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In the pathological proceeding of pulmonary fibrosis, myofibroblast plays an important role, such as: the abnormal extracellular matrix deposition causing by the remarkable capability of collagen synthesis, derogation of the lung compliance owning to the contractibility of myofibroblast,secreting many cytokines,which contribute to the damage of the alveolar epithelial cells.

肌成纤维细胞在PF的病理进程中扮演着重要的角色，其胶原合成能力强可造成细胞外基质的异常沉积、具收缩性使肺顺应性下降、分泌多种炎性介质加重肺泡上皮损伤。

Changes of lung ultrastructures: The results of electron microscope showed that in group 1, there were swelling mitochondria was arranged in disorder, less matrix, and hyalomere appeared, thin double-deck membrane in 50% samples: Interalveolar septum stroma was with edema in 60% samples; Polymorphonuclear leukocyte gathered in vessel or emigrated out of vessel in 50% samples; In group 2, double-deck membranes of mitochondria were integral, densely matrix showed micro-granule shape in 90% samples; Pinocytosis in epithelial cells of type Ⅰ lung strengthened, being destroyed, and pinocytosis in endothelial cells strengthened in 10% samples; lnteralveolar septum stroma was with edema, no polymorphonuclear leukocyte gathered in vessel or emigrated out of vessel or corpuscule was empty in type Ⅱ alveolar epithelium in 20% samples.

肺组织超微结构改变观察：纯氧机械通气组50%标本线粒体肿胀、排列紊乱，基质变浅，出现透明区，双层膜变薄，60%标本肺泡隔间质水肿，50%标本多形核白细胞血管内聚集或游出血管外现象；34%氧浓度机械通气组90%线粒体双层膜较完整，基质致密呈细颗粒状；10%标本可观察到Ⅰ型肺上皮细胞有吞饮增强、破坏及内皮细胞吞饮增强；20%标本肺泡隔间质水肿；未见到多形核白细胞血管内聚集或游出血管外现象及Ⅱ型肺泡上皮板层小体排空。

A classic example of age-related reduced anesthetic requirement is the reduced minimum alveolar concentration necessary in elderly patients to produce anesthesia with either cyclopropane, halothane, isoflurane or desflurane.2 The requirement for these inhalational agents decreases linearly with patient age.

年龄相关性麻醉剂需要量减少，经典的例子是所使用的环丙烷、氟烷、异氟烷、地氟烷的 MAC 减少。这些麻醉剂需要量随年龄呈线性减少。

Methods Rabbit pulmonary alveolar macrophages were cultured in vitro. The cell death rate, the malandialdehyde, lactate dehydrogenate and superoxide dismitase contents in the cultured cells were determined at different incubation time and different dose of chrysotile asbestos for the cytotoxicity of the material.

采用体外细胞培养技术，以兔肺泡巨噬细胞死亡率、乳酸脱氢酶、超氧化物歧化酶活力及丙二醛含量变化来表示不同剂量、不同培养时间的纤状蛇纹石石棉对巨噬细胞的毒性。

Observe the bone formation and depauperation of alveolar bone by X-ray and histological examinations,using those of the extraction sockets by normal healing as control.

于术后2、4、8周分别将犬处死，取拔牙创处牙槽骨标本，行X线和组织学切片检查，观察成骨情况及牙槽骨萎缩情况。

Here is an example of diffuse alveolar damage in which the lung is diffusely firm and rubbery.

这是肺弥漫性损伤的大体标本，可见肺组织的质地变硬，有弹性。

Objective To select a suitable osteotomy method for mandibular alveolar ridge augmentation by distraction osteogenesis using TiNi-SMA distracter.

采用保留舌侧部分骨皮质的不完全截骨方式，更适于使用记忆合金牵张器的牙槽嵴增高

To determine the distribution of tolllike receptor family in sheep alveolar macrophageand the expression pattern of TLR2,4 during lipopolysaccharide stimulation.

为确定toll样受体家族在绵羊肺泡巨噬细胞的分布及脂多糖刺激过程中TLR2、4的动态表达规律。

Objective: To study the stress distribution of one segment type mono dowel implant with various length and diameter in alveolar bone.

目的 ：明确一段式单桩螺旋形种植牙的骨组织形态、硬度与应力的关系，指导种植体的设计与运用。

Objective to investigated effects of dust storm PM 2 5 and PM 10 on the phagocytosis of rat alveolar macrophages.

目的 探讨了沙尘暴PM2 5、PM10 对大鼠肺泡巨噬细胞吞噬功能的影响。

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。