级表面是在正常使用状态下看不到的部件表面。
B-Surface is the surface of a component that you can't see in the normal service condition.
这篇文章——纳米级表面使骨髓间充质细胞长时间保持显型和多能——发表在“自然-材料”期刊。
The paper, Nanoscale surfaces for the long-term maintenance of mesenchymalstem cell phenotype and multipotency, was published in the journal Nature Materials
在为了达到A级表面质量的小学和中学的表面，表面必须具有的G3曲率条件，在相互关系。
In order to achieve Class-A surface quality for primary and secondary surfaces, the surfaces must have G3 Curvature conditions in relation to each other.
各化学母质流向滚动中的金属或塑料基片的表面，他们互相作用，形成一层纳米级微粒网状结构。
As chemical precursors stream onto the surface of a rolling metal or plastic substrate, they react with one another to form a network of nanoparticles.
在光学上，科学家们在寻求原子级上光滑和无波的表面。
In optics, scientists look for atomically smooth and wave-free surfaces.
电脑工程师一般城之为“表面阻力”——一种显微镜级下物质粘连的现象——工程师们已经与之斗争了很长时间了。
Computer engineers talk of "stiction" -the phenomenon of microscopic components sticking together-and spend a lot of time trying to figure out ways to avoid it.
用月球表面风化层材料制造的太阳能电池阵列的建设得到极大的普及，兆瓦级的太阳能电站星罗棋布。
Millions of megawatts (terawatts) of electric power will be generated on the Moon by solar arrays that have been constructed from lunar regolith materials.
开尔文力显微镜下显示试验后的表面有带正电和负电的区域，属于微米级或者更小。
The Kelvin force microscopy scans showed that the resulting surfaces were mosaics, with areas of positive and negative charges on the order of a micrometer or less across.
随着一级空火箭和一个月球探测器分别撞击到月球表面不同的两座环形山上，美国航空航天局（NASA）的大型“双重撞月”行动在今天早晨取得了成功。
NASA's double sledgehammer shot to the moon succeeded early this morning when an empty rocket stage and a lunar probe each crashed into separate craters.
但是，这种细菌会发起反击，把金离子转化成金的纳米级粒子，这些粒子后来会在表面上接合成为花边状晶体。
But the bacteria fight back by transforming the ions into metallic gold nanoparticles that later coalesce into lace-like crystals across the surface.
利用有效电磁体产生的强背景磁场和能产生高磁场梯度的捕集表面，使得分选微米级的物料成为可能。
Using the strong background magnetic field produced by effective electromagnet and the catching surface to produce high magnetic field gradient makes the separation of micro-grade material possible.
利用自制的扫描隧道显微镜(STM)，进行了石墨表面的纳米级加工研究。
Our home made scanning tunneling microscope (STM) is utilized to study the nanolithography of graphite surface.
整个曲面屋顶被切割成无数阶梯，每一级阶梯上表面为花岗岩石材，侧面嵌植绿化条带。
All of the roof is cut into stairs which act as both stone stairs and green belt.
纳米级的磨粒冲击到工件表面，在以原子级去除的同时伴随着塑性变形的发生。
When abrasive grains impacted on the work piece surface, the top layer atomics are removed, plastic deformation appears at the same time.
根据车用发动机的实际使用工况，在不同转速及爆发压力下对其进行动力学计算，得到发动机的表面振动速度级。
According to the actual operational condition of engine, calculate dynamics with different rotational speed and breakout pressure, and get the surface vibration speed stage of engine.
本文阐述了一种基于流体二维振动的原子级无损伤超光滑表面加工技术。
A novel polishing technique based on the two-dimension vibration of fluid is put forward to obtain ultra-smooth surface without damage.
2011前半年的数据降了一级，尽管对受到监督的采购经理的调查表面九月份经济有一些回升。
Figures for the first half of 2011 were revised down a notch, though the closely watched purchasing managers' surveys suggest the economy perked up a bit in September.
采用数值模拟技术详细地研究了不同掠高的某蒸汽轮机末级前掠叶片表面等熵马赫数的分布。
The numerical simulation technique is used to investigating the isentropic Mach number distribution on the different swept height blade surfaces of a turbine last stage blades.
简要介绍了带钢表面缺陷二级检测的方法。
Two-stage-inspections method for the surface defects of rolled strip was briefly introduced.
根据实验得到的优选数据进行加工，有效地降低了表面粗糙度3 ~5级，达到了光整加工目的。
The goal of finish machining is achieved and surface roughness is reduced 3 ~ 5 grades based on experimental data.
由表面粗糙度引起的散射光的‘全积分散射’（TIS）与PSD的零级矩有关。
The "Total Integrated Scatter" (TIS) of the scattered light caused by surface roughness is found to be related to the zeroth moment of the PSD.
运用线性系统的无穷级微扰论研究了表面和多层(AB)界面系统的声子态。
The phonon states of surface and multi-film (AB) interface systems have been studied by using the infinite order perturbation theory for linear systems.
机床工作时震动小、运动控制精度高，能够轻松实现微米级的成形和高质量表面的磨削。
During operation, the machine only vibrates slightly, but can control the motion with high precision, thus able to form micron-level and high-quality grinding surface.
结果表明，这种抛光工艺能获得原子级的超光滑表面。
Results show that this process can reach surface roughness with angstrom dimension.
取得具有原子级分辨的场离子像，并对钨场离子像反映的晶体表面结构进行了分析。
The field ion image of tungsten with resolution of atomic level has been obtained and the surface structure of tungsten has been analysed.
STM由于其原子级的空间分辨能力，可以诱导表面发生高度局域化的物理或化学变化。
Due to its 'atomic resolution, STM can be used to induce the nanoscale physical or chemical change on the surface.
实验表明，该方法可实现微米级无应力加工，并且被加工表面十分光亮。
Experiments show that the method is capable of micrometer-scale machining without heat affected layers and stress, and obtaining smooth lustrous surface.
让纳米级图案缩进高科技表面经过特殊浸渍铝合金表面。
Makes nano-tech level patterned indented surface after special dipping on aluminum alloy surface.
研究表明芳香族聚酰胺和以它为基质的复合材料的表面弥散伴随有分子级水平的反应过程。
It has been found that the surface dispersion of aromatic polyamide and its composites was accompanied with reaction of the molecular level.
研究表明芳香族聚酰胺和以它为基质的复合材料的表面弥散伴随有分子级水平的反应过程。
It has been found that the surface dispersion of aromatic polyamide and its composites was accompanied with reaction of the molecular level.
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