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High temperature and high pressure rheological properties of high-density water-based drilling fluids for deep wells

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Petroleum Science 2012年第3期9卷 354-362页

作者： wang fuhua Tan Xuechao wang Ruihe Sun Mingbo wang Li Liu Jianghua College of Petroleum Engineering China University of PetroleumQingdaoShandong 266555China Institute of Oil Production Engineering Daqing Oil CompanyDaqingHeilonjiang 163453China Institute of Oil Production Technology Xinjiang Oil CompanyKelamayiXinjiang 834000China

To maintain tight control over rheological properties of high-density water-based drilling fluids, it is essential to understand the factors influencing the theology of water-based drilling fluids. This paper examines temperature effects on the rheological properties of two types of high-density water-based drilling fluids （fresh water-based and brine-based） under high temperature and high pressure （HTHP） with a Fann 50SL rheometer. On the basis of the water-based drilling fluid systems formulated in laboratory, this paper mainly describes the influences of different types and concentration of clay, the content of a colloid stabilizer named GHJ-1 and fluid density on the rheological parameters such as viscosity and shear stress. In addition, the effects of aging temperature and aging time of the drilling fluid on these parameters were also examined. Clay content and proportions for different densities of brine-based fluids were recommended to effectively regulate the rheological properties. Four theological models, the Bingham, power law, Casson and H-B models, were employed to fit the rheological parameters. It turns out that the H-B model was the best one to describe the rheological properties of the high-density drilling fluid under HTHP conditions and power law model produced the worst fit. In addition, a new mathematical model that describes the apparent viscosity as a function of temperature and pressure was established and has been applied on site.

关键词： High-density water-based drilling fluid rheological behavior clay high temperature high pressure linear fitting rheological model mathematical model

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Time effects of rice straw and engineered bacteria on reduction of exogenous Cu mobility in three typical Chinese soils

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Pedosphere 2022年第5期32卷 665-672页

作者： Hanzhi SHI Dian WEN Yongdong HUANG Shoujun XU Tenghaobo DENG Furong LI Zhichao WU Xu wang Peihua ZHAO fuhua wang Ruiying DU Institute of Quality Standard and Monitoring Technology for Agro-Products Guangdong Academy of Agricultural SciencesGuangzhou 510640(China) Key Laboratory of Testing and Evaluation for Agro-Product Safety and Quality Ministry of Agriculture and Rural AffairsGuangzhou 510640(China) Guangdong Provincial Key Laboratory of Quality&Safety Risk Assessment for Agro-Products Guangzhou 510640(China)

Globally,copper(Cu)accumulation in soils is a major environmental *** organic waste and some bacterial species can readily absorb metals in an eco-friendly manner,and thus are commonly used in metal-contaminated soil *** study investigates the change in Cu fractions during the aging process and the time effects of rice straw(RS)and engineered bacteria(EB)(Pseudomonas putida X4/pIME)on reduction of Cu *** typical Chinese soils(red,cinnamon,and black soils)were incubated with RS or RS+EB in the presence of exogenous Cu for 24 *** soil physicochemical properties,reactive soil components,Cu fractions,and Cu mobility were determined over *** Cu mobility factor(MF)values were the lowest in the black soil(6.4-9.2)because of its high organic carbon and clay *** additions of both RS and RS+EB accelerated Cu stabilization during the aging process in all three *** Cu MF values decreased with time during the initial 20 months;however,the MF values increased thereafter in all soils,which might be due to the reduction of humic substances and amorphous iron oxides and the increase in iron oxides complexed on the organic *** reduction rates of Cu MF were similar after 16,24,and more than 24 months in the red,cinnamon,and black soils,respectively,indicating that RS and RS+EB could limit Cu mobility at different times in various *** RS treatment showed the greatest efficiency in reducing Cu mobility in the red,cinnamon,and black soils after 12,12,and 8 months of incubation,*** RS+EB treatment was more efficient than the RS treatment in the red soil during the initial 8 months of the incubation *** study provides theoretical support for Cu risk assessments and RS supplementation for Cu remediation in different soils.

