是最轻的结构金属。
一些结构金属和钣金制造商和钳工也可以获得熟练焊工认证。
Some structural metal and platework fabricators and fitters may also be certified as skilled welders.
我说了很多关于考试的东西，所以没多少时间，讨论结构金属。
I talked a lot about the exam so I don't have a lot of time left to talk about the structural metals.
切削是一种大批量、低成本制造纳米结构金属和合金的新颖方法。
Machining approach is a novel and low-cost technique to manufacture nanostructure metals and alloys in large volume.
本论文主要研究亚波长周期结构金属薄膜中的超传输现象和二阶非线性效应。
This thesis mainly shows the research of extraordinary optical transmission and second-harmonic generation from sub-wavelength structured metallic film.
面心立方（FCC）及六方最密（HCP）结构金属中的差排结构将有较详细的描述。
Dislocation structures in FCC and HCP metals are described in some detail.
其结构特征是相邻金属半球壳相互连接，形成具有微孔阵列的二维周期有序结构金属簿膜。
The metal hemisphere shells are connected with each other, forming the bidimensional cycle ordered structure metal film possessing micropore array.
如果我们要去月球上，我们要去火星上，我们则必须要制造，氧气，结构金属和光电材料，就在原地制造。
So, if we're going to go to the moon, we're going to go to Mars, we want to be able to produce oxygen, structural metals and photovoltaic materials from in situ resources.
根据目前的实验研究报道，这种周期结构金属薄膜通常利用聚焦离子束刻蚀工艺来获得，器件的光学响应在可见光波段和近红外波段。
In most of the experiments reported to date, the perforated metal films were fabricated by the focused-ion-beam method, and their transmission enhancement was in the visible and near-infrared regions.
来自云层的电子流与正粒子流相遇，而这些正粒子流通常来自于高而尖的结构，如金属旗杆或塔。
The stream of positive particles that meets the surge of electrons from the cloud often arises from a tall pointed structure such as a metal flagpole or a tower.
第一个结构是一个复杂的网络，好像是由巨大的金属线条组成。
The first one is an intricate network of what appears to be huge metallic stripes.
他们同样也在测试那些曾经在金属或者其他材料中被忽视的新材料和新方法，并期待将它们应用在玻璃结构中。
And they are experimenting with new materials and methods that could someday lead to glass structures that are unmarked by metal or other materials.
尽管加热这种材料的时候，氧原子被驱赶出结构中，剩下带电的泡沫使材料表现得像金属一样。
Heat the material, though, and some of the oxygen is driven out of the structure, leaving electrically charged bubbles that make the material behave like a metal.
但是在2008年，公司发现内部机身结构与机翼结合处的787的碳素纤维“翼盒”，强度不够并且需要金属翼梁的加固。
But in 2008, the firm found that the 787's carbon-fibre "wingbox", the internal fuselage structure the wings attach to, was not strong enough and needed stiffening with metal spars.
相比之下，其它超轻型物质，包括气凝胶和金属泡沫材料，分子结构都比较随意。
By contrast, other ultralight substances, including aerogels and metallic foams, have random cellular structures.
凯夫拉纤维的外面是涂铝织物和泡沫的交替层，它可以吸收并分散微小陨石体的撞击，施耐德博士说这种交替层设计可以比金属结构提供更好的保护。
Outside the straps, alternating layers of aluminized fabric and foam absorb and disperse the impacts of micrometeoroids, providing better protection than metal structures, Dr. Schneider said.
奔驰最新款的安全概念车能在事故发生时让车内金属结构产生膨胀，以形成一道比较牢固的屏障。
Mercedes’s latest safety concept car already inflates metallic structures inside the doors to create a beefier barrier.
这个薄薄的面板由1000个多孔的聚在一起的类似针状物的金属结构制成，并且在每个针状物上面都有数克的液体离子。
This thin panel is made of about 1, 000 porous metal structures that resemble needles and have several grams of the ionic liquid on them.
这个薄薄的面板由1000个多孔的聚在一起的类似针状物的金属结构制成，并且在每个针状物上面都有数克的液体离子。
This thin panel is made of about 1,000 porous metal structures that resemble needles and have several grams of the ionic liquid on them.
当拉出钻头时，横梁(上面缠有绝缘体和导体的金属结构)将它架起，形成一个新的支架。
While pulling out the drill, crossbeams (metal structures on which insulators and conductors are mounted) are attached to a new support.
站地4000平方米的国家电网馆被称为“魔盒”，为金属立方体结构，内部设计有水晶状立方体。
The 4,000-square-meter pavilion, named "Magic Box," is designed to be a metallic square with a crystal cube embedded inside.
最终美国发明家Stanford Ovshinsky与他的公司ECD Ovonics成功地制备了随机结构的金属氢合金，实现了性能改良。
Eventually Stanford Ovshinsky, an American inventor, and his company, now known as ECD Ovonics, succeeded in creating metal-hydride alloys with a disordered structure that improved performance.
这件作品由利托汉普顿·韦尔丁金属结构工程公司搭建，内墙使用了一种比普通油漆黑十倍的植绒软墙纸。
The work has been built by a structural metalwork company, Littlehampton Welding, and the interior walls are lined with a soft flock that is 10 times blacker than normal black paint.
为了预测金属会形成他们所寻找的纳米结晶质结构，Schuh博士和同事使用了把不同金属的原子混合一起的电脑模型。
To predict which metals would form the nanocrystalline structures that they were searching for, Dr Schuh and his colleagues used computer models that put atoms from different metals together.
上述两根管子最开始是接到水面“深水地平线”钻井平台的，而如今已经重新被专业人员用重质的管道连接到了附近一个叫做管汇（manifold）的金属架状结构上。
The two pipes, which originally went up to the Deepwater Horizon, have been reconnected with heavyweight hoses to a metal framework called a manifold that has been installed nearby.
这巨大的金属结构构件作为传力机构的基座。
The massive metal constructions served as a base for trial conduction.
这巨大的金属结构构件作为传力机构的基座。
The massive metal constructions served as a base for trial conduction.
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