检索结果-南通市图书馆

Sperm acrosin activity may be a useful factor in choosing between ICSI and IVF for infertile male patients

在线全文

学校读者我要写书评

暂无评论

Asian Journal of Andrology 2024年第1期26卷 85-90页

作者： ye-Na Hu liang Hu Xin-yu yin huan Zhang yang-qin Peng Gang liu ge lin wei-Na li The Institute of Reproductive and Stem Cell Engineering School of Basic Medical ScienceCentral South UniversityChangsha 410008China Department of Andrology Reproductive and Genetic Hospital of CITiC-XiangyaChangsha 410013China Clinical Research Center for Reproduction and genetics in Hunan Province Changsha 410013China Hunan Guangxiu Hi-tech life technology Co. Ltd.Changsha 410013China

The clinical applications of acrosin activity are *** analyzed 61578 male partners in infertile couples who visited the outpatient department of the Reproductive and genetic Hospital of CITIC-Xiangya(Changsha,China)between August 2014 and December 2019 to determine the reference ranges and thresholds for acrosin activity in infertile Chinese men;to determine whether correlations exist between acrosin activity and age,sperm concentration,sperm morphology,or sperm motility;and to evaluate whether acrosin activity could serve as an effective prognostic indicator for choosing between in vitro fertilization(IvF)and intracytoplasmic sperm injection(icsl)in the *** cut-off value for the normal reference range of acrosin activity for male partners in infertile couples was 24.78μlU per 106 *** was no significant association between acrosin activity and age,sperm concentration,semen volume,total sperm count,progressive motility,or total motile spermatozoa.A weak positive correlation was found between acrosin activity and normal sperm *** was a statistically significant difference in abnormal acrosome morphology between the group with high acrosin activity(>24.78μlU per 106 sperm)and the group with low acrosin activity(lization rate had a high index of abnormal acrosomal morphology at 21.2%,while the group with a high IVF fertilization rate had a low index of 0.2%.At an acrosin activity oflization rate,normal fertilization rate,and good-quality embryo rate for Icsl were significantly higher than those for ***,the most promising application of acrosin activity could be in the selection of IcsI over IVF for infertile male patients with complete fertilization failure or a low fertilization rate.

关键词： acrosin activity fertilization rate ICSI IVF semen parameters

CEPC technical Design Report

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Radiation Detection technology and Methods 2024年第1期8卷 I0003-I0016,1-1091页

