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real-Time High-resolution MrI Endoscopy at up to 10 Frames per Second

Biomedical Engineering Frontiers 2021年第1期2卷 55-64页

作者： Xiaoyang Liu Parag Karmarkar Dirk Voit Jens Frahm clifford r.weiss Dara L.Kraitchman Paul A.Bottomley Department of Electrical and Computer Engineering Johns Hopkins UniversityUSA The Division of Mr research Department of RadiologyJohns Hopkins UniversityBaltimoreMarylandUSA Biomedizinishe NMr Max-Plank-Institut fur Biophysikalische ChemieGottingenGermany The Division of Interventional radiology Department of RadiologyJohns Hopkins UniversityBaltimoreMarylandUSA

*** is a leading cause of mortality and *** endoscopy,ultrasound,and X-ray offer minimally invasive imaging assessments but have limited sensitivity for characterizing disease and therapeutic *** resonance imaging(MrI)endoscopy is a newer idea employing tiny catheter-mounted detectors connected to the MrI *** can see through vessel walls and provide soft-tissue sensitivity,but its slow imaging speed limits practical *** goal is highresolution MrI endoscopy with real-time imaging speeds comparable to existing ***(3 mm)transmit-receive MrI endoscopes were fabricated for highly undersampled radial-projection MrI in a clinical 3-tesla MrI *** nonlinear reconstruction was accelerated using graphics processor units connected via a single ethernet cable to achieve true real-time endoscopy visualization at the *** endoscopy was performed at 6-10 frames/sec and 200-300μm resolution in human arterial specimens and porcine vessels ex vivo and in vivo and compared with fully sampled 0.3 frames/sec and three-dimensional reference scans using mutual information(MI)and structural similarity(3-SSIM)***-speed MrI endoscopy at 6-10 frames/sec was consistent with fully sampled MrI endoscopy and histology,with feasibility demonstrated in vivo in a large animal model.A 20-30-fold speed-up vs.0.3 frames/sec reference scans came at a cost of~7%in MI and~45%in 3-SSIM,with reduced motion ***-resolution MrI endoscopy can now be performed at frame rates comparable to those of X-ray and optical endoscopy and could provide an alternative to existing modalities,with MrI’s advantages of soft-tissue sensitivity and lack of ionizing radiation.

关键词： scanner frames mounted

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Coating powder beds with liquids and foams based on viscous formulations using a twin screw mixer:A continuous process study

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Particuology 2024年第10期93卷 364-376页

作者： Mohamed S.Manga Dimitrios Kontziampasis Mustafa Al-Maqdad Sean clifford Serafim Bakalis David W.York School of Chemical and Process Engineering Faculty of Engineering and Physical SciencesUniversity of LeedsLeedsLS29JTUK School of Mechanical Engineering Faculty of Engineering and Physical SciencesUniversity of LeedsLeedsLS29JTUK School of Science and Engineering University of DundeeDD14HNDundeeScotlandUK Dundee International Institute of Central South University Tongzipo RoadCentral South UniversityChangshaHunan410013China Department of Chemical Engineering School of EngineeringUniversity of NewcastleNewcastleNE17RUUK School of Chemical Engineering University of BirminghamBirminghamB152TTUK Department of Chemical Engineering Faculty of EngineeringUniversity of NottinghamNG72RDUK

Coating with viscous formulations has been essential in numerous industries as it can be a means for providing functionalization, additional properties, as well as other benefits. However, there have been scarce studies that have investigated and proposed methodologies in literature. Continuous coating of powders with viscous liquids poses as a promising technology, which has been mentioned in some studies, but has not yet been thoroughly investigated. This paper employs the use of image processing and analysis, in combination with statistical analysis of particles to evaluate the effectiveness of foams and liquids as a means of coating powder beds. Two different sizes of twin screw mixers that are working in continuous operation are employed, and a new continuous foaming device is fabricated and used for the experiments of coating. The effect of materials and process parameters (as for example rotational speed, and flowrate) on the quality of coating are investigated. Image analysis is used to assess the coating quality. The results clearly showcase the potential of using twin screw mixers for coating purposes and not only for mixing. The hypothesis that using large bubble foams to improve the coating of viscous liquids on particles is proven correct, as they provide higher quality coatings compared to their equivalent liquids, when used in the twin screw mixer. Surprisingly, using a larger scale twin screw mixer, does not show a substantial effect on the mixing, regarding quality, however there is still a requirement for mix optimization for achieving scale-up of this process. These results provide a new pathway for coating powders with viscous formulations in industrial applications, requiring less energy and effort in this process, and can pave the way towards introducing more sustainable industrial methodologies for coating.

