黄色视频欧美一级/欧美操逼。/色多多成人黄app在线观看/天天插天天射

ppb?????????SO2???????崫??????????SF6???????
2024-12-13 22:04:04   ????????????   ?????0   ?????

?????о?????????????????ppb??SO2???????崫????????????????????????弤?????????????Q???????????????SF6??????е?SO2???????????????????????????????????δ?????????????????????????????

????????SF₆?????????????????????????????????????????????????????????????????????????ù?????????????????????????????????????????????????????μ????????????????Щ????????豸?????????????????綃??????????????????????????SF₆??????????????????????????SO₂???????????????????Щ?????????????м??????????????????豸?????????????????

?????о???????????????????????SF₆?????????崫????????????????У??????????????PAS???????????????????????????????????????????????????????????????

???????????????????????????????????????????????????????????о????????????????о???????????266 nm??????????????弤????????????????Q????????????з?????????????ppb??????SO₂???????崫???????????Ч??????????SF₆?????????????о??????“ppb-Level SO₂ Photoacoustic Sensor for SF₆ Decomposition Analysis Utilizing a High-Power UV Laser with a Power Normalization Method”???????Sensors??????

???????о??????У??о????????????????????Q??????????????UV?????弤????????????SF₆??????е?SO₂???????????弤?????????266 nm??????????28 mW??????????????????????й?????????????????????????????????μ???????????????????????????????????????Q?????????SF₆?????????е???????????

266 nm???????????????ν???a??c??d????????????b??

?1 266 nm???????????????ν???a??c??d????????????b??

??????????????????????????????????

?2 ??????????????????????????????????

SO₂???????崫??????????

?3 SO₂???????崫??????????

?о???????SO₂???????崫???????????????????????????????????????????????1 s????????1 σ????????????1???2.34 ppb?????????????????????Ч?????????NNEA???7.62 × 10⁻¹⁰ cm⁻¹W√Hz????SO₂???????崫?????????????1 s??????????????????????????????????????????????????????????????????

????50 ppm SO₂??SF₆?????????????????????????

?4 ????50 ppm SO₂??SF₆?????????????????????????

???????????????????????????????仯?????????????50 ppm SO₂??SF₆??????????????仯???

?5 ???????????????????????????????仯?????????????50 ppm SO₂??SF₆??????????????仯???

????????50 ppm SO₂??SF₆??????????????????????????????

?6 ????????50 ppm SO₂??SF₆??????????????????????????????

??a????????SO₂??SF₆?????????????????????b????????????SO₂???仯????????

?7 ??a????????SO₂??SF₆?????????????????????b????????????SO₂???仯????????

???????????????о?????????????????ppb??SO₂???????崫????????????????????????弤?????????????Q???????????????SF₆??????е?SO₂???????????????????????????????????δ?????????????????????????????

?????????https://doi.org/10.3390/s24247911

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?????????崫???????????г?-2023?桷

?????????崫????SGP40?????????

?????????崫????SGP30???????????

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??????SpinMagIC????????????????????С???????????????
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