这种金属核赋予地球特有的磁场,在地球的历史上发挥了极其重要的作用。
This metallic core gives Earth its characteristic magnetic field, which has played an extremely important role in the history of our planet.
某—天大陆会降沉,而金属核却又踏上了跨越深海平原,回归到出发点的旅程。
At one time the continent will sink, and the nodule resume its journey over the deep-sea plains, toward its starting point.
就这样,金属核就像传说中的仙境之王,以一种同我们飞逝而去的生命相比令人难以置信的慢速度环游着世界。
In this way the nodule, like Oberon, can girdle the globe with a speed that is incredibly slow only for the fleeting and transitory shadow life we represent.
一位发言人声称燃料棒的金属镀层可能已经溶毁,暴露出放射性核芯。
It was possible the rods' metal cladding had melted, exposing the radioactive core, a spokesman said.
在这两种同属稀土金属的元素中,围绕原子核旋转的电子排列方式很不寻常,因此具有异乎寻常的强大磁性能。
These two elements, part of a group called the rare-earth metals, have unusual configurations of electrons orbiting their nuclei, and thus unusually powerful magnetic properties.
应用二次脉冲电流,改变电阻焊熔核的金属组织结构,达到提高焊接强度的目的。
The twice impulse process is employed to change the metallic structure of the resistance welding so as to improve the welding strength.
目的探讨利用铸造核桩加金属烤瓷全冠来修复前牙残冠、残根的优点。
Objective To repair residual crowns and roots of anterior teeth with casting post core with metal porcelain crown.
这项研究对实用领域是有益的,诸如核化学,鞣革及塑料与金属的粘接。
The studies are useful for the practical areas. such as nuclear chemistry, tanning and adhesion of plastics with metals.
鸡蛋核金属不应该防一个口袋。
Eggs and metal should not be put in the aforementioned sack.
粘固铸造好的核桩,取印模,制作金属烤瓷全冠。
Metal porcelain crowns were made, following completion of cement cast post cores and impression.
研究开发用于封存核材料的开启型防伪胶粘封记和双帽金属封记工艺及其制品。
Two kinds of double cap metallic seal and an adhesive seal are developed for the purpose of the accounting for and control of nuclear material.
介绍了银汞合金桩核、螺纹桩复合树脂桩核、铸造金属桩核、组合式桩核的制作方法和临床应用。
There are such types of pile combs as silver-mercury, thread compound, mould metal, combination. The thesis also discusses the making and the clinical application.
这些技术是核径迹染色、核孔膜复制和利用核径迹制备金属微锥。
They are coloring of nuclear track, nuclear track sheet replication and molding of micro metallic cones from nuclear tracks.
在一个实施方式中,近距离放射治疗植入粒子包括其内容纳有放射性核的密封无机金属圆筒。
In one implementation, a brachytherapy implant seed includes a sealed inorganic metallic cylinder having a radioactive core received therein.
金属包裹纳米粒子是一种纳米量级的介质球核外包裹薄金属层的纳米粒子。
A metal coated nanoparticle consists of a nanometer scale dielectric core surrounded by a thin metallic shell.
合成了一种水溶性平面双核金属酞菁衍生物,用元素分析和红外光谱对其结构进行了表征。
A kind of soluble planar binuclear metal phthalocyanine was synthesized and was characterized by element analysis and FT IR spectra.
目的说明传统的铸造金属桩核仍是修复残根残冠的重要方法。
Objective To note that the traditional pile of metal casting is still the important methods for root and crown restoration.
本文研究了淬火面心立方金属内位错环和空洞的形核和长大问题。
The nucleation and growth of dislocation loops and voids in quenched face-centred cubic metals have been studied.
纤维桩组与铸造金属桩组桩核折断各1例,差异无统计学意义(P>0.05);
There was no statistical significance (P> 0.05) of the fracture rate of post-core between fiber posts(1) and cast metal posts(1).
多形核白细胞;基质金属蛋白酶- 8;细胞凋亡。
Enterococcus faecalis; polymorphonuclear leukocytes; matrix metalloproteinase-8; cell apoptosis.
在尾气处理过程中,重金属以均匀核化、异相沉积等方式从烟气浓缩到飞灰中。
During the treatment process of flue gas, heavy metal was concentrated in fly ash by the way of homogeneous nucleation and heterogeneous deposition.
所提你提出这个深度是固体金属和液态核的边界。
So he concluded that the depth marker the boundary between the solid metal and the liquid core.
脉冲电流对金属凝固组织的作用机理主要是脉冲电流诱发形核机制。
The mechanism that the solidification microstructure can be refined by pulse current treatment is primary pulse current induced nucleation.
方法:选择牙根分叉较大的磨牙残冠残根,经完善根管充填后,制作分体栓道式铸造桩核,然后精密铸造金属全冠修复。
Methods: The residual crown and root of large furcation molars by full root-fill were chosen. Then casting anatomy bolt post-core molars are restored with finely casting full crowns.
目的:探讨铸造金属桩核在后牙牙体大面积缺损修复中应用的临床疗效。
Objective: to investigate the effect of cast post and core on the restoration of premolars and molars of extensive loss.
比较纤维桩核系统和金属铸造桩核系统修复后牙体组织的抗折裂强度和折裂模式。
Objective To compare the fracture resistance and fracture modes of teeth restored with four diferent post-and-core systems.
合成一种水溶性平面双核金属酞菁衍生物,用元素分析和红外光谱对其结构进行了表征。
A kind of soluble planar binuclear metal-phthalocyanine was synthesized and characterized by element analysis and FT-IR spectra.
本文给出了深过冷条件下金属的临界形核半径。
In this paper the critical nucleation radius of metals under the highly undercooling condition has been drawn out.
本文给出了深过冷条件下金属的临界形核半径。
In this paper the critical nucleation radius of metals under the highly undercooling condition has been drawn out.
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