Search Results - "韩星"

包覆率对直接水冷铸造法制备包覆铸锭界面组织和性能的影响 by 张海涛, 韩星, 王东涛, 邵博, 秦克, 崔建忠

“…采用数值模拟和实验相结合的方法研究了不同包覆率的 AA4045/AA3003铝合金包覆铸锭的制备,并对界面处的温度场和组织性能进行了详细分析.结果表明,采用直接水冷铸造法可得到不同包覆率的铸锭,Si…”
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基于步态的机器学习模型识别遗忘型轻度认知障碍和阿尔茨海默病 by 陶帅, 韩星, 孔丽文, 汪祖民, 谢海群

“…R741; 背景 随着老龄化社会的到来,与年龄密切相关的认知障碍(包括痴呆)的患病率明显增加.先前的研究表明,具有不同认知能力的人群所表现的步态状态也不一样.过去研究者们在研究遗忘型轻度认知障碍(aMCI)和阿尔茨海默病(AD)的步态时,使用了统计分析方法,对机器学习方法的使用较少.目的…”
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半连续铸造法制备AA4045/AA3003铝合金包覆铸锭的界面组织和性能 by 韩星, 邵博, 左克生, 蒋琳, 张海涛, 何立子, 秦克, 崔建忠

“…采用直接水冷半连续铸造法制备 AA4045/AA3003铝合金包覆铸锭，对合金界面组织、温度分布、成分分布及力学性能进行研究。结果表明，包覆铸锭界面清晰平直，无气孔、夹杂等缺陷，界面处合金元素在596~632°C范围内发生扩散，形成平均厚度的10μm的扩散层。从AA4045铝合金一侧向AA3003铝合金一侧，…”
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缺氧缺血性脑损伤新生大鼠松果体miRNA-182及Clock mRNA的表达变化 by 韩星 丁欣 徐利晓 刘明华 冯星

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2013—2015年美国结核病发病率水平调查分析 by Jorge L.Salinas, Godwin Mindra, Maryam B.Haddad, Robert Pratt, Sandy F.Price, Adam J.Langer, 韩星

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半连续铸造法制备AA4045/AA3003铝合金包覆铸锭的界面组织和性能（英文） by 韩星 邵博 左克生 蒋琳 张海涛 何立子 秦克 崔建忠

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Characteristic of involute slope modification of asymmetric spur gear by Deng, Xiao-he, Hua, Lin, Han, Xing-hui

“…The meshing characteristic of asymmetric involute spur gear was studied, the equations of the geometric shape of the asymmetric gear for both sides were…”
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Influence of cutter diameter on meshing performance in spiral bevel gears by Ma, Zhi-hao, Han, Xing-hui, Hua, Lin, Xiong, Xiao-shuang, Zheng, Fang-yan

“…Playing a critical role in transmitting movement and power, the meshing performance of spiral bevel gears has a significant effect on products’ operational…”
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超低轨卫星的空间环境特性及其力学与热学关键问题研究进展 by 黄 劲, 常 亮, 董 佰扬, 刘 泽宇, 韩 圣星, 斯 朝铭

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The Regulatory Effects of Polyporus Polysaccharide on the Nuclear Factor Kappa B Signal Pathway of Bladder Cancer Cells Stimulated by Bacillus Calmette-Guerin by 危建安 曾星 韩凌 黄羽

“…Objective：To detect the effects of Polyporus polysaccharide（PPS）,Bacillus Calmette-Guerin （BCG）,and their combination on the nuclear factor kappa…”
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Synergistic Effects of Nitrogen Amendments and Ethylene on Atmospheric Methane Uptake under a Temperate Old-growth Forest by 徐星凯 韩琳 罗献宝 韩士杰

“…An increase in atmospheric nitrogen （N） deposition can promote soil acidification, which may increase the release of ethylene （C2H4） under forest floors…”
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Heating effect of BaTiO3 in microwave field and microstructure of BaTiO3 by 李永伟 刘韩星 张汉林 欧阳世翕

“…Microwave equipment at 2 450 MHz was employed to prepare BaTiO3 The heating effect of thesystem in the microwave field,which was influenced by several factors…”
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Mechanism of microwave synthesized BaTiO3 by 刘韩星 李永伟 张汉林 欧阳世翕

“…The difference of intermediate products,microstructure and element concentration in the particles between microwave synthesized samples and conventional…”
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Fault monitoring in passive optical network using code division multiplex-based dual-OTDR traces comparison by 袁誉星 李蔚 韩纪龙 冯其光 姚海涛 郑强 胡强高 余少华

“…A dual optical time domain reflectometry （OTDR） system, which employs two different continuous waves at the optical line terminal and a pair of fiber Bragg…”
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Cardiovascular Cast Model Fabrication and Casting Effectiveness Evaluation in Fetus with Severe Congenital Heart Disease or Normal Heart by 王瑜 曹海燕 谢明星 贺林 韩伟 洪柳 彭源 胡云飞 宋本才 王静 王斌 邓诚

“…To investigate the application and effectiveness of vascular corrosion technique in preparing fetal cardiovascular cast models, 10 normal fetal heart specimens…”
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Assessment of Left Ventricular Global Twist in Essential Hypertensive Heart by Speckle Tracking Imaging by 韩伟 谢明星 王新房 吕清

“…The left ventricular twist was evaluated by 2-dimensional ultrasound speckle-tracking imaging （STI） in 50 patients with hypertension with normal geometric left…”
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18F-FDG PET/CT在肝细胞肝癌临床诊疗中的应用进展 by 许莎莎, 韩星敏

“…R445.6%R735.7; 肝细胞肝癌(HCC)死亡率高,早期诊断率低,治疗和预后相对较差.18F-FDG PET/CT技术对HCC转移灶、早期复发病灶的检测及治疗预后等方面具有重要应用价值.本文基于18F-FDG…”
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大型风电机组机组层AGC控制策略研究 by 许昌 魏媛 李涛 韩星星 Wenzhong Shen 王长宝 石磊 陈星莺

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基于膜技术的水飞蓟油脱胶工艺优化及脂肪酸组成的变化 by 邓小敏, 谢建君, 马欣艾, 孟治平, 陈轩宇, 韩星星, 梁银妹, 朱华旭, 付廷明

“…S567.2; 使用膜分离技术对水飞蓟毛油进行精制脱胶,并进行工艺优化.以通量和脱胶率为主要指标,同时参考碘值、过氧化值、酸价等指标,对孔径分别为300、800 nm和1μm的无机氧化铝陶瓷膜以及膜截留分子量均为10…”
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（N-[^18F]氟甲基）-胆碱的自动化合成及其生物分布研究 by 李彦鹏 温馨 程兵 谢新立 杜晓光 韩星敏

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