نتایج جستجو برای: ä

تعداد نتایج: 1641  

Journal: :Guangxue jingmi gongcheng 2023

ä¸ºå®žçŽ°å°æ›²çŽ‡å‡¹çƒé¢å ‰å­¦çŽ»ç’ƒçš„é«˜æ•ˆè¶ ç²¾å¯†æŠ›å ‰ï¼Œå åˆ†å‘æŒ¥æ—‹è½¬ç£åœºä¸‹ç£æ€§æ··åˆæµä½“å ¼å ·é»åº¦å’Œç²’å­åŠ¨æ€åˆ†å¸ƒçš„ç‰¹ç‚¹ï¼Œæå‡ºäº†ä¸€ç§æ–°åž‹åŠçƒå¤´æŠ›å ‰è£ ç½®ã€‚ä½¿ç”¨Ansoft Maxwell仿真分析轴向å ç£åœ†æŸ±æ°¸ç£ä½“åŠå ¶ä¸Šæ–¹åˆ†åˆ«åŠ è£ å¹³é¢é“å—å’Œå‡¹é¢é“å—3ç§ç£æºç»“æž„ä¸‹çš„ç£åœºåˆ†å¸ƒï¼Œå‘çŽ°åŠ å‡¹é¢é“å—èƒ½å¼ºåŒ–â€œè¾¹ç¼˜æ•ˆåº”â€ï¼Œ...

Journal: :Chinese Journal of Luminescence 2023

Mn4+离子2Eg→4A2g跃迁是宇称和自旋禁戒跃迁,在Mn4+æ¿€æ´»è§å ‰ç²‰ä¸­èŽ·å¾—è¯¥è·ƒè¿çš„å¼ºé›¶å£°å­çº¿ï¼ˆZero Phonon Line,ZPLï¼‰è§å ‰æ—¢æœ‰ç§‘å­¦æ„ä¹‰åˆæœ‰åº”ç”¨ä»·å€¼ã€‚æœ¬æ–‡å¯¹å ·æœ‰å¼ºZPL发射特征的Mn4+æ¿€æ´»æ°Ÿæ°§åŒ–ç‰©çº¢å ‰è§å ‰ç²‰çš„åˆ¶å¤‡ã€æ™¶ä½“ç»“æž„å’Œè§å ‰æ€§è´¨è¿›è¡Œæ€»ç»“ã€‚å‘çŽ°äº†ä¸€äº›è§„å¾‹ï¼šç›®å‰å¼ºZPLå‘å°„æ°Ÿæ°§åŒ–ç‰©è§å ‰ç²‰ä¸­å¿ƒé˜³ç¦»å­æœ...

Journal: :Chinese Journal of Luminescence 2021

ç ”ç©¶äº†åŸºäºŽç»™-å—ä½“å ±è½­èšåˆç‰©åŒ(2-氧代二氢吲哚-3-亚基) -苯并二呋喃-äºŒé ®å’Œè”å™»å©(PBIBDF-BT) è¶ è–„è†œå å±‚æ™¶ä½“ç®¡çš„ç”µå­¦æ€§èƒ½åŠæ°¨æ°”ä¼ æ„Ÿç‰¹æ€§ã€‚ä½¿ç”¨ç›¸åˆ†ç¦»æ–¹æ³•ä»¥åŠè½¬ç§»-åˆ»èš€æ­¥éª¤åˆ¶å¤‡äº†ä¸åŒå †å å±‚æ•°çš„PBIBDF-BTè¶ è–„è†œã€‚ç³»ç»Ÿåœ°ç ”ç©¶äº†PBIBDF-BTè¶ è–„è†œå å±‚æ•°ä¸Žå™¨ä»¶æ€§èƒ½çš„å ³ç³»ã€‚å®žéªŒç»“æžœè¡¨æ˜Žï¼Œå•å±‚PBIBDF-BTè¶ è–„è†...

