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- Single photon absorption was ued to determine the bone mineral density(BMD)of the elbow bone and radial bone. 结论2型糖尿病患者骨形成减少,骨吸收增加,骨质疏松症发生率高。及早对糖尿病性骨质疏松进行防治有重要意义。
- We think with the appropriate design of structure, anthracenederivatives can be used as fine two photon absorption materials. 我们认为经过恰当结构设计合成出的蒽基衍生物可能成为一类优良的双光子材料。
- In exposured, UV ink photopolymerization initiationless photon absorption certain wavelength, excitated to the excited state, or ion formation of free radicals. 在紫外平照射下,UV油不朱洋的平撮合引发剂汲取必定波长的平子,激勉到激勉态,酿成自由基或离子。
- Abstract A new instrument based on monoenergetic photon absorption for measurement the limb osteodensity of living body is described including its structure, performance and clinical applications. 摘要 文章介绍了采用单能光子吸收法测量活体四肢骨密度的新型仪器的结构、性能及其临床应用。
- Both the red and green emissions of Er 3+ in oxyfluoride host are due to two photon process. The green emission in ZBLAN is due to two photon process, and the red emission is due to two and three photon processes. 分析了两种基质中Er3+ 的上转换发光机制 ,氟氧化物基质中Er3+ 离子红绿光发射均为双光子过程 ,ZBLAN基质中Er3+ 离子绿光发射为双光子过程 ,而红光发射为双光子和三光子混合过程。
- two photon absorption cross section 双光子吸收截面
- two - photon absorption coefficient 双光子吸收系数
- three photon resonant ionization 三光子共振电离
- Keywords anthracene;two photon absorption;non-conjugated polymer; 蒽基衍生物;双光子材料;非共轭高分子;
- The Si-SiO_2 composite and Si inverse opal have three photonic band gaps lying in band2-band3, band5-band6,band8-band9. The gap width between band5-band6 is relatively narrow. Si-SiO2复合体与Si反Opal垂直(111)面入射时,在较高的填充率下存在三个光学带隙,分别位于band2-band3、band5-band6、band8-Band9,其中band2-band3之间的带隙较宽,band5-band6之间的带隙较窄,band8-band9之间的带隙会产生完全带隙。
- The Two--Photon Absorption of Tb~(3+) Ion in Noncrystalline TbP_5O_(14) TbP_5O_(14)非晶中Tb~(3+)的双光子吸收
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- The train arrived on the dot of three o'clock. 那辆火车三点钟准时到达。
- Her family lives three li away from her school. 她家住在离学校有三里路的地方。
- We spied three figures in the distance. 我们望见远处有三个人影儿。
- The earthwork was cast up in three hours. 土方工程在三小时内就完成了。
- It's three blocks straight ahead. 一直往前走过三个街区就是。
- The investigator will be divided into three groups. 所有的调查员将被分为三个小组。
- Optical Limiting Effect Resulted from Single Photon Absorption in PDA Composites 基于单光子吸收的PDA光限幅效应