统计分析

Methods Two hundred and ninety seven middle-aged and aged females were sampled randomly from the cases who were examined in the bone mineral density measurement department of The Second Affiliated Hospital of Nanchang University from January 2004 to January 2006, and their age, stature and body weight were recorded exactly. The BMD of lumbar (L2~4), femoral neck, Ward's and great trochanter was measured by dual energy X-ray absorptiometer, then statistically analyzed.

从2004年1月～2006年1月在南昌大学第二附属医院骨密度测定室检测的就诊者中随机抽取297例中老年妇女，准确记录其年龄、身高、体重；采用法国DMS公司Challenge：双能X线骨密度测定仪检测腰椎(L2~4)、股骨颈、ward's三角以及大转子的BMD，然后进行比较和统计分析。

The direction of the relationships of the current variables is determined by a statistical method and lead to directed acyclic graph.

用统计分析的方法确定当前变量之间联系的方向，建立了有向非循环图，最后以模拟序列为例，验证了所提出的方法是可行且有效的。

Student need master theory andtechnique of botany, plant taxology, plant physiology, plant ecology, agrology, plant nutrition and fertilizer, agriculture aerography, forage and feed breeding, livestock thremmatology, statistics and so on.

在此基础上，尚需掌握植物学、植物分类学、植物生理学、植物生态学、土壤学、植物营养与肥料学、农业气象学、杂草与病虫害防治学、牧草饲料作物遗传育种学、家畜饲养学、田间试验设计与数理统计分析等学科的理论和技术。

The results showed that significant differences existed on the factor score of Neuroticism and Extraversion between the two groups of users, but no significant differences were found on the other three factors, namely, Openness to Experience, Conscientiousness, and Agreeableness.

统计分析结果表明，上述两类用户在"适应性"和"社交性"因子上的得分存在显著差异，而在"开放性""利他性"和"道德感"三个因子上的得分差异不显著。

Consequently, the PVA (1799) made by the method of low alkalinity alcoholysis was successful applied to the long-net washer .

通过对低碱醇解法PVA(1799)的粒度的统计分析，并利用实验找出其膨润程度随水温变化的趋势，从而实现了用长网式水洗机成功水洗低碱醇解法生产PVA(1799)。

Methods The ALT activities of 3 167 healthy subjects were statistically analyzed according to different gender and age groups.

对3167名健康者血清ALT活性在不同性别、不同年龄组间的分布进行统计分析。

The correlation of PCR-Acc I genotype and amylose content is 0.701**.

统计分析基因型与直链淀粉的相关系数达到0.701**。

The algorithm included three steps: Firstly, the text subregion was selected adaptively according to the feature that the edges contained in text regions was stronger than those in nontext regions; Secondly, the blank bars between two text lines were extracted by blank blocks searching; Thirdly, the skew angle of blank bar was calculated by directional fitting, and this skew angle was just the document skew angle.

该方法首先通过对梯度图像的统计分析，自适应地选取到了包含文字的特征子区；在特征子区内，论文把文字行间的空白条带看作一条隐含的线，用优化理论计算出空白条带的倾斜角度，这也就是文本的倾斜角度。

In order to find out the pureness of parental Carassius auratus Tungting and make an analysis of morphological genetic law between parent and progeny, the study sets out to test 27 parents and 32 offspring of Carassius auratus Tungting from Beiming Lake.

摘 要：为了查明洞庭青鲫原种亲本种质的纯度，进行亲本、子一代之间形态学性状遗传传递规律的分析，测定了从北民湖引入的洞庭青鲫原种亲本27尾和子一代32尾，对其7项可比性状和可数性状进行了统计分析，计算出各性状的均值、标准差、变异系数。

Based on the topographic maps drawn before and after the deep-water channel project of north pdzcassage and supported by the GIS software and correlative Stat.

采用长江口深水航道治理一、二期工程实施前后的地形资料，在G IS软件及相关的统计分析软件的支持下，分析治理工程对九段沙和横沙东滩冲淤演变的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。