Generally, such gas reservoir rock is in the uncompacted state, and their variation with pressure and petrophysical parameters is very different than normal pressure gas reservoir system.
这类气藏储集层岩石一般处于欠压实状态，岩石物性参数及其随压力的变化规律和正常的压力系统气藏相比有很大的差异。
Predictions have been made and compared with experimental data pertaining to the centerline velocity decay and wall static-state pressure variation.
预测了壁面压强和轴心速度分布，并与实验数据进行比较，计算值与试验值吻合很好。
Fig. 5 shows the variation of the system specific irreversibility using R113 with the turbine inlet pressure under the same conditions used to generate the results shown in Fig. 3.
图5显示了系统具体的不可逆性的变化用R113涡轮进气压力相同的条件下用于生成图3所示的结果。
Atmospheric turbulence occurs with the variation of refraction index of atmosphere caused by random variation of atmospheric temperature and pressure.
大气湍流是由于大气温度、压强的随机变化引起大气折射率随机改变而产生的。
Objective Study the relationship between type A influenza virus genetic variation with survival selective pressure, help for the finding of possible vaccine conserved antigen target.
目的研究甲型流感病毒基因变异与生存选择压力的关系，指导保守疫苗靶位点的寻找。
The frictional resistance factor increases with the increase of the flow velocity, decreases with the increase of temperature and its variation law with the pressure is complicated.
摩擦阻力系数随着流速增大而增大，随着温度的升高而减小，而其随着压力的变化特别复杂。
The way to determine the suitable time and space interval is put forward by investigating the variation of gas pressure gradient on wall with several time and space intervals.
通过考察选取不同时间步长和空间步长时煤壁瓦斯压力梯度的变化，提出了选取合适的时间步长和空间步长的方法。
The program is utilized to calculate soil rocks dam free surface position variation and pore-water pressure distribution condition with time when the up water level position changed.
利用所编写的非稳定渗流计算程序，计算土石坝上游水位变化时自由面位置随时间的变化规律、孔隙水压力的分布情况。
With the theory of finite element method, the simulation calculation is conducted for the axial pressure distribution law, the leakage rate and the pressure variation of the seal rings.
利用有限元法理论，对密封圈的压力沿轴向的分布规律、泄漏量与压力变化关系进行了模拟计算。
Through pressure metre under embankment, the magnitude of pile-soil stress ratio and its variation with the time are measured, and the variation of pile-soil load share ratio with time is analyzed.
通过在路堤下埋设钢弦式压力盒，获得了路堤下低强度砼桩、水泥搅拌桩以及土的应力比数值随时间的变化规律，并分析了三者荷载分担比随时间的变化特性。
In this paper, acoustic-structure sensitivity is used to predict the variation of acoustic pressure with the change of structural parameters.
声学-结构灵敏度用于预测结构辐射声压随结构参数的变化，这对低噪声结构设计具有重要指导意义。
The results show that the variation of static hydraulic pressure does not significantly affect the deformation and sound absorption performance of the structure with compound cavum.
应用有限元方法计算静水压力变化下几种橡胶吸声结构的形变和吸声性能。
The packer sealing condition is valuated according to the variation of flow rate and pressure below injection flow regulator with injection pressure at the wellhead.
该技术是利用密封段密封配水器中心通道，通过改变井口注水压力来了解配水器以下的流量和压力的变化情况，判断封隔器密封状况。
It brings up the disciplinarian of sun radiation pressure affecting the variation of the MW rotation rate with analyzing actual data of MW, and designs a model to validate it.
通过分析动量轮转速实际测量数据，得出太阳辐射压力影响转速变化的规律，并利用理论分析进行验证。
With regard to the impact on machine unit economic performance of exhaust steam pressure variation a new quantitative method, I.
针对排汽压力变化对机组经济性的影响，提出一种新的定量方法——排汽压力等效热降计算法。
From the 10min variation of the greatest amplitude of air pressure at each station, the intensity and time of occurrence are well related with rainfall.
由各站气压10分钟最大振幅变化看其强度大小及出现时间都与降水有较好关系。
And the variation law of the hole collapse pressure of extended reach well along with hole Angle and azimuth mostly decided by the status of the stratigraphic in-situ stress.
大位移井井壁坍塌压力随井斜角与井斜方位角的变化规律主要由地层的原地应力状态决定。
A method of arranging orifices with varied opening area according to the pressure variation in the pipe is suggested in order to ensure the uniformity of water-distribution in the low head filter.
并提出按管内压头来改变开孔面积的布孔方法，以便保证用于低水头滤池时布水的均匀性。
Automatic control of braking pressure in Chambers with a variation of the axle load of automobiles makes improvements on the suitability of braking strength for axle load.
该继动感载阀可随汽车轴荷的变化，自动调节分泵的制动气压，以保证制动力与轴荷相适应，从而达到汽车在各种载荷的减速度下的制动稳定性。
It deduces the formula of variation of fixed thermal capacity and elastic modulus with temperature and pressure based on the actual calculation of crystal indium.
对铟晶体作具体计算，得到了定容热容量和弹性模量随温度、压强的变化关系式。
The variation of R wave amplitude has little relation with cardiac output, heart pumping function, especially with pulmonary wedge pressure.
波振幅的改变与心输出量及心脏的泵血功能，尤其是肺动脉楔压之间无明显关系。
The results show that the porosity and permeability of disturbed coals are decreased with confined pressure, and there are different variation laws in the coals with various qualities and structures.
不同煤质和不同类型构造煤有不同的变化规律。并进一步探讨了煤的结构、气体压力、气体成分等因素的作用机理。
In view of the leakage of complex formations, in which the size and shape of leakage path change with the variation of borehole pressure, the concept of "Strong cohesiveness" is presented.
针对漏失通道的尺寸、形状随井内压力变化的复杂井漏，提出了“强粘接性”概念。
The variation of seismic passive pressure coefficients increases with the increase of the magnitude of the earthquake acceleration.
随地震加速度系数的增加，地震被动土压力系数变化越明显。
The cyclic variation of the combustion pressure in the cylinder of a four-valve gasoline engine was analyzed at low speed and light load with the CB-466 combustion analyzer on the engine test-bed.
在发动机试验台上，用CB-466燃烧分析仪对四气门汽油机低速低负荷燃烧压力循环变动进行了试验研究。
The 330mw simplified unit model, running in sliding pressure condition with a large load variation is constructed by means of the mechanism analysis and data fusion methods.
该文采用机理分析和数据拟合的方法，建立330MW机组滑压运行下大负荷变化范围内的模型。
Results show that the thrust aroused from the altitude compensation capability is the cause of the non-monotone variation of nozzle efficiency with altitude at high ambient pressure;
结果表明，在高的环境压强下工作时，由塞式喷管的高度补偿能力所获得的推力是引起效率高度特性曲线非单调变化的原因；
The effects of integrated and separated intake ports on cyclic variation of combustion pressure in a four-valve gasoline engine were analyzed with a CB-466 combustion analyzer on the engine test-bed.
在发动机试验台上，利用CB-466燃烧分析仪研究了整体式和分体式进气道对四气门汽油机燃烧压力循环变动的影响。
The gravimetric observation curves at Chengdu Standard Station showed significantly annual variation period, with air pressure and ground water being main interference factors.
成都基准台的重力观测曲线具明显年变周期，其干扰因素主要为气压和地下水。
Flat fan nozzles were found to provide the most uniform spray pattern under many pressure conditions with a coefficient of variation less than 15%.
实验研究发现，扇形喷嘴可以提供最为均匀的喷雾效率，其变化系数小于15%。
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