孔道

[kǒng dào]
  • 孔道
  • 释义

    a narrow passage providing the only means of access to a certain place;pass;[工] duct;drill way ;

纠错 数据更新时间:2026-04-18 12:28:25
  • 近义词
  • 反义词

  • 咽喉pharynx and larynx;guttur;strategic [vital] passage;key link;fauces ;
  • 要冲communications centre;communications hub;communications center ;
  • 要路important road/route/position;eminent position;
  • 要道thoroughfare;main drag ;
1、

Connection between the circuit components of the internal pore formed by the chip.

元件之间的连接油路由集成块内部孔道形成.

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2、

Numerical analysis of size scale, inner hole and end restraint effects of rock samples

岩样尺度、孔道及端部摩擦效应的数值分析

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3、

The color Doppler velocity demonstrated the presence of the laser channel at ( 7.0 ± 2.4) months postoperatively. The type of the channel looked like straight line, angular, chinese number of eight, hook or slanting, etc.

术后(7.0±2.4)个月彩色多普勒速度图(CDV)示激光孔道存在,孔道形状呈现直线型、角型、八字型、钩型及斜线型等多样化。

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4、

The strength of the moderator cell of cold neutron source analyzed under internal and external pressure.

冷中子孔道方管采用铝合金材料焊接而成,其作用是从冷中子源引出中子.

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5、

Water displacement recovery of model with large inscribed circle radii is improved.

孔喉半径较大的模型,水驱最终采收率较好,孔道半径越长,水驱油效果越好.

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6、

The extensional viscosity when polymer solution passing the size-varing pores is considered into Darcy viscosity, rebuilding the effective viscosity model in the Darcy Law.

把聚合物溶液通过拉伸&收缩的孔道时所表现的拉伸粘度,考虑到达西粘度中,重新建立了达西公式中的有效粘度模型。

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7、

Inject water is circulated ineffectively or inefficiently in the large number of high permeability, high water cut a convenient channel(" The large pore path").

大量的注入水沿高渗透、高含水的便捷通道(简称大孔道)无效或低效循环。

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8、

There is a hole in thethe air from the upper chamber enters the lower one.

腔筒中心有一孔道,压缩空气就是由此从上气室进入下气室的.

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9、

Calculation of Neutron Flux in SPRR-300 Reactor Irradiation Channel with MCNP Code

SPRR-300反应堆辐照孔道中子注量率的MCNP程序计算

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10、

The results indicated that the eggshell structures of four birds were much similar with other bird species, which were outer layer, spongy layer, cone layer, mammilla, shell membrane layer and pore channels through the shell from outer to inner.

结果显示,这四种鸟类的卵壳结构与其他鸟类的基本相似,由外而内依次为表层、海绵层、锥体层、乳突、壳膜层及贯穿卵壳的气孔道等。

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11、

These tunnels also serve to help the air move more easily through the soil.

这些孔道也有助于空气轻易地透进泥土里面.

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12、

In has been verified by tracer test that there are channels in some reservoirs.

示踪剂试验证实了地层大孔道的存在.

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13、

The results of the character-ization show that-( CH2) 3NH2 not only gets into the modified inner wall of mesoporous MCM-41, but also makes MCM-41 remain its ordered pore structure.

结果表明:有机基团-(CH2)3NH2不仅进人孔道、修饰了MCM-41的孔壁,而且使介孔分子筛MCM-41保持了有序的孔道结构。

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14、

The advances in syntheses of AEMs, including different cyclization methods, solid-phase synthesis, template synthesis and aggregation driven cyclization are summarized.

评述了采用母板复型法合成金属有序纳米孔道阵列模板合成方法、金属模板的特点及应用的研究进展。

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15、

Tendon Friction Coefficient Test to 60m Box Girder of Qingdao Bay Bridge

青岛海湾大桥60米预应力混凝土箱梁孔道摩阻系数试验研究

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16、

Through the analysis of experiment data, the formation process of DM could be fitted to the standard filtration model during the beginning 10~ 13 min of the DM formation, during which, pore blockage is the main factor causing the flux decreases rapidly.

