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- A false spectral line caused by imperfections in the diffraction grating. 鬼線(xiàn)衍射光柵中的不完整衍射引起一條虛幻的鬼線(xiàn)
- A spectral line is emitted when an atom proceeds from an excited state to a lower state. 當原子從一個(gè)受激態(tài)進(jìn)入另一個(gè)較低的狀態(tài)時(shí)，就發(fā)射一條譜線(xiàn)。
- More than 57 spectral lines have a power above 0.5 W at a single line. 單支輸出功率在500mW以上的有57支譜線(xiàn).
- Nevertheless, there is misapplication about understanding spectral line parallelism and spectral vector parallelism. 然而，在實(shí)際認識中，存在著(zhù)光譜譜線(xiàn)平行和光譜向量平行混淆的誤區。
- Normally, the measured spectral line for the superheated iron atoms would show up as a symmetrical peak. 通常，所測得的超高溫鐵原子光譜線(xiàn)會(huì )顯示出一個(gè)均勻的尖頂。
- Cesium-133 atoms emit a thin microwave spectral line when its 55th electron jumps back from an excited state orbital to its ground state (transition). 銫133原子發(fā)射一個(gè)細的微波譜線(xiàn)當它的第55個(gè)電子從受激態(tài)軌道跳回基態(tài)時(shí)（躍遷）。
- The main spectral components are distinguished in the heart rate variability spectrum: ultra low frequency(ULF),very low frequency(VLF), low frequency(LF), high frequency(HF) components . 心率變異性長(cháng)時(shí)程功率譜主要成份分為超低頻、極低頻、低頻、高頻。
- A high-resolution, multi-line spectroscopic diagnostic system was used to detect two spectral line intensities in plasma jet simultaneously. 摘要采用一套高精度多譜線(xiàn)的等離子光譜診斷系統來(lái)同時(shí)探測等離子體射流中兩條譜線(xiàn)的強度。
- The experimental results show that the blackness of the spectral line is linear to the logarithm of the sample accumulating time. 實(shí)驗結果表明:譜線(xiàn)黑度值與試樣積累時(shí)間的對數值之間具有較好的線(xiàn)性關(guān)系。
- After a little argon was mixed, the breakdown voltage of discharge obviously decreased.The spectral line intensities of nitrogen molecules and nitrogen atoms increased. 在大氣中加入少量氬氣后，擊穿電壓明顯降低，在相同電壓條件下，氮分子光譜線(xiàn)和氮原子光譜線(xiàn)強度都增強。
- The investigations have been made on sample preparation,apparatus parameter optimazation, spectral line selections,the interference of major element and the effect of acidity. 試驗研究了試樣的制備方法，優(yōu)化了儀器多數。進(jìn)行了譜線(xiàn)選擇，基體元素干擾，酸度影響等試驗。
- It is affirmed that the absorption edge below 4. 0 eV is attributable to indirect transition,the significant discussion of three straight-line parts of spectral line are obtained by studing the curve of LiNbO3. The energy gap E, is 3. 38eV. 通過(guò)對晶體a~(1/2)-hv曲線(xiàn)的研究;肯定了40.;eV以下吸收邊的間接躍遷性質(zhì);并討論了三段直線(xiàn)的意義。 確定了禁帶寬度E_f的值為3
- The applied software programed by us can realize wavelength calibration,spectral line identification and give out automaticly the results of qualitative and semidefinite quantity analysis. 自編軟件完成波長(cháng)校正和譜線(xiàn)查找后，自動(dòng)報出定性和半定量分析結果。
- In 1896 Seeman observed that application of an external magnetic field caused a splitting of atomic spectral lines. 1896年西曼觀(guān)察到應用外磁場(chǎng)時(shí)，使原子光譜線(xiàn)分裂。
- Cygnus X-1 must have a mass of about 7 solar masses or else it would not exert enough gravitational pull to cause the wobble in the spectral lines of HDE 226868. 天鵝座X則必須有7個(gè)太陽(yáng)大小的質(zhì)量，否則它將不會(huì )有足夠的引力來(lái)引起HDE226868譜線(xiàn)的來(lái)回波動(dòng)。
- Spectroscopic observations show that the spectral lines of HDE 226868 shift back and forth with a period of 5. 6 days. 分光鏡的觀(guān)測表明HDE226868譜線(xiàn)的來(lái)回波動(dòng)有5.;6天的周期。
- The main impediment to growth is a lack of capital. 影響發(fā)展的主要障礙是缺乏資本。
- The beginning of atomic physics is marked by the discovery and scrutinious study of spectral lines. 譜線(xiàn)的發(fā)現和深入研究標志著(zhù)原子物理學(xué)的開(kāi)端。
- Such wobbling betrays itself as tiny Doppler shifts in the spectral lines present in a star's light. 這樣的搖晃現象，會(huì )顯現在恒星光譜中，使譜線(xiàn)產(chǎn)生微小的都卜勒位移。
- An additional telephone connected to a main line. 電話(huà)分機一部連到主線(xiàn)上的增設電話(huà)