作者： Waleed Abdallah Tiago Carlos Adorno de Freitas Konstantin Afanaciev Shakeel Ahmad Ijaz Ahmed Xiaocong Ai Abid Aleem Wolfgang Altmannshofer Fabio Alves weiming An Rui An Daniele Paolo Anderle Stefan Antusch Yasuo Arai Andrej Arbuzov Abdesslam Arhrib Mustafa Ashry Sha Bai yu Bai yang Bai Vipul Bairathi Csaba Balazs Philip Bambade Yong Ban Tripamo Bandyopadhyay Shou-Shan Bao Desmond P.Barber Ayse Bat Varvara Batozskaya Subash Chandra Behera Alexander Belyaev Michele Bertucci Xiao-Jun Bi yuanjie Bi Tianjian Bian Fabrizio Bianchi Thomas Biekotter Michela Biglietti Shalva Bilanishvili Deng Binglin Denis Bodrov Anton Bogomyagkov Serge Bondarenko Stewart Boogert Maarten Boonekamp Marcello Borri Angelo Bosotti Vincent Boudry Mohammed Boukidi Igor Boyko Ivanka Bozovic Giuseppe Bozzi Jean-Claude Brient Anastasiia Budzinskaya Masroor Bukhari Vladimir Bytev Giacomo Cacciapaglia Hua Cai Wenyong Cai Wujun Cai Yijian Cai Yizhou Cai yuchen Cai Haiying Cai Huacheng Cai Lorenzo Calibbi Junsong Cang Guofu Cao jianshe Cao Antoine Chance Xuejun Chang yue Chang zhe Chang Xinyuan Chang wei Chao Auttakit Chatrabhuti Yimin Che yuzhi Che Bin Chen Danping Chen Fuqing Chen Fusan Chen Gang Chen Guoming Chen Hua-Xing Chen Huirun Chen Jinhui Chen Ji-yuan Chen Kai Chen Mali Chen Mingjun Chen Mingshui Chen Ning Chen Shanhong Chen Shanzhen Chen Shao-Long Chen Shaomin Chen Shiqiang Chen Tianlu Chen wei Chen Xiang Chen Xiaoyu Chen Xin Chen Xun Chen Xurong Chen ye Chen ying Chen yukai Chen Zelin Chen Zilin Chen Gang Chen Boping Chen Chunhui Chen Hok Chuen cheng Huajie cheng Shan cheng Tongguang cheng yunlong Chi Pietro Chimenti Wen Han Chiu Guk Cho Ming-Chung Chu Xiaotong Chu Ziliang Chu Guglielmo Coloretti Andreas Crivellin Hanhua Cui Xiaohao Cui Zhaoyuan Cui Brunella D'Anzi ling-yun Dai Xinchen Dai Xuwen Dai Antonio De Maria Nicola De Filippis Christophe De La Taille Francesca De Mori Chiara De Sio Elisa Del Core Shuangxue Deng wei-Tian Deng zhi Deng Ziyan Deng Bhupal Dev Tang Dewen Biagio Di Micco Ran Ding Siqin Dingl Yadong Ding Haiyi Dong jianin AGH University of Science and technology Faculty of Physics and Applied Computer ScienceKrakow Anhui University HefeiAnhui Applied Physics Department Federal Urdu University of ArtsScience and TechnologyIslamabad Banaras Hindu University Institute of ScienceVaranasi Bandirma Onyedi Eylul University Bandirma Beihang University Beijing Beijing Computational Science Research Center Beijing Beijing Conveyi LTD Beijing Beijing Glass Research Institute Co. LtdBeijing Beijing Institute of technology Beijing Beijing Normal University Beijing Brown University ProvidenceRI Budker Institute of Nuclear Physics Novosibirsk Cadi Ayyad University Laboratory of Fundamental and Applied PhysicsPolydisciplinary FacultyMarrakech Cairo University Giza Center for Theory and Computation National Tsing Hua UniversityHsinchu Central China Normal University WuhanHubei Central South University ChangshaHunan Centro de Fisica teorica de Particulas Universidade Tecnica de LisboaLisboa chengdu KaitengSifang Digital Radio&TV Equipment Co. LtdChengduSichuan China academy of engineering physics MianyangSichuan China building materials academy Beijing China Center of Advanced Science and technology Beijing China Institute of Atomic Energy Beijing China Jiliang University HangzhouZhejiang China Nuclear Instrument CO. LTDBeijing China University of geosciences Beijing China University of geosciences WuhanHubei China University of Mining and technology XuzhouJiangsu China West Normal University NanchongSichuan Chongqing University Department of PhysicsChongqing Chulalongkorn University Bangkok City University of Hong Kong Department of PhysicsHong Kong Cockcroft Institute Daresbury Cornell University IthacaNY CPPM(AMU/IPhU&CNRS/INP) Marseille Dalian Minzu University DalianLiaoning Dalian University of technology Department of PhysicsDalian Deutsches Elektronen-Synchrotron DESY Hamburg Dzhelepov Laboratory of Nuclear Problems of Joint Institute for Nuclear Research(DLNP JINR) Dubna East China University Of Science And technol

