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- The reason is that PBD acts as a hole blocking material in the emitting layer (PVK: Tb complex: PBD) and thus the combination of excitons mostly occur within this layer. 在共掺杂的发光层中铽配合物的电致发光来源于两个途径,一个是由PVK到铽配合物的能量传递,另一个是电子和空穴在铽配合物上直接复合发光。
- This machine is suitable for the grinding and arranging of the dry and block materials by the lines of pharmacy , chemical ,and foodstuff , as well as for the re-arranging of unqualified troches . 本机适用于制药、化工、食品等行业干燥的块状原料的粉碎和整粒,也适用于不合要求药片的重新整粒。
- This machine is suitable for the grinding and arranging of the and dry and block materials by the lines of pharmacy,chemical,and foodstuff as for the er-arranging of unqualified troches. 本机适用于制药、化工、食品等行业干燥的块状原料的粉碎和整粒,也适用于不合要求药片的重新整粒。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- Main Products: EVA plastic foaming, super-white plate, block material, shoe last , moulded sole, hot-pressed lining, attached processing line. 本公司专业生产各种EVA橡塑发泡、特白片材、大牛胶、杂交鞋扦、成型锯底、烘压衬面、贴接成型加工一条线,欢迎惠顾。
- Prohibition of single row of hole block in outside wall 谈建筑节能技术及外墙单排孔砌块的禁用
- He is a great guy, a chip off the old block. 他是一位好人,就像他父亲一样。
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔,以便装一把新锁。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一个洞。
- Stick your hand in and see what's in the hole. 把手伸进去,看看洞里有什么。
- The dog skins through the small hole in the wall. 那条狗勉强钻过小小的墙洞。
- That old block of flats is a real eyesore! 那座旧公寓真不顺眼!
- The men in the hole sent up for more equipment. 在洞穴中的人们向上面要求再给他们一些设备。
- The mice have nibbled a hole in the cheese. 老鼠在奶酪上啃出了一个洞。
- I saw a rabbit dive into its hole. 我看见一只兔子钻进洞。
- Mind out (of the way) you're blocking the passage. 让让(路)--你挡道了。
- She poked her finger into the hole. 她把手指插入孔中。
- Their dog bit a hole in my trousers. 他们的狗把我的裤子咬了个窟窿。
- He knocked a big hole in the wall. 他把墙撞出了一个大洞。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries