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TIPS联合胃冠状静脉栓塞治疗肝硬化门静脉高压伴上消化道出血

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介入放射学杂志 2017年第7期26卷 601-606页

作者：张铠赵卫成都军区昆明总医院血管外科昆明650032 昆明医科大学第一附属医院医学影像中心

目的对比单纯TIPS和TIPS联合胃冠状静脉栓塞术(GCVE)治疗肝硬化门静脉高压症(PHT)伴上消化道出血(UGH),分析TIPS和GCVE联合应用的必要性、可行性及临床疗效。方法回顾性分析2010年4月至2012年5月收治的38例PHT伴UGH患者临床资料,其中接... 详细信息

目的对比单纯TIPS和TIPS联合胃冠状静脉栓塞术(GCVE)治疗肝硬化门静脉高压症(PHT)伴上消化道出血(UGH),分析TIPS和GCVE联合应用的必要性、可行性及临床疗效。方法回顾性分析2010年4月至2012年5月收治的38例PHT伴UGH患者临床资料,其中接受单纯TIPS治疗15例(A组),TIPS联合GCVE治疗23例(B组),观察分析手术前后血液指标、门静脉及脾脏血流动力学、脾脏形态学、消化道静脉曲张程度变化。随访术后并发症发生情况。结果两组术后门静脉压降低、流速加快、脾静脉淤血指数降低均较术前明显(P0.05)。两组术后肝性脑病(HE)发生率、支架原发通畅率差异均无统计学意义(P>0.05)。两组再介入通畅率均为100%,支架远端位于门静脉左支者HE发生率显著低于位于右支者(P<0.05)。结论 TIPS联合GCVE治疗肝硬化PHT伴UGH疗效确切,优于单纯TIPS。

关键词：经颈静脉肝内门体静脉分流术胃冠状静脉栓塞术门静脉高压症上消化道出血脾功能亢进

Clinical observation on prevention of chemotherapy infection in gastric cancer by moxa-stick moxibustion plus rhG-CSF and its effect on immune function

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Journal of Acupuncture and Tuina Science 2020年第2期18卷 116-121页

作者： zhang Huan-huan Shen Lei zhang kai-wei Department of Oncology Changxing Hospital of Traditional Chinese MedicineZhejiang 313100China 不详

Objective:To observe the effect of moxa-stick moxibustion plus recombinant human granulocyte-colony stimulating factor(rhG-CSF)in preventing chemotherapy infection in gastric cancer and its effect on immune ***:A total of 70 patients with gastric cancer treated by chemotherapy were randomly divided into an observation group and a control group,with 35 cases in each *** control group was given rhG-CSF,and the observation group was given additional moxa-stick moxibustion on the basis of *** groups were treated for 2 chemotherapy cycles,totally 6 *** number of patients with infection,the duration of infection and the duration of continuous use of antibiotics were *** leukocytes and granulocytes counts,the levels of tumor necrosis factor-a(TNF-a)and interferon-γ(IFN-γ)were measured before and after treatment,and the levels of CD4,CD8 and natural killer(NK)cells were ***:The infection rate of the observation group was significantly lower than that of the control group(P0.05).Conclusion:Moxa-stick moxibustion plus rhG-CSF can significantly reduce the incidence and severity of chemotherapy infection in gastric cancer,increase the leukocytes and granulocytes counts,and regulate the levels of inflammatory factors,which may be related to the improvement of the immune function of the patients.