Journal: :Chinese Journal of Luminescence 2023

é€šè¿‡åˆ†å­æž„åž‹å’Œåˆ†å­é—´ç›¸äº’ä½œç”¨æ˜¯è°ƒèŠ‚ææ–™çš„å‘å ‰é¢œè‰²å’Œå ‰ç‰©ç†æ€§èƒ½çš„é‡è¦é€”å¾„ä¹‹ä¸€ã€‚åœ¨æœ¬æ–‡ä¸­ï¼Œæˆ‘ä»¬ä»¥è‹¯å¹¶å™»äºŒå”‘ä¸ºå—ä½“ï¼ˆA),三苯胺(TPA)和二甲基吖啶(DMAC)为给体(D),设计并合成了两种D-A-D和D-A-Dâ€™åž‹çš„å‘å ‰åˆ†å­ï¼Œåˆ†åˆ«ä¸ºTBT 和 DBT。两个分子均表现出同质多晶现象(TBT-O: λPL=593 nm 和TBT-Rï¼...

Journal: :Chinese Journal of Luminescence 2023

é‡‘å±žå¤åŒ–ç‰©é’™é’›çŸ¿å‘å ‰äºŒæžç®¡ï¼ˆPerovskite light⁃emitting diodes, Pero⁃LEDsï¼‰å™¨ä»¶ç»“æž„ä¸­ï¼Œç©ºç©´ä¼ è¾“å±‚ï¼ˆHTL)是影响Pero⁃LEDsæ•ˆçŽ‡çš„å ³é”®æ€§å› ç´ ä¹‹ä¸€ã€‚ç”±äºŽé†‹é ¸é’´ï¼ˆCo(OAc)2ï¼‰è–„è†œå ·æœ‰ä¼˜å¼‚çš„å ‰ç”µç‰¹æ€§ï¼Œæ‰€ä»¥é€‰å ¶ä½œä¸ºç»¿å ‰Pero⁃LEDs的HTLã€‚ç„¶è€Œï¼Œçº¯çš„é’´åŸºåº•è–„è†œå­˜åœ¨ä¼ è¾“è½½æµå­èƒ½åŠ›è¾ƒå·®ã€è–„è†œç²—ç³™åº¦è¾ƒå¤§ç­‰é—®é¢...

Journal: :Journal of remote sensing 2022

åˆ€è€•ç«ç§å†œä¸šæ˜¯çƒ­å¸¦å¹¿æ³›å­˜åœ¨ä¸”å¤‡å—äº‰è®®çš„ä¼ ç»ŸåœŸåœ°åˆ©ç”¨ç±»åž‹ï¼Œåœ¨å¤šå±±ä¸”æ£®æž—è¦†ç›–çŽ‡é«˜çš„è€æŒå°¤ç”šã€‚äººå£å¢žé•¿ã€æž—ä¸šæ”¿ç­–ä¸Žæ°”å€™å˜åŒ–ç­‰æ­£åœ¨åŠ å‰§åˆ€è€•ç«ç§å†œä¸šè‡ªèº«æ¼”å˜åŠå ¶å‘å•†å“åŒ–ç§æ¤å›­ï¼ˆå¦‚æ©¡èƒ¶æž—ï¼‰è½¬å˜ã€‚å› å†œæž—æ—¶ç©ºè½¬å˜åŠ¨æ€æ€§ã€ç›¸è¾ƒäºŽçŽ°ä»£å†œä¸šçš„è¾¹ç¼˜æ€§åŠå ¶æ–‘å—ç ´ç¢Žä¸”åˆ†å¸ƒéšæœºç­‰ï¼Œçƒ­å¸¦åˆ€è€•ç«ç§å...

