气道

AIM To investigate the effects of low-dose pethidine, a μ-opioid receptor agonist on cigarette smoke-induced acute airway smooth muscle constriction and inflammatory reaction in guinea pigs.

目的 研究小剂量阿片受体激动剂哌替啶对香烟烟雾吸入引起的豚鼠急性气道收缩反应和炎性反应的影响。

OBJECTIVE To investigate the delayed responses after acute smoking, we observed leukocyte and nitric oxide in BAL fluid in guinea pigs; and to further investigate the inhibitory effect of low-dose pethidine against the delayed response.

目的 以支气管肺泡灌洗液中NO水平和白细胞为指标，观察豚鼠定量吸烟后肺、气道的迟发性反应；以及很低剂量的哌替啶对这些反应的抑制作用。

OBJECTIVE To investigate the delayed responses after acute smoking, we observed leukocyte and nitric oxide in BAL fluid in guinea pigs; and to further investigate the inhibitory effect of low-dose pethidine against the delayed response.

目的以支气管肺泡灌洗液中NO水平和白细胞为指标，观察豚鼠定量吸烟后肺、气道的迟发性反应；以及很低剂量的哌替啶对这些反应的抑制作用。

Not only do the onsets of allergic-rhinitis and asthma symptoms often coincide (within 1 year), but also nasal challenges with SAR allergens can induce airways hyperreactivity.

过敏性鼻炎和哮喘不仅表现的症状相同，而且SAR的过敏原能引起气道高反应性。

According to the results of measurements, the effect of geometric parameters of inlet valve seat on the air motion in the inlet port is found obviously. It is also proved according to the calculations of two-dimension model of a steady intake flow.

在研制低涡流比进气道时发现，气门阀座结构对进气流动性能影响较大，对进气道内二维稳态气流模拟计算的结果可从理论上进一步证实了试验的结论。

Numerical simulation for impact of velocity and annular space eccentricity on prop-carrying capability of foam fluid

目的通过对240例毛细支气管炎患儿的潮气流速容量曲线的测定，以探讨毛细支气管炎患儿气道阻力的变化规律。

Methods The effect of the two ventilation modes on respiratory mechanical markers including peak inspiratory pressure, mean air way pressure and circulatory index and blood gas parameters were observed and recorded by self-comparison when mechanical ventilation treatment were applied in 22 patients with severe ARF.

22例严重急性呼吸衰竭患者机械通气治疗中采用自身对照方法观察PRVC与VC两种通气模式对呼吸力学指标吸气峰压、气道平均压和循环血气指标的影响。

Conclusions(1) BLM induced the morphological changes and reduction of cell viability in BECs.

2博莱霉素可诱导气道上皮细胞NF-κB信号的活化。

Secondly , when you sleep sideways , along with the head turning , your ears fall in the guarding ear hole accurately , thus avoid the ears curling up forwards and suffering from pain and distortion.

其三，当您平躺时，使您处于颈部高，后脑勺低的体征，将巧妙地打开您的气道空间，呼吸畅通无阻，有效的预防打鼾和呼吸暂停的危害，及影响他人睡眠的烦恼。

Background: There was now evidence that not all asthmatics are attributable to eosinophilic airway inflammation.

研究背景：近年来有研究表明，哮喘不是所有患者气道局部都是以嗜酸性粒细胞(eosinophil，EOS)为主的慢性炎症。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