关键词： Powder coating Continuous processing Viscous liquid Foam Image analysis Positron emission particle traking(PEPT)

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The Fentanyl Crisis and ***

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Beijing review 2024年第5期67卷 22-23页

作者： clifford A.Kiracofe The Washington InstituteforPeaceand Development.

During their summit in San Francisco,California,on November 15,2023,Chinese President Xi Jinping and *** Joe Biden announced continued cooperation on counternarcotics issues,and a crackdown on fentanyl in *** on a wid... 详细信息

关键词： U.S. continued fentanyl

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A Just Solution to the Middle East Conflict Is a Must

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Beijing review 2024年第37期67卷 18-19页

作者： clifford A.Kiracofe 不详

Tensions are rising and the risk of regional war looms over the Middle *** has yet to restrain escalation and prospects for peace unfortunately are dim at this *** regional situation is *** assassinations raise tensions In addition to the devastating Israeli incursion into occupied Gaza that began after the tragic events of October 7 last year,there is also increasing Israeli pressure on the occupied West Bank,continued Israeli assassinations of top-level Hamas and Hezbollah officials,the continuing Israeli air attacks on Lebanon and Syria,and also the Israeli intransigence at the negotiations over a ceasefire in Gaza.

关键词： peace Middle occupied

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THE SUMMIT OF U.S.,JAPAN AND PHILIPPINES:A STEP CLOSEr TO NEW COLD WAr

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China report ASEAN 2024年第5期9卷 60-61页

作者： clifford A.Kiracofe the Washington Institute for Peace the US Senate Committee on Foreign relations

The leaders’summit of the United States,Japan,and the Philippines held in Washington,*** billed as“historic.”Manila will join the Washington-led new arrangements targeted at China.

关键词： arrangement Washington China

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Geochemical fingerprints and hydrocarbon potential of Paleocene mudrocks in the Tano Basin, Ghana: insights from biomarkers and stable carbon isotopes

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Acta Geochimica 2024年第2期43卷 255-279页

作者： Kojo Amoako Nancy Pearl Osei-Boakye Ningning Zhong N’Guessan Francois De Sales Konan Gordon Foli Prince Opoku Appau clifford Fenyi Ebenezer Apesegah research Group for Marine Geochemistry(ICBM-MPI Bridging Group) Institute for Chemistry and Biology of the Marine Environment(ICBM)Carl von Ossietzky University OldenburgAmmerlander Heerstr.26129 OldenburgGermany State Key Laboratory of Petroleum resources and Prospecting College of GeosciencesChina University of PetroleumBeijing 102249China Department of Geological Engineering Faculty of Civil and Geo-EngineeringKwame Nkrumah University of Science and TechnologyKumasiGhana Ghana National Gas Company 225 Osibisa CloseAirport WestAccraGhana Petroleum Corporation GNPCPMBPetroleum HouseTemaGhana

The Paleocene mudrocks in Ghana’s Tano Basin have received limited attention despite ongoing efforts to explore hydrocarbon resources.A thorough geochemical analysis is imperative to assess these mudrocks’petroleum generation potential and formulate effective exploration *** this study,a comprehensive geochemical analysis was carried out on ten Paleocene rock cuttings extracted from TP-1,a discovery well within the Tano *** analytical techniques,including total organic carbon(TOC)analysis,rock–Eval pyrolysis,gas chromatography-mass spectrometry,and isotope ratio-mass spectrometry,were employed to elucidate their hydrocar-bon potential and organic ***ﬁndings in this study were subsequently compared to existing geochemical data on Paleocene source rocks in the South Atlantic marginal *** results indicated that the Paleocene samples have TOC content ranging from 0.68 to 2.93 wt%.The prevalent kerogen types identiﬁed in these samples were Type Ⅱ and Type Ⅲ.Molecular and isotope data suggest that the organic matter found in the Paleocene mudrocks can be traced back to land plants and lower aquatic *** mudrocks were deposited in a transi-tional environment withﬂuctuating water salinity,charac-terized by sub-oxic redox *** indices,both bulk and molecular,indicated a spectrum of maturity levels within the Paleocene mudrocks,spanning from immature to marginally mature,with increasing maturity observed with greater *** comparison,the organic composition and depositional environments of Paleocene source rocks in the Tano Basin closely resemble those found in the Niger Delta Basin,Douala,and Kribi-Campo Basins,the Kwanza Formation in Angola,and certain Brazilian marginal ***,it is worth noting that Paleocene source rocks in some of the basins,such as the Niger Delta and Brazilian marginal basins,exhibit rela-tively higher thermal maturity levels compared to those observed in the current Paleocene samp

关键词： Paleocene source rocks Source input Depositional environment Thermal maturity Hydrocarbon potential Tano Basin West Africa

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Get Away from Palace

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小学生时代（大嘴英语） 2024年第5期 34-35页

作者： clifford A.Pickover Tim Foley(图) 不详

Poseidon is thelordofthe ***,you are visiting his underwaterpalace looking for ***'sanice place tovisi...if Poseidon isn'tthere.

