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原子
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  atomic scale
    An Atomic Scale Simulation on {100} Oriented CVD Diamond Film Grown under Modified Chemical Reaction Model
    CVD金刚石膜{100}取向在改进化学反应模型下生长的原子尺度模拟
短句来源
    Molybdenum films were deposited on Al2O3(0001) substrate by ion-beam assisted deposition (IBAD). The microstructure of the films and the interface between molybdenum films and Al2O3 (0001 ) have been studied on atomic scale by using the cross-sectional technique and HREM.
    采用中等能量离子束辅助沉积(IBAD)技术在单晶Al2O3(0001)基片上沉积钼膜,通过HREM等分析手段,在原子尺度上,对于钼膜及其与Al2O3单晶基体界面的显微结构进行了研究。
短句来源
    Kinetic Monte Carlo(KMC)method is an appropriate method to describe the CVD diamond films processes on atomic scale, based on a three-dimensional representation of film growth that incorporates the effects of surface atomic structure and morphology.
    蒙特卡洛动力学(Kinetic Monte Carlo-KMC)仿真方法通过结合金刚石膜生长表面的原子结构和形貌特性,以及对CVD金刚石膜生长过程在原子尺度上的三维表征,可以形象描述CVD金刚石薄膜原子尺度生长过程。
短句来源
    ATOMIC SCALE CONTROLLED EPITAXIAL GROWTH AND CHARATERIZATION INVESTIGATION ON PEROVSKITE OXIDE HETEROJUNCTIONS
    原子尺度控制钙钛矿氧化物薄膜的异质外延生长和特性研究
短句来源
    Heterogeneous catalysis on an atomic scale
    原子尺度上的异质催化
短句来源
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  adatoms
    Influence of interaction between Cu adatoms on the hopping diffusion on Cu(001) surface
    表面Cu原子间相互作用对Cu(001)表面跳跃扩散行为的影响
短句来源
    The simulation results show that on Cu(001) and Cu(111) surfaces,the Gd adatoms diffuse by hopping,and the frequency of long jumps is very high at high temperature.
    模拟结果表明在Cu(001)和Cu(111)表面,Gd原子通过跳跃机制扩散;
短句来源
    The Ehrlich-Schwoebel (ES) barriers to the diffusion of adatoms (Pd,Ag and Cu) on different bench terraces of fcc Cu are compared by molecular dynamics computation.
    利用分子动力学中的静态结构计算方法对Pd,Ag及Cu原子在面心立方铜的台阶表面扩散过程中的Ehrlich-Schwoebel(ES)势垒进行了模拟计算,研究了各种台阶表面情况下增原子扩散过程中的ES势垒;
短句来源
    In this thesis, low-energy depositions, surface diffusion of adatoms and evolution of heteroepitaxial islands were simulated by molecular dynamic method (MD) with embedded atom method (EAM).
    本文重点关注了薄膜生长过程中的载能粒子沉积、表面扩散、成核以及外延岛的生长演化这几方面问题,采用分子动力学方法分别研究了低能原子沉积过程、表面原子扩散以及异质外延生长中表面岛的生长演化行为,探讨了这些表面过程对薄膜生长行为和微观机制的影响规律。
短句来源
    For the study on diffusing processes of adatoms, interaction between the adatoms and the substrate, interaction between two adatoms and its influence on surface diffusion are presented, in the sight of lattice deformation caused by the adatoms.
    在研究表面原子扩散过程时,从Cu吸附原子导致的基体晶格畸变的角度,探讨了吸附原子与基体表面晶格之间、以及吸附原子之间的相互作用及其对原子表面扩散行为的影响。
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  “原子”译为未确定词的双语例句
    Incident angle dependence of angular distributions in the sputtering of Cu by 100 keV Ar~+ and Ne~+
    100keV Ar~+、Ne~+轰击铜靶所产生的溅射原子角分布与离子入射角的关系
短句来源
    Diffusive behavior of boron in Ni_3Al(0.98at%B)investigated by position annihilation technique
    Ni_3Al(0.98at%B)中硼原子扩散行为的正电子湮没研究
短句来源
    The relationships of the film deposition rate and the hydrogen,and that of the bromine content and the bromioethane flowrate were described. The influences of the etching time and bromine flowrate on the main bounding state of the film CH CCsp2 and C-Csp3 were analyzed.
    通过样品的XPS能谱分析研究了薄膜沉积速率与氢气流量、溴元素原子分数与溴乙烷流量以及溴元素原子分数与刻蚀时间之间的关系,得出了溴乙烷流量、刻蚀时间对薄膜的主要键态含量、C元素sp2/sp3键态杂化比和薄膜硬度的影响。
短句来源
    By XRD and SEM testing,the characteristic peak of polysilicon is found in the(111)direction and the grain size of the film is 80 nm averagely.
    经XRD和SEM测试发现,间断p-Si的生长,经若干分钟的H原子处理后多晶硅很快就形成,结晶取向在(111)面上最强,晶粒尺寸平均为80nm。
短句来源
    Ultrasmooth Gd3Ga5O12(111) substrates were obtained by annealing at specified high temperatures.
    通过高温退火处理获得了具有在原子尺度范围内平坦化表面的Gd3Ga5O12(111)基片。
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  atomic scale
The suppression of the spatial dispersion of D(q,ω) near the Anderson transition up to the atomic scale confirms the asymptotic validity of the Vollhardt-W?lfle approximation: D(q,ω)?D(ω) as |t|→0 and ω→0.
      