关键词： Acupuncture-moxibustion Therapy Moxibustion Therapy Moxa Stick Moxibustion Neoplasms Stomach Drug Therapy Infections

Endovenous laser ablation of great saphenous vein with ultrasound-guided perivenous tumescence： early and midterm results

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Chinese Medical Journal 2013年第3期126卷 421-425页

作者： CHEN Jia-quan XIE Hui DENG Hao-yu YUAN kai zhang Ji-wei zhang Hao zhang Lan Department of Vascular Surgery Renji Hospital School of Medicine Shanghai Jiao Tong University Shanghai 200127 China

Background Endovenous laser ablation （EVLA） is an improved method to treat varicose great saphenous veins （GSV） with a high satisfactory rate. This study aimed to evaluate the efficiency and safety of treatment by EVLA procedures with ultrasound-guided perivenous tumescence. Methods Thirty-one patients （31 limbs） with symptomatic varicose vein primary to chronic venous insufficiency （CVI） treated with EVLA were prospectively studied. The entire procedure was performed under ultrasound-guided tumescent local anesthesia. The patients were evaluated with a 18 month follow-up postoperation using clinical examination and venous duplex ultrasonography. Pain scores and quality of life （QOL） were recorded using visual analog scale （VAS） and the chronic venous insufficiency questionnaire （CIVIQ） at 1 week, 1 month, and 12 months after operation. Results All patients tolerated EVLA procedure well. The overall success occlusion rates of GSV were 92%, 94%, and 94% at 1, 12, and 18 months follow-up, respectively. The score of CIVIQ one week preoperation was 69.14±11.44 while that of CIVIQ one month postoperation was 85.32±4.89. The life quality has significantly improved after the operation of EVLA （t=12.71, P 〈0.05）. The VAS one month after treatment was lower than 1 week before therapy （t=8.048, P 〈0.05）. Major complications such as deep vein thrombosis and skin burns were not found. Most of the complications were minor and improved quickly. Conclusions This refinement type of EVLA procedure is a safe and effective treatment with a high satisfaction rate; it displayed noteworthy features including shortening hospitalization, early ambulant activity, and preferable occlusion rates.

关键词： endovenous laser ablation great saphenous vein occlusion tumescent anaesthesia

Defects‑Rich Heterostructures Trigger Strong Polarization Coupling in Sulfides/Carbon Composites with Robust Electromagnetic Wave Absorption

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Nano-Micro Letters 2025年第1期17卷 528-547页

作者： Jiaolong Liu Siyu zhang Dan Qu Xuejiao Zhou Moxuan Yin Chenxuan Wang Xuelin zhang Sichen Li Peijun zhang Yuqi Zhou kai Tao Mengyang Li Bing wei Hongjing Wu Mengyang Li Bing wei Hongjing Wu School of Physics Xidian UniversityXi’an 710071People’s Republic of China School of Advanced Materials and Nanotechnology State Key Discipline Laboratory of Wide Band Gap Semiconductor TechnologyXidian UniversityXi’an 710071People’s Republic of China School of Microelectronics Xidian UniversityXi’an 710071People’s Republic of China School of Telecommunication Engineering Xidian UniversityXi’an 710071People’s Republic of China MOE Key Laboratory of Material Physics and Chemistry Under Extraordinary School of Physical Science and TechnologyNorthwestern Polytechnical UniversityXi’an 710072People’s Republic of China The Ministry of Education Key Laboratory of Micro and Nano Systems forAerospace School of Mechanical EngineeringNorthwestern PolytechnicalUniversityXi’an 710072People’s Republic of China

Defects-rich heterointerfaces integrated with adjustable crystalline phases and atom vacancies,as well as veiled dielectric-responsive character,are instrumental in electromagnetic *** methods,however,constrain their delicate ***,an innovative alternative is proposed:carrageenan-assistant cations-regulated(CACR)strategy,which induces a series of sulfides nanoparticles rooted in situ on the surface of carbon *** unique configuration originates from strategic vacancy formation energy of sulfides and strong sulfides-carbon support interaction,benefiting the delicate construction of defects-rich heterostructures in M_(x)S_(y)/carbon composites(M-CAs).Impressively,these generated sulfur vacancies are firstly found to strengthen electron accumulation/consumption ability at heterointerfaces and,simultaneously,induct local asymmetry of electronic structure to evoke large dipole moment,ultimately leading to polarization coupling,i.e.,defect-type interfacial ***“Janus effect”(Janus effect means versatility,as in the Greek two-headed Janus)of interfacial sulfur vacancies is intuitively confirmed by both theoretical and experimental investigations for the first ***,the sulfur vacancies-rich heterostructured Co/Ni-CAs displays broad absorption bandwidth of 6.76 GHz at only 1.8 mm,compared to sulfur vacancies-free CAs without any dielectric *** defects-rich heterostructures,this one-pot CACR strategy may steer the design and development of advanced nanomaterials,boosting functionality across diverse application domains beyond electromagnetic response.

