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| 1 | Intergrowth texture in Au-Ag-Te minerals from Sandaowanzi gold deposit,Heilongjiang Province:Implications for ore-forming environment显示文摘Sandaowanzi gold deposit,Heilongjiang Province,is the only single telluride type gold deposit so far documented in the world,in which 90% of gold is hosted in gold-silver telluride minerals.Optical microscope observation,scanning electron microscope,electron probe and X-ray diffraction analysis identified abundant intergrowth textures in the Au-Ag-Te minerals,typified by sylvanite-hosting hessite crystals and hessite-hosting petzite crystals.The intergrown minerals and their chemistry are consistent,and the hosted minerals are mostly worm-like or as oriented stripes,evenly distributed in the hosting minerals,with clear and smooth interfaces.These suggest an exsolution origin for the intergrowth texture.With reference to the phase-transformation temperature derived from synthesis experiments of tellurides,the exsolution texture of Au-Ag-Te minerals implies that the veined tellurides formed at 150-220℃.The early stage disseminated tellurides formed at log f(Te 2) from 13.6 to 7.8,log f(S 2) from 11.7 to 7.6,whereas the late stage veined tellurides formed at log f(Te 2) ranging from 11.2 to 9.7 and log f(S 2) from 16.8 to 12.2. | XU Hong YU YuXing WU XiangKe YANG LiJun TIAN Zhu GAO Shen WANG QiuShu | 2012 | Chinese Science Bulletin2012，57，21： | 6 |
| 2 | High-Q, low-mode-volume microsphere-integrated Fabry–Perot cavity for optofluidic lasing applications显示文摘We develop a hybrid optofluidic microcavity by placing a microsphere with a diameter ranging from 1 to 4 μm in liquid-filled plano-plano Fabry–Perot(FP) cavities, which can provide an extremely low effective mode volume down to 0.3–5.1 μm^3 while maintaining a high Q-factor up to 1 × 10~4–5 × 10~4 and a finesse of ~2000. Compared to the pure plano-plano FP cavities that are known to suffer from the lack of mode confinement, diffraction, and geometrical walk-off losses as well as being highly susceptible to mirror misalignment, our microsphere-integrated FP(MIFP) cavities show strong optical confinement in the lateral direction with a tight mode radius of only 0.4–0.9 μm and high tolerance to mirror misalignment as large as 2°. With the microsphere serving as a waveguide, the MIFP is advantageous over a fiber-sandwiched FP cavity due to the open-cavity design for analytes/liquids to interact strongly with the resonant mode, the ease of assembly, and the possibility to replace the microsphere. In this work, the main characteristics of the MIFP, including Q-factor, finesse, effective mode radius and volume, and their dependence on the surrounding medium's refractive index, mirror spacing, microsphere position inside the FP cavity, and mirror misalignment, are systematically investigated using a finite-element method.Then, by inserting dye-doped polystyrene microspheres of various sizes into the FP cavity filled with water, we experimentally realize single-mode MIFP optofluidic lasers that have a lasing threshold as low as a few microjoules per square millimeter and a lasing spot radius of only ~0.5 μm. Our results suggest that the MIFP cavities provide a promising technology platform for novel photonic devices and biological/chemical detection with ultra-small detection volumes. | XIAOQIN WU YIPEI WANG QIUSHU CHEN YU-CHENG CHEN XUZHOU LI LIMIN TONG XUDONG FAN | 2019 | Photonics Research2019，7，1： | 3 |
| 3 | Effect of pulse magnetic field on microstructure of austenitic stainless steel during directional solidification显示文摘 | Changjiang Song Qiushu Li Haibin Li Qijie Zhai | 2007 | Materials Science & Engineering A2007，，1： | 1 |
| 4 | Effect of pulsed magnetic field on microstructure of 1Cr18Ni9Ti austenitic stainless steel显示文摘 | Qiushu Li Changjiang Song Haibin Li Qijie Zhai | 2007 | Materials Science & Engineering A2007，，1： | 1 |
| 5 | A comparison ofanterior cervica] discectomy and corpectomy in patients withmultilevel cervical spondylotic myelopathy 显示文摘 | Qiushu Liu’Xuhui Zhou Xinwei Wang | 2012 | Eur Spine J2012，21，3： | 1 |
| 6 | Effect of pulse magnetic field on microstructure of austenitic stainless steel during directional solidification显示文摘 | SONG Changjiang LI Qiushu LI Haibin | 2008 | Materials Science and Engineering A2008，，485： | 1 |
| 7 | Effect of pulsed magnetic field on microstructure of 1Cr18Ni9Ti austenitic stainless steel显示文摘 | LI Qiushu SONG Changjiang LI Haibin | 2007 | Materials Science and Engineering A2007，，466： | 1 |
| 8 | Effect of pulsed magnetic field on microstructure of 1Crl8Ni9Ti austenitic stainless steel显示文摘 | Qiushu Lia Changjiang Song Haibin Li | | 0，，： | 1 |
| 9 | A digital microfluidic single-cell manipulation systemoptimized by extending-depth-of-field device显示文摘Microfuidic systems have been widely utilized in high-throughput biology analysis,but thedificulties in iquid manipulation and cell cultivation limit its application.This work has developed a new digital microfluidic(DMF)system for on-demand droplet control.By adopting anextending-depth-of-field(EDoF)phase modulator to the optical system,the entire depth of themicrofluidic channel can be covered in one image without any refocusing process,ensuring that 95%of the particles in the droplet are captured within three shots together with shaking pro-cesses.With this system,suspension droplets are generated and droplets containing only oneyeast cll can be recognized,then each single cell is cultured in the array of the chip.Byobservingtheir growth in cell numbers and the green fluorescence protein(GFP)production via fluorescence imaging,the single cell with the highest production can be identified.The results haveproved the heterogeneity of yeast cells,and showed that the combined system can be applied forrapid single-cell sorting,cultivation,and analysis. | Qiushu Chen Qi Meng Yuzhe Liu Xiangan Long Yawei Kong Longfang Yao Liwen Chen Chuanyong Wu Kaiqin Chu Lan Mi Jiong Ma | 2023 | Journal of Innovative Optical Health Sciences2023，16，3： | 0 |
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