查询词典 t distribution

For finding a suitable sorbent for a-methylstyrene in the process of producing phenol from cymene, the pore structure and pore size distribution of four coconut-shell activated carbon were analyzed and characterized by different methods (BET, t-plot and BJH) according to their nitrogen adsorption isotherms.

为了筛选在异丙苯法生产苯酚工艺中吸附分离α-甲基苯乙烯的吸附剂，测定了4种椰壳活性炭材料的氮吸附等温线，并用BET模型、t图法、BJH理论等方法对孔结构进行分析与表征。

For statistical analysis data distribution curve evaluation studies and unpaired two-tailed student's t-test were used.

为统计分析数据发行曲线评估研究和无对手的two-tailed 学生的t 测试被使用了。

The feasibility of this method is proved by the result of spiral groove dry gas seal, and the distribution law of T-groove dry gas seal liquid pressure field is gained.

利用目前研究较成熟的螺旋槽干气密封有限元分析结果，验证了使用Fluent软件的可行性，然后模拟仿真并分析得出了T型槽干气密封的三维压力场分布规律。

A detailed analysis of Sehulz—Flory distribution has been given and a calculation method for growth rate and termination rate of Chain in Fischer Tropsch synthesis is presented here, Calculation method was based on experiment data and the development doesn't need to be confined by postulating mechanism.

经过对Fischer—Tropsch合成产品分布和schulz—Flory方程的研究与分析，提出了对决定F—T合成产品分布的重要参数——链生长几率、链生长速率及链终止速率的直接计算方法。

Normal test by frequence distribution was performed on ALT results, and results distinction between genders was examined by t test.

对ALT结果的频数分布进行正态性检验，性别间结果差异的比较采用t检验。

Objectives: To study the distribution of T and B lymphocytes in gingiva in elderly patients with periodontitis, and compared with that of adult patients.

目的：观察老年牙周炎牙龈组织中T和B淋巴细胞的分布，并与成人牙周炎患者牙龈组织中的情况进行比较。

Methods: The distribution of T and B lymphocytes in gingiva were measured with histopathological and immunohistochemical methods in 15 elderly patients and 10 adult patients .

采用组织病理学和免疫组织化学方法，对15例老年牙周炎患者和10例成人牙周炎患者进行了T和B淋巴细胞分布情况的检查和比较。

Multiple reference coordinate system method was adopted to calculate the T-tube joint fluid-solid coupling and stress distribution.

采用多重参考坐标系法计算了T型管接头的流固耦合及应力分布。

A strength model of end-plate was presented by modifying the strength model of the T-stub which was set up by Kulak in 1987 and by presenting two hypotheses about the stress distribution on the beam section located at the connection of beam and end-plate.

对传统T形件连接强度模型作了修正，建立了端板连接节点的端板强度模型。提出了节点处梁端截面应力分布的两个假设，给出了端板屈服弯矩的近似计算方法。

Just as with t statistics, p-values can be calculated by looking up the percentile in the appropriate F distribution

和t 统计量一样，p值可以通过计算适当的F分布的分位数得到。

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。