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Aromatherapy with Tanxiang prescription for mild to moderate anxiety:a randomized controlled pilot trial
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作者 Yan Fang Kandace Fung +4 位作者 Ying Xia Wei Wei Jiali Liu Xiaqiu Wu Weijun Zhang 《Guideline and Standard in Chinese Medicine》 2025年第1期35-42,共8页
Objective:To investigate the feasibility and preliminary effectiveness of Tanxiang prescription(TXP)ointment for alleviating mild to moderate anxiety.Methods:A single-center pilot trial was conducted.Participants were... Objective:To investigate the feasibility and preliminary effectiveness of Tanxiang prescription(TXP)ointment for alleviating mild to moderate anxiety.Methods:A single-center pilot trial was conducted.Participants were randomly assigned to the experimental group or the control group.The experimental group received TXP treatment and health education,while the control group only received health education.The study evaluated the feasibility based on recruitment,retention,adherence,and adverse events.The primary outcome was assessed using the Self-Rating Anxiety Scale(SAS),while the secondary outcomes were evaluated using the Self-Rating Depression Scale(SDS)and Pittsburgh Sleep Quality Index(PSQI).Assessments were conducted at baseline,week 2,and week 4.Results:In all,58 participants were successfully enrolled,with 56 all having finished the whole research,which illustrates a recruitment rate of 33.7%,a randomization rate of 100%,and a loss rate of 3.57%in this study.No adverse events were observed.Both the experimental(n=29)and control(n=29)groups showed a significant decrease in SAS,SDS,and PSQI scores in comparison to their baseline scores at week 4(P<0.05).In addition,the experimental group showed significantly greater reductions in SAS,SDS,and PSQI scores than those in the control group at week 4(P<0.05).Conclusions:TXP may be a promising treatment option for mild to moderate anxiety,offering a duel benefit of alleviating depression and promoting better sleep without any adverse effects.This study also references the effectiveness of traditional Chinese medicine aromatherapy for anxiety management.Further pharmacological and clinical studies are needed to observe the impact of TXP on emotional regulation in patients with anxiety. 展开更多
关键词 AROMATHERAPY Tanxiang prescription ANXIETY pilot trial
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A pilot randomized controlled trial of KangminⅠdecoction as a treatment for atopic eczema
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作者 MA Tian XIAO Qingqing +11 位作者 FEI Xiaoya ZHAO Huaibo LIU Liu CHAI Yuanyuan SUN Xiaoying WANG Yifei XU Rong CHEN Jie ZHOU Mi QIN Wanzhang LI Bin LI Xin 《World Journal of Integrated Traditional and Western Medicine》 2025年第1期10-18,共9页
Background:Atopic eczema is the most common type of skin disorder in both children and adults.It is characterized by erythema,pruritus,papules,xeransis,and lichenification.The KangminⅠdecoction,a Chinese herbal medic... Background:Atopic eczema is the most common type of skin disorder in both children and adults.It is characterized by erythema,pruritus,papules,xeransis,and lichenification.The KangminⅠdecoction,a Chinese herbal medicine prepared with several ingredients and used to treat eczema,was formulated according to traditional Chinese medicine theory.Objectives:To