他和他的团队,先培育聚苯乙烯球直到它们的直径为200纳米,再用一股强热将其硬化。
He and his team grew tiny polystyrene spheres until they were some 200 nanometres across, before hardening them with a blast of heat.
为了保护自己,它们聚成一个球形,“球”的直径达20米(见图)。
Protecting themselves from the onslaught, the sardines formed into giant balls measuring 20m in diameter (see photo).
这些恒星非常紧密地簇拥在一个直径大约150光年的球型空间里,他们在这个星团中旋转,直至生命耗尽。
These stars are packed so closelytogether in a ball, approximately 150 light-years across, that theywill spend their entire lives whirling around in the cluster.
展馆位于B片区主题馆内,展示空间主要是两条对称的螺旋状坡道,参观者可以在其顶端俯瞰直径达 32米的巨型球冠。
The pavilion is located in the Theme Pavilion building in Zone B. The top of two parallel spiral ramps offers a good view of a 32-meter-diameter globe.
展馆位于B片区主题馆内,展示空间主要是两条对称的螺旋状坡道,参观者可以在其顶端俯瞰直径达 32米的巨型球冠。
The pavilion is located in the Theme Pavilion building in Zone B. The top of two parallel spiral ramps offers a good view of a 32-meter- diameter globe.
他说,这些直径为6.5英尺的水上步行球内含可以使用90分钟的氧气。
The 6.5-foot water walking balls contain about 90 minutes worth of oxygen, he said.
这意味着它们含有直径数毫米的球形岩球(或叫做陨石球粒,chondrule)。
That means they contain spherical nodules a few millimetres across, known as chondrules.
只要改变工具电极直径,即可对不同直径的球头砂轮进行修整。
Only by changing the electrode diameter, spherical_top wheel of different diameters can be dressed.
高斯光束对标准硅球直径测量的影响分析。
Impact Analysis of Gaussian Beam on Measurement of Single Crystal Silicon Sphere Diameter.
在对回转支承进行受力分析、强度校核的基础上,对原设计作了几点改进,如加大钢球直径、增加高度、选用高级合金钢材料等。
Based on the force analysis and strength check on the gyroscopic support, the original design has been improved, such as enlarging the diameter of steel material.
这样的系统由成千上万直径两到三毫米的沸石球组成。
This consists of thousands of zeolite spheres, two to three millimetersp in diameter.
平均直径变动的调心球承也可带密封(图1.6)和一个终身油脂填充。
Self-aligning ball bearings of the mean diameter range are also available with seals (Figure 1.6) and a for-life grease fill.
近年来大直径高强度螺栓在网架结构螺栓球节点中的应用有增多的趋势。
There is a growing trend towards applications of large-diameter high-strength bolts in Mero joints of space trusses in recent years.
反之,也可根据对某一直径钢球的淬硬层深度的要求,选择具有适当淬透性的钢种。
Conversely, according to the demand of hardening depth of a certain diameter of steel sphere, a steel kind of suitable hardenability can be selected.
硅球直径和球与球的融合程度随酚的种类、浓度、硅源种类及其浓度的不同而不同;
The size and net structure depend on the kind and concentration of phenol, the donated silicon and its concentration.
磨球的冲击功与球磨机直径、转速、脱离角、磨球直径和材质有关。
Impact work of grinding ball depends on the diameter and revolutions of mill, the release Angle, diameter and materials of balls.
推球一种游戏,对阵双方试图把一个直径为6英尺(1。8米)的重球推到终点。
A game in which two opposing teams attempt to push a heavy ball, 6 feet (1.8 meters) in diameter, across a goal.
通过对光学干涉系统结构设计和元件参数选择,最大限度地优化了干涉条纹的可见度,并设计出零背景光强标准硅球直径精密测量系统。
On the basis of structure design of optical system and parameter option of optical components, the visibility of interference fringe with zero background intensity is optimized.
他说,这些直径为6.5英尺的水上步行球内含可以使用90分钟的氧气。通常水上步行球的一次上传:第八号当铺。
The 6.5-foot water walking balls contain about 90 minutes worth of oxygen, he said. A ride typically lasts five to seven minutes.
然而,半中空球对进一步深入研究超细直径硬硅钙石纤维的性能与应用造成很大的局限。
However, hollow structure is harm to the study on the properties and applications of ultrafine xonotlite fibers.
并对壳体的应变分布、胀形前后的壁厚分布及直径变化进行了测量,指出了变厚度球壳的应用前景。
The strain, thickness distribution, diameter variation are analysed, and finally the practical prospect of the technology is pointed out.
玻利安娜和西伯利亚两个品种不同等级子球的可溶性糖与可溶性蛋白质都随直径的增大表现出先升高后降低的趋势,而淀粉含量与之相反。
The soluble sugar and protein content were increased with the diameter of bulblet and then decreased which contrary to inclusion content of amylum for 'Pollyana'and 'Siberia'.
分析球面摆线各参数、钢球直径等对传动机构自锁性能的影响。
Effects of various parameters of spherical cycloid and ball diameter on the self-lock performance of the mechanism are analyzed in detail.
得出了不同品种的最小开花直径和重量以及不同级别种球大小的花蕾数。
It has gotten the minimum diameter and weight of the bulb from which the plant can bloom, and bud Numbers of different scale of bulb size.
表面含有温敏性高分子刷的聚苯乙烯微球直径随着紫外光反应时间的延长而增加。
The diameter of PS particles with thermo-sensitive brushes increased with increasing of reaction time.
在哥斯达黎加的 迪奎斯三角洲和卡诺岛发现的无数个直径从几厘米到6.6英尺的完美的石球。
They appear to be flawlessly round, ranging in size from just a few centimeters to over 6.6 feet in diameter, and are found all over the Diquis Delta and Isla de Cano in Costa Rica.
球接栏杆的立柱管直径与球直径之比约为0.6;扶手管直径与球直径之比约为0.5;横杆管直径与球直径之比约为0.4。
For the diameters ratios, the stanchions pipe to ball is approx 0.6, top rail to ball is approx 0.5, mid rail to ball is approx 0.4.
球接栏杆的立柱管直径与球直径之比约为0.6;扶手管直径与球直径之比约为0.5;横杆管直径与球直径之比约为0.4。
For the diameters ratios, the stanchions pipe to ball is approx 0.6, top rail to ball is approx 0.5, mid rail to ball is approx 0.4.
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