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磁控式全固态激光器输出功率稳定装置

open access: yes
 本发明公开了一种磁控式全固态激光器输出功率稳定装置,其特征在于,该装置包括磁控式镜片平移装置、全反射镜、全固态激光器的激光头、全固态激光器的输出镜、45°激光部分反射镜、光电探测器和控制器,磁控式镜片平移装置带动激光器的全反射镜前后移动改变腔长;45°激光部分反射镜在腔外放置,用于将少量激光反射至光电探测器,光电探测器将收集到的光信号转换为电信号,然后将电信号传送至控制器,控制器经过内部程序运算计算出合适的激光器腔长改变量 ...
李晋闽   +4 more
core  

书刊文摘

open access: yesDianci bileiqi, 1989
荷电率是金属氧化物避雷器的一个重要参数,它理解为可以加在避雷器上的最大工频电压幅值(Uc)与电流为1~5mA时的起始动作电压(Ui)之比.可取用的荷电率越高,避雷器的保护作用和运行可靠性越好.荷电率的值一方面由阀片在长期Uc电压作用下的老化决定的;另一方面由耐受一定时间(tg)的短时工频过电压倍数K的能力决定的.对新的阀片(在115℃荷电率80%1000h下)进行的试验表明,在此期间(阀片的等效寿命),功率损耗变化不超过2.5%,当Uc=0.93kV时损耗值不大于1.3W ...
doaj  

[Assessment of myocardial injury following anthracycline chemotherapy in children with leukemia by echocardiography]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Xia YL   +5 more
europepmc   +1 more source

[Research on a muscle fatigue quantification based on an improved critical power model]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Wu X, Shang J, Niu X, Lin H, Du Y.
europepmc   +1 more source

[Influencing Factors for Secondary Fungal Infections in Systemic Lupus Erythematosus]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Li C   +5 more
europepmc   +1 more source

[Development and validation of an explainable machine learning-based model for predicting mortality risk in polytrauma patients]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Jiang Y   +7 more
europepmc   +1 more source

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