Search results for: Xiaohui Hao

Items from 1 to 9 out of 9 results

article

Silica dust exposure induces pulmonary fibrosis through autophagy signaling

Ning Li, Fan Shi, Xiaoyan Wang, Pan Yang, more

Environmental Toxicology > 36 > 7 > 1269 - 1277

Silicosis is a well‐acknowledged occupational lung disease caused by inhalation of a large amount of free silica dust during the production period and eventually a considerable negative impact on the patients' quality of life. Autophagy exerts a critical influence on immune and inflammatory responses during the pathogenesis of pulmonary fibrosis. In this study, we sought to determine whether autophagy...

article

Expectation‐maximization‐based infrared target tracking with time‐varying extinction coefficient identification

Shun Liu, Yan Liang, Linfeng Xu, Wanying Zhang, more

International Journal of Adaptive Control and Signal Processing > 35 > 2 > 221 - 239

Extinction coefficient (EC), as the key parameter of target intensity model, is assumed constant in classical infrared target tracking (IRTT) methods. However, it is a time‐varying and state‐coupled parameter related to complex atmosphere environment. To this end, this article proposes the problem of IRTT with time‐varying EC identification. Different from the constant EC case whose solution is the...

article

Interaction of N‐acetyl‐seryl‐aspartyl‐lysyl‐proline with the angiotensin‐converting enzyme 2–angiotensin‐(1–7)–Mas axis attenuates pulmonary fibrosis in silicotic rats

Xuemin Gao, Hong Xu, Bonan Zhang, Tao Tao, more

Experimental Physiology > 104 > 10 > 1562 - 1574

New Findings What is the central question of this study? What are the effects of the antifibrotic peptide acetyl‐seryl‐aspartyl‐lysyl‐proline (Ac‐SDKP) on the angiotensin‐converting enzyme 2 (ACE2)–angiotensin‐(1–7)–Mas axis during the occurrence and progression of silicosis? What is the main finding and its importance? Ac‐SDKP inhibited lung fibrosis in rats exposed to silica by activation of...

chapter

Area of a Special Spherical Triangle

Xiaohui Hao, Manfu Yan, Xiaona Lu

Communications in Computer and Information Science > Information Computing and Applications > Scientific and Engineering Computing > 123-128

Calculate the area of a special spherical triangle, which is formed by intersecting of a sphere and three mutually perpendicular planes. The intersection point of the three planes lies inside of the sphere. The result of the calculation is not an approximate solution but an analytic one. The analytical expression shows that the area of spherical triangle, under the radius of a sphere being known,...

article

Pure Blue-Light-Emitting Materials: Hyperbranched Ladder-Type Poly( p -phenylene)s Containing Truxene Units

Yonggang Wu, Xiaohui Hao, Junling Wu, Jia Jin, more

Macromolecules > 2010 > 43 > 2 > 731 - 738

chapter

The Equipment Renewal Problem Based on Dynamic Programming

Baofeng Li, Xiaohui Hao, Jingguo Qu, Yuhuan Cui, more

2009 Fourth International Conference on Innovative Computing, Information and Control (ICICIC) > 107 - 110

2009 Fourth International Conference on Innovative Computing, Information and Control (ICICIC 2009)

The replacement problem of equipment is studied by employing the dynamic planning principle. This paper extends the present common dynamic programming model that only includes the decision-making of keep and replacement to the model that includes the decision-making of keep, replacement and general overhaul, and builds dynamic planning model for renewing machine equipment. Besides the program of the...

article

Coded excitation for diagnostic ultrasound: a system developer's perspective

R.Y. Chiao, Xiaohui Hao

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control > 2005 > 52 > 2 > 160 - 170

Resolution and penetration are primary criteria for clinical image quality. Conventionally, high bandwidth for resolution was achieved with a short pulse, which results in a tradeoff between resolution and penetration. Coded excitation extends the bounds of this tradeoff by increasing signal-to-noise ratio (SNR) through appropriate coding on transmit and decoding on receive. Although used for about...

article

Measurement of scatterer density using high frequency intracardiac ultrasound discriminates normal from reperfused infarcted myocardium

Charles J. Bruce, Xiaohui Hao, Cristina Pislaru, James B. Seward, more

Journal of the American College of Cardiology > 2002 > 39 > S2 > 387

article

Characterization of reperfused infarcted myocardium from high-frequency intracardiac ultrasound imaging using homodyned K distribution

Xiaohui Hao, C.J. Bruce, C. Pislaru, J.F. Greenleaf

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control > 2002 > 49 > 11 > 1530 - 1542

Myocardial changes caused by infarction/reperfusion (contraction band necrosis, hemorrhage, edema, etc.) may result in an increased scatterer density and a variation in scatterer arrangement. This paper, for the first time, models most of the scattering conditions resulting from the interaction of ultrasound and normal/reperfused infarcted myocardium using the homodyned K distribution. Furthermore,...

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