值分布
- 与 值分布 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In its sequence,the distribution of most defect quadrant was supertemporal,supernasal,infranasal and infratemporal.
青光眼静态阈值视野缺损最大象限的分布依次为颞上、鼻上、鼻下,颞下象限分布最少。
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Hydrothermal treatment and pH value swing could shift the micropore distribution of alumina to macroporous direction, and decreased surface areas; the surfactants addition could shift the micropore distribution of alumina to microporous direction, and increase surface areas.
其中pH值交替变动和水热处理使氧化铝微孔分布向大孔方向迁移,比表面降低;加入表面活性剂使氧化铝微孔分布向小孔方向迁移,比表面增加,制备出了低比表面≤150平方公尺g^(-1和高比表面≥250平方公尺g^(-1的大孔容氧化铝载体。
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The improved Pareto multi-objective optimization with GA adopts non-dominated ranking, elitist preserve and niche approaches, and proposes individual vector module adaptive function as wash out rule. As an example, two duality functions are used to validate the two algorithms.
通过两个多元函数的最小值优化算例验证,两种方法均获得较为均匀分布的Pareto前沿,并且改进的Pareto遗传多目标优化算法由于采用了小生境技术,使得最优解的分布更加均匀,避免了局部收敛的问题。
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The thesis discusses three eigenvalues individually and explains the pressure wave propagation of three modes, includes wave speed, wave decay and energy distribution. Since the elastic potential energy occupies more than 98% of mechanical energy in the arteries, which is larger than 2% of kinetic energy of flowing blood. Else join elastic wall and wall of managing having a viscid condition to analysis .
本文将个别讨论此三组特徵值,来说明三组压力波的传递模态,其中包括波速,以及波的衰减;由於在动脉的能量分布中,由管壁振动的弹性位能占了98%,远超过血液本身流动的2%,再加上管的弹性模数和管壁的黏滞性再来讨论此三组模态,个别在弹性管的能量分布。
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Flow disciplinarian of different PH indicator polymer solution and newtonianliquid in annulus line had been studied, and found speed distributing, vortex,streamline of annulus line, analytic flow field distributing in annulus and eccentricsituation and compared the results with prevenient schloar, some results different fromprevenient results are get, shch as the relation of average velocity and maxiumvelocity is not less with the viscosity exponent under the annular line, the fluid speedaffect the relation.
应用 PIV 分别研究了不同浓度的聚合物溶液以及牛顿流体在垂直环空管道中的流动规律,得到了环空管道中流体的速度分布情况、涡量情况、流线情况,分析了同心和偏心情况下环空管道内的流场分布规律,并与前人的计算结果进行了比较,得出了一些与以前不同的结论:同心情况下平均流速与最大流速的关系,并不是完全与粘性指数 n 值有关系,还与管道内流动的流动速度有关系,当速度较小时,两者的差别就小,速度大时,不符合这种规律。
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In the lower altitude of arid regions of China, with the change of landscape prairie, semi desert to desert, so were the relative distribution patterns of groups of distributional units, where hygrophilous species declined and xerophilous species increased.
基于GIS技术,以面积约为6 470 km2 的766个栅格收集我国干旱地区啮齿动物的二元分布数据,采用多元分析的分层聚类方法,依据欧氏距离平方值,将地理分布单元划分为若干个组。
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The procedure is as follows: First, the haze area is recognized by using band statistic values, Second, the remote sensing image is classified by using unsupervised classification, then the aerosol optical depth distribution is calculated by comparing the radiation values in haze and clear areas, Finally, the image can be atmospherically corrected by using MODTRAN model.
首先,结合SPOT 5各波段的统计特征,从影像上识别出模糊区;然后,对影像进行非监督分类,对同一分类区内像元在模糊区和清晰区的辐射值进行比较,计算出气溶胶空间分布;最后,将气溶胶分布输入MODTRAN模型中,对影像进行大气校正。
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This project was conducted starting with the three interrelated subjects the structural characteristics of desertification landscapes in different bioclimatic zones, desertification driving factors and their function mechanism, and the dynamic model of landscape space for the occurrence and development of desertification in representative desertification regions and on the basis of in-depth studies of the relations between landscape structural characteristics and processes of desertification and their stability; the driving force of different time-space scales of desertification and their proportion, manifestation form, and action mechanism in the desertification processes; and the establishment of threshold conditions for the surface wind erosion and has achieved important progress in the definition of desertification conception
本课题从三个相互联系的专题(即不同生物气候区荒漠化景观的结构特征、荒漠化驱动因素及其作用机理、典型荒漠化地区荒漠化发生与发展的景观空间动力学模型)入手,在深入研究荒漠化景观结构特征与过程的关系及其稳定性,不同时空尺度的荒漠化过程驱动力及其在荒漠化过程中所占比重、表现形式及作用机制,地表风蚀临界条件的确定等内容的基础上,虽未建立荒漠化景观空间动力学模型,但在沙漠化概念,末次间冰期以来沙漠化过程时间序列和特征冷暖时期沙漠、沙地空间分布格局,现代沙漠化过程中自然因素和人文因素的作用、贡献率、沙漠化土地对气候的反馈作用以及风蚀临界值,沙粒跃移轨迹参数和能量分布,我国沙漠化防治思路和对策,沙尘暴区划和沙尘暴指数等方面取得了重要进展。
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Results showed that during heel strike, calcaneal stress distribution was transferred gradually from calcaneocuboid joint nearby to posterior calcaneus. Thus, the mean von Mises stress was around 30 ~ 180 KPa.
分析结果显示,跟骨於足跟著地期之应力分布由跟骰关节附近逐渐往跟骨后端传递, von Mises应力分布值约为30 ~ 180 KPa。
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The frequencies of CCR5delta32,CCR2b-64I,SDF1-3′A alleles in Dai population were 0.0000,0.2130,0.2030,respectively;The frequencies of CCR5delta32,CCR2b-64I,SDF1-3′A alleles in Chingpaw population were 0.000,0.1637,0.1770,respectively.Distributions of the CCR2b-64I,SDF1-3′A alleles among the both populations were in accordance with Hardy-Weinberg equilibrium.No statistical difference was found in the allelic frequencies of both CCR2b-64I and SDF1-3′A between male and female individuals.
结果表明,中国傣族景颇族人群中未发现CCR5△32等位基因突变;傣族CCR2b-64I、SDF1-3′A基因突变频率分别为0.2130和0.2030,景颇族CCR2b-64I和SDF1-3′A基因突变频率分别为0.1637和0.1770;与中国汉族人群相比较,傣族和景颇族中SDF1-3′A突变频率较低(P值分别为0.0322和0.0021);两个民族的CCR2b-64I和SDF1-3′A等位基因群体分布符合Hardy-Weinberg平衡,在性别之间分布无显著差异。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力