The Circular Electron Positron Collider(CEPC)is a large scientific project initiated and hosted by China,fostered through extensive collaboration with international *** complex comprises four accelerators:a 30 geV linac,a 1.1 geV Damping Ring,a Booster capable of achieving energies up to 180 geV,and a Collider operating at varying energy modes(Z,W,H,and tt).The linac and Damping Ring are situated on the surface,while the subterranean Booster and Collider are housed in a 100 km circumference underground tunnel,strategically accommodating future expansion with provisions for a potential Super Proton Proton Collider(SPPC).The CEPC primarily serves as a Higgs *** its baseline design with synchrotron radiation(SR)power of 30 MW per beam,it can achieve a luminosity of 5×10^(34)cm^(-2)s^(-1)per interaction point(IP),resulting in an integrated luminosity of 13 ab^(-1)for two IPs over a decade,producing 2.6 million Higgs *** the SR power to 50 MW per beam expands the CEPC's capability to generate 4.3 million Higgs bosons,facilitating precise measurements of Higgs coupling at sub-percent levels,exceeding the precision expected from the HL-LHC by an order of *** technical Design Report(TDR)follows the Preliminary Conceptual Design Report(Pre-CDR,2015)and the Conceptual Design Report(CDR,2018),comprehensively detailing the machine's layout,performance metrics,physical design and analysis,technical systems design,R&D and prototyping efforts,and associated civil engineering ***,it includes a cost estimate and a preliminary construction timeline,establishing a framework for forthcoming engineering design phase and site selection *** is anticipated to begin around 2027-2028,pending government approval,with an estimated duration of 8 *** commencement of experiments and data collection could potentially be initiated in the mid-2030s.

关键词： initiated exceeding precise

Commissioning of a high-resolution collinear laser spectroscopy apparatus with a laser ablation ion source

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Nuclear Science and techniques 2022年第1期33卷 98-106页

作者： Shi-wei Bai Xiao-Fei yang Shu-Jing Wang Yong-Chao liu Peng Zhang yin-Shen liu Han-Rui Hu yang-Fan Guo Jin Wang Ze-yu Du Zhou yan yun-Kai Zhang yan-lin ye qi-te li yu-cheng ge Chuang-ye He School of Physics and State Key Laboratory of Nuclear Physics and technology Peking UniversityBeijing 100871China China Institute of Atomic Energy(CIAE) P.O.Box 275(10)Beijing 102413China

Collinear laser spectroscopy is a powerful tool for studying the nuclear spins,electromagnetic moments,and charge radii of exotic *** study the nuclear properties of unstable nuclei at the Beijing Radioactive Ion-beam Facility(BRIF)and the future High Intensity Heavy-ion Accelerator Facility(HIAF),we developed a collinear laser spectroscopy apparatus integrated with an offline laser ablation ion source and a laser *** overall performance of this state-of-the-art technique was evaluated,and the system was commissioned using a bunched stable ion *** high-resolution optical spectra for the 4s ^(2)S_(1/2)→4p^(2)P_(3/2)(D2)ionic transition of ^(40;42;44;48)Ca isotopes were successfully *** extracted isotope shifts relative to ^(40)Ca showed excellent agreement with the literature *** system is now ready for use at radioactive ion beam facilities such as the BRIF and paves the way for the further development of higher-sensitivity collinear resonance ionization spectroscopy techniques.

关键词： Nuclear properties Collinear laser spectroscopy Laser-ablation ion source Photon detection Isotope shift

Novel evidence for the σ-bond linear-chain molecular structure in ^(14)C

在线全文

学校读者我要写书评

暂无评论

Chinese Physics C 2021年第8期45卷 71-75页

作者： Han-zhou yu Jing li yan-lin ye Biaoyang cheng-jianlin Hui-Ming Jia jian-ling lou Xiao-Fei yang T.Baba qi-te li yu-cheng ge zhi-huan li Hui Hua Jin-yan Xu Zai-Hong yang Jun Feng Hong-liang Zang qiang liu wei jiang yang liu Jing-Jing li wei liu Shi-wei Bai Jie Chen Jia-Xing Han Jia-Hao Chen Kai Ma Dong-Xi Wang Lei yang Nan-Ru Ma li-Jie Sun School of Physics and State Key Laboratory of Nuclear Physics and technology Peking UniversityBeijing 100871China FRIB/NSCL Laboratory Michigan State UniversityEast LansingMichigan 48824USA China Institute of Atomic Energy Beijing 102413China Kitami Institute of technology 090-8507 KitamiJapan Research Center for Nuclear Physics(RCNP) Osaka University10-1 MihogaokaIbarakiOsaka 567-0047Japan Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Spallation Neutron Source Science Center Dongguan 523803China

