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Alternating from spheres to rugby balls is no longer the sole preserve of mercury isotopes, an international team at CERN’s ISOLDE facility reports in a paper published in Physical Review Letters.
中肝切除在Bismuth Ⅳ型肝门部胆管癌外科手术中的应用
肝门部胆管癌 Bismuth 中肝切除
2020/9/22
探讨中肝切除在Bismuth Ⅳ型肝门部胆管癌治疗中的应用价值。方法 回顾性分析2015年1月至2019年4月间7例Bismuth Ⅳ型肝门部胆管癌行中肝切除病人的临床资料。
1例Bismuth Ⅲa 型肝门胆管癌的规范化手术治疗
肝门胆管癌 手术治疗 肝切除术 门静脉切除重建
2020/7/10
总结 1 例行肝门胆管癌（HC）根治术+门静脉部分切除重建+肝门胆管成形+胆管空肠 Roux-en-Y 吻合术的 Bismuth Ⅲa 型 HC 病例的诊治过程，并综述国内外关于 HC 手术治疗的发展现状。方法 回顾性分析总结 1 例 Bismuth Ⅲa 型 HC 患者的临床资料。患者术前总胆红素水平为 346.8 μmol/L，行经皮肝胆管穿刺引流术（PTBD）减黄后，行 HC 根治术+门静脉...
Bismuth-based nanoribbons show ‘topological’ transport,potential for new technologies
Bismuth-based nanoribbons topological transport potential
2016/2/22
Researchers have created nanoribbons of an emerging class of materials called topological insulators and used a magnetic field to control their semiconductor properties, a step toward harnessing the t...
Sequential and concomitant non-bismuth quadruple therapies are ineffective for H. pylori eradication in Palestine. A randomized trial
Helicobacter pylori Eradication Therapies Sequential Therapy Concomitant Therapy
2013/1/30
Background: Increasing clarithromycin resistance has undermined the effectiveness of traditional clarithromycin-containing triple eradication therapy of Helicobacter pylori infections. Sequential and ...
Possible centers of broadband near-IR luminescence in bismuth-doped solids: $Bi^{+}$, Bi$_5^{3+}$, and Bi$_4^0$
near-IR broadband
2011/9/13
Subvalent bismuth centers (interstitial Bi+ ion, Bi3+5 cluster ion, and Bi0 4 cluster) are examined as possible centers of broadband near-IR luminescence in bismuth-doped solids on the grounds of quan...
Interstitial BiO molecule as a center of broadband IR luminescence in bismuth-doped silica glass
Interstitial BiO molecule broadband IR luminescence bismuth-doped silica glass
2011/8/18
Abstract: IR luminescence and absorption in bismuth-doped silica glass-core fibers observed recently (see [arXiv:1106.2969v1 [physics.optics]) are argued to be caused by transitions in interstitial Bi...
IR Bismuth active centers in optical fibers: Combined excitation-emission spectroscopy
IR Bismuth active centers excitation-emission spectroscopy
2011/9/2
Впервые получены 3-мерные спектры люминесценции (интенсивность люминесценции в зависимости от длин волн возбуждения и эмиссии) легированных висмутом волоконных световодов различного состава в широком ...
Tunable nonlinear frequency conversion of bismuth-tellurite glass holey fiber
Nonlinear optics fiber Harmonic generation and mixing
2015/5/22
We report on tunable parametric generation (PG) and third-harmonic generation (THG) in a 2.9-μm core bismuth-tellurite holey glass fiber. The maximum conversion efficiency was measured to be 0.1% and ...
Bismuth-Doped Optical Fiber Amplifier for 1430 nm Band Pumped by 1310 nm Laser Diode
Bismuth Optical Fiber Amplifier Pumped Laser Diode
2015/5/20
A 24dB gain Bismuth-doped fibre amplifier pumped by a 65mW commercial laser diode at 1310nm is reported for the first time. A 3dB bandwidth of 36nm and a noise figure of 6dB are demonstrated.
Generation of Ultra-wideband Doublet Pulses Based on Kerr Shutter Using an Elliptically Polarized Beam in Bismuth Oxide-based Nonlinear Optical Fiber
Ultra-wideband Doublet Pulses Kerr Shutter Elliptically Polarized Beam
2015/5/15
We demonstrate a nonlinear signal-processor incorporating a Bismuth-based nonlinear fiber for UWB doublet pulse generation. High quality of doublet pulses is readily generated from the signal-processo...
Demonstration of Polarization Insensitive Wavelength Conversion of 112-Gb/s Polarization Multiplexed RZ- QPSK Signals Using Bismuth-Oxide-based Nonlinear Optical Fiber with High SBS Threshold
Fiber Optics Communications Networks
2015/6/10
Polarization insensitive wavelength conversion by employing a dual pump scheme in 112-Gb/s polarization-multiplexed RZ-QPSK system has been realized by using a 2-m Bismuth-Oxide-based nonlinear optica...
All-Optical up-conversion 10-Gb/s signal in 60-GHz ROF system using 2-m Bismuth Oxide-based fiber
Fiber optical communications Fiber optics links subsystems
2015/6/8
All-optical up-conversion based on dual-pump four-wave mixing (FWM) in 2-m Bismuth Oxide-based fiber for 10-Gb/s OOK wireless signals in 60-GHz ROF systems has been experimentally demonstrated for the...
Modification of Spectroscopic Properties of Bismuth Doped Silica Fiber by Post-fabrication Process and Different Fabrication Methods
Fiber materials Lasers fiber
2015/6/5
The spectroscopic properties of pristine and H 2 -loaded MCVD based Bi-doped aluminosilicate fibers were investigated. Also, the properties of Bi-doped fiber, fabricated by powder-in-tube method, have...
Scavenging and retention of bismuth by marine plankton and biogenic particles
Scavenging retention bismuth marine plankton biogenic particles
2014/4/17
We did radiotracer experiments using207 Bi to quantify the bioavailability, accumulation, and retention of bismuth in marine plankton and biogenic detritus. The accumulation of207Bi by two species of ...