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1)  macropore diameter
大孔孔径
1.
Study of the effect of macropore diameter on the formation of the bone-like apatite in the carbonate-contained HA/β-TCP ceramics;
大孔孔径对含CO_3~(2-)的双相HA/β-TCP多孔陶瓷表面类骨磷灰石形成的影响
2)  large-diameter deep hole
大孔径深孔
1.
The problems in slope and its construction of old surface mine are analyzed,the presplitting blasting parameters suitable for large-diameter deep hole of surface mine are determined in practice based upon the analysis of mine rock breaking principle.
分析了老龄露天矿山的边坡和边坡施工中存在的问题,通过对爆破过程中矿岩破碎原理的分析,在实践中确定了适合露天大孔径深孔爆破条件的预裂爆破参数。
3)  Large diameter borehole
大孔径炮孔
4)  large-diameter Boring
大孔径钻孔
5)  large aperture
大孔径
1.
Meanwhile, the following steps should be taken including the revision of the standard index, the increase of perforator evaluation types, an introduction to the evaluation scheme of large aperture and high.
通过对SY/T5128《油气井用射孔器通用技术条件》的应用分析,结合射孔器产品的技术发展,并对按APIRP19B要求制作的混凝土靶试验对比验证,对该标准指标进行修订,增加射孔器评价品种,引进了对大孔径、高孔密射孔器的评价方案,规范了产品命名和术语,并应用计量抽样和计数抽样两种评价方案对射孔器评价,以求正确评价射孔器性能。
2.
To ensure the quality of large aperture and deep perfusion stake foundation construction, a series of steps are taken according to the key working procedure or where quality problem may happen incidentally, so as to have good effect.
为了保证大孔径,深灌注桩基础施工的质量,针对关键,易出质量问题的工序,采取了一系列措施,获得了较好的效果。
3.
The principle of the system of interferometer in large aperture image spectrometer has been expatiated.
提出了大孔径干涉型成像光谱仪的原理,并展示了攻关样机和实验数据。
6)  Big hole
大孔径
1.
This paper deals with the design, research and application of a kind of new technique on the big hole perforation in oil well and forming fissure in oil layer.
论述了一种大孔径射孔造逢新技术的设计、研究及应用 ,该技术特别适用于稠油常规开采。
补充资料:第二孔(继发孔)型缺损


第二孔(继发孔)型缺损
ostium secondary defect

是心房间隔在形成上发生障碍,一般缺损较大,多在卵圆孔附近称第二孔(继发孔)型缺损。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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