investigate the efficacy and safety of KangminⅠdecoction for treating atopic eczema compared to that of loratadine.Methods:90 patients were enrolled at the Yueyang Hospital of Integrated Traditional Chinese and Western Medicine and randomly divided into the KangminⅠdecoction treatment group(n=45)and loratadine control group(n=45).Clinical efficacy was evaluated using the Eczema Area and Severity Index(EASI),Dermatology Life Quality Index(DLQI),adverse events(AEs),and recurrence rates,which were compared between the groups.Results:Compared to the loratadine control group(51.16%,18.60%),the KangminⅠdecoction group(7.72%,4.55%)displayed a significantly reduced effective rate(x^(2)=8.324,P=0.040)and recurrence rate(x^(2)=4.225,P=0.040).The incidence of AEs was similar between the groups(P=0.502).Conclusions:These results support further development of KangminⅠdecoction for the treatment of eczema.The KangminⅠdecoction showed good efficacy with a low recurrence rate and tolerable AEs.The main limitations of this study include the small sample size and the short treatment and follow-up periods.Larger controlled studies are needed to more adequately evaluate both safety and efficacy. 展开更多
关键词 Atopic eczema The KangminⅠdecoction pilot randomized controlled trial
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Effectiveness and Safety of Moxibustion Robots on Primary Dysmenorrhea:A Randomized Controlled Pilot Trial 被引量:8
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作者 ZHANG Han-rui TU Hai-yan +4 位作者 WANG Yu XIA Shi-lin ZHAO Guo-you YANG Ting LI Ying-kun 《Chinese Journal of Integrative Medicine》 SCIE CAS CSCD 2021年第8期578-584,共7页
Objective To conduct a pilot trial to explore the effectiveness and safety of moxibustion robots in treating primary dysmenorrhea(PD)and evaluate its feasibility in clinic.Methods A total of 70 participants with PD we... Objective To conduct a pilot trial to explore the effectiveness and safety of moxibustion robots in treating primary dysmenorrhea(PD)and evaluate its feasibility in clinic.Methods A total of 70 participants with PD were allocated to either moxibustion robot(MR)group(35 cases)or manual moxibustion(MM)group(35 cases)using computer-generated randomization.One acupoint Guanyuan(CV 4)was selected to receive moxa heat stimulation.Two groups of participants were given 3 menstrual cycles of MM and MR treatment respectively(once a day,5 days a session)and received another 3 menstrual cycles follow-up.The degree of pain was evaluated by short-form McGill pain questionnaire(SF-MPQ)and the symptoms of dysmenorrhea were evaluated by Cox Menstrual Symptom Scale(CMSS).The safety was measured by the occurrence rate of adverse events(AEs),including burns(blisters,red and swollen),itching,bowel changes,menstrual cycle disorder,menorrhagia and fatigue,etc.Results A total of 62 patients completed the trial,32 in MR group and 30 in MM group.Compared with baseline,scores of SF-MPQ and CMSS significantly decreased in both groups(P<0.05),and no significant difference was observed between the two groups in the 3rd and 6th menstrual cycles(P>0.05).The total occurrence rate of AEs in MR group was 2.1%,which was significantly lower than MM group(7.2%,P<0.05).Conclusions MR has the same effect as MM at SF-MPQ and CMSS in patients with PD.However,MR is safer than MM(Trial registration No.ChiCTR1800018236). 展开更多