关键词： Defects-rich heterointerfaces Sulfides Polarization coupling Electromagnetic wave absorption

Clinical study on Jin's three-needle therapy for post-stroke cognitive impairment

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Journal of Acupuncture and Tuina Science 2020年第1期18卷 40-46页

作者： Yao Rui Gong Zun-ke zhang kai-wei Xuzhou Hospital Affiliated to Nanjing University of Chinese Medicine Jiangsu 221000China Department of Rehabilitation Science of Xuzhou Central Hospital Jiangsu 221000China 不详

Objective:To observe the clinical efficacy of Jin's three-needle therapy on post-stroke cognitive impairment(PSCI)and the effect on neuroelectrophysiology(event-related potentials).Methods:A total of 60 PSCI patients were selected and divided into a treatment group and a control group according to the method of random number table,with 30 cases in each *** patients in the control group received routine treatment while the patients in the treatment group received additional Jin's three-needle *** treatment for both groups lasted four ***-mental state examination(MMSE)and Montreal cognitive assessment(MoCA)scores as well as amplitude and latency of potential 300(P300)were adopted to compare the between-group results before and after ***:Before treatment,there were no significant differences(all P>0.05)in MMSE and MoCA scores,P300 latency and P300 amplitude between the two *** 4 weeks of treatment,the MMSE and MoCA scores and P300 amplitudes were improved in both groups,and the P300 latencies became *** results showed significant intra-group and between-group differences(all P<0.05).Conclusion:Based on the routine treatment,Jin's three-needle therapy is effective for *** mechanism is probably through its regulation on the patients'neuroelectrophysiology.

关键词： Acupuncture Therapy Jin's Three-needle Scalp Stimulation Areas Post-stroke Syndrome Cognitive Dysfunction Neuropsychological Scale Psychiatric Status Rating Scales Event-related Potential,P300

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炮用象限仪角度测量不确定度的评定方法

兵工学报 2017年第4期38卷 817-823页

作者：文海程斌张开维中国华阴兵器试验中心计量测试站陕西华阴714200

竞争择优任务要求炮用象限仪角度测量结果给出不确定度,以便于不同行业领域的理解、交流和比对。在评定测量不确定度的过程中,鉴于实际工程测量样本量小而难以实施A类评定的问题,提出用实验室校准过程近似实际测量过程,利用历史校准数... 详细信息

竞争择优任务要求炮用象限仪角度测量结果给出不确定度,以便于不同行业领域的理解、交流和比对。在评定测量不确定度的过程中,鉴于实际工程测量样本量小而难以实施A类评定的问题,提出用实验室校准过程近似实际测量过程,利用历史校准数据和线性回归方法,建立了基于统计过程控制技术的A类评定方法,以某型炮用象限仪的历史校准数据并结合MATLAB工具验证该方法可行。用测量不确定传递率法得到了该型炮用象限仪测量范围内任意角度上的扩展不确定度曲线,并用蒙特卡洛法对其进行了验证。

关键词：兵器科学与技术炮用象限仪测量不确定度统计过程控制 GUM法蒙特卡洛法

Melting Evaluation of Phase Change Materials Impregnated into Cascaded Metal Foams with Regionalized Enhancement

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Journal of Thermal Science 2025年第1期34卷 223-241页

作者： wei Xinyi zhang Nan zhang Zhaoli CAO Xiaoling YUAN Yanping School of Mechanical Engineering Southwest Jiaotong University