Precise atomic scale studies of material sputtering by light-ion gases in the prethreshold energy region
      
M?ssbauer spectroscopy and the structure of interfaces on the atomic scale in metallic nanosystems
      
It is argued that both thermodynamic and kinetic effects contribute to this result, at least on a quasi-atomic scale.
      
The products obtained are polymers in which metal cations are distributed homogenously on atomic scale that ensure high reactivity to cations of Li+ and Mn2+.
      
更多          
  adatoms
The effect of some factors (potential and time of electrolysis, nature and concentration of supporting electrolyte) on the electrochemical preconcentration of arsenic at graphite electrodes modified with copper and gold adatoms was studied.
      
Cyclic reaction of metallic cations such as Pd2+ or Fe2+ can accelerate the electrochemical deposition of RuNO3+, Rh3+, and ReO4- owing, e.g., to the promoting effect of Pd adatoms or to behavior of Pd as mediator.
      
Lead adatoms on submonolayers of selenium and tellurium deposited on a gold electrode
      
Cyclic voltammetry reveals that energy states of lead adatoms depend on the presence of submonolayer or supermonolayer amounts of a chalcogen.
      
The underpotential deposition of lead adatoms on Au/Sead and Au/Tead is irreversible, which is due to the formation of chemical bonds Pb-Se and Pb-Te.
      
更多          


The structure of amorphous Gd-Co films 400-700Ain thickness has been stu-

本文用电子衍射方法研究了非晶态Gd-Co薄膜(400—700A)的结构,测定了五个试样的径向分布函数,并把其中两个试样的径向分布函数与它们的磁性(一为垂直膜面单轴各向异性,另一为平面各向异性)联系,发现Gd-Co薄膜的垂直膜面磁各向异性可能与膜中异类原子的最近邻配位数较大有关。

There are three main possibilities for application of solar energy: photo-thermal conversion, photovoltaic conversion, and photochemical conversion.Therefore, photo-collection plays an important role in the solar energy application technology. Research on the interrelation between solar radiation and substances, exploration of methods for increasing photo-collective efficiences, as well as development of new optical-collective materials are important for solar energy application.At present, the design and study...

There are three main possibilities for application of solar energy: photo-thermal conversion, photovoltaic conversion, and photochemical conversion.Therefore, photo-collection plays an important role in the solar energy application technology. Research on the interrelation between solar radiation and substances, exploration of methods for increasing photo-collective efficiences, as well as development of new optical-collective materials are important for solar energy application.At present, the design and study of spectral selective coatings by use of optical interference filter are very interesting. These optical-collective coatings consist basically of a stack of one or more layers of alternating high and low refractive indices. Appropriate choice of refractive index, layer thicknesses and number of layers permits the development of advanced spectral-selective coatings.In order to design the useful optical-collective coatings, it is necessary to use a lot of materials, which have different indices of refraction. We have done the following: (1) Among the important optical parameters of more than 180 AB type compounds, the indices of refraction of different materials are reviewed; (2)The principles in the change of refractive index of materials are discussed with respect to chemical bond parameters; (3)The magnitude of refractive indices of some interesting materials is predicted.

利用光学干涉原理设计和研究光谱选择性涂层是当前太阳能利用研究的一个重要方面,这种涂层基本上都是由一些折射率高低不同的膜层交替叠合而成,只要适当选择不同折射率的材料,控制膜层厚度和层数,就可制成各种性能的采光涂层。本文从评价材料的重要光学常数折射率着手,从化学键参数出发,运用原子量、电负性、以及电荷-半径比等参数来研究材料的折光性。总结了单一元素、离子型卤化物、氧化物和非氧化物等近二百种材料的组成、结构、化学键参数与折射率的关系。探索各类材料的折射率变化规律,预测某些材料的折射率范围。

An adiabatic calorimeter has been developed for measuring specific heat of solids at low temperatures. Bismuth of high purity and OFHC are used as measuring samples ia temperature range, 13.81-273.15K. A comparison is made between the values of specific heat obtained by us and the data collected by TPRC of Purdue University ia U.S.A., the deviations obtained being from 0.4 to 2.8 percent.Based on Debye's model for atomic specific heat of simple solids, an equation has been developed, by means of which we may...

An adiabatic calorimeter has been developed for measuring specific heat of solids at low temperatures. Bismuth of high purity and OFHC are used as measuring samples ia temperature range, 13.81-273.15K. A comparison is made between the values of specific heat obtained by us and the data collected by TPRC of Purdue University ia U.S.A., the deviations obtained being from 0.4 to 2.8 percent.Based on Debye's model for atomic specific heat of simple solids, an equation has been developed, by means of which we may find out the optimum temperature increment △T* in specific heat measurement at low temperatures.Error analysis and data on some solid samples are given in this paper, too.

设计了一套测量材料低温比热的装置,在13.81—273.15K范围内,先后用纯铋和无氧铜作为校验样品,测得的比热值与美国珀杜大学(Purdue University)热物理性能研究中心(TPRC)汇集的数据比对,偏差小于2.8%. 从简单固体原子比热的Debye模型出发,提出了低温比热测试中确定最佳温升△T的方程式.给出了误差分析及一些材料的比热测试结果.

 
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