关键词 primary dysmenorrhea moxibustion robot randomized controlled pilot trial
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Group Exercise versus Personal Training for Prostate Cancer Patients: A Pilot Randomized Trial
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作者 Daniel Santa Mina Paul Ritvo +5 位作者 Andrew G. Matthew Ajay Rampersad Helga Stein Angela M. Cheung John Trachtenberg Shabbir M. H. Alibhai 《Journal of Cancer Therapy》 2012年第2期146-156,共11页
Background: Previous studies have demonstrated psychosocial and physical benefit from exercise for older men treated with androgen deprivation therapy (ADT) for prostate cancer (PCa). To date, different intervention d... Background: Previous studies have demonstrated psychosocial and physical benefit from exercise for older men treated with androgen deprivation therapy (ADT) for prostate cancer (PCa). To date, different intervention delivery methods have not been assessed. This study compared the effect of group-based exercise (GBE) to personal training (PT) in men undergoing ADT for PCa. Methods: 13 participants (mean age = 68.2, SD = 7.2) were randomly assigned to GBE or PT for 8 weeks. Participants exercised for 60 minutes three times per week at a moderate-vigorous intensity. Results: 10 participants completed the intervention. At post-intervention, the PT group improved: fatigue, systolic BP, waist circumference, body fat percentage, and maximal leg strength;participants in the GBE group improved leg strength. At 8 weeks, maximal upper body strength in the PT group was greater than the GBE group. There were no adverse events associated with moderate-high intensity training in this population of older men. Conclusion: PT may be more efficacious than GBE in improving several physical fitness outcomes and fatigue in men with PCa who are androgen deprived. Due to the small sample size and attrition, these results require cautious interpretation and confirmation from adequately powered trials. 展开更多
关键词 Group Exercise PERSONAL TRAINING PROSTATE Cancer pilot RANDOMIZED trial
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Supported Rehabilitation for Individuals Who Have Experienced a Stroke: A Pilot Control Trial
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作者 Charlotte Gaynor Laura Devaux +3 位作者 Morley Stephanie Kate Petropoulou Brendon Stubbs Andrew Soundy 《Open Journal of Therapy and Rehabilitation》 2016年第2期87-98,共12页
The purpose of this study was to pilot an innovative and supported intervention for individuals with a stroke. A pilot control trial with qualitative interviews was undertaken within a university- community setting. T... The purpose of this study was to pilot an innovative and supported intervention for individuals with a stroke. A pilot control trial with qualitative interviews was undertaken within a university- community setting. Thirteen individuals who had experienced a stroke for periods of least 6 months (6 male, average 71 years) were assigned to the intervention group and 7 individuals (2 male, average age 67.9 years) assigned to the control group. Eight individuals from the intervention group completed a single interview. The procedures that related to recruitment and retention and data collection methods were considered. Outcome measures including;self-efficacy, falls self-efficacy and group membership, for both groups were taken at baseline, 11 weeks, 22 weeks. There was an