Metal foam promotes the heat transfer of phase change materials(PCMs) in the penalty of reducing the energy storage density of the composite *** this work,the effects of constant porosity(0.96,0.94,0.92,or 0.90) and pore density(PPI) of metal foam on heat transfer of composite PCMs are *** rate could be enhanced by employing with low porosity copper ***,aiming to the right bottom phase changing "dead region",a regionalized enhancement strategy of cascaded metal foams is *** dynamic melting performances of all the composite PCMs are comprehensively *** results reveal that the cascaded configuration is beneficial for *** show that the horizontal strategy enhances melting performance:a maximum of 17.98% reduction in total melting time could be reached when the rear part porosity is 90%.The energy storage density rate could be raised by 5.48%.Besides,the vertical strategy performs with a better average temperature uniformity of 0.441 and brings a lower temperature in the heated *** sum up,the regionalized enhancement of copper foam provides better performance in the phase change *** shows significant potential for solar heat storage and thermal protection.

关键词： copper metal foam heat transfer enhancement phase change materials regionalized enhancement

基于贝叶斯定理的异重流水卷吸经验式不确定性研究

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山东农业大学学报（自然科学版） 2018年第2期49卷 244-246,351页

作者：张维凯浙江大学海洋学院浙江舟山316000

为获取了异重流水卷吸公式中经验系数(A、B)的大量样本,本文基于贝叶斯定理的Metropolis-Hastings随机采样方法,结合现有异重流水卷吸实验数据,经对样本统计分析表明:概率最大的A、B样本取值与原公式取值相近。95%A、B样本相对于概率最... 详细信息

为获取了异重流水卷吸公式中经验系数(A、B)的大量样本,本文基于贝叶斯定理的Metropolis-Hastings随机采样方法,结合现有异重流水卷吸实验数据,经对样本统计分析表明:概率最大的A、B样本取值与原公式取值相近。95%A、B样本相对于概率最大的样本取值范围分别为[51%,630%]和[63%,1200%],比25%样本的经验系数取值范围明显扩大,因此,经验系数具有较大的不确定性,且B远大于A,当确定经验式时,尤其要注意B的取值。

关键词：异重流水卷吸经验关系式贝叶斯定理不确定性

Aerodynamic Optimization and Flow Mechanism for a Compressor Cascade at Low Reynolds Number

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Journal of Thermal Science 2025年第1期34卷 92-109页

作者： LI Lin zhang Jianshe CHEN Caiyan TAN wei zhang Yanfeng Key Laboratory of Light-Duty Gas-Turbine Institute of Engineering ThermophysicsChinese Academy of Sciences University of Chinese Academy of Sciences National Key Laboratory of Science and Technology on Advanced Light-duty Gas-turbine

Low-Reynolds-number effect is an important factor affecting the performance of compressors and other main components of high-altitude long-endurance unmanned aerial *** improve the flow condition and reduce flow loss under the condition of high altitude and low Reynolds number(Re),this paper proposes an optimization process based on a surrogate model,which combines the class-shape transformation method(CST),the Latin hypercube sampling(LHS) method,the light gradient-boosting machine algorithm(LightGBM),and a genetic algorithm(GA) to optimize a high-subsonic compressor *** surrogate model is verified to be accurate and can be used in the optimization *** accuracy of the GA is higher than the other algorithms under common test *** optimization results are verified by numerical simulation,and the flow differences before and after optimization are compared,especially the flow within the boundary *** changing the blade shape,the optimization process adjusts the loading distribution to delay the transition of the optimized blade on the suction surface,which changes the turbulent reattachment in the laminar separation bubble(LSB) into laminar ***,the mixing loss induced by the turbulent reattachment of the LSB and the wake loss of turbulent separation at the trailing edge are significantly reduced,and the performance of the compressor profile is finally *** addition,turbulent separation of the optimized profile is delayed reducing the range of the wake region on the suction *** this optimization process,the reduction of total pressure loss coefficient at Re of 2.5×10～5,3.5×10～5,and 4.5×10～5 are 16.32%,20.76%,and 22.16%,respectively.

关键词： Reynolds number