关键词： aging Cu distribution mobility factor sequential extraction soil incubation

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Cost-Sharing in Civil Justice

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Social Sciences in China 2018年第1期39卷 98-113页

作者： wang fuhua School of Law Shanghai University of Finance and Economics

As an economic factor affecting access to justice, the cost of justice naturally constitutes an element of judicial reform. It is the overall deconstruction of the cost of civil justice, rather than partial observation and analysis confined to litigation costs, that can legitimize the sharing of court and litigation costs and clarify the demarcation between public and private costs. This first-order rule of cost-sharing is intended to establish a balance between the state＇s investment of public resources in the judicial system and the costs borne by the litigant. The second-order rule of cost-sharing centers on the distribution of litigation costs among litigants. This requires not only the setting up of the goal of just and equitable sharing of litigation costs, but also the overall consideration of the adjustment function of the cost mechanism in litigation and pursuit of the general improvement of the justice system. The third-order cost-sharing rule should focus on giving full play to the legal services market and social organizations in sharing the cost of litigation. Its success will depend on the development of professional ethics and on legal regulation.

关键词： court costs litigation costs rights protection judicial reform

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Effects of gibberellin priming on seedling emergence and transcripts involved in mesocotyl elongation in rice under deep direct-seeding conditions

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2021年第12期22卷 1002-1021页

作者： Ya wang Yuetao wang Ruifang YANG fuhua wang Jing FU Wenbo YANG Tao BAI Shengxuan wang Haiqing YIN Cereal Crops Research Institute Henan Academy of Agricultural SciencesZhengzhou 450002China Crop Breeding and Cultivation Research Institute Shanghai Academy of Agricultural SciencesShanghai 201403China

Mesocotyl elongation is a key trait influencing seedling emergence and establishment in direct-seeding rice *** phytohormone gibberellin(GA)has positive effects on mesocotyl elongation in ***,the physiological and molecular basis underlying the regulation of mesocotyl elongation mediated by GA priming under deep-sowing conditions remains largely *** the present study,we performed a physiological and comprehensive transcriptomic analysis of the function of GA priming in mesocotyl elongation and seedling emergence using a direct-seeding japonica rice cultivar ZH10 at a5-cm sowing *** experiments indicated that GA priming significantly improved rice seedling emergence by increasing the activity of starch-metabolizing enzymes and compatible solute content to supply the energy essential for subsequent *** analysis revealed 7074 differentially expressed genes(false discovery rate of<0.05,|log2(fold change)|of≥1)after GA ***,gene ontology(GO)and Kyoto encyclopedia of genes and genomes(KEGG)enrichment analyses revealed that genes associated with transcriptional regulation,plant hormone biosynthesis or signaling,and starch and sucrose metabolism were critical for GA-mediated promotion of rice mesocotyl *** analyses showed that the expression of the transcription factor(TF)genes(v-myb avian myeloblastosis viral oncogene homolog(MYB)alternative splicing 1(MYBAS1),phytochrome-interacting factors 1(PIF1),Oryza sativa teosinte branched 1/cycloidea/proliferating cell factor 5(Os TCP5),slender 1(SLN1),and mini zinc finger 1(MIF1)),plant hormone biosynthesis or signaling genes(brassinazole-resistant 1(BZR1),ent-kaurenoic acid oxidase-like(KAO),GRETCHEN HAGEN 3.2(GH3.2),and small auxin up RNA 36(SAUR36)),and starch and sucrose metabolism genes(α-amylases(AMY2 A and AMY1.4))was highly correlated with the mesocotyl elongation and deep-sowing tolerance *** results enhance our und

关键词： Mesocotyl Rice(Oryza sativa L.) Direct-seeding Gibberellin Deep sowing Transcriptomic analysis

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Analysis on blood glucose excursions in well-controlled patients with type 2 diabetes mellitus

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Journal of Medical Colleges of PLA(China) 2009年第2期24卷 92-98页

作者： Deng Wuquan Yu Qiongwu wang fuhua Ai Zhihua Chen Bing Department of Endocrinology Southwest Hospital Third Military Medical Universi~ Chongqing 400038 China Department of Ophthalmology Southwest Hospital Third Military Medical University Chongqing 400038 China

