查询词典 mean density

Methods this experiment chose seven parameter of cell nuclear, including the area and integral optical density, determined the changes of DNA content in the kidney cellule of 15 rats at different intervals between 0 and 48h postmortem with auto-TV-image system.

方法应用电脑图像分析技术，测定了15只大鼠在死后48h内不同时间点大鼠肾细胞核DNA含量的面积、等效直径（Mean－Dia，MD）、异形指数（Indexofdensity，ID）、平均光度（Average optical density，AOD）、积分光度（Integral optical density，IOD）、密度变化数（L－Den－Coe，LDC）和平均灰度（Averagegray，AG）等七项参数的变化值。

And the number of species and mean density showed seasonal tendencies.

该水域仔稚鱼的种类和平均密度具有季节性变化趋势。

Total of 118 markings of Snow Leopards were found in 27 transects, the mean density is 2.47/km.

在20世纪80年代，Schaller曾在中国西部的广大地区做过雪豹和有蹄类资源状况的调查[5，6]。

The most sensitive analysis parameter is the mean density and the highest frequency density.

晶体图像分析系统的分析指标以平均灰度和最高频率灰度最敏感。

Galaxies, for instance, are 106 times more dense than the universe's mean density.

比如星系，其密度比宇宙的平均密度要大100万倍。

The results showed that:(1) soil densi-ties of urban roadside and park forests were higher than mean density of natural forest soil.

本研究是广州城市植被的土壤、物种多样性、行道树和生态功能的综合调查。

There was a peak value during spring and summer in mean density and biomass of macrozoobenthos.

底栖动物密度和生物量在春夏之交有一高峰。

The incidence relative intensity and mean density of infection fluctuated irregularly in different month in a year.

不同月份中外栉绕宫吸虫在宿主肠道内的感染率、感染强度和种群平均密度没有明显的变化规律。

The mean density and biomass of cladocera are 0.070 ind/L and 0.002 mg/L. The mean density and biomass of copepoda are 5.155 ind/L and 0.021 mg/L. 5. Attached algae were classified into 3 Phylum 16 Genus 27 Species.

枝角类的平均密度为0.070 ind／L，平均生物量为0.002 mg／L；桡足类的平均密度为5.155 ind／L，平均生物量为0.021mg／L。

"Its mean density is only about 0.2 grams per cubic centimeter, or about the density of balsa wood," said study leader Georgi Mandushev of the Lowell Observatory in Arizona.

&其平均密度只有约每平方厘米0.2克，或者说相当于轻质木材的密度，&研究小组组长、亚利桑那州洛厄尔天文台的乔吉·曼德舍夫说，&由于该行星对上层大气的引力相对较小，很可能其中部分大气呈慧尾状而逃逸掉。&

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。