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The Synthesis and Evaluation of Hydrophobic Association Thickener

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Open Journal of Composite Materials 2015年第1期5卷 1-4页

作者： qingwang Liu Dong Cheng Jigang Wang Zhenzhong Fan Tong Zhang Ao Sun EOR Key Laboratory of the Ministry of Education Northeast Petroleum University Daqing City China

The paper provides a new hydrophobic association polymer fracturing fluid gelatinizer. The hydrophobic association which is the synthesis of three component copolymer complexes, is compounded by micellar copolymerization method. The hydrophobic association is got together through hydrophilic monomer acrylamide monomer N,N-vinyl pyrrolidone monomer with a rigid group N, and hydrophobic monomer N,N-2 dodecyl acrylamide etc. three monomers with sodium dodecyl sulfate as the emulsifier in micellar solution.

关键词： Hydrophobic Association Fracturing Fluid Surface Active Agent Three Component Copolymer Apparent Viscosity

IMPROVING　OIL　WELL　CEMENTING　QUALITY　WITH　MAGNETIZED　CEMENT　SLURRY　IN　DAQING　OIL　FIELD

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Scientia Geologica Sinica 1996年第2期 237-244页

作者： Luo Yun Sun Weilin Wang Tie inn and Liu qingwang(Daqing Petroleum institute, Anda 151400)

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The Synthesis and Evaluation of a Novel Inhibitor DN for Carbon Dioxide Corrosion

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Open Journal of Composite Materials 2014年第4期4卷 215-219页

作者： qingwang Liu Tong Zhang Jigang Wang Zhenzhong Fan Ao Sun Dong Cheng EOR Key Laboratory of the Ministry of Education Northeast Petroleum University Daqing China

During the oil and gas wells exploitation and transportation, carbon dioxide corrosion is one of main reasons for the corrosion of metallic materials. So the methods of preventing and reducing carbon dioxide corrosion have become a widely focused problem. The foreign and domestic practices and experiences show that as an economic, effective and versatile metal corrosion control method, corrosion inhibitor protection technology is suitable for application in oil and gas transportation system. This paper, through the indoor experiment with benzyl chloride, using quinoline as raw materials, synthesizes a kind of quinoline quaternary ammonium salt. The obtained product benzyl chloride quinoline compounded with OP-10 and ethanol to get a novel inhibitor DN for carbon dioxide corrosion, and to evaluate its performance.

关键词： Carbon Dioxide Corrosion Inhibitor Synthesis Method Performance Evolution

The New Development of Human Rights “Jurisprudence” in Completing the Building a Moderately Prosperous Society in All Respects

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The Journal of Human Rights 2020年第5期19卷 571-586页

作者：杨清望 LU Mimi(译) School of Law Central South University Human Rights Research Center Central South University 不详

Bringing the building a moderately prosperous society in all respects to successful completion is a great achievement in China’s modernization and contributes to the development of human rights in China and the world *** practice of building a moderately prosperous society in all respects has added new connotations to human rights theories,developing and outgrowing the traditional jurisprudence of human *** is reflected in the following aspects:the injection of the overall and equal human development has expanded the traditional western values of human rights based on human freedom and dignity;the injection of interpersonal mutual development,win-win cooperation and risk management and control has expanded the traditional western presupposition of social relations based on the social contract and civil society,and has thus expanded the social foundation of interpersonal cooperation,enriching the social concept of human *** by the concept of building a community with a shared future for human beings,the building a moderately prosperous society in all respects,enriching the human rights worldviews,has changed the worldviews of racism and zero-sum game among western developed countries and generated the new connotation that mankind should share the development opportunities and *** has constituted a profound jurisprudence of human rights in China and formed an important discourse system in international human rights dialogue.

