查询词典 bulk density

The dry density is the index that represents the density extent of soil body, so there is a relation between the amount of frost heaving and thaw-settlement and soil average dry density.

而土体的干容重是表征比重一定的土体，土颗粒松散程度的指标，因此土体的冻胀和融沉量和土体的平均干容重之间产生了联系。

The normal control group, hyperlipidemia model group, high dose of perilla seed group (2.5 g/kg), low dose of perilla seed group (0.83 g/kg) were designed to measure the contents of total cholesterol, three acids glyceride, high density lipoprotein cholesterol, low density lipoprotein cholesterol, very low density lipoprotein cholesterol and malondialdehyde, superoxide dismutase activity.

方法］采用高脂饮食建立鹌鹑高脂血症模型，分别测定正常对照组、高脂模型组、紫苏籽高剂量组(2.5g/kg)、低剂量组(0.83g/kg)血清中总胆固醇、甘油三脂、高密度脂蛋白、低密度脂蛋白、极低密度脂蛋白、丙二醛含量及超氧化物歧化酶的活性。

By CT scanning,it is light density mostly with,but only small department has no average density;Its border is sharp with outer plate deletion mostly,inner plate changes gracile,and it is found partition and high density blotch in expansion on bone matrix defect area.

结果 6例患者，均单发；X线为圆形或类圆形软组织密度骨质缺损区，边界清晰；CT表现为病灶密度不均匀，以等密度为主，膨胀性颅骨破坏区边缘锐利，外板部缺失，内板变薄，内有高密度斑点及分隔。

Result enunciation:The different density of the nourishment liquid is Peperomia obtusifolia to take root in number and a fresh and heavy performance functions,the water、1/2 nourishment liquids distinguish to express the result best;The different density of the hormone to take root number and a density for fresh and heavyly handlin...

结果表明：用不同浓度的营养液处理豆瓣绿，以1/2营养液生根效果最好，达13.3条，根鲜重达0.093g/棵，清水次之；用不同浓度的生长激素处理豆瓣绿，以30mg/L浓度的3-IBA生根效果最好，生根数达16.5条，根鲜重达0.132g/棵，10mg/L次之；在营养液与激素的互作处理中，清水与30mg/L激素、全营养与10mg/L激素的互作处理分别对豆瓣绿的生根数与根鲜重表现较优。

It is using Neural Network that the hypha density, total sugar density and product density, is estimated by pH and dissolved oxygen.

本文采用神经网络方法，通过pH、溶氧这两个参数来估计菌丝浓度、基质浓度和产物浓度。

First,we deprived probability density of median closely according to probability density formula of Laplace distribution,from general to special; then we proved the unbiasedness of L 1 estimation according to probability density of median.

笔者基于误差分布理论及概率统计理论，由Laplace分布的概率密度函数公式出发，采用由一般情形到特殊情形的推理方法，严密地推导

This conclusion makes it clear that there is mathematic relationship between parameter ellipsoid and latitudinal density , and we have full reasons to do research on latitudinal density and latitudinal density anomaly.

这样就将不久前提出的"参数椭球"与"纬向密度"联系在了一起，使得水准椭球的纬向密度成为一种数学必然，为研究地球的纬向密度及纬向密度异常找到了充分的理由。

The structural and mechanical properties of ring-spun yarn have been studied comprehensively. The relationships between yarn linear density, yarn twist, and the relative yarn structural and mechanical properties have been obtained. Through statistical analysis of yarn linear density, twist, and strength of 200 groups of pure cotton yarn, and considering some influence factors, such as carded or comed, application of long-staple cotton, experiential functions of yarn relative strength with yarn linear density and twist have been obtained.

对环锭纱结构力学性能进行系统研究，得出环锭纱的相关力学性能参数与纱线线密度和捻度的关系；通过对从工厂收集的200组纯棉纱线线密度、捻度、强力等数据的统计分析，并综合考虑纱线线密度、是否精梳、是否使用长绒棉等因素，得出了线密度和捻度与纱线强力相对值的经验函数关系。

And the 4 cases demonstrated the high density, fragment of the femoral head and cystic lucency zone in the high density area and mixed density could be seen in 3 cases.

CT扫描20 例，平扫均表现为股骨头形态塌陷，其中显示高密度硬化4 例（占20%），股骨头碎裂，显示高密度区内有不规则透亮区，呈高低混杂密度改变有3 例（占15%）。

Considering the bit density of magnetic disk an order of magnitude higher than the track density for a long time, the track density of magnetic disk is the bottleneck problem in expanding the capacity of magnetic disk.

长期以来，磁盘的位密度一直比其道密度高一个数量级，大幅度地提高磁盘的道密度是制约磁盘容量提高的"瓶颈"问题。

In this new architectural plan the Garden of Golgotha came to be at the centre of the new city.

Aelia 是高举他自己，并在此城内朝拜罗马诸神。

The continuous nature of peat accumulation means that terrestrial coaly rocks may provide a higher resolution and more complete record of base-level change than the time-equivalent shallow-marine strata, thus enabling the identification of highfrequency cycles that are not recorded in themarine strata.

泥炭积累的持续性质的手段，陆地coaly岩石可提供较高的分辨率和更完整的记录基准面变化的影响时，相当于浅海阶层，从而使确定的高频周期，不记录在themarine 阶层。