查询词典 extraction pump

The company range of products and services include: self-and agent all kinds of domestic and foreign oil import and export of machinery and equipment Products Services, including: drilling machinery (drill, drill pipe, square pipe, drill collar, screw drill), oil production machinery (pumping, ground-driven screw pump, electric submersible screw pump, pump, sucker rods, valves, various types of downhole tools), pipe (tubing, casing, pipe, glass pipe, composite pipe ), oil field chemicals (such as drilling fluids, completion fluids, workover fluids, anti-foam agent, emulsifier, oil microorganisms, scale, etc.) and oil technology development, transfer and services.

公司主要产品和服务范围包括：自营和代理国内外各类石油机械设备产品的进出口服务，主要包括：钻井机械（钻机、钻杆、方钻杆、钻铤、螺杆钻具）、采油机械（抽油机、地面驱动螺杆泵、电潜螺杆泵、抽油泵、抽油杆、阀门、各类井下工具）、管材（油管、套管、输送管、玻璃钢管、复合管）、油田化学品（如钻井液、完井液、修井液、防泡剂、乳化剂、采油微生物、阻垢剂等）以及石油技术的开发、转让和服务等。

Automatic cleaning system is composed of single or many cleaner jars, pipe, distributor, voltage plus pump, circumfluence pump, gasdrive control valve, acid-alkali measurement pump, panelheat transformer, temperature controller, electric-induced rate detector, liquid level controller, PLC touch screen and control tank, etc.

主要由单个或多个清洗液贮罐及管道、分布器、增压泵、回流泵、气动控制阀、酸碱计量泵、板式换热器，温度控制仪、电导率检测仪、液位控制仪及 PLC 触摸屏、控制柜等部件组成。

It firstly did numerical simulation towards pulsed liquid jet pump's throat pipe when it was working on different area ratio, different length of throat pipe, different working situation. Then it analyzed and proposed the optimization length of throat pipe on pulsed liquid jet pump; In chapter 5, it did experimental study on the fundamental performance of steady and pulsed liquid jet pump, then compared the experiment result with numerical simulation result, this approximately agreed with each other.

首次对脉冲液体射流泵在不同面积比、不同喉管长、不同工况下的喉管内部流场进行了数值模拟，分析提出了脉冲液体射流泵的最优喉管长度范围；第五章对恒定、脉冲液体射流泵的基本性能进行了试验研究，对比试验结果和数值模拟结果，二者吻合较好。

In this thesis, the theory, algorithm and applications combined with the project "research on the feature extraction and analysis of XX acoustic vector" are discussed, according to the present development, main problems and practical needs in application of feature extraction of pressure and acoustic vector signals.

本文根据声压和声矢量信号特征提取的研究现状、存在的主要问题以及工程实际应用的基本要求，结合基金项目"XX声矢量特征提取与分析研究"的内容，对目标特征提取及其分类识别进行了理论、算法与应用方面的探讨。

The method has been used to determine Phthalic esters in drinking water and seawater sample. 3. Single drop microextraction, followed by gas chromatography with flame ionization detection has been applied to determine Formaldehyde, Acetaldehyde and Acraldehyde in water based on 2,4-Dinitrophenylhydrazine derivatization. Extraction solvent, extraction time and stirrer speed were optimized. Optimal experimental conditions were as follows: 1.6μL toluene microdrop exposed for 30 min in a 3ml aqueous sample placed in 4ml vial and stirred at 600 rpm/min.

以2，4-二硝基苯肼衍生，单滴液相微萃取与气相色谱火焰光度检测器联用测定水样中的甲醛、乙醛、丙烯醛，考察了萃取溶剂、液滴大小、萃取时间、搅拌速度、盐效应等对该方法的影响，并对影响液相微萃取的各种因素进行了系统的阐述，确定了该体系的最佳实验条件，实现了甲醛、乙醛、丙烯醛的提取和富集。

N,N,N',N'-tetrabutyl-3-oxa-pentanediamide presents excellent extraction abilities for actinides elements. The effects of hydrolysis and radiation on extraction behavior of U with TBOPDA have been investigated.

N，N，N'，N'四丁基 3 氧戊二酰胺对锕系元素具有良好的萃取性能，为了考察TBOPDA稳定性，研究了温度、酸度和吸收剂量对TBOPDA萃取性能的影响。

Experimental results were processed and it was found that 1: 1 adduct of alcohol and acylate is formed in every extraction process, and that acylate can give higher extraction equilibrium constant for alcohol than the corresponding organic acid.

由实验数据回归出了络合剂与醇的络合比及络合萃取平衡常数。金属有机酸盐与醇的络合萃取平衡常数远远大于相应的有机酸与醇的络合萃取平衡常数。

In order to find the reasons, we first investigated the distribution of the geothermal stations and the water extraction in the whole Shenzhou city and its vicinity, then investigated the oil extraction and water afflux in North China Oil Field.

为解释该趋势下降的原因，首先对深州市及其周边地区地热开采点的空间分布及地下热水开采量进行了详细调查，而后对华北油田采油和注水情况进行了了解。

We carry on a processing to the oil extraction waste water, instead in return to affusion, then not only will they satisfy the affusion of water which increase increasingly in the process of the extraction of the oil-field, but also can save the water resources and reduce pollution of the environment, bring an economic performance for the oil-field, its advantageous to the oil-field can keep on a development.

试验后水质明显改善，符合辛一站的水质标准。本论文的实验研究工作在胜利油田辛一站进行，首先分析了辛一站的采油废水的性质，用悬浮污泥过滤法简称SSF和超滤膜过滤法2种方法，分别进行了辛一站采油废水处理试验。

Methods: from prepation of crude drug as start, study the technology of extract and defat with L9 (3~4) orthogonal test. With EtOH extraction and water sed, alkali washing, EtOAC extraction as main methods of eliminate dopant. Finally with alky AlzO3 chromatographic column, rich and gain anticancer active site. The maximum response was achieved at a 40 min extracting time with 10 times volume 90% EtOH added to the sample for the first time and 30 min for the second time. Adding 10 times water will produce precipitation; Place the precipitation into 6 times petroleum benzin to de-fat at 60℃.

云南红豆杉中抗癌活性物制备工艺研究方法：利用正交设计试验L9(3~4)确定原料药提取工艺为：10倍量90％乙醇提取两次，第一次40分钟，第二次30分钟；醇提液用10倍量水沉；沉淀加6倍量石油醚40℃脱脂；用1mol／L的NaOH溶液碱洗，除去酸性杂质；以碱性氧化铝柱，以环己烷／丙酮为洗脱溶剂，在环己烷-丙酮(6：4)段富集到所需活性部位，洗脱剂用量为3VB。

Sodium citrate; calcium carbonate; calcium hydroxide; potassium bicorbonate; magnesium carbonate; ferrous sulphate; Zinc sulphate; copper sulphate; manganese sulphate; potassium iodide; sodium selenite.

柠檬酸钠；碳酸钙；氢氧化钙；碳酸氢钾；碳酸镁；硫酸亚铁；硫酸锌；硫酸铜；硫酸锰；碘化钾；亚硒酸钠。

All this to say that I'm glad filmmaking hasn't become completely ironic. I can enjoy an ironic film as much as the next person, but they usually involve a message of some sort. One that's delivered in a smirkingly clever way that requires little in the way of talent.

所有这些都是说，我很高兴电影制作没有变成完全讽刺艺术，我可以和下一个人一样享受讽刺电影的乐趣，虽然他们经常会被划归到一定级别，技术方面不需要很高的才能。