脉管

The effects of pressure ratio and acoustic power on performance of the PTR have been numerically simulated.

计算提高声功和压比对脉管制冷机性能的影响。

A multicenter study by Angiology Care Units in North-Eastern Italy.

意大利东北部脉管学护病房的多中心研究。

Of, relating to, or connected with a vessel or duct of the body.

管的，脉管的身体上的管或导管的，与其有关的，或与其相连的

He laid open the vein that runs all the way up the back to the neck; he cut this vein clean away throughout its whole course, and Thoon fell in the dust face upwards, stretching out his hands imploringly towards his comrades.

其时，安提洛科斯，双眼紧盯着索昂，见他转身逃跑，猛扑上去，出枪击打，捅裂出整条静脉――此管沿着脊背，直通脖端。枪矛砸捣出这一整条脉管。他仰面倒地，四肢摊展，伸出双手，对着亲爱的伙伴。

The lobule itself is surrounded by connectie tissue and has 5 to 7 clusters of essels around its edges.

小叶的周围是结缔组织，边缘围绕着5-7串脉管，有门静脉、肝动脉和胆小管。

Dividing stem cells and their transit-amplifying progeny are tightly apposed to SVZ blood vessels both during homeostasis and regeneration.

来自美国和西班牙的Tavazoie等人在文章中表示，成年室管膜下区神经干细胞小生境中存在一种平面脉管从，它们具有特殊的性质。

A test rig of PTR was built and consummated. Experimental study was conducted for the co-axial PTR, which is superior in miniaturing and practical application.

建立和完善了脉管制冷机性能测试试验台；对在微型化、实用化方面有优势的同轴脉管制冷机进行了实验研究。

The process of vascularizing; the formation of vessels, especially blood vessels .

脉管形成形成血管的过程；管的形成，尤指血管

Trough analyzing the mechanism and experimental results of high frequency pulse tube refrigeration, its work progress and refrigerating effect of work tube is similar to gas wave refrigeration.

通过对气波制冷和高频脉管制冷的制冷原理和实验研究成果的分析，发现两者工作过程及工作管产生冷、热效应的规律具有相似性。

This paper introduces the principle of the pulse tube refrigeration and gas wave refrigeration which both utilize pressure energy to gain cold capacity and analyses the factors which govern the refrigeration efficiency.

简介了同时利用压力能制冷的气波制冷与脉管制冷的原理，并对影响其效率的因素进行分析，并进行了管长、转速、充排比等对其效率影响的实验研究，得出了一些有益的结论。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。