A multi-nucleon transfer and cluster decay experiment,^(7)li(^(11)B,^(14)C^(*)→α+^(10)Be)α,is conducted at an incident beam energy of 55 *** reaction channel has a significantly large 0-value,which favors populating the high lying resonant states in ^(14)*** decay paths,from these resonances to various states of the final nucleus ^(10) Be,can be selected,owing to the experimentally achieved optimal resolution of the Q-value spectrum.A number of resonant states are reconstructed from the forward emitting 10Be+α fragments,and their major molecular structures can be detected according to the selective decay paths and relative decay widths.A state at 22.4(2)MeV validates the previously measured and theoretically predicted band head of the positive-parity σ-bond linear-chain mo-lecular *** additional resonances at 22.9(2)and 24.2(2)MeV are identified and consistent with the predicted 2^(+) and 4^(+) members of the same molecular band,thus providing novel evidences for the existence of the exotic clustering chain structure in neutron-rich carbon isotopes.A few high energy resonances,which also indicate the presence of the σ-bond molecular structure,are observed;however,further studies are still required to clarify their ascription in band systematics.

关键词： linear-chain state reaction 0-value transfer reaction cluster decay relative branching ratio

Two annular CsI(Tl) detector arrays for the charged particle telescopes

在线全文

学校读者我要写书评

暂无评论

Nuclear Science and techniques 2023年第10期34卷 158-165页

作者： Hong-yu Zhu jian-ling lou yan-lin ye li-Sheng yang Bo-Long Xia Kang wei ying Chen wei-liang Pu Zi-Yao Hu Hao-yu ge Jia-Hao Chen Kai Ma Wen-Wu Wan Hooi-Jin Ong yan-yun yang Shi-wei Xu Kang Wang Fang-Fang Duan Jun-Bin Ma zhen Bai Peng Ma Ruo-Fu Chen School of Physics and State Key Laboratory of Nuclear Physics and technology Peking UniversityBeijing 100871China Institute of Modern Physics Chinese Academy SciencesLanzhou 730000China

In this study,we constructed two annular detector arrays comprising 24 wedge-shaped CsI(Tl) crystals,and tested them using anαsource and radioactive beams of ^(14-16) Con a CD_2 *** compared the properties of a CsI(Tl) crystal encapsulated with various reflectors,revealing that using the 80-μm-thick ESR film to pack the CsI(Tl) crystal yielded the largest light output with the smallest non-uniformity in light output (ΔLO).For the 24 CsI(Tl) detectors with the 80-μm-thick ESR films,the average energy resolution improved as the average light output increased;however,it deteriorated as theΔLO value *** form two annular Si-CsI(Tl) telescopes for identifying the light-charged particles,theΔLO value and energy resolution of each CsI(Tl) detector were maintained under 20%and 7.7%,*** telescopes were tested for the first time in a direct nuclear reaction experiment using ^(14-16) C+*** results demonstrated that the Z=1 and Z=2 charged particles were adequately discriminated by the telescopes using the standardΔE-E method.

关键词： Wedge-shaped CsI(Tl)detector light output non-uniformity Si-CsI(Tl)telescope Particle identification

Investigation of the near-threshold cluster resonance in ^14C

在线全文

学校读者我要写书评

暂无评论

Chinese Physics C 2018年第7期42卷 41-46页

作者： Hong-liang Zang yan-lin ye zhi-huan li jian-Song Wang jian-ling lou qi-te li yu-cheng ge Xiao-Fei yang Jing li wei jiang Jun Feng qiang liu Biao yang zhi-qiang Chen yang liu Hong-Yi Wu Chen-yang Niu Chen-Guang li Chun-Guang Wang Xiang Wang wei liu jian Gao Han-Zhou yu Jun-Bin Ma Peng Ma zhen Bai yan-yun yang Shi-Lun Jin Fei Lu School of Physics and State Key Laboratory of Nuclear Physics and technology Peking UniversityBeijing 100871China Institute of Modern Physics Chinese Academy of ScienceLanzhou 730000China Argonne National Laboratory 9700 S Cass Ave B109LemontIllinois 60439USA Institute of High Energy Physics CASBeijing 100049China RIKEN Nishina Center 2-1 HirosawaWakoSaitama 351-0198Japan Shanghai Institute of Applied Physics Chinese Academy of ScienceShanghai 200000China

An experiment for m p（14C},14C＊→10Be＋α）p inelastic excitation and decay was performed in inverse kinematics at a beam energy of 25.3 MeV/u. A series of 14C excited states, including a new one at 18.3（1） MeV, were observed which decay to various states of the final nucleus of 10Be. A specially designed telescope system, installed around zero degrees, played an essential role in detecting the resonant states near the α-separation threshold. A state at 14.1（1） MeV is clearly identified, being consistent with the predicted band-head of the molecular rotational band characterized by the π-bond linear chain configuration. Further clarification of the properties of this exotic state is suggested by using appropriate reaction tools.

