利用现有方法制备铝纳米粉时易引入杂质,周期较长,产物尺寸分布均匀性较差。
When the existing method is adopted for preparing aluminum nanometer powder, impurity can be introduced easily, the period is long, and the uniformity of size distribution of the product is bad.
在铣削加工零件时,零件各部分的残余应力分布不均匀,会使工件发生变形,影响工件的形状和尺寸精度。
In the milling procedure, the distribution of stress inside material is uneven, which makes the work-piece deformed and affects shape and dimension precision.
结果表明,该方法简单方便、应力分布均匀、试验结果稳定、尺寸效应较小,是混凝土一种理想的拉伸试验方法。
The results show that it is a reasonable tensile test method characterized by its convenience, uniform stress distribution, higher stability and lower size effect.
发现随牵引速度的提高,PA 6微纤的平均直径变小,尺寸分布更均匀,力学性能也随之提高。
The average diameter of PA6 fibrils decreased with the increasing draw rate, and the diameter distribution of fibrils became narrow, the mechanical properties were improved.
线圈(31)形 成的尺寸为,在每一时间点,线圈(31)内电流都是均匀分布的。
The coil (31) is dimensioned such that the current is distributed uniformly within the coil (31) at each point in time.
并利用优化技术调整结构尺寸,使各部件中温度分布趋于均匀。
And optimization technology is used to adjust the ventilation structure dimensions, so that the temperature of each part in the machine can be well distributed.
多分区法将整个计算对象划分为多个分区,每个分区内网格分布均匀,分区间网格尺寸各不相同;
The fist one divides the whole object into many subareas, meshs in each subarea are uniform, but in different subareas are not.
计算结果表明:随平行板电极尺寸增加和激发频率提高,电势驻波效应成为影响电极间电势差非均匀分布的重要因素。
The results show that the voltage standing wave effects become the important factor affecting non-uniform voltage distribution when the electrode dimensions and excitation frequency are increased.
氢气分压一定,选择合适的氩气分压可使熔体共晶凝固时,孔尺寸、孔位置和气孔结构单元的分布最均匀。
The results show that at pure hydrogen atmosphere, the uniformity of pore size, spatial distribution of pores and por…
结果表明:名义尺寸相同而实际尺寸相差较大的磨球所磨出的粉体粒度大且分布不均匀,烧结体硬质相颗粒粗大且等轴性差,抗弯强度和硬度均较低。
It is found that the grain size of the powders milled by balls with different diameters is big, the hard phase is big too and not uniform, the hardness and bending strength are also lower.
陶瓷滤球的断面SEM形貌图分析表明,所研制的滤料气孔多且孔分布均匀、孔径尺寸小,其孔结构是三维连通的。
The results of SEM showed that the ceramic filtration balls had much little air hole distributed equably, which structure was three-dimensional.
根据传热学建立了脉冲热压焊的焊咀温度分布模型,对该模型进行分析、计算,得到了焊咀端部温度分布是否分布均匀的临界尺寸公式。
The model was analyzed and established, then the formula of critical dimension was got, which was related to the temperature distribution of heater tip.
调质处理前焊缝和热影响区中晶粒尺寸分布较为均匀,而调质处理后主要以小尺寸晶粒为主。
Before QT treatment, grain size distributions in weldment and matrix are relatively homogenous, while after QT treatment the small grains are preponderant.
结果表明:纯氢条件下气压越高,孔尺寸分布越趋于一致、孔位置和气孔结构单元分布越均匀;
The results show that at pure hydrogen atmosphere, the uniformity of pore size, spatial distribution of pores and pore-cells increases with hydrogen pressure.
二是硬磁相和软磁相均要求有晶粒细小且分布均匀的显微结构特别是软磁相晶粒尺寸尽可能达到纳米尺寸。
Another is that the hard phase and the soft phase both have microstructure with crystal grain of fine and homogeneous, and the size of crystal grain had better within magnitude of nanometer.
冷却方式会影响半固态合金坯料晶粒的大小与分布,水冷制得的合金晶粒尺寸比空冷的小2 ~3个级别,而空冷制得半固态合金坯料的晶粒分布较为均匀。
Cooling style can affect grain size and distribution. Grain size of alloy produced from water-cooling is 2 ~ 3 level smaller than that from air-cooling, but grains produced from air-cooling are even.
结果表明,碳化物分布均匀性提高,碳化物网状级别及碳化物带状级别降低,奥氏体晶粒尺寸减小。
The experimental results show that the uniformity of spherical carbide can be increased, the grade of network carbide and banded carbide can be decreased, the austenite grain can be refined.
结果表明,碳化物分布均匀性提高,碳化物网状级别及碳化物带状级别降低,奥氏体晶粒尺寸减小。
The experimental results show that the uniformity of spherical carbide can be increased, the grade of network carbide and banded carbide can be decreased, the austenite grain can be refined.
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