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.
用密度泛函理论计算了氧分子物理吸附在半导体型单壁碳纳米管的束缚能,能带结构和吸收光谱。
The binding energy, energy band structure and optical properties of the oxygen physical adsorption on semiconducting single-wall carbon nanotube are studied by the density functional theory.
用扫描电镜研究了铝多孔表面管的结构。
The surface structure of aluminum porous surface tube was studied with scanning electron microscopy.
碳纳米管模型的建立是用分子模拟法研究碳纳米管结构、性能、应用的基础。
The modeling of carbon nanotubes is essential to the research of their structure, characteristics and application.
发光三极管的引线框结构较为精细,产量很大,用高速冲床生产,对模具的精度和寿命要求很高。
The lead frame structures of LET(light emitting triode)are much fine and with high yields, it is for high speed punch with very high precision and life.
介绍了位置灵敏光电倍增管的内部结构、成像方法和电路,分析了用位置灵敏光电倍增管和闪烁晶体组成的数据采集电路及微机接口的设计。
This paper introduces the internal structure, imaging method and circuit of PSPMT , analyses the circuit of data acquisition with PSPMT and NaI(Tl) and the design of microcomputer interface.
用内孔焊结构代替传统的端面焊结构是提高换热器管子与管板焊接接头抗应力腐蚀和缝隙腐蚀稳定性的根本途径。
Substituting inner-hole welding construction for traditional end surface welding construction is a fundamental method for raising the stabilities of anti-stress corrosion and anti-slit corrosion.
根据毛管压力曲线资料,用分段回归的方法计算了不同孔隙结构的分形维数。
On the basis of the capillary pressure data, the fractal dimension of pore structure was calculated by using subsection regression method.
本文用雷诺方程推导出计算轴承压力分布的差分公式;并以此为依据,计算管磨机主轴承轴瓦的压力分布;并为轴瓦的结构设计提出建议。
Using Reynolds equation to derivate the formula for calculating bearing pressure distribution, then calculate pressure distribution of main bearing shell of tube mill on the basis of this formula.
方法用扫描电镜的方法观察了人胎儿菱形窝室管膜的超微结构。
Methods The ultrastructural feature of the rhomboid fossa in human fetus were examined by scanning electron microscopy.
介绍纳米材料的一些特点和性质,评述用模板法合成的各种纳米结构材料和纳米管的应用前景及最新进展。
Some concepts about nanostructures are explained, and the application and late development of nanostructures and nanotubes prepared with template synthesis method are reviewed.
方法用半薄、超薄切片、光镜和电镜下观察大鼠直肠淋巴管的微细分布和超微结构。
Methods the intramural lymphatics of rectum in rats were studied by light and electron microscopy to obtain some data regarding their fine distribution.
采用在实验室培养和用淋洗管模拟田间淋洗的方法研究聚丙烯酰胺对沙土水稳性团粒结构改良作用,对氮、磷、钾养分保肥的作用以及其合理施用量。
This paper study on the effects of PAM on improving water stable aggregate and reducing nutrients loss from sandy soil, methods of Laboratory incubation and leaching were adopted.
用扫描电镜(TEM)和X射线衍射(XRD)研究了碳纳米管的形貌和微结构。
Transmission electron microscopy(TEM) and X-ray diffraction(XRD) are employed to investigate the morphology and microstructures of carbon nanotubes.
因此,这种TrueUnion结构使得人们可以用新的阀腔更换肮脏的阀门,新旧管接螺母能够互相配合,好像永久性连接着邻近的管道上。
Thus, the True union design permits the replacement of a fouled valve with a new body cartridge, which will fit the old union nuts that are likely to be permanently attached to adjacent piping.
用热丝化学气相沉积制备了碳纳米管,并用扫描电子显微镜和透射电子显微镜研究了它们的结构。
Carbon nanotubes (CNTs) were deposited by hot filament CVD and their structures were investigated by scanning electron microscopy and transmission electron microscopy.
基于这种分析,我们设计了两种结构的透镜导管,用激光二极管阵列实验测得未镀抗反膜的透镜导管的耦合效率高达84%。
Based on this analysis we have designed two type lens ducts and the coupling efficiency as high as 84% with quasi CW laser diode array was obtained for ar uncoated lens duct.
用扫描电镜对碳纳米管水泥复合材料以及碳纤维改性水泥复合材料的微观结构进行了分析。
The mineralogy and microstructure were also investigated by using scanning electron microscope. Results show that carbon nanotubes are enwrapped by CSH.
该研究结果将为今后加热发酵料液用浸没蛇管式换热器的理论计算和结构设计提供依据。
The results can provide theoretical references for structural design of immerse coil heat exchanger of heat fermentation liquid.
进而提出了用发光二极管结构的非相干光时延四波混频测量有源介质带间和带内载流子弛豫速率的有效方案。
Furthermore, an effective experimental scheme based on the TDFWM IL structure of LED is proposed for the observation of inter and intra band carrier relaxation rates in the active medium.
焊接和无缝压延管是钢管和其他金属管的两种主要制造方法,其尺度标准既是管材制造商生产能力的主要标志,也是管道及其它结构和机械用管设计的重要依据。
The dimension standard is not only main symbol of tubular goods manufacturer, but also is the important base for designing pipeline, other structure and mechanical usage pipes.
采用焊管作为管坯 ,焊管弯曲采用专用模具热弯 ,焊接采用等离子弧焊。超塑成形采用多层模结构 ,用模具来控制波形。
Welded pipe that bended by hot bending method with a set of specific die and welded by plasma arc welding method was used as tubular blank of SPF.
内高压成形适合于制造空心变截面构件,给出了用内高压成形制造的典型结构件、空心轴类件和异形管件。
IHPF is fit for manufacturing hollow components with changeable cross-section including typical structural components, hollow axle parts and special shape pipes.
优质碳素结构钢圆管坯,高压锅炉用无缝管坯,合金结构钢管坯等均达到国标中的各项要求。
High quality carbon structural round bloom, seamless tube bloom used in high pressure boiler, alloy structural steel tube blooms are all up to the general standard.
优质碳素结构钢圆管坯,高压锅炉用无缝管坯,合金结构钢管坯等均达到国标中的各项要求。
High quality carbon structural round bloom, seamless tube bloom used in high pressure boiler, alloy structural steel tube blooms are all up to the general standard.
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