通过对实验数据分析可知,动态膜形成初期10~13min,膜的形成过程可用标准过滤模型描述,在此期间颗粒堵塞载体膜管孔道,致使渗透液通量急剧减小;

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17、

Repeat with a four channel tape and the number of patterns goes up to sixteen.

若用四条孔道带,孔型数就会增加到16种.

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18、

MNK protein is a Cu2+ transmembrane pump which is formed by eight transmembrane pore region and export surplus copper from cells.

MNK蛋白是铜离子进行跨膜转运的离子泵,通过8个跨膜区域形成的孔道使铜离子泵出细胞。

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19、

Layer silicates have excellent adsorptive performance because there are structural channels in it.

在层状硅酸盐矿物中存在结构孔道,这使它具有良好的吸附性.

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20、

Influence of Prestressed Duct Type and Steel Strand Greasing on Stretching Effect

预应力孔道类型和钢绞线涂油对张拉效果的影响

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21、

This article measures the improvements in the structure of stretching channel and its distribution by means of taking the channel in position, covering friction, controlling the length of the cable and bent of bar in post-tensioned concrete girder.

对后张法预应力钢筋混凝土梁张拉孔道的构造与布局、保证孔道准确的措施、孔道摩阻和钢丝束伸长量以及钢筋构造等,进行简要论述。

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22、

Weak gel profile controlling and oil-displacing agent has comparative good selectivity on permeability, it prefer to move into high osmotic large channels and those move into low osmotic channels are very little.

弱凝胶调驱剂具有较好的渗透率选择性,即优先进入高渗透的大孔道,进入低渗透部位者很少。

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23、

By controlling the condition of the anodized process, the special AAO template with branched channel structures can be formed because of the unstable growth of the membrane. This may provide a new opportunity for fabricating Y-shape or T-shape nanowires and nanotubes by using the template method.

充分利用这种不稳定生长特性,通过控制AAO模板的阳极氧化条件,可得到具有分枝孔道结构的特殊模板,这为利用模板法制备各种Y形或T形纳米线、管提供了新的发展空间。

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24、

The control system includes two parts: local control is based on a controller fixed on top of horizontal tubes;

水平孔道屏蔽门控制系统包括两部分:就地控制部分为一个控制装置,安装在水平孔道上方;

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25、

Following the compound transplantation of porous TCP ceramics with red marrow into quadriceps femoris muscle of rabbites, a huge amount of new bone and marrow formed in these sites on and in the ceramics after 4 weeks transplantation.

将陶瓷材料与红骨髓作自体复合移植于兔股四头肌肉,4周时,植入陶瓷表面及孔道内有大量新生骨及骨髓形成。

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26、

Study and Application of High Permeability, Macropore Path and Crack Properties Zone Plugging Agent-JTD.

高渗透 、 大孔道、裂缝性地层堵水剂的研制与应用.

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27、

Shielding calculation of horizontal radiation ducts using the MCNP code

用MCNP程序计算水平辐照孔道屏蔽

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28、

THY temporary plugging agent used for workover treatment adopts oil soluble resin as bridging agent.

THY修井暂堵剂是以油溶性树脂作为桥堵剂,桥堵储层孔道,在井壁形成屏敝层,从而减少修井液的漏失.

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29、

During the construction of prestressed cable tower of the second bridge on Yangtze River in Nanjing.

南京长江二桥预应力索塔施工中,预应力孔道灌浆采用真空辅助压浆新技术.

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30、

It is proved that Ni-P alloy catalyst has obvious cavity structure, and its shell exists the worm-shaped nano-scale pore structure, and facilitates the exchange of materials within and outside the cavity.

证明了Ni-P非晶态合金纳米球具有明显的空腔结构,其壳层中存在蠕虫状的纳米级孔道结构,方便了空腔内外物质的传递。

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