查询词典 helical

Purpose: To evaluate the diagnostic accuracy of the helical CT cholangiography and MRCP in patient with choledochal cyst.

目的：评价螺旋 CT 胆道造影及 MRCP 对胆总管囊肿的诊断价值。

Purpose:To evaluate the diagnostic accuracy of the helical CT cholangiography and MRCP in patient with choledochal cyst.

洪楠目的：评价螺旋CT胆道造影及MRCP对胆总管囊肿的诊断价值。

The helical CT cholangiography and MRCP can serve as an invasive and accurate method in the evaluation of the congenital choledochal cyst.

螺旋CT胆道造影及MRCP可以作为一种无创性的，准确的方法用于胆总管囊肿的诊断。

In chapter 2,we establish theformulation of the extended mean-field theory that can be applied to cholesteric liquidcrystals,and we apply this extended mean-field theory to study the helical structure ofcholesteric liquid crystals.

在第二章中，我们将文献[6]中丝状液晶中的广义平均场方法推广到了螺旋状液晶体系，并用这一方法讨论了螺旋状液晶中分子指向矢的螺旋结构。

We found that the polymer of cholic acid directives have helical conformation and rigid chain.

它的直径约为1.5 nm，而长度取决于分子量。

When end surface is neglected, the reflective energy will return to the filament efficiently if the filament is at the centre axis of the columniform lamp shell. 3 Compared with the straight tungsten filament that has a smooth surface, the helical one obtains higher absorbance which can achieve 0.6~0.7 under the actual screw pitch measurement.

当灯的管径为10 mm，而灯丝外径为1.5 mm时，节能可达12%到13%。2）对圆柱形灯外壳，在不考虑端面影响时，光源的灯丝若处于外壳的中心轴上，则反射的能量会有效地返回灯丝。3）螺旋结构的灯丝比表面光滑的直钨丝有更高的吸收率，灯丝绕成螺旋后在现行的螺距尺寸下吸收率能达到

Objective To study secondary wall formation of helical tracheary elements in the stem of Cucurbita moschata.

目的 观察南瓜茎螺纹导管发育过程中次生壁的形成过程。

The organelles, such as Golgi bodies together with small vesicles, endioplasmic and reticulum play the key role in the formation of the secondary wall of helical tracheary elements in the stem of Cucurbita moschata, though cortical microtubules are correlative with the process as well.

高尔基体及其分泌小泡和内质网等细胞器参与了导管次生壁的形成，其中周质微管也起了一定的作用。

Ifs use finger shape milling cutter or a dish of shape piece of milling cutter adopt single tooth dispart law cutting time, cans process straight teeth, skewed tooth, a garden of stud gear and bring groove double helical gear or worm gear, this moment was processed gear's dentiform then by cutting tool become shape.

若用指形铣刀或盘形片铣刀采用单齿分度法切削时，可加工直齿、斜齿、园柱齿轮及带槽人字齿轮或蜗轮，此时被加工齿轮的齿形则由刀具成形。

Altogether, roughly 67% of HSA is helical, with a remainder in turns and extended polypeptide and a large number of disulphide bridges.

它总共约有67％的螺旋结构，还含有少量的转角结构和松散的多肽链。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失