additional assessment at 52 weeks for the intervention group. The structured interview was designed to focus on experiences of the intervention. Self-efficacy remained stable across time for both groups. An improvement in falls self-efficacy was noted in the intervention group at 11 weeks. Consistent improvement (from baseline) was observed in the identity scale across the 52 weeks. Qualitative data provided additional findings related to identity and confidence. Details considering recruitment and retention are also provided. This pilot study provided data that can be used for a further full-scale trial to be considered. 展开更多
关键词 STROKE pilot Controlled trial EXERCISE REHABILITATION
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优化创新药临床试验审评审批试点实践与多方启示——以上海某临床试验机构为例
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作者 李彻 张玮静 +1 位作者 赖水琴 刘燕飞 《中国食品药品监管》 2026年第1期74-81,共8页
2024年7月,国家药监局印发《优化创新药临床试验审评审批试点工作方案》,将1类创新药临床试验申请的审评审批时限从60个工作日压缩至30个工作日,并首次明确要求临床试验申请获批后12周内启动临床试验。本文以上海某临床试验机构试点项... 2024年7月,国家药监局印发《优化创新药临床试验审评审批试点工作方案》,将1类创新药临床试验申请的审评审批时限从60个工作日压缩至30个工作日,并首次明确要求临床试验申请获批后12周内启动临床试验。本文以上海某临床试验机构试点项目为切入点,梳理其将该政策与临床实践高效结合的实践经验,探讨政策落地过程中为临床试验机构、监管部门、申请人、合同研究组织等多方主体带来的机遇与挑战,旨在为进一步优化我国创新药临床试验审评审批体系、深化监管改革、加速创新药研发进程提供实践参考与启示。 展开更多
关键词 创新药 临床试验 优化审评审批 试点工作 实践启示
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Effect of acupressure on postpartum low back pain, salivary cortisol, physical limitations, and depression: a randomized controlled pilot study 被引量:9
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作者 Cheng Hsuesh-Yu Carol Shieh +1 位作者 Wu Bei-Yu Cheng Yu-Fen 《Journal of Traditional Chinese Medicine》 SCIE CAS CSCD 2020年第1期128-136,共9页
OBJECTIVE:To investigate the effect of acupressure on postpartum low back pain(LBP),salivary cortisol,physical limitations,and postpartum depression.METHODS:Participants were 70 postpartum women who were randomly assi... OBJECTIVE:To investigate the effect of acupressure on postpartum low back pain(LBP),salivary cortisol,physical limitations,and postpartum depression.METHODS:Participants were 70 postpartum women who were randomly assigned to either an intervention(n=35)or a control(n=35)group.The intervention group received 10 acupressure sessions(1 session per day,5 d per week).The control group received 10 sham acupressure sessions.Outcomes were assessed using a visual analogue scale(LBP intensity),salivary cortisol values(LBP biomarker),and Chinese versions of the Roland-Morris Disability Questionnaire(daily activity limitations),Oswes-try Disability Index(physical activity limitations),and the Edinburgh Postnatal Depression Scale(postpartum depression).RESULTS:Participants in the intervention group had significantly lower levels of LBP intensity,daily activity limitations,physical activity limitations,and postpartum depression than those in the control group.There was no significant between-group difference in salivary cortisol.CONCLUSION:Acupressure may reduce postpartum LBP intensity and limitations in daily and physical activity,and alleviate postpartum depressive symptoms.Acupressure should be offered in postpartum care settings as an alternative treatment for postpartum women with LBP. 展开更多
关键词 ACUPRESSURE Low back pain POSTPARTUM period DEPRESSION RANDOMIZED CONTROLLED trial pilot projects
