查询词典 atomic density

In these areas is not allowed to carry out high-density building, because only for green building and ecological development of the region is the most effective way, and in here is that there will be low-density residential and other types of project?

在这些领域是不允许进行高密度的建设，因为只有对绿色建筑和生态区域发展的最有效方法是，在这里将有低密度住宅和其他类型的项目？

However, at home and abroad in accordance with the professional standards of construction planning, the scope of the existing low-rise low-density residential, there are low-rise high-density residential.

然而，在国内和国外按照专业标准的建设规划的范围，现有的低层低密度住宅，有低层高密度住宅。

In this paper, the reasons leading to poor development effects of Chaoyanggou low-permeability oilfield are analyzed, the relational expressions between recovery efficiency and well spacing density, considering the start-up pressure, are given. In the paper, the water flooding control degree, lower limit of reservoir permeability, effectively driving factor, and other parameters are studied, and their influence on the well spacing density is presented.

中文摘要：摘要：本文分析了大庆朝阳沟低渗透油田开发效果差的主要原因，给出了考虑启动压力条件下，采收率与井网密度的关系式；研究了水驱控制程度、油藏渗透率下限、有效驱动系数等参数对井网密度的影响；确定了朝阳沟油田合理井网密度界限。

The effect of pulp volume on the wear rate in lower pulp density is greater than that in higher pulp density.

矿浆浓度较低时，矿浆体积的变化对钢球磨损率的影响比矿浆浓度较高时的影响要显著。

By the lower spherical density, we calculate the packing measure of the self-similar sets. In this thesis, we get a relation between the packing measure and the lower spherical density.

对于填充测度的计算，本文从下球密度入手，在下球密度与填充测度之间建立了一个等式。

Compared to SOC density in the dry land, SOC density in paddy soils was 13 percentages higher with a lower variation coefficient between different regions.

不同用地方式下，水田耕层有机碳密度比旱地的平均高13个百分点，但水田有机碳密度的区域变异显著低于旱地。

Low-lying electronic states of the lutetium dimer (Lu2) were studied based on density functional theory using ten different density functionals together with three different relativistic effective core pseudopotentials. Relative state energies, equilibrium bond lengths, vibrational frequencies, and ground-state dissociation energies were evaluated.

用密度泛函理论方法研究了镥二聚体(Lu2)低能量电子态的性质，计算了电子态相对能量、平衡键长、振动频率以及基态解离能，考察了密度泛函性质、相对论有效势种类以及Hartree-Fock交换作用大小对计算结果的影响。

The breeding scale of hybrid snakehead (Channa argus♂×Channa maculate♀)waslarger and larger in south of China. Three important factors witch lead to low survivalrate was studied, including prey density, stocking density and cannibalism.

杂交鳢是乌鳢父本和斑鳢母本，通过杂交获得的F_1代，在苗种培育时期易发生残食现象，常使存活率大大降低，严重制约了杂交鳢大规模养殖和推广。

With the rapid development of the recording density, it is required that the magnetic head materials should have much higher saturation magnetic flux density.

硬磁盘记录密度的迅速发展，要求薄膜磁头材料具有更高的饱和磁感应强度，进而使铁基薄膜逐渐成为研究的热点。

To estimate mutual information of images rapidly and accurately is one of very important problem in image registration,which involves estimating joint probability density and marginal probability density of two images.

快速、精确地估计图像互信息是图像配准中一个非常重要的课题，它涉及到两幅图像的联合概率密度和边缘概率密度的估计。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044