Equal channel angular extrusion is a new technology of obtaining ultra fine grain materials.
等通道转角挤压是一种新的制备超细晶粒材料的技术。
The temperature and the deformation rate are the key factors to prepare ultra-fine grain materials.
变形温度和变形速率是获得超细晶材料的关键。
Equal Channel Angular Pressing (ECAP) is an advanced technology for preparation of ultra-fine grain materials.
等通道转角挤压(ECAP)是一种制备超细晶粒材料的新技术。
Stripper harvesting can reduce the quantity of non-grain materials in the re-threshing roller and greatly cut down consumption of energy.
梳穗收获使进入复脱滚筒的非谷物量减少，功率消耗大大降低。
According to the specification recently promulgated, it is required to determine filling criteria of incoherent coarse grain materials on the basis of their relative density.
我国近期颁布的设计规范，对土石坝的无粘性粗粒坝料的要求是以相对密度确定其填筑标准。
They rarely take physical delivery of raw materials and have no effect on the actual production and consumption of metal, grain or oil.
他们很少进行原材料的实物交割，对金属、谷物或者石油的实际生产和消费没有影响。
But high grain prices may have encouraged this more than the subsidies, which have been largely offset by the rising cost of fuel, fertiliser and other materials.
但粮价上涨对产量增长的促进作用可能远大于补助金，并且很大程度上弥补了上涨的燃料，肥料和其他材料的成本。
Hot pressed sintering can shorten sintering time and be beneficial to attain nano grain size sintering materials.
热压烧结可以缩短烧结时间，有利于获得晶粒保持纳米尺度的烧结体材料。
Comparing with traditional construction materials, the ceramic grain concrete possesses the advantages of smaller thermal conductivity coefficient, less weighty and better structural performance.
与传统的建筑材料相比，陶粒混凝土具有导热系数小、重量轻、结构性能好等优点。
This same WHO report informs us that when glyphosate was applied 5 to 14 days before the harvest of cereals that this resulted in significant residue uptake in the grain and plant materials.
世界卫生组织的这同一个报告告诉我们，谷物收割前5到14天期间如果施用草甘膦的话，将造成谷粒与作物材料摄取显著残余量。
In order to attain nano grain size sintering materials, we must control strictly not only sintering temperature but also sintering time.
欲获得纳米尺度晶粒的烧结体材料，不仅需要采用远低于其常规的烧结温度，对烧结时间亦应严格限制。
Intergranular fracture. Fracture of polycrystalline materials by crack propagation along grain boundaries.
多晶材料裂纹沿着晶界扩展而断裂。
Research of SEM indicates that the heterogeneity of grain size is the typical microstructure of the materials.
SEM对试样微观形貌的研究表明，晶粒大小不均匀是这种材料的微观特征。
Due to different combinations of temperature and grain size and strain rate, materials show quite novel mechanical behavior.
温度、晶粒大小、应变速率的不同组合下，材料会呈现复杂的力学行为。
It is showed that the surface roughness is mainly related with the average grain size and feed per wheel revolution for the brittle materials such as single crystal silicon.
研究结果表明，对于微晶玻璃等脆性材料，其表面粗糙度主要与砂轮的平均磨粒尺寸、砂轮速度、进给量及磨削深度等因素有关。
It is shown that the surface roughness is mainly related with the average grain size and feed per wheel revolution for the brittle materials such as single silicon.
研究结果表明，对于单晶硅等脆性材料，其表面粗糙度主要与砂轮的平均磨粒尺寸、进给量等因素有关。
The SACP technique is an effective method for analysing the orientation of individual grain in polycrystalline materials.
SACP分析技术是分析多晶材料中晶粒位向的一种有效方法。
The results show that BP artificial neural network can be used in predicting mechanical properties and grain size of materials after superplastic forming and its predicting error is less than 7%.
结果表明，BP神经网络用于材料超塑性变形后的力学性能及晶粒尺寸预测是可行的，其预测误差小于7%。
The analysis of the relation between population growth and production of grain for our country is based on historical materials .
我国人口增长与粮食生产关系的分析以历史资料为依据。
With typical intersubspecific hybrid rice combinations (IHRC) as materials, some physiological mechanisms of poor grain plumpness in intersubspecific hybrid rice (IHR) were studied.
以典型的籼、粳亚种间杂交稻组合为材料，研究了亚种间杂交稻籽粒充实不良的一些生理生化机理。
The analysis based on statistical materials shows that this change results from the movement of grain production centers from south to north.
对有关统计资料的分析表明，这一调运格局变化乃是生产地域重心由南向北逐渐推移的结果。
The oil shale can be used as construction materials, such as high grade cement filler, light concrete bone material-pottery grain and light brick materials, etc.
油页岩渣可用作建筑材料，如高档水泥填料、轻质混凝土骨料陶粒及轻质砖材料等；
Various properties of coarse-grain WC powder are described, as well as the alloys made by coarse-grain WC powder and its uses of all kinds in hard-surface materials.
评述了粗晶碳化钨粉的各种特殊性能，列举了用粗昌碳化钨粉制成的合金及粗晶碳化钨粉在硬面材料中的多种多样的用途。
They rarely take physical delivery of raw materials and have no effect on the actual production and consumption of metal, grain or oil.
他们很少对原材料进行实物交割，因此并没有对金属、谷物和原油的实际生产和消费产生什么影响。
The distributions of grain concentration are measured in experiments conducted with light materials.
用轻质塑料沙进行试验，得到颗粒浓度沿深度的分布。
Recrystallization and grain growth process is one of the most important physical metallurgical processes to produce metal materials.
再结晶和晶粒长大过程是制作金属材料最重要的物理冶金过程之一。
Coarsening grain and intercrystalline network ferrite depress crack growth resistance of the materials strongly and result in unstable propagation of crack very easily.
晶粒粗大及晶间网状铁素体强烈降低材料的裂纹扩展阻力，并极易导致裂纹的失稳扩展。
Technologies will be actively popularized to lower grain production costs, reduce the waste of materials and improve grain production efficiency.
积极推广降低粮食生产成本的技术，减少物资消耗，提高粮食生产效益。
Technologies will be actively popularized to lower grain production costs, reduce the waste of materials and improve grain production efficiency.
积极推广降低粮食生产成本的技术，减少物资消耗，提高粮食生产效益。
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