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Testing the feasibility and effects of a self-management support intervention for patients with cancer and their family caregivers to reduce pain and related symptoms (ANtiPain): Study protocol of a pilot study
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作者 Antje Koller Monika Hasemann +2 位作者 Karin Jaroslawski Sabina De Geest Gerhild Becker 《Open Journal of Nursing》 2014年第2期85-94,共10页
Despite effective treatment options, more than 40% of cancer patients receive inadequate pain management. Our previous pilot study resulted in substantial adaptations of a cancer pain self-management intervention, the... Despite effective treatment options, more than 40% of cancer patients receive inadequate pain management. Our previous pilot study resulted in substantial adaptations of a cancer pain self-management intervention, the German PRO-Self? Plus Pain Control Program originally developed in the United States. This program will be implemented into clinical practice at the Medical Center-University of Freiburg. The purpose of this multiple methods pilot study is to test the implementation regarding feasibility and effects in clinical practice. In a randomized, wait-list controlled pilot study, adult oncology in-patients of a palliative care consultation service with pain >3/10 will be recruited. The intervention will be performed by a specialized advanced practice nurse with an in-hospital visit and, after discharge, via phone calls and visits. The follow-up will be personalized according to a clinical algorithm that factors in pain intensity, satisfaction with pain management, and patient adherence. The intervention includes structured and tailored components and is based on three key strategies: information, skill building and nurse coaching. The specific aims of this study are threefold: 1) to test the feasibility of the study and intervention procedures;2) to establish effect sizes of main outcome variables (e.g. decrease pain intensity, reduce the number of patients with pain as main symptom) for subsequent power calculation;3) to explore participants’ experiences with pain self-management support and their view of burden and benefit from study participation in a qualitative substudy. During the study period, which includes three data collection time points (T0 before, T1 one week and T2 six weeks after discharge), data will be collected via field notes of study nurses and questionnaires of patients. The results of this pilot study will build the basis for a larger comparative effectiveness study in which long term outcomes of a cancer pain self-management intervention in clinical practice will be evaluated. 展开更多
关键词 NEOPLASMS PAIN Patient Education pilot RANDOMIZED Controlled trial
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针灸临床试验样本量估计的常见方法学困惑与解决策略 被引量:1
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作者 韩芳 周甜甜 +2 位作者 左佳鑫 王宏 胡晶 《针刺研究》 北大核心 2025年第10期1194-1198,共5页
样本量估计是临床试验设计的一个重要环节,直接关系到研究结论的可靠性和可重复性。当前研究者在进行针灸随机对照临床试验的样本量估计时仍然存在诸多方法学困惑,例如预试验是否需要进行样本量估计,样本量估计需要哪些参数,不同假设检... 样本量估计是临床试验设计的一个重要环节,直接关系到研究结论的可靠性和可重复性。当前研究者在进行针灸随机对照临床试验的样本量估计时仍然存在诸多方法学困惑,例如预试验是否需要进行样本量估计,样本量估计需要哪些参数,不同假设检验类型的样本量估计方法是否相同,多个主要结局指标或多个组别时如何进行样本量估计,以及样本量估计部分应该如何进行规范报告。基于此,本文针对针灸预试验和确证性试验中样本量估计的这些常见问题进行探讨并提出解决策略,以期为针灸临床研究者进行临床试验的样本量估计提供参考。 展开更多
关键词 针灸 随机对照试验 样本量估计 预试验 确证性试验
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绿色金融改革创新试验区对资源型制造业转型升级的影响研究
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作者 朱俏俏 伍乔文 +1 位作者 裴浩元 李欣然 《资源与产业》 2025年第5期20-35,共16页