关键词： cluster decay linear-chain-state high detection efficiency inelastic excitation

Use of electroacupuncture and transcutaneous electrical acupoint stimulation in reproductive medicine:a group consensus

在线全文

学校读者我要写书评

暂无评论

Journal of zhejiang University-Science B(Biomedicine & Biotechnology) 2017年第3期18卷 186-193页

作者： Fan QU Rong li wei SUN ge lin Rong ZHANG Jing yanG li TIAN Guo-gang XING Hui jianG Fei GONG Xiao-yan liANG yan MENG Jia-yin liU li-ying ZHOU Shu-yu WANG yan WU Yi-jing HE Jia-yu ye Song-ping HAN Ji-sheng HAN Women's Hospital School of Medicine Zhejiang University Hangzhou 310006 China Center of Reproductive Medicine Department of Obstetrics and Gynecology Peking University Third Hospital / Key Laboratory of Assisted Reproduction Ministry of Education/Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology Beijing 100191 China Center of Reproductive Medicine the Second Hospital Affiliated to Shandong University of Traditional Chinese Medicine Jinan 250001 China Center of Reproductive Medicine CITIC Xiangya Reproductive and Genetic Hospital Changsha 410008 China Neuroscience Research Institute Peking University / Department of Neurobiology School of Basic Medical Sciences / Peking University Health Science Center / Key Lab for Neuroscience Ministry of Education/Ministry of Health Beijing 100083 China Center of Reproductive Medicine Renmin Hospital of Wuhan University Wuhan 430060 China Center of Reproductive Medicine Peking University People 's Hospital Beijing 100044 China Center of Reproductive Medicine the Sixth Affiliated Hospital of Zhongshan University Guangzhou 510655 China Center of Reproductive Medicine Jiangsu Province Hospital Nanjing 210029 China Center of Reproductive Medicine Beijing Obstetrics and Gynecology Hospital Beijing 100026 China zhejiang Chinese Medical University Hangzhou 310053 China Wuxi HANS Therapy Medical technology Co. Ltd. Wuxi 214092 China

Abstract： With the rapid development of assisted reproductive technology, various reproductive disorders have been effectively addressed. Acupuncture-like therapies, including electroacupuncture （EA） and transcutaneous electrical acupoint stimulation （teAS）, become more popular world-wide. Increasing evidence has demonstrated that EA and teAS are effective in treating gynecological disorders, especially infertility. This present paper describes how to select acupoints for the treatment of infertility from the view of theories of traditional Chinese medicine and how to determine critical parameters of electric pulses of ENteAS based on results from animal and clinical studies. It summarizes the principles of clinical application of EA/rEAS in treating various kinds of reproductive disorders, such as polycystic ovary syndrome （PCOS）, pain induced by oocyte retrieval, diminished ovarian reserve, embryo transfer, and oligosperrnia/ asthenospermia. The possible underlying mechanisms mediating the therapeutic effects of EA/teAS in reproductive medicine are also examined.

关键词： Electroacupuncture (EA) Transcutaneous electrical acupoint stimulation (teAS) Reproductive medicine Group consensus

阴阳调衡针法结合推拿治疗中风后抑郁临床研究

在线全文

学校读者我要写书评

暂无评论

Journal of Acupuncture and Tuina Science 2024年第3期22卷 214-222页

作者：李兰竹陈欣葛成成叶清华樊伟刘建浩张馥晴(译) Graduate College of Guangzhou University of Chinese Medicine Guangzhou 510000China Traditional Chinese Medicine Department Zhongshan Torch Development Zone People’s HospitalGuangdong ProvinceZhongshan 528437China Sanya Traditional Chinese Medicine Hospital Hainan ProvinceSanya 572000China 不详

