[Association between 473 gut microbiota and Alzheimer's disease: a Mendelian randomization mediation analysis of 233 circulating metabolites]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoLi D, Li Y, Yang X, Wang Y, Qu Y.
europepmc +1 more source
[Open experiment of modern instrumental analysis course： preparation of biomass-derived functional materials and their enrichment application of antibiotics in water environment]. [PDF]
Se PuLei XY, Jin LX, Wu XP.
europepmc +1 more source
[Research on blood viscoelasticity detection based on electrowetting technology]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiWang C, Huo W, Yang L, Huang X, Yang W.
europepmc +1 more source
, 2004 制作了一种平顶响应的热光可调谐滤波器,通过用湿法腐蚀方法将半波长的共振腔分成具有不同光学厚度的两部分,并且使入射光照射到两部分的面积基本上相等,实现平顶响应特性.对该滤波器的输出响应进行检测,实验结果与理论模拟符合,相对透射率的极大值与极小值间的起伏度小于0.01.与实现平顶响应的其他方法相比,本滤波器器件的制作工艺简单,平顶性能优越,容易与其他有源和无源光子器件集成.还给出了制作几十μm量级的共振腔实现平顶窄带响应的热光可调谐滤波器的机理,其输出响应的起伏度小于0.02,3 dB带宽小于1 ...
蔡晓, 左玉华, 王启明
core
[Family Environmental Unpredictability and Adolescent Physiological and Psychological Health: The Buffering Role of Positive School Climate]. [PDF]
Xin Li Xue Bao倩 高 +15 more
europepmc +1 more source
[Finite element analysis of CT-based lateral classification of Japanese Investigation Committee type C1 osteonecrosis of femoral head and its prognostic value]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiLuo G +7 more
europepmc +1 more source
[A study on three-dimensional reconstruction of coronary arteries and numerical simulation of fractional flow reserve based on deep learning]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiWei J, Wang L, Zhang W.
europepmc +1 more source
Gaoya dianqi传统直流光纤电流互感器无法满足柔性直流输电工程的高速响应需求，因此需要研究直流光纤电流互感器的阶跃响应特性及其动态性能改善方法。文中结合直流光纤电流互感器的离散数学模型，对其动态特性进行了全面的仿真、计算和实验研究，结果表明：影响直流光纤电流互感器阶跃响应特性的关键参数是渡越时间、前向通道增益、滤波器阶数和通讯延迟。搭建了直流光纤电流互感器阶跃响应测试平台，经参数优化后的直流光纤电流互感器的阶跃响应上升时间小于50 μs，满足相关应用要求。
刘彬 +6 more
doaj
[Determination of 15 fentanyl analogs and amphetamine-type stimulants in hair by liquid chromatography-tandem mass spectrometry and gas chromatography-mass spectrometry]. [PDF]
Se PuWei Q, Su FH, Zhu X.
europepmc +1 more source
[Advances in the application of individualized white-matter functional networks in children and adolescents with attention-deficit/hyperactivity disorder]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiYang HH, Hou JL.
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