资源型制造业作为我国工业经济的重要支柱,其转型升级进程直接关系到经济结构优化、绿色低碳发展以及高质量发展战略的推进,绿色金融改革创新是助力资源型制造业转型升级的重要手段,而绿色金融改革创新试验区的设立为探索绿色金融改革... 资源型制造业作为我国工业经济的重要支柱,其转型升级进程直接关系到经济结构优化、绿色低碳发展以及高质量发展战略的推进,绿色金融改革创新是助力资源型制造业转型升级的重要手段,而绿色金融改革创新试验区的设立为探索绿色金融改革创新提供了重要政策试验平台。为了研究绿色金融改革创新试验区对资源型制造业转型升级的影响,首先使用DEA-Malmquist方法测算资源型制造业的转型升级水平;其次基于2011—2020年省级层面资源型制造业行业类别的面板数据,采用合成控制法实证检验绿色金融改革创新试验区试点政策对资源型制造业转型升级的影响效果及异质性影响效应;最后使用空间计量模型检验空间溢出效果,并进一步运用中介效应和调节效应模型进行机制检验。研究发现:1)绿色金融改革创新试验区政策显著促进了资源型制造业转型升级,且通过了DID估计、安慰剂检验和排序检验等稳健性检验。异质性分析表明贵州的政策效果最显著,其次是广东、江西、浙江、新疆。2)空间溢出效应表明绿色金融改革创新试验区政策对资源型制造业转型升级具有“本地-邻地”效应,该政策通过经济关联效应、示范效应、竞争效应等多种效应的发挥,不仅促进了本地区资源型制造业的转型升级,对周边地区资源型制造业的转型升级同样具有拉动作用。3)机制分析表明,绿色金融改革创新试验区政策可以通过政策正向激励、外部资金驱动、创新补偿溢价等方式提高资源型制造业的绿色技术创新水平;可以通过强化全面监督、环境信息传导、市场正向筛选等途径优化资源型制造业的金融资源配置;还可以通过绿色工具支持、企业结构优化、绿色设备引进等措施提升其能源利用效率,从而促进了资源型制造业转型升级;政府支持力度的加大能强化绿色金融改革创新试验区政策对资源型制造业转型升级的影响效果。本文研究的绿色金融改革创新试验区对资源型制造业的外生冲击为完善绿色金融改革创新试验区政策和推动资源型制造业转型升级提供了政策启示。 展开更多
关键词 绿色金融改革创新试验区 试点政策 资源型制造业 转型升级
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Neoadjuvant chemotherapy plus anlotinib in the treatment of resectable head and neck squamous cell carcinoma:A pilot phase II trial 被引量:1
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作者 Qianting He Shuojin Huang +9 位作者 Dongxiao Tang Congyuan Cao Wanhang Zhou Rongsong Ling Jie Chen Bokai Yun Xin Zheng Yanchen Li Anxun Wang Demeng Chen 《Cancer Communications》 2025年第5期632-636,共5页
Head and neck squamous cell carcinoma(HNSCC)continues to be a major global health challenge,with limited survival improvements for patients with locally advanced(LA)or recurrent(R)disease[1].Anlotinib,a novel orally a... Head and neck squamous cell carcinoma(HNSCC)continues to be a major global health challenge,with limited survival improvements for patients with locally advanced(LA)or recurrent(R)disease[1].Anlotinib,a novel orally administered small-molecule tyrosine kinase inhibitor(TKI)developed in China,targets a wide range of receptor tyrosine kinases(RTKs)[2]. 展开更多
关键词 neoadjuvant chemotherapy locally advanced tyrosine kinase inhibitor tki developed head neck squamous cell carcinoma hnscc continues pilot phase ii trial receptor tyrosine kinases rtks resectable head neck squamous cell carcinoma RECURRENT
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电针不同穴方治疗功能性便秘疗效比较:随机对照预试验 被引量:29
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作者 吴佳霓 张碧莹 +2 位作者 朱文增 杜若桑 刘志顺 《中国针灸》 CAS CSCD 北大核心 2014年第6期521-528,共8页
目的:初步评价电针不同穴方治疗功能性便秘的疗效差异,寻找治疗功能性便秘的较佳穴位组方。方法:将104例患者随机分为俞募配穴组(19例)、合穴配穴组(34例)、合募俞配穴组(26例)和西药对照组(25例)。俞募配穴组电针双侧天枢、大肠俞;合... 目的:初步评价电针不同穴方治疗功能性便秘的疗效差异,寻找治疗功能性便秘的较佳穴位组方。方法:将104例患者随机分为俞募配穴组(19例)、合穴配穴组(34例)、合募俞配穴组(26例)和西药对照组(25例)。俞募配穴组电针双侧天枢、大肠俞;合穴配穴组电针双侧曲池、上巨虚;合募俞配穴组电针单侧天枢、大肠俞、曲池、上巨虚,以上3组前两周均每周治疗5次,后两周每周治疗3次。西药对照组口服枸橼酸莫沙必利片,每次1片(5mg),每天3次,连续口服4周。研究周期9周,包括基线评价1周、治疗4周、随访4周。以周自主排便次数为主要指标,排便困难程度和生活质量评分为次要指标进行治疗后和随访疗效评价。结果:根据意向性治疗(ITT)分析原则,将104例患者全部纳入分析。(1)治疗后4组患者周自主排便次数均显著增加(P<0.05,P<0.01),3个电针组与西药对照组疗效相当(P>0.05);随访时合穴配穴组可继续维持周排便次数的增加效应(P<0.01),且优于俞募配穴组和西药对照组(P<0.05,P<0.01),而其余3组周排便次数没有良好改善(P>0.05)。(2)治疗后合穴配穴组、合募俞配穴组和西药对照组对排便困难程度均有改善(P<0.05,P<0.01);随访时合穴配穴组和合募俞配穴组依然改善显著(均P<0.01)。(3)治疗后合穴配穴组患者生活质量评分显著提高(P<0.05),其余3组与治疗前比较差异无统计学意义(均P>0.05)。结论:3个电针组均可有效增加周自主排便次数,与西药枸橼酸莫沙必利疗效相当。针刺双侧曲池、上巨虚的合穴配穴法能显著增加周自主排便次数,改善排便困难程度和患者生活质量,针刺疗效可持续4周,是治疗功能性便秘的较佳穴位组方。 展开更多
关键词 功能性便秘 电针 预试验 随机对照试验
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电针治疗严重功能性便秘有效性的随机对照预试验 被引量:20
