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Effect of Cr2O3 addition on oxidation induration and reduction swelling behavior of chromium-bearing vanadium titanomagnetite pellets with simulated coke oven gas

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International Journal of Minerals,Metallurgy and Materials 2019年第8期26卷 963-972页

作者： Wei-dong Tang Song-tao Yang Xiang-xin Xue School of Metallurgy Northeastern UniversityShenyang 110819China School of Materials and Metallurgy University of Science and Technology LiaoningAnshan 114051China

The oxidation induration and reduction swelling behavior of chromium-bearing vanadium titanomagnetite pellets(CVTP)with Cr2O3 addition were studied,and the reduction swelling index(RSI)and compressive strength(CS)of the reduced CVTP with simulated coke oven gas(COG)injection were *** results showed that the CS of the CVTP decreases and the porosity of the CVTP increases with increasing amount of Cr2O3 *** Cr2O3 mainly exists in the form of(Cr,Fe)2O3 solid solution in the CVTP and as Fe-Cr in the reduced *** CS of the reduced CVTP increases and the RSI of the reduced CVTP decreases with increasing amount of Cr2O3 *** limited aggregation and diffusion of metallic iron contribute to the formation of dense lamellar crystals,which leads to the slight decrease for reduction swelling behavior of reduced *** work provides a theoretical and technical basis for the utilization of CVTP and other Cr-bearing ores such as chromite with COG recycling technology.

关键词： chromium oxide oxidation induration reduction swellability coke oven gas chromium-bearing vanadium titanomagnetite pellets

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Biker’s Nodule: A Perineal Nodular induration of the Cyclist

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Advances in Sexual Medicine 2012年第1期2卷 1-2页

作者： Alakeel Abdullah Halabi-Tawil Maya Besseige Henri Crickx Béatrice Descamps Vincent Department of Dermatology Bichat Claude Bernard Hospital Assistance Publique-Hopitaux de Paris

A case of “biker’s nodule” in an 80 year-old cyclist is reported. The “biker’s nodule” is caused by repeated microtrauma to the subcutaneous fatty tissue or collageneous tissue on the perineal region resulting i... 详细信息

关键词： Perineal Nodular induration Biker’S Nodule Hygroma

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Future considerations in prosthetic urology

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Asian Journal of Andrology 2020年第1期22卷 70-75页

作者： Landon Trost Mayo Clinic Department of Urology200 First St SW RochesterMN 55905USA

Since their popularization,genitourinary prosthetics have remained a gold-standard therapy for the treatment of erectile dysfunction and stress urinary incontinence and in cases of testicular loss or *** have also represented an area of significant innovation,which has contributed to excellent long-term *** this history,the objective of the current review was to provide a 5-10-year outlook on anticipated trends and developments in the field of genitourinary *** accomplish this objective,a PubMed and patent search was performed of topics relating to penile and testicular prostheses and urinary *** regard to penile prostheses,findings demonstrated several new concepts including temperature-sensitive alloys,automated pumps,devices designed specifically for neophalluses,and improved malleable *** artificial urinary sphincters,new concepts include the ability to add or remove fluid from an existing system,two-piece systems,and new mechanisms to occlude the *** testicular prosthetics,future implementations may not only better replicate the feel of a biological testicle but also add endocrinological *** device innovation,the future of prosthetics is also one of expanding geographic boundaries,which necessitates variable cost modeling and regulatory *** trends are also changing,with a greater emphasis on nonnarcotic,postoperative pain control,outpatient surgeries,and adjunctive techniques to lengthen the penis and address concomitant stress incontinence,among *** with device and surgical changes,future considerations also include a greater need for education and training,particularly given the rapid expansion of sexual medicine into developing nations.

关键词： erectile dysfunction penile induration penile prosthesis prostheses and implants stress urinary incontinence

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