gas head的例句大全

in a certain value of the flow, with the increase of gas pressure, velocity and head in the pipes are also linear relation.

供水流量一定的情况下，改变供气压力，得到供气压力与管道中水流流速、压力之间也呈线性关系。

cnpc, the parent company of petrochina and asia's biggest oil and gas company, has a head start as foreign firms line up to sign lucrative long-term oil deals with iraq.

许多外国公司均有意与伊拉克签署有利可图的长期石油协议，最终中石油抢得先机。该公司是中国石油（PetroChina）的母公司，为亚洲最大的油气公司。

also, the additional volume of recoverable reserves for the gas reservoir, the boosted well group and the single well is evaluated respectively after pressure-boosting stimulation. the proper procedure to control well-head pressure and the optimizing way of production declining are determined after pressure-boosting stimulation.

同时还评价了经过增压开采后，气藏、增压井组以及单井的可采储量增加量，确定了增压开采后单井合理的井口压力控制程序和降产方式。

"the block and head can not be machined flat and smooth enough to provide an adequate seal. thus, gaskets are used." the joint between the block and the head must be gas-tight so that none of the burning mixture can escape.

机器加工并不能使气缸体和气缸盖平整光滑到严丝密缝，这样就要使用气缸垫。气缸体和气缸盖之间的连接必须密封以便没有燃烧的混合气体泄漏。

identification of gas-bearing sand formation using the amplitude of head p wave

用纵波首波幅度识别砂岩气层的方法

A silicone oil bubbler provides a gas pressure head inside the growth tube at all times.

硅酮油起泡器能始终在生长管内产生一正气压位差.

Commissioner Tingting Liu Xing, head patted a gas powerless said.

关婷婷拍了拍刘星的脑袋有气无力的说道.

Is nerve gas worse than getting your head blown off by a laser missile?

使用神经瓦斯比让你的脑袋被激光导弹炸掉更惨 吗 ?

The reliabilities of casing head and gas-producing wellhead are related with the producing safety.

套管头及采气井口是完井采气井口装置,使用可靠关系到一口井长期采气的安全.

Blood samples were analyzed for ethanol, aceta-dehyde and acetate by head space gas chroma-tography using a porapak S column.

本文用顶空气相色谱法，在Porapak S柱上测定人血中乙醇及其代谢物乙醛、乙酸。

A silicone oil bubbler provides a positive gas pressure head inside the growth tube at all times.

硅酮油起泡器能始终在生长管内产生一正气压位差。

Research of Safety Technology on Well Casing and Well Head of Natural Gas Well

天然气井井筒及井口安全技术研究

Gas chromatographic analysis technique for cutting head space gas and its application in hydrocarbon exploration

岩屑罐顶气气相色谱分析技术及其在油气勘探中的应用

In addition to environmental considerations such as the need to reduce both vermin and stench, the sheeting traps methane gas, allowing it to be collected by a network of well-heads and rubber tubing.

除了需要减少害虫和臭气等环境方面的考虑，塑料布还可防止沼气泄漏，使沼气可以通过井楼和橡胶管组成的网络收集在一起。

A method of head space solid phase microextraction ( HS-SPME) coupled with gas chromatography-mass spectrometry for the determination of tetramethyllead and tetraethyllead in water sample was developed. The conditions of SPME extraction and GC-MS determination were discussed.

建立了顶空固相微萃取（HS SPME）与气相色谱质谱（GC/MS）联用测定水样中四甲基铅和四乙基铅的方法，探讨了SPME萃取烷基铅的实验条件，并对GC/MS条件进行了优化。

the driver was pressed by me to put his foot down on the gas and head for nagchukha.

我催促司机踩油门加速驶向那曲。