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作者 吴佳霓 张碧莹 +4 位作者 许焕芳 杜若桑 莫倩 王伟明 刘志顺 《中华中医药杂志》 CAS CSCD 北大核心 2014年第5期1424-1428,共5页
目的:初步评价电针治疗严重功能性便秘的有效性,比较电针与假电针的疗效。方法:120例患严重功能性便秘的患者随机分为电针组和假电针组,每组60例。电针组电针双侧天枢、腹结、上巨虚;假电针组安慰针针刺双侧天枢、腹结、上巨虚非穴点。... 目的:初步评价电针治疗严重功能性便秘的有效性,比较电针与假电针的疗效。方法:120例患严重功能性便秘的患者随机分为电针组和假电针组,每组60例。电针组电针双侧天枢、腹结、上巨虚;假电针组安慰针针刺双侧天枢、腹结、上巨虚非穴点。基线评价2周,治疗8周,随访12周。观察治疗8周(同时评价治疗前4周和后4周)和随访12周平均周完全自主排便次数(CSBMs)≥3次比例及与基线相比CSBMs的变化;以及与基线相比,治疗8周平均周自主排便次数(SBMs)、粪便性状和排便困难程度的变化。结果:电针组前4周治疗、后4周治疗、治疗8周及随访12周平均周CSBMs≥3次的比例依次为21.67%、50.00%、31.67%和40.00%;假电针组的比例依次为15.00%、33.33%、25.00%和20.00%。随访12周平均周CSBM≥3次的比例两组比较差异具统计学意义(P<0.05)。与基线相比,两组均可显著增加平均周CSBMs和平均周SBMs,并显著改善粪便性状和排便困难程度(P<0.01)。与假电针组相比,电针组对治疗后4周、治疗8周,随访12周平均周CSBMs及治疗8周平均周SBMs增加更显著(P<0.05,P<0.01);电针组治疗8周平均周粪便性状、排便困难程度优于假电针组(P<0.05),改善程度上两者差异不明显。两组均未见明显不良反应。结论:电针和假电针均可增加严重功能性便秘的完全周自主排便次数和周自主排便次数,并可改善粪便性状和排便困难程度。治疗期后期疗效和随访疗效电针优于假电针。 展开更多
关键词 严重功能性便秘 电针 假电针 随机对照 预试验
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工厂化条件下外源添加剂对猪粪堆肥过程中NH_(3)和H_(2)S的减排效果 被引量:16
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作者 宋修超 郭德杰 +5 位作者 成卫民 罗佳 徐烨红 王光飞 刘新红 马艳 《农业环境科学学报》 CAS CSCD 北大核心 2021年第9期2014-2020,共7页
为了探究工厂化条件下不同添加剂对猪粪秸秆好氧堆肥过程中氮素和硫素转化规律的影响,掌握其对堆肥过程中NH_(3)和H_(2)S气体减排效果,本文共设置4个处理:沸石(质量分数10%)、过磷酸钙(质量分数5%)单独添加及二者同时添加,同时以无添加... 为了探究工厂化条件下不同添加剂对猪粪秸秆好氧堆肥过程中氮素和硫素转化规律的影响,掌握其对堆肥过程中NH_(3)和H_(2)S气体减排效果,本文共设置4个处理:沸石(质量分数10%)、过磷酸钙(质量分数5%)单独添加及二者同时添加,同时以无添加剂的处理作为对照。结果表明,不同添加剂对堆肥温度影响差异较小;与对照处理相比,单独添加沸石的堆肥产物全氮和全硫含量分别提高17.5%和17.1%,而单独添加过磷酸钙则分别提高26.1%和40.6%,二者同时添加保氮效果最佳,全氮含量提高32.1%,全硫增加52.8%;沸石通过吸附作用可以使堆肥过程中NH_(3)和H_(2)S的排放分别减少8.2%和9.4%。过磷酸钙能够通过提高堆体铵态氮含量,减少NH_(3)释放,减排率达37.6%,但由于过磷酸钙中含有较多的硫,导致H_(2)S排放量增加;两种添加剂同时添加对NH_(3)和H_(2)S减排效果与单独过磷酸钙添加处理差异较小。综合考虑堆肥品质和NH_(3)减排效果,工厂化堆肥过程中添加一定量过磷酸钙可以达到很好的除臭、保氮效果,过磷酸钙与沸石同时添加并没有协同强化作用,但过磷酸钙添加应该配合恰当的工艺参数,否则有增加H_(2)S释放的风险。 展开更多
关键词 畜禽粪便 工厂化 好氧堆肥 硫化氢
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泡沫复合驱研究 被引量:20
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作者 赵长久 么世椿 +2 位作者 鹿守亮 杨振宇 伍晓林 《油田化学》 CAS CSCD 北大核心 2004年第4期357-360,共4页
讨论了泡沫三元复合驱的基本原理。介绍了室内实验研究结果。根据二元(AS)和三元(ASP)复合体系/天然气泡沫综合指数(Fq)等值图,选择石油磺酸盐ORS 41(及国产品AOS)为发泡剂;ORS 41浓度为1~4g/L、NaOH浓度为6~12g/L的二元体系产生超低... 讨论了泡沫三元复合驱的基本原理。介绍了室内实验研究结果。根据二元(AS)和三元(ASP)复合体系/天然气泡沫综合指数(Fq)等值图,选择石油磺酸盐ORS 41(及国产品AOS)为发泡剂;ORS 41浓度为1~4g/L、NaOH浓度为6~12g/L的二元体系产生超低界面张力,与天然气形成的泡沫按Fq具有中等强度,加入≤1 2g/L聚合物可使泡沫稳定,性能改善。在3个岩心上泡沫三元复合体系在水驱基础上提高采收率28 7%~39 4%。气液比越大,泡沫体系提高采收率幅度越大,但注入粘度越大。取气液比为1∶1。气液同时注入比交替注入的采收率高。在6个岩心上气液交替注入时,气液段塞越小,交替频率越大,采收率提高越多,在水驱基础上可提高30%以上。先导试验方案规定前置AP段塞0 02PV,气液比1∶1交替注入主段塞0 55PV和副段塞0 3PV,后续P段塞0 2PV,注入流量0 4PV/a。先导试验区6注10采,在大庆油田北二区东部,1984~1994年曾进行天然气驱,提高采收率12 9%,试验开始时采出程度43 8%,综合含水97 2%。试验于1997 02 20开始,2002 04先期结束,注天然气仅0 19PV,气液比0 34∶1,中心井含水91 5%,全区采收率增加21 85%,2口中心井采收率增加22 58%。试验动态和数值模拟表明采收率增加应>25%。图3表2参3。 展开更多
关键词 泡沫复合驱 泡沫综合指数 超低界面张力 三元复合体系 交替注入 采收率 三元复合驱 石油磺酸盐 1994年 气液比 基本原理 研究结果 室内实验 二元体系 NaOH 性能改善 泡沫体系 试验方案 大庆油田 采出程度 注天然气 数值模拟
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光触媒空气净化水性漆的中试及工程应用 被引量:3
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作者 宋建荣 宋静 +2 位作者 张卫东 张涛 蒋立红 《涂料工业》 CAS CSCD 北大核心 2014年第8期54-59,62,共7页
光触媒空气净化漆是一种新型水性功能涂料,能够主动分解空气中的有机污染物。本研究在实验室配方研发的基础上,阐述如何开展中试研究,以及工程应用效果等内容。具体包括生产工艺优化、设备选型、厂房设计、产品结构设计、工程案例等,结... 光触媒空气净化漆是一种新型水性功能涂料,能够主动分解空气中的有机污染物。本研究在实验室配方研发的基础上,阐述如何开展中试研究,以及工程应用效果等内容。具体包括生产工艺优化、设备选型、厂房设计、产品结构设计、工程案例等,结果表明:通过中试所形成的光触媒空气净化产品,各项性能指标优于国家标准的要求,空气净化效果明显,工程应用反映良好。 展开更多
关键词 光触媒 空气净化 水性漆 中试 工程应用