Objective:To probe glycemic excursions in type 2 diabetic patients whose hemoglobin A1c(HbA1c) was kept ≤6.0%.Methods:Totally 36 cases with type 2 diabetes(T2DM) with HbA1c≤6.0% and 30 cases with normal glucose tolerance(NGT) from December 2005 to December 2007 in our department were subjected *** glucose monitoring system(CGMS) was employed to record their continuous blood glucose level for 3 *** blood glucose profiles including the mean blood glucose(MBG),standard differentiation(SD),mean amplitude of glycemic excursions(MAGE) and absolute means of daily differences(MODD) were ***:T2DM group had obviously postprandial hyperglycemia,in about 2 h after meal,especially after ***-two hypoglycemic episodes occurred during the monitoring period in T2DM groups,of which 73.1%(38 episodes) were absence of symptomatic hypoglycemia with the lowest value of blood glucose only 2.0 mmol/*** 20 episodes took place during the day hours,while 32 episodes observed during the night *** with NGT groups,SD,MAGE and MODD were all significantly higher in T2DM *** was significantly correlated with HbA1c in T2DM groups,but SD,MAGE,NGE and MODD were all independent of *** was independent of ***:The amplitude of glycemic excursions is higher in normol-controlled T2DM groups than the NGT *** ideally glycemic control is not only to make HbA1c reach standard,but also to lessen glycemic excursions and reduce hypoglycemia episodes.

关键词： Type 2 diabetes mellitus Hemoglobin A 1 c Glycemic excursions Continuous glucose monitoring system

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公益保护请求权论

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法学评论 2024年第3期42卷 58-69页

作者：王福华上海交通大学凯原法学院

公益保护请求权,是公益诉讼适格原告向法院及侵权人主张的旨在保护公共利益的权利,是公共利益与诉讼程序的结合点。公益保护请求权理论阐释了公益诉讼原告适格及公益保护的必要性和实效性,构成公益诉讼理论的关键点。公益保护请求权属... 详细信息

公益保护请求权,是公益诉讼适格原告向法院及侵权人主张的旨在保护公共利益的权利,是公共利益与诉讼程序的结合点。公益保护请求权理论阐释了公益诉讼原告适格及公益保护的必要性和实效性,构成公益诉讼理论的关键点。公益保护请求权属救济权和裁判请求权,确定了公益救济方法或保护手段,避免诉前程序肿胀及“非讼化”。公益保护请求权的规定涵盖私法与公法两个领域,前者包括赔偿性、预防性、恢复性及人格抚慰性公益保护请求权,后者主要指基本权利保护的请求权,其行使常伴随价值判断,以解决公益保护竞合问题。基于公益类型,公益保护请求权可分为纯粹性公益保护请求权与聚合性公益保护请求权两类,前者注重保护整体公共利益,属于客观诉讼,检察机关适宜作为请求权主体;后者则是个人利益的集合,属于主观诉讼。公益的统一性保护,要求充分考虑公益的重要性、私益受损程度及社会整体利益。

关键词：公益诉讼立法公益保护请求权抽象性公共利益聚合性公共利益

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民事诉讼制度类型的历史考察

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法学杂志 2020年第10期41卷 79-91页

作者：王福华上海交通大学凯原法学院上海200240

民事诉讼制度是国家政治、经济与社会发展综合作用的结果。经历七十多年发展,我国民事诉讼制度可分为政治型程序法、自治型程序法及保障型程序法三种类型。中华人民共和国成立后至文革前,政治型程序法主要承担了争取民众支持、巩固政权... 详细信息

民事诉讼制度是国家政治、经济与社会发展综合作用的结果。经历七十多年发展,我国民事诉讼制度可分为政治型程序法、自治型程序法及保障型程序法三种类型。中华人民共和国成立后至文革前,政治型程序法主要承担了争取民众支持、巩固政权的工具角色,体现人民内部矛盾处理理念。文革结束后至世纪之交,自治型民事诉讼法得以发展,民事诉讼成为正统的纠纷解决制度,诉讼权利体系及程序闭环系统得以形成。进入新世纪后,民事诉讼制度的权利保障功能得到强化,民法典的制定为程序法与实体法的内在统一提供了契机,权利保障成为民事诉讼法的主要角色。

