, 2011 针对桥丝辐射温度检测中存在被测目标体积小,红外辐射量小, 远距离传输损耗大等难点技术问题,设计了一种双波长光纤温度测量系统。根据电火工品热辐射的原理,得出双波长测温数学模型,采取有效的光学光纤耦合和提高 系统信噪比的措施,采用InSb(响应波长范围为0.8～3μm)和HgCdTe(响应波长范围为3～5μm)双波段探测器,实现了对电火工品目标进行非 接触的感应电流及温度测量。测试装置电磁屏蔽能力强,受环境温度影响小,避免了温度漂移带来的测量误差,测量温度精度达到1K,为桥丝等极弱热辐射的温度 ...
杨瑾 +4 more
core
[Development and performance testing of a high-sensitivity pulsed flame photometric detector]. [PDF]
Se PuChen JB +4 more
europepmc +1 more source
[A simulation study of photothermal effects in transcranial photobiomodulation]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiLiu X +6 more
europepmc +1 more source
[Expert consensus on the clinical management of therapeutic hypothermia for neonatal hypoxic-ischemic encephalopathy (2026)]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiEvidence-Based Medicine Group +2 more
europepmc +1 more source
[Disease burden and risk factors of myocarditis among children and adolescents aged 0-19 years in China from 1990 to 2021 and projection of future disease burden trends]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiZhao LH, Zhang JX, Zhao ZZ, Wu W.
europepmc +1 more source
, 2018 本发明提供了脉冲激光热疲劳实验时温度的闭环控制方法，先预设一个试样实验时的目标温度值，再获取试样表面在一定时间段内的温度值；计算出该时间段内的实时平均温度值、最高温度和最低温度、实时温度震荡值；然后利用预设的目标温度平均值和目标温度震荡值分别与实时温度平均值和实时温度震荡值进行偏差计算，将偏差结果代入BP神经网络PID控制模块，经过计算后得到实时工作参数；最后根据实时工作参数去调整下一时间段脉冲激光的工作状态；重复前述步骤，直至当前试样表面的实际温度值符合目标温度值的要求 ...
郑彩云 +5 more
core
[Comparison of chiral separation performance of （2-hydroxyethyl-<i>β</i>）-cyclodextrin bonded superficially porous and fully porous particle chiral stationary phases in supercritical fluid chromatography and reversed-phase liquid chromatography]. [PDF]
Se PuYang GY +4 more
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, 2010 【目的】为了解新疆北部地区冬季不同土壤深度的温度和冬前灌溉与未灌溉条件下土壤水势的动态变化。【方法】采取温度和水势自动化数据采集系统对该地区土壤进行监测。【结果】2002年11月~2003年2月,随着土壤深度增加,月均土壤温度增加,2003年3月以后,随着空气温度上升,表层土壤升温相对比较快,土壤深层的温度小于表层温度,3月40 cm土壤温度比0 cm低1.3℃。1~2月土壤温度的变异性为0.9%~7.74%,3~4月的温度变异性增大,变异范围为8.61%~35.14%;随着土壤深度增加 ...
吕昭智, 张江国, 王佩玲
core
[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.
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