查询词典 gas-mask

I stopped at the Telegraph Hill gas/service station, and the guy there came out in the drizzle (like he didn't even notice it) to pump my gas himself.

我停下来的电报山气/服务站，和那个有出来的小雨，以刺激我的气了。

Nowadays,oil and gas exploration is widely undergoing development in the world and drilling horizontal well technology is the major support for highly efficient oil and gas well in order meet the rapidly increased numbers of horizontal well,to meet the requirement of explorative difficulty and to meet the development trend of this technology competition of horizontal well drilling.

当今世界范围内正加大油气勘探开发投入，水平井已成为高效开发油气的重要技术支撑，水平井的数量也迅速增多，以适应油气勘探开发技术难度普遍增大的需求及水平井技术实力竞争加剧的趋势。

This paper studies depression in the hot cathode glow discharge PCVD method of diamond films influence in the process, mainly from two aspects of research: a study of the process of discharge pressure of the impact of that pressure on the technology, the impact of state discharge , as well as pressure and discharge voltage of the relationship between the two, and experiment with different pressure, relative to the preparation of samples, and using Raman instrument and SEM analysis of the quality of the film, by comparing the different types of gas pressure on the quality of diamond films, summed up the most good gas pressure parameters of a high-quality diamond films.

本文研究气压在热阴极辉光放电PCVD方法制备金刚石膜过程中的影响，主要是从两个方面进行研究：一，研究制备过程中气压对放电的影响，得出气压对工艺，放电状态的影响，以及气压和放电电压的关系；二，采用不同气压进行实验，制备出相对应的样品，并用Raman和SEM等仪器对膜进行质量分析，通过对比不同气体压强对金刚石膜质量的影响，总结最佳气体压强参数，制备出高品质金刚石膜。

The invention uses benzene carbonic acid as raw material, uses hydrogen gas as reducing agent, and uses ZnO and CeO2 as main accelerating agent. In solid-bed reactor the invention carries out hydrogenation reduction reaction. The reaction temperature is 340-440Deg.C, gas hourly space velocity is 600-4800h-1, hydracid mole rate is 20:1-160:1, the selectivity ratio of benzaldehyde is 99%, and the productivity is above 95%.

该方法以苯甲酸为反应原料，以氢气为还原剂，以ZnO和CeO 2 的复合氧化物为主催化剂，在固定床反应器中，进行气相加氢还原反应，反应温度为340℃～440℃，气时空速为600h -1 ～4800h -1 ，氢酸摩尔比为20∶1～160∶1，采用本发明制备苯甲醛的选择性可达99％，收率可达95％以上。

The invention uses benzene carbonic acid as raw material, uses hydrogen gas as reducing agent, and uses ZrO2, TiO2 and Y2O3 as main accelerating agent. In solid-bed reactor the invention carries out hydrogenation reduction reaction. The reaction temperature is 340-450Deg.C, gas hourly space velocity is 600-4800h-1, hydracid mole rate is 20:1-160:1, the selectivity ratio of benzaldehyde is 96%, and the productivity is above 90%.

该方法以苯甲酸为反应原料，以氢气为还原剂，以复合氧化物ZrO 2 、TiO 2 和Y 2 O 3 为主催化剂，在固定床反应器中，进行气相加氢还原反应，反应温度为340℃～450℃，气时空速为600h -1 ～4800h -1 ，氢酸摩尔比为20∶1～160∶1，采用本发明制备苯甲醛的选择性可达96％以上，收率可达90％。

The influences of gas hydrate on oil and natural gas industry, environment, climate and energy are summarized.

摘要概述了水合物对石油天然气工业及环境、气候、能源等方面的影响。

Gas hydrate is a kind of icy crystal body formed by water and natural gas in special conditions.

天然气水合物是天然气和水在特定条件下形成的一种透明的冰状结晶体。

Hydrate of natural gas is an effective,safe way for storage and transportation of natural gas.

天然气水合物作为一种高效、安全的天然气储存和运输的方式，其实用性很大程度上取决于水合物的含气率和气体水合物的生成速率。

Percent of water,temperature and pressure conditions of natural gas hydrate formed in gas pipeline are analyzed.

通过分析输气管道天然气水合物形成的水分、温度和压力条件，给出了输气管道内NGH形成区域的预测方法。

Corporation 5 million tons of gas hydrocyanic acid glycine system, the new project is the use of natural gas production of new technology industrialization projects of glycine, the scale in the industry are among the biggest.

公司5 万吨天然气氢氰酸制甘氨酸新项目是用天然气新工艺生产甘氨酸的产业化项目，规模在行业内属于最大。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