With the increase of doped tungsten, the average particle size of its primary grain gets smaller.
随着掺钨量的增加，其一次颗粒的平均粒度显著变小。
The results show that, increasing cooling rate, pre-deformation and grain refinement are useful for spreading of the non-equilibrium microstructure around the primary grains.
结果表明：增加冷却速率、预变形处理和晶粒细化有利于初始凝固组织中存在的非平衡组织的分散细化。
We must protect primary farmland, keep the area sown to grain stable, improve the structure of grain varieties grown and increase the per unit area yield of grain.
要保护好基本农田，稳定粮食播种面积，优化粮食品种结构，着力提高粮食单产。
The micro grain gold can be divided into primary ore and oxidized ore according to the different working performance.
根据矿石加工技术性能，可把微细粒金矿分为原生矿和氧化矿。
The results show that primary action of bonding agent improving RDX/HTPB propellant mechanical property was bonding agent improving interface adhesive effect of RDX grain to HTPB binder.
结果表明，键合剂改善RDX／HTPB推进剂力学性能的主要原因在于它们改善了RDX颗粒与HTPB粘结剂基体间的界面粘结效能。
It is also pointed out three primary reasons that ancient grain science and technology in China didn't realize mathematization .
文章最后指出了古代粮食科学技术未能实现数学化的三条主要原因。
The amount of segregated primary silicon grains increases with increasing magnetic gradient, whereas the grain size decreases.
当磁场强度不变，随着磁场梯度的增大，初晶硅的偏聚量增加，晶粒尺寸变小。
Total grain number per spike correlated closely to fruiting primary rachis branch number and existing secondary rachis branch number.
每穗总粒数与结实一次枝梗数和现存二次枝梗数均密切相关。
The authors suggest that the primary factors of the reheat embrittlement are precipitation of coarse carbide along the grain boundary and secondary hardening in the grain.
出现再热脆性的主要原因是晶界粗大碳化物的析出和晶内二次硬化。
The propellant grain structural parametric analysis is realized in primary level.
初步实现了装药结构的参数化分析。
The results show that the grain average size and the primary and secondary dendrite arm space were obviously reduced with the increase of cooling rate.
结合实验和模拟结果，得出该合金的晶粒尺寸、一次枝晶间距、二次枝晶臂间距随冷却速率增大而明显减小。
The differences of grain setting percentage and 1000-grain weight in primary and secondary spikelets were larger in Japonica varieties than those in Indica varieties.
同一品种一、二次枝梗结实率及饱粒千粒重的差异，粳稻大于籼稻。
The primary driving force of coarse grain formation in the critical deformation region is the energy difference of distortion between both sides of grain boundaries.
临界变形区晶粒长大的最初驱动力是晶界两侧的畸变能差。
Correlationship between secondary leaf basic Angle and primary branches and 100-grain weight were negative of Liaoyan16.
辽盐16倒二叶基角与一次枝梗数、千粒重呈负相关。
Correlationship between secondary leaf basic Angle and primary branches and 100-grain weight were negative of Liaoyan16.
辽盐16倒二叶基角与一次枝梗数、千粒重呈负相关。
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