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胡状集油田胡5-15井区天然混合羧酸盐/黄胞胶驱油先导试验 被引量:7
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作者 江建林 郭东方 +4 位作者 李雪峰 赵平文 王新君 吴秀丽 黎贵青 《油田化学》 CAS CSCD 北大核心 2003年第1期58-60,共3页
报道了在室内实验研究中得到的混合天然羧酸盐/烷基磺基甜菜碱/黄胞胶复合驱油段塞结构:预冲洗段塞,10g/LKCl溶液;前置聚合物段塞,1500mg/L黄胞胶溶液;主驱油段塞,1.5×104mg/L混合天然羧酸盐+800mg/L烷基磺基甜菜碱DSB+800mg/L黄胞... 报道了在室内实验研究中得到的混合天然羧酸盐/烷基磺基甜菜碱/黄胞胶复合驱油段塞结构:预冲洗段塞,10g/LKCl溶液;前置聚合物段塞,1500mg/L黄胞胶溶液;主驱油段塞,1.5×104mg/L混合天然羧酸盐+800mg/L烷基磺基甜菜碱DSB+800mg/L黄胞胶+5×103mg/L复碱(质量比1∶1的Na2CO3+NaHCO3)溶液;后置聚合物段塞,1000mg/L黄胞胶溶液。在岩心流动实验中0.3PV主段塞在水驱基础上提高采收率18.19%。胡状集油田胡5 15井区采出程度18.48%,油藏温度86℃,地层水矿化度1.7×105mg/L,Ca2+浓度4799mg/L,Mg2+浓度830mg/L,有油、水井各5口,综合含水已达96%(92%~99%)。从2000 01 24到2001 03 20,在5口注水井中依次注入预冲洗液2920m3,前置液2920m3,主驱油液49640m3(除一口井外均不加复碱),后置液2920m3,5口油井均见效,一些油井有效期超过20个月,油井产油量增加,含水下降,自然递减降低62.7%,采油速度升高0.46%。图3表2参3。 展开更多
关键词 胡状集油田 胡5-15井区 表面活性剂/生物聚合物驱油剂 混合天然羧酸盐 烷基磺基甜菜碱 黄胞胶 段塞结构 先导驱油 试验
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本源微生物激活/调驱复合体系先导试验研究 被引量:2
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作者 柳敏 程海鹰 +4 位作者 冯庆贤 闫云贵 汪娟娟 梁建春 李晓利 《油田化学》 CAS CSCD 北大核心 2010年第1期96-99,54,共5页
所报道的复合体系中,本源菌激活/调驱剂由好氧、厌氧菌激活物和吸水膨胀颗粒按3∶1∶1质量比组成,含有淀粉56.0%、蛋白质13.0%、纤维素10.5%、矿物质5.3%、脂肪4.2%,另外加有聚合物作为固体颗粒悬浮剂。注入复合体系后随即注入空气激活... 所报道的复合体系中,本源菌激活/调驱剂由好氧、厌氧菌激活物和吸水膨胀颗粒按3∶1∶1质量比组成,含有淀粉56.0%、蛋白质13.0%、纤维素10.5%、矿物质5.3%、脂肪4.2%,另外加有聚合物作为固体颗粒悬浮剂。注入复合体系后随即注入空气激活好氧菌。先导试验在有5口油井、含水平均94.1%的羊丛14井组实施两轮,在有6口油井、含水40.7%~95.0%的港西42-6-1井组实施一轮。通过羊丛14井组第一轮试验,根据注入压力将激活/调驱剂浓度由30g/L提高至50g/L,将聚合物浓度由0.4g/L提高至1.0g/L;根据3口油井菌数变化并考虑化学需氧量,将按激活半径1.5m、孔隙中气液比3∶1计算的注入空气量920m3大幅提高至7000m3;注空气工艺由双段塞式改为五段塞式,每月注一次,每次1400m3,共注5次。激活/调驱施工后注水压力上升,油井产出水中FMB、HDB菌数增加,SRB菌数减少,一些油井产油量增加,港西42-6-1井组试验有经济效益。一部分油井未见效果的原因有待深入研究。 展开更多
关键词 本源微生物驱油 深部调剖 微生物激活剂/调剖剂 复合体系 组成与配方 注空气 注入工艺 先导试验 大港油田
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辽河油田兴42块兴53井组MD膜驱油研究 被引量:40
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作者 高芒来 陈素青 +2 位作者 孟秀霞 陈定珊 潘惠芳 《油田化学》 CAS CSCD 北大核心 2003年第1期65-69.7,共6页
将辽河油田兴42油藏岩心以不同方式处理并饱和兴隆台采油厂脱气脱水原油,在65~67℃下用兴二联回注水驱替至流出液含水98%,再用MD 1膜驱剂(一种单分子双季铵盐,分析试剂)的0.01mmol/L水溶液驱替至含水98%,得到了如下驱油结果并从MD膜驱... 将辽河油田兴42油藏岩心以不同方式处理并饱和兴隆台采油厂脱气脱水原油,在65~67℃下用兴二联回注水驱替至流出液含水98%,再用MD 1膜驱剂(一种单分子双季铵盐,分析试剂)的0.01mmol/L水溶液驱替至含水98%,得到了如下驱油结果并从MD膜驱油机理作了解释:在水驱基础上MD膜驱提高采收率的幅度,在直接饱和原油的岩心上一般很高,3个岩心为13.32%~15.73%,1个岩心为8.86%;在含束缚水的油饱和岩心上略低(15.92%和9.37%);在洗油、洗盐的含束缚水的油饱和岩心上极低(1.96%);在油中长期浸泡后的洗油、洗盐、含束缚水油饱和岩心上则很高(16.19%和15.93%);在直接饱和油的非油藏岩心上很低(4.04%)。在兴42块兴53一注五采高含水井组实施了MD膜驱油先导性矿场试验(井组油井含水80.0%~98.3%,平均92.4%),1998年5~10月注入有效成分25%的工业膜驱剂40t,注入液浓度2500~3000mg/L,注入总量0.005PV。5口采油井中有4口增产油、增产气并减产水,有效期超过2年。截止2000年11月有效期尚未结束,每注入1t工业膜驱剂已增产原油172t,经济效益可观。给出并讨论了膜驱油前后全井组和2口典型井的产油、含水曲线及全井组产气曲线。膜驱油过程伴随油井增产气过程,其特点是检验膜驱是否有效及有效期长短的矿场判据。图5表4表5。 展开更多
关键词 辽河油田 兴42块兴53井组 MD膜驱油 研究 分子沉积 MD膜驱剂 单分子双季铵盐 岩心驱替实验 驱油效率 先导性矿场试验
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试点政策的模糊性与扩散模式分析——一个新的解释框架与实践样态 被引量:20
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作者 李兆友 郑晓敏 《求实》 CSSCI 北大核心 2022年第6期26-36,M0004,共12页
政策试点推动了中国改革进程,是理解中国政策扩散的本土化机制。相较于西方联邦制国家分散的政治结构,中国的政策扩散是建立在纵横交织的府际关系基础之上的,央地政府权力处于动态调整过程中。模糊性是政府在制定和执行公共政策过程中... 政策试点推动了中国改革进程,是理解中国政策扩散的本土化机制。相较于西方联邦制国家分散的政治结构,中国的政策扩散是建立在纵横交织的府际关系基础之上的,央地政府权力处于动态调整过程中。模糊性是政府在制定和执行公共政策过程中无法回避的客观事实,将其嵌入政策扩散,就为解释政策属性与扩散模式之间的关系提供了一个新的观察视角。根据政策模糊性这一属性,将试点政策的扩散模式分为倡议式、扩张式、驱动式、互动式四种类型,可以了解不同类型扩散模式的内涵和逻辑。 展开更多
关键词 公共政策 政策试点 政策扩散 试点政策 政策模糊性 “先行先试”
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