有管的

The microtubule cytoskeleton was investigated by using cryosectioning and indirect immunofluorescence staining in the shoot apex of Saccharum spontaneum.

利用冰冻切片法结合间接免疫荧光标记技术对割手密茎尖细胞有丝分裂过程中微管骨架的变化进行了研究。

Some dogs have a prominant medial saphenous vein which can be catheterized or sampled.

有些狗有一个突出的内侧大隐静脉，可插管或取样。

The heights and free edge lengths of cusps in the VAHCs implanted in th e 6 months were higher than those of the control VAHCs (P.05). Light micr o scopic examination of the explanted VAHCs revealed intimal and media proliferati on, cellular infiltration and valvular thickening.

组织学检查显示VAHC血管壁存在三层结构，内膜及中层轻度增厚，管壁有少量单核细胞及淋巴细胞浸润，植入成年兔体内6个月的变化最为明显。

Peripheral ring-type, tortuous beaded shape or serpiginous tubular shape enhancement were found in 8 cases. After analysis of follow-up MRI for 7 cases, a change in location and shape of lesions was found in 2 cases.

结果：增强扫描12例，病灶均显示强化，8例病灶呈环形、串珠状或匐行管状强化。7例MRI复查发现2例病灶强化的位置及形态有改变。

Among those mentioned above, ZOE has high success rate clinically, but Coll and Sadrian pointed out that, there was a 20% incidence of succedaneous tooth's ectopic eruption.

其中ZOE糊剂作为根管充填材料有很高的成功率，但Coll和Sadrian指出，有20％用ZOE糊剂根充的病例出现恒牙异位萌出的现象。

Water-soluble single-walled carbon nanotubes were prepared by successive ammonium persulfate oxidation and ammonium sulfamate chemical modification.

通过过二硫酸铵氧化和氨基磺酸铵化学修饰两个步骤，制备了在水中有较大溶解度的单壁碳纳米管。

Patients with esophageal cancer may benefit from noninasie techniques that address obstruction, dysphagia, tracheoesophageal fistula, and GI bleeding.

对有梗阻，吞咽困难，气管食管瘘，上消化管出血的食管癌病人可考虑接受非侵入性治疗。

It is also possible to develop a concrete trussed tube design.

它也有可能建立一个具体的桁架式管design。

If urethral injury is suspected, urethral integrity should be confirmed by a retrograde urethrogram before the catheter is inserted.

如果怀疑有尿道损伤，在置管前应先行逆行性尿道造影以确定尿道的完整性。

Now simply close the wire lock and you have a very durable , totally weedless tube bait .

现在关闭导线锁，并且你有一个非常耐久，完全无杂草的管诱饵。

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。