关键词： building a moderately prosperous society in all respects human rights jurisprudence discourse system

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裂隙角度对煤冲击倾向性的数值模拟研究

煤炭技术 2022年第5期41卷 125-128页

作者：靳涛连清旺太原理工大学矿业工程学院太原030024

煤的层理和割理都极为发育,此外,还存在有一定的无序裂隙,导致煤具有非均质性。在受压状态下裂隙的起裂、扩展及贯通是煤岩体破坏的重要原因,裂隙的存在形式可以改变煤岩体受力状态,并对煤的冲击倾向性造成影响。为探究裂隙角度与冲击... 详细信息

煤的层理和割理都极为发育,此外,还存在有一定的无序裂隙,导致煤具有非均质性。在受压状态下裂隙的起裂、扩展及贯通是煤岩体破坏的重要原因,裂隙的存在形式可以改变煤岩体受力状态,并对煤的冲击倾向性造成影响。为探究裂隙角度与冲击倾向性的关系,利用RFPA2D软件模拟不同裂隙角度下煤体变形破坏的全应力-应变曲线、裂隙发育及破坏形式,进行统计分析,衡量裂隙不同倾角对煤冲击倾向性参数的影响及破坏效果。试验结果表明:(1)裂隙的存在弱化了煤的冲击倾向指标,但单条裂隙与加载方向的夹角不同对煤样应力-应变曲线形态影响不突出,当加载方向与裂隙倾角90°时,冲击倾向性减弱最为显著;(2)不同裂隙倾角形式下裂隙的发育主要表现为沿原始裂隙起裂发育;(3)随着倾角增大,更早出现微小裂隙,且裂隙发育缓慢,持续时间更长,耗散能量增加,宏观破坏程度变弱,冲击倾向性变弱。

关键词：裂隙角度冲击倾向性 RFPA2D 单轴抗压强度冲击能量指数声发射

Comparison of Plasma and Serum miRNA Profiles by Small RNA Sequencing

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Comparison of Plasma and Serum miRNA Profiles by Small RNA S...

2022CCTB中国肿瘤标志物学术大会暨中国整合肿瘤学大会暨第十六届肿瘤标志物青年科学家论坛暨中国肿瘤标志物产业创新大会

作者： Haiyan Wang qingwang Chen Naixin Zhang Yaqing Liu Wanwan Hou Leming Shi Yuanting Zheng Fudan University

Background:Accumulated evidence has revealed that extracellular microRNAs(miRNAs) could be potential biomarkers for the diagnosis and therapy of various human ***-derived plasma and serum are the most commonly used samples for miRNA analysis of liquid ***,the question about plasma or serum which is preferable remains unclear and needs to be ***:We performed small RNA sequencing for paired plasma and serum samples which passed the quality control from 7 healthy individuals,3 replicates per *** we analyzed the number of detected miRNAs among all individuals and in each *** clustering analysis and Pearson correlation analysis were applied to assess the heterogeneity and similarity in miRNA expression profiles of plasma and ***,the coefficient of variation was calculated to evaluate the technical variability of miRNA ***,differentially expressed analysis was conducted to compare the difference in miRNA quantitation of plasma and serum,and KEGG and GO pathway enrichment analysis was carried out to reveal the significant pathway for differential miRNA ***:All 42 samples passed the quality control of small RNA sequencing and entered the subsequent *** the major extracellular RNA biotypes,miRNA accounted for the highest proportion in both plasma and serum,where the proportion of miRNA in plasma was slightly higher compared with serum(47.3% vs.42.9%).In plasma and serum,573 miRNAs and 522 miRNAs were detected,***,we found that miRNA expression between plasma and serum was highly correlated,with a correlation coefficient of 0.99(p<0.05).Lower biological and technical variability of miRNA expression was displayed in plasma than in ***,we identified three differentially expressed miRNAs (hsa-miR-1246,hsa-let-7i-3p,and hsa-miR-939-5p) with higher levels in serum than in plasma,which is mainly involved in organelle,ion binding,ce

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饱和含水率对煤冲击层理效应影响研究

煤炭技术 2022年第11期41卷 113-116页

作者：靳涛连清旺太原理工大学原位改性采矿教育部重点实验室太原030024

煤岩体物理化学性质是能否发生冲击地压灾害的内因,煤的层理和割理都极为发育,含层理煤样在评估冲击倾向强弱时需考虑层理效应,且冲击倾向性指数随含水率增加而显著降低。但鲜有针对含水率与其层理效应相关联系的研究,广泛利用的4个冲... 详细信息

