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RTD测量系统设计要点 被引量:1
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作者 gordon lee 《今日电子》 2016年第5期35-38,共4页
工业领域测量最多的参数是温度。高精度温度测量为工业自动化应用提供关键数据,保证生产质量和安全。温度传感器的类型有很多种,每种类型都具有各自的优势和缺点。本文重点讨论一种最常见的温度传感器——电阻温度监测器(RTD),介绍设... 工业领域测量最多的参数是温度。高精度温度测量为工业自动化应用提供关键数据,保证生产质量和安全。温度传感器的类型有很多种,每种类型都具有各自的优势和缺点。本文重点讨论一种最常见的温度传感器——电阻温度监测器(RTD),介绍设计要点,以优化测量精度。 展开更多
关键词 测量系统设计 RTD 温度监测器 温度传感器 温度测量 测量精度 自热误差 配置图 温度误差 激励信号
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便携式手持设备的LED背光和装饰光
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作者 gordon lee 《电子产品世界》 2005年第08B期68-69,共2页
关键词 LED背光 手持设备 便携式 装饰 电致发光 彩色LED 驱动电路 显示屏 PDA
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Review of the optimal timing and technique for extensor tendon reconstruction in composite dorsal hand wounds 被引量:1
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作者 Shelby Lies Asher Horowitz +1 位作者 gordon lee Andrew Y.Zhang 《Plastic and Aesthetic Research》 2019年第8期1-9,共9页
Aim: The management of complex dorsal hand wounds with extensor tendon loss is controversial. Treatment has focused on soft tissue coverage, but there is limited evidence comparing immediate vs. staged tendon reconstr... Aim: The management of complex dorsal hand wounds with extensor tendon loss is controversial. Treatment has focused on soft tissue coverage, but there is limited evidence comparing immediate vs. staged tendon reconstruction. This review evaluates existing literature to determine the optimal management of composite hand defects. Methods: A MEDLINE database review was performed including objective measurements such as number of operations, total active motion, grip strength, days to maximum range of motion (ROM), and return to work. Data extraction included demographics, surgical techniques, complications, and relative outcome. We compared primary and secondary staged reconstruction to correlate any significant differences in outcome and determine optimal timing and technique for extensor tendon reconstruction. We extracted information on flap types including regional and free tissue transfer with tendinous components vs. staged tendon grafts. Results: Comparison of outcomes showed that patients with immediate reconstruction had fewer operations, faster return to maximum ROM, and greater chance of returning to work. The most successful single stage flaps include the radial forearm, suitable for reconstructing one to three tendons and the dorsalis pedis for three or four tendons;however, there were significantly more complications in immediate reconstruction particularly regarding donor site morbidity. Pedicled flaps had better total active motion. The two-stage approach resulted in acceptable functional outcomes without significant complications. ;Conclusion: Immediate cutaneous tendinous flaps have clear advantages over staged approaches for reconstruction ofcomposite dorsal hand wounds. Benefits include less operations, faster time to maximum ROM, and higher percent of patients returning to work;however, significantly more flap related complications were seen. Immediate pedicled radial forearm provided the best total active motion with least complications. When patient circumstances dictate, a fascial perforator free flap offers a suitable environment for staged tendon grafts with good functional outcomes reported albeit longer time to achieve them. 展开更多
关键词 Composite dorsal hand wound flap extensor tendon reconstruction
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