面能计算分析,给出了单层弛豫表面为Ag(111)表面的最稳定结构;从Ag(111)单层弛豫表面和Ag(001)表面的表面能比较,发现了Ag(001)表面表面能要比Ag(111)小的,表明了同种物质不同表面取向将表现出不同物理、化学性质,这是与实验中得出的结论是吻合的,3)通过对Si(111)表面态分析,不仅发现了Si(111)表面不仅具有居于费米能级附近的悬挂键所对应的表面态,而且还有很多表面态位于价带能量范围内,与Cohen等结果一致,H饱和slab模型背表面相当于增加了slab层的厚度,是一有效的变相增加slab层厚的方法,弛豫表面较清洁理想表面价带谱们低能端的少许移动,预示着总能降低,说明弛豫表面较清洁理想表面稳定。4)MoSi〓具有三种表面,从费米能级上态密度值大小得到单层Si表面最稳定,Mo原子为表层原子的表面最不稳定,双层Si原子表面居中的结论,这与Kemoda等人实验结果是一致的。5)通过对CdTe(111)表面表面电子态、表面结构稳定性及表面H、碱金属吸附的电子结构系列研究,不仅得出了CdTe(111)清洁及碱金属K吸附价带谱与同步辐射光电子谱相吻合的结果,而且发现了CdTe(111)表面具有四类不同原子近邻特征,表现出四类不同的表面结构及电子结构特征:不同表面态分布、不同的表面结构稳定性(表层原子与次层原子成三键有一悬挂键的表面要比表层原子与次层原子成一键有三悬挂键稳定(与Wu等人实验结果一致))、不同的H吸附特性。

The project is a energy-saving revolution of 1,450 Celsius degree high-temperature radiation, national 863 new energy project and national 973(409) engineering project with many honors and patents including multi-resource non-imaging high-temperature wide-wave far infrared intensified radiator, quanta radiator high-energy hot-wind installation, high-energy far infrared radiator hot-wind heat interchanger, Gold Award of the 51st Eureka World Exhibition and Special Award of Genevese Patent Technology in 2002, hence with a promising market prospect.

项目是1450度高温辐射的节能革命,是国家863新能源项目,是国家973(409)工程项目,获得多个荣誉和专利,包括:多源非成像高温远红外定向强辐射器,量子辐射高能热风装置,高能远红外辐射热风险换热器,第51届尤里卡世界博览会金奖,02年日内瓦专利技术特别奖,市场极为广阔。

People through nuclear reactions, have been synthesized 17 kinds of atomic number greater than 92 of the transuranic elements, and thousands of The new kinds of radioactive nuclides, and by high-energy and ultra-high energy-ray beam and the interaction of atomic nuclei and found hundreds of kinds of short-lived particles, namely, baryon, meson, lepton, and particle resonance states of these particles has led to a new field of study - the birth of particle physics since the age of .70, nuclear physics has entered a deep development and wide application of new, more mature stage, on the one hand the development of particle acceleration and detection techniques, expanding people's research in nuclear means, the other hand, nuclear technology to serve the national economy, for example, for the development and utilization of nuclear energy to provide more accurate nuclear data; the use of isotope tracer technique diagnosis and treatment of disease; the use of radiation and irradiation preservation of food, irradiation breeding .

人们通过核反应,已经人工合成了17种原子序数大于92的超铀元素和上千种新的放射性核素,并且通过高能和超高能射线束和原子核的相互作用,发现了上百种短寿命粒子、即重子、介子、轻子和共振态粒子,对这些粒子的研究导致了一门新学科——粒子物理学的诞生。70年代以来,核物理进入了纵深发展和广泛应用的新的更成熟的阶段,一方面发展粒子的加速技术和探测技术,扩充人们研究原子核的手段,另一方面将核技术服务于国民经济中,例如,为核能的开发利用提供更为准确的核数据;利用同位素示踪技术诊断和治疗疾病;利用射线及辐照技术保存食品、辐照育种等。

Taking one with another,Glamor's LED products are in excellent quality,ingenious design,energy saving and environment protection.Our LED products is continuously used in park decoration of world,City brightness,Advertising,commercial venue,public bulding,ornament of human cultural sight and so on. Now our products rapidly infiltrate to Familial illumination life.It is obviously that high energy consumption lights will be replaced by High brightness,low energy consumption, long life span, non-radiation LED illuminating products more and more. Glamor Optoelectronic Technologies Co.,Ltd made great contribution for the proper development of LED industry .