关键词：人民司法政治型程序法自治型程序法保障性程序法程序私法

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指定特别诉讼代理人制度的实践理性

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法学论坛 2014年第6期29卷 68-76页

作者：王福华上海交通大学凯原法学院上海200030

伴随着中国社会转型和家庭结构的变迁,民事诉讼中常出现无诉讼行为能力的当事人没有法定代理人,或者虽有法定代理人但却与之存在利益冲突的情况。为保护双方当事人利益,防止诉讼拖延,恢复1982年民事诉讼法中规定的指定诉讼代理制度已经... 详细信息

伴随着中国社会转型和家庭结构的变迁,民事诉讼中常出现无诉讼行为能力的当事人没有法定代理人,或者虽有法定代理人但却与之存在利益冲突的情况。为保护双方当事人利益,防止诉讼拖延,恢复1982年民事诉讼法中规定的指定诉讼代理制度已经势在必行。立法上,宜将指定诉讼代理人制度再做细化为指定特别诉讼代理人制度,使之成为由民事诉讼法调整的、临时的、例外的制度,对实体法规定的、常规性的法定代理人制度形成补充。在具体规则上,指定特别诉讼代理人制度既要满足一般案件的代理需要,也要满足身份关系诉讼中指定代理的特殊需要。

关键词：指定代理法定代理人特别诉讼代理人监护人

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民事诉讼管辖利益保护论——评最高人民法院指导案例56号

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比较法研究 2018年第4期32卷 20-39页

作者：王福华上海财经大学法学院

最高人民法院发布的指导案例56号确认的管辖抗辩集中提出规则,有助于提高诉讼效率,维护程序安定,抑制被告滥用管辖异议权。同时,该案强调的管辖异议绝对失权(强制失权)制度,由于关系到当事人特别是被告程序利益的保护,其适用必须要考虑... 详细信息

最高人民法院发布的指导案例56号确认的管辖抗辩集中提出规则,有助于提高诉讼效率,维护程序安定,抑制被告滥用管辖异议权。同时,该案强调的管辖异议绝对失权(强制失权)制度,由于关系到当事人特别是被告程序利益的保护,其适用必须要考虑当事人的自我归责性,及怠于提出异议行为与失权结果之间的因果关系,并辅以合理的管辖异议期间,使管辖异议失权相对缓和。必要共同诉讼中,诉讼的同一性与共同被告管辖利益之间存在着冲突,采行"共同管辖优先"原则兼采指定管辖原则,有助于两者之间冲突的解决。在民事诉讼法时间效力上,宜区分民诉法的"立即效力"与溯及力之间的差别,采"从旧兼有利"原则能够保障程序法适用的公平性与一致性,增加当事人对诉讼结果的预期及对诉讼制度的信赖。

关键词：管辖权异议共同管辖管辖权抗辩应诉答辩失权

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如何向集团赔偿——以集团诉讼中的赔偿估算和分配为中心

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法律科学（西北政法大学学报） 2009年第1期27卷 152-161页

作者：王福华上海交通大学法学院上海200240

普通法系集团诉讼制度中,面向集团的赔偿机制由赔偿金的估算和分配两个程序组成。赔偿金的估算包括个别性估算方法和整体性估算方法。在现代集团诉讼背景下,个别性估算方法不能解决所有集团诉讼的赔偿问题,须由整体性估算方法来弥补缺... 详细信息

普通法系集团诉讼制度中,面向集团的赔偿机制由赔偿金的估算和分配两个程序组成。赔偿金的估算包括个别性估算方法和整体性估算方法。在现代集团诉讼背景下,个别性估算方法不能解决所有集团诉讼的赔偿问题,须由整体性估算方法来弥补缺陷。在整体上确定赔偿总额后,还要按照直接分配、间接分配等方式将赔偿金分配给集团成员。普通法集团诉讼中的"以个别损害赔偿方法为原则,以整体性估算为例外;以直接分配为主,以间接分配为辅"的理念,对于我们克服代表人诉讼制度的体制阻碍具有借鉴价值。

关键词：集团诉讼个别性估算整体性估算

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