Results 31 to 40 of about 8,036 (119)
Haiyang yu huzhao胭脂鱼(Myxocyprinus asiaticus)是亚洲特有的淡水珍稀鱼类，但由于人类活动和生态环境的变化，胭脂鱼数量急剧减少，研究其精子冷冻保存技术及建立精子冷冻保存库，对种质资源的保护和遗传育种具有重要意义。选取健康的雄性胭脂鱼，经人工催产后获得成熟精子，首先对4种精子稀释液种类(D-17、D-15、D-20、人工精浆A)、4种抗冻剂种类(DMSO、GLY、MeOH、PG)及4种DMSO抗冻剂浓度(6%、8%、10%、12%)进行筛选，其次选取筛选后冷冻效果最好的冻精与鲜精做受精实验 ...
丁 小雨 +8 more
doaj +1 more source
Functional interaction of mammalian sperm with the oocyte-cumulus complex in fertilization [PDF]
, 2010 Thesis (Ph. D. in Biotechnology)--University of Tsukuba, (A), no.
Kang Woojin, 康 宇鎭
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Integrative Conservation, Volume 5, Issue 1, Page 5-9, March 2026.This study examines the Mawphlang Sacred Forest in Meghalaya as a culturally embedded model of community‐led conservation. Drawing on qualitative fieldwork, it highlights how spiritual reverence, sacred taboos, and ancestral authority shape ecological stewardship, complementing formal governance systems.
Mrinal Saikia
wiley +1 more source
单精子冷冻和常规冷冻对显微取精患者的胚胎培养及妊娠影响的比较
Zhongshan Daxue xuebao. Yixue kexue ban, 2023 目的比较单精子冷冻和常规冷冻对显微取精患者的胚胎培养及妊娠影响。方法回顾性分析自2018年1月至2021年12月于中山大学附属第六医院生殖医学研究中心行显微镜取精术患者的临床资料，行单精子冷冻共39例307枚成熟卵子为单精子冷冻组，通过SPSS统计软件倾向性评分匹配女方基本助孕信息1：1匹配选择对照组，为常规冷冻组，共410枚成熟卵子，分析单精子冷冻与常规冷冻两组的受精、胚胎培养及移植后妊娠情况。结果单精子冷冻组和常规冷冻组的年龄、体质量指数（BMI）、不孕年限、基础基础卵泡刺激素（FSH ...
李婷婷, 刘贵华, 张靖, 孙桂花
doaj
MALE STERILITY : A CLINICAL OBSERVATION [PDF]
, 1975 A clinical observation was made on male outpatients who visited the Department of Urology, Niigata University Hospital during 2 years, 1971 and 1972 with chief complaints of infertility.
佐藤, 昭太郎 +2 more
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Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT The detection of volatile organic compounds (VOCs) holds significant implications in environmental monitoring and disease diagnosis. Traditional gas detection technologies are constrained by complex operation and high cost, thereby failing to satisfy real‐time detection demands.
Yuening Wang +11 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2012 目的探讨不同病因对男性不育患者精子形态的影响。方法 426例男性不育患者根据病因分为7组:精索静脉曲张组（68例）、慢性前列腺炎组（127例）、精索静脉曲张合并慢性前列腺炎组（36例）、特发性弱精子症组（42例）、少精子症组（115例）、小睾丸症组（21例）及其它组（17例）,用瑞-姬氏染色法进行精子形态分析。以78例供精者精液检查结果作为对照。结果不育患者的形态正常精子百分率明显低于对照组 ...
王玉丰, 吴玲, 陈雪银
doaj
Studies on the calcium-binding proteins expressed in the spermatids of mice [PDF]
, 2011 Thesis (Ph. D. in Medical Sciences)--University of Tsukuba, (A), no.
Boran Abdel Hamid Osman
core
Laser‐Driven Halide Exchange and High‐Resolution Multicolor Patterning of Perovskite Films
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Translating the excellent properties of metal halide perovskites (MHPs) into practical flexible optoelectronic devices requires high‐resolution multicolor patterning techniques that are compatible with post‐fabrication processing. However, such a capability has remained elusive.
Shu Yang +6 more
wiley +1 more source
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Single‐atom catalysis hinges on fundamental challenges in precisely controlling metal‐support interactions and rationally regulating metal–adsorbate relationships. Herein, we report a universal strategy for constructing highly efficient and well‐defined Cu(I) single‐atom catalysts based on a trifurcate AlL3 molecular support.
Donghui Zhang +9 more
wiley +1 more source