无压的

Objective To observe the effect of intermission non-invasive positive pressure ventilation for chronic obstructive pulmonary disease with respiratory failure.

目的 观察间歇无创正压通气治疗慢性阻塞性肺疾病严重呼吸衰竭的效果。

The influence of hydrogen pressure on liquefaction is more significant in the presence of catalyst.

当有催化剂存在时氢压对转化率的影响比无催化剂时显著。

Productivity equation of natural gas well is established.

建立气井产能方程，初步确定火山岩气藏气井产量和无阻流量差异较大，气藏模型类型复杂多样，储层平面分布范围有限，多数压裂井附近存在不流动边界，因此，单井合理配产和控制边底水采出是高效开发徐深气田的重要手段。

As the developing trends of new gasoline standard to no - lead, low aromatics, low vapor pressure, high octane number and high oxygen content.

随着人们对环境保护意识的增强，汽油质量将向无铅、低芳烃、低蒸汽压、高辛烷值和高氧含量发展。

A series of ultrajets are developed, such as 1MD3 perforating gun, inner blind hole perforating gun, unconfined perforating gun, and so on. A series of efficient perforating technology are also optimized and assembled, such as recombination perforating, orientable perforating, tubing conveyed perforating and production string combination operation technology, and so on.

结合大庆油田薄差层的地质特征，开发出了1MD3射孔器、内盲孔射孔器、无围压射孔器等高效射孔器，同时优选配套了包括一体复合射孔工艺技术、定方位射孔工艺技术、选发射孔工艺技术等系列高效射孔工艺技术。

Swiss planning regulators favor lots of small, pokey windows, this house is anything but.

瑞士规划稳压青睐地段的小，亲爱的窗户，这家有百害而无一。

Also always check silicone rubber roller surface is not affect the normal production of scratch and Dent, abnomity high., and so on, whenever you want to repair or replacement in a timely manner.

还要经常检查硅橡胶压辊表面有无影响正常生产的划道、凹坑、碰伤等异常现象，一旦发现要及时修补或者更换。

Fruit a schizocarp, disk-shaped, fruit axis as long as or shorter than carpels; mericarps more than 15, laterally compressed and circular with a prominent ventral notch, glabrous or pubescent, 2-celled, proximal cell 1-seeded, distal cell sterile.

果一分果，盘形，果轴等长于或短于心皮；分果爿多于15，侧面压扁和圆形的有一突出腹槽口，无毛或被短柔毛，2室，下部室具1种子，上部室不育。

This paper studies the feasibility of predicting water absorption in nonglazed tiles of semidry molding using measurement of the tiles, forming pressure, firing paramter et al, and gives empirical formula.

研究了利用瓷砖尺寸、成形压力和煅烧参数等预测半干压无釉砖吸水率的可行性，并给出了实验式。

The trinomial deliverability equation can be determined based on the data of bottomhole flow pressure and gas production by using the rate multipleregression, and the open flow capacity and static formation pressure can also be derived.

为此，提出了一种精度高且计算简便的方法，不需要已知地层静压，只通过井底流压与产气量数据，利用多元线性回归方法，既可确定气井三项式产能方程，还可求得气井绝对无阻流量和地层静压。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。