Results show that the average grain size of alloys become uniform and fine with the increase of quenching speed under 20m / s while the volume fraction of α - Fe phase was increased .

结果表明，在淬速低于20m/s时随着淬速的升高Nd2Fe14B和αFe纳米晶的尺寸变得 均匀、细小，αFe相的体积 分数增加。

The results show that in-situ carbide particle exhibits fine and round morphology and uniform distribution in the in-situ steel matrix composites reaching up to 42.8 % ( volume fraction ) which results in the composites possessing excellent wear resistance .

结果表明，采用该方法制备的钢基自生复合材料中，自生碳化物颗粒细小、圆整、 且分布均匀，碳化物颗粒增强相体积 分数达到42.8%；原位自生钢基复合材料的耐磨性能优良。

In the present study densification of the fabricated section was uniform and the conversion efficiency of MTS varied from a fraction of 11 % to a maximum of 27 % .

在本研究中，制备的C/SiC部件致密度 均匀， MTS的转化率为11～27%。

It is concluded that uniform distribution SiCp / Al composites with up to 63 % high SiC particulate volume fraction can be prepared by infiltration method at low temperature and low centrifugal force for appropriate grain size proportion of particulates .

结果表明：通过适当的粒度配比，可在低温、低离心力下熔渗制备组织 均匀的高体积比SiCp/Al复合材料，SiC颗粒体积 分数可达到63%；

Based on the stochastic mechanistic model of non uniform sediment exchange near the river bed and the probabilistic distribution of fractional transport rate a new bedload formula for any fraction of non uniform sediment is theoretically developed The parameters are determined from the relations proposed by the authors .

根据近底泥沙交换的随机-力学模式及输沙率概率分布，从理论上建立了非 均匀沙任意 粒 级推移质输沙率的新公式。

The results show that the survival fraction of cells irradiated by the un - uniform irradiation field is larger than that of cells irradiated by the uniform irradiation field and the survival fraction of cells increases as the homogeneity of heavy-ion irradiation field decrease .

结果表明，受不均匀照射野照射时的细胞存活率要比受理想的 均匀照射野照射时的细胞存活 率大，均匀度越差细胞存活 率越大；

Three uniform random sequences are built by the linear congruential method of which two are used to form integer number and decimal fraction parts of the new random sequence respectively and the third to shuffle the new sequence .

采用线性同余法生成3个 均匀 分布随机序列，其中两个分别组成新的随机序列的整数和 小数 部分，第3个用来对新序列进行混洗。

GPC and agarose gel electrophoresis showed that PST-a was a uniform fraction and the relative molecular weight was 1.0 × 105 Da .

凝胶渗透色谱与琼脂糖凝胶电泳分析表明PST-a为单一组分，重均分子量为1.0× 105Da。