Urban density data are difficult to compare among countries. 各国的城市人口密度数据是难以进行比较的。
Our current resources are within this category, no density data has been applied and the geological confidence is at a lower level as is the reliability of our ore intervals. 我们当前的资源属于该类别,尚未采用任何密度数据,而我们的矿产层段的可靠性决定了地质可信度还处于较低的水平。
Nanoscale electrical storage properties, including writing, reading and erasing properties were investigated. The result shows that Ag ( TCNQ) can be expected to use as a good ultrahigh density data storage material. 另外,研究了Ag(TCNQ)电存储特性,包括写入、读出和擦除特性,结果表明Ag(TCNQ)可以作为超高密度的随机存储器的材料。
By applying a pulsed voltage between a scanning tunneling microscope tip and the substrate we realized ultrahigh density data storage on this organic film, and recorded information dots 1.8 nm in diameter. The mechanism of the recording is also analyzed. 通过在扫描隧道显微镜的针尖和基底之间加脉冲电压在薄膜上进行信息点的写入,得到了直径为1.8nm的信息点,并分析了信息点形成的机理。
Using the density data of homojunction metal and the analytical data of crystal structure, the metal atomic radius is calculated. 通过单质金属的密度数据和晶体结构分析的数据,实现了金属原子半径的科学推算。
Prestack simultaneous AVA inversion can simultaneously inverse P-wave and S-wave impedance and density data volume from small/ middle/ far angle stacked data volume. 叠前AVA同步反演可从小、中、大三个角度部分叠加数据体上同步反演出纵、横波阻抗和密度数据体。
Based on observed soil carbon density data over wold wide and model results of net primary production, a simple model was built that can be used directly in calculating average soil respiration rate and soil carbon density. 根据大量实测的土壤碳密度资料并结合生产力模型,得到一组直接利用气候资料来计算平均土壤呼吸速率和土壤碳密度的公式,并同实测资料进行了对比。
Ultrahigh density data storage is the foundation of the development of the information science. The present study about the technology and materials of the ultrahigh density data storage is reviewed in this paper. 超高密度信息存储是信息科学发展的基石,本文综述了超高密度信息存储的材料及技术等方面的目前的研究进展。
Snow density data of 40 years from 29 weather stations are analyzed, using clustering and regression methods. 对29个有雪密度观测的气象站40a气象资料进行聚类和回归分析。
Research on transportable SLR of millimeter precision and high density data 毫米级高数据密度流动卫星激光测距仪的研究
The application of near-field optics in high density data storage 近场光学在高密度存储中的应用
Ultra-high Density Data Storage on A Novel All-organic Complex Thin Film 对一种新型全有机复合薄膜的超高密度信息存储研究
The limited density data sampling is analyzed. 对有限密度数据采样进行了分析。
Numerical weather forecast model is a cosmical operation model that based on non-linear partial differential equations describing the atmosphere motion variations, Then modeling future weather element variation based on computer need to process high density data and complex computations. 中尺度数值天气预报模式是基于描述大气运动变化的非线性偏微分方程组,在计算机上建立的模拟未来天气要素变化的大规模运算模式,需要处理大密度的数据和进行复杂的运算。
The molar volume and compactness of glasses were calculated from the density data obtained. 根据玻璃的密度计算了玻璃的摩尔体积以及致密度。
Ultra-high density data storage study of organic electron transfer system 有机电荷转移体系用于超高密度信息存储研究
The apparent molar volumes of 1-butanol in DMF+ water mixed solvents have been evaluated from density data. 求出正丁醇在DMF+水混合溶剂中的表观摩尔体积。
This paper reports a new type of unbleached phase silver medium hologram on silver halide emulsion and its applications in character and image storage, such as high density data holographic recording, duplicating, reconstruction and printing of documents. 本文报道了一种新的非漂白相位型银全息图和将它应用在文字、图象存贮方面,包括高密度全息资料的记录、复制和显印。
The latest progress in this field is reviewed from the viewpoint of recording material and technology. Future research and development of ultrahigh density data storage is also discussed. 本文从存储材料和技术角度介绍了基于电学双稳态的超高密度信息存储最新研究进展。
On the basis of resistivity, sonic logging, density data and geology data in ODP184, there exist gas hydrates in the continental slope of the South China Sea. 根据ODP184航次的电阻率、声波速度、密度等测井资料以及地质资料,初步推断南海陆坡存在天然气水合物。
Project on neutron flux density data acquisition system with multiple space-time channels based on a microcomputer 多时空通道中子注量率密度数据采集系统方案设计
A method of enhancing the precision of linear borderline measurement is proposed, and the highest precision that the limited density data sampling can reach is discussed. 提出了在有限密度采样下提高对直线边界的检测精度的方法以及有限密度数据采样网所能达到的最高精度。
The density functional theory and statistical associating fluid theory are used to establish equation of state for binary liquid-liquid system. The parameters of segments are correlated by simultaneously fitting the saturated vapor pressure and the liquid density data. 应用密度泛函理论和统计缔合流体理论建立了二元液液界面的状态方程,通过纯流体汽液平衡时的压力数据和液相密度数据回归了非极性流体和极性流体的链节参数。
A non-uniform inversion model suitable to non-uniform density variation of formation in the Jiyuan basin can be designed using seismic velocity spectrum and known density data. Density interface inversion is conducted under the restraint of known seismic reflector and drilling data. 针对济源盆地地层密度非均匀变化的特点,可以依据地震速度谱和已知的密度资料,设计非均质反演模型,在已知的地震反射界面和钻井资料的约束条件下,进行密度界面反演。
Synthesis of metal-filled carbon nanotubes has motivated a worldwide interest due to their application potentials in the areas of high density data storage, biomedical fields, microwave absorption and shielding, etc. 金属填充的碳纳米管在高密度数据存储、生物医用领域和电磁波吸收与屏蔽等许多方面都有极好的应用前景,因而成为当前研究的一个热点领域。
Correlation for isothermal oil compressibility was developed as a function of temperature, pressure and density data. The average error for 404 compressibility data was only 2.96%. 并建立了温度、压力和密度函数的原油压缩系数关联式,其对404个数据点的平均误差为2.96%。
Use this two equations can not only reduce 60% crude oil analysis costs but also provide accurate density data for classification of crude oil. 应用这两个方程可降低60%的原油分析成本,还为原油分类提供了准确可靠的密度数据。
Analysis and application of density data of rocks from Sichuan Province 四川省岩石密度数据的分析及应用
And high density data lead to challenge with data post-processing software, hardware and efficiency. 而且庞大的数据量给数据后处理软件、硬件以及工作效率方面都带来极大的挑战。
Neural network can learn from the historical density data and discover the inherent changing laws, and store in the network specific weights and bias values to predict the future data. 利用神经网络通过对历史浓度数据进行学习,找出瓦斯浓度变化的内在规律,并将其存储在网络具体的权值和偏置值中,用以预测未来的数据。