煤岩体物理化学性质是能否发生冲击地压灾害的内因,煤的层理和割理都极为发育,含层理煤样在评估冲击倾向强弱时需考虑层理效应,且冲击倾向性指数随含水率增加而显著降低。但鲜有针对含水率与其层理效应相关联系的研究,广泛利用的4个冲击倾向性指数也未能将能量因素与时间效应兼容考虑。现运用可综合反映能量积散全过程及时间效应的有效冲击能量速率指标,制取不同层理倾角的试件在自然含水率和饱和含水率分别进行实验,探究对冲击倾向性层理效应的影响。实验结果表明:饱和含水率状态下,煤样不再具有层理效应,各层理煤样冲击指数大致相同。

关键词：层理效应含水率冲击倾向性有效冲击能量速率

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无人机激光雷达人工林林分高估测模型分析

遥感学报 2022年第12期26卷 2665-2678页

作者：李梅刘清旺冯益明李增元中国林业科学研究院资源信息研究所北京100091 国家林业和草原局林业遥感与信息技术重点实验室北京100091 中国林业科学研究院荒漠化研究所北京100091

中国人工林面积居世界第一,精确地对人工林结构进行监测具有重要意义。本研究以内蒙古自治区赤峰市旺业甸林场内的落叶松和油松人工林为研究对象,利用无人机激光雷达LiDAR(Light Detection And Ranging)离散点云数据和地面样地调查数据... 详细信息

中国人工林面积居世界第一,精确地对人工林结构进行监测具有重要意义。本研究以内蒙古自治区赤峰市旺业甸林场内的落叶松和油松人工林为研究对象,利用无人机激光雷达LiDAR(Light Detection And Ranging)离散点云数据和地面样地调查数据对人工林林分高进行建模,通过点云特征变量与地面测量的6种林分高(包括:Lorey’s高、算术平均高、最大高、优势树高、中位数高和树冠面积加权高)间的Pearson’s相关性筛选自变量,然后利用全子集回归构建不同林分高估测模型,并采用交叉检验法进行精度评价。结果表明:激光雷达点云高度百分位数与不同林分高相关性均较高,通过一元线性回归构建的不同林分高结果最优,且估测模型的自变量均为高度特征变量。Lorey’s高(R^(2)=0.91—0.97,rRMSE=2.75%—3.96%)、优势树高(R^(2)=0.86—0.97,rRMSE=3.72%—3.83%)和树冠面积加权高(R^(2)=0.86—0.96,rRMSE=3.81%—4.73%)估测精度最高,算术平均高(R^(2)=0.85—0.94,rRMSE=4.52%—6.07%)和中位数高(R^(2)=0.80—0.95,rRMSE=5.37%—7.34%)次之,最大高(R^(2)=0.69—0.87,rRMSE=6.19%—8.09%)最低。针对不同森林类型,落叶松人工林林分高估测精度最优,优于不区分森林类型模型的估测精度(ΔR^(2)=0—0.05,ΔrRMSE=-0.69%—1.97%),优于油松林林分高模型的估测精度(ΔR^(2)=0.06—0.18,ΔrRMSE=-1.90%—1.13%)。无人机激光雷达可以用于估测北方温带针叶林的林分高,能够满足人工林资源调查快速、精确的要求。

关键词：遥感无人机激光雷达点云人工林林分高

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组织中的申述

心理科学进展 2007年第4期15卷 659-664页

作者：韦庆旺郑全全浙江大学心理学系杭州310028

组织中的申述指发生在组织环境中的解释。在理论上,研究者采用印象管理和归因、互动公正以及公平理论三种视角探讨申述对缓和组织困境的作用。在方法上,研究者除了使用关键事件调查和实验室实验法之外,发展了“置于情境的实验”方法。... 详细信息

组织中的申述指发生在组织环境中的解释。在理论上,研究者采用印象管理和归因、互动公正以及公平理论三种视角探讨申述对缓和组织困境的作用。在方法上,研究者除了使用关键事件调查和实验室实验法之外,发展了“置于情境的实验”方法。在研究成果上,发现申述除了具有积极作用之外,有时也具有反作用和副作用。文章还讨论了申述的应用价值。

关键词：申述解释辩解正当化互动公正.