Journal: :Guangxue jingmi gongcheng 2023

é’ˆå¯¹ä¼ ç»Ÿå›¾åƒå¢žå¼ºç®—æ³•åœ¨æ€»ä½“ç §åº¦ä½Žä¸”å ‰ç §åˆ†å¸ƒä¸å‡çš„çŽ¯å¢ƒå† æ˜“é€ æˆå›¾åƒè¿‡åº¦å¢žå¼ºå’Œè‡ªç„¶åº¦ä¿å­˜èƒ½åŠ›å¼±çš„é—®é¢˜ï¼Œæå‡ºäº†ä¸€ç§åŸºäºŽå ‰çº¿æ•£å°„è¡°å‡æ¨¡åž‹çš„ä½Žç §åº¦å›¾åƒå¢žå¼ºç®—æ³•ã€‚é¦–å ˆï¼Œæœ¬æ–‡æå‡ºäº†å ‰çº¿æ•£å°„è¡°å‡æ¨¡åž‹ï¼Œè¯¥æ¨¡åž‹åˆç†è§£é‡Šäº†éžå‡åŒ€å §åˆ†å¸ƒçš„æˆåƒè¿‡ç¨‹ï¼Œå ¶æ¬¡ï¼Œé€šè¿‡Max-RGBæ»¤æ³¢å™¨åˆ†åˆ«ä¼°è®¡æ¯ä¸ªåƒç´ çš„ç §...

2010
PER HAG

The purpose of this paper is to prove a common generalization of a theorem due to T. W. Gamelin [3] and a theorem due to Z. Semadeni [5]. Both these results are generalizations of E. Bishop's abstract version of the well-known RudinCarleson theorem [2]. In the following X denotes a compact Hausdorff space, F a closed subset of X and C(A') and C(F) denote the spaces of all complex-valued functio...

Journal: :Guangxue jingmi gongcheng 2023

在功率半导体市场中,绝缘æ 双极型晶体管(Insulated gate bipolar transistor,IGBTï¼‰å’Œç¢³åŒ–ç¡ é‡‘å±žæ°§åŒ–ç‰©åŠå¯¼ä½“åœºæ•ˆåº”ç®¡ï¼ˆSilicon carbide metal-oxide-semiconductor field-effect transistor,SiC MOSFETï¼‰å ·æœ‰å‡ºè‰²çš„è€åŽ‹æ€§ä¸Žé¢‘çŽ‡ç‰¹æ€§ï¼Œé€æ¸å–ä»£äº†ä¼ ç»Ÿçš„MOSFET。为了提高IGBT和SiC MOSFETé©±åŠ¨ç”µè·¯çš„å¯é æ€§ï¼Œè®¾è®¡äº†ä¸€æ¬¾å ‰è€¦éš”ç¦»å¼æ ...

Journal: :Journal of remote sensing 2022

é¥æ„Ÿå½±åƒèžåˆä½œä¸ºå½±åƒå¤„ç†é¢†åŸŸä¸­æœ€å ·æœ‰æŒ‘æˆ˜çš„å·¥ä½œï¼Œä¸€ç›´æ˜¯å­¦æœ¯ç•Œç ”ç©¶çš„çƒ­ç‚¹ã€‚åˆæˆå­”å¾„é›·è¾¾SAR(Synthetic Aperture Radarï¼‰å ·å¤‡å ¨å¤©æ—¶ã€å ¨å¤©å€™ã€ç©¿é€äº‘é›¾ç­‰å¤šç§ç‰¹ç‚¹ï¼Œå´å› å­˜åœ¨ç›¸å¹²æ–‘å™ªå£°ç­‰é—®é¢˜ï¼Œä½¿å¾—å½±åƒéš¾ä»¥è§£è¯‘ã€‚ç›¸æ¯”ä¹‹ä¸‹ï¼Œå ‰å­¦å½±åƒå¯ä»¥åæ˜ åœ°ç‰©çš„å ‰è°±å’Œç©ºé—´ä¿¡æ¯ï¼Œæ˜“äºŽè§£è¯‘ï¼Œä½†å®¹æ˜“å—åˆ°äº‘é›¾å¹²æ...

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