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By incorporation of tritiated thymidine or 5-bromodeoxyuridine and using them as the markers, we found that the basal cells, Clara cells and type II alveolar epithelial cells in the pulmonary tissues may in some way behave like stem cells and can eventually differentiate into respiratory tract epithelium.

通过应用cells in induced group cultured for 2 weeks 标记的胸腺嘧啶(3H-TdR)或5-溴脱氧尿核苷的渗入进行标记，发现肺组织的基底细胞、Clara 细胞和肺泡II型上皮细胞可能具有干细胞特征，能最终分化形成气道上皮。

By incorporation of tritiated thymidine or 5-bromodeoxyuridine and using them as the markers, we found that the basal cells, Clara cells and type Ⅱ alveolar epithelial cells in the pulmonary tissues may in some way behave like stem cells and can eventually differentiate into respiratory tract epithelium.

通过应用cells in induced group cultured for 2 weeks von kossa staining）标记的胸腺嘧啶(3H-TdR或5-溴脱氧尿核苷的渗入进行标记，发现肺组织的基底细胞、clara细胞和肺泡Ⅱ型上皮细胞可能具有干细胞特征，能最终分化形成气道上皮。

Alveolar nerve block method, according to a new study in the January 2008 Journal of Endodontics.

&麻醉的选择&，但并不总是有用，在韩国南部的汉城延世大学的研究者写道。

Periodontal disease is one of the most common disease in oral cavity, which is the reason of defect of dentition second only than dental caries. It results in junctional epithelium turn root periodontal pocket emerge, tooth mobility, aversion and amotic. Among the total, the alveolar bone shrikes to root can not reversible.

牙周病是口腔常见病之一，是仅次于龋病导致牙列缺损的第二大原因，造成结合上皮根向迁移、牙周袋形成、牙齿松动、移位和脱落等病理改变，其中牙槽骨向根方的退缩是不可逆的。

The lungs of CDH fetuses were hypoplastic compared with normal controls and had thick walled septa with poorly developed saccules. In contrast, Dex and EGF fetuses showed improved mesenchymal differentiation with well-developed saccules and thin-walled septae, manifested by radial alveolar counts , mean terminal bronchiole density , ratio of pulmonary mesenchyma and that of pulmonary acinuses.

EGF组肺组织形态明显改善，表现在肺泡间隔变薄，肺泡面积所占比例明显增大，轴向腺泡计数较CDH组及Dex组均有明显增加，其平均终末支气管密度较CDH组改善明显，但仍少于正常对照组。

Demolition 1.1 The demolition of lifting mechanism 1.1.1 demolition handle pin, handle, fork rod pin, fork rod, valve pin, valve stem and stem nut locking pin; 1.2 regulate the demolition of ring 1.2.1 unloaded ring and nozzle ring adjustment screw, recording the number of alveolar nozzle ring nozzle ring used to turn to the right (anti-clockwise direction) until the stent in contact with the valve flap, recording the number of rotating shafts of the methods.

拆卸 1.1 提升机构的拆卸 1.1.1 拆手柄销、手柄、叉杆销、叉杆、阀销、阀杆锁紧销及阀杆螺母； 1.2 调节环的拆卸 1.2.1 卸下调节环和喷咀环的固定螺丝，记录喷咀环的齿槽数采用将喷咀环向右转（反时针方向直至与阀瓣支架相接触，记录所旋转的槽数的方法来实现。

To evaluate the hypothesis that Ca2 + may enhance the phagocytic ability of pulmonary alveolar macrophage, PAMs were obtained from lungs of normal rats and guinea pigs by saline bronchoalveolar lavage, and phagocytic rate and phagocytic index of PAM to Staphylococci albus were determined.

本文观察了在体外温育条件下Ca~(2+)对大鼠和豚鼠肺泡巨噬细胞吞噬能力的影响。

FRC was measured during spontaneous breathing and its values were obtained in triplicate with adequate time interval between each measurement to ensure re-equilibration to initial alveolar gas composition.

本文采用超声流量仪和六氟化硫(SF6)洗入/洗出技术，旨在测定无肺部病变的婴幼儿FRC值并观察肺炎婴幼儿FRC的变化特点。1 资料和方法1.1 一般资料 2 0

Periodontal regeneration has been challenged with chemical reagents and/or biological approaches, however, there is still no sufficient technique that can regenerate complete periodontium, including alveolar bone, cementum, and well-oriented collagen fibers.

长期以来人们一直尝试用化学及或生物学方法来再生牙周组织。

After tooth extraction wound healing of alveolar bone in men is faster than that in women with ageing.

年龄、性别对牙槽骨骨密度变化有显著影响，随着年龄的增长，男性牙槽骨愈合速度高于女性。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。