natural density的例句大全

The results are that the landfill is radical changing and the natural density, the water content, angle of internal friction and cohesion are all normal distribution. 2.

天然密度、含水量、内摩擦角及内聚力均呈正态分布。

The 5-year study indicates that the optimal thinning treatment for 20~ 30-year-old natural birch stands is to maintain a stand density of 1 100 stems · hm-2 and the pruning intensity should not exceed 1/ 2 tree height.

5a的研究结果表明，林龄20～30a的白桦天然林最适林分密度为1100株·hm-2，修枝强度不应超过1/2树高。

The powder characteristics measured in this study include stopping angle, natural packing density, condensability and mechanical properties.

所测性能包括：安息角、自然堆积密度、粉体压缩特性和力学特性。

The effects of mica content on the properties of mica glass composite materials fabricated from recycled soda lime glass powders and natural mica powders were studied by the measurement of bulk density and the complex relationship of the bulk density with mica content were analyzed by SEM.

通过测定表观密度ρ，讨论了云母含量xm对以天然碎云母和回收废玻璃为主要原料的云母玻璃复合体性能的影响；借助于SEM观察对xm与ρ之间的复杂关系进行了分析。

Lab. study of a new cement slurry with low density from natural volcanic ash

一种新型天然类火山灰低密度水泥浆的实验研究

Along with the development of natural gas hydrate exploration in our country, starting large scale and high density temperature gradient measurement of abyssal deposit in situ can provide submarine geothermal natural gas hydrate exploration and development with more information.

随着我国天然气水合物勘探和开发的程度越来越高，开展大比例、高密度海底沉积物原位温度梯度测量可以给天然气水合物勘探和开发提供更多的海底地热信息。

In the landfill engineering, the barrier layer of cohesive soil is the natural barrier for garbage treatment, and the nature, density and thickness of cohesive soil layer directly decides whether the landfill can pollute groundwater and the degree of its pollution.

在垃圾填埋工程中，粘土防渗层是垃圾处置的天然屏障，粘土层的性质、密度、厚度直接决定垃圾填埋场能否污染地下水及其污染的程度。

The physical characteristics, such as particle distribution, granule density, bulk density, specific surface area, angle of repose and bulkiness of natural and synthetic barium sulfate were compared.

对比了天然硫酸钡（天然Ⅰ）及合成硫酸钡（合成Ⅰ）的粒度分布、粒密度、松密度，比表面积、休止角和疏松度。

spring vegetable soybean cultivating techniques for high yield and ecotypes which fits the natural ecological condition and farming system in this region have been put forward by investigating soybean variety, sowing date, plant density, fertilizer applying method in this paper.

本文通过对菜用春大豆品种、播种期、密度、施肥以及适宜生态型的研究，提出了浙江省菜用春大豆高产栽培技术和适应浙江省自然生态环境与耕作制度的莱用春大豆生态类型。

Results X-ray, CT demonstrated that the centrum natural form vanished differently the ossein density was low, and the garrulous blade swollen around the centrum.

结果X线、CT显示椎体自然形态不同程度消失，骨质密度低，并见碎骨片向椎体周围膨出。

Finite mixture model is a flexible and powerful tool for analyzing complicated phenomena, which provide an efficient method of simulating complicated density with simple structures and present a natural frame and semi-parameter structure of modeling unobserved population homogeneity and heterogeneity.

有限混合模型是分析复杂现象的一个灵活而强有力的建模工具，它提供了用简单结构模拟复杂密度的一个有效方法，给出了模拟同质性和异质性的一个自然框架和半参数结构。

Coastal cities are not only regions with frequent natural disasters, but also important regions and strategic centers with high population density and highly-developed economy.

沿海城市不仅是自然灾害频发区域，也是世界各地人口集聚、经济发达的重要区域和战略中心。

The individual spatial distribution pattern was studied by applying aggregation density index and dot distribution pattern analysis of 3 × 17 primary matrixes of its population characteristics based on field investigation into 17 plots in 3 zones with natural distribution of Paeonia ludlowii.

在大花黄牡丹自然分布的3个区域共设置17个样地，进行野外数据调查和种群统计，获得3×17的原始矩阵，应用聚集强度指数和点格局分析进行个体分布格局的判定分析。

Preliminary study of carbon density, net production and carbon stock in Natural Spruce Forests of Northwest subalpine sichuan, china

四川西北部亚高山云杉天然林生态系统碳密度、净生产量和碳贮量的初步研究

natural or synthetic polyisoprene rubber threads. determination of size and linear density.

天然或合成聚异戍二稀弹力线.尺寸与线密度测定

application of ultra - low density cement slurry of early strength property in natural gas well cementing

超低密度早强水泥浆在天然气井固井中的应用

study on optimum density about various stories of natural broad- leaved forests in northern fujian province

闽北天然阔叶林各林层合理密度的研究

density effects of natural pinus taiwanensis forest

天然黄山松林密度效应规律

the plant size was rigorously restricted by the population density, and the change of regularity followed-0.6699 power between mean weight per plant and the population density in the period of maximum biomass in the natural cutting grassland.

天然割草场上的羊草种群在生物量达最高时期，种群植株的大小受密度的制约，平均单株重量与密度之间遵循-0.6699幂的规律性变化。

after initial changes, animal density and distribution have been stabilized at a limit restricted by natural resources, predators and poachers.

在初始变化之后，由于自然资源、捕食者和偷猎者等的限制，隔离区的动物密度和分布达到一个稳定的极限值。