目的:观察阴阳调衡针法结合推拿治疗中风后抑郁(PSD)的临床疗效。方法:将72例PSD患者按随机数字表法分为针推组和西药组,每组36人。西药组给予盐酸氟西汀胶囊治疗,针推组予阴阳调衡针法结合推拿治疗,两组均治疗4周。治疗后比较两组临床... 详细信息

目的:观察阴阳调衡针法结合推拿治疗中风后抑郁(PSD)的临床疗效。方法:将72例PSD患者按随机数字表法分为针推组和西药组,每组36人。西药组给予盐酸氟西汀胶囊治疗,针推组予阴阳调衡针法结合推拿治疗,两组均治疗4周。治疗后比较两组临床疗效,观察汉密尔顿抑郁量表(HAMD)评分、美国国立卫生院脑卒中量表(NIHSS)评分、血清神经递质水平和脑电图的变化情况。结果:西药组与针推组总有效率分别为83.3%和94.4%。两组总有效率有统计学差异(P<0.05)。治疗后,两组血清5-羟色胺(5-HT)、去甲肾上腺素(NE)和多巴胺(DA)水平均较本组治疗前显著升高,组内差异均有统计学意义(P<0.05);针推组血清5-HT、DA及NE水平显著高于西药组,组间差异有统计学意义(P<0.05)。治疗后两组HAMD和NIHSS评分均较治疗前显著降低,组内差异有统计学意义(P<0.05);针推组评分均显著低于西药组,组间差异有统计学意义(P<0.05)。治疗后两组脑电图慢波化比率(DTABR)及δ/β比率(DBR)均较治疗前显著降低,组内差异有统计学意义(P<0.05),且针推组均显著低于西药组,组间差异有统计学意义(P<0.05)。结论:阴阳调衡针法结合推拿治疗PSD患者效果优于口服盐酸氟西汀胶囊,可提高血清5-HT、DA及NE水平,调节脑电波。

关键词：针刺疗法阴阳调衡针法推拿按摩中风后遗症抑郁脑电图神经递质

Possibility of women treated with fertility-sparing surgery fornon-epithelial ovarian tumors to safely and successfully becomepregnant--a Chinese retrospective cohort study among 148cases

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Frontiers of Medicine 2018年第5期12卷 509-517页

作者： Bin yang yan yu Jing Chen yan Zhang ye yin Nan yu ge Chen Shifei Zhu Haiyan huang Yongqun yuan Jihui Ai Xinyu Wang Kezhen li Department of Obstetrics and Gynecology Tongji Hospital Tongji Medical College Huazhong University of Science and TechnologyWuhan 430000 China Department of Gynecologic Oncology Women's Hospital Zhejiang University Hangzhou 310006China Department of Gynecologic Oncology Women 's Hospital Zhongxiang 431900 China

This study was performed to evaluate the oncological and reproductive outcomes of childbearing-age women treated with fertility-sparing surgery (FSS) for non-epithelial ovarian tumors in China. One hundred and forty eight non-epithelial ovarian tumor women treated with FSS between January 1, 2000 and August 31, 2015 from two medical centers in China were identified. Progression-free survival (PFS) was 88.5%, whereas overall survival (OS) was 93.9%. Univariate analysis suggested that delivery after treatment is related to PFS (P=0.023), whereas histology significantly influenced OS. Cox regression analysis suggested that only histology was associated with PFS and OS (Pted adjuvant chemotherapy (ACT), none developed amenorrhea. Among the 44 women who desired pregnancy, 35 (79.5%) successfully had 51 gestations including 35 live births without birth defects. Non-epithelial ovarian tumors can achieve fulfilling prognosis after FSS and chemotherapy. Histology might be the only independent prognostic factor for PFS and OS. FSS followed by ACT appeared to have little or no effect on fertility. Meanwhile, postoperative pregnancy did not increase the PFS or OS. Use of gonadotropin-releasing hormone agonist was not beneficial for fertility.

关键词： malignant germ cell tumors ovarian sex cord-stromal tumors fertility-sparing surgery prognosis fertility