气体的

To avoid lost circulation or wellbore instability when drilling fluid circulated downhole after gas drilling, or to shorten drilling cycle and reduce drilling costs, it is recognized that the cementing quality needs to be improved further. 18 dryhole cementing jobs have been tried in 339.7 mm and 244.5 mm holes in Sichuan and Chongqing oil or gas fields and a set of technology for dryhole cementing after gas drilling is developed, including wellbore preparation, casing running, incontinuous liquid slurry injection, etc.

为了避免气体钻井结束后替入钻井液可能引发的井漏、井眼不稳定等复杂情况，缩短钻井周期、降低钻井成本，进一步提高固井质量，在川渝地区探索实践了气体介质条件下339.7 mm表层套管和244.5 mm技术套管共18井次的干井筒固井作业，基本形成了一套气体钻井后干井筒（井眼内为纯气体时的井筒简称为干井筒）固井工艺技术方案与措施。

To avoid lost circulation or wellbore instability when drilling fluid circulated downhole after gas drilling, or to shorten drilling cycle and reduce drilling costs, it is recognized that the cementing quality needs to be improved further. 18 dry-hole cementing jobs have been tried in 339.7 mm and 244.5 mm holes in Sichuan and Chongqing oil or gas fields and a set of technology for dry-hole cementing after gas drilling is developed, including wellbore preparation, casing running, incontinuous liquid slurry injection, etc.

为了避免气体钻井结束后替入钻井液可能引发的井漏、井眼不稳定等复杂情况，缩短钻井周期、降低钻井成本，进一步提高固井质量，在川渝地区探索实践了气体介质条件下339.7mm表层套管和244.5mm技术套管共18井次的干井筒固井作业，基本形成了一套气体钻井后干井筒（井眼内为纯气体时的井筒简称为干井筒）固井工艺技术方案与措施。

In this paper ,the comparison and analysis of landfill gas migration simulation are presented in assumptions of with landfill gas control system and without landfill gas control system ,and the optimal pumpage of gas pumping well is calculated ,thus the ratio of landfill gas collection is given correspondingly.

利用本数值模型对无控制系统和有控制系统时释放气体运移进行了对比模拟分析，给出了有水平气体控制系统时的优化排气量并得出相应的释放气体收集率，可为填埋场释放气体控制系统的设计及环境影响预测和评价提供理论依据。

The average percentage of tracheid volume is over 90% for softwoods species. Gas permeability of softwoods is in close relationship with the flow of gas through the tracheids.

针叶树材气体渗透性与气体在管胞中的流动特性和规律紧密相关，研究管胞的气体渗透流阻，可以获得关于针叶树材气体渗透性更深入的认识。

Mini-hole heat dissipation flame-out device ensures flame out. In tempering process gas check valve instantly cuts off gas supply i

产品名称：焊割炬用气体回火防止器，微孔散热型火焰熄灭装置确保火焰熄灭气体单向阀在回火过程自动将气体源瞬间切断具有自动复位功能可直接连接作业连接在割炬的进气口上使用。

The boundary height of natural gas coming-up is accreting along with the reservoir temperature and pressure decreasing.

根据气体状态方程及天然气运移的动力学理论，推导出温度和压力降低前、后气体流速比方程，用其计算了不同储层中临界气体长度并分析不同储层中相同长度的气体在运移途中的变化规律。

The detector first combines the technology of single chip with the technology of artificial neural network , colligates the strongpoint of single chip and artificial neural network , overcomes the difficulty of linearization between gas sensor output and gas concentration.

该仪器首次将单片机与人工神经网络相结合用于气体浓度检测，综合了单片机和人工神经网络的优点，克服了传统仪器气体传感器输出与气体浓度难以线性化等缺点。

This paper mainly described the pertinent knowledge about the generalization of gas supersaturation, the reasons and factors for gas supersaturation. Furthermore, the relations among life stage, hydrostatic pressure, temperature, intermittent exposure, detection, avoidance and the tolerance of fish to supersaturation were analyzed, AndKey words: dam; dissolved gas supersaturation; gas buhhle disease

本文主要就气体过饱和及气泡病做了具体描述，首先叙述了气体过饱和的研究概况、导致气体过饱和的原因和水温、压强等影响气体过饱和的因素，具体分析了鱼类不同生活阶段、液静压、温度、间歇性的暴露、探知和躲避能力导致其对气体过饱和忍耐大小的状况，并对气泡病的内部损伤如血液中形成的气栓、外部症状如身体各个部位形成的气泡做了具体的描述。

This article indicates that when the average temperature of gas in gas-insulated electric equipment is some greater than the temperature of gas density relay then the gas density relay can't reflex the gas density correctly too and gives a positive error.

本文指出，当电气设备内气体平均温度高于密度继电器温度一定程度时，气体密度继电器也不能正确反映电气设备内的气体密度，而出现正误差。

The experimental set for 330kV tank circuit breakers has been set up and the possible factors influence the relationship between the environmental temperature and moisture in SF6 gas.

以西北电网330kV罐式断路器为例，建立实验装置，研究SF6气体压力、断路器罐体大小、20℃时SF6气体中起始水分含量和断路器内固体材料对环境温度与SF6气体中水分含量间关系的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。