格林曼生产的产品品质优异,科技含量高,设计精妙,节能环保,现正在源源不断的被用于全世界各地的公园装修、都市亮化、广告宣传及商业场馆、公共建筑物、人文景观的装饰和美化上,而且我们的产品正迅速的渗透到家庭日常照明生活中,高亮度、低耗能、长寿命、无辐射的LED照明产品取代传统高耗电量灯具的趋势越来越明显,格林曼光电科技为推动行业健康正确的发展作出了巨大的贡献。

Aiming at the importance of building ecological energy saving, the main methods of building energy saving were proposed with the aspects of energy activity arichitectural base,intelligent breathing double layer glass curtain wall,double layer overhand flooring,celling radiation refrigeration,so as to enhance the house comfort,save architectural cost and save operation cost.

针对建筑生态节能的重要性,从能量活性建筑基础系统、智能呼吸式双层玻璃幕墙、双层架空地面、顶棚辐射制冷采暖系统等方面提出了建筑节能。术的主要手段,从而达到提高室内舒适度、节约建筑投资、节约运营成本的目的。

Aiming at the importance of building ecological energy saving, the main methods of building energy saving were proposed with the aspects of energy activity arichitectural base,intelligent breathing double layer glass curtain wall,double layer overhand flooring,celling radiation refrigeration,so as to enhance the house comfort,save architectural cost and save operation cost.

针对建筑生态节能的重要性,从能量活性建筑基础系统、智能呼吸式双层玻璃幕墙、双层架空地面、顶棚辐射制冷采暖系统等方面提出了建筑节能技术的主要手段,从而达到提高室内舒适度、节约建筑投资、节约运营成本的目的。建筑节能。

deviation of the antenna radiation resistance seems larger in some textbooks about the electromagnetic theory for the editors have made some similar treatment when discussing the radiation power of short antenna.combining the concept of physical with mathematical tools and the precise results are gained,that is the real radiation resistance of electric dipole antenna is about ten times smaller than that of the approximate results in the actual literature by researching the electromagnetic field theory and average energy density.this offers evidence to grasp the radiated ability accurately.

小 摘要:在部分有关电磁场理论的教材中,编者讨论短天线的辐射功率时,由于作了某些近似处理而所得天线的辐射电阻值偏差较大。从天线辐射的电磁场理论和平均能流密度出发,使物理概念和数学工具相结合,运用矢量运算推导出精确的结果,即电偶极子天线的实际辐射电阻要比文献中的近似结果小数十倍,因而为准确把握天线的辐射能力提供了依据。

The dose enhancement effects and decreasing effects caused by material inhomogeneity were studied quantitatively with a parameter named Dose Perturbation Factor, which was the ratio of the dose at a point in the heterogeneous phantom to the dose of the same spatial location point in the homogeneous phantom. It was showed that the degrees of the dose enhancement or decreasing depended on the energy of radiation, field sizes of the beamlets and compositions of the media. The dose perturbation for high energy X rays is greater than that for low energy X rays. At the same energy condition, the dose perturbation decreased when the field size increased. And the relationship between them was not linear.

模拟结果表明:在小射野情况下,异质组织界面处出现了较大的剂量跃变,剂量扰动效应的强弱程度取决于射线的能量、射野的大小和模体介质的不同等多种因素,高能X射线条件下的剂量扰动效应大于低能X射线条件下的剂量扰动;在入射X射线能量相同的条件下,剂量扰动效应随射野尺寸的减小而增强,并呈现一种非线性关系。

Black plastic mulch, the primary color used in vegetable production, absorbs most UV, visible, and infrared wavelengths of incoming radiation and reradiates energy in the form of thermal radiation or long-wavelength infrared radiation.

主要用于蔬菜生产上的黑色塑料薄膜,能够吸收入射光线中的大部分紫外线、可见光和红外线,再以热辐射或长波红外辐射的形式再辐射能量。

It is treated with six fields (Anterior, Posterior, four obliques) positioned 60° apart around the circumference of the patient, each dual field is made up of two component beams, pointing ±15° with respect to the horizontal. The nominal energy of electron beam produced by Mevatron Ⅻ is 3MeV, and the patient is treated at a distance of 3 meters. Using Capintec dosemeter and PS-033 electron beam chamber for measurement, one moniter unit of radiation is equivalent to 0.0127cGy. Measurement of electron energy by Kodak X-omat-V verification film inside the Rando phantom at 100 cm SSD was 3.70MeV, electron energy measured at 3 meters was 3.51MeV. X-ray contamination was measured as 9.5% per six dual fields.

此种方法分别使用六个双照野,由病人的前、后、左前、右前、左后、右后各间隔60度共六个方向照射,每一双照野由水平向上和向下15度照射;荣民总医院选择3MeV电子射束来治疗病人,治疗距离为3公尺,利用擬人假体及柯达X-omat-V验证片实验得电子射束初始能量从3.7Mev变为3.51MeV,六个双照野之X光污染共达9.5%,使用Capintec剂量表及PS-033型电子射束用游离腔测量六个双照野,每一监测单位相当於0.00127 cGy。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。