助手标题
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
共[44]条 当前为第1条到20条
 

相关语句
水化物
    Applying Newton-Raphson Method to Calculating the Temperature of Hydrate Formation
    应用Newton-Raphson法计算水化物生成温度
    Hydrate Plugging and Preventive Measures in Wen 23 Fault-Block Gas Field
    文23块气田水化物堵塞及预防措施
    Discussion on Affect of H_2S and CO_2 on Hydrate Formation Temperature of Natural Gas with Very High Sour Content
    浅析H_2S和CO_2对特高含硫天然气水化物形成温度的影响
    It is concluded that the improvement of the stability could be attributed to the coordination between the phosphate anion produced by ionization of phosphoric acid and Mg 2+ ion, which makes the lowest concentration of Mg 2+ ion required by the stable existence and the formation of the MOC hydrate be greatly decreased.
    磷酸的这种作用是通过其在水泥浆液相中离解出来的磷酸根离子与Mg2 +离子配位 ,降低了水化物形成和稳定存在所需的最低Mg2 +离子浓度而获得的
    Mineral powder also hydrate with Ca(OH)_2 and produce greater C-S-H gel to fill in to the pores in the concrete mixed with mineral powder,generating much hydrate to improve the interface of the concrete.
    矿粉也能与Ca(OH)2反应,使混凝土内部生成更多的C-S-H填充孔洞,生成有利于混凝土过渡层的大量水化物;
    Long Distance Delivery Gas Hydrate Preventive Measures and Dehydration Process
    长距离管输天然气水化物防止及天然气脱水工艺
    Effect of the Phosphate Anion on the Stabilization of Hydrate inMagnesium Oxychloride Cement
    磷酸根离子对氯氧镁水泥水化物稳定性的影响
    Analysis and Control for Producing Hydrate of Natural Gas in Long Distance Transmission Pipeline
    天然气长输管道中水化物生成的分析与控制
    Production and Elimination of Hydrate in Throttling Process of Natural Gas
    天然气节流过程水化物的生成与消除
    On the basis of analysis on the pairwise action of cement paste, nanometer silica fume and clay, the paper proposes the reinforcement mechanism of the cemented soil stabilized with nanometer silica fume. The reinforcement mechanism includes cementation action of cement hydrate, ionic exchange and quadrate reaction of clay particle, pozzolanic effect, filling effect and cementation action of nanometer silica fume.
    在研究水泥浆—纳米硅粉、纳米硅粉—粘性土、水泥浆—粘性土相互作用的基础上,将纳米硅粉水泥土的固化机理总结为:水泥水化物的胶结作用、粘土颗粒中的离子交换效应和“二次反应”、纳米硅粉的火山灰效应、纳米硅粉的填充效应、纳米硅粉的胶结作用。
    The reduction of strength ofthe concrete was found due to the conversion of hydrate of low calcium aluminate into thehigh calcium form and the crystallization of alumina gel ensuing in the weakening of thebinding force between the hydrated crystals and the increasing of porosity of the cementpaste.
    文章论述了强度下降的原因是由于低钙铝酸盐水化物转化成高钙铝酸盐水化物和铝胶结晶,造成晶体间结合力降低,孔隙率增加。
    And these hydrocarbons may promote the formation of gas hydrate in the coal beds, especially during water infusion under high pressure.
    在一定条件下,例如在煤层高压注水的工作中,瓦斯可能形成固态的水化物
    The results obtained show that the"black liquid"does not cause any change in the phase of the hydration product, it suppresses the hydra- tion of the cement paste only at the early age and its waterreducing effect and dispersing effect improve the pore structure of the cement paste, homogenize the distribution of the cement hydrate and increase the strength of the hardened cement by 20-30 percent.
    “黑液”的减水作用和分散作用改善了水泥浆的孔结构,使水泥水化物分布均匀,并且提高硬化水泥浆的强度达20~30%。
    The authors develope a calculation method for forecasting the temperature of natural gas hydrate formation, and compile a program to calculate the temperature of hydrate formation of natural gases with different composition, its pressure varies from I to 20. 3 MPa.
    本文开发出一种预测天然气水化物生成温度的计算方法,并编制计算机程序,计算各种不同组成天然气的水化物生成温度,其压力变化范围为1~20.3MPa。
    Based on 8 different compositions of natural gas, a total of 31 group test data, the article examines every graphic method of calculation natural gas forming temperature of hydrate and makes corresponding evaluations.
    本文以8种不同组份的天然气共31组试验数据,考核了各种计算天然气水化物生成温度的图解方法; 且作出相应的评价。
    This article explains the harmfulness of hydrate in course of light hydrocarbon transfer- ring and the differences between the formation of light hydrocarbon hydrate and the gas hydrate.
    本文闸述了轻烃输送过程中水化物的危害性以及轻烃水化物与气体水化物生成的差异,介绍了水化物的生成机理、晶格结构以及防止轻烃水化物生成的方法,对脱水和加药现状及甲醇市场进行了分析。
    This paper based on practical experieces, summerizes the safe production countermeasures adopted for the successful protection for gas leakage,protec-tion against hydrate formation,overcoming problems arised in winter season,and inquires into some problems that in fluence safe production. So many useful experiences are provided hereof for the production manage-ment of JZ 20-2 condensate field and the design,construction and commissioning management of other off-shore gas field developed in future time.
    本文根据实践经验,对这个气田成功地防止天然气泄漏、预防水化物生成、克服冬季和其它生产问题所采取的各项安全生产对策进行了总结,并对影响安全生产的一些问题提出探讨,为锦州20—2凝析气田的生产管理和未来开发的其它海上气田的设计、建造、投产管理提供了有意的借鉴。
    This paper expounds the utilization of gas hydrocarbon hydrate as one of basic replaceable resources.
    阐述了作为基本的替代能源之一的烃类气体水化物的利用问题。
    It quotes the information about gas hydrate resources prediction all over the worlds and gas hydrate resources in Black Sea.
    援引了有关全球气体水化物资源预测及黑海气体水化物资源的资料。
    According to the principle,this article examines relative process used in gas gathering station using initial pressure energy of natural gas for throttling temperature reduction and gives a calculation method of injection volume of methanol to inhibit formation of hydrate during throttling temperature reduction.
    本文运用这一原理,研究利用天然气原始压力能,实现节流降温在集气站所采用的工艺流程,给出了在节流降温过程中,不形成水化物所需的甲醇注入量的计算方法。
 

首页上一页123下一页尾页 

 
CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社