关键词： Poseidon looking underwater

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谷歌终结“登月工程”

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商业周刊（中文版） 2024年第12期 50-57页

作者： Julia Love Cayce clifford(摄影) 许诺(译) 不详

谷歌母公司Alphabet正在终结其无拘无束搞发明的时代,许多项目被剥离为独立的初创公司前不久的一个下午,在旧金山,希兰(Zealand)套上一副她产品的原始模型,它是一种用于加强人体肌肉骨骼运动能力的机械系统。这个早期版本是一副缀满电... 详细信息

谷歌母公司Alphabet正在终结其无拘无束搞发明的时代,许多项目被剥离为独立的初创公司前不久的一个下午,在旧金山,希兰(Zealand)套上一副她产品的原始模型,它是一种用于加强人体肌肉骨骼运动能力的机械系统。这个早期版本是一副缀满电线、传动部件和传感器的腰带,看上去不是特别时。

关键词：初创公司传动部件机械系统谷歌人体肌肉母公司原始模型旧金山

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Nurses’perceptions about neonatal intensive care units providing family-centered care are associated with skin-to-skin contact implementation

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Pediatric Investigation 2024年第1期8卷 61-65页

作者： Marilyn Aita Gwenaëlle De clifford-Faugère Geneviève Laporte Sébastien Colson Nancy Feeley Faculty of Nursing Universitéde MontréalMontrealCanada CHU Sainte-Justine research Centre MontrealCanada Quebec Network on Nursing Intervention research MontrealCanada Faculty of Medical and Paramedical Sciences CEReSSAix-Marseille UniversitéMarseilleFrance Ingram School of Nursing McGill UniversityMontrealCanada Centre for Nursing research and Lady Davis Institute Jewish General HospitalMontrealCanada

Skin-to-skin contact(SSC)consists of positioning the diaper-clad infant against the parent’s chest and is considered a nursing practice rooted in family-centered care(FCC).1 SSC implies simultaneous parental presence and helps to facilitate their involvement from the earliest hours of their preterm infants’lives as this intervention is delivered by parents.1 FCC has gained worldwide popularity in recent years to promote parental presence and active participation of parents in care during neonatal intensive care units(NICUs)hospitalization.2 Both practices relate to developmental care(DC),which regroups specific interventions aimed at reducing stress and improving infant neurological development.

关键词： centered gained Skin

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Comparing outcomes from the two most recognized acupuncturist workforce surveys

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Journal of Integrative Medicine 2017年第1期15卷 37-43页

作者： Steven H. Stumpf Kory Ward-Cook clifford r. Carr Health Administration Program California State University at NorthridgeNorthridgeCalifornia 91330USA National Certification Commission of Acupuncture and Oriental Medicine JacksonvilleFlorida 32202USA clifford r.Carr 1743 PenmarAvenue#3VeniceCalifornia 90291USA

OBJECTIVE： To determine the informational consistency produced by the two most recent independent surveys and draw a conclusion whether the data would be sufficient for the National Center for Health Workforce Analysis and Bureau of Labor and Statistics consideration. METHODS： This paper compares workforce outcomes collected by the two most prominent acupuncture entities that have produced the most useful acupuncturist workforce data （California Acupuncture Board 2015 Occupational Analysis and the National Certification Commission of Acupuncture and Oriental Medicine^2013 Job Analysis） at national and state levels. rESULTS： Findings based upon the most compatible survey questions showed the following： more than 70% of acupuncturists work fewer than 40 hours weekly; approximately 76% work in solo practice or in shared space with other acupuncturists; more than 70% of the national sample have been in practice 15 years or less; and median income is between $40 000 and $50 000. A preponderance of acupuncturists is less than 50 years of age, and fewer than 15% of all respondents have been in practice more than 20 years. CONCLUSION： Basic workforce information is a necessary precursor for conducting workforce projections. It is useful to track the expansion or contraction of any given profession. Tracking influences subsequent planning for the profession based upon reliable and valid information about its growth. The ability of the profession to collect its own workforce data is paramount to workforce projection models. Any future survey should be a shared project that follows guidelines supported by the National Center for Health Workforce Analysis.

关键词： acupuncture workforce survey outcome assessment (health care) income

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