气块

中国沿海城市的气块后向轨迹分析

An Analysis of Backward Trajectories of Air Parcel at Coastal Cities in China

结果表明，暴雨区高空的气块来自高空急流的入口区，并穿过急流中心到达急流的出口区。

The high level air parcel over the rainfall area is coming from the entrance of high level jet and passing the core of the jet to the exit region .

讨论限定在上升气块的情况。

The discussion is cast in the context of an ascending parcel of air .

大暴雨过程中与急流相关气块的三维运动分析

3-D trajectory analysis of air parcel associated with high and low level jets in heavy rain

雨区上空的辐散和200hPa高空急流出口区气块的减速运动相联系。

The high level divergence over the rainfall area is related to the deceleration of air motion .

只有气块不稳定降水运动，才是梅雨锋上大暴雨的自组织、正反馈的唯一降水机制。

Only the air-mass wet-instability precipitation movement is strong enough to cause the self-organized and positive-feedback rain gust .

当初始温度不同的二个气块混合时，结果是形成一个具有较高相对湿度的混合物。

When two parcels of air with different initial temperatures are mixed , the result is a mixture with a higher relative humidity .

北方沿海城市的72小时气块后向轨迹输送距离要比南方沿海城市远些。

The transport-distances ( the backward trajectory of 72 h ) of the coastal cities in the North are farther than that in the South .

该文讨论了大连、青岛、上海、福州、厦门和广州6个沿海城市的气块长距离后向输送轨迹。

Air parcel backward trajectories of long-range transport at six coastal cities , Dalian , Qingdao , Shanghai , Fuzhou , Xiamen and Guangzhou , are discussed .

气液两相流根据各自的特点可以分为气泡流、液滴流、气块流和分层流，其中气泡流指气体以颗粒状气泡的形式散布在液体中运动。

Gas-liquid two-phase flow may divide into the bubbly flow , the droplet flow , the slug flow and the stratified flow according to the respective characteristic .

但是，湿空气块的加速并不仅仅是湿绝热上升过程中浮力的作用，动量收支的计算表明，中尺度水平气压梯度力对气块动量的增加也有贡献。

But , the calculation of momentum budget shows that the increasing of momentum caused not only by the buoyancy force , but also by the horizontal pressure gradient force on meso-scale .

计算结果表明：较强烈的云发展（较大的气块上升速度）可加强由于气溶胶核化和云滴凝结增长造成的云滴化学的非均匀程度。

The results show that the relatively strong cloud development ( with the high updraft velocity ) can strength the difference of cloud droplet chemistry resulting from the nucleation of aerosols and the condensational growth of cloud droplets .

本文推广气块法所建立的线性对流模型，利用了流动稳定性及分岔和突变理论，建立了包含层结、局地加热及阻力等因子的非线性对流模型。

In this paper , hy generalizing the linear convection current model and using " partical method ", a nonlinear convection current model taking into consideration the atmospheric stratification , local heating and viscosity has , been set up using the theory of the flow stability , bifurcation and catastrophe .

检查燃料气橇块的操作压力。

Check the operating pressure of fuel gas skid .

油气断块成本差异分析与控制方法研究

Study on the method of oil / gas-bearing block cost difference analysis and control

我们发现需要对少量气凝胶块重新扫描。

We 've found that we needed to go back to rescan a few of the tiles .

气扳机摆块式冲击器结构分析及计算

Analysis of operation principle and design of rocker type impactor in pneumatic wrench

因此很好的理解哪些因素是影响气膜浮动块浮动特性的主要原因显得尤为重要。

So well-understanding the factors which have great influences on the sliders is necessary .

上次在天涯上面看到如果心头有气就买块肉回家剁，于是我今天也买了一块猪肝来剁，狂剁，烂成稀巴巴。

Last seen above the horizon , if not a happy heart on buying a piece of meat to go home and " chopped " So I would have bought a pig liver to be cut , cutting frenzy , junked into slurry .

上扬子台地晚二叠世礁相油气藏的断块构造控制与勘探方法建议

Control of fault blocks upon the Late Permian reservoirs of reef facies in the Upper Yangtze Platform and exploration suggestions

八五以来，辽河油田根据辽河油区复式油气藏和断块油气藏特点，实行滚动勘探开发，打破勘探与开发分阶段进行的工作模式，实现早期介入，把开发工作主动向勘探延伸。

From the eighth five-year-plane to now , according to the characteristic of multiple oil-gas reservoir and fault-block reservoir to practice the progressive exploration and development were done well .

万安盆地存在有基岩潜山型油气藏、断块型油气藏、生物礁岩隆型油气藏和背斜型油气藏四大类型。

There are four types of hydrocarbon reservoirs which are hill trap with basement rock , fault block trap , anticlinal trap and lithological-stratigraphic trap with carbonate plat - form or reefs in Wan'an basin .

本文考虑了整个对流气柱内上升气块的浮力的平均效应，从而推导出一个便于日常作对流预报用的平均不稳定能量指标S（H）。

Based on the fact that all particles in convective air columns must be lifted in the development process of convection , an average buoyant force of these lifted particles is considered in deriving a mean unstable energy index for convective forecasting which is convenient for practical use in forecasting .

伸展运动和压扭性挤压运动形成构造油气藏，伸展运动早、中期在向斜部位形成岩性油气藏，断块体翘倾运动和抬升剥蚀作用形成地层油气藏。

Extensional and transpressional movements resulted in the formation of structural hydrocarbon reservoirs . The early and middle stages of the extensional movement formed lithological reservoirs in synclines and the tilting of fault blocks and uplift / denudation formed stratigraphic reservoirs .

油气藏类型有（断裂）背斜油气藏、断裂鼻状构造油气藏、断块油气藏等。

Reservoir types are faulted / anticlinal , nose - like faulted , fault-blocked and so on .

该项研究对于进一步深入探讨生物气成因、形成条件，确定生物气模拟实验方式与条件，计算生物气资源量，建立成藏模式和选择天然气有利勘探区块均具有重要价值。

This research is of important value for further discussing the origin and formation conditions of biogenic gases , determining the method and conditions of biogenic gas simulation , accessing biogenic gas resource yield , establishing a pool-forming model and selecting targets of natural gas exploration .