但是什么大小和形状的纳米颗粒的效果最好且生产成本低？
But what size and shape of nanoparticles is most effective and can be produced cheaply?
这种形状具有低阻力，尽管它是坏不稳定。
那种高船尾低船头的形状，那种扇形的轮廓，还有顶端形成一条美丽弧线的桅杆。
That sweep down to the bow, the fan in profile, with the masts that create this beautiful arc along the top.
软木砖采用栓皮栎树上锯下来的各种形状和大小的软木颗粒、混合低挥发粘合剂制成。
Cork granules, in various sizes and shapes, are shredded from the cork oak trees and then mixed with a low-VOC and inert binder.
第一个迹象出现，他们都是灰尘滚滚云层，然后在地平线低，形状丑陋清晰可见。
The first sign of their appearance are the billowing dust clouds, and then over the horizon the low, ugly shapes are visible.
实际上，坡跟鞋也有高跟和低跟之分，我们只是按照鞋跟的形状和长度定义其是否为坡跟。
In fact, wedge heels range from low to high, it's the shape and the length of the heel that classify it as a wedge.
在低反射率区域中，利用目标的形状、拓扑关系和目标与背景的灰度分布完成桥梁兴趣区检测。
By analyzing targets' space distribution, shape and gray characteristic in low-reflection area, the Regions Of Interested (ROI) are detected.
提供能够以尽可能低的载荷制造鼓出部为弯曲形状的镦锻加工品的镦 锻加工方法。
The present invention provides an upsetting method capable of manufacturing, by a minimum load, an upset article having swelled parts formed in a bent shape.
低 温换热段肋片形状和肋片上的均压孔有利于烟气均匀流动和冷凝液的排除；
The shape of the rib of low-temperature heat transfer section and balanced holes on the rib are beneficial to homogeneous flow of flue gas and discharging of condensed fluid.
研究了低碳球铁中球状石墨的内部结构及核心形状，探讨了核心形状对石墨球化的影响规律。
Most nuclei with spherical or near spherical shape can grow up into spherical graphite, while nuclei with no regular shape can hardly grow.
该算法的一个简单的模型，低复杂度，收敛速度快和障碍物的形状没有限制。
This algorithm has a simple model, low complexity, rapid convergence and no restrict on the shapes of obstacles.
它可以旋压各种不同形状的零件，具有加工效率高、劳动强度低、无须进行切削加工等特点。
It can be used to spin form parts of different shapes and is characterized by a high machining efficiency, low labor intensity and requiring no...
研究了低碳球铁中球状石墨的内部结构及核心形状，探讨了核心形状对石墨球化的影响规律。
Through the study on both the internal structure and the nucleus shape in low carbon ductile iron, influencing regularity of the nucleus shape on the graphite spheroidization has been discussed.
它可以旋压各种不同形状的零件，具有加工效率高、劳动强度低、无须进行切削加工等特点。
It can be used to spin form parts of different shapes and is characterized by a high machining efficiency, low labor intensity and requiring no metal cutting ope...
肽链加热打开之后，将其置于低pH值环绕或用尿素处理，再折叠到原来的形状，这个过程叫做复体。
After the peptide chain has been unfolded by heating, by exposure to low pH, or by treatment with urea, it will often spontaneously refold to the native form, this sequence is called renaturation.
具有互换性高、制造工艺与几何形状无关、周期短、成本低、设计制造一体化的优点。
This technology has many advantages such as high interchangeability, manufacturing process can ignore the geometry, short cycle, low cost, integrated design etc.
针对河流遥感图像形状类型人工图像解译效率低，提出了河流图像自动识别分类方法。
Due to low efficiency of river channel remote sensing images artificial interpretation, river classification of image recognition system was proposed.
瓦楞形状为国际通用UV形，经精心设计，缩纸率低，压制出的纸板质量好，强度高。
UV type is selected for corrugated rollers, which are elaborately designed with lower take up ratio and high cardboard intensity.
当太阳升得低的时候，形状是长的。
当太阳升得低的时候，形状是长的。
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